"Bruno Cabasson" <bru### [at] alcatelaleniaspacefr> wrote:

> Hello!
>
> Your problem comes from the max_gradient parameter of your isosurfaces. You
> did not specify it, so POV-Ray uses the default which is 1.1. This is not
> enough. If you have a look at the "Messages" tab of the editor, you will
> see a warning for this purpose. Setting max_gradient to 3 seems to be OK.

Yes, that fixes it.  I had seen the warnings, but since everything looked OK
at the other camera angle, I had just been ignoring them.

> PS: Is radiosity necessary here?

I have no idea.  The scene looks pretty much how I like it, though.

Thank you, you were a big help!

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