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The idea was that one should be able to plot any Function. This means that every Function must be defined on a Mesh.We didn't have this before which meant we needed to have things like Function::attach(mesh), Function::attach(element) etc.
So the need for a Mesh is to keep the code simpler, but I can see the need for being able to do things like
Function f = 1.0;Would it be better to introduce a new class Constant, which does not require a Mesh? (Constant would inherit from Function and replace the constant Function backend.)
/Anders Garth N. Wells wrote:
Is there a reason why a ConstantFunction must be associated with a mesh, Function(mesh, 1.0);It makes the initialisation of a ConstantFunction rather tedious since the mesh must be passed around. If it's not needed, I'll allow a constant function to be initialised without a mesh possible, and just return an error if a user tries to write the function to a VTK file.Garth _______________________________________________ DOLFIN-dev mailing list DOLFIN-dev@xxxxxxxxxx http://www.fenics.org/mailman/listinfo/dolfin-dev
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