On Tue, 30 Mar 2004 14:39:06 -0800, Chambers wrote:


> 
> It's especially odd because other non-viewable objects, such as cylinders
> and spheres with radii of 0 or even negative numbers, don't even generate
> warnings.  Perhaps its something with how the cylinder is processed
> internally, that is, what is the function for a cylinder?  It might be
> something that just chokes when the two points are the same.

I think that's the case. My theory is this. A cylinder with both points
equal is a disc, or to put it another way, the intersection of a sphere
and a plane. However, pov-ray doesn't (can't) know what the plane would
be, thus it's ambiguous.

Post a reply to this message