[Gmsh] "is inside" function in API?

[Christophe Geuzaine]

Sergey Litvinov wrote:
> Hi,
> 
> I would like to use gmsh to generate initial conditions for particle
> based method.
> I need an API function to check if arbitrary point x,y (,z) belongs to
> a given Volume
> or Surface (for 2D).

If the volume/surface is meshed, you can use 
GModel::getMeshElementByCoord(), which uses a fast octree search.


> 
> Thank you for your help.
> 
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> 
> 


-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine