All, I'm trying to retrieve the block names for blocks in an Exodus multi-block dataset. There is a weird block_ID, block_number thing which I don't understand and can't get past.
Imagine I have many blocks in my dataset but I only load 2 Block_ID block_number(displayed in Spreadsheet) 4 5 - this is actually 4th block in file 101 25 - this is actually 24th block in file I am looping through blocks and getting block_names using this routine: def get_block_name(block): # # Get block ID - indexed from 1 block_id=block.FieldData.GetArray('ElementBlockIds') #print block_id # # Get Block name from metadata output=self.GetOutput() # # Element Block data is in DataBlock(0) of composite database ElementBlocks=output.GetBlock(0) # # meta indexed from 0 (use block_id-1) block_meta=ElementBlocks.GetMetaData(block_id-1) block_name=block_meta.Get(vtk.vtkCompositeDataSet.NAME()) return block_name Note that block.FieldData.GetArray('ElementBlockIds') returns 5 for the first block I then need to call block_meta.Get(vtk.vtkCompositeDataSet.NAME()) with 4 to get the correct name Now with the second block, block.FieldData.GetArray('ElementBlockIds') returns 101, I then call block_meta.Get(vtk.vtkCompositeDataSet.NAME()) with 100 and get an error of "NoneType object has no attribute 'Get' It seems clear that I need a function which will return 25 for the second block (instead of 101) so that I can call NAME() with 24. So, how do I get it to return the block number instead of the block ID NOTE, the first block is a hex block, while the 2nd block is a quad block - I'm suspicious that this is the real issue, but here all quad blocks are > 100 by convention. Summary - block name works for contiguously numbered hex blocks but discontinuously numbered quad blocks don't work. Thanks for any help. Dennis
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