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This is the same type of Iso as the in my
"Spherical Splash" image:
news://news.povray.org/3AA41C10.55F23524%40hotmail.com
(Sorry, but no radiosity this time.)
Now I have rotated the pigment in the same
noisy way as the iso is rotated.
But I think that I could have achieved the
same effect for this shape if I had made
the colour of the pigment change as a
function of the distance from the sphere
centre (radially changing pigment colour ?).
Comments are welcome.
--
Best regards,
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
Attachments:
Download 'pigmentrot02.jpg' (51 KB)
Preview of image 'pigmentrot02.jpg'
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I like this one :-)
Alberto.
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JRG wrote:
>
> It's really cool.
Thank you !
> How you did it ? Pigment function?
The shape is done in MegaPOV by first randomly
displacing the surface of an iso-sphere with the
the noise3d() function, and then using 3 other
random functions to feed a general rotation
function with random angles so that it rotates
each point on the iso-surface randomly around
each of the x, y, and z -axes.
You may look at the source code that I posted
to povray.text.scene-files 10. March this year:
news://news.povray.org/3aa9fa11%40news.povray.org
news://news.povray.org/3AAA03E6.6ECB760B%40hotmail.com
The pigment is done with a pigment function
that are fed with the same rotated coordinates.
I can post the source for if anyone is interested.
> Waiting for the radiosity version (I couldn't appreciate the first one,
Uhhmmm... Unfortunately I only have access to my
private PC right now. And it's WAY too slow for
a radiosity version. (Maybe I'll do it on my
much faster PC at work when the easter is over.)
--
Best regards,
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
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Alberto wrote:
>
> I like this one :-)
I'm glad you do.
Thanks !
--
Best regards,
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
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Until now I've resisted the urge to use megapov. But this image has
converted me :)
It's gorgeous. Can you animate it?
--
Tek
http://www.evilsuperbrain.com
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Tek wrote:
>
> Until now I've resisted the urge to use megapov. But this image has
> converted me :)
Hehe. This sounds a lot like me. I managed to
resist the temptation to start using MegaPOV
from March to October last year :)
> It's gorgeous. Can you animate it?
Thank you !
Yes it can be animated; e.g. by slowly shifting
the origin of the rotation functions or the
first surface-displacement function. And maybe
it would be cool if the colors were cycled in
a "pulsing" way from the inside and out at the
same time.
But now I'm dreaming... I don't have a PC to
do such stuff here at the moment :(
--
Best regards,
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
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In article <3AD87920.DE49F9FF@hotmail.com>, Tor Olav Kristensen says...
>
> This is the same type of Iso as the in my
> "Spherical Splash" image:
>
> news://news.povray.org/3AA41C10.55F23524%40hotmail.com
>
> (Sorry, but no radiosity this time.)
>
> Now I have rotated the pigment in the same
> noisy way as the iso is rotated.
>
> But I think that I could have achieved the
> same effect for this shape if I had made
> the colour of the pigment change as a
> function of the distance from the sphere
> centre (radially changing pigment colour ?).
>
> Comments are welcome.
>
>
>
You did it again: very very real-looking, though i don't expect to see
it around ever! Very good :))
--
Regards, Sander
Post a reply to this message
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> Yes it can be animated; e.g. by slowly shifting
> the origin of the rotation functions or the
> first surface-displacement function. And maybe
> it would be cool if the colors were cycled in
> a "pulsing" way from the inside and out at the
> same time.
>
> But now I'm dreaming... I don't have a PC to
> do such stuff here at the moment :(
I don't know if you read povray.general, but I just upgraded my machine,
and want something to test it on. Fling me the source to my email, and
I'll have a go at rendering it and posty the resultant .mpg to p.b.a.
Bye for now,
Jamie.
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Sander wrote:
>...
> You did it again: very very real-looking, though i don't expect to see
> it around ever! Very good :))
Thanks again Sander !
Maybe it'll come to you in one of your dreams...
--
Goodnight from
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
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Jamie Davison wrote:
>
> > Yes it can be animated; e.g. by slowly shifting
> > the origin of the rotation functions or the
> > first surface-displacement function. And maybe
> > it would be cool if the colors were cycled in
> > a "pulsing" way from the inside and out at the
> > same time.
> >
> > But now I'm dreaming... I don't have a PC to
> > do such stuff here at the moment :(
>
> I don't know if you read povray.general, but I just upgraded my machine,
> and want something to test it on. Fling me the source to my email, and
> I'll have a go at rendering it and posty the resultant .mpg to p.b.a.
Thank you very much for your offer Jamie.
I've been out for a couple of beers,
so I'm not able to make POV-animations
at the moment =)
Now I'll have some sleep and then I'll
see of I can find time tomorrow to
refresh my animation skills and code
some animation of my iso-mess.
--
Best regards,
Tor Olav
mailto:tor### [at] hotmailcom
http://hjem.sol.no/t-o-k/tokpicts.html
http://www.crosswinds.net/~tok
Post a reply to this message
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