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fractint-digest        Monday, January 19 1998        Volume 01 : Number 082




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

Date: Mon, 19 Jan 1998 10:50:46 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Gamma values

In article <[e-mail]> ,
    Bob Margolis <[e-mail]>  writes:
> Do any of you use the "gamma value" command while editing your palettes?
> If so, how do you make use of it and what are the results?

I wasn't aware that fractint had any concept of gamma... I wonder if
its doing proper gamma correction or what.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 12:33:34 -0500
From: George Martin <[e-mail]>
Subject: Re: (fractint) formula revision

Friends,

   Just a reminder - I noted today two "langolier" formulas posted, an
original and a generalized version of the same. Revising and generalizing
existing formulas is a time honored practice among us.

   BUT please, the generalized formula (or any other variation which
produces, in effect, a different formula) should be given a different name
than the original (e.g Langolier2), so that the two formulas can be
distinguished by Fractint. Otherwise, confusion may result down the road
when someone refers to the formula, or the formula is called for in a .par
file.

Cheers,

George Martin

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

Date: Mon, 19 Jan 1998 11:03:24 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Lee's Truecolor PNG site

In article <[e-mail]> ,
    Wizzle <[e-mail]>  writes:
> Why did you select PNG as the format rather than say, tiff or bmp??

While BMP and TIFF are both lossless formats with compression; PNG is
a lossless format with superior compression to both BMP and TIFF.  PNG
also has support for proper gamma correction, better interlacing than
GIF (for improved incremental display when transmitted over a network),
as well as alpha channel support.  Alpha channels bring a whole new
dimension to image manipulation and I look forward to alpha channel
support in fractint (someday) and the resulting fractal creations it
will bring.  PNG is also free of the Lempel-Zev/Unisys patent problem,
which requires programs to pay a royalty in order to use the patent,
such as with GIF.  (TIFF also uses Lempel-Zev compression and may be
affected by this patent, I'm not sure.)

John Noring wrote:
> And note that in the next major revision of Fractint, GIF will be
> drop-kicked to be replaced by ...... PNG!

Before anyone gets scared, Tim has stated that fractint will continue
to read GIF files, just that the output format will be PNG in
anticipation of truecolor renderings, among other things.

Paul Derbyshire wrote:
> Maybe because tiff is restricted to truecolor and lossy like JPEG  (I
> think) and BMP is uncompressed and so huge? :-)

TIFF can store a large variety of images, including bitmaps,
grayscale, 256-color palette based images, 24-bit truecolor images,
24-bit truecolor with alpha channel and even JPEG inside a TIFF.  TIFF
is very versatile, but all those options add up to programming
complexity.  TIFF isn't lossy unless you use the JPEG-inside-a-TIFF
variant (and this is lossy because of JPEG, not TIFF).  BMP does have
a compression scheme, but the compression scheme is not nearly as
efficient as PNG, or even TIFF.

Wizzle wrote:
> Point to note.....my 270k gif file was reduced to 167k and a 169k gif
> was reduced to 70k without visible loss of quality. Where is that
> bandwagon...I'm ready to jump on. does Netscrape support png?

As was already noted, because the fractint parameter block isn't
passed along in the PNG from the GIF, you lose the ability to load the
image into fractint and have the fractal parameters set when you save
the image as PNG in this way.  When fractint supports reading/writing
PNG files directly, you should be able to convert your GIF files to
PNG in a similar manner as you describe but retain the fractal
parameters block.

It is my understanding that both the current release of Netscrape and
Internet Exploder can display PNG files.

Nature102 wrote:
> Only occasionally? .JPG is the most utterly annoying image file format
> in existence. :-P

JPEG was designed for a very specific task: storing still images
captured from real-world sources such as cameras and image scanners.
For that subject matter, it works well.  It is a poor format for
figures, line drawings and clip-art because the prominence of sharp
edges in the images give the JPEG representation a hard time.  It can
work well for fractals, but not all of them.  Many fractals have a
preponderence of sharp edges, the case for which JPEG is least
suited.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 10:42:19 -0600
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Lee's Truecolor PNG site

Paul,

 - Maybe because tiff is restricted to truecolor and lossy like JPEG

TIFF images can be stored in a variety of ways (much to the annoyance of
those who must write TIFF software).  They can be uncompressed, poorly
compressed, decently compressed, or lossy compressed, depending on the
software you use.

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: Mon, 19 Jan 1998 11:35:23 -0600
From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Colour-map loading problem

Blake,

 - Does anybody know how to get a pure dos boot on a w95 machine?

Assuming you DO NOT have OEM Service Release 2 (i.e. you installed Win95 on
your computer yourself, and didn't buy it with Win95 pre-installed) then
edit your C:\MSDOS.SYS file (it's hidden) to include "BootMulti=1" in the
[Options] section.  When you boot the computer, and it says "Starting
Windows 95...", press F4.

***NOTE***: absolutely, positively, DO NOT DO THIS if you have OEM Service
Release 2.  You will make your system totally inaccessible and you'll lose
everything.  YOU HAVE BEEN WARNED!

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: Mon, 19 Jan 1998 13:38:35 EST
From: Nature102 <[e-mail]>
Subject: Re: (fractint) Colour-map loading problem

In a message dated 98-01-19 11:09:53 EST, [e-mail] writes:

<< I had windows95 running... does that count as a TSR? Oh, well. There's only
 one word needed: Microsoft. Does anybody know how to get a pure dos boot on
 a w95 machine? >>

  Hit Start/Shut down, and choose "Restart in DOS mode." That normally works
well enough for my DOS programs. Fractint seems to run fine through Win95 for
me, though.

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

Date: Mon, 19 Jan 1998 10:55:25 -0800
From: "Jay Hill" <[e-mail]>
Subject: (fractint) Re: printing fractals

Hi Rich,

Thanks for the on topic remarks!

>     you are using for a traditional 4-color process).  The worst
>     offendor for color matching are the fully-saturated RGB colors.
>     These are the colors at the edge of the color gamut of the CRT and
>     the hardest to reproduce inside the color gamut of inks.  If you
>     desaturate your colors -- keeping the hue and "whiteness" the
>     same, but reducing the saturation -- you will bring the colors
>     more within the gamut of the output device.  The same problem

IMHO, it is the fully-saturated red, green and blue which are the problem.
The ink colors are Yellow, Magenta and Cyan (approximately).  Therefore,
these as fully-saturated colors in your image should come out just fine.
There would be no ink mixing which produces in ink jet printers a color
subtraction making the colors darker, muddier, less clear.
Thus, Yellow and Cyan mix to get Green, a darker green than we
see on the monitor. Now if there is true dithering in the print so
the inks don't mix but their colors add, you get a lighter Green with
less saturation, more nearly white.  If you like bright colors use lots of
yellow, cyan and magenta. These come through with the pure bright ink.

In the below image, I have used a less saturated darker red, bright cyan
and yellow, all of which should not be a problem.

Jay

Mean_Bug     { ; (c) Jay Hill, 1998
                     ; The Mean Bug, touch and die!
  reset=1960 type=formula formulafile=fgz.frm formulaname=fgz-mand
  center-mag=-0.3/0/0.9149714 params=0/200/0/-200/4/0 float=y
  maxiter=25600 inside=bof60
  colors=0ww1ww2cU4U75TA7`D<2>5Z8<2>Kc5Kc7mAAmAA000000000Rww<8>0ww000<21>0\
  00wm0<5>wm0wj0wf0wb0<3>wW0wU0wU0<185>220111000000
  savename=Mean_Bug
  }

frm:FGZ-Mand  { ; (c) Jay Hill, 1998
  IF( |p3| == 0)
    p3 = 16
  ENDIF
  c=pixel, z=sqrt(-c), bailout = real(p3):
  z1=z*z + c;
  z = p1*z1*z1/(z1 + p2) + c;
  |z| <= bailout
}


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

Date: Mon, 19 Jan 1998 11:52:54 -0700
From: Rich Thomson <[e-mail]>
Subject: (fractint) generalizing coloring methods

In anticipation of 24-bit (and 32-bit) rendering modes in fractint,
I've been wondering if there isn't a way to unify all the various
coloring tricks embedded in FRMs as well as fractint's internal
coloring algorithms.  Here is what I have been thinking... if we
define a coloring "formula" and apply it to the iteration.  Here is
the proposed anatomy of a coloring formula:

    name {
    initialization :
    per-iteration
    finalization
    }

name        The name of this coloring method

initialization    Similar to the initialization section for a formula;
        "pixel" and other magic variables are initialized so
        they can be used by the coloring formula.  The
        coloring formula can introduce its own variables and
        initialize them here.

per-iteration    For coloring methods where the variables must be
        updated every iteration, change that information in
        this section

finalization    After the orbit has finished (because it bailed out,
        or reached maxiter, or hit a period cycle, etc.), this
        section assigns the pixel's color value

Here are some examples of the builtin coloring methods fractint has:

    iter {
    index = 0 :
    index++,
    color=colormap[index]
    }

    epsilon_cross {
    axis = 0, index = 0 :
    if (!axis && (imag(z) < .01)) then
       axis = 1
    else if (!axis && (real(z) < .01)) then
       axis = 2
    endif
    index++,
    if (axis == 1) then
       color = green
    else if (axis == 2) then
       color = yellow
    else
       color = colormap[index]
    endif
    }

In the epsilon_cross case, you might want to be able to have a way to
terminate the orbit early when you detect it nearing the axis.  A new
syntax could be introduced to allow the coloring scheme to affect
the bailout, or there could be a statement that aborted the iteration
because of the coloring test.

I think this kind of scheme encompasses all the existing coloring
modes of fractint and also covers the kinds of balls/stalks/etc. types
of colorings that others have embedded into their formulas.  The nice
thing about this kind of approach is that it separates the formulas
from the coloring.  Want a fancy colored M-set?  No need to avoid the
builtin type=mandel then, just specify the fancy coloring.

What do others think of this idea?  Are there coloring schemes that
DON'T fit into this framework?  I'd like to get something that is as
general as possible before doing any work on writing fractint code to
support it.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 11:58:59 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Re: printing fractals

In article <[e-mail]> ,
    "Jay Hill" <[e-mail]>  writes:
> IMHO, it is the fully-saturated red, green and blue which are the problem.
> The ink colors are Yellow, Magenta and Cyan (approximately).  Therefore,
> these as fully-saturated colors in your image should come out just fine.

Sadly, this is not the case!!  The yellow of the inks is not the same
(photometrically speaking) yellow as that shown on your monitor.
Trust me, you really need to work with your Printer (the person, not
the device) or someone who is familiar with color matching in desktop
publishing in order to get your colors reproduced faithfully.  Its not
a simple matter of "cyan is cyan is cyan"....  For instance, the yellow
on your computer monitor is formed by adding the phosphorescent output
of the two additive primaries in your CRT (red and green).  However,
the yellow from the inks is formed by taking essentially white light
and subtracting everything but the yellow.  An entirely different
process of producing color, so it shouldn't come as a surprise that
the two "yellows" are not identicle.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 11:14:33 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Gamma values

Steve...

Bob and I sort of figured it out.....it's not a "true" gamma correction in
that only a portion of the palette is affected.  What apparently happens
is...if you select a "gamma" value of other than the default 1 (hit m while
looking at the palette), you will get a different series of color "steps"
for those colors which you are transitioning by using the = feature.  Thus,
a gamma value of, say 2.5, will produce a more tinted (lighter) set of
steps....and a value of less than 1 will produce a toned or darker
progression of colors.  Quite a handy little feature. It's best to try this
feature out with a color map that you are very familiar with and that has a
goodly number of color transitions rather than a map with one or two
transitions.

Angela

At 10:50 AM 1/19/98 -0700, you wrote:
>
>In article <[e-mail]> ,
>    Bob Margolis <[e-mail]>  writes:
>> Do any of you use the "gamma value" command while editing your palettes?
>> If so, how do you make use of it and what are the results?
>
>I wasn't aware that fractint had any concept of gamma... I wonder if
>its doing proper gamma correction or what.
>--
>  ``Between stimulus and response is the will to choose.''  -- Steven Covey
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>     3D Paint: The Power to Create in 3D;        Rich Thomson
>     email me for more info                [e-mail]
>
>-
>------------------------------------------------------------
>Thanks for using Fractint, The Fractals and Fractint Discussion List
>Post Message:   [e-mail]
>Get Commands:   [e-mail] "help"
>Administrator:  [e-mail]
>Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>

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

Date: Mon, 19 Jan 1998 12:03:37 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Gamma values

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

Please folks... I've never encountered this on any list but this
fractals list.... My name is NOT STEVEN COVEY!!!  Sheesh!  I guess I
should just take the quote out of my signature...
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 11:33:34 -0800
From: Wizzle <[e-mail]>
Subject: Re: (fractint) Re: printing fractals

What sorts of colors tend to print well??  Saturated?? Tints?? Tones??

Sorry for the good on your name rich...I realized what I'd done after I
sent the email

At 11:58 AM 1/19/98 -0700, you wrote:
>
>In article <[e-mail]> ,
>    "Jay Hill" <[e-mail]>  writes:
>> IMHO, it is the fully-saturated red, green and blue which are the problem.
>> The ink colors are Yellow, Magenta and Cyan (approximately).  Therefore,
>> these as fully-saturated colors in your image should come out just fine.
>
>Sadly, this is not the case!!  The yellow of the inks is not the same
>(photometrically speaking) yellow as that shown on your monitor.
>Trust me, you really need to work with your Printer (the person, not
>the device) or someone who is familiar with color matching in desktop
>publishing in order to get your colors reproduced faithfully.  Its not
>a simple matter of "cyan is cyan is cyan"....  For instance, the yellow
>on your computer monitor is formed by adding the phosphorescent output
>of the two additive primaries in your CRT (red and green).  However,
>the yellow from the inks is formed by taking essentially white light
>and subtracting everything but the yellow.  An entirely different
>process of producing color, so it shouldn't come as a surprise that
>the two "yellows" are not identicle.
>--
>  ``Between stimulus and response is the will to choose.''  -- Steven Covey
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>     3D Paint: The Power to Create in 3D;        Rich Thomson
>     email me for more info                [e-mail]
>
>-
>------------------------------------------------------------
>Thanks for using Fractint, The Fractals and Fractint Discussion List
>Post Message:   [e-mail]
>Get Commands:   [e-mail] "help"
>Administrator:  [e-mail]
>Unsubscribe:    [e-mail] "unsubscribe fractint"
>
>

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

Date: Mon, 19 Jan 1998 11:25:03 -0800
From: "Jay Hill" <[e-mail]>
Subject: Re: (fractint) formula revision

Hi George,

Very good point!  Sorry to have missed that!  Please make the revisions in your

copies, everyone.  If I had to do it over again, I'd make the formula

z = p1*c + fn1(z)^2  ; no way to get zero divide!!

Call that version Langolier3

Two-Helmets        { ; (c) Jay Hill, 1998
                     ; Foot ball helmets? Almost.
  reset=1960 type=formula formulafile=langolie.frm
  formulaname=langolier3 function=sinh
  center-mag=0.247756/0.378708/1.532688/1/-54.998 params=3/2/100/0
  float=y maxiter=2560 inside=bof60
  colors=Ucw<3>UcwUKw<2>wKw<7>wKcAmA<11>AmAwA5<224>wA4
  }

frm:Langolier2 { ; Nature102
            ; suggested generalization by Jay Hill
            ; try p1= -.013579, .2468
  IF( |p1| == 0)
    p1 = 1 ; default, don't want zero divide
  ENDIF
  IF( |p2| == 0)
    p2 = 16 ; default bailout
  ENDIF
  z = 0, c = pixel, bailout = real(p2):
  z = c / p1 + fn1(z)^2
  |z| < bailout
}

frm:Langolier3 { ; Nature102
            ; preferred generalization by Jay Hill
            ; try non-zero p1
  IF( |p2| == 0)
    p2 = 16 ; default bailout
  ENDIF
  z = 0, c = pixel, bailout = real(p2):
  z = p1*c + fn1(z)^2
  |z| < bailout
}


> Friends,
>
>    Just a reminder - I noted today two "langolier" formulas posted, an
> original and a generalized version of the same. Revising and generalizing
> existing formulas is a time honored practice among us.
>
>    BUT please, the generalized formula (or any other variation which
> produces, in effect, a different formula) should be given a different name
> than the original (e.g Langolier2), so that the two formulas can be
> distinguished by Fractint. Otherwise, confusion may result down the road
> when someone refers to the formula, or the formula is called for in a .par
> file.
>
> Cheers,
>
> George Martin
>


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Date: Mon, 19 Jan 1998 19:24:29 -0000
From: "Bagpuss" <[e-mail]>
Subject: Re: (fractint) Colour-map loading problem

Hi, Blake

>I had windows95 running... does that count as a TSR? Oh,
well. There's only
>one word needed: Microsoft. Does anybody know how to get a
pure dos boot on
>a w95 machine?

The best way I found...there are a few, is to root out your
old DOS6.22 disks, and use them to create an optimum boot up
disk...for me this is a much easier way to boot purely in
DOS.
I have found that DOS 7 doesnt actually work very well as
far as memory management goes, so I created a 6.22 biit disk
with the following files.....

SYSTEM FILES:

io.sys                        These are the files which the
sys command will place
msdos.sys                  on the disk.
command.com


OTHER FILES
autoexec.bat                You will have to write this to
suit your own system.
chkstate.sys                needed by the memmaker program.
config.sys                    Again...write this to suit
your system.
defrag.exe                   ONLY use this if your disk was
format under 622 or less
                                  DO NOT USE if the disk was
format by win95
                                  YOU HAVE BEEN WARNED!!!
drvspace.bin                Only needed if you use disk
compression.
edit.com                      Very useful for editing your
autoexec and config files.
emm386.exe                For EMS compatibility.
himem.sys                   For XMS compatibility...emm386
wont work without it.
mem.exe                     Essential for checking what is
using memory, and where it is.
memmaker.exe             Handy utility which supposedly
gives optimal memory configuration
                                    I have always found it
better to do it by hand, but then I'm strange.
mouse.com                  Or whatever your mouse driver
program is called.
mscdex.exe                 Driver for CD-ROM drive (well
kinda anway)
qbasic.exe                   Drives edit.com
scandisk.exe                For checking drives.
sizer.exe                     Needed by the memmaker
program.
vide-cdd.sys                This is what my CD-ROM driver is
called...yours might be called
                                  something else...consult
the docs that came with your CD-ROM
                                  drive

Thats about it...

This setup can read and write to any HDs Ive ever come
accross.
I Actually have a folder on my HD called DOS622 which
contains all the DOS622 files.
I boot with this disk, and can then use any DOS622 commands
I like.  It is much easier than trying to use the buggy,
totally undocumented, incomplete DOS7 which comes with
win95.


        Have fun....
            Stephen


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

Date: Mon, 19 Jan 1998 14:42:56 -0500 (EST)
From: Ian Kaplan <[e-mail]>
Subject: Re: (fractint) Colour-map loading problem

Damien wrote-

>
> Blake,
>
>  - Does anybody know how to get a pure dos boot on a w95 machine?
>
> Assuming you DO NOT have OEM Service Release 2 (i.e. you installed Win95 on
> your computer yourself, and didn't buy it with Win95 pre-installed) then
> edit your C:\MSDOS.SYS file (it's hidden) to include "BootMulti=1" in the
> [Options] section.  When you boot the computer, and it says "Starting
> Windows 95...", press F4.
>
> ***NOTE***: absolutely, positively, DO NOT DO THIS if you have OEM Service
> Release 2.  You will make your system totally inaccessible and you'll lose
> everything.  YOU HAVE BEEN WARNED!

If you feel really compelled to have DOS as a full-blown OS availible to
you, you can partition a hard drive and use a multiple-booter like System
Commander, or better still, install Linux on yet another partition and
use something called LILO to boot all three; consult the Linux HOWTOs for
an exact explanation of this. Try
ftp://dagobah.stwing.upenn.edu/pub/mirrors/redhat/updates/HOWTO for the
gory details; you'll get to try XFractint as well this way...


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Date: Mon, 19 Jan 1998 14:56:05 -0500
From: "Blake Hyde" <[e-mail]>
Subject: Re: (fractint) Colour-map loading problem

    Thanks a lot, everybody. :) The dos boot solves my problems... even with
DOS7. I was going to use a dual-boot config of Win95/Linux, but my [ancient]
Aptiva motherboard doesn't agree with it. *sigh* That made me mad, because,
very frankly, Linux is much better than anything that Microsoft has ever
written.

Blake Hyde ~ Casper ~ Novan Dragon
Homepage: www.connectu.net/bhyde
Email: [e-mail]


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Date: Mon, 19 Jan 1998 12:13:22 -0800
From: "Jay Hill" <[e-mail]>
Subject: (fractint) Sea-horses and Steven Covey

Hi Rich,

As one who fell for your trap, it is really be no surprise! Your
quote says it all. We are stimulated and respond - choosing Steven.
You see, there is a subliminal suggestion, no a command! We just
can't help it.  ;-)

Now the topic.  Folks, what is with the sea-horses in this image?
I have noticed in some iteration fractals that use bof60, we have
some inside regions which are spotted and some that are not. In
this example, the coral is all one color while the sea-horses cycle
through many. You will notice that the sea-horses are an anomaly
to the MSet.  This formula is only very slightly off from the classic
MSet.  Anyway, the anomaly allows some interesting pictures.

Jay

> Please folks... I've never encountered this on any list but this
> fractals list.... My name is NOT STEVEN COVEY!!!  Sheesh!  I guess I
> should just take the quote out of my signature...

Or change your name.  This list has a number of folk using alternate
names -  wizzle, nature, nuke, ......     :-)

> --
>   ``Between stimulus and response is the will to choose.''  -- Steven Covey
>  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>      3D Paint: The Power to Create in 3D;        Rich Thomson
>      email me for more info                [e-mail]

Seahorse          { ; (c) Jay Hill, 1998
                     ; Oh my, what happened to the Sea-horses
                     ; Some blame the Ozone hole and UV!
  reset=1960 type=formula formulafile=fgz.frm formulaname=fgz-mand
  center-mag=-0.75585721962559640/+0.05613931178221335/530.0102/1/80
  params=100/0/100/0/4.1/0 float=y maxiter=25600 inside=bof60
  outside=0
  colors=Afc000<3>cK1<2>hK1iK2kK2mK3lK3<2>fK4<15>mKAmKAmKAmKAmKA<11>jJAjwh\
  jJA<201>222222111000000
  }

frm:FGZ-Mand  { ; (c) Jay Hill, 1998
  IF( |p3| == 0)
    p3 = 16
  ENDIF
  c=pixel, z=sqrt(-c), bailout = real(p3):
  z1=z*z + c;
  z = p1*z1*z1/(z1 + p2) + c;
  |z| <= bailout
}


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Date: Mon, 19 Jan 1998 20:33:58 +0000 (GMT)
From: Andrew M Jenner <[e-mail]>
Subject: (fractint) Re: fractint-digest V1 #81

Paul Carlson wrote:
> Also, I had no TSR running when my colormaps got messed up.

Hmmm. Might be your graphics card, then. Have you tried running fractint
with nothing in your AUTOEXEC.BAT or CONFIG.SYS files?

Andrew Jenner


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Date: Mon, 19 Jan 1998 16:26:04 -0500
From: Les St Clair <[e-mail]>
Subject: Re: (fractint) DOS boot (was Colour-map loading problem)

Blake asked..

>> Does anybody know how to get a pure dos boot on a w95 machine?<<

You can always boot from an old DOS floppy by powering up your machine wi=
th
the DOS set-up disk in the floppy drive. Most machines boot in the sequen=
ce
A: then C: (if not you can always configure the boot sequence from your
BIOS). I've run Fractint this way once for a particular reason and it was=

fine.

- - Les


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Date: Mon, 19 Jan 1998 17:13:32 -0500
From: "Blake Hyde" <[e-mail]>
Subject: (fractint) MAP Generator

    I have written a random map generator... I like being able to control
the bands of color more intuitively than you can with the built in
randomizer, and I didn't like Mapper, the generator that comes with
Fracxtra, so I wrote one that I hope to add more features to. Currently, it:
    * has greyscale or full color options
    * has banding from the color to white (the banding is my least
        favorite part of it, actually, because it always ends up
        with 255 255 255--perfect white.)
    * allows you to choose a black or random background
You can get it directly (in zip form, ~32k) from
www.connectu.net/bhyde/randmap.zip or from the page
www.connectu.net/bhyde/frmg.htm. I will try to get a C translation ASAP, so
that it doesn't use so much unnecessary space. Also, if you want, I can get
the QuickBasic source... my email is in my sig.

(The current version number is 0.41, but I'll have 1.0 as soon as I can
figure out a way to work around the 255x3 bug.)

Blake Hyde ~ Casper ~ Novan Dragon
Homepage: www.connectu.net/bhyde
Email: [e-mail]


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

Date: Mon, 19 Jan 1998 15:32:36 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) MAP Generator

Some things I'd like to see in a "map maker":

    o Manipulate very large palettes, not limited to 256 colors
      (i.e. palettes with 4K, 8K or 16K entries)
    o Drag an image onto the map maker application:
    > If the image is palette-based image (GIF, 8-bit PNG, etc.),
        then extract the palette
    > If the image is 24-bit, popup dialog to:
        o extract all colors from image as a large palette
        o adjust quantization parameters (median cut, histogram, color
        cube, etc.) to select subset of colors in 24-bit image
    o Fractionally blend palettes:
    for (i = 0; i < 256; i++)
        out[i] = pal_a[i]*blend + pal_b[i]*(1.0 - blend)
    o Stretch / squeeze number of entries in the palette
    > Stretch by interpolation
    > Squeeze by filtering & quantization
    o Manipulations of palettes in HSV/HLS/etc. color spaces
    o Ramps, gradients, ribbons, etc., a la KPT
    o Alpha channel support!

I might be forgetting some stuff, but that should keep you busy for a
while :)
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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

Date: Mon, 19 Jan 1998 22:33:27 -0000
From: "Bagpuss" <[e-mail]>
Subject: (fractint) blakes fractal chat room

Hi all,
    Have you visited Blakes chat room yet?

    IMHO we should try to make this a success, and have it
as active as possible.

    I will be in the room until 2330(11:30pm) GMT so if you
fancy coming along and talking to an idiot..........

www.connectu.net/bhyde/fractal.htm is the link that will get
you to blakes homepage....

Click on the FRACTAL CHAT link at the top of the page to
enter the chat room.

The more people who arrive the more succesful the room will
be.


    Stephen
http://ireland.iol.ie/~bagpuss


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Date: Mon, 19 Jan 1998 19:57:20 EST
From: Nature102 <[e-mail]>
Subject: (fractint) Fractal music?

  I just had a chance to hear some fractal-generated music. The stuff sounds
really cool. Kind of mystical. You probably won't hear any CDs of it, but it's
cool. Does anyone know if there's any chance that Fractint is going to be able
to generate fractal music in the near future? For that matter, does anyone
know HOW to generate fractal music?

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Date: Mon, 19 Jan 1998 18:12:51 -0700
From: Rich Thomson <[e-mail]>
Subject: Re: (fractint) Fractal music?

In article <[e-mail]> ,
    Nature102 <[e-mail]>  writes:
> Does anyone know if there's any chance that Fractint is going to be able
> to generate fractal music in the near future?

I doubt it, but it does have some rudimentary sound output capacity;
from the fractint help pages at spanky:
<URL: http://spanky.triumf.ca/www/fractint/sound_params.html>

SOUND=off|x|y|z

     We're all MUCH too busy to waste time with Fractint at work, and
     no doubt you are too, so "sound=off" is included only for use at
     home, to avoid waking the kids or your Significant Other, late at
     night. (By the way, didn't you tell yourself "just one more zoom
     on LambdaSine" an hour ago?) Suggestions for a "boss" hot-key will
     be cheerfully ignored, as this sucker is getting big enough
     without including a spreadsheet screen too.  The "sound=x/y/x"
     options are for the "attractor" fractals, like the Lorenz fractals
     - they play with the sound on your PC speaker as they are
     generating an image, based on the X or Y or Z co-ordinate they are
     displaying at the moment. At the moment, "sound=x" (or y or z)
     really doesn't work very well when using an integer algorithm -
     try it with the floating-point toggle set, instead.

     The scope of the sound command has been extended. You can now hear
     the sound of fractal orbits--just turn on sound from the command
     line or the [X] menu, fire up a fractal, and try the [O]rbits
     command. Use the orbitdelay=[nnn] command (also on the [X] menu)
     to dramatically alter the effect, which ranges from an unearthly
     scream to a series of discrete tones. Not recommended when people
     you have to live with are nearby! Remember, we don't promise that
     it will sound beautiful!

     You can also "hear" any image that Fractint can decode; turn on
     sound before using [R] to read in a GIF file. We have no idea if
     this feature is useful. It was inspired by the comments of an
     on-line friend who is blind. We solicit feedback and suggestions
     from anyone who finds these sound features interesting or useful.
     The orbitdelay command also affects the sound of decoding images.

HERTZ=nnn

     Adjusts the sound produced by the "sound=x/y/z" option. Limits on
     legal values have been removed in version 19.3. You are on your
     own!

ORBITSAVE=sound

     This option causes the hertz value played through the PC speaker
     with sound=x|y|z option to be written to a file "sound.txt" in the
     current directory.  Bill Jemison has made some intriguing music
     with this option.

> For that matter, does anyone
> know HOW to generate fractal music?

Probably what you heard was synthesized from so-called "1/f noise";
there is a nice bibliography of papers and articles about this at
<URL: http://linkage.rockefeller.edu/wli/1fnoise/>

Hope that helps.
- --
  ``Between stimulus and response is the will to choose.''  -- Steven Covey
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
     3D Paint: The Power to Create in 3D;        Rich Thomson
     email me for more info                [e-mail]

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End of fractint-digest V1 #82
*****************************