Thomas Willhalm wrote:
> 
> It seems like there is a problem with scaling isosurfaces. Your scene
> produces the same result with a sphere and a isosurface, if you modify
> the isosurface like this:
> 
>         isosurface {
>                 function { sqrt(x*x/36+y*y/9+z*z/9) -1 }
>                 threshold 0
>                 bounded_by { sphere { 0, 6.1 } }
>                 max_trace 10
>                 translate <-2,0,2>
>                 texture { T_Text }
>         }

Thanks. It works fine (but the rendering is longer...)
I've already used scaled isosurfaces, it worked well, but they were not
involved in CSG...
Look at OMNIVERSE's solution. It works as well (and that's strange...).
Maybe it will help you to find the bug (if you want to).


Bouf.

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