[Gmsh] python API image dimension

[Christophe Geuzaine]

> On 30 Sep 2019, at 08:55, andre bianchessi <andrebianchessi at googlemail.com> wrote:
> 
> Hi!
> 
> I need to export .msh files to images using the python API.
> My script looks like this:
> 
> gmsh.initialize()
> gmsh.fltk.initialize()
> gmsh.open('domainMesh_0.msh')
> gmsh.write('domainMesh_0.png')
> gmsh.fltk.wait(0.01)
> gmsh.finalize()
> 
> 1) How can I change the png's resolution ?

gmsh.option.setNumber('Print.Width', 200)


> 2) Is it possible to export the image without opening the GUI?
> 

No. (Well, actually yes, using OSMesa, but you need to recompile Gmsh for this (cmake -DENABLE_OSMESA=1), and it hasn't been tested in a while...)

Christophe

> Thank you,
> 
> -- 
> André Bianchessi
> Mechatronics Engineering Student at University of São Paulo
> +55 11 997667070
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine