Nicolas Calimet wrote:

>> However, they use tricks like projecting the boundary of objects on
>> the viewport. Could that be done easily with POVRay?
> 
> Maybe the code for light buffers could help ? IIRC the lights
> are projected on each side of the bounding boxes, so something similar
> might be done for the viewport... (I never looked at this code).
>
AFAIK the light and vista buffers are made up of rectangles. 
But here, we would need the real object boundary, projected on the 
"film of the POV camera". 

Wolfgang

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