CGAL users discussion list

["Laurent Rineau (CGAL/GeometryFactory)" <>]

Le vendredi 29 mars 2013 05:09:51 

 a écrit :
> Hi,
> 
> I have a 2D Constrained Triangulation (CT), and I define a bigger
> neighborhood around this CT and I intend to mesh (CDT) this full domain
> excluding the original sub-domain of CT. For example consider I have a
> circle of a smaller radius as CT, and I define a bigger neighborhood by a
> circle of larger radius centered on the CT's center. And I need to mesh
> this without changing the faces inside original CT (smaller circle).

Can you show us a picture of what you as input of the 2D mesher? That would 
help. I have not managed to understand your explanation (though it seems 
complete).

> I looked at the previous similar queries and one that is very similar is -
> http://cgal-discuss.949826.n4.nabble.com/Precondition-Violation-in-Mesh-
Refinement-2-Package-td1585855.html
> 
> I was thinking since its quite some time, so the version 4.0.2 should
> already
> have some patch.

I confirm that the patch was shipped in CGAL-3.6.1 and CGAL-3.7, and later 
versions.

-- 
Laurent Rineau, PhD
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
Release Manager of the CGAL Project       http://www.cgal.org/