FDSReader / vtkPartitionedDataSetCollection

[fire35 (Alexis Marchand)]

Hi,

I am trying to use paraview to process the results of the Fire Dynamics Simulator (FDS). Recently, a new reader has been implemented in paraview and I am trying to use it.

I set a simple case of a convective heat transfer with slides defined by FDS. When I try to process the results the reader can see the different temperature slices but I can’t select only one, they are all selected, even though I click on only one “STRUCTURE_TEMPERATURE” (see image). When I check vtkBlockColors it seems that each slice has a unique block number but I don’t know how I can isolate it : the information tab says that the data is a “vtkPartionedDataSetCollection”. I am not familiar with this kind of data.
I searched on the forum and internet but i couldn’t find useful information about how to process it using Paraview Gui or Python Shell.

I would appreciate some help on it, thank you.

Best,

[mwestphal (Mathieu Westphal (Kitware))]

Are you looking for the Extract Blocks filter maybe ?

[fire35 (Alexis Marchand)]

Thank you for your reply,

I tried to use the Extract Block filter but when I select one block it does not select only one but all of them.

[mwestphal (Mathieu Westphal (Kitware))]

please share your data

[fire35 (Alexis Marchand)]

no problem, here are my simple case data

data.zip

[mwestphal (Mathieu Westphal (Kitware))]

This is caused by the fact all your blocks have the same name. This is an issue, could you open it:

https://gitlab.kitware.com/paraview/paraview/-/issues

You can workaround it by saving the data to a file and modifying the blocknames manually.

[fire35 (Alexis Marchand)]

Ok. Thanks for the answer I will submit a new issue.

Could it be possible to rename the blocks using a Python Script ?

[mwestphal (Mathieu Westphal (Kitware))]

I supose.

you can also edit the .smv file manually or with a python script, here is a corrected version:

untitled.smv (12.4 KB)