CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

On Monday 12 April 2010 10:36:45 

 wrote:
> Hello.
> 
> I am trying to decimate a mesh with the edge_collapse function. The mesh
> have about 40000 vertices and 80000 faces, but it works extremly slow (40
> minutes). It is normal? I am working with too huge meshes for the library?
> or there are some way to optimize the decimation?

That is not normal at all. Have compiled your code using your compiler's 
optimizers, and with -DNDEBUG?

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