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[General] How to change cell properties in ParaView?

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Old   June 22, 2017, 04:46
Default How to change cell properties in ParaView?
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Winkler
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Following example model shows a cylinder with some cell properties on the left . The „ModelFaceID“ is a property that defines the different faces of the model. The faces are highlighted in different colors in the 3D view (right):



On the spreadsheet, I can see that each cell has a specific „ModelFaceID“, which assigns the cell to one of the faces:


Now, I would like to change the „ModelFaceID“ in a new model that has only one face yet. I would like to select cells manually in the 3D View and change the „ModelFaceID“ respectively, so that I get different faces for the model. Unfortunately, I cannot change the property on the spreadsheet. Here, a picture with my new model. I selected the cells in the 3D view (left) and the spreadsheet (right):



How can I change the property? Can I achieve that in ParaView? Do you have any ideas which other tool I could use?

You can find the cylinder example here (cylinder.vtp): Cylinder Example
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Old   June 28, 2017, 04:22
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Open the example_new.vtp twice in ParaView. On the second one do the selection, like shown in your second picture. When the selection is done, use the 'Extract Selection' filter (Filters - Alphabetical - Extract Selection).

In the filter set the color (use the edit button which you see in the picture). Apply the filter. Set the first sphere and the extract selection filter visible.



Now it looks like what you want to see, although the ModelFaceID has not changed.

There is also a possibility to change the ModelFaceID for the selected cells with the Python Shell and/or Programmable Filters, but that would be a bit more complicated.
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