[Gmsh] Mesh/Simplex.ccp

[Christophe Geuzaine]

Colignon David wrote:
> Hi,
> 
> you should download the sources of gmsh :
> 
> http://www.geuz.org/gmsh/src/gmsh-1.60.1-source.tgz
> 
> but I attach the file.
> 

I've added a small explanation in the FAQ:

* 5.14 What is the signification of Rho, Eta and Gamma in
Tools->Statistics?

They measure the quality of the tetrahedra in a mesh:

Rho ~ min_edge_length / max_edge_length
Eta ~ volume^(2/3) / sum_edge_length2
Gamma ~ volume / sum_face_area / max_edge_length

For the exact definitions, look at Mesh/Element.cpp and
Mesh/Simplex.cpp.

Take care,

Christophe

> Cheers,
> 
> Dave
> 
> 
> 
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-- 
Christophe Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org