ftp.xmission.com/2014.06.ftp.xmission.com.tar/ftp.xmission.com/pub/lists/fractint/archive/fractint.199905

Internet Message Format | 1999-05-31 | 378KB

From: "Eric Litwak" <[e-mail]>
Subject: RE: (fractint) Running under windows98
Date: 01 May 1999 02:24:11 -0400


The preliminary data on the K-7 SEEMS to indicate it will run faster than a
P-III. There are still some chipset issues to be worked out (the K-7
requires a new chipset to support it) but if it even comes close to the
expected performance I will go with it.

> I guess when you do not want to make a 60% profit, you can sell your
processors for
> less money!

Amen! Isn't competition a wonderful thing? BTW, I have my K-6 networked
right now and it works fine. It did take a few days for it to become happy
with the network (now I know why, Thanks!) but the bugs are finally gone.


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From: "Adam Leggett" <[e-mail]>
Subject: Re: (fractint) Running under windows98
Date: 01 May 1999 10:29:54 -0500

I still don't get it.  Do you mean that AMD has a 3DNow optimized, software
rendering Direct3D driver, or what?  3DNow doesn't actually give you
hardware 3D acceleration; in fact the only point on the rendering pipeline
(whether OpenGL or D3D) that it really helps with is transforms (which most
of the consumer 3D accelerators up until now don't handle).  I believe the
M$ OpenGL DDK has 3DNow acceleration for transforms, which helps speed
things up a bit whether you have hardware acceleration or not, but the
software GL driver still returns a nonaccelerated pixel format through WGL.
If Direct3D always says you have acceleration if you have 3DNow, that's a
bug..

If Motocross Madness will not run unless D3D returns an accelerated mode,
that's also a bug

Adam

> It enables the system to use software that actively seeks a 3D accelerator
> (ie:MS Motocross Madness), without an added card.  Graphics and other FPU
> functions are greatly enhanced.
>
> -Jack
>
>  > 3D-Now! makes the system think that it has a 3D accelerator card
> (Voodoo2,
>  > etc), when in fact it does not.  Therefore, the system will run
software
>  > that REQUIRES an accelerator card. Basically, AMD finally did something
>  > right.  Yes, the 350MHz processor would be the slowest that I would go
> with
>  > on K6-2s, though.  My advice, wait for the K6-3s to become available.
>
> Sorry, I have no idea what you mean by making the system think it has an
> accelerator card, care to elaborate?
>
> Thanks
>


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From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) Running under windows98
Date: 01 May 1999 10:43:30 -0600

The AMD/ 3D now thread seems to have drifted away from the list
topic (fractals/fractint).

Tim


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From: [e-mail]
Subject: (fractint) Fractint Formula Question
Date: 01 May 1999 14:55:30 EDT

My math is mediocre and I'm hoping the more accomplished of you out there can
answer what is probably a simple question.

How would you express the equation for the Julia type fractals in terms of a
Fractint formula FRM file?

Thanks!
Bill

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From: [e-mail]
Subject: Re: (fractint) Fractint Formula Question
Date: 01 May 1999 16:15:57 EDT

Hi Bill,

> How would you express the equation for the Julia type fractals in terms of
a
>  Fractint formula FRM file?

Here's the formula for the Mandelbrot equation Julia sets.

Julia {
    c = p1  ; the Julia set coordinates
    b = 4    ; bailout value
    z = pixel
    :
    z = z * z + c
    |z| < b
}

Paul Carlson

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From: Tom Conally <[e-mail]>
Subject: (fractint) new page
Date: 01 May 1999 22:50:50 -0400

Hi Folks
I am rather redfaced. I have been trying to post to the list for two days
and non of my posts have come up. I was getting other posts so I did a "who
fractint" command and immediately got a "This is a private list, you are
not a subscriber". I see said the blind man. I had changed my reply address
to a net forwarder as I anticipate changing my ISP sometime soon. I guess
the joke's on me.
Well, I have put up a new page that shows an original fractal and the
result of my post processing. I thought it would be interesting to show
both versions. Take a look and let me know what you think.
http://members.tripod.com/afractal/beforeafter.html

Tom Conally
In every boomerang there is a perfect throw.
Your life, Grasshopper, is to practice  till you find that throw
and become one with that boomerang!
__________________________________________
Boomerangs        http://www.angelfire.com/nc/conally
Paradise             http://www.netpath.net/~conally/
Fractal Images   http://members.tripod.com/afractal
Teddybear's picnic http://members.tripod.com/afractal/picnic/teddybear.html


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From: Paul DeCelle <[e-mail]>
Subject: Re: (fractint) new page
Date: 01 May 1999 23:28:21 -0400

Looks good, Tom--

PSP is my post-processor of choice, too.  I mainly use it for
anti-aliasing and special effects like drop shadows, but the hot wax
filter is pretty cool, too.

Regards, Paul

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From: [e-mail]
Subject: Re: (fractint) Fractint Formula Question
Date: 02 May 1999 08:46:59 EDT

In a message dated 5/1/99 4:21:21 PM Eastern Daylight Time, [e-mail]
writes:

<< Here's the formula for the Mandelbrot equation Julia sets.

 Julia {
     c = p1  ; the Julia set coordinates
     b = 4    ; bailout value
     z = pixel
     :
     z = z * z + c
     |z| < b
 }

 Paul Carlson
  >>
Thanks Paul!  It was the c=p1 part that I wasn't understanding properly.  It
makes sense to me now.

Bill

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From: Barry Spreen <[e-mail]>
Subject: RE: (fractint) Running under windows98
Date: 02 May 1999 10:01:27 -0500

At 08:30 AM 4/30/99 -0400, Eric Litwak wrote:
>I have to respectfully disagree with Adam. I have a clone I built myself;
>AMD K-6 233, 64Mb, Creative Voodoo Banshee, and other than an occasional
>lockup (caused by a cheesy motherboard) fractint and other programs run
>great.
>
>Right click on the shortcut and go to properties. Under the memory tab set
>initial environment to 512. This should clear up your errors. All other
>settings are auto. If that doesn't work, try 1024.

Eric,

I have tried both 512 and 1024 on Initial Environment, and the problem
persists. The screen goes blank for a second - A message is displayed,
upper left, but too fast to read - then the desktop reappears.



Best,
Barry
mailto:[e-mail]

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From: "Phil DiGiorgi" <[e-mail]>
Subject: Re: (fractint) Running under windows98
Date: 02 May 1999 17:57:16 -0400

> I have tried both 512 and 1024 on Initial Environment, and the problem
> persists. The screen goes blank for a second - A message is displayed,
> upper left, but too fast to read - then the desktop reappears.
>

Hi Barry,

Did you try starting a full-screen DOS session under windows first, then
running fractint from there?   What happens then?   Also, look in your
'sstools.ini' and see what the "video=" line is set to.   Try commenting it
out (put a ; in front of it) or set it to a lo-res mode like "video=F3" and
see what happens.

As to running Fractint in real-mode DOS (no windows running), check that you
are not loading the real-mode compression drivers 'drvspace.bin' or
'dblspace.bin'.   These are hidden files that are sometimes placed in your
root directory and are loaded before windows boots, then unloaded and replaced
by the windows 32-bit drivers if needed.   If either of these files is in your
'C:\' directory, move them somewhere else, then boot up into dos and see if
fractint will run.

Hope this helps,

Phil D.


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From: "Randall Britten" <[e-mail]>
Subject: (fractint) XFractint on Solaris 2.6.1
Date: 03 May 1999 09:13:36 +0200

Has anyone got xfractint running on Solaris 2.6.1 (SunOS 5.6)?

The instructions in the make file don't work

The furtherest I have got is that everything compiles, but during linking
(with gcc) I get:

Undefined                       first referenced
 symbol                             in file
_fmemmove                           bigflt.o
_fmemset                            bigflt.o
_fmemcpy                            bigflt.o

-------------------------
Randall Britten




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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) XFractint on Solaris 2.6.1
Date: 03 May 1999 01:26:38 -0600


In article <000301be9534$76e41650$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Has anyone got xfractint running on Solaris 2.6.1 (SunOS 5.6)?

I've not had any problems on Solaris; I think you just need the right
defines.  I compile with XFRACT, NOBSTRING and BIG_ANSI_C all defined
and then it works OK.  If that doesn't fix it for you, mail me your
makefile and I'll see if I can spot the problem.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) XFractint on Solaris 2.6.1
Date: 03 May 1999 11:08:11 +0200

Thanks, that solved it.  I was missing BIG_ANSI_C.



-----Original Message-----
[mailto:[e-mail]] On Behalf Of Phil McRevis
Sent:    Monday 03 May 1999 09:27


In article <000301be9534$76e41650$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Has anyone got xfractint running on Solaris 2.6.1 (SunOS 5.6)?

I've not had any problems on Solaris; I think you just need the right
defines.  I compile with XFRACT, NOBSTRING and BIG_ANSI_C all defined
and then it works OK.  If that doesn't fix it for you, mail me your
makefile and I'll see if I can spot the problem.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: "Randall Britten" <[e-mail]>
Subject: (fractint) Orbits configuration
Date: 04 May 1999 09:55:03 +0200

Is there a way to configure how many points of an orbit are shown (i.e. in
orbits mode (pressing o) if I only wanted to see the first three points of
the orbit, how could this be done) ?

Secondly, is there a way to see the scale of the orbits screen (i.e. xy
coordinates of corners) ?

Thirdly, during picture generation (if one presses o), the orbits are on the
actual fractal, but is there a way to have the orbits on the actual fractal
in ordinary orbits mode?

Thanks in advance.

-------------------------
Randall Britten




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From: "Randall Britten" <[e-mail]>
Subject: (fractint) JuliaSaver
Date: 04 May 1999 16:15:17 +0200

Here is a really cool screen saver, analogous to the space bar feature of
Fractint where one scrolls through various julia's corresponding to points
in Mandelbrot.

http://www.fractalus.com/juliasaver/

Tips: Animation: "Cardioid II"
Color: neon.map (from the fractint distribution).

-------------------------
Randall Britten




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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Orbits configuration
Date: 04 May 1999 11:35:40 -0600


In article <002401be9603$6bfd6730$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Is there a way to configure how many points of an orbit are shown (i.e. in
> orbits mode (pressing o) if I only wanted to see the first three points of
> the orbit, how could this be done) ?

Have you tried setting maximum number of iterations to three?  Then
the "orbit" will consist of at most three points.

> Secondly, is there a way to see the scale of the orbits screen (i.e. xy
> coordinates of corners) ?

The help file says:

    <<> or <,>  Zoom orbits image smaller
    <>> or <.>  Zoom orbits image larger
    <z>         Restore default zoom.

Did you try these?

> Thirdly, during picture generation (if one presses o), the orbits are on the
> actual fractal, but is there a way to have the orbits on the actual fractal
> in ordinary orbits mode?

I'm not sure what you're asking here...
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: Lee Skinner <[e-mail]>
Subject: (fractint) Two Pars
Date: 04 May 1999 23:20:49 -0400

Here are a couple of pretty pars:

frm: rsp_a304 { ; 3/99     R Parracho
  c=3Dz=3Dpixel:
  oz=3Dz, z=3Dz*z+c,test=3D|z|/|oz|
  |test|<1 || |test|>2
}

6a304003           { ;                                       t=3D  0:05:5=
4.17
                     ; on a P233 at 1600x1200  May 04, 1999  12:22:46
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 71
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Drsp_a304 passes=3D1
  center-mag=3D-0.330647/0.653639/16.56586/1/-29.999 float=3Dy
  maxiter=3D1024 inside=3D0 outside=3Datan periodicity=3D0
  colors=3D0008MS<3>88E85B717<3>Z54e63l72s81zA0<11>R50O40L40<3>920<8>UXAW=
`BZ\
  cD<3>hrI<3>UnXRm_NlcJkgFfpAaz<2>`Lz<6>nfUpiPrmL<2>xv6zz1zzC<2>zzz<3>jqd=
f\
  o_blU<3>Mb8<3>LQ8KM8KJ8<2>I88H44G00<3>TA5WD6ZF7aI8eLAhMBiODjQF<3>qeBriA=
t\
  m9vq8xu7zz5zz4zz3<8>zY4zV5zS5<3>zE6<13>J52G42D32<3>000000<2>903C04D05<3=
2\
  >r2qs2rt2t<3>z3z<3>X7`Q8UI9NAAG<2>0Qc<3>5Xc6Zc7`c8bcAdc<2>LhfOigQih<11>=
m\
  ttouuqvv<3>zzz<3>rwzovzhsw<4>8_d<2>8QV sound=3Dbeep/pc
  }

6a304005           { ;                                       t=3D  0:04:0=
8.85
                     ; on a P233 at 1600x1200  May 04, 1999  12:22:46
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 71
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Drsp_a304 passes=3D1
  center-mag=3D-0.38969609952775690/+0.64719029552820840/192.6263/1/-30
  float=3Dy maxiter=3D1024 inside=3D0 outside=3Datan periodicity=3D0
  colors=3D000uxxwyyzzz<3>rwzovzhsw<3>Gch8_d8Xa<3>8JP8FL8CI<2>717<3>Z54e6=
3l7\
  2s81zA0<11>R50O40L40<3>920<8>UXAW`BZcD<3>hrI<3>UnXRm_NlcJkgFfpAaz<2>`Lz=
<\
  6>nfUpiPrmL<2>xv6zz1zzC<2>zzz<3>jqdfo_blU<3>Mb8<3>LQ8KM8KJ8<2>I88H44G00=
<\
  3>TA5WD6ZF7aI8eLAhMBiODjQF<3>qeBriAtm9vq8xu7zz5zz4zz3<8>zY4zV5zS5<3>zE6=
<\
  13>J52G42D32<3>000000<2>903C04D05<32>r2qs2rt2t<3>z3z<3>X7`Q8UI9NAAG<2>0=
Q\
  c<3>5Xc6Zc7`c8bcAdc<2>LhfOigQih<14>sww sound=3Dbeep/pc
  }

Lee

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From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) Orbits configuration
Date: 05 May 1999 10:26:50 +0200



> > Is there a way to configure how many points of an orbit are  shown (i.e.
in
> > orbits mode (pressing o) if I only wanted to see the first three points
of
> > the orbit, how could this be done) ?
>
> Have you tried setting maximum number of iterations to three?  Then
> the "orbit" will consist of at most three points.

Thanks for this tip, it helps control the orbits, but now the source fractal
has low resolution.  What is needed is the facility to specify lower
iterations for the orbits than for the source fractal.

> > Secondly, is there a way to see the scale of the orbits  screen (i.e. xy
> > coordinates of corners) ?
>
> The help file says:
>
>     <<> or <,>  Zoom orbits image smaller
>     <>> or <.>  Zoom orbits image larger
>     <z>         Restore default zoom.
>
> Did you try these?

Yes, I know about those, but I want to have more exact information on the
scale of the orbits window as in the exact xy coordinates of the corners.

> > Thirdly, during picture generation (if one presses o), the  orbits are
on the
> > actual fractal, but is there a way to have the orbits on  the actual
fractal
> > in ordinary orbits mode?
>
> I'm not sure what you're asking here...

It relates to question 2.  Especially in the Julia set, which is in the
"dynamic plane" it would be nice to be able to follow the orbits relative to
the actual julia set.  But since orbits and the actual fractal are in
separate windows, it is hard track where the one is relative to the other.
During picture generation, orbits appear in the same window as the fractal,
and it would be nice to be able to do this with manual orbits explore mode.
I tried using view windows and setting the view window of the main fractal
to the size of the whole screen, hoping that the orbits window would
overlap, but it is too clever, and the orbits window became small again.



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From: "Ricardo M. Forno" <[e-mail]>
Subject: RE: (fractint) Two Pars
Date: 05 May 1999 10:28:15 -0300

I see you use reset=1961 in your pars. Is there a fractint version after
19.6? Where can I get it?

----------
De: Lee Skinner <[e-mail]>
A: [e-mail]
Asunto: (fractint) Two Pars
Fecha: MiΘrcoles 5 de Mayo de 1999 12:20 AM

Here are a couple of pretty pars:

frm: rsp_a304 { ; 3/99     R Parracho
  c=z=pixel:
  oz=z, z=z*z+c,test=|z|/|oz|
  |test|<1 || |test|>2
}

6a304003           { ;                                       t=  0:05:54.17
                     ; on a P233 at 1600x1200  May 04, 1999  12:22:46
                     ; Image Copyright 1999 by Lee H. Skinner ver=1961
                     ;  Version 1961 Patchlevel 71
  reset=1961 type=formula formulafile=fractint.frm
  formulaname=rsp_a304 passes=1
  center-mag=-0.330647/0.653639/16.56586/1/-29.999 float=y
  maxiter=1024 inside=0 outside=atan periodicity=0
  colors=0008MS<3>88E85B717<3>Z54e63l72s81zA0<11>R50O40L40<3>920<8>UXAW`BZ\
  cD<3>hrI<3>UnXRm_NlcJkgFfpAaz<2>`Lz<6>nfUpiPrmL<2>xv6zz1zzC<2>zzz<3>jqdf\
  o_blU<3>Mb8<3>LQ8KM8KJ8<2>I88H44G00<3>TA5WD6ZF7aI8eLAhMBiODjQF<3>qeBriAt\
  m9vq8xu7zz5zz4zz3<8>zY4zV5zS5<3>zE6<13>J52G42D32<3>000000<2>903C04D05<32\
  >r2qs2rt2t<3>z3z<3>X7`Q8UI9NAAG<2>0Qc<3>5Xc6Zc7`c8bcAdc<2>LhfOigQih<11>m\
  ttouuqvv<3>zzz<3>rwzovzhsw<4>8_d<2>8QV sound=beep/pc
  }

6a304005           { ;                                       t=  0:04:08.85
                     ; on a P233 at 1600x1200  May 04, 1999  12:22:46
                     ; Image Copyright 1999 by Lee H. Skinner ver=1961
                     ;  Version 1961 Patchlevel 71
  reset=1961 type=formula formulafile=fractint.frm
  formulaname=rsp_a304 passes=1
  center-mag=-0.38969609952775690/+0.64719029552820840/192.6263/1/-30
  float=y maxiter=1024 inside=0 outside=atan periodicity=0
  colors=000uxxwyyzzz<3>rwzovzhsw<3>Gch8_d8Xa<3>8JP8FL8CI<2>717<3>Z54e63l7\
  2s81zA0<11>R50O40L40<3>920<8>UXAW`BZcD<3>hrI<3>UnXRm_NlcJkgFfpAaz<2>`Lz<\
  6>nfUpiPrmL<2>xv6zz1zzC<2>zzz<3>jqdfo_blU<3>Mb8<3>LQ8KM8KJ8<2>I88H44G00<\
  3>TA5WD6ZF7aI8eLAhMBiODjQF<3>qeBriAtm9vq8xu7zz5zz4zz3<8>zY4zV5zS5<3>zE6<\
  13>J52G42D32<3>000000<2>903C04D05<32>r2qs2rt2t<3>z3z<3>X7`Q8UI9NAAG<2>0Q\
  c<3>5Xc6Zc7`c8bcAdc<2>LhfOigQih<14>sww sound=beep/pc
  }

Lee

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----------


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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: (fractint) Purely mathematical
Date: 05 May 1999 15:14:40 GMT

I have a question: For those of you who can't remember, the formulas
for the "Barnsley Julia" fractals are:

BJ1: If real(Z) >= 0
  Then Z=(Z-1)*C
  Else Z=Z(Z+1)*C

BJ2: If real(Z)*imag(C) + real(C)*imag(Z) >= 0
  Then Z=(Z-1)*C
  Else Z=(Z+1)*C

BJ3: Re(Z) >= 0
  Then Z=(real(Z)^2 - imag(Z)^2 - 1) + (2*real(Z)*imag(Z))i
  Else Z=(real(Z)^2 - imag(Z)^2 - 1 + real(C)*real(Z)) +
(2*real(Z)*imag(Z) + imag(C)*real(Z)))i.

My question is this: Where on earth did M. Barnsley *get* these from?

Julia #3 is the only one which looks remotely recognisible (and
indeed its graphical form is more "Juliaish"). That first term looks
a bit like real(Z)^2 - imag(Z)^2, which is the result of real(Z^2).
But the rest? What is the mathematical reasons behind it? I know a
lot of people out there simply type formulas into FractInt and get
pretty pictures, but I can't imagine someone like Barnsley inventing
them out of thin air. What's the background? And how do you work out
the derrivatives of functions like that?!?!

P. S. I too would like to know out to super-impose orbits over the
fractal and not a seperate window. FractInt does it while rendering,
but not it seems once it's finnished...

P. P. S. I'm talking to you Tim: So you can't generalise Complex
Numbers into a 4D field... But *can* you generalise them into a 3D
set without loosing any field properties? Just how complicated is the
proof of there being no 4D fields (i.e. would someone like me
understand it)?

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Two Pars
Date: 05 May 1999 22:35:25 -0400

Ricardo,

>> I see you use reset=3D1961 in your pars. Is there a fractint version a=
fter
19.6? Where can I get it? <<

That is because I am using the developer's version of Fractint, which doe=
s
contain a few new features, but also has not been certified bug-free.

I think that the developers are getting ready to release a new version, o=
r
a beta version, soon.  Keep watching this list.

Lee

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-------------------------------------------------------------------------------

From: "Adam Leggett" <[e-mail]>
Subject: Re: (fractint) Two Pars
Date: 05 May 1999 22:43:59 -0500

Who are these "developers", and why the closed model?

----- Original Message -----
Sent: Wednesday, May 05, 1999 9:35 PM


Ricardo,

>> I see you use reset=1961 in your pars. Is there a fractint version after
19.6? Where can I get it? <<

That is because I am using the developer's version of Fractint, which does
contain a few new features, but also has not been certified bug-free.

I think that the developers are getting ready to release a new version, or
a beta version, soon.  Keep watching this list.

Lee



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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: RE: (fractint) Two Pars
Date: 05 May 1999 22:50:45 -0600

Ricardo asked:

> I see you use reset=1961 in your pars. Is there a fractint version after
> 19.6? Where can I get it?

This is the developer's version. We are planning to release a public
beta soon.

Tim


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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Two more pars
Date: 06 May 1999 00:19:18 -0400

Here are two more pars:

6ms07598           { ;                                       t=3D  0:01:1=
1.40
                     ; on a P233 at 1600x1200  May 05, 1999  22:16:28
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 71
  reset=3D1960 type=3Dmandel passes=3D1
  center-mag=3D-1.76884039665347800/+0.00228582777189063/5.98252e+007/1/-=
50
  params=3D0/0 float=3Dy maxiter=3D4096 inside=3D0 outside=3Dsumm rseed=3D=
-2436
  colors=3D000txzrwzovz<3>NglGch8_d<3>8MS8JP8FL<3>717<3>Z54e63l72s81zA0<1=
1>R\
  50O40L40<3>920<8>UXAW`BZcD<3>hrI<3>UnXRm_NlcJkgFfpAaz<2>`Lz<6>nfUpiPrmL=
<\
  2>xv6zz1zzC<2>zzz<3>jqdfo_blU<3>Mb8<3>LQ8KM8KJ8<2>I88H44G00<3>TA5WD6ZF7=
a\
  I8eLAhMBiODjQF<3>qeBriAtm9vq8xu7zz5zz4zz3<8>zY4zV5zS5<3>zE6<13>J52G42D3=
2\
  <3>000000<2>903C04D05<21>d1`e1bf1c<3>k2i<4>R2UM1QI1N<3>009<3>0AL0DO0FR<=
2\
  >0N_0Qc1Rc<3>6Zc7`c8bcAdc<2>LhfOigQih<11>mttouuqvv<3>zzzxzzvyz
  sound=3Dbeep/pc
  }

6ms07609           { ;                                       t=3D  0:01:3=
0.52
                     ; on a P233 at 1600x1200  May 05, 1999  22:16:28
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 71
  reset=3D1960 type=3Dmandel passes=3D1
  center-mag=3D-0.16076045523795930/+1.03690858518634000/6.090172e+007/1/=
-72\
  .5 params=3D0/0 float=3Dy maxiter=3D4096 inside=3D0 outside=3Dsumm rsee=
d=3D-2436
  colors=3D000yM5<3>zE6<2>lNCgQFeNDbJA<6>QD6OC6MB5<3>F73000000<7>O09R0AU0=
B<2\
  >b0Ee0Ff5I<4>oVZq_asee<3>zzs<3>pjWnfPkbJiZDfV7cQ0<3>SI0<3>RC0QA0Q80P60<=
2\
  >G00<3>4KW0Qc1Rc<3>6Zc7`c8bcAdc<7>bokepliqm<2>tupxwrzyt<3>zsZzqUzpOznJy=
l\
  Dxj2wiK<3>vc4ua0ub3<3>vhJviNvjPwkR<3>xqexriytmyuqzwu<7>yXayUZxQX<3>wCM<=
3\
  >bADYABS99N97H84<6>WG8YH8_I9<3>hMB<8>SE7QD6OC6<3>H84FB3PG3<3>iY2oa1tf1z=
k\
  0<3>0kk<2>WgD<3>CXF<5>IUDJTDKSDLSDMRCOQBORAOPA<3>OE6NB5PC6RD6zF7WG7<3>c=
K\
  9eLAhMB<3>lUInVJpXH<2>vdByg8yh5yi3<10>yO5 sound=3Dbeep/pc
  }

Lee Skinner

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Purely mathematical
Date: 06 May 1999 17:17:00 +1200

At 15:14 05/05/99 GMT, Andrew Coppin wrote:
>
>P. P. S. I'm talking to you Tim: So you can't generalise Complex
>Numbers into a 4D field... But *can* you generalise them into a 3D
>set without loosing any field properties? Just how complicated is the
>proof of there being no 4D fields (i.e. would someone like me
>understand it)?
>
No. Whether an explanation would satisfy you depends on what you already
know (any group theory? Since you seem to know what a field is, I assume
you know what groups/rings/fields are, in which case skip to the *-*-*-*;
or even the **-**-**, but for the benefit of people who aren't familiar
with either - and then only if they're interested enough ...)

<Engaging maths-style>

So first off I'll sketch out what a group is. A group is a set of things
and an operation that combines pairs of things to produce a thing that is
also in the set

The defining properties of a group are as follows. Assuming that we use '+'
to denote the operation (note that '+' doesn't necessarily mean addition as
we know it, just something that is compatible with these rules):
1) For all a, b, c in the group, (a+b)+c = a+(b+c)  (associativity)
2) There is an element e in the group such that a+e=e+a=a for all a.
(identity)
    (It can be proved that there can be only one such identity).
3) For all a in the group, there is an element b in the group such that
a+b=b+a=e (inverse).

Quick example: addition mod 4

+ | 0 1 2 3   0 is the identity
--+--------   1 is the inverse of 3
0 | 0 1 2 3
1 | 1 2 3 0
2 | 2 3 0 1
3 | 3 0 1 2

An extra property may be included, stating that the operation commutes:

4) For all a, b in the group, a+b=b+a.

A group with this property (the example just given is one such) is known as
an "Abelian group".


Now, a ring. A ring is an enhancement of an Abelian group. As well as
having all the structure of an Abelian group, rings have a second operation
'*' and further rules:

5) For all a, b, c, a*(b*c)=(a*b)*c (so both operations are associative)
6) For all a, b, c, a*(b+c)=a*b+a*c and (b+c)*a=b*a+c*a (distributivity)

Again, commutivity is optional:

7) For all a, b in the ring, a*b=b*a.

A ring with this property is called a "commutative ring". An example would
be the ordinary integers with the operations of addition and multiplication.

Important thing to note about rings: There is no guarantee that every
element of the ring has an inverse under '*', nor is there any guarantee
that there is an element '1' such that 1*a=a*1=a.

To point to the previous example, integers don't come with integer inverses
(except 1 itself). To illustrate the second non-guarantee, consider the set
of _even_ integers with familiar addition and multiplication. The resulting
structure satisfies all seven rules, but there is no number n such that n
times m equals m for all m.


Now we can get on to a field.
A field is a ring. It is a commutative ring. It is a ring in which the two
properties noted just now _do_ hold. Every nonzero element has an inverse
under '*', and '*'ing an element by its inverse gives the same unique
element (known as 'unity' and conventionally written '1'.)

Nonzero? Ah, remember that the '+' operation that makes our structure a
group has an identity element. At the time I've written it 'e'. Now I'm
changing my notation and writing it '0' and calling it zero. A nonzero
element is any element other than 0. This, incidentally, is the rule broken
by "hypercomplex" numbers.

The rational numbers form a field. So do the reals. And the complex numbers.

*-*-*-*

Complex arithmetic has a group structure.
Consider that a complex number is one of the form a+ib, where i has the
property that ii=-1. For convenience one can draw up a little
multiplication table:

 + |  1 -1  i -i (I'm using '+' because this is a group)
---+------------
 1 |  1 -1  i -i This group is named "Z2+Z2"; it is equivalent to the group
-1 | -1  1 -i  i formed by adding _pairs_ of integers mod 2.
 i |  i -i -1  1
-i | -i  i  1 -1

Quaternion arithmetic has a group structure as well.
Consider that a quaternion number is one of the form a+ib+jc+kd, where i,
j, k has the property that ii=jj=kk=ijk=-1. One can again draw up a
multiplication table, but it would not necessarily be very illuminating.
You can do it if you want: It has eight elements 1, -1, i, -i, j, -j, k,
and -k. Just remember things like the fact that ij=-ji (multiplication is
not commutative - violating property (7) above and disqualifying Quaternion
arithmetic as a field).

The group generated by quaternion arithmetic has a name as well: Q4.

**-**-**

At this point I'm going to wave my hands and gloss over some of the most
powerful and deep theorems of group theory. But although _understanding_
them requires a textbook's worth of groundwork, for our purposes enough of
their results can be obtained by straightforward brute force: Build up
every possible multiplication table of sizes 1x1, 2x2, 3x3, 4x4, ...;
making sure that each one satisfies properties (1)-(3) of a group, and is
distinct and not simply a relabelling of elements or a reshuffling of rows
and colums of another.

I'm just going to give the result: how many groups there are of various
sizes (I'll even name them).

1-element groups: One. Z1
2-element groups: One. Z2
3-element groups: One. Z3
4-element groups: Two. Z4, Z2+Z2
5-element groups: One. Z5
6-element groups: Two. Z6, D3
7-element groups: One. Z7
8-element groups: Five. Z8, Z4+Z2, Z2+Z2+Z2, D4, Q4

Zn represents "addition mod n", Zn+Zm means adding pairs of integers mod
<n,m> (<a,b>+<c,d>=<a+c mod n,b+d mod m>). D3 and D4 are the symmetries of
an equilateral triangle and a square, respectively (the elements of the
group being rotations and reflections, and the operation a+b meaning "do a
then do b" - the identity element is of course "do nothing"). Q4 is
quaternion arithmetic.

To generalise complex numbers into higher dimensions, what you need is an
arithmetic structure that contains the structure of complex arithmetic. Of
all the groups just listed, the _only_ groups that contain such a structure
are the complex numbers themselves, and quaternions.

In particular, for a 3D generalisation, the group would need six elements
(1, -1, i, -i, j, -j). There are only two six-element groups: addition mod
6 (which obviously is inadequate), and the symmetries of an equilateral
triangle - which can also be shown to be unable to support complex arithmetic.

Morgan L. Owens



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-------------------------------------------------------------------------------

From: Sylvie Gallet <[e-mail]>
Subject: (fractint) Two more pars
Date: 06 May 1999 04:31:52 -0400

Hi Lee,

>> Here are a couple of pretty pars:
>>
>> Here are two more pars:

  Very nice images!

  Cheers,

        - Sylvie

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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: Re: (fractint) Purely mathematical
Date: 06 May 1999 09:44:13 GMT

Morgan L. Owens wrote:
> I'm just going to give the result: how many groups there are of various
> sizes (I'll even name them).
>
> 1-element groups: One. Z1
> 2-element groups: One. Z2
> 3-element groups: One. Z3
> 4-element groups: Two. Z4, Z2+Z2
> 5-element groups: One. Z5
> 6-element groups: Two. Z6, D3
> 7-element groups: One. Z7
> 8-element groups: Five. Z8, Z4+Z2, Z2+Z2+Z2, D4, Q4
>
> Zn represents "addition mod n", Zn+Zm means adding pairs of integers mod
> <n,m> (<a,b>+<c,d>=<a+c mod n,b+d mod m>). D3 and D4 are the symmetries of
> an equilateral triangle and a square, respectively (the elements of the
> group being rotations and reflections, and the operation a+b meaning "do a
> then do b" - the identity element is of course "do nothing"). Q4 is
> quaternion arithmetic.

So which one is hypercomplex arithmatic?

> To generalise complex numbers into higher dimensions, what you need is an
> arithmetic structure that contains the structure of complex arithmetic. Of
> all the groups just listed, the _only_ groups that contain such a structure
> are the complex numbers themselves, and quaternions.
>
> In particular, for a 3D generalisation, the group would need six elements
> (1, -1, i, -i, j, -j). There are only two six-element groups: addition mod
> 6 (which obviously is inadequate), and the symmetries of an equilateral
> triangle - which can also be shown to be unable to support complex arithmetic.

Absolutly fasinating! By the way, I have a list of field/ring/etc
properties on my web pages; I don't suppose you'd like to verify that
I've got them right? You can find this at

  http://www.mk.dmu.ac.uk/~khcm8ac/Full/Math/Field.html

Do you know of any web sites where I can find out more on this sort
of thing? (and Math in general? I've yet to find a good math site!)

P. S. Does anyone know what's being throwen into the stone soup in
this "developer" version of FractInt?

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Purely mathematical
Date: 07 May 1999 00:10:54 +1200

At 09:44 06/05/99 GMT, Andrew Coppin wrote:
>Morgan L. Owens wrote:
>
>So which one is hypercomplex arithmatic?
>
>> To generalise complex numbers into higher dimensions, what you need is an
>> arithmetic structure that contains the structure of complex arithmetic. Of
>> all the groups just listed, the _only_ groups that contain such a structure
>> are the complex numbers themselves, and quaternions.
>>
>
I err in this paragraph, as I should have known from the existence of
hypercomplex numbers. There is another group with enough structure to
support complex arithmetic, and I did list it.

Hypercomplex arithmetic has the same structure as the group Z4+Z2. The
relationship between the components of a hypercomplex number and pairs of
integers mod <4,2> is as follows:

 1 = <0,0>   ij=ji=k        <0,1><1,1>=<1,1><0,1>=<1,2>
-1 = <0,2>   jk=kj=-i       <1,1><1,2>=<1,2><1,1>=<0,3>
 i = <0,1>   ik=ki=-j       <0,1><1,2>=<1,2><0,1>=<1,3>
-i = <0,3>   ii=jj=-kk=-1   <0,1><0,1>=<1,1><1,1>=<1,0><1,2>=<0,2>
 j = <1,1>   ijk=1          <0,1><1,1><1,2>=<0,0>
-j = <1,3>
 k = <1,2>
-k = <1,0>

>
>Absolutly fasinating! By the way, I have a list of field/ring/etc
>properties on my web pages; I don't suppose you'd like to verify that
>I've got them right? You can find this at
>
>  http://www.mk.dmu.ac.uk/~khcm8ac/Full/Math/Field.html
>
More clearly stated than I managed...

>Do you know of any web sites where I can find out more on this sort
>of thing? (and Math in general? I've yet to find a good math site!)
>
A few maths links I keep (I used to have more but something ate my
bookmarks, and I'm still reassembling the list):

http://www.math.niu.edu/~rusin/papers/known-math/index/
http://www.csc.fi/math_topics/
http://www.ics.uci.edu/~eppstein/junkyard/
http://euclid.math.fsu.edu/Science/math.html
http://wwwmaths.anu.edu.au/services/mathsweb.html
http://www.siam.org/world/
http://www.mathsoft.com/asolve/constant/constant.html
http://gams.nist.gov/
http://www.research.att.com/%7Enjas/sequences/eisonline.html

Most of these links supply plenty of further links for exploration.

Morgan L. Owens



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: RE: Re: (fractint) Two Pars
Date: 06 May 1999 23:58 0000


>Who are these "developers", and why the closed model?

Pleased to meet you Adam! I'm Robin and I tend to concentrate on
interface
gizmos for FractInt, for the others, check out the credits screen :-)

It's not that closed a model, the source code for the current version is
allways freely available and once anyone has contacted Tim or
contributed a patch they can get hold of the current developers source.
What we don't do currently is widely distribute loads of intermediate
version
executables as that would be a support nightmare!
It has been rather a long time since the last official version though, sorry
folks but fear not, release of a beta is close at hand.....


Cheers,
         Robin.






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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: (fractint) Purely Mathematical
Date: 07 May 1999 10:16:41 GMT

I have seen the error of my ways; my web pages have been altered
accordinly! I've also added a little table at the bottom sor quick
reference. Check it out! Alternativly, start at the root of my pages:

  http://www.mk.dmu.ac.uk/~khcm8ac/

I've got pages on Complex arithmatic, but that's about all at the
moment. More is on the way though! And thank you very much for the
links!!!

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: lori rosenthal <[e-mail]>
Subject: (fractint) fractal art short course
Date: 07 May 1999 09:39:12 -0500

I downloaded Fracint a month ago and joined the discussion list.  I've been
following conversations as much as my busy schedule allows.  Too bad I didn't save
all the email because I remember discussion relevant to what I'm trying to do now.

I'd like to offer a couple of workshops on fractal art at my home institution,
ACC.  I need to compile a list of resources (on and off the web) for primarily
graphic and commercial art students.  Would you folks mind giving me a hand by
sending me your favorite URLs, books, and other publications.  I'll be happy to
acknowledge each contributor along with this discussion group.

Also, we will be downloading Fractint onto Win98 workstations.  I use DOS, 95, NT,
and Linux myself and confess that I blew off most of that discussion.  Never say
never.  Could someone remind me of the important aspects of installing on 98?
They frown at me when I say DOS in the photo lab, but if it works, I think I can
persuade them to go that way.

Many thanks,
Lori Rosenthal
Math Department
Austin Community College




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-------------------------------------------------------------------------------

From: "Adam Leggett" <[e-mail]>
Subject: Re: Re: (fractint) Two Pars
Date: 07 May 1999 11:52:39 -0500



>
> >Who are these "developers", and why the closed model?
>
> Pleased to meet you Adam! I'm Robin and I tend to concentrate on
> interface
> gizmos for FractInt, for the others, check out the credits screen :-)
>
> It's not that closed a model, the source code for the current version is
> allways freely available and once anyone has contacted Tim or
> contributed a patch they can get hold of the current developers source.
> What we don't do currently is widely distribute loads of intermediate
> version
> executables as that would be a support nightmare!
> It has been rather a long time since the last official version though,
sorry
> folks but fear not, release of a beta is close at hand.....

Why not have a publically accessible CVS server like everyone else?  Even
some commercial developers do that.

Adam



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From: "Bresslau" <[e-mail]>
Subject: (fractint) =?iso-8859-1?Q?Why_don=B4t_my_programs_run_peacefuly_together=3F=3F?=
Date: 09 Jan 1999 21:10:00 -0200

First I tried partobat,  and it cries to me: runtime error 200 at 0488:00=
91
Then, I got the contest kit and tried to run the update option 4, so I
should get 1024x768 images. It wont run with an option (4,5,6...), only
alone, as if it would generate thumbnails. I tried changing the shortkey
assignement to the video-disk modes, I tried changing them both in fracti=
nt
and in all of the makegif*.bat=B4s. Is it because I=B4m running within wi=
ndows?
or is it something to do with my path (c:\geral\mat\fractint) ? I really
want to see all the beautiful pars I got from you, but I don=B4t want to =
call
them all one by one.
Another question: I=B4ve also tried the fractint saver as a par tester, b=
ut
when i have one single file containing hundreds of pars I put the saver t=
o
print 64 images on the screen. So it begins generating them nicely, but,
when it comes to the last image on the screen and has to start from the
beginning again it simply overwrites the files just saved. My idea was to
let it work all night long so in the morning I would find lot of nice pic=
s
in my hard drive, but I don=B4t know what else to try.
So that=B4s it. If anybody knows the answers or how I find them, please a=
nswer
me.

Oh, I had some trouble with fimap too, are all the problems related??

Fernando Bresslau - Brazil


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-------------------------------------------------------------------------------

From: Ralph Feltens <[e-mail]>
Subject: Re: (fractint) fractal art short course
Date: 10 May 1999 13:44:33 +0200

Hello Lori

>
> I'd like to offer a couple of workshops on fractal art at my home institution,
> ACC.  I need to compile a list of resources (on and off the web) for primarily
> graphic and commercial art students.  Would you folks mind giving me a hand by
> sending me your favorite URLs, books, and other publications.  I'll be happy to
> acknowledge each contributor along with this discussion group.
>

Here are two sites that might be of interest to you. The first one is a link to "The
Beauty of Chaos" homepage http://i30www.ira.uka.de/~ukrueger/fractals/. It is a
database of 500+ pictures of the mandelbrot set. I found this one very inspiring for
showing how to find interesting & beautiful motifs within the mandelbrot set.

The second one is the homepage of Michael Freeman
(http://www2.capcollege.bc.ca/~mfreeman/). He has developed a suite of little programs
(only Mandelbrot-Sets), requiring parameter inputs (i.e. coordinates) that can be
obtained via a fractint par file. His programs have the following advantages:

a) truecolor output (tga files / continous potential / colorfile editor included, but
some manipulation with a text editor sometimes helpful)
b) unlimited resolution, which is very interesting for high quality output (I made
most of the pictures on my walls using resolutions of up to 8400 x 6300)
[c) anti-aliasing program: useful for generating smaller images from a larger one /
enhancing output quality]


Ralph Feltens


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-------------------------------------------------------------------------------

From: Gedeon Peteri <[e-mail]>
Subject: (fractint) Updated Chebyshev formula file
Date: 10 May 1999 10:13:39 -0400

Morgan L. Owens' Chebyshev formula collection has been updated and made
compatible with Orgform. The collection may be found on either of my
three Chebyshev pages at my Geocities web site. Please visit one of them
and download this newly revised and corrected collection and let it
replace your current one.

Gedeon

--
Fractals: http://www.geocities.com/~gedeonp/index.html
Member Infinite Fractal Loop
Last updated: May 5, 1999 - New Euler images
Photography: http://members.xoom.com/gedeonp/index.html
Last updated: February 23, 1999 - three new pages



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: =?iso-8859-1?Q?Re:_(fractint)_Why_don=B4t_my_programs_run_peacefu?=
Date: 10 May 1999 14:56:55 -0400



Fernando Bresslau  wrote:

>>> First I tried partobat,  and it cries to me: runtime error 200 at
0488:0091<<<

You probably have an old version which doesn't work on fast PCs. Try version 3.5
at http://www.hajoweber.de/download/program/partob35.zip

Sorry, I can't help you with the other problems, but:

>>> Oh, I had some trouble with fimap too, are all the problems related?? <<<

You don't mean fimaps.exe that generates color maps do you? If so, I am the
author of that program.

Nick



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-------------------------------------------------------------------------------

From: "Ognen Ivanovski" <[e-mail]>
Subject: (fractint) Visit Genum
Date: 11 May 1999 17:24:51 +0200

I've created an interactive site that develops fractal formulas using
Genetic Algorithms based on the votes that visitors give for the existing
formulas (i.e. fractals).

Please visit it so it would work (the site needs votes to produce new and
unexpected fractals).

http://come.to/genum

http://eon.pmf.ukim.edu.mk/~milkman/genum/

It is the same site
Thanks.
Ognen




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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: (fractint) =?iso-8859-1?Q?Re:_=28fractint=29_Why_don=B4t_my_programs_run_peacefuly_t?=
Date: 11 Jan 1999 22:01:14 -0200

Nick Grasso wrote:

>You probably have an old version which doesn't work on fast PCs. Try
version 3.5
>at http://www.hajoweber.de/download/program/partob35.zip


Thanks, I=B4m going to check it tomorrow from college. Last time I tried =
to
download it the page (I don=B4t if it=B4s the sam) was being updated.

>>>> Oh, I had some trouble with fimap too, are all the problems related?=
?
<<<
>
>You don't mean fimaps.exe that generates color maps do you? If so, I am =
the
>author of that program.
 Yes, that=B4s it, but I have to get a closer look at it to see if the pr=
oblem
continues to exest.

Thank you so much,
Fernando,
USP, S=E3o Paulo, Brazil


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) Visit Genum
Date: 11 Jan 1999 22:25:05 -0200

I visited it(http://eon.pmf.ukim.edu.mk/~milkman/genum/
), my vote was for pic 8 first, pic 2nd and 4 3rd, but I got this message:
INTERNAL: unrecognized language en?jazik=en

Best regards,
Bresslau



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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: Re: (fractint) Visit Genum
Date: 11 May 1999 19:31:19 -0700

At 05:24 PM 5/11/99 +0200, Ognen wrote:
>...
>Genetic Algorithms
>...

 :o)

>Please visit it so it would work (the site needs votes to produce new and
>unexpected fractals).

I tried both URLs, got a code 404 both times.  :o(
Hopefully it's a server problem that will clear later.


Bud


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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) Visit Genum
Date: 12 May 1999 09:54:49 +0200

It worked quite fine when I visited it.  Nice experiment.

-------------------------
Randall Britten


-----Original Message-----
[mailto:[e-mail]] On Behalf Of Mark Christenson
Sent:    Wednesday 12 May 1999 04:31

At 05:24 PM 5/11/99 +0200, Ognen wrote:
>...
>Genetic Algorithms
>...

 :o)

>Please visit it so it would work (the site needs votes to produce new and
>unexpected fractals).

I tried both URLs, got a code 404 both times.  :o(
Hopefully it's a server problem that will clear later.


Bud


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-------------------------------------------------------------------------------

From: Barry N Merenoff <[e-mail]>
Subject: (fractint) Re: Genum
Date: 12 May 1999 05:59:45 -0400

It would be nice if there were a private (i.e., non-server) version of
Genum, so you could make sure that only your own artistic choices were
registered.

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: RE: (fractint) Re: Genum
Date: 12 May 1999 23:42 0000


>It would be nice if there were a private (i.e., non-server) version of
>Genum,

Well wait a bit for the next version of fractint ( soon!) and you'll be able
to try the evolver which does much the same thing, except that at the
moment you choose only one of a set of images for the next generation.
I intend to add in the capabilty to weight choices of several images in
the next version but that really needs a break from the somewhat
restrictive DOS memory limitations which we currently operate under.
Phil McRevis is currently puting in some sterling work in that direction,
nice one Phil!

The main problem with building such GA systems is deciding on a
fitness funcion, ideally it would be nice to be able to select a favourite
image from a few generations and then let the program take over once
your choices were reasonably consistent.... this sounds like a job for
a neural network of some sort but I know little of such things and
would welcome any input from anyone here who is experienced in
programming them... drop me a line if you're experienced!

Cheers,
        Robin.










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-------------------------------------------------------------------------------

From: Barry N Merenoff <[e-mail]>
Subject: (fractint) Re: Genum
Date: 12 May 1999 21:22:21 -0400

I do not think it would be a good idea to have the program "second-guess"=

the user's artistic choices. I, for one, would rather make more choices t=
o
get a better result.
If a new version of Fractint would allow the specification of user-define=
d
functions via Taylor series, these could be included as ADFs to provide a=

faster evolution. (I have always thought Fractint's function list is quit=
e
restrictive.)

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 13 May 1999 02:38:33 -0600


In article <[e-mail]>,
    Barry N Merenoff <[e-mail]>  writes:

> (I have always thought Fractint's function list is quite
> restrictive.)

What functions do you think are missing?
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 13 May 1999 21:42:46 +1200

At 02:38 13/05/99 -0600, you wrote:
>
>In article <[e-mail]>,
>    Barry N Merenoff <[e-mail]>  writes:
>
>> (I have always thought Fractint's function list is quite
>> restrictive.)
>
>What functions do you think are missing?
>
Let's generalise: what's missing is a way for a user to specify new
functions (define a syntax for definitions contained in call it
fractint.fn, say, which is loaded and folded into the list on startup.

Morgan L. Owens



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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 13 Jan 1999 23:13:23 -0200

De: Barry N Merenoff <[e-mail]>
Data: Quarta-feira, 12 de Maio de 1999 23:26

>I do not think it would be a good idea to have the program "second-guess=
"
>the user's artistic choices. I, for one, would rather make more choices =
to
>get a better result.
>If a new version of Fractint would allow the specification of user-defin=
ed
>functions via Taylor series, these could be included as ADFs to provide =
a
>faster evolution. (I have always thought Fractint's function list is qui=
te
>restrictive.)
 I don=B4t know about the Taylor series, but I liked the idea of watching=
 a
computer learn my preferences and try to gues what I prefer. Ok, some cho=
ice
power is good and artistically fundamental, but for personal fun, I reall=
y
support the idea.
Bresslau


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: (fractint) =?iso-8859-1?Q?Re:_=28fractint=29_Re:_=28fractint=29_Why_don=B4t_my_p?=
Date: 13 Jan 1999 23:01:53 -0200



>Nick Grasso wrote:
>
>>You probably have an old version which doesn't work on fast PCs. Try
>version 3.5
>>at http://www.hajoweber.de/download/program/partob35.zip
>
>
>Thanks, I=B4m going to check it tomorrow from college. Last time I tried=
 to
>download it the page (I don=B4t if it=B4s the sam) was being updated.


OK, it worked fine, only my mama wouldn=B4t let me let mey pc run all nig=
ht
long cause she thinks it eats up too much power and mney. Thanks.

>
>>>>> Oh, I had some trouble with fimap too, are all the problems related=
??
><<<
>>
>>You don't mean fimaps.exe that generates color maps do you? If so, I am
the
>>author of that program.
> Yes, that=B4s it, but I have to get a closer look at it to see if the
problem
>continues to exest.

Sorry, I have made some confusion here. Fimaps works fine.

Bresslau


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: (fractint) About make more memory available.
Date: 13 Jan 1999 23:09:52 -0200

The problem is the following:
I=B4ve always ran fractint without problems under w95. I have a pentium I=
I
300MHz and 64 megs of RAM. Today I compiled another patch to my fractint =
and
it ran fine for a time. The mandelbrot set wouldn=B4t start correctly but=
 the
other sets were fine. So I decided to run it under dos. I go to the start
button, reboot computer under DOS. Mouse driver is loaded and I start
fractint. Then I got this nice mssage:
"I'm sorry, but you don't have enough free memory
to run this program."

OK, I=B4m no t a DOS expert, so I load win95 again, but get the same mess=
age.
How Can I edit my autoexec.bat, config.sys and other startup files to mor=
e
memory available? Can I choose between two modes, one normal and one with
lots of free mem?

Any help is welcome, I really don=B4t know how to do this.

Best regards,
Bresslau



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Receipt of 1999/5/11 PM 05:24 message
Date: 14 May 1999 10:46:22 +0800

Re:(fractint) Visit Genum


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-------------------------------------------------------------------------------

From: "Jack Baker" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 14 May 1999 13:09:33 GMT

You may want to check the available space on your hard drive.  If you do not
have much open space (say less than 300 MB) on the primary master, Windows
will have a hard time with its virtual memory. (I personally have 256MB RAM,
and Windows uses most of it.  If that is not the issue, try changing the
memory manager in "system properties" from "desktop" to "server"  This makes
the OS manage the memory a little more aggresively.  Hope these help.

-Jack

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The problem is the following:
I┤ve always ran fractint without problems under w95. I have a pentium II
300MHz and 64 megs of RAM. Today I compiled another patch to my fractint and
it ran fine for a time. The mandelbrot set wouldn┤t start correctly but the
other sets were fine. So I decided to run it under dos. I go to the start
button, reboot computer under DOS. Mouse driver is loaded and I start
fractint. Then I got this nice mssage:
"I'm sorry, but you don't have enough free memory
to run this program."

OK, I┤m no t a DOS expert, so I load win95 again, but get the same message.
How Can I edit my autoexec.bat, config.sys and other startup files to more
memory available? Can I choose between two modes, one normal and one with
lots of free mem?

Any help is welcome, I really don┤t know how to do this.

Best regards,
Bresslau



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_______________________________________________________________
Get Free Email and Do More On The Web. Visit http://www.msn.com

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-------------------------------------------------------------------------------

From: FreeFlux / CephiD <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 14 May 1999 16:09:22 +0200

Hi,

Just al little side note here. Bresslau could you pretty please set your date to
now instead of jan. 1998? It's a bit annoying to have to search through all my
messages to get yours.

And on the subject...Having your computer learn your prefs is a nice idea, and I
saw this once on a special from Super Channel about Chaos/Fracrals etc...that
was over 3 years ago however. It was at the IBM labs in Britain about evolving
"lifeforms". Difficult to explain this since it's been a while. Though the whole
system ran on AIX, instead of your everyday DOS/W9x systems, and was most
difinitley not Fractint...But implementing such a thing into fractint would
require a major rewrite of some of the code I think. But I do recall that the
next version will have evolving fractals. How much you can tweak/control this
(or not) I don't know.

What I would like to see is a more complex system of functions, right now we
have a lot of trigonometric functions (cos, tan, cosh etc.). It would be nice to
have some really interesting things in fractint like, PDEs/ODEs (Partial-
Ordinary Differential Equations). I like these a lot, since now i know there's a
whole lot more to them than just the Lorenz/R÷ssler equations.

John

Bresslau wrote:

> De: Barry N Merenoff <[e-mail]>
> Data: Quarta-feira, 12 de Maio de 1999 23:26
>
> >I do not think it would be a good idea to have the program "second-guess"
> >the user's artistic choices. I, for one, would rather make more choices to
> >get a better result.
> >If a new version of Fractint would allow the specification of user-defined
> >functions via Taylor series, these could be included as ADFs to provide a
> >faster evolution. (I have always thought Fractint's function list is quite
> >restrictive.)
>  I don┤t know about the Taylor series, but I liked the idea of watching a
> computer learn my preferences and try to gues what I prefer. Ok, some choice
> power is good and artistically fundamental, but for personal fun, I really
> support the idea.
> Bresslau
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"



--
=====================================
 From: John B.
 [QW] - CephiD / Cancel!
 [HL DM/TFC] - SM.Ceph / SM.SlickRick
 Member of earthQuake
 http://earthquake.xs4all.nl/
=====================================



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-------------------------------------------------------------------------------

From: "Ricardo M. Forno" <[e-mail]>
Subject: RE: (fractint) Re: Genum
Date: 14 May 1999 11:45:54 -0300


Hi
On this list, I have seen mentioned a program called fimap that creates
color maps for fractint.
Does some one known where can I find it? Is it shareware or freeware?
Thanks a lot.


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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) About make more memory available.
Date: 14 May 1999 11:16:46 -0400



Bresslau wrote:

>>>How Can I edit my autoexec.bat, config.sys and other startup files to more
memory available? Can I choose between two modes, one normal and one with lots
of free mem?<<<

Hello again Bresslau,

To get the most memory for DOS sessions in Windows95, put the following lines in
CONFIG.SYS:

device=c:\windows\himem.sys
device=c:\windows\emm386.exe noems
DOS=HIGH,UMB

I think the noems parameter is OK because fractint uses xms, not ems, but I
might be wrong. You could try it without noems.

If you are loading anything else into memory in config.sys or autoexec.bat, try
loading them into high memory, for example in config.sys:

DEVICEHIGH=C:\WINDOWS\RAMDRIVE.SYS 1536 512 128 /E

or in autoexec.bat:

LOADHIGH c:\windows\command\doskey.com

Also, if you are loading hardware drivers in config or autoexec, you can usually
take them out and use the 32 bit Windows 95 drivers instead. For example, when
you upgrade Win 3.1 to 95, it will leave the CD ROM drivers in config.sys.
However, almost all CD drives now have Win95 drivers, so you can use those
instead which will give you more DOS memory.

You must reboot after making these changes.

If you still get out-of-memory errors after trying the above, it could be that
fractint.exe is corrupt. Corrupt or virus infected exes often give out-of-memory
errors.

Please feel free to email me privately if you have any more questions about
this.

Nick



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: RE: (fractint) Re: Genum
Date: 14 May 1999 11:44:53 -0400



Ricardo M. Forno <[e-mail]> wrote:

>>>On this list, I have seen mentioned a program called fimap that creates color
maps for fractint. Does some one known where can I find it? Is it shareware or
freeware?
Thanks a lot.<<<

Hi Ricardo,

I am the author of that program (fimaps.exe). It is totally free, but I do not
have a web site. I could send it to you as an email attachment. It is 200K. Or
if somebody on the list wants to post it on the web, I'll send it to them. It is
a DOS program but it works in Win95 and OS/2. There are several other mapping
programs for Windows now that are probably better, but fimaps has a neat feature
where you can display your fractal and manipulate the colors using hotkeys. Let
me know.

Nick



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-------------------------------------------------------------------------------

From:    "Fliguer, Miguel" <[e-mail]>
Subject: RE: (fractint) Re: Genum
Date: 14 May 1999 12:58:49 -0300

I missed some posts on this thread. Could anybody
repost Genum's URL ? Thanks,

Miguel Fliguer - Buenos Aires, Argentina
Franktal Gallery
http://members.xoom.com/fliguer/franktal.html

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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: (fractint) Command line options
Date: 14 May 1999 18:12:38 +0200

Where is the documentation for the command line options for fractint?  Are
they the same for xfractint?

Also, on the topic, is anyone working on porting the next release of
fractint to and X version yet?

-------------------------
Randall Britten




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-------------------------------------------------------------------------------

From: "Ricardo M. Forno" <[e-mail]>
Subject: RE: (fractint) Re: Genum
Date: 14 May 1999 13:26:01 -0300

If at all possible, please attach it to an e-mail, though I understand this
practice is not recommended in the fractint list.
Thank you very much.

----------
> De: [e-mail]
> A: [e-mail]
> Asunto: RE: (fractint) Re: Genum
> Fecha: Viernes 14 de Mayo de 1999 12:44 PM
>
>
>
> Ricardo M. Forno <[e-mail]> wrote:
>
> >>>On this list, I have seen mentioned a program called fimap that
creates color
> maps for fractint. Does some one known where can I find it? Is it
shareware or
> freeware?
> Thanks a lot.<<<
>
> Hi Ricardo,
>
> I am the author of that program (fimaps.exe). It is totally free, but I
do not
> have a web site. I could send it to you as an email attachment. It is
200K. Or
> if somebody on the list wants to post it on the web, I'll send it to
them. It is
> a DOS program but it works in Win95 and OS/2. There are several other
mapping
> programs for Windows now that are probably better, but fimaps has a neat
feature
> where you can display your fractal and manipulate the colors using
hotkeys. Let
> me know.
>
> Nick
>
>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Command line options
Date: 14 May 1999 11:47:52 -0600


In article <003a01be9e24$96b4b8b0$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Where is the documentation for the command line options for fractint?

In fractint.doc, see the section "startup parameters" in the main help
screen.

> Are they the same for xfractint?

Yes, and xfractint adds a few options specific to the unix version.
They are in the help file as shown by xfractint.

> Also, on the topic, is anyone working on porting the next release of
> fractint to and X version yet?

xfractint and fractint share most of the source code; generally a new
release of xfractint comes out when a new release of fractint comes
out.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Ricardo M. Forno" <[e-mail]>
Subject: RE: (fractint) Re: Genum
Date: 14 May 1999 15:38:47 -0300

Hi NIck again:
Of course, you can send it only to my private e-mail address.
Thanks.

----------
> De: [e-mail]
> A: [e-mail]
> Asunto: RE: (fractint) Re: Genum
> Fecha: Viernes 14 de Mayo de 1999 12:44 PM
>
>
>
> Ricardo M. Forno <[e-mail]> wrote:
>
> >>>On this list, I have seen mentioned a program called fimap that
creates color
> maps for fractint. Does some one known where can I find it? Is it
shareware or
> freeware?
> Thanks a lot.<<<
>
> Hi Ricardo,
>
> I am the author of that program (fimaps.exe). It is totally free, but I
do not
> have a web site. I could send it to you as an email attachment. It is
200K. Or
> if somebody on the list wants to post it on the web, I'll send it to
them. It is
> a DOS program but it works in Win95 and OS/2. There are several other
mapping
> programs for Windows now that are probably better, but fimaps has a neat
feature
> where you can display your fractal and manipulate the colors using
hotkeys. Let
> me know.
>
> Nick
>
>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"

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-------------------------------------------------------------------------------

From: "Ognen Ivanovski" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 14 May 1999 21:17:58 +0200

Either http://come.to/genum/ (but I hate the ad's) or
http://eon.pmf.ukim.edu.mk/~milkman/genum/

And sorry all for the terrible english on the page....

milkman

-----Original Message-----


>I missed some posts on this thread. Could anybody
>repost Genum's URL ? Thanks,
>



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-------------------------------------------------------------------------------

From: "Ognen Ivanovski" <[e-mail]>
Subject: (fractint) Genum
Date: 14 May 1999 21:48:49 +0200

First, I would like to thank you all for actively visiting Genum. It runs
for almost two months and had produced 5 generations. Two new appeared only
in the last two days. It makes me happy to see progress on the page.

I am a fractint fan since early highschool and I swore to my self a long
time ago that I'd learn all what's behing all those breathtaking images.
Recently I had to do a project in the field of GA and while searching for a
subject I found out that it is possible to "mate" fractal formulas (a
similar project somewhere on gatech.edu exists).

So I developed Genum: I wanted to learn everything (except LHA compressing,
so I used a library) and thereso Genum is a completely standalone in drawing
and "mating" the fractals. Of course that's a problem: I can't get the same
images using fractint with the same formulas. Genum has a bug but I haven't
found it yet.
But it produces nice images so I let it go.

Concerning the fitness function Robin mentions and the ability to write a
program that would "second-guess" someone's pick:
Just to discurage you: read "Shadows of the Mind" by Roger Penrose on the
subject.
An atempt to write a program that would guess someones visual taste is an
atempt to define the taste of a person, furthermore the attempt to predict
such a taste I would consider highly entusiastic.
Now, I guess that you don't want to do that. What could be done at our best
is to base the choice (the fitness fn) on some kind of similarity to image
(or images) previosly indicated by a human. But that of course would not be
anything near to "implanting" one's taste into the code.


_____
http://eon.pmf.ukim.edu.mk/~milkman/ [coming soon]


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-------------------------------------------------------------------------------

From: "Ognen Ivanovski" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 14 May 1999 21:26:59 +0200

I plan to distribute the source code freely as a simple instalation package
but you have to give me time for that.
I can't run a project that big on the university server  (it would have to
hold a lots of gifs).

At the identifiers in the source are on Macedonian (I had to do it so to
impress my professor) and it would do no good. I'll translate it as soon as
I get to revise it.

The whole project is writen in C++ and Perl (the cgi part). You might be
interested in the Object Design. It runs only on POSIX compilant unices (I
rely on forking a lot) but it is not a big problem to port the code.

milkman

-----Original Message-----


It would be nice if there were a private (i.e., non-server) version of
Genum, so you could make sure that only your own artistic choices were
registered.

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-------------------------------------------------------------------------------

From: "Ognen Ivanovski" <[e-mail]>
Subject: Re: (fractint) Visit Genum
Date: 14 May 1999 21:19:51 +0200

Sorry for that. I'm a little bit late on checking my mail so I missed the
chance to try exactly the same choice you did -- a new generation appeared
today.

milkman

-----Original Message-----


>I visited it(http://eon.pmf.ukim.edu.mk/~milkman/genum/
>), my vote was for pic 8 first, pic 2nd and 4 3rd, but I got this message:
>INTERNAL: unrecognized language en?jazik=en
>



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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 14 May 1999 22:32:56 -0300

De: FreeFlux / CephiD <[e-mail]>
Data: Sexta-feira, 14 de Maio de 1999 11:13
Assunto: Re: (fractint) Re: Genum


>Hi,
>
>Just al little side note here. Bresslau could you pretty please set your
date to
>now instead of jan. 1998? It's a bit annoying to have to search through =
all
my
>messages to get yours.

Ok, done. Sorry, this was to cheat a little shareware prog into running.


>But I do recall that the
>next version will have evolving fractals. How much you can tweak/control
this
>(or not) I don't know.


It=B4s going to have, it=B4s nice and I know that it will have some exper=
t modes
which will give us some control of it, although for the simple user it=B4=
s
just hitting a key and chosin one of several thumbnails of evolutions.

>
>What I would like to see is a more complex system of functions, right no=
w
we
>have a lot of trigonometric functions (cos, tan, cosh etc.). It would be
nice to
>have some really interesting things in fractint like, PDEs/ODEs (Partial=
-
>Ordinary Differential Equations). I like these a lot, since now i know
there's a
>whole lot more to them than just the Lorenz/R=F6ssler equations.


I surely support your Idea, although I=B4ll have to learn some more math
before (what we learn at engineering school ist allways very practical, a=
nd
we miss much of theoretical beauty of maths.

Best regards, Bresslau


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) Re: Genum
Date: 14 May 1999 22:57:21 -0300

When I got that error message at genum (language not supported or
something), the problem was with the browser (Opera). I tried it again, as
the error persisted, Ithought about changing to IExp. and it worked.
Bresslau


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 14 May 1999 23:03:10 -0300


De: Jack Baker <[e-mail]>
Data: Sexta-feira, 14 de Maio de 1999 10:14
Assunto: Re: (fractint) About make more memory available.


>You may want to check the available space on your hard drive.  If you do
not
>have much open space (say less than 300 MB) on the primary master, Windo=
ws
>will have a hard time with its virtual memory.

Right, I=B4m going to make more free space (nowadays only 181 MB).

>(I personally have 256MB RAM,
>and Windows uses most of it.  If that is not the issue, try changing the
>memory manager in "system properties" from "desktop" to "server"

Also done



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-------------------------------------------------------------------------------

From: Barry Spreen <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 14 May 1999 23:29:06 -0500

At 11:03 PM 5/14/99 -0300, you wrote:
>
>De: Jack Baker <[e-mail]>
>Data: Sexta-feira, 14 de Maio de 1999 10:14
>Assunto: Re: (fractint) About make more memory available.
>
>
>>You may want to check the available space on your hard drive.  If you do
>not
>>have much open space (say less than 300 MB) on the primary master, Windows
>>will have a hard time with its virtual memory.
>
>Right, I=B4m going to make more free space (nowadays only 181 MB).
>
>>(I personally have 256MB RAM,
>>and Windows uses most of it.  If that is not the issue, try changing the
>>memory manager in "system properties" from "desktop" to "server"
>
>Also done


I recently was having a lot of trouble with the windows swapfile and
virtual memory. Available hard drive memory was down to about 300 meg.. I
thought that adding a second hard drive and restructuring the system would
solve the problem. However, even with 1.5 Gig on the primary master, I was
still having virtual memory problems. The swapfile seemed to be managed
improperly by the system, growing to immense size. Switching the swapfile
to the secondary master with about the same amount free solved the problem
and the swapfile has remained at a reasonable size. I don't know why it
works, but it does.



Best,
Barry
mailto:[e-mail]

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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: (fractint) Is the list working?
Date: 16 May 1999 13:02:16 -0300

Just testing to see if my subscription is still working.
Sorry,
Bresslau


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-------------------------------------------------------------------------------

From: Jim Muth <[e-mail]>
Subject: (fractint) Re: Is the list working?
Date: 16 May 1999 14:33:57 -0400 (EDT)

At 01:02 PM 5/16/99 -0300, Bresslau wrote:

>Just testing to see if my subscription is still working.

The Fractint list is still working, though the traffic is way down
since the fractal artists who once posted here moved their par file
postings to the Ultra Fractal list.  We need to recruit some more of
those who are interested in the mathematical aspect of fractals.

Jim Muth
[e-mail]


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-------------------------------------------------------------------------------

From: Ken Childress <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 16 May 1999 13:12:59 -0700


Jim,

>>Just testing to see if my subscription is still working.
>
>The Fractint list is still working, though the traffic is way down
>since the fractal artists who once posted here moved their par file
>postings to the Ultra Fractal list.  We need to recruit some more of
>those who are interested in the mathematical aspect of fractals.

Am I correct in reading the implication that those who are using
programs other than Fractint are not interested in the mathematical
aspect of fractals?

If so, that seems to be a rather absurd implication.  If not, please
clarify.


Ken...



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-------------------------------------------------------------------------------

From: "Kellie Charlynn Angel Findley" <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 16 May 1999 15:57:59 PDT

Actually, there are those such as myself  who enjoy both the intellectual=
 and the aesthetic beauty of fractals.

----------
>
> Jim,
>
> >>Just testing to see if my subscription is still working.
> >
> >The Fractint list is still working, though the traffic is way down
> >since the fractal artists who once posted here moved their par file =

> >postings to the Ultra Fractal list.  We need to recruit some more of =

> >those who are interested in the mathematical aspect of fractals.
>
> Am I correct in reading the implication that those who are using
> programs other than Fractint are not interested in the mathematical
> aspect of fractals?
>
> If so, that seems to be a rather absurd implication.  If not, please
> clarify.
>
>
> Ken...
>
>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"



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-------------------------------------------------------------------------------

From: Tom Conally <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 16 May 1999 17:33:55 -0400

At 03:57 PM 5/16/99 PDT, you wrote:
>Actually, there are those such as myself  who enjoy both the intellectual
and the aesthetic beauty of fractals.

Same Here!!!




Tom Conally
In every boomerang there is a perfect throw.
Your life, Grasshopper, is to practice  till you find that throw
and become one with that boomerang!
__________________________________________
Boomerangs        http://www.angelfire.com/nc/conally
Paradise             http://www.netpath.net/~conally/
Fractal Images   http://members.tripod.com/afractal
Teddybear's picnic http://members.tripod.com/afractal/picnic/teddybear.html


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-------------------------------------------------------------------------------

From: Natalie Koning <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 00:32:32 +0200

In article <[e-mail]>, Jack Baker
<[e-mail]> writes
>You may want to check the available space on your hard drive.  If you do not
>have much open space (say less than 300 MB) on the primary master, Windows
>will have a hard time with its virtual memory. (I personally have 256MB RAM,
>and Windows uses most of it.  If that is not the issue, try changing the
>memory manager in "system properties" from "desktop" to "server"  This makes
>the OS manage the memory a little more aggresively.  Hope these help.
>
>-Jack
>

Huh?

I'm running Fractint (DOS and Win versions) on a Pentium 75 with 8MB RAM
without any problems.


Natalie

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Knowing Murphy's Law won't help either.

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-------------------------------------------------------------------------------

From: "Jack Baker" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 16 May 1999 23:45:14 GMT

Congratulations...

In article <[e-mail]>, Jack Baker
<[e-mail]> writes
 >You may want to check the available space on your hard drive.  If you do
not
 >have much open space (say less than 300 MB) on the primary master, Windows
 >will have a hard time with its virtual memory. (I personally have 256MB
RAM,
 >and Windows uses most of it.  If that is not the issue, try changing the
 >memory manager in "system properties" from "desktop" to "server"  This
makes
 >the OS manage the memory a little more aggresively.  Hope these help.
 >
 >-Jack
 >

Huh?

I'm running Fractint (DOS and Win versions) on a Pentium 75 with 8MB RAM
without any problems.


Natalie

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Knowing Murphy's Law won't help either.

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_______________________________________________________________
Get Free Email and Do More On The Web. Visit http://www.msn.com

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-------------------------------------------------------------------------------

From: Jim Muth <[e-mail]>
Subject: (fractint) Re: Is the list working?
Date: 16 May 1999 20:36:30 -0400 (EDT)

At 01:12 PM 5/16/99 -0700, Ken Childress wrote:

>Am I correct in reading the implication that those who are using
>programs other than Fractint are not interested in the mathematical
>aspect of fractals?

No, you are not correct.

>If so, that seems to be a rather absurd implication.

If it were so, it would indeed be absurd.

>If not, please clarify.

Okay, I'll try to spell it out.  To start, it is obvious that
those who enjoy fractals have an interest in math, and it is
also obvious that those who enjoy fractals also have an artistic
sense.  Every person who runs any fractal generating program is
to some degree both an artist and a mathematician.  But some
are more attracted to the math aspect, and others to the
artistic side of fractals.

I am assuming that by the term "programs other than Fractint"
you mean Ultra Fractal.  When the Fractint list began about two
years ago, it was nearly engulfed by a flood of parameter files,
which came in at a rate of sometimes near 100 per day.  The
comments accompanying these files constantly asked questions
such as, "when will Fractint support true-color?"  It was
obvious that such features were much desired.

Then the Ultra Fractal list was formed, and those who had filled
the Fractint list with par files moved to the UF list, and began
filling it with their par files.  And why not -- UF is faster
and has many of the features that the Fractint list posters were
clamoring for.

As a result, in a period of a month or so, the volume of traffic
on the Fractint list dropped from 50 or so a day to only one or
two messages per day.  Concerned about the lack of traffic, one
of the list subscribers, (I think it was Bresslau), posted a
test letter to see if the list was still working.  I replied,
assuring him that it was.

I added a comment to my reply, speculating about how we might
raise a bit more traffic for the Fractint list.  Since those who
were seeking more artistic versatility in their fractal program
have found it in UF, I suggested that the Fractint list should
emphasize the math aspect of fractal seeking.  I did not even
think of denigrating the mathematical ability of those who
switched to UF, just as I would not denigrate the artistic
ability of those, like myself, who stayed with Fractint.

BTW, I am a subscriber to the UF list, and have tried the
program.  I did not continue using it because I am really not
that interested in things such as multiple layers, etc.  (Again,
no offense intended against those who use layers.)  Also, I
generate fractals on several machines, and two of them still run
Windows-3.1, which does not support UF.

If you still feel offended, quote the phrase that offends you,
and I'll give further clarification.

Jim Muth
[e-mail]


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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 17 May 1999 01:49:04 -0300

Now that you=B4ve mentioned it, I=B4m curios about the ultra fractal list=
. What
is the subscription aaddress?
Thanks, Bresslau, the one who started all this.


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-------------------------------------------------------------------------------

From: Ken Childress <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 16 May 1999 21:19:44 -0700


Jim,

>>Am I correct in reading the implication that those who are using
>>programs other than Fractint are not interested in the mathematical
>>aspect of fractals?
>
>No, you are not correct.

I'm glad.

>>If not, please clarify.
>
>Okay, I'll try to spell it out.  To start, it is obvious that
>those who enjoy fractals have an interest in math, and it is
>also obvious that those who enjoy fractals also have an artistic
>sense.  Every person who runs any fractal generating program is
>to some degree both an artist and a mathematician.  But some
>are more attracted to the math aspect, and others to the
>artistic side of fractals.

Makes sense to me.

>I am assuming that by the term "programs other than Fractint"
>you mean Ultra Fractal.  When the Fractint list began about two
>years ago, it was nearly engulfed by a flood of parameter files,
>which came in at a rate of sometimes near 100 per day.  The
>comments accompanying these files constantly asked questions
>such as, "when will Fractint support true-color?"  It was
>obvious that such features were much desired.

No, I didn't specifically have UF in mind, but that assumption
wasn't necessarily off base.

>Then the Ultra Fractal list was formed, and those who had filled
>the Fractint list with par files moved to the UF list, and began
>filling it with their par files.  And why not -- UF is faster
>and has many of the features that the Fractint list posters were
>clamoring for.
>
>As a result, in a period of a month or so, the volume of traffic
>on the Fractint list dropped from 50 or so a day to only one or
>two messages per day.  Concerned about the lack of traffic, one
>of the list subscribers, (I think it was Bresslau), posted a
>test letter to see if the list was still working.  I replied,
>assuring him that it was.

Well, the traffic on this list certainly has dropped off, but it
has only been in the last couple of months.  The Uf list has been
going for about 10 months or so.

>I added a comment to my reply, speculating about how we might
>raise a bit more traffic for the Fractint list.  Since those who
>were seeking more artistic versatility in their fractal program
>have found it in UF, I suggested that the Fractint list should
>emphasize the math aspect of fractal seeking.  I did not even
>think of denigrating the mathematical ability of those who
>switched to UF, just as I would not denigrate the artistic
>ability of those, like myself, who stayed with Fractint.

I'm glad to hear that.  I agree completely.  Each has their own
opinions about the various programs and why they use them.  All the
programs are tools, and while different programs have different
capabilities, they are just tools for the user to gain whatever
pleasure from that they choose.

>BTW, I am a subscriber to the UF list, and have tried the
>program.  I did not continue using it because I am really not
>that interested in things such as multiple layers, etc.  (Again,
>no offense intended against those who use layers.)  Also, I
>generate fractals on several machines, and two of them still run
>Windows-3.1, which does not support UF.
>
>If you still feel offended, quote the phrase that offends you,
>and I'll give further clarification.

I didn't really feel offended.  I just wanted to make sure that I
understood your statement.  On the surface, it could have been taken
different ways.  I thank you for taking the time to clarify it for me.


Ken...



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-------------------------------------------------------------------------------

From: "Paul N. Lee" <[e-mail]>
Subject: Re: (fractint) Re: Is the list working?
Date: 16 May 1999 23:32:27 -0500

Bresslau wrote:
>
> Now that you┤ve mentioned it, I┤m curios about
> the ultra fractal list.  What is the subscription
> aaddress?  Thanks, Bresslau, the one who started
> all this.
>

ULTRA FRACTAL, The Ultra Fractal Discussion List
        Administrator:  Frederik J. Slijkerman <[e-mail]>
        Subscription Address:  [e-mail]
            (body of your email message:  subscribe ultrafractal)
        Posts:  [e-mail]
        Description:
            This mailing list is open to all individuals/organizations
            interested in all aspects of the program "Ultra Fractal"
            written by F. J. Slijkerman. It is a 32-bit fractal plotter
            for Windows 95/NT featuring multi-threading, multiple
            documents, and multiple layers.  Also has many other
            features that include a formula compiler compatible with
            Fractint.  The website and download area may be found at the
            following URL:  http://www.ultrafractal.com/
        Archive:  Send a message to mailto:[e-mail] with
            "index ultrafractal" in the BODY of the message.


http://www.fractalus.com/cgi-bin/theway?ring=fractals&id=43&go

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-------------------------------------------------------------------------------

From: "Mark Salomon" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 01:13:15 -0400

"CONGRATULATIONS"?!!!!
Is THAT the best you  have to  offer?
Is that the best you can offer to the fractint list?

What a flaming idiot....
What a bully


----- Original Message -----
Sent: Sunday, May 16, 1999 7:45 PM


> Congratulations...
>
> In article <[e-mail]>, Jack Baker
> <[e-mail]> writesit
>  >You may want to check the available space on your hard drive.  If you do
> not
>  >have much open space (say less than 300 MB) on the primary master,
Windows
>  >will have a hard time with its virtual memory. (I personally have 256MB
> RAM,
>  >and Windows uses most of it.  If that is not the issue, try changing the
>  >memory manager in "system properties" from "desktop" to "server"  This
> makes
>  >the OS manage the memory a little more aggresively.  Hope these help.
>  >
>  >-Jack
>  >
>

> Huh?
>
> I'm running Fractint (DOS and Win versions) on a Pentium 75 with 8MB RAM
> without any problems.
>
>
> Natalie
>
> --------------------------------------------------------------
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> Knowing Murphy's Law won't help either.
>
> --------------------------------------------------------------
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>
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>
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-------------------------------------------------------------------------------

From: Paul DeCelle <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 01:24:25 -0400



Mark Salomon wrote:
>
> "CONGRATULATIONS"?!!!!
> Is THAT the best you  have to  offer?
> Is that the best you can offer to the fractint list?
>
> What a flaming idiot....
> What a bully


Um, isn't this somewhat inappropriate?  There's already enough hostility
in the world - Let's try to keep it a little more civil, please..

Paul

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-------------------------------------------------------------------------------

From: Natalie <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 09:12:10 +0200

In article <[e-mail]>, Paul DeCelle
<[e-mail]> writes
>> "CONGRATULATIONS"?!!!!
>> Is THAT the best you  have to  offer?
>> Is that the best you can offer to the fractint list?
>>
>> What a flaming idiot....
>> What a bully
>
>
>Um, isn't this somewhat inappropriate?  There's already enough hostility
>in the world - Let's try to keep it a little more civil, please..
>
>Paul
>

Oops, it wasn't my intention to start people shouting, I'm sorry.

I'll disappear again.

Goodbye.

--
Knowing Murphy's Law won't help either.

                                                          Natalie


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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: (fractint) IFS
Date: 17 May 1999 10:07:19 GMT

Well, it's not FractInt, but it *IS* fractal! I've written an IFS
fractal generator in POV-Ray (v3.1). You can download this from

  http://www.mk.dmu.ac.uk/~khcm8ac/Full/POVRay31/IFS.html

I'm also looking for cool IFS's to add to my collection. I tried to
add the fern from fractint (FRACTINT.IFS -> Fern3D), but this didn't
come out too good (actually I got error messages about 0 scaling
factors on a couple of lines!) More to be added soon!

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: "Jack Baker" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 12:17:15 GMT

Thanks Paul...

By the way, when I say congratulations, I mean that I am glad that she has
no problems with her systems.  Unfortunately some people are not as lucky as
she is and do experience problems.  Specifically, Windows 95 and 98 both can
do strange things when managing memory in excess of 32MB.

There is no reason to be confrontational.

-Jack

Mark Salomon wrote:
 >
 > "CONGRATULATIONS"?!!!!
 > Is THAT the best you  have to  offer?
 > Is that the best you can offer to the fractint list?
 >
 > What a flaming idiot....
 > What a bully


Um, isn't this somewhat inappropriate?  There's already enough hostility
in the world - Let's try to keep it a little more civil, please..

Paul

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_______________________________________________________________
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-------------------------------------------------------------------------------

From: "Jack Baker" <[e-mail]>
Subject: Re: (fractint) About make more memory available.
Date: 17 May 1999 12:21:55 GMT

Don't do that.  There are to few people posting to this list as it stands.
And most of the posts have nothing to do with Parfiles, etc.
I, personally do not have time to create new PAR's, but I do enjoy plugging
in the ones that get posted.  So.......

-Jack

Oops, it wasn't my intention to start people shouting, I'm sorry.

I'll disappear again.

Goodbye.

--
Knowing Murphy's Law won't help either.

                                                           Natalie


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_______________________________________________________________
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-------------------------------------------------------------------------------

From: [e-mail] (karen)
Subject: Re: (fractint) IFS
Date: 17 May 1999 12:49:24 GMT

On Mon, 17 May 1999 10:07:19 GMT, you wrote:

>Well, it's not FractInt, but it *IS* fractal! I've written an IFS
>fractal generator in POV-Ray (v3.1). You can download this from
>
>  http://www.mk.dmu.ac.uk/~khcm8ac/Full/POVRay31/IFS.html

Well no, it's not Fractint but thanks very much for posting the
information.  I've been playing with IFSs in both Fractint and UF
for about two weeks now and so am very much interested.  Looking
forward to checking out the site.

Thanks again,


Karen McCormack

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-------------------------------------------------------------------------------

From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Re: UF List
Date: 17 May 1999 10:52:26 -0500

Bresslau, Paul,

The archive to the UF list can also be obtained directly (without going
through the Majordomo list software) from this URL:

    ftp://ftp.fractalus.com/pub/lists/ultrafractal/

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: (fractint) xfractint partobat?
Date: 17 May 1999 19:15:25 +0200

Has anyone written a ParToBat for UNIX's xfractint?

-------------------------
Randall Britten




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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) xfractint partobat?
Date: 17 May 1999 11:36:22 -0600


In article <002801bea088$ddf8f770$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Has anyone written a ParToBat for UNIX's xfractint?

I wrote a perl script some time ago that did what partobat does and
more.   However, the script was written to generate BAT files for
msdos, not unix shell scripts.  I don't even know where the script is
anymore, since I wrote it for a need at the moment.  However, its not
hard to write something similar.  (I have no idea why the partobat.exe
author didn't include the source; it can't be more than a page or two
of C code.)
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: (fractint) Choose yur picture before downloading the par.
Date: 17 May 1999 22:08:41 -0300

I just had an idea:
what if there where a site where you could see a preview of the pars you
were going to download? Somethng like a thumbnail page with checkboxes fo=
r
each picture. you like the picture, you check it. Then you post the form =
and
a par file with all the pars for the pics you checked is created speciall=
y
for you.
This was the idea. I downloaded lots of huge par files with hundreds of
pictures without havin a hint to what they contained. My pars are really =
a
mess and I don=B4t have time to process each of them to see what comes up.
Maybe if I could download only what I wanted, I could still have a beauti=
ful
collection of fractals without having the trouble to select them one by o=
ne
after they were generated.
I don=B4t know nothing about web deisgn /programming, and I don=B4t know =
if this
is a good idea. But if anybody likes it, please use it.
Bresslau


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-------------------------------------------------------------------------------

From: "Jack Baker" <[e-mail]>
Subject: Re: (fractint) Choose yur picture before downloading the par.
Date: 18 May 1999 03:42:01 GMT

Pretty good idea, and it really would not be to hard to do.  Just gotta get
the web space and time to get it done.  Perhaps on a server like xoom.com???
  Anyway, a simple CGI would probably be fine, and all that would be
necessary for the graphics would be a thumbnail.  The user could download
any pars that they were intrigued by and view the larger graphic at their
leisure.  Anybody out there want to jump on board here?????

-Jack


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I just had an idea:
what if there where a site where you could see a preview of the pars you
were going to download? Somethng like a thumbnail page with checkboxes for
each picture. you like the picture, you check it. Then you post the form and
a par file with all the pars for the pics you checked is created specially
for you.
This was the idea. I downloaded lots of huge par files with hundreds of
pictures without havin a hint to what they contained. My pars are really a
mess and I don┤t have time to process each of them to see what comes up.
Maybe if I could download only what I wanted, I could still have a beautiful
collection of fractals without having the trouble to select them one by one
after they were generated.
I don┤t know nothing about web deisgn /programming, and I don┤t know if this
is a good idea. But if anybody likes it, please use it.
Bresslau


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-------------------------------------------------------------------------------

From: "Tony Hanmer" <[e-mail]>
Subject: (fractint) We haven't ALL gone to UF
Date: 18 May 1999 08:46:50 +0400 (MSD)

... Some recent work.
All (c) Tony Hanmer 1999

1bj034             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1.05/0.25 float=y
  bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

1bj035             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1.05/0.4 float=y
  bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

1bj036             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1.05/0.3 float=y
  bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

1bj037             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1.05/0.25 float=y
  bailout=3 bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

1bj038             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1.05/0.25 float=y
  bailout=6 bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

1bj047             {
  reset=1960 type=barnsleyj1 passes=1
  center-mag=0.46759/1.43e-006/2.143901/1/-90 params=1/0.4 float=y
  bailout=3 bailoutest=manh outside=atan
  colors=000CLS<5>4EM2CK1AH18E05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`JR_HPY<4>\
  8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0\
  fH0<9>S70R60Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvn\
  rulqt<2>hnsfmrelqdkpcjo<21>DMT
  }

bm007              {
  reset=1960 type=barnsleym1
  center-mag=-0.08114700480729527/+0.01356693798997498/81.15829/-1/92.499
  params=0/1 maxiter=100 bailout=12123 inside=bof60
  invert=0.0926831/0/0 decomp=256 periodicity=-256
  colors=000nn0<2>zz0<15>000<15>0z0<15>000<15>z0z<14>40400K<15>zzz<14>44N0\
  00<15>WWW<14>000<15>z00<15>000<15>0zz<15>000<15>00z<15>000<11>jj0
  cyclerange=0/255
  }

bm008a             {
  reset=1960 type=barnsleym1
  center-mag=-0.07776925411458126/+0.02239004771584304/2403.846/1/-100
  params=0/1 maxiter=100 bailout=12123 inside=epsiloncross
  invert=0.0926831/0/0 decomp=256 periodicity=-256
  colors=777<2>000<15>z00<15>000<15>0zz<15>000<15>00z<15>000<11>jj0000nn0<\
  2>zz0<15>000<15>0z0<15>000<15>z0z<14>40400K<15>zzz<14>44N000<15>WWW<10>9\
  99 cyclerange=0/255
  }

cn002              {
  reset=1960 type=complexnewton passes=1
  center-mag=-1.20386909415839000/+0.84792626728110540/0.3623188
  params=-1/4/1/0 float=y outside=summ periodicity=0
  colors=000G4F<4>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0fH0<9>S70R60\
  Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvnrulqt<2>hnsf\
  mrelqdkpcjo<24>AJQ8HP7GO5FN4EM2CK<2>05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`J\
  R_HPY<4>8HT6FS6FS<2>7EQ7EP8DP9CO<10>F5G
  }

cn003              {
  reset=1960 type=complexnewton passes=1
  center-mag=-0.25368676421312000/+0.04871428373091380/0.4439474/1.0324
  params=0/4/1/0 float=y outside=summ periodicity=0
  colors=000G4F<4>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0fH0<9>S70R60\
  Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvnrulqt<2>hnsf\
  mrelqdkpcjo<24>AJQ8HP7GO5FN4EM2CK<2>05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`J\
  R_HPY<4>8HT6FS6FS<2>7EQ7EP8DP9CO<10>F5G
  }

cn004              {
  reset=1960 type=complexnewton passes=t
  center-mag=-0.25368676421312000/+0.04871428373091380/0.4439474/1.0324
  params=0/4/1/0 float=y fillcolor=155 outside=summ periodicity=0
  colors=000G4F<4>J1BK0AM3A<14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0fH0<9>S70R60\
  Q50P50O40<3>J10H00I11<38>jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvnrulqt<2>hnsf\
  mrelqdkpcjo<24>AJQ8HP7GO5FN4EM2CK<2>05A<6>1JR1LU3MV<26>vyw<18>PXbNVaLT`J\
  R_HPY<4>8HT6FS6FS<2>7EQ7EP8DP9CO<10>F5G
  }

ej025              {
  reset=1960 type=escher_julia passes=t
  center-mag=+0.99897330524621600/+0.98900389067979570/25982.06/1/147.499
  params=0.32/0.043 float=y maxiter=170 fillcolor=124
  inside=epsiloncross outside=atan invert=0.0086/1/1 decomp=256
  biomorph=3
  colors=000BBS<12>zzz<14>44N000<15>WWW<14>000<15>z00<15>000<15>0zz<15>000\
  <15>00z<15>000<15>zz0<15>000<15>0z0<15>000<15>z0z<14>40400K33M77P
  }

pj001              {
  reset=1960 type=popcornjul passes=1
  center-mag=+0.08320617650000001/+1.34449768000000000/3.714982/0.8843
  params=0.05 float=y logmode=fly
  colors=000kpp<12>PXbNVaLT`JR_HPY<4>8HT6FS6FS<2>7EQ7EP8DP9CO<16>J1BK0AM3A\
  <14>zt0<13>tb0ta0s_0rZ0<6>iL0hJ0gI0fH0<9>S70R60Q50P50O40<3>J10H00I11<38>\
  jfbkgclhe<11>vuuwwwvww<2>ruwqtvosvnrulqt<2>hnsfmrelqdkpcjo<24>AJQ8HP7GO5\
  FN4EM2CK<2>05A<6>1JR1LU3MV<26>vyw<4>mqr
  }

pj003              {
  reset=1960 type=popcornjul passes=1
  center-mag=+0.08320617650000001/+1.34449768000000000/3.714982/0.8843
  params=0.05 float=y logmode=fly
  colors=000aah<6>apw`kr<20>85B62866C<9>EitMgg<3>ys8<14>Y6dW2gT3f<6>3E_<8>\
  hMAbMD<22>5mF7jH<8>6ai5`m7_l<21>y0Ov5Q<7>vVI<7>yNhTXe<32>c1ud0vd1t<11>oE\
  XpFVoFV<20>EDD<12>d39a6C<14>a_f
  }




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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: (fractint) Fractal Noise
Date: 18 May 1999 11:45:29 GMT

Could someone please explane to me what "1/f fractal noise" is? Is it
somehow related to the Fourier series?

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) We haven't ALL gone to UF
Date: 18 May 1999 14:41:56 -0300


De: Tony Hanmer <[e-mail]>
Data: Ter=E7a-feira, 18 de Maio de 1999 03:05
Assunto: (fractint) We haven't ALL gone to UF



>1bj036             {
>  reset=3D1960 type=3Dbarnsleyj1 passes=3D1


Is there any specific reason you use pass=3D1, instead of the guessing me=
thod?
I want first to thank you that the fracals were nice and very quick, so i=
t=B4s
just curiosity. I got folllowing reuslts:
23.79 seconds with the 1 pass method
21.26 seconds with the guessing mthod.

I know it=B4s not a great difference, but it _is_ technically more eficie=
nt to
use the guessing method. Am I right in supposing that you use the 1 pass
method because it=B4s beautiful to see image _scrolling_ down the screen?

Best regards,
Bresslau


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-------------------------------------------------------------------------------

From: "Iain G. Stirling" <[e-mail]>
Subject: Re: (fractint) Fractal Noise
Date: 18 May 1999 22:13:36 +0100

Organization:       De Montfort Uni Milton Keynes
Date sent:          Tue, 18 May 1999 11:45:29 GMT
Send reply to:      [e-mail]

> Could someone please explane to me what "1/f fractal noise" is? Is it
> somehow related to the Fourier series?
>
> ---------------------------------
> Nam et ipsa scientia potestus est!
> (Sir Francis Bacon)
> Andrew Orphi Coppin
> DMU MK.
>

The crux of this matter is homogeneous power functions. For
example:

f(x)=k * x ^ a

In the 1/f fractal noise case, we have x being frequency, and the
exponent a = -1. The 'fractal' bit here is self-similarity; when x is
scaled by a factor (x -> Bx) the overall shape of the function
remains unchanged, although the constant factor k is scaled (k ->
k * B ^ a).

Noting that our x is frequency, what we really have is a
homogeneous power law which describes the frequency domain.
This is essentially a Fourier Series.

Now to the 'noise' bit. If we have an electrical or audio signal whose
Fourier Transform ('cos we can't really take the Fourier Series in
real life...) has a shape described by a homogeneous power law
with exponent a = -1, then we have a signal that could be deemed
'1/f fractal'. If it were simply noise, then it would be '1/f fractal
noise'.

This term has become quite ubiquitous due to the nature of many
statistical systems in real life, for example rainfall figures, and the
stock market. These systems show fluctuations that have self-
similar shapes in the time domain (i.e. a period of fluctuation over a
small amplitude range and a short period of time (e.g. stock prices
in a week) could look very similar to a period of fluctuation over a
large amplitude range and a long period of time (e.g. stock prices
in 10 years)). This means these systems will obey homogeneous
power laws in the frequency domain. Note that the exponent is not
necessarily a = -1. Hence all 'fractal noise' is not necessarily '1/f' in
nature!

Lastly, a good reason for why '1/f' is significant. Apparently, when
listening to audio with a frequency spectrum which obeys a
homogeneous power law with an exponent of a = -1, the
stimulation of the brain by the ear is very constant. This means
that music which has a roughly '1/f' characteristic sounds pleasing,
and is relaxing. Much of the music we listen to, especially
classical, has this characteristic.

Hope this provides the information you require.

Iain G. Stirling

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-------------------------------------------------------------------------------

From: "Bresslau" <[e-mail]>
Subject: Re: (fractint) We haven't ALL gone to UF
Date: 18 May 1999 16:00:14 -0300


-----Mensagem original-----
De: Tony Hanmer <[e-mail]>
Para: [e-mail] <[e-mail]>
Data: Ter=E7a-feira, 18 de Maio de 1999 03:05
Assunto: (fractint) We haven't ALL gone to UF



>cn004              {
>  reset=3D1960 type=3Dcomplexnewton passes=3Dt


Here you used tesseral and the borders were kept on great one-color areas=
. I
tried using tesseral with my pars, and didn=B4t achive this great effect.=
 How
do you do it?


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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) We haven't AL
Date: 18 May 1999 18:55:24 -0400

Bresslau,

>> I know it's not a great difference, but it _is_ technically more
eficient to use the guessing method. Am I right in supposing that you use=

the 1 pass method because it's beautiful to see image _scrolling_ down th=
e
screen? <<

Any of the guessing methods will often guess wrong.  Passes=3D1 is used t=
o
insure more accuracy in the rendering on an image, particularly for very
chaotic images.

Lee

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-------------------------------------------------------------------------------

From: "Jay Hill" <[e-mail]>
Subject: Re: (fractint) Choose yur picture before downloading the par.
Date: 18 May 1999 19:10:46 -0700

Deleting much header and footer  :-) =20

I get a vision of clicking my way through a fractal mall where I=20
get messages like "Add to cart" and then finally I go to the=20
check out counter and to get my pars. The box boy says=20
"plastic or paper" ah er "email or download" and packs up=20
the pars into a single par file, then zips em up.  Then I can=20
click to download (ftp like) or get it in email as an attachment.=20
I think I'm getting VONS and Amazon mixed up here - oh well,
I read that Amazon just bought a grocery store.

Jay

----------
> From: Jack Baker <[e-mail]>
> To: [e-mail]
> Subject: Re: (fractint) Choose yur picture before downloading the par.
> Date: Monday, May 17, 1999 8:42 PM
>=20
> Pretty good idea, and it really would not be to hard to do.  Just gotta=
 get=20
> the web space and time to get it done.  Perhaps on a server like xoom.c=
om???=20
>   Anyway, a simple CGI would probably be fine, and all that would be=20
> necessary for the graphics would be a thumbnail.  The user could downlo=
ad=20
> any pars that they were intrigued by and view the larger graphic at the=
ir=20
> leisure.  Anybody out there want to jump on board here?????
>=20
> -Jack
>=20
>=20
>=20
> I just had an idea:
> what if there where a site where you could see a preview of the pars yo=
u
> were going to download? Somethng like a thumbnail page with checkboxes =
for
> each picture. you like the picture, you check it. Then you post the for=
m and
> a par file with all the pars for the pics you checked is created specia=
lly
> for you.
> This was the idea. I downloaded lots of huge par files with hundreds of
> pictures without havin a hint to what they contained. My pars are reall=
y a
> mess and I don=B4t have time to process each of them to see what comes =
up.
> Maybe if I could download only what I wanted, I could still have a beau=
tiful
> collection of fractals without having the trouble to select them one by=
 one
> after they were generated.
> I don=B4t know nothing about web deisgn /programming, and I don=B4t kno=
w if this
> is a good idea. But if anybody likes it, please use it.
> Bresslau
>=20
>=20

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) We haven't ALL gone to UF
Date: 18 May 1999 21:18:39 -0600


Solid guessing is good for sets that are "connected" (the M-set has
been proved connected, but not necessarily locally connected, I
believe).  "Connected" has a specific mathematical meaning, but just
think of it as the concept of the interior of the set being one single
piece that can't be partitioned into multiple disjoint areas.

There are julia sets that are "totally disconnected" meaning that they
can be separated into an infinite collection of disjoint pieces.
Solid guessing makes many mistakes when used to render a totally
disconnected fractal.  Solid guessing is an approximation; for
connected sets like the classic M, the approximation is valid.  For
disconnected sets, the approximation will produce many errors in the
rendering.  (The solid guessing algorithm will conclude that a chunk
of the image is a constant color, when in fact there is a little
island of fractal hiding in the middle that was missed by solid
guessing.)

You can always compare passes=1 (or even passes=3, since passes=1,2,3
all result in the same picture, only the pixels are computed in a
different sequence) to passes=g to see if there is any difference on
your particular fractal.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) We haven't ALL gone to UF
Date: 19 May 1999 10:30:44 +0200

Where can one obtain the proof that the M-set is connected?

-------------------------
Randall Britten



-----Original Message-----
[mailto:[e-mail]] On Behalf Of Phil McRevis
Sent:    Wednesday 19 May 1999 05:19


Solid guessing is good for sets that are "connected" (the M-set has
been proved connected, but not necessarily locally connected, I
believe).  "Connected" has a specific mathematical meaning, but just
think of it as the concept of the interior of the set being one single
piece that can't be partitioned into multiple disjoint areas.

There are julia sets that are "totally disconnected" meaning that they
can be separated into an infinite collection of disjoint pieces.
Solid guessing makes many mistakes when used to render a totally
disconnected fractal.  Solid guessing is an approximation; for
connected sets like the classic M, the approximation is valid.  For
disconnected sets, the approximation will produce many errors in the
rendering.  (The solid guessing algorithm will conclude that a chunk
of the image is a constant color, when in fact there is a little
island of fractal hiding in the middle that was missed by solid
guessing.)

You can always compare passes=1 (or even passes=3, since passes=1,2,3
all result in the same picture, only the pixels are computed in a
different sequence) to passes=g to see if there is any difference on
your particular fractal.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Andrew Coppin" <[e-mail]>
Subject: (fractint) Fractal Noise
Date: 19 May 1999 13:00:36 GMT

So how does one actually *calculate* some fractal noise (with any
exponent)? It sounds fasinating.

Nam et ipsa scientia potestus est!
(Sir Francis Bacon)
Andrew Orphi Coppin
DMU MK.

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: (fractint) Re: Connectedness of M
Date: 19 May 1999 11:47:26 -0600


In article <000801bea1d1$e4e2d3e0$[e-mail]>,
    "Randall Britten" <[e-mail]>  writes:

> Where can one obtain the proof that the M-set is connected?

According to "Chaos and Fractals", by Peitgen, Jurgens and Saupe, pg.
849:

    "[...] the Mandelbrot set is connected.  This is known since 1982
    through a paper of Douady and Hubbard, in which they showed that
    the encirclement of the Mandelbrot set always generates domains
    which are bounded by circle-like curves.  If the encirclement is
    properly manufactured it can be shown that the bounding curves are
    in fact equipotentials of the Mandelbrot set."

The paper mentioned in that paragraph is given as

    A. Douady, J. H. Hubbard, "Iteration des polynomes quadratiques
    complexes", CRAS Paris 294 (1982) 123-126.

All my other references quote the result from this paper and refer you
to the paper fro the proof.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Wayne Kiely" <[e-mail]>
Subject: Re: (fractint) We haven't ALL gone to UF
Date: 18 May 1999 20:27:07 +0930

Tony,

>... Some recent work.

And nice work at that.  I especially liked bm007 (the fractured chaotic edge) and cn002.

Regards,

Wayne


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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) quickie pars
Date: 20 May 1999 00:20:40 EDT

We haven't All...but its damn close isn't it?
A couple pars and a couple formulas

Im not a prolific par generator and more often than not I get hooked on the
geometry or logic rather than the art but sometimes it just looks good.

Tony Hanmer....BM007 was my favorite, looked great

Edgy_infinity      { ; (c) R Parracho May 05, 1999 t=  0:07:10.56 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may002 passes=1 center-mag=0.618064/1.33263/11.44689
  float=y logmap=14 periodicity=0
  colors=000300700900<3>P30S40X60`70<3>qE0uF0zI0zK0zM0zP0zS0zU0zW0zZ0za0ze\
  0<2>zm0zp0zt0zv0zy0zv2zt4<2>zjAzgCzeEzaGzZIzWKzUMzSOzPQ<2>zIWuFY<2>iAcd8\
  e`7gX6iS4k<3>D1s90u70w30y000000300700900<3>P30S40X60`70<3>qE0uF0zI0zK0zM\
  0zP0zS0zU0zW0zZ0za0ze0<2>zm0zp0zt0zv0zy2zv4zt6<2>zjCzgEzeGzaIzZKzWMzUOzS\
  QzPS<2>zIYuF_<2>iAed8g`7iX6kS4m<3>D1u90w70y300000000300700900<3>P30S40X6\
  0`70<3>qE0uF0zI0zK0zM0zP0zS0zU0zW0zZ0za0ze0<2>zm0zp0zt0zv2zy4zv6zt8<2>zj\
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  q<3>D1y
  }

rsp_modular        { ; (c) R Parracho May 10, 1999 t=  0:01:27.61 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may005 center-mag=-0.453568/0/0.6666667
  params=7/0/5/0 float=y maxiter=256 inside=2 outside=summ
  periodicity=0
  colors=000000<12>jvVLT`MaSZyR6PDa8qSJ55mTD9`SWo2s6bDrj0GMjxmivjfj6pufUJu\
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  6zKywMiWPBofkglYH9fNNNm
  }

serps_mand1        { ; (c) R Parracho May 13, 1999 t=  0:04:41.22 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may007 passes=1 center-mag=-0.983412/0.3238/13.33333
  params=8/0/4/0 float=y inside=2 periodicity=0
  colors=000000<7>hPU<6>xdi<8>7ST<6>69W<2>NPVTVUZ`TdfTjlSprRvxQ<27>gQWfOXg\
  OchOjiPq<13>cpvbswcrw<13>sYwuWxuWw<13>yY`zZZzZZ<13>zVgzUhxVi<13>XpxVrzUr\
  w<14>0d8<15>eHuhFyhFy<28>wOgxPfxPd<15>oL0<13>iVuhWziTz<3>oGypGypHz
  }

web_spinner        { ; (c) R Parracho May 13, 1999 t=  0:03:48.60 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may008
  center-mag=+0.33521126760563420/+0.05198329853862181/98.03922
  params=2/0/4/0 float=y inside=2 periodicity=0
  colors=000000<12>jvV<4>yyb<6>j0G<10>BBJ<16>Kyw<17>7hc1SuPbeNxWVd7Ienotvw\
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  `IT6zKywMiWPBofkglYH9fNNNm
  }

rsp_mandradius     { ; (c) R Parracho May 19, 1999 t=  0:13:56.90 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may011 passes=1 center-mag=-0.613881/0/0.6666667
  params=0.25/0 float=y maxiter=256 periodicity=0
  colors=000000<7>hPU<6>xdi<8>7ST<6>69W<2>NPVTVUZ`TdfTjlSprRvxQ<27>gQWfOXg\
  OchOjiPq<13>cpvbswcrw<13>sYwuWxuWw<13>yY`zZZzZZ<13>zVgzUhxVi<13>XpxVrzUr\
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  }

rsp_juliradius     { ; (c) R Parracho May 19, 1999 t=  0:03:44.04 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may012 center-mag=0/0/0.6666667
  params=0.15/0/-0.768/0.13 float=y maxiter=256 periodicity=0
  colors=000000<7>hPU<6>xdi<8>7ST<6>69W<2>NPVTVUZ`TdfTjlSprRvxQ<27>gQWfOXg\
  OchOjiPq<13>cpvbswcrw<13>sYwuWxuWw<13>yY`zZZzZZ<13>zVgzUhxVi<13>XpxVrzUr\
  w<14>0d8<15>eHuhFyhFy<28>wOgxPfxPd<15>oL0<13>iVuhWziTz<3>oGypGypHz
  }

rsp_mandradiusz    { ; (c) R Parracho May 19, 1999 t=  1:15:32.28 66mhz
  reset=1960 type=formula formulafile=rsp_may.frm
  formulaname=rsp_may011 passes=1
  center-mag=0.105572/0.571056/5.464481 params=0.25/0 float=y
  maxiter=256 periodicity=0
  colors=000000<7>hPU<6>xdi<8>7ST<6>69W<2>NPVTVUZ`TdfTjlSprRvxQ<27>gQWfOXg\
  OchOjiPq<13>cpvbswcrw<13>sYwuWxuWw<13>yY`zZZzZZ<13>zVgzUhxVi<13>XpxVrzUr\
  w<14>0d8<15>eHuhFyhFy<28>wOgxPfxPd<15>oL0<13>iVuhWziTz<3>oGypGypHz
  }

frm:rsp_may002{
    z=10*pixel
    a=z, an=1, n=i=0,
    :
    i=i+.5, n=a-i,
    an=an*n/(z^n), oz=z,
    z=1+z+an
    |z-oz|>.00001
    }

frm:rsp_may005 {
    z=w=c=pixel, n=p1,
    :
    w=w*w+c, z=(w-floor(w))*n
    |w|<p2
    }

frm:rsp_may007 {
    z=w=pixel, c=pixel, n=p1
    :
    z=z*z+c, w=(w-floor(w))*n
    |z|<p2  || |w|>n
    }

frm:rsp_may008 {
    z=w=pixel, c=pixel, n=p1,
    :
    z=z*z+c, w=(z/n-floor(z/n))*n
    |z|<p2  || |w|>n
    }

frm:rsp_may011(xaxis){
    n=a=b=c=d=e=f=g=f0=f1=0
    u=pixel, z=0, cc=pixel
    :
    n=n+1
    u=u*u+cc, a0=real(u), a1=imag(u),
    v=u*u+cc, b0=real(v), b1=imag(v),
    w=v*v+cc, c0=real(w), c1=imag(w),
    a=b0-a0, b=b1-a1, c=c0-a0, d=c1-a1
    e=a*(a0+b0) + b*(a1+b1),
    f=c*(a0+c0) + d*(a1+c1),
    g=2*(a*(c1-b1)-b*(c0-b0)),
    f0=(d*e-b*g)/f, f1=(a*g-c*e)/f,
    r2=sqrt((a0-f0)*(a0-f0)+(a1-f1)*(a1-f1)),
    z=ceil(cabs(v-u)+cabs(w-v)), count=n
    (|z|>=|r2*p1|)  || (count>257)
    }

rsp_may012{
    n=a=b=c=d=e=f=g=f0=f1=0
    u=pixel, z=0,
    cc=p2
    :
    n=n+1
    u=u*u+cc, a0=real(u), a1=imag(u),
    v=u*u+cc, b0=real(v), b1=imag(v),
    w=v*v+cc, c0=real(w), c1=imag(w),
    a=b0-a0, b=b1-a1, c=c0-a0, d=c1-a1
    e=a*(a0+b0) + b*(a1+b1),
    f=c*(a0+c0) + d*(a1+c1),
    g=2*(a*(c1-b1)-b*(c0-b0))
    f0=(d*e-b*g)/f, f1=(a*g-c*e)/f
    r2=sqrt((a0-f0)*(a0-f0)+(a1-f1)*(a1-f1)),
    z=ceil(cabs(v-u)+cabs(w-v)), count=n
    (|z|>=|r2*p1|)  || (count>257)
    }


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) quickie pars
Date: 20 May 1999 12:07:42 -0600


In article <[e-mail]>,
    [e-mail]  writes:

> We haven't All...but its damn close isn't it?

<shrug>  I haven't even taken time to download UF because I'm working
on extending fractint by getting rid of the "medium" memory model and
adding a porting interface that makes it easier to port fractint to
some other system like a Mac or BeOS.  Lots of people who were in a
position to contribute something to fractint were put off by all the
restrictions of working in a 640K overlaid medium-memory model.  The
code itself goes through many contortions and backflips just to fit
into this 8088 style model of programming.  The next evolution of
fractint will leave 8088/80286 machines behind but will provide a
significantly easier environment for casual programmers to add new
features.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Allison, Joshua" <[e-mail]>
Subject: (fractint) Fractint on NT
Date: 20 May 1999 15:17:34 -0500

Has anyone had any experience with fractint on NT?

Joshua

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Fractint on NT
Date: 20 May 1999 14:42:41 -0600


In article <[e-mail]>,
    "Allison, Joshua" <[e-mail]>  writes:

> Has anyone had any experience with fractint on NT?

Some people have reported success; others have reported problems.
Expect fractint to evolve soon (not the next release, but maybe the
release after that) into a native Win32 client where these problems
of DOS compatability disappear.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) quickie pars
Date: 20 May 1999 18:34:36 EDT

I know the new version of fractint is in the oven...and i'm sure UF has put a
lot of pressure on its (fractint's) development.  To be honest I think
fractint is excellent.  All of fractints' bells and whistles still turn me
on.  I don't make money or consider my self an artist or a mathematician just
a frequent weekend fragler...all

best regards,
Rui


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) quickie pars
Date: 20 May 1999 16:56:21 -0600


In article <[e-mail]>,
    [e-mail]  writes:

> ...and i'm sure UF has put a
> lot of pressure on its (fractint's) development.

<again I shrug :>  My impetus for extending fractint doesn't have
anything to do with "pressure" from UF.  I have written my own fractal
software in the past, mostly to test out little tricks for isolated
images -- see <http://www.xmission.com/~legalize/fractals/> where I
wrote my own software to compute the hue and texture colorings of M.  I
had considered doing an UF-like thing whereby I wrote my own fractal
imaging app from the ground-up.  However, every time I considered doing
that it always stuck in my craw that I'd be reinventing everything
fractint already had.  In the end, I decided it would be better for me
and the fractal community at large if I extended fractint rather than
reinvent the wheel.

My investigations into fractint source code quickly revealed that I
wouldn't be able to add any of my whizz-bang ideas to fractint until
a stake was driven into the heart of the medium memory model first.
I was hoping someone else would do this, but noone waved their hands
and said "I'll do this!".  Sure, everyone wants to do a Win32 "port"
but noone wants to deal with the realities of such a port: medium
memory model must go.  This is a rather unglamorous, extensive and
tedious programming task that doesn't have the ego-salve of glory that
most people seem to want.  So rather than contribute back to the
fractint community, they lurk on the sidelines or reinvent the wheel
to build a shrine to their own ego.

Does anyone here truly have any idea how huge fractint is?  In source
code its about 137,700 lines of source code comprising about 500K of
storage.  When printed out double sided it amounts to a 6 inch thick
printout -- not including the help file sources.  Its a minor miracle
of software engineering that it still runs on an 8088 with 640K of
memory.

This is, of course, my opinion and not any "official" statement on
behalf of fractint developers.  If you were offended by what I said,
then I must have said something important. :-)
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) quickie pars
Date: 20 May 1999 19:52:35 EDT

In a message dated 5/20/99 6:59:02 PM Eastern Daylight Time,
[e-mail] writes:

> If you were offended by what I said,
>  then I must have said something important. :-)

I wasn't offended, nor did I mean to offend.  In anyway am I minimizing the
grand accomplishment that fractint is and will continue to be.

Regards,
Rui


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-------------------------------------------------------------------------------

From: "David J. Dollevoet" <[e-mail]>
Subject: (fractint) Pars
Date: 20 May 1999 20:51:13 -0500

This is a multi-part message in MIME format.
--------------2BE859CBD5174A596C5B1627
Content-Type: multipart/alternative; boundary="------------2D855D714AD3C03C7347996E"


--------------2D855D714AD3C03C7347996E
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Here are some julia(fn||fn) and lambda(fn||fn) pars.  Some use a bailout
value much lower than the default value of 64.

--------------2D855D714AD3C03C7347996E
Content-Type: text/html; charset=us-ascii
Content-Transfer-Encoding: 7bit

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<FONT FACE="Times New Roman,Times">Here are some julia(fn||fn) and lambda(fn||fn)
pars.  Some use a bailout value much lower than the default value
of 64.</FONT></HTML>

--------------2D855D714AD3C03C7347996E--

--------------2BE859CBD5174A596C5B1627
Content-Type: application/x-unknown-content-type-PAR_auto_file; name="990520c.PAR"
Content-Transfer-Encoding: base64
Content-Disposition: inline; filename="990520c.PAR"

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UE93TUx2Skl1R0Y8NT5uQUc8ND4xUE01TVJBSVdFR2E8Mj5TUHFXVHdfV3o8ND52a196Z1Y8
ND5kUzNfUDlXXA0KICBNRVNJS05HUDw0PjFXbzVadUFhekVlekpodU5rbzw4PnpJMzw4Pk5r
b0prdUVnekFkejVhdTFabzBWajwyPkRNVklJUE1HSzxcDQogIDI+WlAzY1QwPDQ+eWhSdWtX
PDQ+WlZ3PDI+TU1mSUlhREdXOUpSNE1NPDQ+eVpPeV9HemE4PDc+cXcyPDI+enowd3oyc3k0
cFwNCiAgeDc8OT5WT2s8Mj5gVXI8Mj5mRHo8Mz5WZmk8OD40eDcwejA8Nj5OejA8NT56ejA8
OD56MDB6MzN5Nzd3Q0I8Mz5wTmY8NT5hXA0KICB6dVh3dVJ0dDw0PmVlZTwyPkxMTA0KICB9
DQoNCg==
--------------2BE859CBD5174A596C5B1627--


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-------------------------------------------------------------------------------

From: Bob Margolis <[e-mail]>
Subject: (fractint) Some Useful Fractal Links
Date: 20 May 1999 22:27:46 -0500

http://archives.math.utk.edu/topics/fractals.html

Submitted by Bob Margolis.

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From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) Fractal Noise
Date: 21 May 1999 11:35:10 +0200

I was reading Martin Gardner's book "Fractal Music, Hypercards and More" and
the chapter on Fractal Music describes 1/f signals in layman's terms quite
nicely.

Having an intuitive understanding of how one can create a 1/f signal, and
where they occur naturally is also worthwhile, so I will try and explain
what I learnt.

To start with, 1/f signals are contrasted with "white noise" and "brown
noise"

White noise is the typical hissing you hear if your radio receiving on a
frequency that no one is transmitting on.
To generate a white noise signal with dice would simply be a matter of
having say 3 dice, and throwing all three and totalling their scores at each
throw.  The possible range would be from 3 to 18, but 3's and 18's would be
rare compared to 10's and 11's, in fact on average the throw would be 10.5.
The popularity of the various scores is a "bell curve"/ normally
distributed.
The sequence is a white noise signal, and example would be 8, 12, 15, 4, 17,
11, etc.
(The sequence can be shifted to be 'symmetrical' about 0 by subtracting 10.5
from each value.)

Brown (for Brownian) noise is obtained by renumbering one dice as
follows -2.5, -1.5, -0.5,  0.5, 1.5, 2.5
Now, start on 0.  To get the next value in the sequence throw the dice and
add it to the previous value.
This is like a "random walk", and the motion of microscopic particles in
solutions is "brownian".

Now, white noise is always totally random, and the signal never "correlates"
with itself.   I.e. take a splice of the signal and compare it with all
other parts of the signal and there is always no correlation, no matter
which splice you start with and which other part you compare it to.  This is
a "power function" which is 1 for a phase shift of 0 (i.e. the signal only
compares to itself exactly), and 0 everywhere else.  Gardner says this is a
1/f^0 signal.  A brown signal is a 1/f^2 signal (I have no idea why), so
midway between them is 1/f noise.

Now, my point was to show how to use dice to generate a 1/f signal, since
knowing that its power function is 1/f doesn't really help intuitively (at
first anyway).

My approach is as follows: similar to the way the dice was numbered for
brown noise, number each of three dice -2.5, -1.5, -0.5,  0.5, 1.5, 2.5
Start with 0.
For each subsequent value of the sequence, throw and total all three dice,
but divide by three and add to the previous value.

It is similar to brown noise.  In both brown and 1/f, the next value depends
on the previous value + some random value.
But in a brown signal, this random value is "uniformly distributed", whereas
in a 1/f signal this random value is "normally distributed" (i.e. bell
curve).

Where do 1/f signals arise naturally?
Almost everywhere in nature, and in real life: the levels of a river, the
price of a stock market share, the density of the traffic etc.

The general rule is anything that that behaves almost randomly, but depends
on its previous state.  The next sample will vary from the previous sample
by some normally distributed random value.  The chances of a smaller
variation from the previous value are higher than the chances of a larger
variation.

Melodic music is 1/f in that the next note differs from the previous note
usually by a small number of tones, but sometimes by a larger difference.
Also the note durations are like a 1/f signal.  Martin argues that we enjoy
melodic music because it is like our everyday experience in life which is
full of 1/f signals.

(Note, the process I have described for generating a 1/f signal is different
from Gardner's simpler version which he states only generates an
approximately 1/f signal.  Also, the white signal process I described could
have been "normalised with the others" by subtracting 10.5 and dividing by
3).

Hope that helps.

-------------------------
Randall Britten






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-------------------------------------------------------------------------------

From: Guy Marson <[e-mail]>
Subject: Re: (fractint) Some Useful Fractal Links
Date: 21 May 1999 13:39:23 +0200

At 22:27 20.05.1999 -0500, you wrote:
>http://archives.math.utk.edu/topics/fractals.html
>
>Submitted by Bob Margolis.
>

Thanks Bob, very useful!!!


Guy




Guy Marson
45b, rue de Bettembourg
L-5810 Hesperange
(Luxembourg, Europe)


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-------------------------------------------------------------------------------

From:    "Fliguer, Miguel" <[e-mail]>
Subject: RE: (fractint) Fractint on NT
Date: 21 May 1999 09:42:51 -0300

I got Fractint 19.6 working at SF5 (640x480x256)
on a Vectra VE (Pentium II 300 MHz) under NT 4.0 WS
The video hardware is on the motherboard and
reports itself as Integrated SiS 6205.

SF5 is the best I could get (some people on this list
were amazed I could use a VESA mode under NT)

Good luck
Miguel Fliguer - Buenos Aires, Argentina
Franktal Gallery
http://members.xoom.com/fliguer/franktal.html

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-------------------------------------------------------------------------------

From: Barry N Merenoff <[e-mail]>
Subject: (fractint) Re: 1/f Noise
Date: 21 May 1999 10:29:16 -0400

Two questions:

In music with a "strong beat," is the frequency of the rhythm an exceptio=
n
to the 1/f scaling?

I don't understand how the algorithm presented for 1/f noise could work.
Can you point me to a proof, or if it's an approximation, can you tell me=

the exact version? (I am not intimidated by math, and I am somewhat
familiar with Fourier Series, Taylor Series, and operators. So don't be
afraid to get technical.)

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-------------------------------------------------------------------------------

From: "Kellie Charlynn Angel Findley" <[e-mail]>
Subject: Re: (fractint) Fractint on NT
Date: 21 May 1999 16:04:15 PDT

Actually, it strikes terror in the hearts of those who abhore Windows and=
 remain firmly rooted in DOS that there are many who would like to send =
DOS to the scrap heap.

----------
>
>
> In article <[e-mail]>,
>     "Allison, Joshua" <[e-mail]>  writes:
>
> > Has anyone had any experience with fractint on NT?
>
> Some people have reported success; others have reported problems.
> Expect fractint to evolve soon (not the next release, but maybe the
> release after that) into a native Win32 client where these problems
> of DOS compatability disappear.
> --
> <http://www.xmission.com/~legalize/>    Legalize Adulthood!
>     ``Ain't it funny that they all fire the pistol,
>       at the wrong end of the race?''--PDBT
> [e-mail]    <http://www.eden.com/~thewho>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"



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-------------------------------------------------------------------------------

From: "Dave Hershey (Volt Computer)" <[e-mail]>
Subject: RE: (fractint) Fractint on NT
Date: 21 May 1999 14:20:27 -0700

There will always be the command prompt in NT/Win2k.

--Dave.


-----Original Message-----
Sent: Friday, May 21, 1999 4:04 PM


Actually, it strikes terror in the hearts of those who abhore Windows and
remain firmly rooted in DOS that there are many who would like to send DOS
to the scrap heap.

----------
>
>
> In article <[e-mail]>,
>     "Allison, Joshua" <[e-mail]>  writes:
>
> > Has anyone had any experience with fractint on NT?
>
> Some people have reported success; others have reported problems.
> Expect fractint to evolve soon (not the next release, but maybe the
> release after that) into a native Win32 client where these problems
> of DOS compatability disappear.
> --
> <http://www.xmission.com/~legalize/>    Legalize Adulthood!
>     ``Ain't it funny that they all fire the pistol,
>       at the wrong end of the race?''--PDBT
> [e-mail]    <http://www.eden.com/~thewho>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"



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-------------------------------------------------------------------------------

From: "Kellie Charlynn Angel Findley" <[e-mail]>
Subject: Re: (fractint) Fractint on NT
Date: 21 May 1999 17:39:52 PDT

Yes, but many of the older DOS programs end up with quirks when run in =
Window's pseudo "DOS" mode.  IMHO, Windows was the worst thing that ever =
happened to a computer.  I really can't say one nice thing about it, and =
yes, I am fully literate in it.

----------
>
> There will always be the command prompt in NT/Win2k.
>
> --Dave.
>
>
> -----Original Message-----
> From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> Sent: Friday, May 21, 1999 4:04 PM
> To: [e-mail]; [e-mail]
> Subject: Re: (fractint) Fractint on NT
>
>
> Actually, it strikes terror in the hearts of those who abhore Windows =
and
> remain firmly rooted in DOS that there are many who would like to send =
DOS
> to the scrap heap.
>
> ----------
> >
> >
> > In article <[e-mail]>,
> >     "Allison, Joshua" <[e-mail]>  writes:
> >
> > > Has anyone had any experience with fractint on NT?
> >
> > Some people have reported success; others have reported problems.
> > Expect fractint to evolve soon (not the next release, but maybe the
> > release after that) into a native Win32 client where these problems
> > of DOS compatability disappear.
> > --
> > <http://www.xmission.com/~legalize/>    Legalize Adulthood!
> >     ``Ain't it funny that they all fire the pistol,
> >       at the wrong end of the race?''--PDBT
> > [e-mail]    <http://www.eden.com/~thewho>
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
> > Get Commands:   [e-mail] "help"
> > Administrator:  [e-mail]
> > Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
> Get Commands:   [e-mail] "help"
> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
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> Unsubscribe:    [e-mail] "unsubscribe fractint"



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Bug in Fractint 19.6
Date: 21 May 1999 22:00:29 MDT

I appear to have stumbled on a bug in Fractint 19.6. I have a rather deep=

deepzoom, with iterations starting at about 15000 and the maxiter set to
262144. Using logmap, I find large sections of the image to be solid colo=
r
255. I have tried using logmap =3D -2 and raising maxiter to 1048576 and
1000000, to no avail. THe logmap does not stretch all the way to maxiter,=
 and
this is a bug.


Please submit a corrected version 19.7 on the Spanky website within 24 ho=
urs,
as this problem needs to be resolved urgently. Your bug has already cause=
d a
24 hour work stoppage on a certain project. Moreover, I seem to recall th=
is
bug existed before and was corrected; it would appear someone has reintro=
duced
it somehow.




____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1

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-------------------------------------------------------------------------------

From: "David J. Dollevoet" <[e-mail]>
Subject: (fractint) julia(fn||fn) and lambda(fn||fn) pars
Date: 21 May 1999 23:07:53 -0500

My prior transmission of these pars appears to have gone badly.  Sorry
for the mistake, and allow me to try again.

Here are some julia(fn||fn) and lambda(fn||fn) pars.  Some use bailout
values much lower than the default bailout value of 64.

FAJ01 {; (c) David J. Dollevoet 1997 julia(fn||fn)
reset=1960 type=julia(fn||fn) function=ident/exp passes=2
center-mag=+0.27595252985826380/+1.48114930537457000/1.586538
params=0.1486321356960236/0.1748726524900207/1 float=y maxiter=48
bailout=64 inside=0 periodicity=0
colors=000hMh<4>0ga<2>0ol<4>bzb<8>CUCCUE<7>UttQrr<5>AVVAVVAUW<6>Njz<2>0b\

z<3>0Nb<6>bbzYYwTTtPPqLLnIIjGGf<4>c5A<13>vkF<3>`_A<4>vkF<3>BM37K2<3>RF3W\

E3ZC3gB3hA3q84r74z55<2>U94ND4IK47L55V94cD2nK<4>69c<6>uFloJgjMc<5>cfSajQ`\

nOZrLWlN<6>77Z<7>Zrl<4>pPusJwuDyz7zuFysJw<5>Zrl<7>77Z<2>OMYTRXZWWdaV_XR<\

2>JGF<2>daV<2>JE7B77<4>lljstrzzjzrb<3>YM7<9>zjN<6>JE`<6>sj7<3>lEbgM`<3>O\

lQVnOQpLXmIdjF<3>zEjqIi
}
FAJ02 {; (c) David J. Dollevoet 1998 julia(fn||fn)
reset=1960 type=julia(fn||fn) function=abs/exp passes=2
center-mag=-0.95927230754398800/+1.81309708623016900/2.208168/1/52.499
params=-0.007/0.324/2 float=y maxiter=64 bailout=3 inside=0
periodicity=0
colors=000sWNqQF<2>lb_jgfjbe<3>mIY<2>IHcZTXpdPmaUiYZ<2>pZ7eV6WX5LZ3BQ20H\

0<2>8UIQbEgkArm2xX5yM3yB2<2>pUc<3>zh5<4>4K0FS7rOhjGoa8v<3>7cUlYZ<5>`Ga<6\

>Gr`<4>gYE<5>jo2vrEvkEqiGkgIeeKaaCYYEUUAPPDUSB<5>zkW<2>pV7zbCpQ0sW6pXAcN\

4aO8<2>maUXVV<2>B86<2>hQn<8>cpXVfRLXLBNE4VMBbV`dMegRkjW<3>rK0sO1tSEuXSv`\

dxfsx_iwU`wNRvFIv97mDGcIPUNYMFQE7J77B<4>ljlqopvjzrbz<3>M7YEFQMNJUVB<2>rr\

YzjdzblrVsjNzaFzU7s<2>7VY<2>WrBcjJlbQtVYzNdrFlj7saFzUNzMVsEblMjdUrY<2>rV\

BzNJzFQr7Y<3>MbzEjz7rs<3>H`pfdh<8>GCK<4>URXXV_`Zcb`debe<2>cXVbVRaSM`QI_N\

D<3>eRFgSGiTHkUImVJ<7>uke<2>t_S
}
FAJ03 {; (c) David J. Dollevoet 1998 julia(fn||fn)
reset=1960 type=julia(fn||fn) function=ident/cosh passes=2
center-mag=-0.42946852142954100/+2.13181369209001400/2.05863/1/-72.5
params=0.198/0.583/2 float=y maxiter=96 bailout=4 inside=0
periodicity=0
colors=00005Y<45>Ar_tlA<53>XA6W95X84<2>_54`33_46<13>MIuKKyKKw<16>AZ9MY2<\

3>IU2HT2HUA<5>Ncv<18>ZI7_H4_H5<17>NOSMPULPVKQXJQYIR_<31>zFN<20>65X34X24X\

14X
}
FBJ08 {; (c) David J. Dollevoet 1996 lambda(fn||fn)
reset=1960 type=lambda(fn||fn) function=abs/exp passes=2
center-mag=-0.00000000000000111/+0.00000000000000100/1.987678
params=-0.9524607565308251/1.941297969849246/1 float=y maxiter=36
bailout=4 inside=0 periodicity=0
colors=00000e0e00eee00e0eeL0eeeLLLLLzLzLLzzzLLzLzzzLzzz<14>222<2>HLz<5>m\

LLgTLa`LUiLOqLHzLPpLYeLOUG<2>AAA<10>qqqhkr_esWWUcc`ljhtrozrv<4>MGME8F7G7\

GO7<3>lr`<5>G8`<7>tcU<2>jGoa8v<3>7cUGkMOrFWk7dc7lWFtOMlGUd8`<2>GWv7co7kh\

Gr`<3>lO7tG7z8F<4>MkoLeiJ_bHUW<3>GGG<8>yyy<15>222444<14>yyyWWW<14>222<4>\

CACFCFGABLF7QK7<5>rlVrqZnvb<5>`PiZJkXDlU7nPCjKHfFMbARZ7WV<4>VrB_n7<4>wQR\

<3>d7f<4>HWzC`v7er7inCnjHrf<7>27f
}
FBJ14 {; (c) David J. Dollevoet 1998 lambda(fn||fn)
reset=1910 type=julia(fn||fn) function=asinh/exp passes=2
center-mag=-0.19570580000000000/+1.14999581000000000/2.45098
params=-0.2442346644865087/0.2673575811928863/0.49 float=y
maxiter=112 bailout=6 inside=0 logmap=old periodicity=0
colors=0000FF<9>0cc<15>zzz<15>0cc<10>0DD<6>ffi<3>nru<4>ggdfeadbYb`U<7>OI\

5<6>eYJg_LiaNkcPneR<4>zpa<4>jdWgaVcZT`WSYUR<6>AAK<4>AOS<6>zlO<9>ze4zd2zb\

A<2>wVZ<4>WFD<2>GP0<2>0ZD0aI5dMBhRGjV<6>qPywLuzIp<8>f`eccc___<3>KKK<13>w\

wwqqz<5>00z<15>zz0<15>z00<15>00z03w<2>06L0770AA0CC
}
FBJ17 {; (c) David J. Dollevoet 1999 lambda(fn||fn)
reset=1821 type=lambda(fn||fn) function=flip/exp
center-mag=-0.74400000000000010/+0.55300000000000000/1.803
params=-0.95/-0.55/4 float=y maxiter=102 bailout=38 inside=0
logmap=3 periodicity=0
colors=000DDD<3>rrr<7>QQQ<3>gg_llboob<2>zzezz`<6>aaHYYEUUA<10>waBzbCzbF<\

8>zgg<6>wPOwMLvJIuGF<5>nAG<4>1PM5MRAIWEGa<2>SPqWTw_Wz<4>vk_zgV<4>dS3_P9W\

MESIKNGP<4>1Wo5ZuAazEezJhuNko<8>zI3<8>NkoJkuEgzAdz5au1Zo0Vj<2>DMVIIPMGK<\

2>ZP3cT0<4>yhRukW<4>ZVw<2>MMfIIaDGW9JR4MM<4>yZOy_Gza8<7>qw2<2>zz0wz2sy4p\

x7<9>VOk<2>`Ur<2>fDz<3>Vfi<8>4x70z0<6>Nz0<5>zz0<8>z00z33y77wCB<3>pNf<5>a\

zuXwuRtt<4>eee<2>LLL
}



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-------------------------------------------------------------------------------

From: "Dave Hershey (Volt Computer)" <[e-mail]>
Subject: RE: (fractint) Fractint on NT
Date: 21 May 1999 21:08:15 -0700

Speaking as a STE 2, I can say a few nice things about it.  The most
important nice thing about it is that it pays my rent, puts clothes on my
back, and food into my stomach.  Can something that does all that really be
so bad?  Hmmm?

--Dave.


-----Original Message-----
Sent: Friday, May 21, 1999 5:40 PM


Yes, but many of the older DOS programs end up with quirks when run in
Window's pseudo "DOS" mode.  IMHO, Windows was the worst thing that ever
happened to a computer.  I really can't say one nice thing about it, and
yes, I am fully literate in it.

----------
>
> There will always be the command prompt in NT/Win2k.
>
> --Dave.
>
>
> -----Original Message-----
> From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> Sent: Friday, May 21, 1999 4:04 PM
> To: [e-mail]; [e-mail]
> Subject: Re: (fractint) Fractint on NT
>
>
> Actually, it strikes terror in the hearts of those who abhore Windows and
> remain firmly rooted in DOS that there are many who would like to send DOS
> to the scrap heap.
>
> ----------
> >
> >
> > In article <[e-mail]>,
> >     "Allison, Joshua" <[e-mail]>  writes:
> >
> > > Has anyone had any experience with fractint on NT?
> >
> > Some people have reported success; others have reported problems.
> > Expect fractint to evolve soon (not the next release, but maybe the
> > release after that) into a native Win32 client where these problems
> > of DOS compatability disappear.
> > --
> > <http://www.xmission.com/~legalize/>    Legalize Adulthood!
> >     ``Ain't it funny that they all fire the pistol,
> >       at the wrong end of the race?''--PDBT
> > [e-mail]    <http://www.eden.com/~thewho>
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
> > Get Commands:   [e-mail] "help"
> > Administrator:  [e-mail]
> > Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
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> Administrator:  [e-mail]
> Unsubscribe:    [e-mail] "unsubscribe fractint"
>
> --------------------------------------------------------------
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> Unsubscribe:    [e-mail] "unsubscribe fractint"



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Image browser glitch
Date: 21 May 1999 22:13:32 MDT

The image browser does not seem to recognize deepzooms.


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-------------------------------------------------------------------------------

From: "David J. Dollevoet" <[e-mail]>
Subject: (fractint) printing fractals  --  recent messages
Date: 21 May 1999 23:23:02 -0500

I have managed to print a few fractals at 8"x10" without paying for an
image editor or a printer.  The results were more or less satisfying to
me.


Bundled with my Microsoft Office 97 software package is Microsoft Photo
Editor:
     reads/saves common graphic file formats
     converts 256 color GIF image to 24 bit true color
     resize/crop
     brightness/contrast/gamma
     despeckle
     sharpen/soften
     texturizing
     printing
     only one level of un-do
     no batch processing


Using MS Photo Editor, I converted Fractint GIF format images, generated
at 1600x1200 resolution, to true color JPG files which I saved on
diskettes.  The JPG files averaged about 130 KB.  I printed the images
at slightly larger than 8"x10" on a Kodak Picture Maker printer located
in a near-by department store.  The price was $7 US per print on
8.5"x11" heavy photo print paper with glossy coating.  The Kodak Picture
Maker is a kiosk style machine that includes  printer, monitor, scanner,
CD-ROM reader and 1.44 MB diskette reader.  The CD-ROM reads only a
Kokak proprietary file format, and the diskette reader accepts Kodak and
JPG formats. Some brightness/contrast/color adjustments are available.
The printer is a continuous tone dye sublimation type at 600x600 dpi
resolution in four passes.


I have found this to be an economical port of entry for printing fractal
images.

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-------------------------------------------------------------------------------

From: "Kellie Charlynn Angel Findley" <[e-mail]>
Subject: Re: (fractint) Fractint on NT
Date: 21 May 1999 23:36:22 PDT

Well, I'm happy that you have a job so you can honestly pay your bills, =
but I must admit I still avoid Windows ANYTHING like the plague!  :-)

----------
>
> Speaking as a STE 2, I can say a few nice things about it.  The most
> important nice thing about it is that it pays my rent, puts clothes on =
my
> back, and food into my stomach.  Can something that does all that reall=
y be
> so bad?  Hmmm?
>
> --Dave.
>
>
> -----Original Message-----
> From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> Sent: Friday, May 21, 1999 5:40 PM
> To: [e-mail]; '[e-mail]'
> Subject: Re: (fractint) Fractint on NT
>
>
> Yes, but many of the older DOS programs end up with quirks when run in
> Window's pseudo "DOS" mode.  IMHO, Windows was the worst thing that eve=
r
> happened to a computer.  I really can't say one nice thing about it, =
and
> yes, I am fully literate in it.
>
> ----------
> >
> > There will always be the command prompt in NT/Win2k.
> >
> > --Dave.
> >
> >
> > -----Original Message-----
> > From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> > Sent: Friday, May 21, 1999 4:04 PM
> > To: [e-mail]; [e-mail]
> > Subject: Re: (fractint) Fractint on NT
> >
> >
> > Actually, it strikes terror in the hearts of those who abhore Windows=
 and
> > remain firmly rooted in DOS that there are many who would like to sen=
d DOS
> > to the scrap heap.
> >
> > ----------
> > >
> > >
> > > In article <[e-mail]=
>,
> > >     "Allison, Joshua" <[e-mail]>  writes:
> > >
> > > > Has anyone had any experience with fractint on NT?
> > >
> > > Some people have reported success; others have reported problems.
> > > Expect fractint to evolve soon (not the next release, but maybe the
> > > release after that) into a native Win32 client where these problems
> > > of DOS compatability disappear.
> > > --
> > > <http://www.xmission.com/~legalize/>    Legalize Adulthood!
> > >     ``Ain't it funny that they all fire the pistol,
> > >       at the wrong end of the race?''--PDBT
> > > [e-mail]    <http://www.eden.com/~thewho>
> > >
> > > --------------------------------------------------------------
> > > Thanks for using Fractint, The Fractals and Fractint Discussion Lis=
t
> > > Post Message:   [e-mail]
> > > Get Commands:   [e-mail] "help"
> > > Administrator:  [e-mail]
> > > Unsubscribe:    [e-mail] "unsubscribe fractint"
> >
> >
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
> > Get Commands:   [e-mail] "help"
> > Administrator:  [e-mail]
> > Unsubscribe:    [e-mail] "unsubscribe fractint"
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
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> > Administrator:  [e-mail]
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>
>
>
> --------------------------------------------------------------
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>
> --------------------------------------------------------------
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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Image browser
Date: 22 May 1999 07:47:27 -0400

Paul,

>> The image browser does not seem to recognize deepzooms. <<

True.  But this capability WILL be in the next version of Fractint.  It i=
s
already working in the developer's version.

Lee

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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Bug in Fracti
Date: 22 May 1999 07:47:26 -0400

Paul,

>> I have tried using logmap =3D -2 and raising maxiter to 1048576 and
1000000, to no avail. THe logmap does not stretch all the way to maxiter,=

and this is a bug.<<

Have you tried logmap=3D2 (positive)?

Lee

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Image browser]
Date: 22 May 1999 06:06:44 MDT

Lee Skinner <[e-mail]> wrote:
> Paul,

>> The image browser does not seem to recognize deepzooms. <<

> True.  But this capability WILL be in the next version of Fractint.  It=

> is already working in the developer's version.

I didn't notice this in the known problems section of the dox...

What else is added/fixed in the developer's version? Is that rare arbitra=
ry
precision hang bug fixed? What causes that one? What about this logmap bu=
g I
reported?

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Serious bug ... weird spontaneous image restarts
Date: 22 May 1999 06:12:50 MDT

For some reason, this particular set of parameters (a Mandelbrot deepzoom=
)
consistently gives Fractint trouble.

bug1 {
  reset=3D1960 type=3Dmandel passes=3Dg
  center-mag=3D-1.7492907125823915/7.8096035381e-7/2.198149e+012
  params=3D0/0 float=3Dy maxiter=3D262144 logmap=3D1782
  colors=3D000<55>AK0AK0AL0BM0<51>Ty0Uz0Uz1Vz2<30>mzdnzeozgpzhqzj<10>zzz<=
6>c\
  zi_zfZzf<26>2zL0zK0xK<18>0AK<37>mUz
  }

Run this PAR and it will seem to stop after a while. Use showdot=3D160/4 =
to get
a white indicator and you'll see that it at irregular intervals, it
spontaneously restarts the image for no goddamn reason. It doesn't blank =
the
screen when this happens; it just silently restarts as though you'd diddl=
ed
the maxiter or something else that forces a restart.

Change from guessing to tesseral, b-trace, or some other method and this =
won't
happen. But regardless of the algorithm, if you interrupt it with somethi=
ng
other than tab or f1, even if it's supposed to resume (e.g. you color cyc=
led
or changed the savename) it will restart instead -- and again not clear t=
he
screen.

Interestingly, this image is a perfectly centered zoom-out of the whrlwhr=
l
image, which is the test image for generating the arbitrary precision han=
g.

Zoom out a small amount, centered, to get out of extended precision, and =
no
glitches will occur. Indeed, the only serious bugs in Fractint 19.6 seem =
to
happen only with deepzooms! The logmap bug I reported earlier, the browse=
r
failing to recognize deepzooms, the hang, and now this.

I sincerely hope that the developer's version has the deepzoom feature a =
bit
more polished, and that it will show up on spanky in 24 hours or so...


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Bug in Fracti]
Date: 22 May 1999 06:18:43 MDT

Lee Skinner <[e-mail]> wrote:
> Paul,

>> I have tried using logmap =3D -2 and raising maxiter to 1048576 and
>> 1000000, to no avail. THe logmap does not stretch all the way to
>> maxiter, and this is a bug.

> Have you tried logmap=3D2 (positive)?

That's what I had to begin with =3DP

What's the deal here? The logmap not going past 32767 was supposedly fixe=
d
several versions ago...but it seems to have cropped up again, at least wh=
en
the image is a deepzoom.

Here is a sample PAR. Watch it, it takes a good half hour to go far enoug=
h
through the first pass to show the problem. At least, it takes that long =
on a
400MHz PII...

bug2               {
  reset=3D1821 type=3Dmandel
  center-mag=3D0.29057533335076963489199615/0.01596711197012008269148563/=
3.6\
  63771e+021 params=3D0/0 float=3Dy maxiter=3D5000000 inside=3D0 logmap=3D=
-22230
  colors=3D000zzz<155>72C61B61B50A50A<15>J01K00N21<12>zcK<14>zxazzczzd<18=
>zz\
  z<10>0cd<6>0NA<8>000
  }

Hmm... Wonder why Fractint 19.6 would save this fellow with "reset=3D1821=
"?
Could this be part of the problem? Then again, 18.21 didn't have deepzoom=
s
either...
Gonna try changing it to reset=3D1960 and load it, see if that makes a
difference.

Interesting that 18.21 is the last version of Winfract released, which is=
 the
version that I have. I seem also to recall saving an image with Winfract,=

loading it with Fractint 19.6, and zooming to get the deepzoom above... M=
aybe
Winfract is "contaminating" the images it saves.


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Re: last bug report
Date: 22 May 1999 06:23:31 MDT

Regarding "bug1", I interrupted it and hit tab. It said "Interrupted,
resumable." When I returned, it started over of course... It did NOT say
"nonresumable".


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Logmap bug workaround found
Date: 22 May 1999 07:02:21 MDT

Okay... if you ever have the logmap "plateau" at 32767 iterations, b-save=
 the
image and load it in a text editor. You'll find that it's mysteriously sa=
ved
it with an old version code, such as "reset=3D1821". Change that to "rese=
t=3D1960"
without changing anything else, save, and @-load in Fractint. The bug sho=
uld
no longer manifest on that image. I think that Winfract 18.21 "contaimiat=
es"
images saved from it, and the "contamination" is passed on to any image y=
ou
derive from it in DOS Fractint. Fractint then acts as though it were an
earlier version, like 19.2 or something...(what versions had the logmap b=
ug
but had huge maxiter and deepzoom support?)



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) HEY!
Date: 22 May 1999 08:11:43 MDT

Now I can't even generate that image using other passes options. What the=

christ is going on here? It's like someone is purposely trying to make su=
re I
can't finish the image!

I demand an immediate workaround to this bug. This work stoppage has gone=
 on
long enough! Please reply immediately to explain this problem and inform =
me of
how to generate the image without any further problems!

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Can't save either!
Date: 22 May 1999 08:16:44 MDT

If I save a partial image in the "weird zone", it won't restore properly.=
 It
doesn't resume or restart even, and the tab screen says "Parms chgd since=

generated", which makes no sense.

If I pan the image slightly up or down, the "weirdness" does not go away.=


This is particularly odd since the further zoom whrlwhrl will restore and=

resume perfectly normally -- it just inexplicably hangs halfway through t=
he
4th pass.


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-------------------------------------------------------------------------------

From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) HEY!
Date: 22 May 1999 09:44:45 -0500

Paul,

 - I demand an immediate workaround to this bug.

You've got one heckuva lotta nerve, mister. These people VOLUNTEER their
time. They work on it because they LIKE to. They don't even ask you to send
money! (We all know how you feel about paying for software.) If you're so
ticked off that your precious work has been interrupted because FractInt
doesn't work precisely as you expect it to, get off your lazy duff and fix
the code yourself. You're supposed to be a programmer. Prove it.

You are in NO position to make demands. You're showing NO respect for all
the hours of labor poured into FractInt, and you're also being mildly
profane about it.

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) HEY!
Date: 22 May 1999 11:02:54 -0600

Damien wrote, concerning Paul Derbyshire's demand for a 24-hour
bug fix:

> You've got one heckuva lotta nerve, mister. These people VOLUNTEER their
> time. They work on it because they LIKE to.

Damien's right of course, but not to worry. Paul is a very bright guy
who posts mostly helpful messages on the list and knows a lot
about Fractint. Every so often Paul posts crazy messages. It is
probably obvious to everyone except Paul that demanding fixes for
a bug won't increase the probability that his bug gets worked.

The correct way to bring bugs to our attention is to email myself,
Jonathan, or Robin (just one of us). Include as much detailed
information as possible so we can duplicate the bug. This is a
necessary but not sufficient condition for us to work the bug. We
also have to have some time, and some clue what to do.

I don't object to discussion of bugs on the list as long as everyone
understands that such discussion is not a substitute for a good,
detailed, specific bug report emailed to me or the other authors.

Tim




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-------------------------------------------------------------------------------

From: "Luc-Andre Rey" <[e-mail]>
Subject: (fractint) New pages
Date: 22 May 1999 19:49:40 +0200

Hello,

Two new pages in my site /17-18/, and a new URL.

Regards


Luc-Andre Rey
http://www.aour.ch

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: (fractint) HEY!]
Date: 22 May 1999 14:19:07 MDT

> Damien's right of course, but not to worry. Paul is a very bright guy =

> who posts mostly helpful messages on the list and knows a lot =

> about Fractint. Every so often Paul posts crazy messages. It is =

> probably obvious to everyone except Paul that demanding fixes for =

> a bug won't increase the probability that his bug gets worked.


Sorry, but it is rather frustrating for a bug to just suddenly appear whe=
re
none seemed to have existed before, and then systematically and seemingly=
 with
malevolent intelligence proceed to block every last conceivable workaroun=
d.
Any ideas what the devil is with that image?

I tried to zoom out slightly and it crossed back into float...worked
perfectly. Then I went to zoom in to the max... went into arbitrary of co=
urse,
but it didn't manifest the bug. So I did eventually manage to dodge this
thing. But it bears fixing or at least finding out about, since it could
happen again.

So far, however, the only serious bugs I've seen in the latest patch of 1=
9.6
have manifested only in the vicinity of this one specific mini-Mandelbrot=
!
Except for the strange Winfract-Fractint logmap problem that is.

whrlbrot           { ; Normal, shows the whole minibrot that is affected.=

  reset=3D1960 type=3Dmandel
  center-mag=3D-1.74929071257353200/+0.00000078088016575/2.599359e+009
  params=3D0/0 float=3Dy maxiter=3D8192 inside=3D0 logmap=3D321
  colors=3D000zzz<76>9Hz8Gz8Gz8Gy<77>00A00A10A<28>G3AH4BH4BI5CJ6C<60>zon
  }

bug1               { ; Won't resume, restarts instead. Spontaneously
                     ; restarts in a non-deterministic way.
  reset=3D1960 type=3Dmandel passes=3Dg
  center-mag=3D-1.7492907125823915/7.8096035381e-7/2.198149e+012
  params=3D0/0 float=3Dy maxiter=3D262144 logmap=3D1782
  colors=3D000<55>AK0AK0AL0BM0<51>Ty0Uz0Uz1Vz2<30>mzdnzeozgpzhqzj<10>zzz<=
6>c\
  zi_zfZzf<26>2zL0zK0xK<18>0AK<37>mUz
  }

whrlwhrl           { ; Consistently hangs 2/3 of the way through pass 4
                     ; at 1024x768x256 (SF3).
  reset=3D1960 type=3Dmandel
  center-mag=3D-1.74929071258239148183/7.80960353818782e-7/2.734146e+016
  params=3D0/0 float=3Dy maxiter=3D16384 inside=3D0 logmap=3D2275
  colors=3D000<55>KA0KA0LA0MB0<51>yT0zU0zU1zV2<30>zmdznezogzphzqj<10>zzz<=
6>z\
  ciz_fzZf<26>z2Lz0Kx0K<18>A0K<37>Umz
  }



Any ideas why this particular mini Mandelbrot is "special" or "cursed"? I=
've
probed to arbitrary precision around lots of minis. I've only ever seen t=
hese
situations at this specific "whrlbrot". The y coordinate is very small, e=
-07,
but I can't see that being a source of problems when it is using arbitrar=
y
precision.

> Include as much detailed information as possible so we can duplicate
> the bug. This is a necessary but not sufficient condition for us to
> work the bug. We also have to have some time, and some clue what to do.=
 =


The PARs above should replicate the problem. Your compiler debugger shoul=
d be
able to discern the cause of the "whrlwhrl" hang, since it has to be eith=
er
crashing or entering an infinite loop. As for "bug1", I'd suggest checkin=
g the
code. Where in Fractint is the calculation progress reset to the beginnin=
g,
and under what circumstance can this occur without an accompanying screen=

clear? Something is in rare situations jumping incorrectly to that point =
in
the code.


In any case, what's the status of the developer version?

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: [Re: (fractint) HEY!]
Date: 22 May 1999 15:45:25 -0600

Paul asked:

> Any ideas what the devil is with that image?

Does the problem go away if you don't use logmap?

> Any ideas why this particular mini Mandelbrot is "special" or "cursed"?

I think it is a logmap bug. I'll ask Jonathan.

> In any case, what's the status of the developer version?

Most of the recent activity has has to do with some sound
enhancements and Linux. I need to think through what has to be
done to release a public beta. Fractint time has been scarce
recently. We would like to release a public beta fairly soon.

Tim


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: [Re: (fractint) HEY!]]
Date: 22 May 1999 15:40:55 MDT

"Tim Wegner" <[e-mail]> wrote:
>> Any ideas what the devil is with that image?

> Does the problem go away if you don't use logmap?

I dunno. I doubt it. I always use logmap when I'm deep. To do otherwise l=
eaves
you with something resembling video static in technicolor. Anyways, logma=
p
shouldn't affect image generation and restarting or cause hangs... except=
 to
force a restart if you tweak it on the 'x' screen of course. Then again, =
we
are dealing with a bug here so I suppose anything is possible. I would th=
ink
it more likely the arbitrary precision code... I thought maybe it doesn't=
 like
some images that are an atom's width above the x axis.

>> Any ideas why this particular mini Mandelbrot is "special" or "cursed"=
?

> I think it is a logmap bug. I'll ask Jonathan.

Any particular reasons for suspecting the logmap? I would expect the logm=
ap
doesn't notice arbitrary precision. It just takes an int from 0 to 214748=
3647,
converts it to a double I suppose, then divides maxiter and takes a logar=
ithm,
or something similar. I could probably construct the C code from my knowl=
edge
and a libm reference...

>> In any case, what's the status of the developer version?

> Most of the recent activity has has to do with some sound =

> enhancements and Linux. I need to think through what has to be =

> done to release a public beta. Fractint time has been scarce =

> recently. We would like to release a public beta fairly soon.

Hm. Sound and Linux... I thought the top items on the wishlist were bugfi=
xes,
truecolor, and deepzooming for all escape time fractals. :-)
(Oh, and didn't somebody ask for synchronous orbits?)


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Wishlist observation
Date: 22 May 1999 21:26:10 MDT

Noticed anything about the fractint wishlist? A sizable proportion of req=
uests
are for features that are already in Fractint, but obscure. E.g. one guy =
asks
for a way to get the coordinate values, havoing apparently not discovered=
 the
'n' command.

Yes, they ought to read the dox. However, the dox might be improved by ad=
ding
a remark in the introductory screen, saying that if you think you want a
feature, it might already exist, read the "Doodads, bells and whistles" p=
age
and see. Some people seem not to find themselves compelled to read that p=
art
of the dox...


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-------------------------------------------------------------------------------

From: Vanna <[e-mail]>
Subject: (fractint) 5 top tips...
Date: 23 May 1999 18:05:03 +0200

Hello :-)

I wonder..what would be Your 5 top tips for a novice (newbie,
greenhorne or whatever the word is...I'm "qualified" for all of
them :-)   )

Thanks !

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) Visit Genum
Date: 23 May 1999 13:03:29 EDT

I visit your site and I vote.
It's a very interesting site and it works quite fine.

Best regards
Patrick Lourde

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-------------------------------------------------------------------------------

From: "Li Lei" <[e-mail]>
Subject: (fractint) Self-similar traffic
Date: 24 May 1999 08:46:32 +0800

Dear All,

I want to know the how the  self-similar traffic(or fractal traffic) affect
the performace of queue and how to apply the  properties of self-similar
traffic in the design of switch or router.

Thanks a lot.

Li Lei




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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Can't save ei
Date: 23 May 1999 23:40:31 -0400

Paul (Derbyshire),

  Regarding your problems with deep zooms:

1) what resolution are you using?

2) are you using savetime with passes=3Dg?

3) have you tried passes=3D1?

4) have you played with the mathtolerance command?

I could not duplicate any problems at 1600x1200 with passes=3D1 on any of=
 the
pars you posted (although I did not complete the long ones).  No problems=

with resuming.

Lee

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Can't save ei]
Date: 23 May 1999 21:58:54 MDT

>  Regarding your problems with deep zooms:

> 1) what resolution are you using?

1024x768x256, SF3. (DOes SF3 differ from SF7 in any way?)

> 2) are you using savetime with passes=3Dg?

Nope. I am aware that savetime causes an interrupt that sets it back to t=
he
start of the row. I've seen very slow deepzooms where you need to make
savetime big or turn it off to avoid it repeating one row forever. The pr=
oblem
I'm seeing is something else.

> 3) have you tried passes=3D1?

Yes. The problem persisted. As with passes=3Dt, passes=3Db.

> 4) have you played with the mathtolerance command?

Nope, what is that?

> I could not duplicate any problems at 1600x1200 with passes=3D1 on any =
of >
the pars you posted (although I did not complete the long ones).  No
> problems with resuming.

Try 1024x768. It's sensitive to the exact zoom factor and pixel size in
mandelunits. Zoom in a bit and the problem vanishes, and at 1600x1200 you=
 have
essentially zoomed in a bit as a pixel is smaller in mandelspace.


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-------------------------------------------------------------------------------

From: "Mike and Linda Allison" <[e-mail]>
Subject: Re: (fractint) 5 top tips...
Date: 23 May 1999 23:31:08 -0700

Hi, Vanna!

Well, I think my top 5 (and not necessarily in any particular order) are
(at this moment in time):

1 - Practice makes perfect.  It takes awhile to learn the program, and
you have to (or at least, I had to) develop an eye for identifying local
areas of interest to zoom in on.  So don't give up!  Keep trying.

2 - Dissecting the par files that are posted to this mailing list can be
a great help, too.  By changing one variable at a time, you will begin
to see patterns that you can use in developing your own images.

3 - Print out the documentation included in the Fractint program.  And
learn how to navigate through it.  Great stuff there!

4 - Try to reason out the problems that confront you in using the
program.  But if you can't figure something out, ask questions.  This is
a good forum for questions.

5 - Learn how to design your own colormaps.  Or you can download some
nice ones from
http://wizzle.simplenet.com/fractals/fractint_maps/newmaps.htm.  It's
amazing the difference that a good colormap can make!

Happy fractaling!
Linda

http://www.geocities.com/~gumbycat/mirror.html



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-------------------------------------------------------------------------------

From: "Tony Hanmer" <[e-mail]>
Subject: (fractint) Lyapunov type and symmetry
Date: 24 May 1999 11:18:12 +0400 (MSD)

I have discovered a high degree of symmetry in some Lyapunov fractals,
specifically of orders 2, 12 & 38.  This is at a 45 deg angle, and bilateral.
In orders 2 & 38 the images produced are very close to being identical!  Zooming
in and changing the angle to 45 deg results ni the symmetry becoming vertical,
and quite striking.
So far these are the only 3 orders I have found with this symmetry, and I can't
discover a numerical pattern progression so far.  I have read the notes on
Lyapunov types in Fractint - is there any more documentation out there on the
type?  Any answers about to the symmetry of these orders - or is it just a strange
coincidence?

Tony Hanmer



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Feature idea
Date: 24 May 1999 05:28:10 MDT

How about a new passes=3D option that compromises between passes=3D1 and =
passes=3Db?
This would apply the 'b' behavior only to areas of solid inside with
inside=3Dnnn set. That way if passes=3Db is making errors on a particular=
 image,
you can go to passes=3D1 accuracy and keep the nice feature that passes=3D=
b with
inside=3Dnnn will eliminate all of the lake areas with just their boundar=
ies.
(passes=3Db never makes errors on lake boundaries.)

Another idea would be to make an option that uses passes=3Db behavior on =
lakes
but passes=3Dt behavior outside.

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: (fractint) Re: last bug report
Date: 24 May 1999 06:46:49 -0600

Paul wrote:

Paul wrote:

> Regarding "bug1", I interrupted it and hit tab. It said "Interrupted,
> resumable." When I returned, it started over of course... It did NOT say
> "nonresumable".

Paul, these examples of yours are so slow they are extremely hard
to debug. Especially when you you demand 24 hour turn around
<heh heh!> This is a major challenge.

Running the developer executable did not seem to help, However,
since the fractal is right on the fringes of magnification requiring
arbitrary precision, I added bfdigits=20 to the command line
(several more digits than were automatically selected) and it ran to
completion.

The trouble with this sort of fix is one has no idea whether it
disguises the real problem or fixes it. I will say, though, that I am
not happy with fractint's caalculation of the needed precision,
especially for rotated or skewed fractals. The bfdigits command
lets you set whatever you want, for arbitrary precision at least.

Tim


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Distance Estimator
Date: 24 May 1999 06:27:21 MDT

I appear to have found a glitch with distance estimator. Run the above pa=
r in
SF3. It works normally, completes in under 2 minutes on a 400 MHz PII.

Now zoom onto the square object in the center. Make the zoombox just encl=
ose
the block and its four shorter spikes. Ta-da: you've found a bug.

I expect it's some sort of problem with distance estimator and arbitrary
precision, since it should just be going over into arbitrary at that zoom=
=2E



demtest            {
  reset=3D1960 type=3Dmandel passes=3Dt
  center-mag=3D-1.74919514436631300/-0.00000000000000000/4.565163e+011
  params=3D0/0 float=3Dy maxiter=3D65536 inside=3D2 outside=3D2
  distest=3D-1/71/1024/768
  colors=3DAAAzzz0000eee00e0eeL0eeeLLLLLzLzLLzzzLLzLzzzLzzz000555<3>HHHKK=
KOO\
  OSSSWWW___ccchhhmmmssszzz00z<3>z0z<3>z00<3>zz0<3>0z0<3>0zz<2>0GzVVz<3>z=
V\
  z<3>zVV<3>zzV<3>VzV<3>Vzz<2>Vbzhhz<3>zhz<3>zhh<3>zzh<3>hzh<3>hzz<2>hlz0=
0\
  S<3>S0S<3>S00<3>SS0<3>0S0<3>0SS<2>07SEES<3>SES<3>SEE<3>SSE<3>ESE<3>ESS<=
2\
  >EHSKKS<2>QKSSKSSKQSKOSKMSKK<2>SQKSSKQSKOSKMSKKSK<2>KSQKSSKQSKOSKMS00G<=
3\
  >G0G<3>G00<3>GG0<3>0G0<3>0GG<2>04G88G<2>E8GG8GG8EG8CG8AG88<2>GE8GG8EG8C=
G\
  8AG88G8<2>8GE8GG8EG8CG8AGBBG<2>FBGGBGGBFGBDGBCGBB<2>GFBGGBFGBDGBCGBBGB<=
2\
  >BGFBGGBFGBDGBCG000<6>000
  }


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Re: last bug report]
Date: 24 May 1999 07:27:29 MDT

"Tim Wegner" <[e-mail]> wrote:
>> Regarding "bug1", I interrupted it and hit tab. It said "Interrupted,
>> resumable." When I returned, it started over of course... It did NOT
>> say "nonresumable".

> Paul, these examples of yours are so slow they are extremely hard =

> to debug... This is a major challenge.

Unfortunately, them's the breaks when dealing with arbitrary precision bu=
gs.
:P

I have checked and checked and the problem does not ever occur below arbi=
trary
precision -- not that I've seen anyway.

I found a location other than that particular mini Mandelbrot where it oc=
curs.
It is *near* that area though -- still in the elephant valley center spik=
e in
the period 3 mini Mandelbrot.

> Running the developer executable did not seem to help, However, =

> since the fractal is right on the fringes of magnification requiring =

> arbitrary precision, I added bfdigits=3D20 to the command line =

> (several more digits than were automatically selected) and it ran to =

> completion.

I've only seen it at the fringe too. Usually when it says 16 decimals... =
not
17 or more.

The hanging bug however seems to occur with any depth.

> The trouble with this sort of fix is one has no idea whether it =

> disguises the real problem or fixes it.

I think if you force 17 or more digits the problem will go away. If it ev=
er
crops up again you know you disguised it and can continue trying to figur=
e it
out then... but chances are it will permanently go away.

> I will say, though, that I am not happy with fractint's calculation of
> the needed precision, especially for rotated or skewed fractals.

These, to make a point, were not rotated or skewed.



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-------------------------------------------------------------------------------

From: Jeff Field <[e-mail]>
Subject: (fractint) IFS Generator
Date: 24 May 1999 09:52:22 -0400 (EDT)


Michael Sargent asked me to post this notice:

   I've written a program for Windows 95 called QS Flame. It's a free-
standing (and free) program that plots the beautiful attractors created
by Scott Draves, which he describes as "cosmic recursive fractal flames".
For further information on these images, refer to the online help file,
and check Scott's Web site: http://www.cs.cmu.edu/~spot/flame.html

   The program is intended to use 24 or 32 bit "true color" graphics modes
(16 million colors). But it also will work, with some limitations, in 8 bit
modes (256 colors) and also 15 and 16 bit "high color" modes (the latter are
not recommended). It will render images in resolutions up to 1600 x 1200.
They can be saved to disk as GIF or TARGA files, depending on the graphics
mode. The program uses 256-color palettes, which you can import from
standard Fractint MAP files. The colors are blended by a filtering algorithm
in true color modes. The parameter sets of individual images can be saved as
small binary files to allow re-rendering of the images.

   The program, along with my other fractal programs, is available at my
Web site. You also can find sample images there.

   Michael Sargent
   <[e-mail]>
   http://www.uvm.edu/~msargent/







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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) Distance Esti
Date: 24 May 1999 10:54:49 -0400

Paul D.,

>> I appear to have found a glitch with distance estimator. Run the above=

par in SF3. It works normally, completes in under 2 minutes on a 400 MHz
PII.

Now zoom onto the square object in the center. Make the zoombox just
enclose the block and its four shorter spikes. Ta-da: you've found a bug.=


I expect it's some sort of problem with distance estimator and arbitrary
precision, since it should just be going over into arbitrary at that zoom=
.
<<

That's exactly it.  There are lots of things you cannot do yet with
arbitrary precision, and the distance estimator, various inside and outsi=
de
options, etc. are examples.  It took several months just to bring up the
browser to the working level where it would see arbitrary precision image=
s.

Lee

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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: [(fractint) Can't save e
Date: 24 May 1999 10:54:47 -0400

Paul D.,
>> 1024x768x256, SF3. (DOes SF3 differ from SF7 in any way?) <<

Probably.  SF3 won't work with my Matrox Millennium adapter, but SF7 will=
.

>> 4) have you played with the mathtolerance command? <<

> Nope, what is that? <

Sorry.  Right now its only available in the developer's version

 "mathtolerance=3D.05/.05 command. The first number controls the
    integer/float transition, and the second number controls the
    float/arbitrary precision transition. The default value of .05 means
    that the ratio between the exact and calculated width and height is
    between .95 and 1.05. A larger value than .05 (say .10) makes the tes=
t
    looser so that the lower precision math is used longer. A value <=3D =
0
    means the test is always failed and the higher precision math type is=

    used. A value >=3D 1 means that the test is always passed and the low=
er
    precision math type is used.

    The automatic precision toggle is resolution dependent. The same imag=
e
    may use float at 320x200 and arbitrary precision at 640x480. This is
    not a bug; it has to work this way. At a given magnification more
    pixels require more precision. There are other tests so even with
    mathtolerance=3D1/.05, eventually Fractint will have to use float. Th=
e
    same is not true for mathtolerance=3D.05/1. If you keep zooming Fract=
int
    will not rescue you; eventually you'll get a nasty error message and
    the corners will be lost."

Lee

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-------------------------------------------------------------------------------

From: Thomas Bennett <[e-mail]>
Subject: Re: (fractint) 5 top tips...
Date: 24 May 1999 08:41:03 -0700 (PDT)




--- Vanna  wrote:
> Hello :-)
>
> I wonder..what would be Your 5 top tips for a novice
> (newbie,
> greenhorne or whatever the word is...I'm "qualified"
> for all of
> them :-)   )
>
> Thanks !
>
Hi Vanna.
                My top five tips for a beginner at fractint would be.

        1) Experiment.
        2) Experiment.
        3) Experiment.
        4) Experiment
        5) Experiment

       Good Luck
         Tom
.

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Feature idea
Date: 24 May 1999 10:10:11 MDT

How about a % of pixels finished field on the tab and disk video screens?=
 It
is a real pain using tesseral and disk video because you haven't a clue h=
ow
much it has done, unlike in guessing or 1-pass.

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: [(fractint) Re: last bug report]
Date: 24 May 1999 16:46:28 -0600

Paul, you sent three PARs to illustrate the bugs you are seeing.
One of the PARS was just illustrative of the area under question,
so two of the PARs indicated bugs. Is this right?

Upping the precision allowed bug1 to run as I mentioned before.
The PARS Whrlbrot and Whrlwhrl ran fine with no changes. All the
above were with the new developer executable. I used diskvideo.

My working hypothesis is that you have found rare cases where the
automatically-selected precision is too low. When this happens,
just bump up the precision. We may find a better solution later, but
there is a genuine tradeoff here. If the precision is bumped up for all
fractals, arbitrary precision will be selected earlier, and all fractals
will be slower.

I'm not planning to do any more on this now, other than beef up the
docs about the bfdigits command. I do have on my list revisiting
precision issues at some point.

What you should do on your end is confirm my solution.

Tim Wegner


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: [(fractint) Re: last bug report]]
Date: 24 May 1999 17:27:29 MDT

"Tim Wegner" <[e-mail]> wrote:
> Paul, you sent three PARs to illustrate the bugs you are seeing. =

> One of the PARS was just illustrative of the area under question, =

> so two of the PARs indicated bugs. Is this right?

Yeah. The shallowest is the interesting area. Not even arbitrary IIRC.
The next deeper, on the fringe of arbitrary, has the spontaneous-restart =
bug.
The deepest has the hanging bug.

> Upping the precision allowed bug1 to run as I mentioned before.

Yes. I suspect a bug specific to the 16-digit variant.

> The PARS Whrlbrot and Whrlwhrl ran fine with no changes. All the =

> above were with the new developer executable. I used diskvideo. =


The whrlwhrl doesn't hang partway through pass 3? So that's fixed?

> My working hypothesis is that you have found rare cases where the =

> automatically-selected precision is too low.

Wouldn't the image just get a bit blocky then? It wouldn't restart itself=
 I
would think...

> When this happens, just bump up the precision.

Zooming in a few more page-ups seems to suffice. :-)

> We may find a better solution later, but there is a genuine tradeoff
> here. If the precision is bumped up for all fractals, arbitrary
> precision will be selected earlier, and all fractals will be slower.

No, the ones where it uses float are all fine. Just alter the selection
routine so if it chooses arbitrary and 16 digits it uses 17 digits instea=
d.
That will take care of all known instances.



On a side note: What's the status of truecolor and synchronous orbits?

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-------------------------------------------------------------------------------

From: "Dave Hershey (Volt Computer)" <[e-mail]>
Subject: RE: (fractint) Fractint on NT
Date: 24 May 1999 18:02:51 -0700

Fair enough.  :]

--Dave.


-----Original Message-----
Sent: Friday, May 21, 1999 11:36 PM


Well, I'm happy that you have a job so you can honestly pay your bills, but
I must admit I still avoid Windows ANYTHING like the plague!  :-)

----------
>
> Speaking as a STE 2, I can say a few nice things about it.  The most
> important nice thing about it is that it pays my rent, puts clothes on my
> back, and food into my stomach.  Can something that does all that really
be
> so bad?  Hmmm?
>
> --Dave.
>
>
> -----Original Message-----
> From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> Sent: Friday, May 21, 1999 5:40 PM
> To: [e-mail]; '[e-mail]'
> Subject: Re: (fractint) Fractint on NT
>
>
> Yes, but many of the older DOS programs end up with quirks when run in
> Window's pseudo "DOS" mode.  IMHO, Windows was the worst thing that ever
> happened to a computer.  I really can't say one nice thing about it, and
> yes, I am fully literate in it.
>
> ----------
> >
> > There will always be the command prompt in NT/Win2k.
> >
> > --Dave.
> >
> >
> > -----Original Message-----
> > From: Kellie Charlynn Angel Findley [mailto:[e-mail]]
> > Sent: Friday, May 21, 1999 4:04 PM
> > To: [e-mail]; [e-mail]
> > Subject: Re: (fractint) Fractint on NT
> >
> >
> > Actually, it strikes terror in the hearts of those who abhore Windows
and
> > remain firmly rooted in DOS that there are many who would like to send
DOS
> > to the scrap heap.
> >
> > ----------
> > >
> > >
> > > In article <[e-mail]>,
> > >     "Allison, Joshua" <[e-mail]>  writes:
> > >
> > > > Has anyone had any experience with fractint on NT?
> > >
> > > Some people have reported success; others have reported problems.
> > > Expect fractint to evolve soon (not the next release, but maybe the
> > > release after that) into a native Win32 client where these problems
> > > of DOS compatability disappear.
> > > --
> > > <http://www.xmission.com/~legalize/>    Legalize Adulthood!
> > >     ``Ain't it funny that they all fire the pistol,
> > >       at the wrong end of the race?''--PDBT
> > > [e-mail]    <http://www.eden.com/~thewho>
> > >
> > > --------------------------------------------------------------
> > > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > > Post Message:   [e-mail]
> > > Get Commands:   [e-mail] "help"
> > > Administrator:  [e-mail]
> > > Unsubscribe:    [e-mail] "unsubscribe fractint"
> >
> >
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
> > Get Commands:   [e-mail] "help"
> > Administrator:  [e-mail]
> > Unsubscribe:    [e-mail] "unsubscribe fractint"
> >
> > --------------------------------------------------------------
> > Thanks for using Fractint, The Fractals and Fractint Discussion List
> > Post Message:   [e-mail]
> > Get Commands:   [e-mail] "help"
> > Administrator:  [e-mail]
> > Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>
>
> --------------------------------------------------------------
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>
> --------------------------------------------------------------
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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: [Re: [(fractint) Re: last bug report]]
Date: 24 May 1999 20:48:09 -0600

Paul asked:

> The whrlwhrl doesn't hang partway through pass 3? So that's fixed?

All I can say is it ran on my system with no changes to the PAR
using the developer's executable at 1024x768 disk video. To assert
that it is "fixed" might be a stretch <grin!>

> Wouldn't the image just get a bit blocky then? It wouldn't restart itself I
> would think...

I don't know. To truly isolate  this we would have to do the following:

1. Use passes=1. Does the bug still happen with passes=1? (I
would think yes).
2. Try to locate exact pixel when it happens.
3. Fix precision using bfdigits= to the same number of digits
normally used. This is so we can experiment with lower rez
surrounding the offending pixel without changing precision.

I could do something really dumb like write each pixel corrdinate
 to a file to see where it crashes.

> On a side note: What's the status of truecolor and synchronous orbits?

truecolor - haven't done anything yet. This may wait until a 32 bit version of Fractint.

synchronous orbits - there are two relatively unintegrated versions in the exe you have.
By "unintegrated" I mean most options don't affect it. See the
what's new. One of the two versions is long double. It is turned on
with passes=

Tim


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: [Re: [(fractint) Re: last bug report]]]
Date: 24 May 1999 20:11:40 MDT

"Tim Wegner" <[e-mail]> wrote:
> Paul asked:

>> The whrlwhrl doesn't hang partway through pass 3? So that's fixed?

> All I can say is it ran on my system with no changes to the PAR =

> using the developer's executable at 1024x768 disk video. To assert =

> that it is "fixed" might be a stretch <grin!>

Tried 1024x768 regular video?

>> Wouldn't the image just get a bit blocky then? It wouldn't restart
>> itself I would think...

> I don't know. To truly isolate  this we would have to do the following:=


> 1. Use passes=3D1. Does the bug still happen with passes=3D1? (I =

> would think yes).

It does. I tested it with passes=3Dt and passes=3D1 after running into it=
 using
passes=3Dg. It showed up with all. I expect passes=3Db too. Except with t=
he image
not cleared, passes=3Db will scan the image and resume where it left off
anyways, and you won't notice. Unfortunately, many of the places where th=
e bug
shows up are places where passes=3Db is a poor choice because of the
afore-mentioned "inside-out" problem being prevalent.

BTW, amending my suggested passes=3Db "inside-out" fix: the inside-out me=
ans no
filling would of course NOT apply when the thing traced around was lake!
That's supposed to be filled and if it weren't 80% of the passes=3Db spee=
d
savings would be lost for some fractals...

> 2. Try to locate exact pixel when it happens.

There is no specific pixel. It restarts if you interrupt it in a
supposedly-resumable manner, such as color cycling or palette editing. Al=
so
make and then destroy a zoom box, go to a doodad window without changing
anything. Only tab and F1 fail to trigger it on susceptible parameter set=
s.

It also occurs spontaneously (yes, with savetime turned off) on susceptib=
le
images in an unpredictable manner. It may restart halfway through pass 1 =
or
right before the end of pass 4 in passes=3Dg for instance.

> 3. Fix precision using bfdigits=3D to the same number of digits =

> normally used. This is so we can experiment with lower rez =

> surrounding the offending pixel without changing precision.

There is no "offending pixel" as pointed out above.
I shall perform an experiment later tonight; I shall bfdigits=3D16 a defa=
ult
Mandel image and see if it becomes buggy. Then we can be fairly certain i=
t
occurs when and only when it's using 16 digits precision.

> I could do something really dumb like write each pixel corrdinate
> to a file to see where it crashes.

Useless. The restart is not specific to a pixel unlike the whrlwhrl hang.=
 It
is caused by interrupting and resuming and by some occasional POM-depende=
nt
event behind the scenes.

>> On a side note: What's the status of truecolor and synchronous orbits?=


> truecolor - haven't done anything yet. This may wait until a 32 bit
> version of Fractint.

20.0?
32-bits means no more worrying about freeing near space. And I know how m=
uch
you guys are trying to manage near space. And no overlays etc.

I recommend using DJGPP and Allegro to port a 32 bit version. Then you ca=
n use
Xwinallegro and WinAlleg to automatically compile simultaneously a Fracti=
nt,
Winfract, and Xfract of a given version. Allegro, Xwinallegro, and WinAll=
eg
are almost completely intercompatible.

http://www.delorie.com     DJGPP information and links to downloads
http://talula.demon.co.uk     Allegro information and downloads

> synchronous orbits - there are two relatively unintegrated versions in =
> the
exe you have.

There are? I looked at the passes=3D screen. I saw the new diffusion ...
interesting, especially with the progress meter, which is asymptotically
accurate since it should uniformly fill the image and thus sample it in a=

representative way. I did not see anything else. There was a patch histor=
y
entry about synchronous orbits, mentioning passes=3Ds; when I put that in=
 all I
got was passes=3D1.

> By "unintegrated" I mean most options don't affect it. See the =

> what's new. One of the two versions is long double. It is turned on =

> with passes=3D

With passes=3Dwhat???

Unintegrated, you mean, like distance estimator, decomp, etc. won't have =
any
effect?



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Wishlist observation
Date: 22 May 1999 21:26:10 MDT

Noticed anything about the fractint wishlist? A sizable proportion of req=
uests
are for features that are already in Fractint, but obscure. E.g. one guy =
asks
for a way to get the coordinate values, havoing apparently not discovered=
 the
'n' command.

Yes, they ought to read the dox. However, the dox might be improved by ad=
ding
a remark in the introductory screen, saying that if you think you want a
feature, it might already exist, read the "Doodads, bells and whistles" p=
age
and see. Some people seem not to find themselves compelled to read that p=
art
of the dox...


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Wishlist observation
Date: 22 May 1999 21:26:10 MDT

Noticed anything about the fractint wishlist? A sizable proportion of req=
uests
are for features that are already in Fractint, but obscure. E.g. one guy =
asks
for a way to get the coordinate values, havoing apparently not discovered=
 the
'n' command.

Yes, they ought to read the dox. However, the dox might be improved by ad=
ding
a remark in the introductory screen, saying that if you think you want a
feature, it might already exist, read the "Doodads, bells and whistles" p=
age
and see. Some people seem not to find themselves compelled to read that p=
art
of the dox...


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Fractint on NT
Date: 25 May 1999 11:06:36 -0600


In article <[e-mail]822>,
    "Kellie Charlynn Angel Findley" <[e-mail]>  writes:

> Actually, it strikes terror in the hearts of those who abhore Windows and=
>  remain firmly rooted in DOS that there are many who would like to send =
> DOS to the scrap heap.

I didn't mean to imply that a DOS version of fractint would disappear
as it evolved to support natively more environments like
Win32/Mac/BeOS/unix/etc.  Support for 8088/80286 will disappear though
as the DOS version will evolve to require a DPMI which means 386 or
better.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Bug in Fractint 19.6
Date: 25 May 1999 11:17:16 -0600


In article <[e-mail]>,
    Paul Derbyshire <[e-mail]>  writes:

> Please submit a corrected version 19.7 on the Spanky website within 24 ho=
> urs,
> as this problem needs to be resolved urgently.

ROTFLMAO!

Please get real Paul.  If the problem is *that* urgent, then download
the source and fix it yourself.  Fractint isn't a product for which
you can "demand" bug fixes since you didn't purchase any such support
agreement from anybody.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: davides <[e-mail]>
Subject: Re: (fractint) Bug in Fractint 19.6
Date: 25 May 1999 17:53:50 -0400

At 11:17 AM 5/25/1999 -0600, you wrote:
>
>In article <[e-mail]>,
>    Paul Derbyshire <[e-mail]>  writes:
>
>Please submit a corrected version 19.7 on the Spanky website within 24 hours,
as this problem needs to be resolved urgently.
>
>ROTFLMAO!
>
>Please get real Paul.

Somehow I suspect that when Paul wrote the above he was doing so more as an
attempt at some humor in order to bring a smile along with notification of
a bug. It is the same kind of humor I have been accused of in the past, and
just about as often met with the same kind of response.

At least that is what I _think_ has been happening.







[e-mail]
[e-mail]
Back up my hard drive?
How do I put it in reverse?

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) List message dupe?
Date: 25 May 1999 17:32:05 MDT

We seem to be experiencing some message duplication on the list...any ide=
a
why? I know I only sent the below message once, but it showed up twice. T=
he
second copy had 3 of the Fractint list trailers on it instead of one.



> Noticed anything about the fractint wishlist? A sizable proportion of
> requests are for features that are already in Fractint, but obscure.
> E.g. one guy asks for a way to get the coordinate values, havoing
> apparently not discovered the 'n' command.

> Yes, they ought to read the dox. However, the dox might be improved by
> adding a remark in the introductory screen, saying that if you think
> you want a feature, it might already exist, read the "Doodads, bells
> and whistles" page and see. Some people seem not to find themselves
> compelled to read that part of the dox...


Regarding the below netaddress.com trailer: DO NOT sign up with them. The=
ir
service has gone downhill markedly in the last few months and I am planni=
ng to
move to xoom.com or someplace else in a very short time.

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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some pars (2)
Date: 26 May 1999 00:00:14 -0400

Hi All,
some new images.
--Jo--

To see more of them visit my homepage

http://www.joweber.de

jowe7201           { ; t=3D  0:14:50.84 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:36:50
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/recip passes=3D1
  center-mag=3D-0.286021/1.08514/1.748923/1/-15
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3D000xmK<5>tcHsaHr_HqYHpWHpVGoTGnRF<9>OA5L84I63G42D21A00<8>K00<4=
>VF\
  0XI1ZM3<8>uqLwuNzzP<36>BQ3<13>fj7il8km8no8pp8<3>zwA<6>dNN`HPYCRU6TU8T<3=
>\
  TDRSFQUHS<2>ZLW`MYbO_cQ`<11>ojnploqnprorsqststuuuwwwvww<27>DDTBBS99R77Q=
5\
  5P44O22N00L<2>44O66P88QAARBBS<21>llonnpppqrrrsssuutwwv<23>ysMzrKzqKyoK
  }

jowe7203           { ; t=3D  0:07:19.46 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:37:17
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/abs passes=3D1
  center-mag=3D-0.906967/1.46088/0.1474286/1/-15
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3D000DWK<19>zzm<8>zvYzvWzuUztS<2>zsMzrKypK<8>saHr_HqYHpWHpVGoTGn=
RF<\
  9>OA5L84I63G42D21A00<8>K00<3>TC0VF1XI3<11>zvP<2>yrNxqNwoMvnLvlK<8>o_DnZ=
C\
  kWB<4>ZK7WH6TE5RB4O83<2>F00<32>3HD2IE0KF<23>gnnippkqqmsrott<2>uxxwzzwzz=
<\
  54>DXNDWMCWLBVKAVK9UJ8TIAUJ
  }

jowe7208           { ; t=3D  0:14:41.01 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:37:44
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/acos passes=3D1
  center-mag=3D-0.72285/0.216955/6.895331/1/-102.5
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3DP0Pqe0<10>cN0aM0`K0ZJ0YH0<2>UC0TA0TA0<25>H32H32G32G32G32G32<7>=
F22\
  E22E33<39>577577687<29>kR7mS6nU6<4>se2th2ti5<4>voHwqKwrOxtRxuU<2>yxdzzh=
z\
  yf<3>xsXxqUwoRwmOvkLvjJuhGufD<4>r`Ar_9qY8qX7pW6oV6<2>mQ3mP2lO1kN1jL0<16=
>\
  M20K00K01<2>K06K07K08K09K0A<8>M0JM0KM0LN1LO2LP3L<5>V9LWALYDK<7>kXAmZ9oa=
8\
  qc6sf5ui4<2>zp0<5>rf0
  }

jowe7211           { ; t=3D  0:05:28.95 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:38:08
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dsqrt/tan passes=3D1
  center-mag=3D8.59495/24.5135/0.1897815/1/-102.5
  params=3D0.9/0.2/0.1/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone colors=3D000<189>z00z00z11z22<61>zzz
  }

jowe7212           { ; t=3D  0:07:12.59 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:38:26
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dsin/tan passes=3D1
  center-mag=3D2.10723/9.79396/0.07508572/1/-102.5
  params=3D0.9/0.2/0.1/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D406<2>307207208209<11>03F03G03H03I03J<3>05L06M06N17O17P<7>2CV3=
CW3\
  DX4EX4EY<7>8Kc9Ld9MeAMeANfANg<5>FSlFSlGTmGUmHVn<3>LZqLZqM_rM`rNas<3>Qdu=
Q\
  dvRevSfv<2>VhvWhwXiwYixZjx<13>grzhszhsy<5>mvymwynwynxyoxy<4>qyyryxryxsy=
w\
  syw<4>vzuvzuuyt<63>000000100<17>F50F50G50G60H60<5>K70L80L80M91L91<6>G50=
F\
  40E40E40<2>D32C22C22B12A12<10>506
  }

jowe7228           { ; t=3D  0:05:42.74 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:39:40
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Drecip/cos passes=3D1
  center-mag=3D1.83945/1.42336/1.330364/1/124.998
  params=3D0.5/0.4/0.5/0.2/500/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D000roR<3>bkYZj_XhY<6>MXKLVIJTGHSEFQCEOACM8AK5<6>A82A62A41A21A2=
2A3\
  2<34>EGPEGPEHQEIR<2>EJSDKTCMU<5>7V_<12>XhlZim`jnblodmpgnq<5>uuw<22>UaMS=
`\
  KS`K<23>CH5BG4AF3AE29D28C17B0<8>A00<3>K04N05Q07T08V09Y0A`0C<19>sjWtlXun=
Y\
  vpZws_<2>zzc<4>ztOzrKyoI<8>pQ4nN2mM2<3>gI4fH4eG4cF4bE5<7>R58<5>fQFiUGlY=
H\
  naIqeJ<2>zpNvoP
  }

jowe7135           { ; t=3D  0:32:33.04 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:40:29
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dexp/acos passes=3D1
  center-mag=3D9.8261/12.0012/0.01444676/1/-170 params=3D5/5/5/5/1000/0
  float=3Dy maxiter=3D1023 inside=3Dbof60 outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }

jowe7142           { ; t=3D  0:05:50.33 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:41:05
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55d36a function=3Dtan/cos passes=3D1
  center-mag=3D2.4207/-1.208/0.03251773/1/-27.499 params=3D5/5/5/5/500/0
  float=3Dy maxiter=3D1023 inside=3Dbof60 outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }

jowe7148           { ; t=3D  0:10:30.32 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:41:34
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55d36a function=3Dtan/cos passes=3D1
  center-mag=3D0.643289/0.311848/0.08498542/1/134.998
  params=3D0.5/0.4/0.5/0.2/500/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }


frm:JoWe55c36a { ; from a modified Carr-formula
            ; 6/1997 JoWeber CIS [100424,35]
c=3Dz=3Dp1/pixel:
z1=3Dfn1(z) + c
z=3Dfn2(z1) + p2
|z| <=3Dp3
 }

frm:JoWe55c36b { ; from a modified Carr-formula
            ; 6/1997 JoWeber CIS [100424,35]
c=3Dz1=3Dz2=3Dp1/pixel:
z1=3Dfn2(fn1(z1) + c) + p2
z2=3Dfn4(fn3(z2) + c) + p2
z=3Dz1*whitesq+z2*(whitesq=3D=3D0)
|z| <=3Dp3
 }

frm:JoWe55d36a { ; from a modified Carr-formula
            ; 5/1999 JoWeber CIS [100424,35]
c=3Dz=3Dp1/pixel:
z1=3Dfn1(z) + c
z=3Dfn2(z1) + c/p2
|z| <=3Dp3
 }

Thanks for using Fractint, The Fractals and Fractint Discussion List
Post Message:   [e-mail]
Get Commands:   [e-mail] "help"
Administrator:  [e-mail]
Unsubscribe:    [e-mail] "unsubscribe fractint"


-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some pars (1)
Date: 26 May 1999 00:00:17 -0400

Hi All,

some images.
--Jo--

http://www.joweber.de

jo_05_01           { ; t=3D  0:03:27.40 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:46:59
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Drsp_a304 passes=3D1
  center-mag=3D-0.87610655913505620/+0.26228416956442770/45.72447/1/-157.=
5
  float=3Dy maxiter=3D1024 inside=3D0 outside=3Datan periodicity=3D0
  colors=3D000I88H44G00<6>aI8eLAhMBiODjQF<4>riAtm9vq8xu7zz5zz4zz3<9>zV5zS=
5zP\
  5zL6zI6zE6<12>M62J52G42D32A22<2>000000<2>903C04D05<32>r2qs2rt2tv2v<2>z3=
z\
  <2>d6gX7`Q8UI9NAAG<2>0Qc<7>Adc<2>LhfOigQih<17>zzz<4>ovz<2>VkpNglGch8_d8=
X\
  a<8>717<7>zA0<17>920<8>UXAW`BZcDagE<2>hrI<6>JkgFfpAaz<2>`Lz<9>tpGvsBxv6=
z\
  z1zzCzzTzzizzz<9>Mb8<7>JC8
  }

jo_05_02           { ; t=3D  0:20:27.20 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:19
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975990519317820/-0.02849663374833254/891148.7/1/-105
  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_03           { ; t=3D  0:28:25.88 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:28
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975988258252140/-0.02849568443080422/4.037396e+007/1/=
2.4\
  99 params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_04           { ; t=3D  0:18:10.56 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:37
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975984321192080/-0.02849723302183901/1568924/1/-177.5=

  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_05           { ; t=3D  0:26:59.92 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:47
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78974947464431980/-0.02849455508067602/44557.43/1/-114.=
999
  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000OOP<17>ttw<28>5563341120000z00x0<29>000<31>0z0000<7>O00R00T=
00V\
  00<3>c00000XFw<13>svcqsd<11>iB8i75h32h00e00b00<13>000<29>0T00U00T0<30>0=
0\
  0000112<10>MMN
  }

frm:MandNewt12 {; Jim Muth
z=3Dg=3Dpixel, a=3Dreal(p1), b=3Dimag(p1), c=3Dreal(p2),
d=3Dimag(p2), e=3Dreal(p3), f=3Dimag(p3):
h=3Dz^a+(g-1)*(z-b)
j=3Dc*z^d+g
z=3Dz-e*h/(f*j),
.0000000000000000000000000000005 <=3D |h|
}

frm:rsp_a304 { ; 3/99     R Parracho
  c=3Dz=3Dpixel:
  oz=3Dz, z=3Dz*z+c,test=3D|z|/|oz|
  |test|<1 || |test|>2
}


Thanks for using Fractint, The Fractals and Fractint Discussion List
Post Message:   [e-mail]
Get Commands:   [e-mail] "help"
Administrator:  [e-mail]
Unsubscribe:    [e-mail] "unsubscribe fractint"


-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some pars (1)
Date: 26 May 1999 00:00:17 -0400

Hi All,

some images.
--Jo--

http://www.joweber.de

jo_05_01           { ; t=3D  0:03:27.40 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:46:59
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Drsp_a304 passes=3D1
  center-mag=3D-0.87610655913505620/+0.26228416956442770/45.72447/1/-157.=
5
  float=3Dy maxiter=3D1024 inside=3D0 outside=3Datan periodicity=3D0
  colors=3D000I88H44G00<6>aI8eLAhMBiODjQF<4>riAtm9vq8xu7zz5zz4zz3<9>zV5zS=
5zP\
  5zL6zI6zE6<12>M62J52G42D32A22<2>000000<2>903C04D05<32>r2qs2rt2tv2v<2>z3=
z\
  <2>d6gX7`Q8UI9NAAG<2>0Qc<7>Adc<2>LhfOigQih<17>zzz<4>ovz<2>VkpNglGch8_d8=
X\
  a<8>717<7>zA0<17>920<8>UXAW`BZcDagE<2>hrI<6>JkgFfpAaz<2>`Lz<9>tpGvsBxv6=
z\
  z1zzCzzTzzizzz<9>Mb8<7>JC8
  }

jo_05_02           { ; t=3D  0:20:27.20 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:19
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975990519317820/-0.02849663374833254/891148.7/1/-105
  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_03           { ; t=3D  0:28:25.88 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:28
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975988258252140/-0.02849568443080422/4.037396e+007/1/=
2.4\
  99 params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_04           { ; t=3D  0:18:10.56 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:37
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78975984321192080/-0.02849723302183901/1568924/1/-177.5=

  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000a60<3>jB0lC0mD0oE0<2>tJ0vK0wM0xN0<5>zW0<2>zS0yQ0yP0xN0wL0<7=
>jA\
  0h90e80<4>U40R30O20L10I10F00C00800<2>000<4>303303303313314<12>97B98C99C=
9\
  AD9BD<5>AGHAHHAGH<9>89B88B87A769759759<2>637526526425<3>203202202101101=
<\
  2>000<3>B00E00I00<3>U00W00Z00`00c00<3>l00n00o00<2>t00v00w00x00<5>z00z00=
z\
  00z00y00x00x00<2>t00s00q00o00<2>j00h00e00<4>U00R00O00L00I00F00C00001<3>=
0\
  0601701812A12B<7>19L2AM2CN<2>2GS2HT2IU2JV2KW<2>2P_2R`2Sa2Tb<7>2HT2GS2FR=
2\
  EQ2DP<6>15G14F14D<2>12A018017016<3>001000000<2>800B00F10<6>Z50
  }

jo_05_05           { ; t=3D  0:26:59.92 =

                     ; on a P233MMX at 1600x1200  May 25, 1999  03:47:47
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandnewt12 passes=3Dt
  center-mag=3D+0.78974947464431980/-0.02849455508067602/44557.43/1/-114.=
999
  params=3D-4.3808/-0.5139/-1.2595/1.0881/-0.8100000000000001/2.519
  float=3Dy maxiter=3D250 bailout=3D25 inside=3Dbof60 logmap=3Dyes
  symmetry=3Dxaxis periodicity=3D0
  colors=3D000OOP<17>ttw<28>5563341120000z00x0<29>000<31>0z0000<7>O00R00T=
00V\
  00<3>c00000XFw<13>svcqsd<11>iB8i75h32h00e00b00<13>000<29>0T00U00T0<30>0=
0\
  0000112<10>MMN
  }

frm:MandNewt12 {; Jim Muth
z=3Dg=3Dpixel, a=3Dreal(p1), b=3Dimag(p1), c=3Dreal(p2),
d=3Dimag(p2), e=3Dreal(p3), f=3Dimag(p3):
h=3Dz^a+(g-1)*(z-b)
j=3Dc*z^d+g
z=3Dz-e*h/(f*j),
.0000000000000000000000000000005 <=3D |h|
}

frm:rsp_a304 { ; 3/99     R Parracho
  c=3Dz=3Dpixel:
  oz=3Dz, z=3Dz*z+c,test=3D|z|/|oz|
  |test|<1 || |test|>2
}


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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some pars (2)
Date: 26 May 1999 00:00:14 -0400

Hi All,
some new images.
--Jo--

To see more of them visit my homepage

http://www.joweber.de

jowe7201           { ; t=3D  0:14:50.84 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:36:50
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/recip passes=3D1
  center-mag=3D-0.286021/1.08514/1.748923/1/-15
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3D000xmK<5>tcHsaHr_HqYHpWHpVGoTGnRF<9>OA5L84I63G42D21A00<8>K00<4=
>VF\
  0XI1ZM3<8>uqLwuNzzP<36>BQ3<13>fj7il8km8no8pp8<3>zwA<6>dNN`HPYCRU6TU8T<3=
>\
  TDRSFQUHS<2>ZLW`MYbO_cQ`<11>ojnploqnprorsqststuuuwwwvww<27>DDTBBS99R77Q=
5\
  5P44O22N00L<2>44O66P88QAARBBS<21>llonnpppqrrrsssuutwwv<23>ysMzrKzqKyoK
  }

jowe7203           { ; t=3D  0:07:19.46 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:37:17
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/abs passes=3D1
  center-mag=3D-0.906967/1.46088/0.1474286/1/-15
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3D000DWK<19>zzm<8>zvYzvWzuUztS<2>zsMzrKypK<8>saHr_HqYHpWHpVGoTGn=
RF<\
  9>OA5L84I63G42D21A00<8>K00<3>TC0VF1XI3<11>zvP<2>yrNxqNwoMvnLvlK<8>o_DnZ=
C\
  kWB<4>ZK7WH6TE5RB4O83<2>F00<32>3HD2IE0KF<23>gnnippkqqmsrott<2>uxxwzzwzz=
<\
  54>DXNDWMCWLBVKAVK9UJ8TIAUJ
  }

jowe7208           { ; t=3D  0:14:41.01 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:37:44
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dtan/acos passes=3D1
  center-mag=3D-0.72285/0.216955/6.895331/1/-102.5
  params=3D0.9/0.2/0.05/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60=

  outside=3Datan symmetry=3Dnone
  colors=3DP0Pqe0<10>cN0aM0`K0ZJ0YH0<2>UC0TA0TA0<25>H32H32G32G32G32G32<7>=
F22\
  E22E33<39>577577687<29>kR7mS6nU6<4>se2th2ti5<4>voHwqKwrOxtRxuU<2>yxdzzh=
z\
  yf<3>xsXxqUwoRwmOvkLvjJuhGufD<4>r`Ar_9qY8qX7pW6oV6<2>mQ3mP2lO1kN1jL0<16=
>\
  M20K00K01<2>K06K07K08K09K0A<8>M0JM0KM0LN1LO2LP3L<5>V9LWALYDK<7>kXAmZ9oa=
8\
  qc6sf5ui4<2>zp0<5>rf0
  }

jowe7211           { ; t=3D  0:05:28.95 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:38:08
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dsqrt/tan passes=3D1
  center-mag=3D8.59495/24.5135/0.1897815/1/-102.5
  params=3D0.9/0.2/0.1/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone colors=3D000<189>z00z00z11z22<61>zzz
  }

jowe7212           { ; t=3D  0:07:12.59 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:38:26
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dsin/tan passes=3D1
  center-mag=3D2.10723/9.79396/0.07508572/1/-102.5
  params=3D0.9/0.2/0.1/0.1/200/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D406<2>307207208209<11>03F03G03H03I03J<3>05L06M06N17O17P<7>2CV3=
CW3\
  DX4EX4EY<7>8Kc9Ld9MeAMeANfANg<5>FSlFSlGTmGUmHVn<3>LZqLZqM_rM`rNas<3>Qdu=
Q\
  dvRevSfv<2>VhvWhwXiwYixZjx<13>grzhszhsy<5>mvymwynwynxyoxy<4>qyyryxryxsy=
w\
  syw<4>vzuvzuuyt<63>000000100<17>F50F50G50G60H60<5>K70L80L80M91L91<6>G50=
F\
  40E40E40<2>D32C22C22B12A12<10>506
  }

jowe7228           { ; t=3D  0:05:42.74 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:39:40
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Drecip/cos passes=3D1
  center-mag=3D1.83945/1.42336/1.330364/1/124.998
  params=3D0.5/0.4/0.5/0.2/500/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D000roR<3>bkYZj_XhY<6>MXKLVIJTGHSEFQCEOACM8AK5<6>A82A62A41A21A2=
2A3\
  2<34>EGPEGPEHQEIR<2>EJSDKTCMU<5>7V_<12>XhlZim`jnblodmpgnq<5>uuw<22>UaMS=
`\
  KS`K<23>CH5BG4AF3AE29D28C17B0<8>A00<3>K04N05Q07T08V09Y0A`0C<19>sjWtlXun=
Y\
  vpZws_<2>zzc<4>ztOzrKyoI<8>pQ4nN2mM2<3>gI4fH4eG4cF4bE5<7>R58<5>fQFiUGlY=
H\
  naIqeJ<2>zpNvoP
  }

jowe7135           { ; t=3D  0:32:33.04 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:40:29
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55c36a function=3Dexp/acos passes=3D1
  center-mag=3D9.8261/12.0012/0.01444676/1/-170 params=3D5/5/5/5/1000/0
  float=3Dy maxiter=3D1023 inside=3Dbof60 outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }

jowe7142           { ; t=3D  0:05:50.33 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:41:05
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55d36a function=3Dtan/cos passes=3D1
  center-mag=3D2.4207/-1.208/0.03251773/1/-27.499 params=3D5/5/5/5/500/0
  float=3Dy maxiter=3D1023 inside=3Dbof60 outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }

jowe7148           { ; t=3D  0:10:30.32 =

                     ; on a P233MMX at 1600x1200  May 26, 1999  05:41:34
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Djowe55d36a function=3Dtan/cos passes=3D1
  center-mag=3D0.643289/0.311848/0.08498542/1/134.998
  params=3D0.5/0.4/0.5/0.2/500/0 float=3Dy maxiter=3D1023 inside=3Dbof60
  outside=3Datan symmetry=3Dnone
  colors=3D00g<8>00a00`00_00Z00Z00Y<20>00I00H00H11H<32>``1bb0bb0<26>xx0yy=
0zz\
  0zz0yy0xx0<59>22E11E00F00G<59>00x00y00z00z00y00x<21>00h
  }


frm:JoWe55c36a { ; from a modified Carr-formula
            ; 6/1997 JoWeber CIS [100424,35]
c=3Dz=3Dp1/pixel:
z1=3Dfn1(z) + c
z=3Dfn2(z1) + p2
|z| <=3Dp3
 }

frm:JoWe55c36b { ; from a modified Carr-formula
            ; 6/1997 JoWeber CIS [100424,35]
c=3Dz1=3Dz2=3Dp1/pixel:
z1=3Dfn2(fn1(z1) + c) + p2
z2=3Dfn4(fn3(z2) + c) + p2
z=3Dz1*whitesq+z2*(whitesq=3D=3D0)
|z| <=3Dp3
 }

frm:JoWe55d36a { ; from a modified Carr-formula
            ; 5/1999 JoWeber CIS [100424,35]
c=3Dz=3Dp1/pixel:
z1=3Dfn1(z) + c
z=3Dfn2(z1) + c/p2
|z| <=3Dp3
 }

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-------------------------------------------------------------------------------

From: Jeff Field <[e-mail]>
Subject: (fractint) Colormaps
Date: 26 May 1999 07:31:15 -0400 (EDT)


Hi  Linda,


On Sun, 23 May 1999, Mike and Linda Allison wrote:

>
> 5 - Learn how to design your own colormaps.  Or you can download some
> nice ones from
> http://wizzle.simplenet.com/fractals/fractint_maps/newmaps.htm.  It's
> amazing the difference that a good colormap can make!


    Your tutorial on using colormaps is superb!  I couldn't agree more
with you about the effects of color on a fractal image.

    With the hope of getting some interesting palettes, I have made a
couple of programs that generate algorithmic palettes that can be saved as
Fractint map files.  My most useful "find" is a four-range palette made
from Bezier curves.  Each range has a gradient that goes from dark to
bright to dark, which gives a 3-d effect to many images.  This type of
palette is like the one you described in Example #5 of your web page
tutorial:

    Example 5 is my favorite. It uses only 3
    different bands of gradient color; orange, white
    and purple. But they are very wide bands and
    they work together to create a definite 3
    dimensional look.


I've used this type of palette for many of the images on my web site:

    www.clark.net/pub/jfield.


There's also a gold and silver map that I find particularly effective for
bringing out strong compositional lines or forms in an image.  This map,
which started as a two-range Bezier map and was tweaked into perfection
by Michael Sargent, can be downloaded from the "gold and silver" page on
my site.

    You probably hand-craft your own palettes, but if you or anyone would
like to try the palette making programs, please let me know.

    I also have a GIF palette grabber.  This program extracts the
palette from the header of a GIF file and saves it as a Fractint MAP file.
Most folks seem to be making true color fractals these days, so this
program has limited usefulness.  One can, of course, convert a JPEG into a
GIF, and then grab the GIF palette, but the quantization that goes on
behind the conversion scene makes what seems to be a disorderly GIF
palette, when viewed as a gradient bar.

    For this situation, I have incorporated a palette smoothing
algorithm developed by Scott Draves.  The algorithm sorts a seemingly
random palette into a series of short gradients with bright centers.  This
type of multi-mini-gradient palette is very effective for use with complex
attractor programs, such as Michael Sargent's qsflame, and it also works
well for many fractal images.  Scott Draves, creator of the original flame
program that Michael ported to Win9x/NT (with many improvements!), used
his smoothing algorithm to create palettes from scanned images.


--Jeff
[e-mail]
www.clark.net/pub/jfield



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-------------------------------------------------------------------------------

From: "Phil DiGiorgi" <[e-mail]>
Subject: (fractint) Nifty freeware
Date: 26 May 1999 20:03:13 -0400

Sorry, no fractal content, but I thought this little program might be of
interest to the subscribers to this list.

If you like to use your fractal images on your windows desktop, this program
will get rid of the little rectangles of solid color under your icons.   It
makes the background of the icon text transparent.   Honest, that's all it
does!   I know it ain't much, but it it thrills me to pieces.   I don't know
any other way to do this.

Hope it's useful to somebody.   Here's the URL:
www.pobox.com/~jayguerette/transparent

Phil D.


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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Receipt of 1999/5/10 PM 01:44 message
Date: 27 May 1999 11:45:06 +0800

Re:Re: (fractint) fractal art short course


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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Receipt of 1999/5/7 AM 10:16 message
Date: 27 May 1999 11:47:24 +0800

Re:(fractint) Purely Mathematical


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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Receipt of 1999/5/7 AM 10:00 message
Date: 27 May 1999 11:47:57 +0800

Re:Re: (fractint) Purely mathematical


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Receipt of 1999/5/7 AM 10:00 message]
Date: 26 May 1999 23:22:34 MDT

[e-mail] wrote:
> Re:Re: (fractint) Purely mathematical =



> --------------------------------------------------------------
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Whuh? What are these messages for?

____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1

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-------------------------------------------------------------------------------

From: "Pascal DUCLAUD-LACOSTE" <[e-mail]>
Subject: (fractint) Topology of the MandelBrot
Date: 27 May 1999 07:44:42 +0200

This is a multi-part message in MIME format.

------=_NextPart_000_001C_01BEA814.C8831A40
Content-Type: text/plain;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Bonjour=20

Hi !

1 or 2 years ago I found (on the Web) a map pointing at nice locations =
where to zoom in a Mand.=20

Some area are poor of beautifull things, other have plenty !!! Spendig =
zooming time in a poor area is frustrating ..=20

Is there such a map somewhere ?=20

Many thanks

Pascal=20

------=_NextPart_000_001C_01BEA814.C8831A40
Content-Type: text/html;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT color=3D#000000 size=3D2>Bonjour </FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Hi !</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>1 or 2 years ago I found (on the =
Web) a map=20
pointing at nice locations where to zoom in a Mand. </FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Some area are poor of beautifull =
things, other=20
have plenty !!! Spendig zooming time in a poor area is frustrating ..=20
</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Is there such a map somewhere ? =
</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Many thanks</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Pascal </FONT></DIV></BODY></HTML>

------=_NextPart_000_001C_01BEA814.C8831A40--


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From: Jan Schaefer <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 27 May 1999 11:09:25 +0200

Hi,

try this:

http://eulero.ing.unibo.it/~strumia/MappeMandJulia.html

sorry, but only a few zooming areas...

I looked at altavista after: +map +mandelbrot

maybe there are some more in the web

> Pascal DUCLAUD-LACOSTE schrieb:
> Is there such a map somewhere ?

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From: [e-mail]
Subject: Re: (fractint) Colormaps
Date: 27 May 1999 08:50:24 EDT

In a message dated 5/26/99 7:42:44 AM Eastern Daylight Time, [e-mail]
writes:

<< You probably handcraft your own palettes, but if you or anyone would
 like to try the palette making programs, please let me know.   >>

I'd like to give them a try.

Thank you.

--Bob Carr--

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From: Barry N Merenoff <[e-mail]>
Subject: (fractint) Re: 1/f scaling noise
Date: 27 May 1999 09:09:53 -0400

A while ago I sent in two questions about 1/f scaling noise. Does anybody=

have answers?

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From: "Les St Clair" <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 27 May 1999 19:00:41 +0100


Hi Pascal

> 1 or 2 years ago I found (on the Web) a map pointing at nice locations where
to zoom in a Mand.
> Is there such a map somewhere ?

In between making complaints about Fractint Paul Derbyshire managed to put this
useful guide together...

"PGD's Quick Guide to the Mandelbrot Set", it can be found at
http://www.globalserve.net/~derbyshire/manguide.html


(just kidding Paul <g>)

cheers, Les



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From: Bob Margolis <[e-mail]>
Subject: (fractint) Beginner's Tips
Date: 27 May 1999 21:56:58 -0500

Greetings Budding Fractalartisans:

Here's what Juan Luis Mart=EDnez has to say at his  Web site
( Doing Fractals http://home.coqui.net/storjorn/Opinion/My_fractals.html =
) about creating fractal art:


I don't think of myself as an expert fractal artist (there's a lot to be =
learn before that), but I can
state some basic "principles" about fractal creation I have realized so f=
ar:=20

Patience is the keyword. Producing a fractal is a complex process even to=
 a fast computer. Each figure
requires a lot of calculations, and those take time. The deeper you go, t=
he slowest the process will be.

Keep the image relatively small (between 300x300 and 600x600, but not sma=
ller or you won't discern the
details) while searching for the area that attracks your creative self. O=
nce you finish working with it,
change to a big resolution for the final file.

Regularly it will take just a few minutes to calculate a fractal, but som=
etimes it could take as long as
several hours or even days (and even a lot more). That depends on the com=
plexity of the fractal and the
number of iterations you choose.

A small change in the parameters - the values of each variable - will res=
ult in an entirely different image.
Once you find something interesting, save it or write the values on paper=
 or to a text file (using
NOTEPAD, for example). Otherwise, you won't probably be able to return to=
 that same spot again. You
could end up with two dozen fractals before finishing a single image, but=
 you won't regret it if suddenly
an unexpected and unwelcome error happens.

Most of the fractal generators I know produce a parameter's file whenever=
 they save a bitmap (that's
the case with all of Ferguson's generators). Some others (FractInt among =
them) store that information in
the same image's file; thus, be sure to keep an unadulterated copy of the=
 original file if you plan to alter
the fractal in a graphics editor later. INFI and Kaos Rhei won't do any o=
f that automatically, so get used
to do it manually. For INFI, create a new bookmark for every image you co=
me up with; for Kaos Rhei,
choose "Save Parameters" from the FILE menu item.

It's also practically impossible to produce two identical images except w=
hen using the same, and only
the same, parameters. So keep those files in a save place. They are the t=
he only way you have to
reproduce an image (if need be) and could be a proof of authorship.

It is absolutely probable that you won't know what an image will look lik=
e beforehand. You'll be
exploring an imaginary and never-ending world, searching for new vistas t=
o bring to the real one.

There are certain basic features that are easy to remember and recognize,=
 but while you "travel" along
the Mandelbrot regions, for example, new patterns never seeing before wil=
l come into view. That's part
of the thrill that attracts us to fractal art.

If you have been zooming in a region for a while, chances are that you ha=
ve noticed that several
features look whashed out, with dark patches and without any detail. It's=
 just that you are too deep into
the figure at "low resolution". Adjust the number of iterations to a high=
er value and the small
Mandelbrots, ridges, spirals, smoothness and spikes will return to view.

It's not possible to explore the whole Mandelbrot set in a lifetime, let =
along all other fractal types out
there. Although you can see many fractal images in a lot of publications,=
 web sites and other products
(including nature), the chances of getting an original composition are hi=
gh.

Most fractal generators are capable of applying filters such as stalks, a=
tan, strands and bubbles, to an
image. Those are also mathematical expressions that enhance or adds featu=
res to these intriguing
shapes.

After getting the figure concentrate on coloring it. That will make the d=
ifference between a regular
image and an artwork. The coloring method will depend on the fractal gene=
rator you are using. Some
use palettes in which you are free to select the colors to be used; other=
s use color controls, and you
just have to move the sliders up or down, left to right, until you get th=
e combination that fits your
taste; some use algorithms to give the tones to each pixel; while others =
are based on predefined color
maps which colors can be rotated in order to change their hues.

Feel free to apply post-processing techniques to the resulting images. Wh=
ile some purists will say they
hurt the natural figure (what certainly is true), they will add to the cr=
eative process, increasing the
artistic outcome.

Study, at least briefly, the mathematics behind the images. You will disc=
over you don't need to be a
genius to understand the basic concepts. The sole process of generating a=
 figure will help you to get
some clues that could later turn into wonders.


Now go create some fractal art.

Bob "When Will This Zoom-in End?" Margolis
                                                                         =
                 .

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Topology of the MandelBrot]
Date: 28 May 1999 09:19:31 MDT

"Pascal DUCLAUD-LACOSTE" <[e-mail]> wrote:=


> Hi !

> 1 or 2 years ago I found (on the Web) a map pointing at nice locations =
>
where to zoom in a Mand. =


It moved. The new address is
http://www.globalserve.net/~derbyshire/manguin1.html   ;-)

> Some area are poor of beautifull things, other have plenty !!! Spendig =
>
zooming time in a poor area is frustrating .. =


You seem to have gotten a strange or corrupt copy of the Mandelbrot set..=
=2Emine
has no "poor areas" :-) Sometimes you need to dig a bit, but almost anywh=
ere
has something of interest... after all, everywhere has mini Mandelbrots a=
nd
embellished versions of any area can be found near any mini Mandelbrot.


____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: (fractint) double messages
Date: 28 May 1999 11:21:46 -0600

I asked XMission about this -- apparently it is an interaction between
mail user agents and the list software.  It is spurious and (so far)
unrepeatable, which makes it difficult to debug.  Apparently there is
some mail software out there that receives the mail, but makes the
sender think that the mail hasn't been received.  Thus the sender
retransmits the message.  At least the problem results in duplicate
messages, rather than messages lost!
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
          <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 28 May 1999 18:54:28 -0700

At 07:44 AM 5/27/99 +0200, Pascal wrote:
>1 or 2 years ago I found (on the Web) a map pointing at nice locations
>where to zoom in a Mand.
>...
>Is there such a map somewhere ?

My favorite way to find hot spots is to poke around the set using
attractor plots.  In Fractint, this is accomplished using the "orbits"
function ("o" key).  After you M-set is done generating, press "o"
and move the cursor around until you start seeing interesting shapes
in the orbit window, then zoom in on those coordinates.  As the
shampoo bottle says, "lather, rinse, repeat".  In this case, feel free
to do so ad infinitum!


Psychoholically yours,
        Bud


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-------------------------------------------------------------------------------

From: "David Jones" <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 28 May 1999 23:11:54 -1000

On 28 May 99 at 18:54, Mark Christenson wrote:

> At 07:44 AM 5/27/99 +0200, Pascal wrote:
> >1 or 2 years ago I found (on the Web) a map pointing at nice locations
> >where to zoom in a Mand.
> >...
> >Is there such a map somewhere ?
>
> My favorite way to find hot spots is to poke around the
> set using attractor plots.  In Fractint, this is
> accomplished using the "orbits" function ("o" key).
> After you M-set is done generating, press "o" and move
> the cursor around until you start seeing interesting
> shapes in the orbit window, then zoom in on those
> coordinates.  As the shampoo bottle says, "lather,
> rinse, repeat".  In this case, feel free to do so ad
> infinitum!

Thank you, thank you, thank you! Been using Fractint for
years, and just now find out about the delightful Orbits
key!

Another blast of bits from David
http://www.aloha.net/~shauna/   http://www.hawastsoc.org/
For the best Hawaii & Pacific Basin surf forecast:
    http://www.surfreporthawaii.com

Random Thought for this Nanosecond
When push comes to shove, never confuse co-workers with friends.



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-------------------------------------------------------------------------------

From: "gwydion" <[e-mail]>
Subject: (fractint) Fractal Symphonies
Date: 29 May 1999 16:33:48 +0100

This is a multi-part message in MIME format.

------=_NextPart_000_0026_01BEA9F1.06EF2160
Content-Type: text/plain;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Musings from Fractal Land
Every shape and every colour that we see ,fires a combination of cones
 and rods {notes}in the eye, sending a signal to the brain.Certain =
combinations of shape and colour, fire signals that are sent to specific =
areas of the brain, {{chords}like the 93rd Stellation of the =
Icosidodecahedron}.Fractals allow this process to reach the next level =
and could be called the gift of Fractal Land{symphonies}.
Due to the infinite nature of fractals, as we look at a fractal  chords =
play together in unique combinations, forming a symphony in the resonant =
chamber of the skull.Fractal explorers experience the new music and are =
changed therin.When VR comes of age these symphonies become Evolutionary =
helpers in a more major way .This is  one of the many gifts of programs =
like Fractint, Ultrafractal, Fractal Extreme and others whom i have not =
met and the explorations you undertake.You are all finding the way =
points for future grand adventures.
Let the music play on.=20
Gwydion

------=_NextPart_000_0026_01BEA9F1.06EF2160
Content-Type: text/html;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2614.3401" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT size=3D2>Musings from Fractal Land<BR>Every shape and every =
colour that=20
we see ,fires a combination of cones<BR> and rods {notes}in the =
eye,=20
sending a signal to the brain.Certain combinations of shape and colour, =
fire=20
signals that are sent to specific areas of the brain, {{chords}like the =
93rd=20
Stellation of the Icosidodecahedron}.Fractals allow this process to =
reach the=20
next level and could be called the gift of Fractal =
Land{symphonies}.<BR>Due to=20
the infinite nature of fractals, as we look at a fractal  chords =
play=20
together in unique combinations, forming a symphony in the resonant =
chamber of=20
the skull.Fractal explorers experience the new music and are changed =
therin.When=20
VR comes of age these symphonies become Evolutionary helpers in a more =
major way=20
.This is  one of the many gifts of programs like Fractint, =
Ultrafractal,=20
Fractal Extreme and others whom i have not met and the explorations you=20
undertake.You are all finding the way points for future grand =
adventures.<BR>Let=20
the music play on. <BR>Gwydion</FONT></DIV></BODY></HTML>

------=_NextPart_000_0026_01BEA9F1.06EF2160--


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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: (fractint) feature request
Date: 29 May 1999 10:56:53 -0700

Yeah, I know I should use the Spanky wish list interface, but
I also know you developers are on this list and 20.0 is just
around the corner.  I figured this idea would get lost in the
wash on the wish list, and so chose to break protocol and
post it here:

Would it be possible to implement the Decomposition coloring
method in *multiples* of two rather than *powers* of two?  Or
what about *any* number (less than 257 :-) )?  It would make
life easier by allowing one to apply palettes with different "periods"
to a fractal.  I have often had to create a stretched version of
an existing palette for this reason.


Thanks, Bud


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) feature request
Date: 29 May 1999 15:26:16 -0600


In article <[e-mail]>,
    Mark Christenson <[e-mail]>  writes:

> I figured this idea would get lost in the
> wash on the wish list, and so chose to break protocol and
> post it here:

Its actually the other way around.  If you submit your idea/request
via the wish list its much less likely to get lost.  That, after all,
is the whole point of the wish list.  So.... submit your idea again
through the wish list.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 29 May 1999 20:50:53 -0600

Mark wrote:

> My favorite way to find hot spots is to poke around the set using
> attractor plots.  In Fractint, this is accomplished using the "orbits"
> function ("o" key).  After you M-set is done generating, press "o"
> and move the cursor around until you start seeing interesting shapes
> in the orbit window, then zoom in on those coordinates.

I have an idea that this procedure might lead to self similar areas,
which might not be desirable.

After first implementig arbitrary precision, I tried to "fish" for a
fractal in very deep water (e.g. high magnification). I did it by using
viewwindows mode and letting just a few pixels develop in solid
guessing mode. Where pixels had different colors, I figured it was
safe to zoom. What I was trying to avoid was a solid area with no
structure. The problem was that arbitrary precision is slow, so I
was trying to see where to zoom by generating very few pixels.

When I was done, I let the whole fractal calculate. I wondered if I
had set some kind of a record, since the magnification was
something like 10^900, and the fracta;l looked quite interesting.

But alas, something looked wrong. The fractal looked familiar. In
fact the fractal was identical (except for rotation) to a fractal
generated at the same place but with a very modest magnification.

From my very limited experience, it seems to me that most
strategies from zooming in to very deep magnifications are liekely
to fall into "whirlpools of self similarity" where nothing new is found.
One strategy to avoid this is to follow a descreasing sequence of
migit Mandelbrots. I don't know how to prove this, but it seems
apparent from experimentation that midgits are not self-similar,
quite the contrary: as one zooms deeper, the patters surrounding
the midgits change.

Questions:

1. Is it true that zooms following sequences of smaller and smaller
midgits never fall into self-similarity

2. Are there other strategies for zooming to great depths that result
in different images as one goes deeper.

Tim


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: (fractint) Topology of the MandelBrot]
Date: 29 May 1999 21:29:05 MDT

"Tim Wegner" <[e-mail]> wrote:
Mark wrote:

> I have an idea that this procedure might lead to self similar areas, =

> which might not be desirable. =


I would expect that it would not, if you take care to choose based on see=
ing
*new* shapes in the orbits.

> After first implementig arbitrary precision, I tried to "fish" for a =

> fractal in very deep water (e.g. high magnification). I did it by using=
 =

> viewwindows mode and letting just a few pixels develop in solid =

> guessing mode. Where pixels had different colors, I figured it was =

> safe to zoom. What I was trying to avoid was a solid area with no =

> structure. The problem was that arbitrary precision is slow, so I =

> was trying to see where to zoom by generating very few pixels.

> When I was done, I let the whole fractal calculate. I wondered if I =

> had set some kind of a record, since the magnification was =

> something like 10^900, and the fracta;l looked quite interesting. =


> But alas, something looked wrong. The fractal looked familiar. In =

> fact the fractal was identical (except for rotation) to a fractal =

> generated at the same place but with a very modest magnification.

> From my very limited experience, it seems to me that most =

> strategies from zooming in to very deep magnifications are liekely =

> to fall into "whirlpools of self similarity" where nothing new is
> found...

In a sense, all whirlpools are illusory. The M-set is *never* quite
self-similar. Example: Start with a seahorse and generate an image of the=

spiral. Save this in a par file. Zoom the outer curve of the spiral and f=
ind a
double spiral which hides a midget.

Now from the original spiral, zoom the center of the spiral two or three
times. Whirlpool? Maybe not. Zoom a part of spiral arm and find a double
spiral. The double spiral is not the same! It has many more turns.

But to see anything interesting deep in the spiral you couldn't find near=
 the
surface, you need to move away from the middle eventually and aim for whe=
re
there is a midget.

The moral of this story is, the stuff around midgets in a "whirlpool" cha=
nges
the deeper you go, usually by wrapping around more times in some way.

> One strategy to avoid this is to follow a descreasing sequence of =

> migit Mandelbrots.

> I don't know how to prove this, but it seems apparent from
> experimentation that midgits are not self-similar, quite the contrary:
> as one zooms deeper, the patters surrounding the midgits change.

Yep. Every mini Mandelbrot has a characteristic filament that attaches to=
 it.
As you zoom up mini Mandelbrots you accrete more filament types.

> 1. Is it true that zooms following sequences of smaller and smaller =

> midgits never fall into self-similarity

Yep. Although things can just keep getting hairy.

> 2. Are there other strategies for zooming to great depths that result =

> in different images as one goes deeper.

Yep. There are two basic strategies. One is to zoom and generally hang ar=
ound
mini Mandelbrots; the other is to zoom into clefts between buds, where yo=
u can
accumulate more kinds of spirals or seahorse arms or scepters.

There's a third, more advanced strategy, which is to mix the two abopve
strategies.

As for strategy 1, I must elaborate. You can zoom to the actual mini
Mandelbrot and explore its clefts and primary dendrites. You can zoom ver=
y
near it and explore attached filaments for their mini Julias. There are
infinitely many variations here. For instance you can zoom at a midget an=
d
then a midget of the first's primary dendrites, then find an interesting =
area
of the micro Mandelbrot. Find a dendrite, which will have filaments assoc=
iated
with the micro. Zoom one of the filaments. It has mini Julias and more
filaments, these associated with the mini. Zoom this tertiary filament an=
d
there are more embedded Julias... which are associated with the mini, not=
 the
micro. These mini Julias have, embedded in them ... mini Julias of a diff=
erent
type, those characteristic of the micro. Yikes!

Instead, you can stop far out from the mini, where there are only two or =
four
or eight or sixteen repeated filaments. Then attack one of these. You get=

"dumbbells" or other shapes. Zoom a 3-armed spiral for instance. One arm =
goes
to the mother set, two terminate in bulbs. Zoom an arm and find a doubled=

spiral. Instead of aiming for the central, probably still invisibly small=

mini, attack one of the double spiral's arms. Pick one that terminates. F=
ind a
doubling, and you'll see that each spiral in the doubled spiral has one a=
rm to
the central join where a mini lurks and one arm that terminates and a thi=
rd
arm that passes through another joining on the way to the mother set. Now=

attack the remaining terminating arm...
As for locating the mini, it makes a difference where it is on a filament=
, or
how deep in a whirlpool.

When exploring a mini Julia, you can find a mini in the center, but you c=
an
also attack the mini Julia's other structures... spirals, seahorse eyes,
dendrites, or whatever.




____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) A Julia type...
Date: 30 May 1999 18:10:42 EDT

Hi Everybody,

Below is the FRM and PAR for a Julia type that I really liked.

--Bob Carr--

Carr3534(YAXIS){;Modified Sylvie Gallet frm.1996
;passes=1 needs to be used with this PHC formula
pixel=-abs(real(pixel))+flip(imag(pixel))
b3a=(0.1+|0.018/pixel|)
b1=(|0.026/pixel|)-conj(|0.025/pixel|)-real(0.025/pixel)
b1a=flip(conj(0.1+pixel))*(pixel)-(conj(0.1/pixel))+sqr(flip(0.1/pixel))
b3=((b1a^1.5)/((|0.2/pixel|)))-conj(b3a)/pixel
b5=(|pixel/2|)*b3-flip(flip(0.046/pixel))^3.9+0.0015/pixel-0.066824
z=whitesq*b5-(whitesq==0)*b5
c1=1.5*z^1.2,c2=2.25*z,c3=3.375*z,c4=5.0625*z
l1=real(p1),l2=imag(p1),l3=real(p2),l4=imag(p2)
bailout=16,iter=0:
t1=(iter==l1),t2=(iter==l2),t3=(iter==l3),t4=(iter==l4)
t=1-(t1||t2||t3||t4),z=z*t,c=c*t+c1*t1+c2*t2+c3*t3+c4*t4
z=z^2+(-0.748800289672,-0.1350036189)-0.0000230
iter=iter+1
(conj(|z|))<=bailout
}

Carr3534            { ; "Heraldic" Julia.
  reset=1960 type=formula formulafile=43kCarr.frm formulaname=Carr3534
  passes=1 center-mag=0.0010622/0.0133912/0.7950156
  params=200/300/400/550 float=y maxiter=647 periodicity=0
  colors=000<6>00043C<12>OHz<12>000<10>zpa<6>_SMWPKTKNPGPMBSI7U<10>1020000\
  00<14>wo`<15>`00<15>000WOG<13>zo`<15>UMFWLE<13>`Ft`Fw_Et<12>L7UK7SH7UGBV\
  FFW<14>1hz011<12>AFHBGM<15>zzzxxx000ttt<11>WWWUUUTTT<9>AAA
  }


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Topology of the MandelBrot
Date: 30 May 1999 16:21:23 -0600


In article <[e-mail]>,
    "Tim Wegner" <[e-mail]>  writes:

> apparent from experimentation that midgits are not self-similar,
> quite the contrary: as one zooms deeper, the patters surrounding
> the midgits change.

I think what you're seeing here is the period doubling phenomenon that
one would observe by following the midgets that are centered on the
real line.  The dynamics of M on the real line are the same as the
dynamics of the bifurcation plots.  A colleague once wrote a program
that superimposed the two and you can see that the bifurcation plot
goes through its first bifurcation at the point where the circle joins
the main cardiod.  The next bifurcation happens at the place where the
midget centered on the real line touches the circle, and so-on.  If
one used this as a zooming strategy, you'd find that the midgets keep
reappearing, but that the number of tendrils leading into the midgets
follow a period doubling progression.  Aliasing soon takes over after
several zooms :-), preventing you from seeing all the tendrils.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Ricardo M. Forno" <[e-mail]>
Subject: RE: (fractint) Topology of the MandelBrot
Date: 31 May 1999 09:29:21 -0300

My English is somewhat poor. What is a midgit? The Babylon translator does
not know it.
----- Original Message -----
Sent: Saturday, May 29, 1999 11:50 PM


> Mark wrote:
>
> > My favorite way to find hot spots is to poke around the set using
> > attractor plots.  In Fractint, this is accomplished using the "orbits"
> > function ("o" key).  After you M-set is done generating, press "o"
> > and move the cursor around until you start seeing interesting shapes
> > in the orbit window, then zoom in on those coordinates.
>
> I have an idea that this procedure might lead to self similar areas,
> which might not be desirable.
>
> After first implementig arbitrary precision, I tried to "fish" for a
> fractal in very deep water (e.g. high magnification). I did it by using
> viewwindows mode and letting just a few pixels develop in solid
> guessing mode. Where pixels had different colors, I figured it was
> safe to zoom. What I was trying to avoid was a solid area with no
> structure. The problem was that arbitrary precision is slow, so I
> was trying to see where to zoom by generating very few pixels.
>
> When I was done, I let the whole fractal calculate. I wondered if I
> had set some kind of a record, since the magnification was
> something like 10^900, and the fracta;l looked quite interesting.
>
> But alas, something looked wrong. The fractal looked familiar. In
> fact the fractal was identical (except for rotation) to a fractal
> generated at the same place but with a very modest magnification.
>
> From my very limited experience, it seems to me that most
> strategies from zooming in to very deep magnifications are liekely
> to fall into "whirlpools of self similarity" where nothing new is found.
> One strategy to avoid this is to follow a descreasing sequence of
> migit Mandelbrots. I don't know how to prove this, but it seems
> apparent from experimentation that midgits are not self-similar,
> quite the contrary: as one zooms deeper, the patters surrounding
> the midgits change.
>
> Questions:
>
> 1. Is it true that zooms following sequences of smaller and smaller
> midgits never fall into self-similarity
>
> 2. Are there other strategies for zooming to great depths that result
> in different images as one goes deeper.
>
> Tim
>
>
> --------------------------------------------------------------
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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: RE: (fractint) Topology of the MandelBrot
Date: 01 Jun 1999 02:12:32 +1200

At 09:29 31/05/99 -0300, you wrote:
>My English is somewhat poor. What is a midgit? The Babylon translator does
>not know it.

It ought to; a midgit is a thing (usually a person) that is smaller than
usual. In this case, it refers to the miniature versions of the Mandelbrot
set that are scattered around the main set.

MLO



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) Topology of the MandelBrot
Date: 31 May 1999 12:28:47 EDT

In a message dated 5/31/99 8:15:48 AM Mountain Daylight Time,
[e-mail] writes:

>  a midgit is a thing (usually a person) that is smaller than
>  usual.

Babylon probably wants the word spelled correctly:

midget

Dama

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Fractal source code.
Date: 31 May 1999 22:11:43 MDT

Attached below are two source files, which are fairly short.

The first, batchm.cc, is a simple C++ source, fully ANSI (I think, if you=
 find
an incompatibility let me know), which generates a Mandelbrot image from
command line parameters (center, mag, and a few more) using either 1 pass=
,
tesseral, or guessing. It's been tested (in all 3 algorithms, with severa=
l
classic seahorse valley images) and works. The output is a 3 megabyte
"iter.dat" file. This file consists of a 1024x768 array of unsigned 32-bi=
t
integer values, which are iteration values, arrayed first across then dow=
n.
This is raw iteration data, not a meaningful image file format, to be col=
ored
externally. It is also not compressed, so it always takes up exactly 3
megabytes. (4 byte integer times 1024 times 768 is 4 times 1024 times (10=
24 *
3/4)) bytes ... or three quarters of 4*1024*1024, which is three quarters=
 of 4
megs, which is 3 megs.)

A future revision will allow the output filename to be changed from the
default with a command line parameter and will nix a slight bug.

Known bugs: Just one. The occasional image is generated with a few pixels=

saved with maxiter+1 as the value. I am not certain how this happens and =
plan
to investigate. As a result, the maximum value in the iters.dat file isn'=
t
always the value you color black to fill the lake.

The program uses long double arithmetic (whose precision depends on the
machine architecture compiled on). It should be as capable of zooming as
Fractint sans arbitrary precision (e.g. Fractint 18.21 or Winfract).

It only does Mandelbrots. And it only does them plainly, with the lake fi=
lled
in as the set maxiter value.

There is periodicity checking by the way. The algorithm is a variant of a=

classic one and probably similar to Fractint's.


The second program is srenderm.cc. It requires the Allegro graphics libra=
ry or
something compatible. It should work with winalleg, dos allegro, and x wi=
ndows
allegro. It reads "iter.dat" in the format output by batchm and displays =
it
onscreen in the highest-bit-depth 1024x768 video mode it can autodetect. =
(A
high-color, i.e. 15 or more bits, 1024x768 mode *must* be available.)

The iterations are mapped between the minimum and maximum iteration to a
simple golden color scheme. The M-set itself is black (unless the
afore-mentioned batchm bug struck, in which case it will be white with
scattered black pixels adjoining).

A future revision will allow specifying the input file, saving the output=
 in
=2Epcx format (to any input filename), optionally doing a render and save=

without invoking graphics, and allow editing of color scheme, loading, an=
d
saving in a manner resembling Ultra Fractal. I may also include an option=
 for
rendering to a greyscale, applying some log function to the input in the
process, and outputting a greyscale TGA of the kind ray tracers can use f=
or
height-fields.

I may also develop a third program, pure ANSI with no special libraries
needed, for converting the batchm output into a triangle mesh of chosen l=
evel
of detail (up to 1024x768x2 triangles) saved in a format ray tracers can =
use.

Both programs handle errors rather ungracefully, by immediately terminati=
ng
with a terse but meaningful error message. (Some bug with killing the gfx=
 mode
seems to suppress these with srenderm, which I shall fix soon.)




---

Here is the batchm.cc file, with comments explaining command line options=
 and
some of the internals.



// batchm.cc
// (c) 1999 PGD. Open Source.

// Very simple batch Mandelbrot program.
// Types: just Mandelbrot.
// Algorithms: just periodicity checking and either 1-pass, tesseral, or =
solid
guessing.
// Options: 1, t, or g for algorithm, and option to determine "iteration
resolution".
// Interface: command line.

// Command line consists of center and mag (long doubles), iteration
resolution control, and optional switches.
// Examples: foo.exe     (basic Mandelbrot)
// foo.exe  -.75 0  10     (seahorse valley zoom)
// foo.exe  -.75 0  10  5000   (Maxiter 5000 instead of default 2000)
// foo.exe  -.75 0  10  5000  30   (Now iterations resolved individually =
from
1 to 30, to nearest even number from 31 to 90, etc.)

// foo.exe [real-center-coordinate] [imag-center-coordinate] [magnificati=
on]
[iteration-resolution] [switches]

// Anything before the first switch is regarded as the first, first and
second, first, second, and third, or first, second, third,
// and fourth of the numerical parameters.

// Switches: /1, /t, /g for algorithm.

// Output: Either an iter.dat file or an error message from the following=
:

// * Invalid switch        Command line has an unrecognized switch.
// * Extra parameter       Command line has an extra non-switch item.
// * Ill-formed parameter  Command line has a parameter that is not a num=
ber
or else is not an integer
//                         but should be an integer.
// * Various libc file I/O errors to do with problems with writing iter.d=
at

// On-screen a successful run will display a progress indicator, outputin=
g
pixels-done/pixels-in-image every thousand pixels.

// Format of iter.dat: across-then-down 1024x768 array of iter values. Ea=
ch
value is a big-endian 32-bit integer.
// File size is thus 3 megabytes ... post-process it and then archive/del=
ete!

// Defaults: passes=3D1, center at (0, 0), magnification 1 (which means i=
mage is
4 units by 3), maxiter 2000, and
// iterations resolved as follows: individual -- 1 through 50. Nearest ev=
en --
51 through 150 (as 52, 54, ... , 150).
// Nearest multiple of 4 -- 151 through 350, etc.

// Math used: long doubles everywhere.

// For batchfile use, the errorlevels returned are:
// 0 -- Normal exit.
// 1 -- Incorrect cmdline.
// 2 -- File I/O error with output.
// 3 -- Miscellaneous error.
// 255 (-1) -- Crashed (should not happen).



// Compilation:

// This is portable ANSI C++. Compile this into an object, link with libc=
 into
an executable, and you are off.

// For best results compile with latest egcs, with the best optimization
options for your cpu. The inner loop should run
// fast and tight in FP registers. There is no abort key -- if it is taki=
ng
forever you need to kill the process
// from the operating system.


// Get stdio to perform file output. This is largely 'C' code with only a=
 few
C++ features. We mainly want C++
// for its pass-by-reference and tight type-checking.
#include <stdio.h>


// Convienient shorthands.
typedef long double real;
typedef unsigned long iter;


// Statically allocate 3 megabyte array to store iteration values.
iter iter_data[768][1024];  // Y then X reduces cache misses with small c=
aches
using passes=3D1 and passes=3Dg.



// Keep track of options.

// Algorithm for pixel 'coloring'.
enum alg { one, tess, guess };
alg current_alg =3D one;

// Periodicity checking sensitivity.
real per_check_sens;
const real per_check_s_base =3D 0.0000001;

// Bailout radius squared.
const real bail_radius_squared =3D 4;

// Center and magnification.
real center_real =3D -0.75;
real center_imag =3D 0;
real mag =3D 1;

// Dimensions at magnification 1.
const real xmag1 =3D 4;
const real ymag1 =3D 3;

// How frequently (in pixels) to report progress.
const long progress_freq =3D 1024;  // Every row in passes=3D1; 768 times=
=2E


// Progress report stuff.
long pixels_done, next_report;

// Iteration resolution feature (used to enhance passes=3Dt, g with detai=
led
fractals; not used with passes=3D1).
iter ires_change =3D 50;

// Maxiter.
iter maxiter =3D 2000;

// Miniter.
iter miniter; // Value is determined by find_lowest_iter().

// Tesseral stop threshold.
const int min_tess_box_size =3D 4;

// Guessing initial stepsize.
const int guess_size =3D 16;


// Function prototypes.


// Input-related.

// Command line processor. Takes argc, argv, returns true if all is well,=

false if error.
// Outputs error message to stderr itself on failure. On success leaves
results stored in above globals.
bool process_cmdline (int argc, const char **argv);



// Output-related.

// Outputs an unsigned long to a FILE * in big-endian format.
void write_iter (FILE *dest, iter value);

// Outputs the iter_data array to iter.dat. Indiscriminately overwrites. =
Bool
has same meaning as for process_cmdline.
bool output_iters (void);


// Calculation-related.

// Calculates absolute of a real.
inline real ldabs (real x) { return (x<0) ? -x : x; }

// Calculates one pixel. Input: two reals, the x and y coordinates. Outpu=
t: a
long, the iteration count (raw).
iter calculate_pixel (real x, real y);

// Calculates an adjusted iter from a raw iter based on ires_change.
inline iter adjust_iter (iter i);

// Calculates an adjusted pixel.
inline iter calculate_adjusted_pixel (real x, real y) { return
adjust_iter(calculate_pixel(x, y)); }

// Find the minimum iteration.
void find_lowest_iter (void);

// Calculates the fractal.
void do_pixel (int sx, int sy);
void do_adjusted_pixel (int sx, int sy);
void one_pass_mandel (void);
void tesseral_mandel (int blockx, int blocky, int xblocksize, int yblocks=
ize);
void guessing_mandel (int size);
void calculate_mandel (void);

// Translates a pixel coordinate into a complex number, using given
center-mag. Adds a small jitter (+/-0.5) to
// both coordinates to prevent aliasing defects.
void make_coords (int sx, int sy, real &x, real &y);




// Main program.
int main (int argc, const char **argv) {
  printf("\nRunning batchm.\n");
  if (!process_cmdline(argc, argv)) {
    printf("\nThere were some errors.\n\n");
    return 1;
  }
  calculate_mandel();
  if (!output_iters()) {
    printf("\nThere were some errors.\n\n");
    return 2;
  }
  printf("\nReturning from successful batchm run.\n\n");
  return 0;
}



// Input-related.

// Command line processor. Takes argc, argv, returns true if all is well,=

false if error.
// Outputs error message to stderr itself on failure. On success leaves
results stored in above globals.

bool process_cmdline (int argc, const char **argv) {
  bool found_switch =3D false;
  const char *current;
  char c;
  int working_on_parm =3D 1;
  printf ("\nProcessing input.\n");
  for (int i=3D1; i<argc; ++i) {
    current=3Dargv[i];
    if (found_switch) {
      if (current[0] !=3D '/') {
        fprintf (stderr, "Error: Extra parameter %s after switches.\n",
current);
        return false;
      }
    }
    if (current[0] =3D=3D '/') {
      // Found a switch.
      c =3D current[1];
      if (current[2] !=3D 0) {
        fprintf (stderr, "Error: Invalid switch %s.", current);
        return false;
      }
      switch (c) {
        case '1':
          current_alg =3D one; break;
        case 't':
          current_alg =3D tess; break;
        case 'g':
          current_alg =3D guess; break;
        default:
          fprintf (stderr, "Error: Invalid switch %s.", current);
          return false;
      }
      // For now, only one switch is needed, to set algorithm; any others=
 are
redundant.
      // Issue a warning if this is a second.
      if (found_switch) fprintf (stderr, "Warning: Redundant algorithm
switch.\n");
      found_switch =3D true;
    } else {
      // Okay, we are working on some sort of parameter.
      switch (working_on_parm) {
        case 1:
          // Center real. Is a real.
          if (1 !=3D sscanf(current, "%Lf", ¢er_real)) {
            fprintf(stderr, "Error: Ill-formed center real coordinate %s =
(not
a real number).", current);
            return false;
          }
          printf ("Center x set to %Lf.\n", center_real);
          break;
        case 2:
          // Center imag. Is a real.
          if (1 !=3D sscanf(current, "%Lf", ¢er_imag)) {
            fprintf(stderr, "Error: Ill-formed center real coordinate %s =
(not
a real number).", current);
            return false;
          }
          printf ("Center y set to %Lf.\n", center_imag);
          break;
        case 3:
          // Magnification. Is a real.
          if (1 !=3D sscanf(current, "%Lf", &mag)) {
            fprintf(stderr, "Error: Ill-formed center real coordinate %s =
(not
a real number).", current);
            return false;
          }
          printf ("Magnification set to %Lf.\n", mag);
          break;
        case 4:
          // Maxiter. Is an integer (unsigned).
          if (1 !=3D sscanf(current, "%lu", &maxiter)) {
            fprintf(stderr, "Error: Ill-formed center real coordinate %s =
(not
a real number).", current);
            return false;
          }
          printf ("Maxiter set to %lu.\n", maxiter);
          break;
        case 5:
          // Iteration resolution parameter. Is an integer (unsigned).
          if (1 !=3D sscanf(current, "%lu", &ires_change)) {
            fprintf(stderr, "Error: Ill-formed center real coordinate %s =
(not
a real number).", current);
            return false;
          }
          printf ("Iteration resolution parameter set to %lu.\n",
ires_change);
          break;
        default:
          fprintf (stderr, "Error: Extra sixth parameter %s.\n", current)=
;
          return false;
      }
      ++working_on_parm;
    }
  }
  if (working_on_parm =3D=3D 6 && current_alg =3D=3D one) {
    // The specification of a value for ires_change with passes=3D1 gener=
ates a
warning as ires_change is ignored with
    // passes=3D1.
    fprintf (stderr, "Warning: Specification of iter res parameter unused=
 with
passes=3D1.");
  }
  return true;
}





// Output-related.

// Outputs an unsigned long to a FILE * in big-endian format.

void write_iter (FILE *dest, iter value) {
  fputc((value & 0xff000000ul) >> 24, dest);
  fputc((value & 0x00ff0000ul) >> 16, dest);
  fputc((value & 0x0000ff00ul) >> 8, dest);
  fputc(value & 0x000000fful, dest);
}



// Outputs the iter_data array to iter.dat. Indiscriminately overwrites. =
Bool
has same meaning as for process_cmdline.

bool output_iters (void) {
  printf ("\nOutputing iterations data.\n");
  FILE *of;
  of =3D fopen("iter.dat","wb");
  if (!of) {
    perror("Error: Filesystem error writing output.\n");
    return false;
  }
  for (int y=3D0; y<768; ++y) {
    for (int x=3D0; x<1024; ++x) {
      write_iter(of, iter_data[y][x]);
    }
  }
  if (ferror(of)) {
    perror("Error: Filesystem error writing output.\n");
    return false;
  }
  if (fclose(of)) {
    perror("Error: Filesystem error writing output.\n");
    return false;
  }
  return true;
}





// Calculation-related.

// Calculates one pixel. Input: two reals, the x and y coordinates. Outpu=
t: a
long, the iteration count (raw).

iter calculate_pixel (real x, real y) {
  real zx =3D 0;
  real zy =3D 0;
  real zx2 =3D 0;
  real zy2 =3D 0;
  real zzx =3D 0;
  real zzy =3D 0;
  real zzx2 =3D 0;
  real zzy2 =3D 0;
  real dst;
  iter i =3D 0;
  int mod16 =3D 0;

  while (zx2+zy2 <=3D bail_radius_squared && i < maxiter) {
    if (mod16 =3D=3D 16) {
      mod16 =3D 0;
      zzy =3D 2*zzx*zzy + y;
      zzx =3D zzx2 - zzy2 + x;
      zzx2 =3D zzx*zzx;
      zzy2 =3D zzy*zzy;
    }
    ++mod16;
    zy =3D 2*zx*zy + y;
    zx =3D zx2 - zy2 + x;
    zx2 =3D zx*zx;
    zy2 =3D zy*zy;
    ++i;
    dst =3D ldabs(zx - zzx) + ldabs(zy - zzy);
    if (dst < per_check_sens) i =3D maxiter;     // Periodicity checking =
caught
a cycle.
  }
  =

  return i;
}



// Translates a pixel coordinate into a complex number, using given
center-mag. Adds a small jitter (+/-0.5) to
// both coordinates to prevent aliasing defects.

void make_coords (int sx, int sy, real &x, real &y) {
  real dx, dy;
  dx =3D (((real)sx - (real)512) / (real)1024) * xmag1 / mag;
  dy =3D (((real)384 - (real)sy) / (real)768) * ymag1 / mag;
  x =3D center_real + dx;
  y =3D center_imag + dy;
}



// Calculates an adjusted iter from a raw iter based on ires_change.
inline iter adjust_iter (iter i) {
  iter result =3D i - miniter;
  iter r1 =3D result;
  int nearest_mod =3D 1;
  int nmh =3D 1;
  int nm2 =3D 1;
  int r_mod;
  while (r1 > ires_change) {
    nmh =3D nearest_mod;
    nearest_mod *=3D 2;
    ++nm2;
    r1 -=3D ires_change;
    r1 /=3D 2;
  }
  if (nearest_mod =3D=3D 1) return result;
  // Compute result to nearest multiple of nearest_mod.
  r_mod =3D result % nearest_mod;
  result >>=3D nm2;   // Same as /=3D nearest_mod.
  if (r_mod >=3D nmh) ++result; // nmh is 1/2 nearest_mod so result is to=
 be
rounded up.
  result <<=3D nm2;   // Same as *=3D nearest_mod. We have now rounded do=
wn or up,
depending.
  return result;
}



// Find the minimum iteration.
void find_lowest_iter (void) {
  // We compute the image boundary, and thereby locate the minimum iterat=
ion.
If necessary we retroactively adjust
  // the computed iters.

  int sx, sy;
  real x, y;
  iter i;

  miniter =3D maxiter;
  printf ("\nFinding minimum iteration and doing image border.\n");

  // Top edge.
  sy =3D 0;
  for (sx =3D 0; sx < 1024; ++sx) {
    make_coords(sx, sy, x, y);
    i =3D calculate_pixel(x, y);
    if (i < miniter) miniter =3D i;
    iter_data[sy][sx] =3D i;
  }
  printf ("Top edge done.\n");

  // Bottom edge.
  sy =3D 767;
  for (sx =3D 0; sx < 1024; ++sx) {
    make_coords(sx, sy, x, y);
    i =3D calculate_pixel(x, y);
    if (i < miniter) miniter =3D i;
    iter_data[sy][sx] =3D i;
  }
  printf ("Bottom edge done.\n");

  // Left edge.
  sx =3D 0;
  for (sy =3D 1; sy < 767; ++sy) {  // Skip corners, already done.
    make_coords(sx, sy, x, y);
    i =3D calculate_pixel(x, y);
    if (i < miniter) miniter =3D i;
    iter_data[sy][sx] =3D i;
  }
  printf ("Left edge done.\n");

  // Right edge.
  sx =3D 1023;
  for (sy =3D 1; sy < 767; ++sy) {  // Skip corners, already done.
    make_coords(sx, sy, x, y);
    i =3D calculate_pixel(x, y);
    if (i < miniter) miniter =3D i;
    iter_data[sy][sx] =3D i;
  }
  printf ("Right edge done.\n");

  printf ("Minimum iteration is %ld.\n", miniter);
  if (current_alg =3D=3D one) return;
  printf ("Adjusting edge iters.\n");

  // Top edge.
  sy =3D 0;
  for (sx =3D 0; sx < 1024; ++sx) {
    iter_data[sy][sx] =3D adjust_iter(iter_data[sy][sx]);    =

  }

  // Bottom edge.
  sy =3D 767;
  for (sx =3D 0; sx < 1024; ++sx) {
    iter_data[sy][sx] =3D adjust_iter(iter_data[sy][sx]);    =

  }

  // Left edge.
  sx =3D 0;
  for (sy =3D 1; sy < 767; ++sy) {  // The corners are already done.
    iter_data[sy][sx] =3D adjust_iter(iter_data[sy][sx]);    =

  }

  // Top edge.
  sx =3D 1023;
  for (sy =3D 1; sy < 767; ++sy) {  // The corners are already done.
    iter_data[sy][sx] =3D adjust_iter(iter_data[sy][sx]);    =

  }

  printf("Done adjusting edge iters.\n");
}



void do_pixel (int sx, int sy) {
  real x, y;
  if (iter_data[sy][sx] =3D=3D 0) {
    make_coords(sx, sy, x, y);
    iter_data[sy][sx] =3D calculate_pixel(x, y);
    ++pixels_done;
    if (pixels_done >=3D next_report) {
      printf ("%06ld/786432\n",pixels_done);
      next_report=3D(pixels_done/progress_freq)*progress_freq + progress_=
freq;
    }
  }
}

void do_adjusted_pixel (int sx, int sy) {
  real x, y;
  if (iter_data[sy][sx] =3D=3D 0) {
    make_coords(sx, sy, x, y);
    iter_data[sy][sx] =3D calculate_adjusted_pixel(x, y);
    ++pixels_done;
    if (pixels_done >=3D next_report) {
      printf ("%06ld/786432\n",pixels_done);
      next_report=3D(pixels_done/progress_freq)*progress_freq + progress_=
freq;
    }
  }
}

void fill_pixel (int sx, int sy, int i) {
  if (iter_data[sy][sx] =3D=3D 0) {
    iter_data[sy][sx] =3D i;
    ++pixels_done;
    if (pixels_done >=3D next_report) {
      printf ("%06ld/786432\n",pixels_done);
      next_report=3D(pixels_done/progress_freq)*progress_freq + progress_=
freq;
    }
  }
}


// Calculates the fractal.

void calculate_mandel (void) {
  printf("\nComputing iter data.\n");
  per_check_sens =3D per_check_s_base/mag;
  find_lowest_iter();
  printf("\nComputing body.\n");
  printf("003580/786432\n");
  pixels_done=3D3580;
  next_report=3D(pixels_done/progress_freq)*progress_freq + progress_freq=
;
  switch(current_alg) {
    case one:
      one_pass_mandel(); break;
    case tess:
      tesseral_mandel(0, 0, 1023, 767); break;
    case guess:
      guessing_mandel(guess_size);
  }
  if (next_report !=3D 786432 + progress_freq) {
    printf("786432/786432\n");
  }
  printf("\nCalculation complete.\n");
}


void one_pass_mandel (void) {
  for (int sy=3D0; sy<768; ++sy) {
    for (int sx=3D0; sx<1024; ++sx) {
      do_pixel(sx, sy);
    }
  }
}


void tesseral_mandel (int blockx, int blocky, int xblocksize, int yblocks=
ize)
{
  iter cmp;
  bool subdivide =3D false;
  int sx, sy;
  int midx, midy;
  int right =3D blockx + xblocksize;
  int bottom =3D blocky + yblocksize;
  do_adjusted_pixel(blockx, blocky);
  cmp =3D iter_data[blocky][blockx];

  // Top edge.
  sy =3D blocky;
  for (sx =3D blockx; sx <=3D right; ++sx) {
    do_adjusted_pixel(sx, sy);
    if (cmp !=3D iter_data[sy][sx]) subdivide =3D true;
  }

  // Bottom edge.
  sy =3D bottom;
  for (sx =3D blockx; sx <=3D right; ++sx) {
    do_adjusted_pixel(sx, sy);
    if (cmp !=3D iter_data[sy][sx]) subdivide =3D true;
  }

  // Left edge.
  sx =3D blockx;
  for (sy =3D blocky + 1; sy < bottom; ++sy) {  // The corners are alread=
y done.
    do_adjusted_pixel(sx, sy);
    if (cmp !=3D iter_data[sy][sx]) subdivide =3D true;
  }

  // Right edge.
  sx =3D right;
  for (sy =3D blocky + 1; sy < bottom; ++sy) {  // The corners are alread=
y done.
    do_adjusted_pixel(sx, sy);
    if (cmp !=3D iter_data[sy][sx]) subdivide =3D true;
  }

  if (subdivide) {
    if (xblocksize <=3D min_tess_box_size) {
      // Do inside of box pixel by pixel.
      for (sy =3D blocky + 1; sy < bottom; ++sy) {
        for (sx =3D blockx + 1; sx < right; ++sx) {
          do_adjusted_pixel(sx, sy);
        }
      }
      return;
    }
    if (xblocksize >=3D yblocksize) {
      midx =3D (blockx + right)/2;
      tesseral_mandel(blockx, blocky, midx - blockx + 1, yblocksize);
      tesseral_mandel(midx, blocky, right - midx, yblocksize);
      return;
    }
    midy =3D (blocky + bottom)/2;
    tesseral_mandel(blockx, blocky, xblocksize, midy - blocky + 1);
    tesseral_mandel(blockx, midy, xblocksize, bottom - midy);
    return;
  }
  // Fill inside of box.
  for (sy =3D blocky + 1; sy < bottom; ++sy) {
    for (sx =3D blockx + 1; sx < right; ++sx) {
      fill_pixel(sx, sy, cmp);
    }
  }
}


void guessing_mandel (int size) {
  int bx, by, sx, sy;
  iter cmp;
  int s2 =3D size - 1;
  for (by =3D 0; by < 768; by +=3D size) {
    for (bx =3D 0; bx < 1024; bx +=3D size) {
      // Check if box is not filled.
      if (size=3D=3D2 || iter_data[by][bx + 1] =3D=3D 0) {
        // Compute box corners.
        do_adjusted_pixel(bx, by);
        do_adjusted_pixel(bx + s2, by);
        do_adjusted_pixel(bx, by + s2);
        do_adjusted_pixel(bx + s2, by + s2);
        cmp =3D iter_data[by][bx];
        if (iter_data[by][bx + s2] =3D=3D cmp && iter_data[by + s2][bx] =3D=
=3D cmp &&
iter_data[by + s2][bx + s2] =3D=3D cmp) {
          // Fill inside of box.
          for (sy =3D by; sy < by + size; ++sy) {
            for (sx =3D bx; sx < bx + size; ++sx) {
              fill_pixel(sx, sy, cmp);
            }
          }
        }
      }
    }
  }
  if (size>2) guessing_mandel(size/2);
}





---

Here is the srenderm.cc file. It has no command line options as yet. Run =
it
and get an error of or a gfx screen. After
admiring the fractal hit any key to kill gfx and exit to the OS.



// srenderm.cc
// (c) 1999 PGD. Open Source.

// Simple Mandelbrot data renderer.

// Allegro program, loads 1024x768x24 bit gfx mode and iter.dat file, out=
puts
// on video screen the fractal. Coloring is from black at miniter to dark=
 red
at 20% to yellow at 80% to white at 100%.
// Maxiter is colored black.



#include <stdio.h>
#include <allegro.h>



typedef unsigned long iter;

iter iter_data[768][1024];
iter miniter, maxiter, difiter;
bool in_gfx =3D false;

void do_allegro_error (void);
void do_stdio_error (void);
void do_eof_error (void);
bool startup (void);
bool read_iter_value (iter &i, FILE *f);
bool load_data (void);
void render_data (void);
int get_color_for_iter (iter i);
void wait_for_exit (void);


int main (void) {
  if (!startup()) return 1;
  render_data();
  wait_for_exit();
  return 0;
}


void do_allegro_error (void) {
  if (in_gfx) { set_gfx_mode (GFX_TEXT,80,25,0,0); }
  fprintf(stderr, "Error: %s.\n", allegro_error);
}


void do_stdio_error (void) {
  if (in_gfx) { set_gfx_mode (GFX_TEXT,80,25,0,0); }
  perror("Error:");
}


void do_eof_error (void) {
  if (in_gfx) { set_gfx_mode (GFX_TEXT,80,25,0,0); }
  fprintf(stderr, "Unexpected EOF.\n");
}


bool startup (void) {
  if (allegro_init()) { do_allegro_error(); return false; }
  if (install_keyboard()) { do_allegro_error(); return false; }
  set_color_depth(32);
  if (set_gfx_mode(GFX_AUTODETECT, 1024, 768, 0, 0)) {
    set_color_depth(24);
    if (set_gfx_mode(GFX_AUTODETECT, 1024, 768, 0, 0)) {
      set_color_depth(16);
      if (set_gfx_mode(GFX_AUTODETECT, 1024, 768, 0, 0)) {
        set_color_depth(15);
        if (set_gfx_mode(GFX_AUTODETECT, 1024, 768, 0, 0)) {
          do_allegro_error(); return false;
        }
      }
    }
  }
  return load_data();
}


bool read_iter_value (iter &i, FILE *f) {
  int j;
  j =3D fgetc(f);
  if (j =3D=3D EOF) { do_eof_error(); return false; }
  i =3D j << 24;
  j =3D fgetc(f);
  if (j =3D=3D EOF) { do_eof_error(); return false; }
  i +=3D j << 16;
  j =3D fgetc(f);
  if (j =3D=3D EOF) { do_eof_error(); return false; }
  i +=3D j << 8;
  j =3D fgetc(f);
  if (j =3D=3D EOF) { do_eof_error(); return false; }
  i +=3D j;
  return true;
}


bool load_data (void) {
  FILE *f;
  iter i;
  miniter =3D 0;
  --miniter; // Should wrap to maximum value.
  maxiter =3D 0;
  f =3D fopen("iter.dat","rb");
  if (!f) { do_stdio_error(); return false; }
  for (int y=3D0; y<768; ++y) {
    for (int x=3D0; x<1024; ++x) {
      if (!read_iter_value(i, f)) return false;
      iter_data[y][x] =3D i;
      if (i < miniter) miniter =3D i;
      if (i > maxiter) maxiter =3D i;
    }
  }
  if (ferror(f)) { do_stdio_error(); return false; }
  if (fclose(f)) { do_stdio_error(); return false; }
  difiter =3D maxiter - miniter;
  return true;
}


void render_data (void) {
  iter i;
  int col;
  int white =3D makecol(255, 255, 255);
  for (int y=3D0; y<768; ++y) {
    hline(screen, 0, y, 1023, white);
    for (int x=3D0; x<1024; ++x) {
      i =3D iter_data[y][x];
      col =3D get_color_for_iter(i);
      putpixel(screen, x, y, col);
    }
  }
}


int get_color_for_iter (iter i) {
  if (i =3D=3D maxiter) return makecol(0, 0, 0);
  long double d =3D i;
  d -=3D miniter;
  d /=3D difiter;
  int r, g, b;
  if (d<0.002) {
    d *=3D 500;
    d *=3D 96;
    r =3D (int)d;
    return makecol(r, 0, 0);
  }
  if (d<0.152) {
    d -=3D 0.002;
    d /=3D 0.15;
    r =3D 96 + (int)(d*160);
    g =3D (int)(d*256);
    return makecol(r, g, 0);
  }
  d -=3D 0.152;
  d /=3D 0.848;
  d *=3D 256;
  b =3D (int)d;
  return makecol(255, 255, b);
}


void wait_for_exit (void) {
  while (keypressed()) readkey();
  while (!keypressed());
  set_gfx_mode (GFX_TEXT,80,25,0,0);
}

____________________________________________________________________
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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Code improvement: call for ideas
Date: 31 May 1999 22:20:57 MDT

Below is the isolated main iteration loop from my batchm.cc. Any suggesti=
ons
to improve it (chiefly, the periodicity-checking) are welcomed.

As is, it competes with Fractint and I think slightly outperforms it, whe=
n
compiled optimized for Pentium Pro class CPUs and into native 32-bit code=
=2E

(Its performance on low-end 486s and especially coprocessorless machines =
will
probably be underwhelming, however. It is targeted at Pentiums and above.=
)

iter is a short-hand typedef for unsigned long.

iter calculate_pixel (real x, real y) {
  real zx =3D 0;
  real zy =3D 0;
  real zx2 =3D 0;
  real zy2 =3D 0;
  real zzx =3D 0;
  real zzy =3D 0;
  real zzx2 =3D 0;
  real zzy2 =3D 0;
  real dst;
  iter i =3D 0;
  int mod16 =3D 0;

  while (zx2+zy2 <=3D bail_radius_squared && i < maxiter) {
    if (mod16 =3D=3D 16) {
      mod16 =3D 0;
      zzy =3D 2*zzx*zzy + y;
      zzx =3D zzx2 - zzy2 + x;
      zzx2 =3D zzx*zzx;
      zzy2 =3D zzy*zzy;
    }
    ++mod16;
    zy =3D 2*zx*zy + y;
    zx =3D zx2 - zy2 + x;
    zx2 =3D zx*zx;
    zy2 =3D zy*zy;
    ++i;
    dst =3D ldabs(zx - zzx) + ldabs(zy - zzy);
    if (dst < per_check_sens) i =3D maxiter;     // Periodicity checking =
caught
a cycle.
  }
  =

  return i;
}


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Fractal source code.
Date: 31 May 1999 22:40:53 -0600


In article <[e-mail]>,
    Paul Derbyshire <[e-mail]>  writes:

> Attached below are two source files, which are fairly short.

Neither of which have anything to do with fractint.  Paul, please make
sure your posts are relevant before you post...
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: (fractint) new images
Date: 31 May 1999 22:33:38 -0700

It's not much to brag about, but after five months of infractivity
I have finally added five new "gravibrot" images to my site,
including my second layered image.  They can be found at

http://www.hooked.net/~mchris/merge.htm

More to come in the near future...


Aloha, Bud



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) new images
Date: 01 Jun 1999 01:40:28 EDT

In a message dated 5/31/99 11:35:30 PM Mountain Daylight Time,
[e-mail] writes:

> five months of infractivity

What a perfect new word this is! Thank you for appropriate description of the
cliched "dry spell." I like the images too <G>

Dama

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