[Dune] [#676] SubsamplingVTKWriter.addVertexData for std::vector shows unexpected result

Dune dune at dune-project.org
Tue Dec 1 22:09:51 CET 2009


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The following task has a new comment added:

FS#676 - SubsamplingVTKWriter.addVertexData for std::vector shows unexpected result
User who did this - Andreas Dedner (dedner)

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The reason for this behavior is in the P1VectorWrapper where the evaluate
method uses a nearest vertex search, i.e., return the function value stored
on the vertex nearest to the local coordinate. Prehaps there is no better way
without having localfunctions. The question would be 
   should the add method for vector data also exist on the SubsamplingVTKWriter -
   the data is linear anyway and cannot be improved by subsampling. At least the
   docu should state this problem?

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