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[cgal-discuss] about Alpha_Shape


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  • From: Juan Carlos Lopez Alfonso <>
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  • Subject: [cgal-discuss] about Alpha_Shape
  • Date: Mon, 14 Nov 2011 13:56:32 +0100

Hi all,

There are any form to use 3D Alpha_Shapes with a general triangulation like Triangulation_3? because Delaunay triangulation or Regular triangulation move my points in order to obtain a linear approximation of the original shape and I need to have a triangulation from a fix set of points.

On the other hand, I have created a Delaunay Triangulation (Delaunay  dt;) from a set of points and when I try to create an alpha_shape (Alpha_shape_3 as(dt);) I have the following error:  CGAL::Assertion_exception !!!

Best regrads and thank in advance
Juan Carlos



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