[Paraview] structured to unstructured when using multiblocks filter

[Ufuk Turuncoglu]

Hi, 

I am using MPI parallel code under Catalyst co-processing. In this case, i am defining data by creating multi-block dataset and putting multi-piece dataset into the first block (0). In this case, each piece is defined as structured grid. The problem is that, to create volume rendering, i need to use MergeBlocks filter under ParaView but it changes data type from structured grid to unstructured one. I just wonder that is there any way to merge blocks without changing type? Programmable filter etc.? Another workaround could be defining dataset without using multi block under co-processing adaptor code. So, is it possible to represent multi-piece data under co-processing without putting it into multi-bloack dataset. 

Regards, 

--ufuk 
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