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"Thomas de Groot" <t.d### [at] inter nlDOTnet> wrote:
>
> See my message with solution, lower down.... :-)
>
> Thomas
Yes, you were absolutely right! (Alain has mentioned the same, in other recent
posts.) *Had* to do some rigorous tests of my own, though, digging deep, just
to set my mind at ease. :-)
It's definitely a strange situation, adding that extra green sphere. It has to
be some kind of deeply-hidden bug. In the isosurface code? The object media
code? Some other mysterious thing??
Up until now, I had thought that max_trace and all_intersections only had an
effect when there was CSG with the isosurface. I guess that just ain't so! A
very useful discovery.
Ken W.
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"Kenneth" <kdw### [at] earthlinknet> schreef in bericht
news:web.47ed38cef97379d78dcad930@news.povray.org...
>
> Yes, you were absolutely right! (Alain has mentioned the same, in other
> recent
> posts.) *Had* to do some rigorous tests of my own, though, digging deep,
> just
> to set my mind at ease. :-)
>
> It's definitely a strange situation, adding that extra green sphere. It
> has to
> be some kind of deeply-hidden bug. In the isosurface code? The object
> media
> code? Some other mysterious thing??
>
> Up until now, I had thought that max_trace and all_intersections only had
> an
> effect when there was CSG with the isosurface. I guess that just ain't so!
> A
> very useful discovery.
>
Yes, it seems weird indeed. My first reaction was also that as there was no
use of the isosurface in a CSG, the max_trace could remain at its default
value. Either we misunderstand something (I wouldn't be surprised) or it is
a bug with the isosurface code. Maybe an expert could light our lantern...?
Thomas
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