[Gmsh] Reclassify 2D does not work

[Christophe Geuzaine]

On 04 Apr 2013, at 13:20, Martin Vymazal <martin.vymazal at vki.ac.be> wrote:

> Hello Christophe,
> 
> thank you for your quick reply. I guess I'll have to extract the boundary 
> elements outside of gmsh.
> 

We should probably provide a Plugin that does that: we currently do it for post-processing datasets, we should do it simply for meshes...

> Best regards,
> 
>   Martin Vymazal 
> 
> 
> On Thursday 04 April 2013 13:12:14 Christophe Geuzaine wrote:
>> Hi Martin,
>> 
>> The Reclassify tool is a tool to "reclassify" surface meshes; but there are
>> no surface elements (triangle or quads) in your mesh...
>> 
>> Christophe
>> 
>> On 04 Apr 2013, at 11:36, Martin Vymazal <martin.vymazal at vki.ac.be> wrote:
>>> Dear gmsh developers,
>>> 
>>> I have a 3D flat plate grid  downloaded from here:
>>> http://turbmodels.larc.nasa.gov/flatplate_grids.html (3D Plot3d grid, 2 x
>>> 545 x 385 points). I converted the grid to vtk and also split the
>>> hexahedra into tetra using paraview. I am not able to reclassify the
>>> surface of the geometry to create physical surfaces (to be able to set
>>> boundary conditions for my flow solver). The 'Reclassify' button in the
>>> Reclassify2D dialog always remains greyed out, no matter what I do. Is it
>>> a bug? If not, could you please tell me the settings you use to
>>> reclassify the surface?
>>> 
>>> Best regards,
>>> 
>>>  Martin
>>>  Vymazal<flatplate_clust2_tetra.vtk.gz><flatplate_clust2.vtk.gz>________
>>>  _______________________________________> 
>>> gmsh mailing list
>>> gmsh at geuz.org
>>> http://www.geuz.org/mailman/listinfo/gmsh
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine