[Gmsh] Triangles in .msh file

[mianzhi]

Sorry, I mean triangles by Tri..
Mianzhi


On 2011年05月04日 22:53, Gmsh User wrote:
> mianzhi<wangmianzhi1 at ...>  writes:
>
>> Hello,
>> Hopefully my answer would be helpful.
>> 1. All Tri.s are on the boundary.
>> 2. The 2nd "tag" of each Tri., the "geometric entity", tells you which
>> boundary surface the Tri. belongs to.
>> (find "number-of-tags" on this page
>> http://geuz.org/gmsh/doc/texinfo/gmsh.html )
>> 3. You may see the "geometric entity index" of all boundary surfaces in
>> gui of gmsh via enabling "Tools/Options/Geometry/Surface numbers".
>>
>> Mianzhi
>
> I think I am not understanding what you meant my Tri.s . Is this an operator or
> something?
>
> Could you clarify what you meant by that?
>
> Just to give you more info about what I am actually doing, after I finish
> meshing a geometry, I save the mesh in .msh file format and export it to MATLAB.
> This is the only file I have, and this file clearly contains nodal numbers and
> coordinates of bunch of triangles along with that of points, lines and
> tetrahedrons. I need nodal numbers and coordinates of SURFACE TRIANGLES ONLY,
> and my question was whether the triangles appearing in .msh file are indeed the
> SURFACE TRIANGLES ONLY.
>
> I am sorry if this is what you meant, but a clarification would certainly help.
>
> Thanks for replying!
>
> ~Gmsh User
>
>
>
>
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