> Does that seem to make sense? Need to consider some other cases, like
> a sphere sitting "on top of" a torus - there will be a circular
> intersection curve there, but zero volume - how do we recognize
> that...
Yes, it does make sense. As for the case above, for a tours, only one circular
intersection curve cannot divide the torus' surface into two parts, so I hope
it won't cause much problem. I will try this and find out whether it works...
As for splitting a surface using the intersection curves, it still needs some
consideration. There are several different cases. But it's the first step
before we do the rest. Creating several trimming NURBS surfaces from the
original one (splitting) is the first thing I need to focus on now. Does it
make sense?
Cheers!
Wu
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