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"Paul Vanukoff" wrote:
> These are all cool.
Thanks!
> I'm pretty sure I could recreate #1 and #4, but how did
> you do #2 and #3 ... ?
The same technique is used for all the images. Only the patterns used are
different. I have now uploaded the source code to
http://rsj.mobilixnet.dk/3d/goodies/goodies.html
Greetings,
Rune
--
Updated July 10: http://rsj.mobilixnet.dk
3D images, include files, stereograms, tutorials,
The POV Desktop Theme, The POV-Ray Logo Contest,
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"Christoph Hormann" wrote:
> Looks good,
Thanks!
> some changes and the last one would be good for
> a ice-free line on a frozen water...
Thanks, that comment inspired me to make the color version!
> do they use average or pigment_map ?
average no, pigment_map yes.
Source code at
http://rsj.mobilixnet.dk/3d/goodies/goodies.html
Greetings,
Rune
--
Updated July 10: http://rsj.mobilixnet.dk
3D images, include files, stereograms, tutorials,
The POV Desktop Theme, The POV-Ray Logo Contest,
music, 350+ raytracing jokes, and much more!
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"Tony[B]" wrote:
> This just goes to show how powerful POV's patterns are. :)
Yes, and that although patched versions of POV-Ray are great, there are
still lots of things to explore within official POV-Ray! :-)
> Cool stuff, Rune.
Thanks!
Rune
--
Updated July 10: http://rsj.mobilixnet.dk
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"Bob Hughes" wrote:
> All very good examples of pattern possibilities.
Thanks!
> Any while loops used?
Yep!
Source code at
http://rsj.mobilixnet.dk/3d/goodies/goodies.html
Greetings,
Rune
--
Updated July 10: http://rsj.mobilixnet.dk
3D images, include files, stereograms, tutorials,
The POV Desktop Theme, The POV-Ray Logo Contest,
music, 350+ raytracing jokes, and much more!
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"Joshua English" wrote:
> Another gauntlet thrown down... and I was hoping to have
> a reason not to clean out my closet... Very nice. Very
> challenging.
Ok, *don't* look at the web page where the source code is!
- that will just ruin your fun I suppose. ;-)
> Now I have to experiment. I can see the basic patterns,
> but only one pattern and only one map? I can't think of
> controlling turbulence that well....
Turbulence is not the trick. Pigment_map is. And a while loop inside it...
I've said too much already... Just don't look at that page...!
Greetings,
Rune
--
Updated July 10: http://rsj.mobilixnet.dk
3D images, include files, stereograms, tutorials,
The POV Desktop Theme, The POV-Ray Logo Contest,
music, 350+ raytracing jokes, and much more!
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The first one looks like a partially frozen river.
--
David Fontaine <dav### [at] faricy net> ICQ 55354965
Please visit my website: http://www.faricy.net/~davidf/
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Perhaps a future version will allow us to write the `icy river' effect
like this:
pigment
{
marble
pigment_map
{
[ 0 Blue ]
[crackle Blue]
[crackle White]
[ 1 White]
}
}
i.e. Blue if marble<crackle, White otherwise.
--
Anton Sherwood -- br0### [at] p0b0xcom -- http://ogre.nu/
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In article <3982560A.DA0A96EA@pobox.com>, Anton Sherwood
<bro### [at] poboxcom> wrote:
> Perhaps a future version will allow us to write the `icy river' effect
> like this:
>
> pigment
> {
> marble
> pigment_map
> {
> [ 0 Blue ]
> [crackle Blue]
> [crackle White]
> [ 1 White]
> }
> }
Using a pattern as a value in a blend map? Hmm...interesting idea, but I
think it would be more useful to specify a min and max range for the
pattern, something like this:
pigment {marble
pigment_map {
[0 Blue]
[pattern {crackle range 0.5, 0.8} Blue]
[pattern {crackle range 0.8, 1} White]
[1 White]
}
}
This might be possible to do, but I don't know how easy it would
be...and it would make blend maps dependant on position, so the values
would have to be recalculated for every evaluation.
BTW, I think this pattern {} syntax would also be useful in other
places, it should be allowed anywhere patterns are used. For one thing,
it would fix the problem of scaling a normal pattern without scaling the
normal in the new normal calculation method used in MegaPOV. And it
would also be useful if patterns could be declared...
--
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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