> With this target in mind we are looking for a method to refine the mesh
> according to orography"s slope.
> We saw that for such problems usually the function MathEval is used, but
> in our case no analytic expression is available for the orography
> description.
> Is it possible in gmsh to define the local density of the mesh as a
> pointwise defined function? Or could you please suggest us some
> alternative solution for refining the mesh using only pointwise
> information about mesh size.
Does tutorial 7 do what you want?
http://gmsh.info/doc/texinfo/gmsh.html#t7_002egeo
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