[Gmsh] gmsh and Plot3d interactions

[Christophe Geuzaine]

> On 26 Nov 2020, at 20:00, Miroslav Grulovic <miro_grulovic at yahoo.com> wrote:
> 
> Hello there
> 
> Ia am involved in little project using NASA PMARC14 software, and recently noticed some Plot3D capabilities which are aso build in GMSH. However I have noticed that GMSH  ( version 4.5.6 ) perfectly read p3d files and exporting them to NASTRAN format bdf, but when tried to convert very same file back to Plot3D format, error message pops up .
> Error reads  " Warning : No structured grid to save " and creates empty p3d file.
> Appears that software does not recognizes its own routine so please advise, do I am doing something wrong or software is not capable of such as transformation.
> 

Indeed, currently when we read structured meshes we import them as general unstructured grids. The P3D reader could be changed to keep track of the structured information. Maybe open an issue on the gitlab to keep track of this feature request?

Christophe


> Cheers thanks for response and stay safe.
> 
> 
> Miro  
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://people.montefiore.ulg.ac.be/geuzaine