[Gmsh] Postprocessing view with triangles indices instead of coordinates ?

[Christophe Geuzaine]

> On 26 Nov 2014, at 11:07, gilles quemener <quemener at lpccaen.in2p3.fr> wrote:
> 
> Hello,
> 
> Currently I am using, in an external program, some GMSH/GETDP postprocessing views of a
> scalar field calculated on linear elements. The .pos file contains lines like the following:
> 
> ST(0,0.9,0,0.2666666666660086,0.9,0,0,1.3,0){3.194654609503308,3.099105137740456,3.009640920970774};
> 
> with the x,y,z coordinates of the 3 triangle corners between the parenthesis and the associated scalar potential 
> between the brackets. Is there a function or a method to obtain something like:
> 
> ST(corner1ID, corner2ID, corner3ID){scalar_at_corner1, scalar_at_corner2, scalar_at_corner3};
> 
> where corner1ID, etc ... are the points indices contained in the mesh file of the problem ?
> 

Sure - Use the "-v2" option with GetDP : it will create new mesh-based .pos files.



> Thanks for any help,
> 
>              Gilles 
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> Gilles Quéméner
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine