> I don't recognise that version of PovRay. Is it possible that you're
> using something like MegaPov? That might be significant.

Yes, sorry, I use MegaPov 1.2.1

> It's also possible that the way you've clumped the triangles into
> objects happens to interfere with the automatic bounding process, and
> leads to less efficient bounding. E.g. if your "objects" were generated
> by choosing 100 random triangles from the set of 5000, then each object
> would have its own bounding octree that spanned the whole scene.

The scene contains several .DXF objects transformed to mesh2. Every object
is a mesh2 structure, with different number of triangles each one.

> The stats suggest that the two renders are not exactly equivalent. One
> of them has a few rays that get totally internally reflected, and the
> other one doesn't. That might be because your objects have a different
> "inside" than the individual triangles that compose them. Or it might be
> because there's something else slightly different in your scenes that
> you're not telling us about.

The two scenes should be identical, changing only the way the geometry is
constructed, in one way with objects and the other with triangles.

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