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On Wed, 08 Jul 1998 11:53:51 -0700, K. Tyler <tyl### [at] pacbell net> wrote:
>I recieved the folloing fatal error message after a 50%
>render
>
>> ERROR too many nested refracting objects in scene.
>For the record the word refraction appears no where in the scene.
>By changing the while declare statements to reduce the overall
>object count the error goes away But I need the scene as is or the
>smoothness of my intended object dissapears.
>Any clue people.
for the record, the word refraction is now entirely optional. The presence
of an ior that is not 1 turns on refraction for that object.
The problem is that POV must keep a "stack" of objects and their iors in
order to know what ior it is returning to when it exits an object. This
stack has a finite size (in POV 3.02, it was 100 objects) and you're
overrunning it. If you union a bunch of glass spheres, for example, you
may be "inside" over a hundred objects, in which case you'll have this
problem.
I haven't seen the scene, so my advice may be useless, but is this a case
where you could use merge instead of union?
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