[Gmsh] Imported stl mesh size control

[Christophe Geuzaine]

Ashton Peters wrote:
>> Hi Ashton - The case of STL files is a bit special: since there is no 
>> CAD, Gmsh infers the size of the elements inside from the size of the 
>> elements on the boundary. To disable this, use
>>
>> Mesh.CharacteristicLengthExtendFromBoundary = 0;
>>
>> Then you can fix the size inside using the usual options, e.g.:
>>
>> Mesh.CharacteristicLengthMax = the_max_elem_size_you_want;
> 
> Thanks for the reply. What you suggested partially works for me - now 
> the size of the interior elements can be controlled. The size of the 
> surface elements remains the same as the stl though. What I want to do 
> is control the size of all elements, including the surface 
> triangulation. Does Gmsh have the ability to 'remesh' the surface of an 
> stl before filling in the 3D volume with tets?

No, the current version does not support surface remeshing.


> 
> Regards,
> 
> Ashton
> 
> 


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine