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[Bug 420755] Re: Cannot read MeshFunctions in parallel

To: dolfin-dev@xxxxxxxxxx
From: Garth Wells <gnw20@xxxxxxxxx>
Date: Mon, 21 Sep 2009 14:15:33 -0000
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Reply-to: Bug 420755 <420755@xxxxxxxxxxxxxxxxxx>
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** Changed in: dolfin
       Status: Fix Committed => Fix Released

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Cannot read MeshFunctions in parallel
https://bugs.launchpad.net/bugs/420755
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Status in DOLFIN: Fix Released

Bug description:
Reading MeshFunctions from file fails when running in parallel. Without a rewrite of the XMLMeshFunction, where the mapping between the mesh entities and and the vertices is stored as part of the file format, only vertex and cell valued mesh functions can be used in parallel. Hence, we only address the cases of cell and vertex entities for now.

MeshFunctions over vertices and cells are now working. A nice error is issued when trying to read facets. Closing this bug now. What we need to do is store MeshFunctions in term of the vertices to file in order to reproduce the global numbering in parallel.