CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

On Wednesday 01 December 2010 22:00:45 Dominik Szczerba wrote:
> Hi
> 
> I need to impose LOWER bound on element size. According to the latest
> documentaiton:
> 
> the radius bound: This parameter controls the size (edge length) of
> mesh cells. Actually, it is an upper bound on the circumradii of the
> mesh tetrahedra.
> 
> I can only provide the UPPER bound. However, in my cases, the smallest
> generated element is 10 orders of magnitude smaller than the biggest
> one, resulting in numerical precision problems in subsequent
> computations.
> 
> Is there a way to specify the SMALLEST allowed element size or
> otherwise control its size?

My guess is that you are talking about one of the mesh generators of CGAL.

Anyway, both the 2D-, surface-,or 3D- mesh generators of CGAL work the same 
way: you cannot specify a lower bound on the elements sizes.

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