[Gmsh] STEP and changing characteristic length

Christophe Geuzaine cgeuzaine at ulg.ac.be
Fri Nov 9 15:35:03 CET 2007

Constanze Bausch wrote:
> Hello dear Gmsh-Users and Developers!
> I would be very happy, if anyone could tell me, if it´s possible to 
> change the mesh size when using a STEP format file.
> And if it is, how can I do this?

There are several. You can do it globally, using "-clscale" on the 
command line, "Tools->Options->Mesh->General->Characteristic length 
factor" in the GUI, or "Mesh.CharacteristicLengthFactor=xxx;" in a GEO 
file that merges the STEP file.

Or you can do it locally "per point", by adding "Characteristic 
Length{point_number,point_number,...} = xxx;" commands in a GEO file
that merges the STEP file.

You can also use all the more advanced char length definition methods 
(background mesh, etc.)

> Thx in advance!
> Constanze
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science