> As I understand it, the plan is not to explicitly convert to Bezier patches -
> the idea is that if we use the isocurves defined by the knots we'll have a
> grid in UV space, and the "patches" within the knots should have Bezier-like
> behavior - the intersection test then reduces to isocurves vs. surfaces,
> without (hopefully) needing to get the explicit Bezier patches.
> Wu, did I say that correctly?
Yes, you are right. We just using isocurves - to make use of the property from
a paper that overlap regions should be bounded by part of the Bezier patches.
No need to convert to Bezier patches explicitly.
Cheers!
Wu
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