Have a look at:
https://github.com/tpaviot/pythonocc/blob/master/src/addons/MSH/Mesh.py

Thomas

2011/11/22 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be>

> Hi Thomas, thanks for your quick reply. By a surface mesh I mean a mesh of
> the surface of the shape (which is actually a volume with some holes).  The
> simple_mesh.py example seems to be what I need. I could extend the example
> to get the coordinates of the vertices of the triangulation. Where can I
> find information about the internals of the BRepMesh_Mesh function?
>
>
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>   1. creating a surface mesh of a TopoDS_Shape (Engelbert Tijskens)
>   2. Re: creating a surface mesh of a TopoDS_Shape (Thomas Paviot)
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> Message: 1
> Date: Mon, 21 Nov 2011 20:09:59 +0100
> From: Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be>
> Subject: [Pythonocc-users] creating a surface mesh of a TopoDS_Shape
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> I need to make a surface mesh from TopoDS_Shape objects which I could
> extract from step files using pythonocc with relatively little effort :-).
> I was hoping to create surface meshes from those objects with a little more
> effort. Can someone give some hints where to start? I took a look at
>  pythonOCC\0.5\examples\Level1\SMESH but I find not enough explanation to
> become productive...
>
> Dr Bert Tijskens
> Industrial research manager
> DEM Research Group
> Dept Biosystems, Div. MeBioS, K.U.Leuven
>
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> Message: 2
> Date: Mon, 21 Nov 2011 22:42:00 +0100
> From: Thomas Paviot <tpav...@gmail.com>
> Subject: Re: [Pythonocc-users] creating a surface mesh of a
>        TopoDS_Shape
> To: "pythonOCC users mailing list." <pythonocc-users@gna.org>
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>
> 2011/11/21 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be>
>
> > I need to make a surface mesh from TopoDS_Shape objects which I could
> > extract from step files using pythonocc with relatively little effort
> :-).
> > I was hoping to create surface meshes from those objects with a little
> > more effort. Can someone give some hints where to start? I took a look
> > at  pythonOCC\0.5\examples\Level1\SMESH but I find not enough
> > explanation to become productive?****
> >
> > ** **
> >
> > Dr Bert Tijskens****
> >
> > Industrial research manager****
> >
> > DEM Research Group****
> >
> > Dept Biosystems, Div. MeBioS, K.U.Leuven****
> >
> >
> >
> Hi Bert,
>
> What is exactly your need?  I'm not sure I clearly understand what you
> described. What do you call a "surface mesh"? If your need it to import a
> STEP file, convert it to a TopoDS_Shape and then mesh this shape in order
> to get vertices/vertex index/faces, it is possible with blending the
> SETPImport samples and the src/examples/Level1/Mesh/simple_mesh.py example.
> You should have a look at the latter.
>
> Please feel free to post here a sample STEP file as well as the python
> source code.
>
> Regards,
>
> Thomas
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