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Re: [cgal-discuss] removing triangle face


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  • From: Ben Supnik <>
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  • Subject: Re: [cgal-discuss] removing triangle face
  • Date: Wed, 15 Apr 2009 16:35:39 -0400

Hrm - I think that the triangulation has to cover an infinite plane (between finite faces and infinite faces). So you can't have a "hole" in the triangle mesh. (That was my understanding back in CGAL 3.0 at least. :-) You could attach a flag to your face data, allowing you to skip marked faces during iteration later.

The newer meshing data types may be better for removing "pars" of a mesh.

cheers
ben

skific wrote:
Hi,
I'm using CGAL::Delaunay_triangulation_2<Traits,Tds> to generate triangulation
mesh. I'd like to remove triangle faces based on predefined criteria, say I'd like to
remove triangles that are too "narrow" - one of three angles is say smaller
than 10°.
Is there a way to remove triangles (their faces) from the mesh, but without
removing vertices?
best regards,
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