Ignacio,
I am trying to generate a map (or vectors, whatever is more convenient) that
gives me the ''dof coordinate'' (''support point'' in the language of dealii)
but only for the boundary dofs. Ideally I am looking for something of the style
std::map< types::global_dof_index, Point< spacedim > > BoundaryDofCoordinates ;
What is the most practical way to get it?
You can get the map for *all* DoFs via DoFTools::map_dofs_to_support_points().
You will then only need to know which DoFs are at the boundary, and you can
get that via DoFTools::extract_boundary_dofs(). With these two pieces of
functionality, it should be a three-liner to construct the map you need :-)
Cheers
W.
--
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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