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fractint-digest         Tuesday, March 9 1999         Volume 01 : Number 375




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

Date: Sun, 07 Mar 1999 11:32:42 +0000
From: Baxter Tocher <[e-mail]>
Subject: Re: (fractint) xfractint

Tim Wegner wrote:

> > I'm trying to get xfractint working on linux, but all i get is "error -
> > can't open xterm".
>
> In ordser to run Xfractint under Linux, X windows has to be set up
> and running. However, Xfractint has something like a disk video

X is running fine.

> mode and can run in text mode if you start it with the -disk option.

I thought this would probably work (though I haven't tried it), but I
want to see it generating the fractal.

- --

Baxter

[e-mail]


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

Date: Sun, 7 Mar 1999 09:01:09 -0500
From: Lee Skinner <[e-mail]>
Subject: (fractint) More bijous o

Morgan,

>>  MoonDog            {
>>  reset=3D1960 type=3Dformula formulafile=3Devenmore.frm
>>  formulaname=3DMandelLattesGen function=3Dacosh
                ^^^^^^^^^^^^^^^   =


>>  frm:MandelLattes(XYAxis)){
        ^^^^^^^^^^^^

Are these referring to two different formulas, or did you change the name=

of the formula??

Lee

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

Date: Sun, 7 Mar 1999 09:58:38 EST
From: [e-mail]
Subject: (fractint) New Par, more on the ca10-08 formula

Further modifications to "Moire Mask", formula  CA10-08. This one is too
interesting for me to move on to anything else just yet.



GermanCross             { ; (C) 1999 P. Kyle  Mod of Moire Mask
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=0.517387/-0.608968/0.01935466/1/44.998
  params=2.71828182845905/0/3.14159265358979/4 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/316/0
  invert=6/0/0
  colors=000<77>zz0zz0yy0<61>110000000001<60>00x00y00x<44>001000000
  }

MsWedge            { ; (C) 1999 P. Kyle  Mod of Moire Mask
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=5.95198/5.93197/1.042011/1/44.998
  params=0.14159265358979/0/2.71828182845905/0 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/316/0
  invert=6/0/0
  colors=000<77>zz0zz0yy0<61>110000000001<60>00x00y00x<44>001000000
  }

MoireAngel             { ; (C) 1999 P. Kyle  Mod of Moire Mask
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=885.915/739.422/0.0001400315/1/-135.001
  params=0.14159265358979/0/2.71828182845905/0 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/377/0
  invert=6/0/0
  colors=000<77>zz0zz0yy0<61>110000000001<60>00x00y00x<44>001000000
  }

MAngel2            { ; (C) 1999 P. Kyle  Mod of Moire Mask
                     ; Moire Angel2
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=885.915/739.422/0.0001400315/1/-135.001
  params=0.14159265358979/0/2.71828182845905/0.01 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/377/0
  invert=6/0/0
  colors=000<78>z00z00y00<61>100000001002<59>00x00y00x<44>001000000
  }

MAngel3            { ; (C) 1999 P. Kyle  Mod of Moire Mask
                     ; Moire Angel 3
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=885.915/739.422/0.0001400315/1/-135.001
  params=0.14159265358979/0/2.71828182845905/0.01 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/345/0
  invert=6/0/0
  colors=000<78>z00z00y00<61>100000001002<59>00x00y00x<44>001000000
  }

Clown              { ; (C) 1999 P. Kyle  Mod of Moire Mask
                     ; Clown
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=-15.034/0.20631/0.01051919/1/-135.001
  params=0.141/0/2.71828182845905/0.01 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/344/0
  invert=6/0/0
  colors=000<78>z00z00y00<61>100000001002<59>00x00y00x<44>001000000
  }

OScallop           { ; (C) 1999 P. Kyle  Mod of Moire Mask
                     ; Ornamental Scallop
  reset=1960 type=formula formulafile=frac_ml.frm formulaname=ca10-08
  center-mag=5947.56/5926.84/0.0001601695/1/-135.001
  params=0.16345234/0/2.71828182845905/0.01 float=y maxiter=147
  inside=maxiter outside=real logmode=fly potential=255/1000/0
  invert=6/0/0
  colors=000<78>z00z00y00<61>100000001002<59>00x00y00x<44>001000000
  }

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

Date: Sun, 7 Mar 1999 10:54:18 -0500
From: Sylvie Gallet <[e-mail]>
Subject: (fractint) Chbyshev.zip version 1.1

Hi Morgan,

>> As has already been mentioned on this list, I've finally gotten around=

>> to releasing a revised version of my Chbyshev.zip collection of
>> formulae, tweaking here, fixing bugs there, and adding some more
>> formulae (2088, to be exact).

  In chby15.frm, all of the alpha formulas have a wrong file number (-05
instead of -15).

  Cheers,

        - Sylvie

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

Date: Sun, 07 Mar 1999 12:17:17 -0600
From: Mike Hammer <[e-mail]>
Subject: Re: (fractint) xfractint

At 04:21 PM 3/6/99 -0600, you wrote:
>Baxter asked:
>
>> I'm trying to get xfractint working on linux, but all i get is "error -
>> can't open xterm".
>
>In order to run Xfractint under Linux, X windows has to be set up
>and running. However, Xfractint has something like a disk video
>mode and can run in text mode if you start it with the -disk option.
>
>Getting X running on Linux is a bigger issue than I can address
>here.
>
>Tim

I also get this same error trying to run Xfractint on
my Rh 5.2 system. This IS with X running. The error is:


"Error opening terminal: xterm."


I have also tried compiling the source but the compiler
aborts complaining about a missing file. The complaint is
when compiling general.c and the missing file is bstring.h

It appears that maybe the source code on http://spanky.triumf.ca
is missing a file.


Mike Hammer
[e-mail]


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

Date: Sun, 07 Mar 1999 13:17:26 -0500
From: Gedeon Peteri <[e-mail]>
Subject: Re: (fractint) Chbyshev.zip version 1.1

Sylvie Gallet wrote:

>   In chby15.frm, all of the alpha formulas have a wrong file number (-05
> instead of -15).

This problem has been corrected in the collection available for download at
my web site.

Gedeon

- --
- --------------------------------------------------------------
Fractals: http://www.geocities.com/~gedeonp/index.html
Member Infinite Fractal Loop
Last updated: March 6, 1999 - updated pages
Photography: http://members.xoom.com/gedeonp/index.html
Last updated: February 23, 1999 - three new pages
- --------------------------------------------------------------



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

Date: Sun, 7 Mar 1999 14:18:08 -0500
From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) Chbyshev.zip version 1.1

Hi Gedeon,

>> This problem has been corrected in the collection available for downlo=
ad
>> at my web site.

  It was not corrected in the collection I downloaded from your site
yesterday! :-)

  Cheers,

        - Sylvie

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

Date: Sun, 7 Mar 1999 20:13:24 +0100
From: "Dean-Christian Strik" <[e-mail]>
Subject: Re: (fractint) xfractint

Mike Hammer wrote:

>I also get this same error trying to run Xfractint on
>my Rh 5.2 system. This IS with X running. The error is:
>
>
>"Error opening terminal: xterm."
>
>I have also tried compiling the source but the compiler
>aborts complaining about a missing file. The complaint is
>when compiling general.c and the missing file is bstring.h


Yeah. I 'reported' this earlier, but never got a reply. I haven't done any
debugging yet.

The execution of the binary [er... I ripped it from my old Slackware 3.4 cd]
works for me though.

- --
Dean-Christian Strik
ICQ: 11760568/15786568
[e-mail]
[e-mail]

Real programmers like vending machine popcorn. Coders pop it in the
microwave oven. Real programmers use the heat given off by the CPU. They can
tell what job is running just by listening to the rate of popping.


>
>It appears that maybe the source code on http://spanky.triumf.ca
>is missing a file.
>
>
>Mike Hammer
>[e-mail]
>
>
>--------------------------------------------------------------
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>Post Message:   [e-mail]
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>Unsubscribe:    [e-mail] "unsubscribe fractint"
>



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

Date: Sun, 07 Mar 1999 14:35:28 -0500
From: Gedeon Peteri <[e-mail]>
Subject: Re: (fractint) Chbyshev.zip version 1.1

Hi Sylvie,

You are right! It was corrected this morning thanks to you calling the matter
to our attention.

Gedeon

Sylvie Gallet wrote:

> Hi Gedeon,
>
> >> This problem has been corrected in the collection available for download
> >> at my web site.
>
>   It was not corrected in the collection I downloaded from your site
> yesterday! :-)
>
>   Cheers,
>
>         - Sylvie
>
> --------------------------------------------------------------
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> Post Message:   [e-mail]
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- --
- --------------------------------------------------------------
Fractals: http://www.geocities.com/~gedeonp/index.html
Member Infinite Fractal Loop
Last updated: March 6, 1999 - updated pages
Photography: http://members.xoom.com/gedeonp/index.html
Last updated: February 23, 1999 - three new pages
- --------------------------------------------------------------



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

Date: Sun, 07 Mar 1999 15:07:18 -0500
From: Tom Conally <[e-mail]>
Subject: (fractint) joke

Maybe a little off topic but give it a chance beforew you push the delete
key, OK?

A doctor, a civil engineer, and a computer scientist were arguing
about what was the oldest profession in the world. The doctor
remarked "Well, in the Bible it says that God created Eve from a rib
taken from Adam. This clearly required surgery so I can rightly
claim that mine is the oldest profession in the world."

The civil engineer interrupted and said "But even earlier in the
book of Genesis, it states that God created the order of the heavens
and the earth from out of the chaos. This was the first and
certainly the most spectacular application of civil engineering.
Therefore, fair doctor, you are wrong; mine is the oldest profession
in the world."

The computer scientist leaned back in his chair, smiled, and said
confidently, "Ah, but who do you think created the chaos?"


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

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

Date: Sun, 7 Mar 1999 16:24:23 -0500
From: "efeder" <[e-mail]>
Subject: (fractint) Getting started now that I have teh Dos version.

Hi. I am new to the list and need help getting started. It seems the program
use canned formulae with you having the ability to vary certain attributes.

I just can't get to the starting gate to begin trying different things. The
demos are great. I'd like to get some of my own begun.

Can anyone help with some basic starting instructions please???
I appreciate all help very much.

David


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

Date: Mon, 8 Mar 1999 00:14:37 +0100
From: "Dean-Christian Strik" <[e-mail]>
Subject: Re: (fractint) joke

Hi,

It's the 'chaos' part that justifies posting it here. But if you insist in
posting a joke, please don't post old jokes :)

- --
Dean-Christian Strik
ICQ: 11760568/15786568
[e-mail]
[e-mail]

Real programmers like vending machine popcorn. Coders pop it in the
microwave oven. Real programmers use the heat given off by the CPU. They can
tell what job is running just by listening to the rate of popping.

- -----Original Message-----
From: Tom Conally <[e-mail]>
To: [e-mail] <[e-mail]>
Date: zondag 7 maart 1999 21 09 Fluxen
Subject: (fractint) joke


[snip]
>The computer scientist leaned back in his chair, smiled, and said
>confidently, "Ah, but who do you think created the chaos?"




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

Date: Sun, 7 Mar 1999 23:10 0000
From: [e-mail]
Subject: (fractint) Paste & Go V1.3, get it while it's hot!

Hi Folks,

The Latest (and probably last for a while) version of my windows
front end for fractint is now available from it's own little web page at:
http://web.ukonline.co.uk/robin.b2/pastengo.htm
So if you want the task of rendering the pars from this list made
easier why not pop over and look, tt's free and now features a
customisable set of command line parameters so you can easily
select, say, disk video rendering for slow background renders.

It's all free in the finest of fractint tradtion so why not give it a go.

Cheers,
         Robin.







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

Date: Mon, 08 Mar 1999 13:33:58 +1300
From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) More bijous o

At 09:01 07/03/99 -0500, Lee wrote:
>Morgan,
>
>>  formulaname=MandelLattesGen function=acosh
>>  frm:MandelLattes(XYAxis)){
>
>Are these referring to two different formulas, or did you change the name
>of the formula??
>
>Lee
>
Different formulae - the one I _should_ have posted is a generalisation of
the other. Sorry; I seem to be good at this sort of booboo :-S

MandelLattesGen(Origin){
bailout=real(p2)+100
z=c=pixel:
zz=sqr(z)
z=c*fn1(zz+1)/(z*(zz-1))
|z|<=bailout}




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

Date: Tue, 9 Mar 1999 00:17:38 EST
From: [e-mail]
Subject: (fractint) Couple pars and comments

    It scares me to think that fractint has become 'old hat' to the veterans but
us newbies need to carry the torch.  So dazzled and psyched I was when I
joined the list and could actually commune with others who enjoyed math and
art...But alas I became what IRC people call leeches and idlers.  I just
looked at image upon image taking but never contibuting anything new. The
process of creating a formula/image requires praise and criticism and someone
elses' perspective;  if there is none of that then creativity grinds to a
halt.  Are my images and formulas good enough? I ask myself constantly but
fear the worst and don't post.
    I am  posting some pars because they may not be highly polished or radically
different but they are a slivers of my personality.
    If we want to have a fixed formula face off (if you think it'll get the
creative juices running) lets use a builtin, or pick a formula,  or an
equation that you must use in your formula.  What about for one week no one
does any escape time fractals and only do IFS or L-systems?
    Ive ranted enough.  Sorry if I insulted anyone.
Enjoy the pars....Tell me what you think...show me what I didn't see.

As always best regards
Rui

Rosa_Fina          { ; (c) R Parracho Mar 06, 1999 t=  0:03:07.29 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm
  formulaname=rsp_a301
  center-mag=-0.13082936812571900/+2.70607123495860400/187.162/1/-122.499
  params=16/9/0.0001/0 float=y maxiter=256 periodicity=0
  colors=CCCsf`<8>qbN<14>rghshjrgi<13>`LUZJS_KT<13>qegsgireh<12>fMQeKPeLQ<\
  14>shj<14>iLHhJEhKG<13>rfgshjshh<14>tWF<15>shj<15>s_E<15>shj<15>ndD<15>s\
  hj<14>mlOlmMlmN<14>shj<5>sfa
  }
Mandel_Oohs        { ; (c) R Parracho Mar 07, 1999 t=  0:01:01.91 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm
  formulaname=rsp_a304 center-mag=-0.826291/0/0.6666667 params=0/0
  float=y maxiter=256 outside=atan periodicity=0
  colors=000000zb0<12>740310000`QV<12>423111000S8`<12>304101000OUY<10>5794\
  56234111000zVW<12>733311000e3L<11>703502201000kmx<12>567223000_mj<12>465\
  1220000OJ<11>043021011000ohh<12>655222000www<12>777333000jQU<12>52321100\
  0i0w<12>507203000CWn<5>6HS5FP4DL3BH28E16A146013000iXc<14>000_mj<13>122
  }

Bound_Ries         { ; (c) R Parracho Mar 07, 1999 t=  0:01:06.89 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm
  formulaname=rsp_a304
  center-mag=-1.26131/0.394889/9.214212/1/-32.5 params=0/0 float=y
  maxiter=256 outside=atan periodicity=0
  colors=0000CC<15>0zz<12>0CC00O<14>FFwGGzFFw<11>00OSA`<14>eNxfOzeNw<11>I0\
  KO08<15>z0f<12>O08O00<15>z88<12>O00c40<14>xU0zW0yU0<11>c40aG0<15>zz0<12>\
  aG00C4<15>0zR<12>0C4000<10>000zzz000O08
  }
Bound_Ries2        { ; (c) R Parracho Mar 07, 1999 t=  0:03:26.13 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm
  formulaname=rsp_a304
  center-mag=-1.25604988554883600/+0.38310660194760410/6984.697/1/-32.499
  params=0/0 float=y maxiter=256 outside=summ periodicity=0
  colors=000zS0zU0zW0zZ0za0ze0<2>zm0zp0zt0zv0zy0zv2zt4<2>zjAzgCzeEzaGzZIzW\
  KzUMzSOzPQ<2>zIWuFY<2>iAcd8e`7gX6iS4k<3>D1s90u70w30y000000300700900<3>P3\
  0S40X60`70<3>qE0uF0zI0zK0zM0zP0zS0zU0zW0zZ0za0ze0<2>zm0zp0zt0zv0zy2zv4zt\
  6<2>zjCzgEzeGzaIzZKzWMzUOzSQzPS<2>zIYuF_<2>iAed8g`7iX6kS4m<3>D1u90w70y30\
  0000000300700900<3>P30S40X60`70<3>qE0uF0zI0zK0zM0zP0zS0zU0zW0zZ0za0ze0<2\
  >zm0zp0zt0zv2zy4zv6zt8<2>zjEzgGzeIzaKzZMzWOzUQzSSzPU<2>zI_uFa<2>iAgd8i`7\
  kX6mS4o<3>D1w90y700300000000300700900<3>P30S40X60`70<3>qE0uF0zI0zK0zM0zP\
  0zS0zU0zW0zZ0za0ze0<2>zm0zp0zt2zv4zy6zv8ztA<2>zjGzgIzeKzaMzZOzWQzUSzSUzP\
  W<2>zIauFc<2>iAid8k`7mX6oS4q<3>D1y300700900<3>P30S40X60`70<3>qE0uF0zI0<2\
  >zP0
  }

Feel_it            { ; (c) R Parracho Mar 07, 1999 t=  0:04:22.21 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm
  formulaname=rsp_a305
  center-mag=-0.72564879887744840/+0.28204615384615440/76.35453
  params=1.414/0/1.8/0 float=y maxiter=256 inside=2 outside=atan
  logmap=6 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
  }

Cata_Comber        { ; (c) R Parracho Mar 07, 1999 t=  0:07:11.87 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm formulaname=rsp_a309
  function=log center-mag=-0.564296/0.645084/42.19409 params=1/0/2/0
  float=y maxiter=256 inside=2 periodicity=0
  colors=000<2>845SFID79<7>_JObLQeNShPUiQV<12>xdi<4>m`gk_fiZefYddYd<4>UT`S\
  S`PR_NR_LQZ<5>7KU<10>KTUMUUNVUPWTQXT<9>aeTcfSdgSfhSghS<5>nnSpoSqpSsqRsqR\
  spRHRU<13>poSsqRspRroR<5>jSghOjhOj<14>hOpiPqiRq<12>cpvbswcrw<13>sYwuWxuW\
  w<13>yY`zZZzZZ<13>zVgzUhxVi<13>XpxVrzUrw<14>0d8<15>eHuhFyhFy<5>kHu
  }

Gift_wrap          { ; (c) R Parracho Mar 07, 1999 t=  0:02:15.95 66mhz
  reset=1960 type=formula formulafile=rsp_mar.frm formulaname=rsp_a309
  function=ident
  center-mag=-1.25395894428152500/+0.38096479791395010/78.17386
  params=2/0/4/0 float=y maxiter=256 inside=2 periodicity=0
  colors=000E0l<5>z00z60<6>zy0tz0<4>Hz0Ex5<4>0gZ<2>0Jn08u20x<6>v04z20<5>zm\
  0zu0xz0<3>Tz0Lz0Fy2<4>2jW0bb0Sh0Jn08u20x<6>v04z20<5>zm0zu0xz0<3>Tz0Lz0Fy\
  2<4>2jW0bb0Sh0Eq03x60t<6>z00z60<6>zy0tz0<4>Hz0Ex5<4>0gZ0Ye0Nk0Eq03x60t<6\
  >z00z60<6>zy0tz0<4>Hz0Ex5<4>0gZ0Sh0Jn08u20x<6>v04z20<5>zm0zu0xz0<3>Tz0Lz\
  0Fy2<4>2jW0bb0Sh0Jn08u20x<6>v04z20<5>zm0zu0xz0<3>Tz0Lz0Fy2<4>2jW0bb0Sh0E\
  q03x60t<6>z00z60<6>zy0tz0<4>Hz0Ex5<4>0gZ0Ye0Nk0Eq03x60t
  }

frm:rsp_a309{;rsp 3/99
c=z=pixel:
oz=z
z=z*z+c
test=fn1(z)/|oz|
|test|<p1 || |test|>p2}


frm:rsp_a305{;rsp 3/99
c=z=pixel:
oz=z
z=z*z+c
test=c*|z|/|oz|
|test|<p1 || |test|>p2}


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

frm:rsp_a301{;rsp 3/99
r=p1,c=z=pixel:
oz=z, z2=z*z,
z=r*(c/(z2*z2*z)+1/z2)
|z/oz|>p2}


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Date: Mon, 8 Mar 1999 22:42:13 -0800
From: John Wilson <[e-mail]>
Subject: Re: (fractint) Couple pars and comments

,

Monday, March 08, 1999, RParacho wrote:

Rac>         It scares me to think that fractint has become 'old hat' to the veterans but
Rac> us newbies need to carry the torch.

Newbie?  Wow.  Wish I could produce something like your Mandel_Oohs!
Congratulations.


 John W.                           mailto:[e-mail]



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Date: Wed, 03 Mar 1999 19:22:32 -0500
From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Re: Baby Brots

Here is the repost.

At 11:34 AM 2/20/99 +1100, you wrote:
> I saw an extract from BOF on the web recently that sort of made this thing
>about finding the Mandelbrot set in fractals generated from other functions
>sound rather mundane: "The reason for this is that the family of functions
>f(z)=z*z+c captures the typical behavior of many high iterates of functions
>near places where the derivative is zero..."

I never saw any such phrase inmy copy of BOF.

Anyways, the mini-Mset will generally appear whenever these conditions are
met:
1. The parameter z_0 is chosen where f' is zero.
2. At that location f'' is non-zero.
3. The set { z : |f'(z)| <= 1 } has a connected component containing
   z_0 and containing no other critical points, and is bounded.

If condition 3 is violated a mini Mset appears but may be distorted
and fused to others in a weird way, or even stretched infinitely.

If condition 2 is violated, the Mset is not quadratic, and you see a
degree-n Mset (3 or above) when f', ..., f(n-1) are zero at z_0 and f(n) is
non-zero. If all derivatives are zero at z_0 you get an exponential-family
Mandelbrot. (Note that for e^z, all derivatives tend to zero at -inf, and
the forward image of -inf is 0, so we get an exponential Mset for e^z+c and
z_0 = 0.)

If condition 1 is violated you get a perturbed set that has some M-set
properties, mostly determined by the nature of the critical point closest
to z_0.

>When I looked at the Magnet fractals before writing I noticed that as well
>as the Mandelbrot version producing copies of the Mandelbrot set, the Julia
>version produced copies of Julia sets--just like the formulas I posted the
>other day. I wonder if that holds true for any formula in which the
>Mandelbrot form appears.

Of course... they're part of the same 4 dimensional Mandel-Julia object
that occurs in the z_0xc parameter space near points where:

* f'z(z,c) = 0   (differentiating with respect to z)
* f(z,c) = z
* f''z(z,c) != 0 (for quadratic M/Jul)

and preimages of such points.

- --
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
- -()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://surf.to/pgd.net
_____________________ ____|________     Paul Derbyshire     [e-mail]
Programmer & Humanist|ICQ: 10423848|

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Date: Tue, 09 Mar 1999 22:01:47 +1300
From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Couple pars and comments

At 00:17 09/03/99 EST, you wrote:
>...But alas I became what IRC people call leeches and idlers...
>
If you still consider yourself a newbie (and I can't see how given your
images!), then lurking is nothing to be ashamed about. In fact, it's almost
a law of the Internet that "Lurking is encouraged for beginners who need to
get up to speed on the history of the group." (RFC1983).

>The process of creating a formula/image requires praise and criticism and
>someone elses' perspective;  if there is none of that then creativity
grinds to
>a halt.  Are my images and formulas good enough? I ask myself constantly but
>fear the worst and don't post.
>
If you find yourself pondering "is this good enough to post?" then it's
probably good enough to at least post. Someone else with a perspective
different from yours may like it better than yourself; and it may be taken
and turned it into something that surprises even you, and gives you new
ideas for avenues to explore. (I say this from experience.)


Morgan L. Owens



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Date: Tue, 09 Mar 1999 22:01:47 +1300
From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Couple pars and comments

At 00:17 09/03/99 EST, you wrote:
>...But alas I became what IRC people call leeches and idlers...
>
If you still consider yourself a newbie (and I can't see how given your
images!), then lurking is nothing to be ashamed about. In fact, it's almost
a law of the Internet that "Lurking is encouraged for beginners who need to
get up to speed on the history of the group." (RFC1983).

>The process of creating a formula/image requires praise and criticism and
>someone elses' perspective;  if there is none of that then creativity
grinds to
>a halt.  Are my images and formulas good enough? I ask myself constantly but
>fear the worst and don't post.
>
If you find yourself pondering "is this good enough to post?" then it's
probably good enough to at least post. Someone else with a perspective
different from yours may like it better than yourself; and it may be taken
and turned it into something that surprises even you, and gives you new
ideas for avenues to explore. (I say this from experience.)


Morgan L. Owens



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

Date: Tue, 09 Mar 1999 08:21:06 -0500
From: davides <[e-mail]>
Subject: Re: (fractint) Couple pars etc...

At 12:17 AM 3/9/1999 EST, you wrote:
    "It scares me to think that fractint has become 'old hat' to the veterans
but us newbies need to carry the torch.  So dazzled and psyched I was when
I joined the list and could actually commune with others who enjoyed math
and art..."

Maybe 'old hat', but there is still a wee tad of life in fractint. Mandel
0oh resulted in some additions to my "New_Dimension" file, generally
recoloring. Along with those I am adding a few others (From ND275 - ND285).
The color map for ND281 _may_ be one of Paul Carlson's maps; I'm not
certain.  I had been putting the name of the color map into the par in
order to prevent any question as to just who made the color map but have
lately become a bit lazy. The other pars where the color maps are not named
are mine - dav94, 94a, 94b or otherwise, for instance the pars generated
from one of Jim Muth's formulas.

The formula file names in the pars are my own "system"; if this causes any
difficulty, email me privately and I will send the formula. This, however,
will doubtlessly be unneccesary. FWIW:

==========================================================================>

New_Dimension275   { ;  (c) David Shanholtzer Feb 24, 1999 t=  0:01:55.67
                     ;  P200 MMX 1024x768
                     ; color map: dsgldsii
  reset=1960 type=formula formulafile=carlson.frm
  formulaname=bubbles_julia_mset passes=t center-mag=0/0/6.666667/1/10
  params=-0.8149999999999999/0.197/0.165/16/2/125 float=y
  maxiter=10000 outside=summ logmode=fly viewwindows=1/0.75/yes/0/0
  colors=000zzw<123>000yhW<123>000000000000000000
  }

New_Dimension278   { ;  (c) David Shanholtzer Feb 25, 1999 t=  0:00:40.37
                     ;  P200 MMX 1024x768
  reset=1960 type=formula formulafile=_m.frm
  formulaname=multirot-xy-zw function=ident/flip/sinh/sqr
  center-mag=0.58651/5.55112e-016/1.718213/1/90
  params=89.25/91.25/0/0/0.29/0 float=y maxiter=15000 bailout=25
  inside=maxiter outside=mult decomp=256 symmetry=xaxis periodicity=10
  colors=B31B31A20<32>yhW<12>H85<17>V17W08W19<44>vkuwmwwlv<29>X22W00W00<43\
  >A20<10>yhW<7>gVLeTKeTK<42>C41 orbitdelay=6
  }

New_Dimension276   { ;  (c) David Shanholtzer Feb 25, 1999 t=  0:01:07.22
                     ;  P200 MMX 1024x768
  reset=1960 type=formula formulafile=_m.frm
  formulaname=multirot-xy-zw function=ident/flip/sinh/sinh
  center-mag=0.516129/-0.269883/34.36426 params=65/75/0/0/0.29/0
  float=y maxiter=15000 bailout=25 inside=maxiter outside=mult
  decomp=256 symmetry=xaxis periodicity=10
  colors=B31B31A20<32>yhW<12>H85<17>V17W08W19<44>vkuwmwwlv<29>X22W00W00<43\
  >A20<10>yhW<7>gVLeTKeTK<42>C41 orbitdelay=6
  }

New_Dimension277   { ;  (c) David Shanholtzer Feb 25, 1999 t=  0:00:35.21
                     ;  P200 MMX 1024x768
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=hc_julstar function=atan/cosh/tan/tan
  center-mag=-0.00002725899199133/-0.00000704336893747/167.6242/1/12.496
  params=-0.325/0.775/5/-4.2/-0.315/-0.5 float=y maxiter=600000
  bailout=100 fillcolor=0 inside=maxiter outside=summ logmode=fly
  periodicity=0 viewwindows=1/0.75/yes/0/0
  colors=006qaR<4>yhW<12>H85<17>V17W08W19<44>vkuwmwwlv<29>X22W00W00<43>A20\
  <10>yhW<7>gVLeTKeTK<43>B31A20B30<25>o`Q orbitdelay=4
  }

New_Dimension279   { ;  (c) David Shanholtzer Feb 25, 1999 t=  0:03:47.06
                     ;  P200 MMX 1024x768
                     ; color map: dav100
  reset=1960 type=formula formulafile=carlson.frm
  formulaname=bubbles_julia_mset passes=t
  center-mag=-4.44089e-016/3.33067e-016/0.8912656/1/-25
  params=-0.746410388/0.117326/0.188/16/2/125 float=y maxiter=10000
  outside=summ logmode=fly viewwindows=1/0.75/yes/0/0
  colors=000wwm<123>K00cww<125>0AK000000000
  }

New_Dimension280   { ;  (c) David Shanholtzer Feb 25, 1999 t=  0:31:46.46
                     ;  P200 MMX 1024x768
                     ; color map: dav100
  reset=1960 type=formula formulafile=carlson.frm
  formulaname=bubbles_julia_mset passes=t
  center-mag=-0.500934/0.0569428/13.92602/1/-25
  params=-0.746410388/0.117326/0.188/16/2/125 float=y maxiter=10000
  outside=summ logmode=fly viewwindows=1/0.75/yes/0/0
  colors=000wwm<123>K00cww<125>0AK000000000
  }

New_Dimension281   { ;  (c) David Shanholtzer Feb 28, 1999 t=  0:04:36.93

                    ;  P200 MMX 1024x768
  reset=1960 type=formula formulafile=carlson.frm
  formulaname=bubbles_julia_mset passes=t
  center-mag=0.512219/-0.0899609/6.666667
  params=-0.75745/0.184309007/0.188/16/2/125 float=y maxiter=1000000
  inside=zmag outside=summ colors=000GGz<123>00O0cw<123>00F000<3>000
  orbitdelay=16
  }

New_Dimension282   { ;  (c) David Shanholtzer Mar 09, 1999 t=  0:02:27.14
                     ;  P200 MMX 1024x768
                     ; color map: dav25f
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=starbail_jul passes=1
  center-mag=0.269795/0.58279/3.875969 params=0.535/0.275/0/0/5/23
  float=y maxiter=175 inside=100 outside=summ logmode=fly decomp=256
  periodicity=0 viewwindows=1/0.75/yes/0/0
  colors=dGh<2>lLq<30>G1IE0GF0G<30>lBh000<175>000E0G<9>bFf
  cyclerange=0/255 orbitdelay=2
  }

New_Dimension283   { ;  (c) David Shanholtzer Mar 09, 1999 t=  0:04:30.94
                     ;  P200 MMX 1024x768
  reset=1960 type=formula formulafile=rparrach.frm
  formulaname=rsp_a304 passes=t center-mag=-0.826291/0/0.6666667
  float=y maxiter=5000 inside=zmag outside=atan periodicity=0
  colors=MC8MC8<15>B31A20B30<31>yhW<12>H85<17>V17W08W19<44>vkuwmwwlv<29>X2\
  2W00W00<43>A20<10>yhW<7>gVLeTKeTK<26>ND8 orbitdelay=4
  }

New_Dimension284   { ;  (c) David Shanholtzer Mar 09, 1999 t=  0:04:30.94
                     ;  P200 MMX 1024x768
                     ; color cycling of ND283
  reset=1960 type=formula formulafile=rparrach.frm
  formulaname=rsp_a304 passes=t center-mag=-0.826291/0/0.6666667
  float=y maxiter=5000 inside=zmag outside=atan periodicity=0
  colors=sfp<4>ujtvkuwmw<30>X22W00W00<43>A20<10>yhW<7>gVLeTKeTK<43>B31A20B\
  30<31>yhW<12>H85<17>V17W08W19<38>reo orbitdelay=4
  }

New_Dimension285   { ;  (c) David Shanholtzer Mar 09, 1999 t=  0:04:30.94
                     ;  P200 MMX 1024x768
                     ; color cycling of ND283
  reset=1960 type=formula formulafile=rparrach.frm
  formulaname=rsp_a304 passes=t center-mag=-0.826291/0/0.6666667
  float=y maxiter=5000 inside=zmag outside=atan periodicity=0
  colors=303<68>505505606607<37>D0FE0GG1I<12>lLq<30>G1IE0GF0G<24>e8bmcw<32\
  >909100<36>K00 orbitdelay=4
  }
[e-mail]
[e-mail]
Back up my hard drive?
How do I put it in reverse?

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

Date: Tue, 09 Mar 1999 11:28:56 -0500
From: Gedeon Peteri <[e-mail]>
Subject: (fractint) more Chebyshevs

I added a third page of new Chebyshev images to my Geocities site. I
hope you enjoy them.

Gedeon

- --
- --------------------------------------------------------------
Fractals: http://www.geocities.com/~gedeonp/index.html
Member Infinite Fractal Loop
Last updated: March 9, 1999 - new page added
Photography: http://members.xoom.com/gedeonp/index.html
Last updated: February 23, 1999 - three new pages
- --------------------------------------------------------------



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

End of fractint-digest V1 #375
******************************