Hello, Thank you for your prompt responses. I must admit I had narrowed down my options to either using physical groups, or find a way to use 'NodeData', but the former seems to be popular and intuitive. I will go ahead and implement that to see if it serves the needful.
Thanks again! Regards, Aditya K On Tue, Jun 20, 2017 at 2:04 AM, DILASSER Guillaume < [email protected]> wrote: > Hi Aditya, > > > > The enclosed file shows how you can generate post-processing datasets > directly from within Gmsh and save them into a .msh file. Basically, it > uses the following steps : > > · Create a geometry and mesh it. > > · Generate a new post processing view on that geometry, > containing the values to assign to each node. Here for the example I use > the MathEval Plugin to compute the distance from each node to the origin. > Here you will probably have to dig into Gmsh Plugins to find which are > useful in your case. > > · Save the post-processing view within a mesh-oriented .pos file > (renamed with a .msh extension). > > You can run this example from the command line with *gmsh example1.geo -2* > (*-0* should also work). In any case, it should output a NodeData.msh > file that contains the meshed geometry along with a node-based > post-processing view. > > > > However, on a more fundamental level, if you aim is simply to “mark” > specific nodes of the mesh for whatever reason, why not defining Physical > Entities > <http://gmsh.info/doc/texinfo/gmsh.html#Elementary-vs-physical-entities> > instead of using a post-processing view ? That would be much easier… > > > > Hoping this helps, let me know if your still have questions. > > > > Sincerely Yours, > > > > Guillaume DILASSER > > Doctorant SACM / LEAS > > CEA - Centre de Saclay - Bât.123 - PC 319c > > 91191 Gif sur Yvette Cedex - France - > > > > [email protected] > > > > > > > > *De :* gmsh [mailto:[email protected]] *De la part > de* Aditya Kommajosula > *Envoyé :* lundi 19 juin 2017 23:08 > *À :* [email protected] > *Objet :* [Gmsh] Writing node-data from ".geo" file > > > > Hello, > > > > I was wondering if it is possible to write node-data to a ".msh" file from > within the ".geo" file. All the examples from the documentation seem to > explain the format of a ".msh" file containing node-data, but I would like > gmsh to write out node-data (if possible) to the ".msh" file it generates > (I need this to place "markers" on specific boundary nodes) > > > > Thank you! > > > > Regards > -- *Aditya Kommajosula* *Graduate Research Assistant, Lab of Mechanics* *Mechanical Engineering, Iowa State University* *([email protected] <[email protected]>)*
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