Re: [brlcad-devel] About surface-surface intersections - thecurrentstatus and a question

2013-07-17 Thread Clifford Yapp
On Wed, Jul 17, 2013 at 11:47 AM, phoenix <284281...@qq.com> wrote: > > But remember you have another challenge for something like that - > recognizing when a curve-surface intersection is not actually part of the > outer loop but is instead an "inner" curve segment. One approach might be > to mai

Re: [brlcad-devel] About surface-surface intersections - thecurrentstatus and a question

2013-07-17 Thread phoenix
> But remember you have another challenge for something like that - recognizing > when a curve-surface intersection is not actually part of the outer loop but > is instead an "inner" curve segment. One approach might be to maintain a 2D > "grid" of unit squares that maps to the Bezier patches a