Mathieu wrote:
> Ok for the pic, but please where is this listing of  books  (I have not
> found it in the pov documentation).

http://www.povray.org/documentation/view/304/

> My goal is just to know  what vector's
> names povray uses to consider (for examples): incident light, the traject
> from point of view to surface point...it's not difficult, but if nobody tell
> me what is exactly behind that names, how could I guess ?
> To sum-up I supose that :
> -Eye is the vector which travels from camera point of view to evaluated
> point.
> -*Light_Source_Ray.direction is the vector which travels from evaluated
> point to light position.
> -REye ?

You should tell which position in the source code exactly you are 
referring to.  Most vectors in the lighting calculation are normalized 
so they only indicate a direction.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 11 Jan. 2004 _____./\/^>_*_<^\/\.______

Post a reply to this message