[Paraview] Hierachy in ParaView : VTK Multiblock file format ?

[paul.barrere]

Hello,

I am a french student : I apologize for my poor English.

I use ParaView to visualize results from  a lighting software, I'm a beginner in ParaView. I would like to create a hierarchy in the dataset (to hide / show one building ; show results only on the ground and so on). How can I manage this ?

- Can I use multiblock dataset file format (.vtm .vtmb ...) ? Where can I find any documentation about these file formats ? Does I have to use VTK to create these files ?
- What is the purpose of a block ? As example : with a multiblock dataset, I would like to have one block with physical data (radiosity, daylight factor..), other blocks without physical data (only geometry) ; or display some buildings with a color etc. I want to have only one file with all this information.

Thank you for your answer,
Yours faithfully,

paul barrère
(trainee at CNRS Cerma laboratory, nantes, France)

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