[Gmsh] Setting quality mesh options and Tetgen usage with API

Christophe Geuzaine cgeuzaine at ulg.ac.be
Tue Feb 24 09:18:19 CET 2015

> On 23 Feb 2015, at 23:51, Sacconi, Andrea <a.sacconi11 at imperial.ac.uk> wrote:
> Hi everyone,
> I would like to ask you a question about quality mesh options and the API.
> My geometry is given by a rectangular cuboid which has a spherical hole inside. I generated it and meshed it, but with my surprise some dihedral angles are very small (like 2, 3, 4 degrees).
> I was wondering, how can I tweak quality mesh options directly within the API, since I am using gmsh classes within my C++ code? For example, using Tetgen and so on? I know that in the graphical interface you can choose "Optimize 3D", "Optimize with Tetgen", it would be helpful to do it in C++ as well!
> Something like: GmshSetOption (.......). I couldn't find anything in the documentation :(

Try: GmshSetOption("Mesh", "Optimize", 1.0);

> Cheers,
> Andrea
> __________________________________________________________
> Andrea Sacconi
> PhD student, Applied Mathematics
> AMMP Section, Department of Mathematics, Imperial College London,
> London SW7 2AZ, UK
> a.sacconi11 at imperial.ac.uk
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

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