Hi all,
I am currently working on a small Python script that should extract a
block from a vtkMultiBlockDataSet. In particular, I have a PVD file
which links each time step to the respective vtkMultiBlockDataSet. So I
started with
pvd = OpenDataFile("data.pvd")
in general it's straightforward to extract a block via
eb = ExtractBlock(Input=pvd)
eb.BlockIndices = [1]
now I previously wrote my vtm files in serial. Because of that I knew
exactly what the index of my block was (1 in this case). Now I'm writing
my vtm files in parallel and using ParaView's trace functionality told
me that my indices of the different blocks are completely different. So
I would like to know how to get the index of the block I want to
extract. I know the name of the block, so ideally I can have a get
function that takes the name string as input and gives me the index
integer as output.
The only success I had was actually reading the name of my blocks using
pvd.GetDataInformation().GetCompositeDataInformation().GetName(1)
or equivalently
pvd.GetDataInformation().GetCompositeDataInformation().GetDataInformation(1).GetCompositeDataSetName()
but I could not figure out how to obtain the index from these
vtkPVDataInformation objects.
Any help is appreciated.
Kind regards,
Arno
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