CGAL users discussion list

[Josef Weinbub <>]

Got it, thank your very much.

wishes, 
Josef

On Wed, 2008-09-17 at 11:20 +0200, Camille Wormser wrote:
> > -- post processing the mesh --
> >
> > some kind of - "remove boundary triangles which insist of a
> > non-user-defined boundary edge" - post processing algorithm
> >
> > am I right here, or do I miss another possibility ?
> 
> Beware that inside triangles can have non user-defined boundary edges  
> too.
> 
> The best would be to orient the boundary, and keep only the triangles  
> which are on the left-handside (or right-handside...), by flooding the  
> domain.
> 
> >> In your case, your constraints bound a non convex domain, so you
> >> should expect this outer triangle.
> > tbh I didnt expect it, due to my previous experience with "triangle2D"
> > by J.R.Shewchuck and "tetgen", which is a 3d tetrahedron mesher, but
> > offers quite the same interface and behavior.
> 
> You should distinguish triangulating and meshing: triangulating does  
> just what I described. It is not always possible in 3D.
> 
> Meshing computes a mesh over a given domain (convex or not). This is  
> what you want. See the Mesh generation part of the manual. The next  
> release of CGAL will have a 3D mesh generation package as well.
> -- 
> Camille
>