[Paraview] XDMF questions...

[Kidambi Sreenivas]

Hi,

   I have a custom unstructured grid and solution file that is in HDF5. 
  I was looking into reading this into ParaView and was planning on 
using XDMF for this purpose.  However, I have run into certain issues 
which I am not sure how to address and hence this plea for help:

(1) I have the connectivity maps for the various element types as 
separate chunks in the HDF file, i.e., the Tetrahedra connectivity is 
stored separately from the Wedge connectivity etc.  This leads to a 
problem with the Topology specification as I can have only one Topology 
section per Grid.  If I set the Topology type to Mixed, then I have to 
re-encode my connectivity data (something I would prefer not to do).  Is 
there any way to read this data given these constraints?

(2) I did not see any support for specifying boundary "tags", i.e., an 
integer identifier for boundary faces (triangles and quads in 3D) such 
that I can display only a specified surface or a list of surfaces as 
needed.  Am I missing something or is this feature not available?

(3) I have the dependent variable vector (consists of a combination of 
scalars and vectors) that is written out as a single entity and not as 
individual scalars and vectors.  Is there an easy way to make XDMF read it?

Thanks for your help,

Sree