Erhard Ducke wrote:
> Hi!
> Is it possible to show different image_maps on an object depending on the
> quantity of light that falls on a part of the object?
> Background:
> The earth should show a night bitmap (with city lights) on the night side
> and another bitmap on the side that is hit by the sunlight...

If you really need to have a different pigment on lit and shadowed parts 
of the scene you can use the shadow_pigment feature from Mlpov.  For the 
earth (light source far away, no shadows) a slope or gradient pattern 
based pigment would suffice.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 25 Oct. 2003 _____./\/^>_*_<^\/\.______

Post a reply to this message