[Paraview] [EXT] Re: How to test for empty block in multi-block dataset

[Dennis Conklin]

Andy,

I’m not sure about the multiblock, my routines generally look like:

For block in output:
     If block.GetCellType(0)=12;
           process_block(block)

would this be

If input.GetBlock(i)
And I might not have loaded all the blocks in the set, then I might have eliminated some loaded blocks with earlier operations – what is the i in GetBlock?  Is it block_number as displayed in Spreadsheet or block index as in:

block_index = block.FieldData.GetArray(‘ElementBlockIds’) - 1

Sorry for such a basic question, but I only know the stuff I have used previously.

Dennis

From: Andy Bauer [mailto:andy.bauer at kitware.com]
Sent: Wednesday, October 18, 2017 10:44 AM
To: Dennis Conklin <dennis_conklin at goodyear.com>
Cc: Paraview (paraview at paraview.org) <paraview at paraview.org>
Subject: [EXT] Re: [Paraview] How to test for empty block in multi-block dataset

 WARNING - External email; exercise caution.



Hi Dennis,
I think something like:
if multiblock.GetBlock(i) != None:
  ...
should work. You probably don't even need the "!=None" part.
Cheers,
Andy

On Wed, Oct 18, 2017 at 10:41 AM, Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>> wrote:
P.S.  I’m writing python inside a Programmable Filter

Thanks again
Dennis

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