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fractint-digest        Friday, December 8 2000        Volume 01 : Number 515




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

Date: Wed, 6 Dec 2000 15:48:58 +1300
From: <[e-mail]>
Subject: Re: (fractint) General cubic exploration

Andrew Coppin <[e-mail]> said:

> No, I just downloaded FractInt 20.03.01 - the one *with* integer math - and
> I still get
>
> >  Oops. I couldn't understand the argument:
> >    >colors0uh6<16>XE6VC6UB6<2>P56O46O57<37>OaRObSOcS<3>OfU<2>XtZ<63>rvB
> >
> >  Any key to continue...
>
I don't have the pars on me right at the moment, but shouldn't that first '0'
be an '='?

Morgan L. Owens
"And shouldn't it be 'colours'?"



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

Date: Tue, 05 Dec 2000 22:02:25 -0600
From: Tim Wegner <[e-mail]>
Subject: Re: (fractint) General cubic exploration

Andrew asked:

> PS. The .pars all say they were made with 20.01 patchlevel 1. How do I get
> my hands on that? I can't seem to find the file on the fraction FTP site...

We generally don't leave many old developer packages up. Check
out

http://www.fractint.org/ftp/old/dos/

The "fradev" packages have executables. Looks like the earliest
one is 20.0.10. Not sure why you would want to try. However if you
think there's a good reason, I could put up more old packages.
They are mainly good for discovering when a bug started. I do a
kind of binary search, trying old versions until I pin point when a
bug started, and then it is easy to fix.

Tim


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

Date: Tue, 05 Dec 2000 22:02:25 -0600
From: Tim Wegner <[e-mail]>
Subject: Re: (fractint) a fractint-manzpower-bug

Date sent:          Tue, 05 Dec 2000 02:34:34 +0100
From:               [e-mail] (Thomas Beyer)

BeyerTh wrote:

> The star-shaped figure within the bud is obviously an artefact caused by
> a bug in the manzpower-integer-routines.
>
> Did anyone notice that before, or has anyone a clue, how that bug
> arises?

Define "bug" :-)

Integer math, by definition, has very limited dynamic range. Couple
that with the manzpower type (clue: "power") and you see that you
are coupling a datatype with limited dynamic range with a fractal
type using exponentiation, which requires a lot of dynamic range.
The star-shaped figure you found is a typical artifact of integer
math, and a charming one at that. Some folks have made
spectacular fractals images that depend on these artifacts, and
have even complained when we made any change in integer math
that changed the artifacts

I suggest you leave the web page up (it's a nice image, though it
could use something besides the default colors) but edit the text.
It's not a bug and not a surprise to experienced fractint users. Just
an interesting artifact of a software algorithm designed to exploit
the very earliest, FPU-less computer CPUs of the late 1980's era. I
don't expect integer math to survive many (if any) future fractint
versions, unless we make an extra effort to keep it out of nostalgia.

Tim


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

Date: Thu, 7 Dec 2000 00:20:26 -0500 (EST)
From: Jim Muth <[e-mail]>
Subject: (fractint) FOTD 07-12-00 (4D-06 [NA])

FOTD -- December 07, 2000 (Rating NA)

Fractal visionaries and enthusiasts:

The previous image in the series of 4-D rotation images showed
the period-4 northeast bud of the M-set as it appears when
viewed from the side, with the Rectangular direction displayed.
At this angle the displayed slice cuts through the length of the
Mandelbrot cylinder, resulting in features with perfectly
straight edges and narrow straight bands which I call bridges.

In the previous 4D-05 image, the screen X-axis represents
imag(Z), the Y-axis imag(C), and the Z-axis real(C).  How then
are we to rotate the image to bring the real(Z) axis, which is
now the fourth dimension, onto the screen?

To find the rotation, we must rotate the entire 4-D Julibrot
around the image on the screen, until the image's Z axis
represents real(Z).  In such a rotation, the screen image will
be the axis of rotation, and therefore will show no change as
every point turns in place on itself, but the rest of the unseen
3-D slice will change dramatically.  Now, as we rotate around
the screen's X-axis, the screen's Y-axis will rotate toward
real(Z) instead of real(C).  We are rotating from the Rectangu-
lar direction toward the Julia direction.

As the 3-D slice rotates through the fourth dimension in this
manner, the shape of the cylinders themselves changes.  The
originally circular cylinders gradually elongate into ever more
eccentric elliptic cylinders, and finally into flat, plate-like
features of varying thickness.

In today's image, the illustrated slice has been rotated 60
degrees from the Rectangular direction toward the Julia
direction.  The bridge, which appears as the brilliant feature
in the background, is actually part of a 3-D plate.  Since the
slice of the image is cutting through this plate at an angle of
only 30 degrees, the apparent width of the bridge has broadened
to twice its previous value.

The banded Julia stuff continues to shift and change in an
almost random manner, though there is an apparent tendency for
it to spread out along the bridge.

In tomorrow's image, we'll continue the rotation, showing the
changes that take place at an ever-increasing rate as we
approach the Julia direction.

The parameter file of today's image renders in one minute, about
the same time it takes to get to and download the GIF image file
from:

          <alt.binaries.pictures.fractals>

or from:

          <http://home.att.net/~Paul.N.Lee/FotD/FotD.html>

The fractal weather today at Fractal Central was partly sunny
but quite cold, with a temperature of 30F (-1C) that kept even
the thoughts of the outdoors from the minds of the fractal cats.

I'll return in 21 hours or so with further rotation of the
image.  Until then, take care, and practice fractal conservation.


Jim Muth
[e-mail]


START 20.0 PAR-FORMULA FILE================================

4D-06              { ; time=0:01:00.92 -- SF5 on a P200
  reset=2000 type=formula formulafile=multirot.frm
  formulaname=multirot-XY-ZW function=flip/ident
  passes=t center-mag=-1.11022e-016/8.32667e-017/10.4\
  1667 params=60/90/0.36775/0/0.281/0.4871 float=y
  maxiter=3600 inside=0 logmap=yes periodicity=10
  colors=000BAABWfCAACVfDAAEVfEAAFUfFAAGUfGAAHUfHAAITf\
  IAAJTfJAAKSfKAALSfLAAMSfNAANRgOAAORgPAAPQgQAAQQgRAAR\
  QgSAASPgTAATPgUAAUOgV9AWOgW9AXOgX8AYNgY8AZNgZ8A_Mg_7\
  A`Mg`7AaMga6AbLgb6AcLgc6AdMhd8AdNid9AdOjeAAeQjeCAeRk\
  eEFeSlfGKfTmfJPfUnfLUgVngOZgWogRcgYpgShhZqhUjh_rhWlh\
  `siZniasi`pibtibricujdtjev<6>kiykiykjz<11>nqznqznrz<\
  4>nsznsznsz<31>vzzwzzwzz<2>xzzxzzvyztwzruz<3>jmwhkwf\
  iw<2>`cxZbxXbyVbyTby<9>NbzMbzMbz<2>KbzJbzKdz<4>PnzQp\
  zRrz<2>UxzVzzWzz<3>Zzz_zz_zz<5>_zz_zz`zz<35>Nzz
  }

frm:multirot-XY-ZW {; draws 6 planes and many rotations
;when fn1-2=i,f, then p1 0,0=M, 0,90=O, 90,0=E, 90,90=J
;when fn1-2=f,i, then p1 0,0=M, 0,90=R, 90,0=P, 90,90=J
a=real(p1)*.01745329251994, b=imag(p1)*.01745329251994,
z=sin(b)*fn1(real(pixel))+sin(a)*fn2(imag(pixel))+p2,
c=cos(b)*real(pixel)+cos(a)*flip(imag(pixel))+p3:
z=sqr(z)+c,
|z| <= 36  }

END 20.0 PAR-FORMULA FILE==================================


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

Date: Thu, 07 Dec 2000 13:16:35 -0000
From: "Andrew Coppin" <[e-mail]>
Subject: Re: (fractint) General cubic exploration

>From: <[e-mail]>
>Reply-To: [e-mail]
>To: [e-mail]
>Subject: Re: (fractint) General cubic exploration
>Date: Wed, 6 Dec 2000 15:48:58 +1300
>
>Andrew Coppin <[e-mail]> said:
>
> > No, I just downloaded FractInt 20.03.01 - the one *with* integer math -
>and
> > I still get
> >
> > >  Oops. I couldn't understand the argument:
> > >
> >colors0uh6<16>XE6VC6UB6<2>P56O46O57<37>OaRObSOcS<3>OfU<2>XtZ<63>rvB
> > >
> > >  Any key to continue...
> >
>I don't have the pars on me right at the moment, but shouldn't that first
>'0'
>be an '='?

Well, in my original message it *was* colors=000uh6<16>XE6...

>Morgan L. Owens
>"And shouldn't it be 'colours'?"

Nope. The FractInt docs definitly say 'colors'! Maybe they should allow
*both* spellings to be valid, like POV-Ray does...

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

Date: Thu, 07 Dec 2000 13:26:01 -0000
From: "Andrew Coppin" <[e-mail]>
Subject: Re: (fractint) General cubic exploration [Solved!]

I tried using patch 1, and I still get the same problem.

Ah ha! But I managed to fix it! I took the colors=... line and changed the
wordwrapping to make all the lines a few charactors shorter, and hey presto!
It now works. Odviously fractint can only recognise so many charactors per
line or something...

Andrew.

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

Date: Thu, 07 Dec 2000 15:28:50 +0100
From: [e-mail] (Thomas Beyer)
Subject: Re: (fractint) a fractint-manzpower-bug

Tim Wegner schrieb:

>
> Define "bug" :-)
>
You mean: it's not a bug it's a feature :-)

No, honestly.
An artifact due to the limited _precision_, which is inherent in integer
maths, is, of course, a feature.
In this case, I think, it's a problem of the limited _range_, but that
means, that an overflow wasn't handled correctly, therefore I call it a
bug. (Note, that Lee Skinner called it at least "very unusual".)

> I don't expect integer math to survive many (if any) future fractint
> versions, unless we make an extra effort to keep it out of nostalgia.
>
I agree that integer arithmetics have become more or less obsolete. I
think for that purpose, I'll keep my FI 20.0 (just as I still have a
Version 15.xx for the square-looking finite attractor).

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

Date: Thu, 7 Dec 2000 19:05:53 -0500 (EST)
From: Jim Muth <[e-mail]>
Subject: (fractint) FOTD 08-12-00 (4D-07 [NA])

Classic FOTD -- December 08, 2000 (Rating NA)

Fractal visionaries and enthusiasts:

We're in the middle of another rush today here at Fractal
Central, so I'll have to keep the words to a minimum.

Today's image has been rotated until it lies only 10 degrees
from the Julia plane.  When sliced at this angle, the bridges,
which are made of Mandelbrot stuff and are actually plates,
appear to have expanded to almost 6 times the width they have
when sliced perpendicularly.

In today's image, we see the entire lower half of the screen
filled with the Mandel stuff that makes up the bridge.  The
straight edges of the bridge remain clearly visible.  The banded
Julia material in the lower half of the image has taken on a
tortured, stretched, twisted look, which is not very attractive
to look at.  Also, the four arms in the upper right, which in
yesterday's image converged in a vague spiral, have taken on a
decidedly more spiral-like appearance.

In the next FOTD, we'll rotate the view still closer to the
Julia plane, and see what happens to the ever-broadening bridge
of Mandel-stuff.

Today's image renders in a quick 46 seconds, fast enough to make
the download unnecessary.  But for those who would still wish to
download the finished GIF image file, the file is available at:

          alt.binaries.pictures.fractals

and at:

          <http://home.att.net/~Paul.N.Lee/FotD/FotD.html>

The fractal weather today was partly sunny with occasional
flurries of snow.  With a temperature of 32F (0C), the fractal
cats didn't even think of going outdoors.

But I'm thinking of getting busy and finishing that job that's
been fighting me most of the evening.  I'll reappear tomorrow at
about this same time, with the next in the series of rotation
images.  Until then, take care, and when working with fractals,
don't get cold feet.


Jim Muth
[e-mail]


START 20.0 PAR-FORMULA FILE================================

4D-07              { ; time=0:00:46.13 -- SF5 on a P200
  reset=2000 type=formula formulafile=multirot.frm
  formulaname=multirot-XY-ZW function=flip/ident
  passes=t center-mag=-1.11022e-016/8.32667e-017/10.41\
  667 params=80/90/0.36775/0/0.281/0.4871 float=y
  maxiter=3600 inside=0 logmap=yes periodicity=10
  colors=000BAABWfCAACVfDAAEVfEAAFUfFAAGUfGAAHUfHAAITf\
  IAAJTfJAAKSfKAALSfLAAMSfNAANRgOAAORgPAAPQgQAAQQgRAAR\
  QgSAASPgTAATPgUAAUOgV9AWOgW9AXOgX8AYNgY8AZNgZ8A_Mg_7\
  A`Mg`7AaMga6AbLgb6AcLgc6AdMhd8AdNid9AdOjeAAeQjeCAeRk\
  eEFeSlfGKfTmfJPfUnfLUgVngOZgWogRcgYpgShhZqhUjh_rhWlh\
  `siZniasi`pibtibricujdtjev<6>kiykiykjz<11>nqznqznrz<\
  4>nsznsznsz<31>vzzwzzwzz<2>xzzxzzvyztwzruz<3>jmwhkwf\
  iw<2>`cxZbxXbyVbyTby<9>NbzMbzMbz<2>KbzJbzKdz<4>PnzQp\
  zRrz<2>UxzVzzWzz<3>Zzz_zz_zz<5>_zz_zz`zz<35>Nzz
  }

frm:multirot-XY-ZW {; draws 6 planes and many rotations
;when fn1-2=i,f, then p1 0,0=M, 0,90=O, 90,0=E, 90,90=J
;when fn1-2=f,i, then p1 0,0=M, 0,90=R, 90,0=P, 90,90=J
a=real(p1)*.01745329251994, b=imag(p1)*.01745329251994,
z=sin(b)*fn1(real(pixel))+sin(a)*fn2(imag(pixel))+p2,
c=cos(b)*real(pixel)+cos(a)*flip(imag(pixel))+p3:
z=sqr(z)+c,
|z| <= 36  }

END 20.0 PAR-FORMULA FILE==================================


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

Date: Thu, 7 Dec 2000 19:55:28 -0500
From: Lee Skinner <[e-mail]>
Subject: (fractint) General cubic exploration

>> Nope. The FractInt docs definitly say 'colors'! Maybe they should allo=
w
*both* spellings to be valid, like POV-Ray does...  <<

Occam's razor tells me to use "colors" - oops, I mean 'colors'.  :-)

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

Date: Fri, 08 Dec 2000 01:37:14 -0500
From: "Multiple Bogeys" <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

404, and it's nearly two o'clock in the morning.
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Date: Fri, 08 Dec 2000 01:46:52 -0500
From: "Multiple Bogeys" <[e-mail]>
Subject: (fractint) Re: General Cubic Exploration

I now have enough information to solve the mystery of my PAR not working
with some people here, and working fine for others (including myself). It's
a little problem with rich text and with at least one email client program.

The kicker was this line:

Oops, couldn't understand the argument:
colors0ublahblah

when the input was

colors=000ublahblah

- -- somehow, some people had an "=00" go missing. When I saw that, it all
fell into place. Clearly, these people have an email client that can handle
a certain enriched-text format called "quoted-printable", which I have seen
before, and which has markup tags for some function or other taking the form
of an "=" and a 2-digit code. In that markup, an "=" itself is represented
using such a code (specifically, "=3d"). Moreover, these peoples' email
software is clearly interpreting plain text messages as though they were in
markup. As a result, when it viewed the par file, it interpreted the "=00"
in the color line as a markup tag (though it wasn't intended as such) and it
evidently collapsed away into an invisible character or change of format.
This disappeared when the line was copied and pasted into a plain text
editor that couldn't represent rich text formatting or special characters.

This, then, is just the reverse of a problem we had on here once before, in
which someone was posting par files with an email client and unwittingly
posting quoted-printable markup instead of plain text -- the result was
stuff like "center-mag=3d0.3632/-0.7616/0.00001283", which Fractint choked
on.

The devil of it is that quoted-printable looks enough like normal text that
the problem isn't glaringly obvious, unlike when something shows up as HTML.

Just Say No to weird markup-using mail readers. :-)
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------------------------------

Date: Fri, 08 Dec 2000 01:37:28 -0600
From: "Paul N. Lee" <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

Multiple Bogeys wrote:
>
> 404, and it's nearly two o'clock in the morning.
>

Seems like it is only you that has this problem and keeps complaining
regularly.  The page has already been accessed at least 7 times.  If you
had a decent ISP then you might not have this problem and could get
something other than a bogus email account through HotMail.

I guess you've got nothing better to do with your existence, seeing how
Jim wrote this:

    "Today's image renders in a quick 46 seconds, fast
     enough to make the download unnecessary."

Or if you were too lazy to spend the few seconds render time, you could
have taken a little longer time and gotten it from the Usenet or one of
the web based Newsgroup archives.


Sincerely,
P.N.L.
- --------------------------------------------------------------
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------------------------------

Date: Fri, 08 Dec 2000 07:20:10 -0500
From: Mike Traynor <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

"Paul N. Lee" wrote:

> Multiple Bogeys wrote:
> >
> > 404, and it's nearly two o'clock in the morning.
> >
>
> Seems like it is only you that has this problem and keeps complaining
> regularly.

Well, Paul, I think you and Jim should give this guy back his money!

And there.  Its done!

There you go, Multiple!  Now you're not out anything.

Glad I could help sort this out!

Mike

P.S. #1: I have a hotmail account, as well as this one.  It isn't the e-mail account's
fault when its owner doesn't appreciate neat images and discussion and volunteerism
on the net.

P.S. #2: Neat series.  Been playing around and getting some neat 'movies'.



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

Date: Fri, 8 Dec 2000 07:20:13 -0500
From: Lee Skinner <[e-mail]>
Subject: (fractint) Re: General Cubic Exploration

>> I now have enough information to solve the mystery of my PAR not worki=
ng
with some people here, and working fine for others (including myself). It=
's
a little problem with rich text and with at least one email client progra=
m.
.. <<

(Explanation snipped)

A very good explanation!!   Thanks for sharing your detective work.  I
remember those '3d's quite well!

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

Date: Fri, 08 Dec 2000 23:12:00 +1000 (EST)
From: [e-mail]
Subject: (fractint) To: [e-mail]

Hey Everybody,
              I'm trying to make a large (A0) size
poster of a fractal.  However from what I can gather
the larges fractal fractint can generate (with disk
video mode) is 2048 x 2048 x 256 due to internal limits
(says the documentation) but im gonna need better
resolution to print a poster about 50cm by 75cm so I
was just wondering if anybody had any ideas on the most
accurate way of generating a large resolution fractal.
Thanksalot, Jim

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

Date: Fri, 08 Dec 2000 09:22:20 -0600
From: Programmer Dude <[e-mail]>
Subject: Re: (fractint) Re: General Cubic Exploration

Multiple Bogeys wrote:

> ...which has markup tags for some function or other taking the form
> of an "=" and a 2-digit code.

Specifically, the hex value of a(n ASCII) "non-printable" character.
In ASCII, 3D (aka 0x3D, aka &H3D, etc.) is the hex value of '='.  In
email posts like that, you also frequently see =0a (new line) and
=20 (space).

- --
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|_ http://www.Sonnack.com/ ___________________| Call: 1-800-DEV-NULL  |
|_____________________________________________|_______________________|

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Date: Fri, 08 Dec 2000 09:47:56 -0600
From: Programmer Dude <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

Paul N. Lee wrote:

> Multiple Bogeys wrote:
>
>> 404, and it's nearly two o'clock in the morning.
>
> Seems like it is only you that has this problem...

I have--on very rare occasions--had trouble with your site.
I have--on mostly rare occasions--had trouble with *all* sites
that I access daily.

Nothing as complex as the 'net works perfectly all the time.

> ...and keeps complaining regularly.

I donno.  The 'net and I go back far enough that I still view
it as a volunteer/amateur/academic/gummint deal rather than
a taken-for-granted utility such as water and power.  When it
burps, I tend to wait and see...it's usually fine later.  (This
actually works well in many areas of life.)

I'm impressed by the wealth, texture and richness of the web,
and I'm constantly amazed by the contributions of the myriad
authors of the content.  I do have some idea how hard it is to
create and maintain a website, both artistically and technically.

I'm also very impressed by those that take on the pressure of a
daily contribution.  That is no small matter. (I can't begin to
imagine how people like Scott Adams do it.)

I ramble.  The point is, this is supposed to be FUN.  Relax, have
an eggnog.  The fractal will be there later.  If not, and one is
terribly concerned about it, perhaps direct email to the webspinner
is a wise choice of action.

- --
|_ CJSonnack <[e-mail]> _____________| How's my programming? |
|_ http://www.Sonnack.com/ ___________________| Call: 1-800-DEV-NULL  |
|_____________________________________________|_______________________|

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Date: Fri, 8 Dec 2000 11:49:31 -0500
From: "Barry N. Merenoff" <[e-mail]>
Subject: (fractint) To: [e-mail]

Dear Jim,
        You could try a multiple-image batch (with SIMPLGIF) in single-pa=
ss
mode, although I don't know how well this would work in terms of
seamlessness.

Sincerely,
        Collin

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Date: Fri, 08 Dec 2000 13:12:32 -0500
From: "Multiple Bogeys" <[e-mail]>
Subject: (fractint) Evolver bug

Found this in 20.1.01, but since the changes posted here for 20.1.02 and
20.1.03 don't include any evolver bug fixes, I assume it is unfixed in
20.1.03. (What, by the way, does 20.1.03 have that 20.1.01 does not? It's
yet to be adequately explained.)

Generate the image, then enter the evolver with ctrl-e, and hit f6 to pick
parameters to vary. p2 and p3 don't show up, even though both are used in
the formula. You need my cubeg2 formula file, posted here last week.

evolver_bug        { ; version 20.01.1
                     ; generate image, then ctrl-e, f6.
                     ; p2 and p3 should be displayed, but aren't.
                     ;  Version 2001 Patchlevel 1
  reset=2001 type=formula formulafile=cubeg2.frm formulaname=CubeG2_Ma
  center-mag=0/0/0.6666667 params=0/0/0/0/0/1e-005 float=y
  maxiter=2000 inside=0 logmap=yes periodicity=0
  colors=8O`8O`<14>Af`Ag`Ah`<3>Am`<3>hspqutyvw<18>ofWoeVndT<2>maPmaOn_N<9>\
  uPKuOKvNK<2>xKJxJJwLI<23>gh5fi4ej4<2>cm2cn2dm3<16>ik8jj8jj8<2>kj9kj9ig8<\
  6>_N6YK5XH5<3>R64<7>kTInWKpZM<3>ziS<2>kaE<16>kQBkPAkOA<2>kMAkMAlOC<16>oj\
  golipmk<2>pqqprrprs<7>tuvuvvzzzuvw<3>wxxxxyxyyyyyyzz<31>8O`
  }

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Date: Fri, 08 Dec 2000 13:25:28 -0500
From: "Multiple Bogeys" <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

>If you had a decent ISP then you might not have this problem...

What have you been smoking? Either the page is there on home.att.net, or it
is not; which ISP I happen to be on doesn't affect what home.att.net's Web
server serves for a given URL. At least, it shouldn't; if home.att.net's Web
server serves different stuff for the same URL depending on what the
requester's IP address happens to be, then IMO that Web server is broken,
and it's *your* ISP that ought to be changed.

>and could get something other than a bogus email account through
>HotMail.

I have a working email via my ISP. I don't use it to post on Usenet or open
mailing lists, for reasons that ought to be obvious.

>...if you were too lazy to spend the few seconds render time...

It may render in only a few seconds, but it's still more convenient to view
it on the Web. It only takes a few seconds to download and display, and to
view it on the Web involves three mouse clicks and a few seconds of time. To
render it myself, on the other hand, involves

* Painstakingly selecting all of the text and hitting ctrl-C to copy
  it.
* Opening a text editor and hitting ctrl-V to paste it.
* Saving it to some .par filename or another in the fractint
  directory.
* Opening a DOS window, going to the fractint directory, and starting
  fractint.
* '@', f6, enter the par name, enter, enter.
* Wait for it to render.

This is a fairly long and tedious sequence of steps that cannot be
automated. I much prefer three mouse clicks, especially as the download is
generally as fast on my 56k modem as the fastest FOTD renders at 1024x768.

Usenet is even worse, of course:

* Find abpf, if my ISP even carries binaries -- most don't. (If it
  doesn't, find it on deja news, assuming they carry binaries...)
* Find the messages with the FOTD, somewhere amid all the spam.
* Download and view each message with a part of the fractal, and hope
  they are all there. Paste them (careful to put them in order; they
  might have arrived on my news server out of order) in sequence into
  a file in a large-capacity text editor. Save it.
* Search the Web for a uudecoder of some sort.
* Scan the uudecoder for viruses, assuming I can even find one in this
  day and age.
* Assuming it proves free of infections, use it on the saved text,
  thereby generating a gif.
* Run an image viewer (or Fractint).
* Open the gif.

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Date: Fri, 08 Dec 2000 13:27:43 -0500
From: "Multiple Bogeys" <[e-mail]>
Subject: Re: (fractint) To: [e-mail]

>               I'm trying to make a large (A0) size
>poster of a fractal.  However from what I can gather
>the larges fractal fractint can generate (with disk
>video mode) is 2048 x 2048 x 256 due to internal limits
>(says the documentation) but im gonna need better
>resolution to print a poster about 50cm by 75cm so I
>was just wondering if anybody had any ideas on the most
>accurate way of generating a large resolution fractal.
>Thanksalot, Jim

Fractint has a feature for generating large images in parts. Also, the
recent developer betas (get from http://www.fractint.org) can generate
larger disk-video modes, but you have to hack fractint.cfg yourself to
specify them, and they don't always work very well.
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Date: Fri, 08 Dec 2000 15:02:05 -0600
From: DeBow Freed II PhD <[e-mail]>
Subject: Re: (fractint) FOTD 08-12-00 (4D-07 [NA])

<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
could some of MB's frustration arise from his 56.6kb (i.e., usu no better
than 21.8, 28.8, or at best-in an urban area, 34) modem? I know mine did.
<p>Does he have the ability to get an ext cable modem, or DSL from the
phone co??
<p>It's never the promised T1speed, but it's a <u>heck of a lot</u> faster
than dial-ups are.
<p>I know my general level of frustration w/ the world (in my case, governed
almost entirely by download-intensive internet functions, for work and
pleasure) almost vaporized as soon as I ceased having to spend <u>40-45s/online
minute</u> <b>waiting.</b>
<p>Life became less irritating and more fun. Perhaps 100mg of T1 speed
downloads, administered 2-3 times / day, would be just what the doctor
ordered.
<p>Just a thought . . . .
<p>Multiple Bogeys wrote:
<blockquote TYPE=CITE>>If you had a decent ISP then you might not have
this problem...
<p>What have you been smoking? Either the page is there on home.att.net,
or it
<br>is not; which ISP I happen to be on doesn't affect what home.att.net's
Web
<br>server serves for a given URL. At least, it shouldn't; if home.att.net's
Web
<br>server serves different stuff for the same URL depending on what the
<br>requester's IP address happens to be, then IMO that Web server is broken,
<br>and it's *your* ISP that ought to be changed.
<p>>and could get something other than a bogus email account through
<br>>HotMail.
<p>I have a working email via my ISP. I don't use it to post on Usenet
or open
<br>mailing lists, for reasons that ought to be obvious.
<p>>...if you were too lazy to spend the few seconds render time...
<p>It may render in only a few seconds, but it's still more convenient
to view
<br>it on the Web. It only takes a few seconds to download and display,
and to
<br>view it on the Web involves three mouse clicks and a few seconds of
time. To
<br>render it myself, on the other hand, involves
<p>* Painstakingly selecting all of the text and hitting ctrl-C to copy
<br>  it.
<br>* Opening a text editor and hitting ctrl-V to paste it.
<br>* Saving it to some .par filename or another in the fractint
<br>  directory.
<br>* Opening a DOS window, going to the fractint directory, and starting
<br>  fractint.
<br>* '@', f6, enter the par name, enter, enter.
<br>* Wait for it to render.
<p>This is a fairly long and tedious sequence of steps that cannot be
<br>automated. I much prefer three mouse clicks, especially as the download
is
<br>generally as fast on my 56k modem as the fastest FOTD renders at 1024x768.
<p>Usenet is even worse, of course:
<p>* Find abpf, if my ISP even carries binaries -- most don't. (If it
<br>  doesn't, find it on deja news, assuming they carry binaries...)
<br>* Find the messages with the FOTD, somewhere amid all the spam.
<br>* Download and view each message with a part of the fractal, and hope
<br>  they are all there. Paste them (careful to put them in order;
they
<br>  might have arrived on my news server out of order) in sequence
into
<br>  a file in a large-capacity text editor. Save it.
<br>* Search the Web for a uudecoder of some sort.
<br>* Scan the uudecoder for viruses, assuming I can even find one in this
<br>  day and age.
<br>* Assuming it proves free of infections, use it on the saved text,
<br>  thereby generating a gif.
<br>* Run an image viewer (or Fractint).
<br>* Open the gif.
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fractint"</blockquote>
</html>


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

Date: Fri, 8 Dec 2000 18:50:23 -0600
From: "Jonathan Osuch" <[e-mail]>
Subject: Re: (fractint) To: [e-mail]

> I'm trying to make a large (A0) size
> poster of a fractal.  However from what I can gather
> the larges fractal fractint can generate (with disk
> video mode) is 2048 x 2048 x 256 due to internal limits
> (says the documentation) but im gonna need better
> resolution to print a poster about 50cm by 75cm so I
> was just wondering if anybody had any ideas on the most
> accurate way of generating a large resolution fractal.

Oops!  The limit for disk video in version 20.0 is 32767x32767.  We forgot
to update the discussion about disk video modes.  I'll fix it in patch 5,
since I'm uploading patch 4 this evening.

If you use the latest developer's version, you can pick any disk video mode,
start the fractal, and then go to the <v> screen to set the resolution up to
the limit of 32767x32767.

Jonathan



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End of fractint-digest V1 #515
******************************