[Gmsh] Error Remeshing STL to Generate QUADs/HEXAs

[Ted Kord]

Ah, I see. I'll look into that.

Thanks

Ted

On 28 November 2010 10:31, Jean-Francois Remacle <
jean-francois.remacle at uclouvain.be> wrote:

>
> Le 27 nov. 2010 à 18:13, Ted Kord a écrit :
>
> Thanks David. The remeshing worked but there were still a few
> triangles/tetras. How do I convert these to quads/hexas?
>
>
> the new full quad algo is only available if you compile gmsh with
> concorde, http://www.tsp.gatech.edu/concorde/downloads/downloads.htm
>
> Ted
>
>
> On 27 November 2010 13:51, David Colignon <David.Colignon at ulg.ac.be>wrote:
>
>> Hi,
>>
>> read carefully the output:
>>
>> ...
>> ...
>>
>>  Info    : Done creating topology from mesh (0.799456 s)
>>  Error   : 'Offset_mesh.geo', line 9 : syntax error (Recombine)
>> ...
>> ...
>>
>>
>> you forgot the ";" after Mesh.RemeshAlgorithm=1
>> so you get a syntax error on the next line: Recombine...
>>
>> Regards,
>>
>> Dave
>>
>> --
>> David Colignon, Ph.D.
>> Collaborateur Logistique du F.R.S.-FNRS
>> CÉCI - Consortium des Équipements de Calcul Intensif
>> ACE - Applied & Computational Electromagnetics
>> Institut Montefiore B28
>> Université de Liège
>> 4000 Liège - BELGIQUE
>> Tél: +32 (0)4 366 37 32
>> Fax: +32 (0)4 366 29 10
>> WWW:    http://hpc.montefiore.ulg.ac.be/
>> Agenda:
>> http://www.google.com/calendar/embed?src=david.colignon%40gmail.com
>>
>>
>> On 26/11/10 23:06, Ted Kord wrote:
>>
>>> I tried used the following geo file to remesh my STL file using
>>> quads/hexas:
>>>
>>> Mesh.CharacteristicLengthFactor=0.25;
>>> Merge "mesh.stl";
>>> CreateTopology;
>>>
>>> Compound Surface(200)={1};
>>>
>>> Mesh.RemeshAlgorithm=1
>>>
>>> Recombine Surface {200};
>>> Physical Surface("newSurfaceMesh")={200};
>>>
>>> but I get this error even after adding 'Mesh.RemeshAlgorithm=1':
>>>
>>> ./gmsh Offset_mesh.geo -3
>>> Info    : Running './gmsh Offset_mesh.geo -3' [1 node(s), max. 1
>>> thread(s)]
>>> Info    : Started on Fri Nov 26 21:53:02 2010
>>> Info    : Reading 'Offset_mesh.geo'...
>>> Info    : Reading 'mesh.stl'...
>>> Info    : 68764 facets in solid 0
>>> Info    : Done reading 'mesh.stl'
>>> Info    : Creating topology from mesh...
>>> Info    : Removing duplicate mesh vertices...
>>> Info    : No duplicate vertices found
>>> Info    : Done creating topology from mesh (0.799456 s)
>>> Error   : 'Offset_mesh.geo', line 9 : syntax error (Recombine)
>>> Info    : Done reading 'Offset_mesh.geo'
>>> Info    : Meshing 1D...
>>> Info    : Done meshing 1D (0 s)
>>> Info    : Meshing 2D...
>>> Info    : Meshing surface 200 (Compound surface, MeshAdapt)
>>> Warning : Wrong topology: Genus=1, Nb boundaries=0, AR=1
>>> Error   : For remeshing your geometry, you should enable the automatic
>>> remeshing algorithm.
>>> Error   : Add 'Mesh.RemeshAlgorithm=1;' in your geo file or through the
>>> Fltk window
>>>
>>>
>>> Ted
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> gmsh mailing list
>>> gmsh at geuz.org
>>> http://www.geuz.org/mailman/listinfo/gmsh
>>>
>>
>>
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> Prof. Jean-Francois Remacle
> Universite catholique de Louvain (UCL)
> Ecole Polytechnique de Louvain (EPL) - Louvain School of Engineering
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