Mathias wrote:
> 
> I have to find out how POV Ray calculate a ray. E.G. If i have a box or an
> other object and i give them a light source: How can i find out what parts
> of the C-Files are in use to calculate this process ? How reflect the
> program this ray ? If u have any ideas how to start this difficult task
> please write back..... Thanxs so far.

	I think ... 

	Take a point on the film, shoot it through the pinhole, see what it
hits, calculate what is where it hits and what effects what it hits then
what it passes through on the way back if applicable. 

-- 
As Norman Finkelstein's mother asks, "If all of these
people are survivors, who did they kill?"
	-- The Iron Webmaster, 56

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