ftp.xmission.com/2014.06.ftp.xmission.com.tar/ftp.xmission.com/pub/lists/fractint/archive/v01.n011

Internet Message Format | 1997-08-31 | 42KB

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fractint Digest       Monday, September 1 1997       Volume 01 : Number 011



In this issue:

    Re: (fractint) fractint porting information
    Re: (fractint) DOS vs. DOS Window??
    Re: (fractint) fractint porting information
    Re: (fractint) DOS vs. DOS Window??
    Re: (fractint) DOS vs. DOS Window??
    Re: (fractint) DOS vs. DOS Window??
    Re: (fractint) DOS vs. DOS Window??
    (fractint) Fractal to midi
    Re: (fractint) Fractal to midi
    (fractint) FractInt in Windows 95
    Re: (fractint) DOS vs. DOS Window??
    (fractint) Let me introduce myself
    (fractint) DOS vs. DOS Window
    (fractint) Fractal for today
    Re: (fractint) DOS vs. DOS Window
    (fractint) FractInt in Win95
    Re: (fractint) 32bit version of fractint
    (fractint) reset=nnnn
    Re: (fractint) reset=nnnn
    Re: (fractint) reset=nnnn
    Re: (fractint) 32bit version of fractint
    Re: (fractint) 32bit version of fractint
    Re: (fractint) Fractal to midi
    (fractint) hi everybody

See the end of the digest for information on subscribing to the fractint
or fractint-digest mailing lists and on how to retrieve back issues.

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

Date: Fri, 29 Aug 1997 20:21:58 -0600
From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) fractint porting information

Tim Gilman wrote:

> I want to make sure
> there's not already some kind of orchestrated effort for porting fractint
> to different processors.

The Xfract port will already run under Unix on a power PC, so it
wouldn't be very difficult to pick some code to write assembler for.
Xfract is 100% C.

Tim


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Date: Fri, 29 Aug 1997 21:25:04 -0400 (EDT)
From: [e-mail]
Subject: Re: (fractint) DOS vs. DOS Window??

Howdy,

To begin with, if I posted this incorrectly, please let me know.  I'm new at
this.

My question is:  I have Windows95 and when I downloaded Fractint a few days
ago I made a DOS window.  Is it better to use Fractint through a DOS window
or just pull back and go through DOS directly??  And lastly, why??

Thanks for your help.

Kivryn

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

Date: Fri, 29 Aug 1997 22:52:51 -0400 (EDT)
From: "Chester A. Kustarz ii" <[e-mail]>
Subject: Re: (fractint) fractint porting information

I also was thinking of doing a powerPC port, although after
I had thought about it, fractint is not very mac-like,
and the good floating point performance of the pwerPC
would seem to take out the "int" portion of fractint.

So then I had thought maybe just do a fractint-like program
for the mac, but I had real trouble trying to figure
out the algorithms with all those tricks and weird math

- ---
Chester Kustarz
[e-mail]
University of Michigan

>
> powerPC's are my interest.  I've done a lot of 604e work; but before I
> commit myself to seriously munging through a mount


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

Date: Fri, 29 Aug 1997 23:43:20 -0600
From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) DOS vs. DOS Window??

Kivryn asked:

> My question is:  I have Windows95 and when I downloaded Fractint a few days
> ago I made a DOS window.  Is it better to use Fractint through a DOS window
> or just pull back and go through DOS directly??  And lastly, why??

In my experience the DOS windows (fullscreen) works great in WIn95.
Occasionally I hear from someone whose Windows video driver causes
interference with Fractint under DOS, but this isn't too common.

I'm sorry to read here that Win NT users have a more mixed
experience.

There are a slew of properties of the DOS box that can be set that
help. I never remeber what these are. Tell you what, if a Windows
guru here will write a paragraph and setting the DOS box properties
under Win95, I'll quick stick in in the fractint docs while I'm
thinking of it <g!>

Tim







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

Date: Sat, 30 Aug 1997 02:23:45 -0500
From: [e-mail]
Subject: Re: (fractint) DOS vs. DOS Window??

The talented and helpful Tim Wegner typed:
>
>
> There are a slew of properties of the DOS box that can be set that
> help. I never remeber what these are. Tell you what, if a Windows
> guru here will write a paragraph and setting the DOS box properties
> under Win95, I'll quick stick in in the fractint docs while I'm
> thinking of it <g!>
>
Hello Gang:

I'm not a Windoze guru, but several months ago I had a terrible time
trying to run Fractint Windoze 95. Until then I would always exit from
Windoze and reboot to MS-DOS. After tinkering for several hours with the
settings in the Fractint Properties menu, I finally got Fractint to
behave correctly (on my system at least), and I e-mailed Tim to tell him
of my trials and errors.

Go to your Fractint folder and click once on the Fractint icon.
Go to the File menu and select "Properties."
Under Program, type in on Cmd_line where you have Fractint installed,
e.g.,  C:\Fractint\Fractint.exe
Click on the Advanced button on the Properties page.
Place a check mark next to MS-DOS mode.
Under a new MS-DOS configuration on the same page, put in the settings
you use for your config.sys and autoexec.bat files under MS-DOS. DO NOT
type in the config.sys and autoexec.bat files you use for Windoze. If
you do, then you'll have all sorts of problems, such as Windoze telling
you it doesn't have enough memory to run Fractint.
The other menus under Fractint Properties do not need to be addressed.
If you still have problems, please don't flame me. I got Windoze to work
with my system and you may have an entirely different configuration.
Basically, I'm running a 486/66 with a VESA-supported video driver and
24 Megs of memory.

Hope these instructions are helpful to you.

Bob Margolis
[e-mail]

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

Date: Sat, 30 Aug 1997 08:03:35 -0400
From: lelio <[e-mail]>
Subject: Re: (fractint) DOS vs. DOS Window??

 I'm Running Fractint under Windows 95, In a full screen mode.
I've never even tried to reboot under DOS, because I have never had a
problem.
I'd suggest you try that first and if you have problems (as I have seen
others report) then set Fractint to re-boot in DOS to run.

Sometimes I have run Fractint drawing in 'Disk-RAM Video' in a window while
I do other stuff in Windows.  (but then I have lots and lots of RAM  :))

- -----Original Message-----
From: [e-mail] <[e-mail]>
To: [e-mail] <[e-mail]>
Date: Friday, August 29, 1997 9:29 PM
Subject: Re: (fractint) DOS vs. DOS Window??



>Howdy,
>
>To begin with, if I posted this incorrectly, please let me know.  I'm new
at
>this.
>
>My question is:  I have Windows95 and when I downloaded Fractint a few days
>ago I made a DOS window.  Is it better to use Fractint through a DOS window
>or just pull back and go through DOS directly??  And lastly, why??
>
>Thanks for your help.
>
>Kivryn
>
>------------------------------------------------------------
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>Post Message:   [e-mail]
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>Unsubscribe:    [e-mail] "unsubscribe fractint"


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

Date: Sat, 30 Aug 1997 10:37:36 -0600
From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) DOS vs. DOS Window??

Bob wrote:

> The talented and helpful Tim Wegner typed:

In this case I'm not so sure :-)

> After tinkering for several hours with the
> settings in the Fractint Properties menu, I finally got Fractint to
> behave correctly (on my system at least), and I e-mailed Tim to tell him
> of my trials and errors.

Yes, this has come up dozens of times, and I've probably gotten the
answer many times before. I'll look through my mail archives and
combine the suggestions I've received.

I'm actually pretty good at setting up things like Win95. But on a
home system, I do it once, so after a year or two I no longer
remember what I did <g!>

FWIW, here are the settings I use for my generic "MSDOS" button. I am
not claiming these are optimum, only that they work for me. I don't
use a "fractint" icon, I go to the DOS prompt and then run Fractint
(under Win95, not rebooting to DOS.)

MS-DOS icon properties:

Under memory, all the settings are "auto". The "protected" and "Use
HMA" boxes are not ticked (should they be?)

Under "screen", all the boxes are ticked, and usage is "full screen".

Under "misc" I have disabld the screen saver, which can really mess
you up.

In my config.sys (among other things) I have:

DEVICE=C:\WINDOWS\HIMEM.SYS
DEVICE=C:\WINDOWS\EMM386.EXE NOEMS
files=100
buffers=20
DOS=HIGH,UMB
FCBS=4,0
STACKS=9,512

It is important to has as much free memory as possible. Mem shows
"largest executable program size" of 543K which is OK, but not great.
With this much, if I run

   fractint debug=10000

the fractint reports 86128 far bytes free. This works reasonable
well. You wouldn't want the largest executable program size to drop
much below 500K.

Any other words of wisdom on this subject?

Tim





>
> Go to your Fractint folder and click once on the Fractint icon.
> Go to the File menu and select "Properties."
> Under Program, type in on Cmd_line where you have Fractint installed,
> e.g.,  C:\Fractint\Fractint.exe
> Click on the Advanced button on the Properties page.
> Place a check mark next to MS-DOS mode.
> Under a new MS-DOS configuration on the same page, put in the settings
> you use for your config.sys and autoexec.bat files under MS-DOS. DO NOT
> type in the config.sys and autoexec.bat files you use for Windoze. If
> you do, then you'll have all sorts of problems, such as Windoze telling
> you it doesn't have enough memory to run Fractint.
> The other menus under Fractint Properties do not need to be addressed.
> If you still have problems, please don't flame me. I got Windoze to work
> with my system and you may have an entirely different configuration.
> Basically, I'm running a 486/66 with a VESA-supported video driver and
> 24 Megs of memory.
>
> Hope these instructions are helpful to you.
>
> Bob Margolis
> [e-mail]
>
> ------------------------------------------------------------
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> Post Message:   [e-mail]
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> Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>

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

Date: Mon, 27 Aug 1956 14:56:24 +0000
From: Steffen Leve Poulsen <[e-mail]>
Subject: (fractint) Fractal to midi

Fractal Music?

Any Programmers interested in implementing a midi-generator-plugin
into fractint?

I've written a routine in QBasic that generates a Mandelbrot Frac. and
sends it out as midi.

But I=A6m more of a musician than a programmer so it would be nice if
someone with programming skills would help.

PS We made a CD using this program so if you are interested in buying it
please contact me

<-_>


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

Date: Sat, 30 Aug 1997 16:50:49 +0100
From: "Graham Hill" <[e-mail]>
Subject: Re: (fractint) Fractal to midi

I would also love to see some sort of fractal music plugin if one were to
become available.

- ----------
From: Steffen Leve Poulsen <[e-mail]>
To: [e-mail]
Subject: (fractint) Fractal to midi
Date: 27 August 1956 15:56

Fractal Music?

Any Programmers interested in implementing a midi-generator-plugin
into fractint?

I've written a routine in QBasic that generates a Mandelbrot Frac. and
sends it out as midi.

But I=A6m more of a musician than a programmer so it would be nice if
someone with programming skills would help.

PS We made a CD using this program so if you are interested in buying it
please contact me

<-_>


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

Date: Sat, 30 Aug 1997 13:49:30 -0400
From: "Damien M. Jones" <[e-mail]>
Subject: (fractint) FractInt in Windows 95

Hello,

A couple of years ago I was trying to use FractInt under OS/2.  I had
problems with certain display modes; some would work, some would not.  I
altered my FRACTINT.CFG file to force it to use VESA modes, and this worked.

I no longer use OS/2; I use Windows 95.  However, I've noticed that
FractInt still runs well with the VESA modes.  My FRACTINT.CFG line looks
like this:

- -----8<----- Start FRACTINT.CFG

F2  ,VESA Standard Interface    ,4f02, 101,   0,   0,  28, 640, 480,256,
F3  ,VESA Standard Interface    ,4f02, 103,   0,   0,  28, 800, 600,256,
F4  ,VESA Standard Interface    ,4f02, 105,   0,   0,  28,1024, 768,256,
F5  ,VESA Standard Interface    ,4f02, 107,   0,   0,  28,1280,1024,256,
F6  ,VESA Standard Interface    ,4f02, 120,   0,   0,  28,1600,1200,256,
F7  ,Disk/RAM 'Video'           ,   3,   0,   0,   0,  11,1024, 768,256,
F8  ,Disk/RAM 'Video'           ,   3,   0,   0,   0,  11,2048,1536,256,

- -----8<----- End FRACTINT.CFG

I removed the comments at the end of each line so it wouldn't get garbled
through posting.  Fixing your video modes this way helps quite a bit, but
there are some other things that you may want to do.

First, in the [fractint] section of your SSTOOLS.INI file, look for
"textsafe=".  If it doesn't say "textsafe=save", change it (or add the line
if it is missing).  This will protect your FractInt screen when you switch
away from the program to another application you're running, but you should
still ALWAYS switch to a text screen (by pressing TAB or ESC) if your
fractal is still generating.  Otherwise when you switch back, your image
will be preserved, but FractInt will resume drawing in the wrong place on
the screen, corrupting the image.  If the image is done generating, you can
switch away from the graphics screen directly.

Second, tweak your settings for FRACTINT.EXE.  Locate FRACTINT.EXE,
right-click, and select "Properties".  (If you launch FractInt from a
shortcut, especially one on your Start menu, you need to locate the
shortcut itself, right-click it, and choose Properties.  You can work with
shortcuts on your Start menu by right-clicking it and choosing "Explore".)
Under the Program tab, make sure "Close on exit" is checked.  (This is a
convenience only, and will make Windows close the DOS box when FractInt
exits.)  In the Memory tab, leave all the settings on "Auto".  Under the
Screen tab, choose "Full-Screen".  For the Misc. tab, UNcheck "Allow screen
saver" and "Always suspend".  (Note about Always suspend: this makes it up
to you to suspend FractInt by switching to a text screen before switching
away from FractInt.  Since you have to do this anyway, leaving this option
unchecked lets you use Disk/RAM modes to render in the background.)  Click
OK to save your settings for FRACTINT.EXE.

IF everything went well, FractInt should run reliably from a DOS box inside
Windows, and still let you switch away from it if necessary and run other
Windows programs (with the warnings above).  I do this a lot, even though
other programs tend to run slowly with a DOS box open.

Hopefully these comments will help someone.

Damien M. Jones  /  temporary sanity designs  /  http://www.emi.net/~dmj/
   [e-mail]  /  my gallery: http://www.geocities.com/SoHo/Lofts/2605/


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

Date: Sat, 30 Aug 1997 23:18:22 PST
From: NOEL_GIFFIN <[e-mail]>
Subject: Re: (fractint) DOS vs. DOS Window??

    Tim,

    When you get your combined list of win95 settings for fractint
together, email them to me and I'll put them up on a web page in the
fractint pages.

    Noel

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Date: Sun, 31 Aug 1997 11:51:30 -0400 (EDT)
From: [e-mail]
Subject: (fractint) Let me introduce myself

Last week I sent the following letter to the members of "fractal-art".  The
results were beyond belief.  I repeat the letter here in case some of you are
not mambers of fractal-art.

I probably do not belong in this group although I do use Fractint and am very
partial to fractals.  I came to fractals late in life, being introduced by a
friend who is a retired professor at the U.S. Naval Postgraduate School in
Monterey.  In the beginning I just played with fractals in a program called
"Fractool".

Then after being laid low by a stroke and being unable to work I came back to
fractals.  I found a number of generators (including fractint) that I could
play with and as long as I was now a 70 year old cripple I really wanted to
do something with fractals.

I fell back on an old hobby, that of making hooked rugs.  Finding that
fractals made a great rug suitable as a wall hanging or as a throw rug.  I
now make my hooked rugs from 100% 6 ply wool utilizing fractal images as my
pattern.

I recently made a fractal rug for a N.Y. fractal artist which he will include
in a show he is having this fall.  This was to be a copy of one of his
fractals.  When he received the rug here is a quote of his reaction:

"It is really quite remarkable.  I think the right word is luxurious.  It is
clear the amount of work that went into it is extraordinary.  It's rich
texture, weight and thickness are all a great and pleasant surprise to me.
 My wife thinks it's gorgeous."

If any of you would like to see a picture of my work, Email me and I will
send one back to you.

Pat Graham   [e-mail]

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

Date: Sun, 31 Aug 1997 09:57:10 -0500
From: "Juan Manuel Trillos G." <[e-mail]>
Subject: (fractint) DOS vs. DOS Window

I use the following solution for a good an controlled performance of the
Fractint under Windows 95.

I have a system with the following characteristics:
Pentium MMX 166MHz processor.
32 MB RAM
S3 Virge video driver card
Fractint 19.6 program

1) Create a shorcut (Go to Explorer, select Fractint program, click right
button, select Create shorcut)

2) Still in the Explorer select the "Shortcut to Fractint", open Propieties
(Right click) and select the option for full screen running (Select Screen
tab, then select Full Screen)

3) Change the Explorer into a Window (If not already there) and drag the
"Shortcut to Fractint" file to the Desktop.

íEUREKA!  Now you have an DOS Icon in the Desktop that send you directly to
Fractint without any problem.  With <Alt>+<Tab> you can go to other
applications, leaving Fractint working in its own background window.

You can change the name and Icon of the shorcut in any moment, right
clicking the icon and selecting Propieties.  I use the icon that came with
the Windows version of Fractint ┐How? Easy. Select change icon, and browse
to the file of Windows Fractint (You have to already have installed this
file), and then select the icon.

I expect that this procedure will work in any system, except if the video
driver is very special, and the system registers will be changed from
within the Fractint,  then when return from Fractint you will have a nice
stuck computer.

Thanks

Juan Manuel

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Date: Sun, 31 Aug 1997 13:15:39, -0500
From: [e-mail] (MR CHARLES F CROCKER)
Subject: (fractint) Fractal for today

Hi

For those who are looking for todays fix here is a parameter file that
might fill the gap. It calculates pretty fast.

To keep my impression a secret until you have formed your own the name is
encoded by typing each letter one character higher.

By increasing the itteration count a much more branched structure develops
but then the background color becomes one of the bands in the figure.
Finding a good color scheme is one of the hardest things for me to do.
Thats about all of the lecture. To keep the file small all the co;ors that
don't show are set to white.

"Dbu_jo_uif_ibu"_? { ; P90 640X480 time 0:00:10.43
                     ; Charles Crocker, Prodigy VRCH78B
reset=1960 type=julia center-mag=0.00681901/0.137755/23.35617/1/90
  params=0.284912/0.014391 maxiter=255
  colors=000czzzzz<91>zzzz00z00000z00000000000z00z00000000z00z00000z00zU00\
  00zU0000zU0000000000zU0zU0000000zU0000zU0000zU0000zz0000zz0zz0000<2>000z\
  z0zz0000000zz0000zz00000z00000z00z0000<2>0000z00z00000000z00000z0000KSz0\
  00KSz000KSzKSz000000KSzKSz000000KSz000KSz000z0z000z0z000z0z000z0z000z0z0\
  00z0z000z0z000z0z0000zz0000zz0zz0000000zz0000000zz0000zz0000zz000z00000z\
  00000z00000z00000z00000z00000z00000z000000z00000z00000z00000z00000z00000\
  z00000z00000z0000rzJ000rzJ000rzJ000rzJ000rzJ000rzJ000rzJ000rzJ000000
  }

Charles

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Date: Sun, 31 Aug 1997 12:00:45 -0400 (EDT)
From: Angel Rivera <[e-mail]>
Subject: Re: (fractint) DOS vs. DOS Window

I don't know about the rest of you but my version of Fractint came with
both the .EXE and a .PIF, and both of them worked fine in Win95 without
any tinkering on my part.  (Just to echo the sentiment another person
who mentioned no problems runnning fractint)

- --
 H     [e-mail]|[e-mail]
=@==== http://members.aol.com/brockbadge/index.html
 H H H "World Domination Through Trivia" -S3Kitties
 H H H



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Date: Sun, 31 Aug 1997 16:50:25 -0400
From: "Damien M. Jones" <[e-mail]>
Subject: (fractint) FractInt in Win95

Hello,

Yesterday I installed Windows 95 again on the PPro machine here (I had
Windows on it a few weeks ago, but it got blown away by some buggy
software).  This machine is totally different from the system I normally
use.  Using the information I posted about running FractInt in Win95, I set
up FractInt on this new machine.

It ran flawlessly the first time.

Now, if I had a few more systems to test it on, I would, but that should
give some reassurance that it's not just a fluke. :)

Damien M. Jones  /  temporary sanity designs  /  http://www.emi.net/~dmj/
   [e-mail]  /  my gallery: http://www.geocities.com/SoHo/Lofts/2605/


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Date: Sun, 31 Aug 1997 23:28:38 -0400 (EDT)
From: [e-mail] (Paul Derbyshire)
Subject: Re: (fractint) 32bit version of fractint

>Fractint runs on Linux now as Xfract. Also under Unix. It has nearly
>every feature, though it's slower because the assembler was
>translated to C.
>
>However Linux is not the total answer because the installed base is
>very small compared to Win95/DOS.
>
>We've given a lot of thought to this platform question. We are
>seriously hamstrung by our current 16 bit programming environment.
>Perhaps a better solution would be to port to djgpp, the free
>extended DOS GNU compiler. Such a port would still be a DOS
>application, but would have 32 bit memory access.
>
>The future probably holds a more portable Fractint that runs on many
>platforms.
>
>Tim

I am working (in fits and starts) on a DJGPP-based fractal program,
ProtoMatter. Among other things I intend to make it object-oriented (C++
with optimised C/asm for inner iteration loops) and thus easily extensible
(I notice Fractint, though written in plain C, uses structs with embedded
function pointers to achieve an object-oriented construction) and all the
features of Fractint. On the "wish list" of things I will try to implement
are compatibility with Fractint par and frm files (and more powerful
native par and frm alike files) and all formula types in Fractint. This
would make ProtoMatter backward-compatible with Fractint, and thus a
possible (but renamed) "Fractint 21.0". Of course if anyone, especially
Fractint contributors and authors, wishes to collaborate over the 'net I
would find that helpful and pleasant. Also on the list of intended
features: the "disks" algorithm for rapid monochrome distance-estimator
images, the synchronous orbits algorithm (depends on feasibility and ease
of implementation/debugging, an early attempt of mine to code a
synchronous orbits algorithm on an Amiga resulted in guru meditation and
other bugs which proved overwhelming at the time), plug-ins (DJGPP DLM's
plus datafiles, coding the iteration functions and containing parameter
data), and user-definable parsed formulas for such things as color mapping,
x/y mapping (an atan mapping of radius might be interesting on some
infinite fractals like the Julia sets of rational functions), and so
forth. Formulas will be compiled internally to either a byte-code that
will run more rapidly than an interpreter that has to parse ascii, or
perhaps if it is feasible to native machine code. The former will be
platform-portable, the latter would have to be implemented for every
platform to support. (All platform-dependent code will be in separate
modules with a platform name attached, e.g. dosvideo.c for handling the video
in DOS; some sort of makefile will be used that can be switched for
compiling for different platforms.)

- --
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire [e-mail], http://chat.carleton.ca/~pderbysh

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Date: Sun, 31 Aug 1997 23:54:32 -0400 (EDT)
From: [e-mail] (Paul Derbyshire)
Subject: (fractint) reset=nnnn

>reset=1960

I am curious as to what the "reset=nnnn" in Fractint does. reset implies
something to do with undoing settings like logmap, potential, DEM, decomp,
biomorph, and so forth so that these don't persist and "mutate" the par
entry. However, what do the numbers mean? They seem to be undocumented but
of some sort of importance since 'b'-generated pars are always full of
them. My personal guess is, perhaps these are interpreted into an 11-bit
bitfield that says which items aren't explicitly set and must be reset in
the par? Still, why bother instead of just resetting them all, since
resetting say the logmap only to then set it to 187 isn't THAT many wasted
cpu cycles...

- --
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire [e-mail], http://chat.carleton.ca/~pderbysh

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Date: Mon, 1 Sep 1997 00:08:42 -0600
From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractint) reset=nnnn

Paul wrote:

> I am curious as to what the "reset=nnnn" in Fractint does.

If you think about it, you will realize that if fractint allowed
the existing values of variables to affect a PAR, that you'd
never get the effect the PAR author intended. So "reset" puts
variables back to their initial default values.

The "=" part is a version number, so that to the extent that fractint
supports backwards compatibility for a specific feature that is
changed, a PAR will render the same with later Fractint versions.

Tim


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Date: Mon, 1 Sep 1997 01:34:27 -0400 (EDT)
From: [e-mail] (Paul Derbyshire)
Subject: Re: (fractint) reset=nnnn

>
>Paul wrote:
>
>> I am curious as to what the "reset=nnnn" in Fractint does.
>
>If you think about it, you will realize that if fractint allowed
>the existing values of variables to affect a PAR, that you'd
>never get the effect the PAR author intended. So "reset" puts
>variables back to their initial default values.
>
>The "=" part is a version number, so that to the extent that fractint
>supports backwards compatibility for a specific feature that is
>changed, a PAR will render the same with later Fractint versions.
>
>Tim

Aha! I thought something rang a bell about that 1960 one. Version 19.6
right? heh. :)


- --
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire [e-mail], http://chat.carleton.ca/~pderbysh

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Date: Mon, 1 Sep 1997 10:58:10 +0200 (MET DST)
From: "Michael R. Ganss" <[e-mail]>
Subject: Re: (fractint) 32bit version of fractint

Paul,

> would find that helpful and pleasant. Also on the list of intended
> features: the "disks" algorithm for rapid monochrome distance-estimator
> images, the synchronous orbits algorithm (depends on feasibility and ease
> of implementation/debugging, an early attempt of mine to code a
> synchronous orbits algorithm on an Amiga resulted in guru meditation and
> other bugs which proved overwhelming at the time), plug-ins (DJGPP DLM's

As far as SOI goes, you might want to take a look at the DOS demo I
have put together from the AlmondBread sources (both from the URL
cited below). I don't think the "disks" algorithm is such an important
feature to have (although it's great work by Yuval Fisher), since you
only get a b&w image and I don't believe it's significantly faster
than a boundary trace. Now, if you want to take Mandelbrot set drawing
to the next level, IMHO you'll need component detection based on the work
by Jay R. Hill in "The Future Use of Fractals" (Jay, I have finally
received a copy of the book and I'll mail you soon about it). It's a
far more advanced version of the inside disks algorithm described in "The
Science of Fractal Images" (which, IMO, is infeasible to implement).

Good luck,
- --
Michael R. Ganss        Cooper:  Look!  Ducks!  On a lake!  Ahhh.
[e-mail]        http://www.cs.tu-berlin.de/~rms/AlmondBread/

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Date: Mon, 1 Sep 1997 05:15:23 -0400 (EDT)
From: [e-mail] (Paul Derbyshire)
Subject: Re: (fractint) 32bit version of fractint

Why do you claim the inside-disks are infeasible?
As for component detection, I was already planning to have the basic
Mandel formula blast both the cardioid and the biggest disk automatically.
That would really speed up exploration of SH valley and elephant valley,
two favored watering holes of fractal lovers everywhere.
You seem to refer here to a generalized component detection. It sounds
like this is meant to spot circles and cardioids anywhere. How would it
work? I considered such a thing myself once. Once. It seemed infeasible,
as to get components of period n requires accurately finding the roots of
big polynomials... order 2^n I believe. If you know the center and radius
of a circle, or the cusp point and opposite point of a cardioid, you can
calculate away the whole thing and floodfill it. Another approach would be
to spot the components other ways, but I can't think of one that isn't
lossy. For example, draw a series of vertical lines down the image from
points at the top. Stop each when it hits an inside point. What is the
result? These points may be part of a circular arc that can be used to
infer the circle. But the fractured landscapes of some complex formula
types and the "perturbed" M-set (z_0 not critical) would "fool" it. And
how to differentiate a cardioid, so as to at least ignore it?


- --
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire [e-mail], http://chat.carleton.ca/~pderbysh

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

Date: Mon, 01 Sep 1997 13:16:28 -0700
From: Kenny McAlpine <[e-mail]>
Subject: Re: (fractint) Fractal to midi

Graham Hill wrote:
>
> I would also love to see some sort of fractal music plugin if one were to
> become available.

If anybody's interested, my research group here at Glasgow University is
concerned with making music using all sorts of dynamical systems, not
just fractals. You can find out more at:

http://www.music.gla.ac.uk/HTMLFolder/Research/MathsMus/mm-intro.html

Kenny

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Date: Mon, 1 Sep 1997 15:20:26 -0400 (EDT)
From: henry birdseye <[e-mail]>
Subject: (fractint) hi everybody

Hello. I am new to the list, but a long time user of Fractint. I run a
233mhz PentII at home, and an SGI Onyx at work. I do image compositing to
buy food using software called Flame. This setup makes it possible for me
to easily create animations without all that tedious mpegging and avi'ing.
My finished work is at digital video resolution. Another one of my
favorite pieces of software is FAE which I use to create the .bat files
for my projects.

If any of you have any snappy .fae files worth rendering, I'd love to
share some with you.

Anybody else doing the same sort of thing?


- -----------------
Henry S. Birdseye
Video Compositing Artist, Fractal Zoomer, Raytracer, Film Collector,
  Techno Head, .net addict

www.mich.com/~ozymand
www.prodcolor.com


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