Tek wrote:
> 
> I've been messing around with the crackle pigment, and got a couple of good
> effects :)
> 
> The first one's an iso surface that looks a bit like a city. It looks more
> city-like from a low camera angle, but I did this orthographic view to use a s a
> desktop backdrop :) BTW, this one took nearly 24 hours to render!! I'm gonna
> have to find a way to speed it up.

You will always have serious problems with such infinite gradient
functions.  There are no strongly visible artefacts at this scale, but in
a more detailed view you will surely see them.

Using conventional objects instead, preferably meshes, would be much more
efficient.

See for example:

http://www.interq.or.jp/blue/kawashu/include/i04.html

http://news.povray.org/povray.binaries.images/12339/

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 21 Feb. 2002 _____./\/^>_*_<^\/\.______

Post a reply to this message