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Tom Melly <tom### [at] tomandlu couk> wrote:
: seems to produce the exact same pattern - still, at this resolution who
: knows? ... ;).
I suppose that the difference would probably be seen in the exterior
coloring if you color according to number of iterations until bailout
(ie. as usual).
Since you are not examining whether |Z|>2 but instead |Z^2|>2 it probably
has a drastical effect in the exterior coloring.
I wouldn't be suprised if the fractal itself was a bit deformed because
of this (mainly because your bailout value of 2 might be too low in this
case). Anyways, I would say that to be sure, make Z=Z^2+c first and then
compare.
: Thinking about it, it's not that surprising. A tendancy towards infinity
: will show up in either case
Right, but I'm only worried about the bailout value. If you used a larger
value (presumably 4^2 = 8) then there may not be any problem (except perhaps
a different exterior coloring).
--
char*i="b[7FK@`3NB6>B:b3O6>:B:b3O6><`3:;8:6f733:>::b?7B>:>^B>C73;S1";
main(_,c,m){for(m=32;c=*i++-49;c&m?puts(""):m)for(_=(
c/4)&7;putchar(m),_--?m:(_=(1<<(c&3))-1,(m^=3)&3););} /*- Warp -*/
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"Warp" <war### [at] tagpovrayorg> wrote in message
news:3a6f2b24@news.povray.org...
<SNIP>
As you may have gathered I zoomed in using the both the correct and
incorrect code and saw distinct differences. The incorrect one also looked
less complex, but I wouldn't swear on that.
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Warp wrote:
: n/30
What exactly was this doing at the bottom--does it close the while next loop
:Perhaps shaders are the answer?
Did I forget to RFTM, or doesn't povray lack these?
> char*i="b[7FK@`3NB6>B:b3O6>:B:b3O6><`3:;8:6f733:>::b?7B>:>^B>C73;S1";
> main(_,c,m){for(m=32;c=*i++-49;c&m?puts(""):m)for(_=(
> c/4)&7;putchar(m),_--?m:(_=(1<<(c&3))-1,(m^=3)&3););} /*- Warp -*/
Could we have the povray-screen-language- compilable version of this?
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How about:
#FFDDCC
#FFCF66
or something similar.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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On Wed, 24 Jan 2001 16:26:17 -0500 Greg M. Johnson wrote:
>:Perhaps shaders are the answer?
>Did I forget to RFTM, or doesn't povray lack these?
Hi, Greg. There's an unofficial version called POVMan, written by
Vahur Krouverk that supports Renderman-like shaders at:
http://www.aetec.ee/fv/vkhomep.nsf/pages/povman2
--
Alan - ako### [at] povrayorg - a k o n g <at> p o v r a y <dot> o r g
http://www.povray.org - Home of the Persistence of Vision Ray Tracer
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Greg M. Johnson <gre### [at] my-dejanewscom> wrote:
: : n/30
: What exactly was this doing at the bottom--does it close the while next loop
That's the result of the function. I mean, it's the function itself.
That is, as if we just had wrote:
#declare Mandel = function { n/30 }
Everything before that is just precalculation that is not part of the
function itself.
: Could we have the povray-screen-language- compilable version of this?
Perhaps if I have the time and motivation to "port" it to povray :)
--
char*i="b[7FK@`3NB6>B:b3O6>:B:b3O6><`3:;8:6f733:>::b?7B>:>^B>C73;S1";
main(_,c,m){for(m=32;c=*i++-49;c&m?puts(""):m)for(_=(
c/4)&7;putchar(m),_--?m:(_=(1<<(c&3))-1,(m^=3)&3););} /*- Warp -*/
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