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fractint-digest         Tuesday, April 7 1998         Volume 01 : Number 159




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

Date: Tue, 7 Apr 1998 09:10:10 -0400
From: Lee Skinner <[e-mail]>
Subject: (fractint) Matrox proble

Angela,

>>I thought Sylvie has written a driver for the Millenium II card and tha=
t
it works just fine with that. Was I wrong? We are in buying mode big time=

here at Chez Wizzle. Please advise ASAP.<<

Both Les St Clair and I have 8Mb Maatrox Millienium II cards.  Fractint
works great with it both under DOS 6.2.2 and Windows 95.  NT is the probl=
em
here.

Lee Skinner

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

Date: Tue, 7 Apr 1998 09:35:51 -0400 (EDT)
From: Ian Kaplan <[e-mail]>
Subject: Re: (fractint) Matrox proble

> Both Les St Clair and I have 8Mb Maatrox Millienium II cards.  Fractint
> works great with it both under DOS 6.2.2 and Windows 95.  NT is the problem
> here.
>
> Lee Skinner
>

There's a pretty fair chance that NT 5 will correct this problem or allow
Matrox to write drivers that correct this problem; NT5 makes a major move
towards Microsoft's dreams of a common kernel that is expected to make
DOS compatibility a bit better... Of course, this being a Microsoft
product, there's a fair chance that this won't really end up working, and
that NT will continue to miss multitudes of release dates; but a
semi-functional beta 3 release of the OS is fairly widely availible for
testing, so if anyone wants to try fractint on it...


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Date: Tue, 07 Apr 1998 06:36:03 -0700 (PDT)
From: Jiho Kim <[e-mail]>
Subject: Re: (fractint) Bailout condition

I couldn't get a interesting image from z=z^2+c and the bailout condition
that I made, but I got an interesting image from z=sin(z)+c.

FRM:From_Jiho1 { ; Jiho Kim
   z = 0, c = Pixel:
   z = sin(z)+c,
   |fn1(z+p1)| > |fn2(z)|
  }

fractal6           { ; Public Domain
                     ; hard to describe
  reset=1960 type=formula formulafile=jiho.frm formulaname=From_Jiho1
  function=exp/cos
center-mag=+796.50820489757170000/-2.16604971052968700/1.004576e+009/0.7\
  5 params=0/0 float=y maxiter=2147483647 bailout=6 inside=maxiter
  potential=255/255/0
colors=00z<6>zzz<7>z0000u<6>uuu<7>u0000p<6>ppp<7>p0000k<6>kkk<7>k0000f<6\
>fff<7>f0000a<6>aaa<7>a0000X<6>XXX<7>X0000S<6>SSS<7>S0050X<6>SSS<7>X05A0\
a<6>XXX<7>a0AF0f<6>aaa<7>f0FK0k<6>fff<7>k0KP0p<6>kkk<7>p0PU0u<6>ppp<7>u0\
UZ0z<6>uuu<7>z0Zc0z<6>zzz<7>z0c
  }

fractal7           { ; Public Domain
  reset=1960 type=formula formulafile=jiho.frm formulaname=From_Jiho1
  function=sqr/cos center-mag=0/0/0.007107235 params=0/0 float=y
  maxiter=2147483647 bailout=6 inside=maxiter potential=255/255/0
colors=00z<6>zzz<7>z0000u<6>uuu<7>u0000p<6>ppp<7>p0000k<6>kkk<7>k0000f<6\
>fff<7>f0000a<6>aaa<7>a0000X<6>XXX<7>X0000S<6>SSS<7>S0050X<6>SSS<7>X05A0\
a<6>XXX<7>a0AF0f<6>aaa<7>f0FK0k<6>fff<7>k0KP0p<6>kkk<7>p0PU0u<6>ppp<7>u0\
UZ0z<6>uuu<7>z0Zc0z<6>zzz<7>z0c
  }

I'll work more on this later, I need to sleep!

Regards,

Jiho


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Date: Tue, 7 Apr 1998 09:37:56 -0400
From: [e-mail]
Subject: Re: (fractint) Matrox problems...

Wizzle wrote:
>>>I thought Sylvie has written a driver for the Millenium II card and that
it
works just fine with that. Was I wrong? We are in buying mode big time here
at Chez Wizzle. Please advise ASAP.
Angela
P.s. so what DOES work with Fractint. I'm getting a 19" monitor so need an
8mgb card at least.<<<

Get the Millenium. I have the original Matrox Millenium and am quite happy
with it. I use OS/2 and Windows NT but there are many Fractint users that
use the Matrox with 95. Fractint will not run in SVGA modes under NT but as
others have stated this is because of NT, it has nothing to do with the
card. Sylvie's Matrox driver for 1600x1200x256 is built into Fractint 19.6
and works fine. For 1280x1024x256, 1024x768, 800x600x256, etc., the
Fractint VESA modes work fine. You only need a 4Mb card for 1600x1200x256
but you may want to get the 8Mb anyway for the future. I think it is more
expensive if you upgrade later. The last I checked (about a year ago), the
Millenium had better DOS compatibility than most other cards. Newer cards
have fancy 3D features for the new Windows games but may not be 100%
backward compatible with DOS. Also, be sure that your monitor will handle
1600x1200. If you have any other questions on video cards or monitors, I
will be glad to try and answer them. You can send me email directly if it
doesn't relate to fractals.

Nick
[e-mail]



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

Date: Tue, 7 Apr 1998 09:10:11 -0400
From: Lee Skinner <[e-mail]>
Subject: (fractint) New Colormaps

Tim,

  In light of all the discussion on the Fractint list about maps and
color-only pars, I suggest two further color options when creating pars:

1)  Colors-only  (default=3Dno)
    This could also be put into sstools.ini when user wants do do a bunch=

    this way via makepar.

2)  Interpolate Colors  (default=3Dyes)

    This would allow the par-maker to insure exact colors in those rare
cases where the color pars are interpolated differently from the actual o=
r
map file colors.  Only if this option is implemented should map files be
phased out as Derbyshire suggests.

Lee

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

Date: Tue, 07 Apr 1998 07:30:47 PDT
From: "Paul Derbyshire" <[e-mail]>
Subject: Re: (fractint) Herman rings?

Nope...they'remore like Siegel disks with the center punched out. Only
certain formulas produce them; and they all involve division. Check the
archives for hring.frm and .par and nuclear.frm and .par.
- --
   .*.  "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   | Paul Derbyshire (PGD) [e-mail]
______________________ ____|_____________          [e-mail]
Programmer & Humanist |  ICQ:  10423848  | http://chat.carleton.ca/~pderbysh

______________________________________________________
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------------------------------

Date: Tue, 07 Apr 1998 08:45:18 -0700
From: Ryan Jameson <[e-mail]>
Subject: Re: (fractint) Matrox problems...

At 07:14 AM 4/6/98 -0700, you wrote:
>Oh goody goody goody!!! Not only do I get to buy the Matrox card but I can
>rub the NT problem in the nose of my smart-*ss kid who thinks NT is the be
>all and end all. Love it!!!! I'm resisting his push to NT-ize my new puter.
>
>Angela

Why not just dual boot between both operating systems? That way you have
the benefits of both. (Well... I guess the only benefits of 95 are running
Fractint well, and games...)

Ryan

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

Date: Mon, 06 Apr 1998 17:12:51 -0400
From: Peter Jakubowicz <[e-mail]>
Subject: Re: (fractint) Matrox problems...

>I find the same problem with my NT machine at work which has a different
video
>card (cirrus logic ) , it won't run a full screen dos session any higher
than 640x480x256 ... which is the maximum that
>was available on the original VGA cards which is what the HAL is probably
designed around.
>
>Disk video should work however so you can use the low res mode to search
for the
>right image, switch to disk video to render it, then display the resultant
file using a windows image viewing program...
>a bit long winded but workable.

This is the exact problem I have running Fractint under Win95 w/ my new
Diamond Fire GL 1000 Pro card: which I agree is better than not being able
run it at all, but still anyone considering this card shld be aware of this
potential problem. On the other hand, if someone buys it and figures out
how to make Fractint run at high rez, I wld sure appreciate hearing from
them, as I have exhausted my admittedly small back of tricks :)


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

Date: Tue, 07 Apr 1998 10:19:06 -0500
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Ryan,

 - Why not just dual boot between both operating systems?

Because then you're wasting space installing two operating systems instead
of one, and you have the headache of installing apps in both operating
systems if you want to use them in both systems, or the nuisance of having
to reboot if you want to use an app that's only installed on the other
system.  And there's the headaches of dealing with NT's security model,
which is a pain in the neck for home use.

I've got a dual-boot machine that I use, I did it only to test software.
Otherwise I would not mess with NT.  Dual-boot is not a good general
solution, either; choosing a single operating system (usually 95) is.

Damien M. Jones   \\
[e-mail]  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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

Date: Tue, 07 Apr 1998 10:52:10 -0500
From: Felix <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Paul Derbyshire wrote:

> Sadly, your computers are suffering from Windosis NTeritis. This is an
> incurable condition marked by severe symptoms inculding an inability to
> run DOS apps in SVGA modes. The only recourse is to humanely put the
> afflicted machines to sleep. Then install W95.

Ahhh, but then it'll still be suffering from acute microsoftisis, a common
malady that many today find incurable.

- --
| Andrew Duhan    |  Cereal is g00d   |
| [e-mail]  |   ICQ 10363110    |
| http://chimera.acs.ttu.edu/~aduhan/ |



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

Date: Tue, 07 Apr 1998 16:53:20 +0100
From: robin bussell <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Wizzle wrote:
>
> Oh goody goody goody!!! Not only do I get to buy the Matrox card but I can
> rub the NT problem in the nose of my smart-*ss kid who thinks NT is the be
> all and end all. Love it!!!! I'm resisting his push to NT-ize my new puter.
>
> Angela

In the interests of family harmony I should point out here that you can easily set up NT to give you a choice of booting
into DOS or NT at powerup time, (in fact mine can
boot NT,95,win311,or DOS at my whim.... why??? because I can :-)... must add in Linux
and OS/2 for good measure one day  )
Just make sure that your kid doesn't allow the insatllation routine to convert the file system to NTFS when run (it asks
you yes or no at an early stage of installation) as NTFS is an NT specific file system and then booting into DOS would
be disabled as even if you booted dos from a floppy it wouldn't know how to read the HDD.

Cheers,
     Robin.

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Date: Tue, 7 Apr 1998 12:03:59 -0400 (EDT)
From: Jim Muth <[e-mail]>
Subject: Re: (fractint) Formula Life Cycle

At 05:53 PM 4/6/98 -0700, Jay Hill wrote:

       <snip>
>Clearly the classic M-Set formula with perhaps extensions like
>power and initial z as parameters has the most pictures of any
>and is staying ahead by an ever increasing amount.
       <snip>
>
>What makes a great formula great?    <snip>


The classic M-set formula is out in front by a mile because it
is the simplest and the richest fractal formula of all.  It is
a catalog of all its Julia sets.  Its extended features are
still there in its power and initial Z extensions.  It is the
standard to which all other formulas are ultimately compared.

IMO, simplicity is the thing that makes a formula great.  For
me, the most fascinating thing about fractals is the way so
much can come from so little.  It is almost metaphysical to
take a formula as simple as Z^2+C and watch it do the things it
does.  True, I use variations of the formula that draw the less
familiar slices of the four-dimensional Julibrot which this
formula creates, but this simply reveals more of the richness
that the formula embodies.

There appears to be a law of diminishing returns in fractal
formulas, with every additional line adding less than the line
above it.  I have seen if/else formulas hundreds of lines long.
I admire the skill and patience of those who write such program-
formulas, but I wonder if it is worth it.  The formula Z^2+C
produces a great fractal; a 200-line formula produces a great
fractal also, but if one searches, they can usually find parts
of Z^2+C buried in the 200-line fractal.

The fact is that regardless of how complex a formula becomes,
the classic M-set with its radicals and midgets is usually
lurking in the background.  Part of the fun lies in finding and
emphasizing these hidden M-set features.

Now I've got to get my day's work finished so that there will
be a FOTD this evening.


Jim Muth
[e-mail]



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

Date: Tue, 7 Apr 1998 09:13:05 -0700 (MST)
From: Kerry Mitchell <[e-mail]>
Subject: Re: (fractint) Formula Life Cycle

On Mon, 6 Apr 1998, Jay Hill wrote:

> What makes a great formula great? What are the best formulas
> to come to this list? I suspect out of the thousands out there,
> only about half a dozen have generated the bulk of really
> good pictures. But then again, are the best pictures generated
> from obscure formula?

I tend to concentrate on the standard Mandelbrot and Julia formulas for a
few reasons:

1) Simplicity.  They are simple formulas, so they're easy to compute and
easy to modify.  Also, it is in keeping with the philosophical idea of
complexity from simplicity.  Plus, I'm impatient, not wanting to wait for
transcendental formulas to compute.  And most new coloring schemes I
develop for quadratics can be moved to other formulas.

2) Higher order formulas (e.g. z^58+c) don't add much diversity to the
image (do they?), but they sure add a lot of structure.  In other words,
the quadratic Julias will have 2 similar parts, on either side of the
origin.  Quintic Julias (z^5+c) will have 5 similar parts, and all this
needs to get "squeezed" into the image plane.  So I find higher order
fractals to be more crowded in general.  Also, as the order increases, the
range of interesting stuff becomes limited to a ring of radius 1; outside
the ring, things diverge too quickly to be interesting, and inside, things
converge too quickly.  I find that the quadratics have a nice balance of
similarility without execessive symmetry, and a balance of "whitespace"
and structure.

I think that, in general, a "good" formula should be simple.  The basic
calculation should be able to be performed in any high-level language,
without "if/then" constructs.  It should have one or a few critical
points and well-defined boundaries.  That makes it (relatively) easy to
figure out something about the dynamics of the orbits, making it easier to
wring neat stuff out of it.  The standard Mandelbrot/Julia sets meet all
these criteria.

Of course, this doesn't mean that wonderful images can't be generated from
any formula.  It just may take more thought, imagination, and work.

Kerry

- -------------------------------------------------------------------------------
Kerry Mitchell
[e-mail]
- -------------------------------------------------------------------------------



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

Date: Tue, 7 Apr 1998 11:33:06 -0600
From: Ray Montgomery <[e-mail]>
Subject: (fractint) First of two pars

        I'm sending two pars, but since I don't know, yet, how to send two
at once I have to send them one at a time.
        Number one:

Inflatable         { ; Frima191-001
                     ; 3/28/98
                     ; elmont
  reset=1930 type=circle
  center-mag=+0.00000000000000000/+0.00000000000000000/0.6666667
  params=20 float=y
  colors=000fWe<7>N9PbWJ<2>nn_mcP<7>c5KZ5L<2>rSc<3>Z5LbTJ<11>httkUL<7>U1Kg\
  VL<3>U3CaUH<11>ptXwww000<56>000eYM<12>dqbhUM<3>xIReXL<10>eWKeWKeUJ<11>aB\
  7WeVMndCwnaVM<7>27XdUO<8>N1ncWL<11>B8AdSN<4>X0ZgkGjzAWbXMhiBovdWK<12>F91\
  bYK<9>5q2cXM<3>UWUdWNSWW<2>LV`
  }

                        Ray Montgomery


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

Date: Tue, 7 Apr 1998 11:44:46 -0600
From: Ray Montgomery <[e-mail]>
Subject: (fractint) Second of two pars

        Here is the second.  Sorry about the flaw in the upper section of
the image, but my computer is gradually misbehaving.
        Par number two:

MetalPetalSpiral   { ; Frima191-002
                     ; 4/7/98
                     ; elmont
  reset=1930 type=complexnewton passes=b
  center-mag=+0.10031347962382440/-0.04522613065326631/2.109705
  params=7/-1.3/1/2 float=y maxiter=2500 periodicity=0
  colors=000itTecoFGAFJBFMCBOA<4>HfL_SStejI01<8>n9OrARvBUzDX8`U1xmHJKKPUNU\
  cTcu2IeLGB<3>zgZFEB<11>MIlNJoOJrPKvAA5<7>mojoqlFEA<10>5DGFGC<9>FceEfhFEA\
  <12>CHLKEE<6>rGlHGA<9>ghDN`TVwkGEA<14>cOJGED<6>S9_FGA<13>2r1GEB<14>_8Wks\
  SEEA<8>09DJID<7>vqbGHA<3>OUDEHB<6>5fJVUAkjBLHE<3>hTWFI9nW`tZe<13>AMb<7>Q\
  mFTqCUqD<9>gsR
  }

        Since this whole thing is and has been a learning experience for me
I would appreciate comments, good or bad.
        Thanks                                  Ray


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

Date: Tue, 7 Apr 1998 14:44:47 -0400
From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Angela wrote:

>> I thought Sylvie has written a driver for the Millenium II card and
>> that it works just fine with that. Was I wrong? We are in buying mode
>> big time here at Chez Wizzle. Please advise ASAP.

  I haven't written a *driver*!!!  It's just the entry I added to
fractint.cfg that works fine with my 2mb Millennium at 1600x1200.

        - Sylvie

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Date: Tue, 7 Apr 1998 11:43:15 -0700 (PDT)
From: "James R. McKenzie" <[e-mail]>
Subject: Re: (fractint) Bailout condition

I couldn't get a interesting image from z=z^2+c and the bailout
condition
that I made, but I got an interesting image from z=sin(z)+c.

FRM:From_Jiho1 { ; Jiho Kim
   z = 0, c = Pixel:
   z = sin(z)+c,
   |fn1(z+p1)| > |fn2(z)|
  }

fractal6           { ; Public Domain
                     ; hard to describe
  reset=1960 type=formula formulafile=jiho.frm formulaname=From_Jiho1
  function=exp/cos
center-mag=+796.50820489757170000/-2.16604971052968700/1.004576e+009/0.7\
  5 params=0/0 float=y maxiter=2147483647 bailout=6 inside=maxiter
  potential=255/255/0
colors=00z<6>zzz<7>z0000u<6>uuu<7>u0000p<6>ppp<7>p0000k<6>kkk<7>k0000f<6\
>fff<7>f0000a<6>aaa<7>a0000X<6>XXX<7>X0000S<6>SSS<7>S0050X<6>SSS<7>X05A0\
a<6>XXX<7>a0AF0f<6>aaa<7>f0FK0k<6>fff<7>k0KP0p<6>kkk<7>p0PU0u<6>ppp<7>u0\
UZ0z<6>uuu<7>z0Zc0z<6>zzz<7>z0c
  }

fractal7           { ; Public Domain
  reset=1960 type=formula formulafile=jiho.frm formulaname=From_Jiho1
  function=sqr/cos center-mag=0/0/0.007107235 params=0/0 float=y
  maxiter=2147483647 bailout=6 inside=maxiter potential=255/255/0
colors=00z<6>zzz<7>z0000u<6>uuu<7>u0000p<6>ppp<7>p0000k<6>kkk<7>k0000f<6\
>fff<7>f0000a<6>aaa<7>a0000X<6>XXX<7>X0000S<6>SSS<7>S0050X<6>SSS<7>X05A0\
a<6>XXX<7>a0AF0f<6>aaa<7>f0FK0k<6>fff<7>k0KP0p<6>kkk<7>p0PU0u<6>ppp<7>u0\
UZ0z<6>uuu<7>z0Zc0z<6>zzz<7>z0c
  }

I'll work more on this later, I need to sleep!

Regards,

Jiho



Sleep!  You still do that silly thing?  I thought computers & fractals
did away with that silliness.  8->



                          James R. McKenzie


                          [e-mail]
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------------------------------

Date: Tue, 07 Apr 1998 14:07:00 -0500
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Sylvie,

 -   I haven't written a *driver*!!!  It's just the entry I added to
 - fractint.cfg that works fine with my 2mb Millennium at 1600x1200.

Is it my imagination, or does this line (labeled "Millennium VESA Mode")
already exist in the FRACTINT.CFG file distributed with FractInt?  When
using the Millennium, one can just scroll down to it after pressing DEL to
select resolution...

The other common mode number (120) has worked for my other video cards; I
think only the Millennium I used at one time wanted 11c instead.  The other
one (120) is listed as "VESA Standard Interface", I think--it's hard to
tell because I've modified my FRACTINT.CFG so many times. :)

Damien M. Jones   \\
[e-mail]  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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Date: Tue, 07 Apr 1998 12:12:21 -0700
From: Ryan Jameson <[e-mail]>
Subject: Re: (fractint) Matrox problems...

At 10:19 AM 4/7/98 -0500, you wrote:
>Ryan,
>
> - Why not just dual boot between both operating systems?
>
>Because then you're wasting space installing two operating systems instead

It's not wasted if you are using both of them. I use NT for my powerful
programs such as Autocad, and 3d Studio Max, and would not dream of running
them in 95. (we run Autocad in 95 at work, and boy does it suck)

>of one, and you have the headache of installing apps in both operating
>systems if you want to use them in both systems, or the nuisance of having
>to reboot if you want to use an app that's only installed on the other

Naa.a.. just put all the apps that you need to work with in NT, and put all
the programs that you play with in 95. So, lessee, most of my internet,
games, and fractint are in 95. All my photo editing, 3d programs and html
editors are in NT, along with a few internet tools (ftp and browser) There
really isn't that many duplicate programs.

>system.  And there's the headaches of dealing with NT's security model,
>which is a pain in the neck for home use.

Home use? That implies that you have a family that you let use your
computer. Ack! I could never do that. People do too many stupid things.
Then they expect you to fix it... The first thing that I did when I bought
my last computer was to declare that NOBODY installs anything on it except
for me. I don't let anyone use NT either... you're right, it would be a
pain to set it up for others. Luckily, I don't have too many people who
want or need to use my computer.

Ryan

>I've got a dual-boot machine that I use, I did it only to test software.
>Otherwise I would not mess with NT.  Dual-boot is not a good general
>solution, either; choosing a single operating system (usually 95) is.


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Date: Tue, 07 Apr 1998 14:29:25 -0500
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Ryan,

 - It's not wasted if you are using both of them. I use NT for my powerful
 - programs such as Autocad, and 3d Studio Max, and would not dream of running
 - them in 95. (we run Autocad in 95 at work, and boy does it suck)

Sure, I believe Autocad in Win95 sucks.  But how many people do you really
think there are that run Autocad and Max at home?  This would fall under
the "special requirements" category.  There are people who will need
dual-booting, but most people who are using a home computer do not.

 - Naa.a.. just put all the apps that you need to work with in NT, and put all
 - the programs that you play with in 95.

This still requires a reboot when you want to switch between "work" and
"play".  Not exactly convenient!  Everyday work apps like a word processor
will run fine under Win95.

 - Home use? That implies that you have a family that you let use your
 - computer. Ack! I could never do that. People do too many stupid things.

Sure, my brother has a PC that his whole family uses.  After re-installing
the entire system a couple of times, he's finally drilled into them that
they are not to install anything or they risk being beheaded. :)  But he's
not rushing to install NT on this *home* system just to keep them from
doing so, and although he's had several opportunities to set up a dual-boot
system, he hasn't done it.

My point, Ryan, was that for _normal_ home use, installing both NT and 95
is more trouble than it is worth, because of the problems I mentioned.  You
state that there's little overlap between work and play; that may be true
for you (for me it is a little blurred) but that still doesn't get around
the reboot inconvenience.  Why put up with that inconvenience just for the
privilege of running NT?  When a single operating system--Windows 95--will
do the job sufficiently for a _home_ system?

I'm not knocking NT--it has its uses--I just don't like people pushing a
product on a person, or a complicated system, when they don't really need
it.  People don't want to fiddle with operating systems, they want to work
and play.  I once overheard a salesman sell a woman PageMaker because she
wanted to write a few letters... I had to leave before strangling the man. :)

Damien M. Jones   \\
[e-mail]  \\  http://www.icd.com/tsd/ (temporary sanity designs)
                    \\  http://www.fractalus.com/ (fractals are my hobby)

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Date: Tue, 7 Apr 1998 16:35:39 -0400
From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) Matrox problems...

Damien,

>> Is it my imagination, or does this line (labeled "Millennium VESA
>> Mode") already exist in the FRACTINT.CFG file distributed with
>> FractInt?

  I know this line already exists because I was the one who added it to t=
he
fractint.cfg distributed with Fractint about 2 years ago! :-)

        - Sylvie

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Date: Tue, 7 Apr 1998 13:46:26 -0700 (MST)
From: Kerry Mitchell <[e-mail]>
Subject: (fractint) CD writer

Last weekend, I bought a CD-RW writer so I could archive my larger
fractals and so I could send files larger than 100MB to service bureaus.
Just for kicks, I decided to see how big an image would fit on the cd.  If
you take a picture of a monitor at 1600 x 1200 resolution, and have the
picture printed to 8" x 6", that's 200 dpi resolution, which is not bad.
At that same resolution, a cd will hold a fractal that is over 5 feet by 7
feet!  Calculating something that big is the easy part.  Getting the money
together to have it printed is the toughie.

If anyone wants their favorite (Fractint) fractal done up big and written
to a cd, let me know and we can probably work something out (let's
see...at a penny per pixel... :-)

Kerry

- -------------------------------------------------------------------------------
Kerry Mitchell
[e-mail]
- -------------------------------------------------------------------------------


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Date: Wed, 8 Apr 1998 00:50:21 +0200
From: "Thaddaeus Parker" <[e-mail]>
Subject: Re: (fractint) Formula Life Cycle

I personally like the simple pars, with simple color schemes.  Even though I
have had an on again off again relationship with fractint, I still find
myself overpowered by the draw the chaotic yet simple M-Set.  This is my
first posted  par and I haven't had the chance to see every par that is out
there. Please give some feed back.

Thadd
ICQ# 3304633

HellsLightning          {;(c)Thaddaeus Parker 1998
    ;Very simple and too the point,
  reset=1960 type=mandel
  center-mag=-1.55131/3.7439e-007/387.4962/0.9998 params=0/0
  logmode=fly colors=@volcano.map
  }


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Date: Tue, 7 Apr 1998 18:51:29 -0400
From: "Peter Gavin" <[e-mail]>
Subject: Re: (fractint) Herman rings?

Great!  Now what are Siegel disks? :)

|Nope...they'remore like Siegel disks with the center punched out. Only
|certain formulas produce them; and they all involve division. Check the
|archives for hring.frm and .par and nuclear.frm and .par.

Pete

P.S. I'm not much of a terminology person :)



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Date: Tue, 7 Apr 1998 16:19:52 -0700
From: "Mike and Linda Allison" <[e-mail]>
Subject: (fractint) About Ray

Hi, all!  I hope Ray doesn't mind this, but I wanted to share a little with
you all.

Ray has been fractaling for a number of years, but par files are new to
him.  So he's NEVER been able to share his fractals with anyone before now!
 Now, he's THRILLED to be able to share them with us.  As fractaholics, we
all understand that feeling.

Also, he's using a machine with a hard drive of 540K, and right now he's
only able to get a resolution of 320x240.  That's one of the reasons I put
his 800x600 fractal up at Geocities.
(http://www.geocities.com/~gumbycat/raym.html)

Anyway, I find him to be a amazing person!  I just wanted to share that.

Linda

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Date: Tue, 7 Apr 1998 16:52:12 -0700
From: "Jay Hill"<[e-mail]>
Subject: Re: (fractint) Formula Life Cycle

Thaddaeus wrote
>I personally like the simple pars, with simple color schemes.  Even though
I
>have had an on again off again relationship with fractint, I still find
>myself overpowered by the draw the chaotic yet simple M-Set.  This is my
>first posted  par and I haven't had the chance to see every par that is
out
>there. Please give some feed back.

OK, good.  And now you can modify the colors easily, I like the idea of
your
post. So here is a little exploring - rotate the lightning to hit the
ground and
change the colors a little, yellow on red.  If you zoom into the branches
here,
you can get the lightning to zig-zag in crazy patterns. When you zoom in,
the iterations increase, so rotate the palette to keep the color pattern.

Have fun...

Jay

HellsLightning-2   { ; after Thaddaeus Parker, 1998
  reset=1960 type=mandel
  center-mag=-1.55131/-3.5111e-007/387.3585/1.0002/-72.503/-0.009
  params=0/0 logmode=fly
  colors=000FFF<10>wA0<8>m6U<2>T4I<16>wwKPO0<19>xv0zx0zz0<30>zzxzzzzzz<61>\
  zV1zU0zU0zT0<28>z10z00z00y00<30>c00b11a11`22_22<25>FFF
  }

HellsLightning-3   { ; after Thaddaeus Parker 1998
  reset=1960 type=mandel
  center-mag=-1.55099057322830200/-0.00032650891251806/5.5912e+007/1/-119.\
  428/-1.431 params=0/0 float=y logmode=fly
  colors=000c00<27>GEEFFFFFFFFF<10>wA0<8>m6U<2>T4I<16>wwKPO0<19>xv0zx0zz0<\
  30>zzxzzzzzz<61>zV1zU0zU0zT0<28>z10z00z00y00<29>c00
  }



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Date: Tue, 7 Apr 1998 19:12:22 -0600
From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) New Colormaps

Lee wrote:

>I suggest two further color options when creating pars:
>
> 1)  Colors-only  (default=no)
>     This could also be put into sstools.ini when user wants do do a bunch
>     this way via makepar.

Ahhh ... what does this option do?

> 2)  Interpolate Colors  (default=yes)
>
>     This would allow the par-maker to insure exact colors in those rare
> cases where the color pars are interpolated differently from the actual or
> map file colors.

Again I don't understand. How do I guarantee exact colors? The only
way I know to do this is to use map files.

For the uninitiated, be aware that the algorithm that encodes and
compresses colors when writing the colors= line in PARS is not 100%
accurate. There are cases where it is off a bit. Perhaps some of the
experienced folks could upload a map which when saved in a PAR as
colors= and then converted back does not give exactly the correct
result.

This is not generally a concern but could be an issue for very
critical work. So far no one has been able to identify exactly when
the algorithm rounds the wrong way so it could be fixed.

Tim


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End of fractint-digest V1 #159
******************************