[Paraview] Exodus Block Names

[Shawn Waldon]

Hi Dennis,

The block name is in the block metadata, which is not where I looked the
first time either.  Here is a code snippet that shows how to access it.

mb = vtk.vtkMultiBlockDataSet()
...
for i in range(mb.GetNumberOfBlocks):
  metadata = mb.GetMetaData(i)
  name = metadata.Get(vtk.vtkCompositeDataSet.NAME())

HTH,
Shawn

On Fri, Aug 28, 2015 at 4:13 PM, Dennis Conklin <dennis_conklin at goodyear.com
> wrote:

> All,
>
>
>
> Once again, I need help.  We are starting to assign names to our Exodus
> blocks (outside of Paraview).   This is very useful for ease and clarity of
> post processing and allows convenient reference to actual components.   The
> good news is that Paraview seems perfectly happy to read in the Block Names
> and use them in the Properties Panel and the Multi-block Inspector and the
> Find Data screen if they exist (no action or programming required for
> this).  So, for instance, instead of Paraview generating the non-useful
> name of “Unnamed block ID: 13 Type: hex” when the blockname is empty, it
> will automagically use the more useful Blockname of “Tread”  if that is in
> the Exodus file.
>
>
>
> However, there has been an unintended consequence of this change.   If I
> select some elements and examine them in Spreadsheet View, I see Block
> Number 14( the +1 offset from Block_ID and Block Number is NOT the
> problem!).   And now I can no longer associate the element (Block Number
> 14) with it’s block in the Properties Panel or the Multi-block Inspector or
> the Find Data panel – where the same block is called “Tread”.
>
>
>
> So, to remedy this situation I would like to add an element variable of
> BlockName, which would contain “Tread” for all the elements in BlockID 13,
> etc., etc. for all the blocks.
>
>
>
> My only problem is I can’t seem to find the list of Block Names.   I’m
> pretty weak at vtk, so it must be available but I surrender – I can’t seem
> to find it.   If someone can help me find the list of Block Names from
> inside the Programmable Filter, I’ll be happy to add the element variable
> myself.
>
>
>
> Thanks for any help, again!
>
>
>
> Dennis
>
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