SSSUTM wrote:
> I want to be able to render each pixel in a Povray coordinates individually.

This is the wrong group, this group is for discussing the POV-Ray source 
code.

Choose either povray.general, povray.newusers or povray.advanced-users 
for such threads.

> For example, I want the pixel at coordinate <20,20,20> to be red, the
> coordinates at <20,20,21> to be blue. 

A pixel is an entity in a 2D image - something you address with a 3D 
vector can't be a pixel.  See:

http://www.imagico.de/pov/ray_newbies.html

For another take on 'What is a pixel?' see:

http://intl.ieeexplore.ieee.org/xpl/freeabs_all.jsp?isnumber=32338&arnumber=1510545&count=16&index=13

;-)

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 07 Oct. 2005)
MegaPOV with mechanics simulation: http://megapov.inetart.net/

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