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On 31 Aug 2000 12:28:07 -0400, Ron Parker wrote:
>On Thu, 31 Aug 2000 09:17:50 +0300, Peter Popov wrote:
>>On 30 Aug 2000 23:55:38 -0400, ron### [at] povray org (Ron Parker)
>>wrote:
>>
>>>>: The vista buffer is a 2-d representation of the locations of the objects in
>>>>: the scene, as seen from the camera.
>>>>
>>>> How does povray determine those 2D areas?
>>>
>>>By projecting the bounding boxes onto a sphere, I suspect. I've never looked.
I was wrong. It projects the bounding boxes onto the faces of a box. I
suspect it's done this way because planar polygons are easier to deal with.
--
Ron Parker http://www2.fwi.com/~parkerr/traces.html
My opinions. Mine. Not anyone else's.
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