hi,

clipka <ano### [at] anonymousorg> wrote:
> > the effect I'm after is that the additive effect of the differently coloured
> > media when intersecting should reveal the outline of the "hidden" objects
> > through the colour change(s).
> Did you try using one `difference` and one `intersection` of the
> container objects in question, with different media?

no, not yet, the problem occurred with my first test trying.

> Or you could use one `merge` of the objects with the normal media "A",
> and one `intersection` with a media "B-A" (IIRC you can have negative
> emission, absorption or even scattering).

wrt the CSG.  I need to sit down and digest all this, my naive original plan was
a simple animation involving more than one object moving, and the apparent need
to use CSG is .. a road block.  (it's becoming very complex, all of a sudden)
:-)


regards, jr.

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