Seems like this should be simple? I most often read files and write files, and then use ParaView to examine my data - but this time I am trying to render it. I have a collection of vtkXMLPolyData files that have three CellData arrays, and I’d like to show “Temperature” in the vtkRenderWindow. I kno…

That was the missing clue, I think. There was a note in there that mentioned SetScalars … I guess I had naively assumed that storing arrays would make them available to use for the mapper. I guess in ParaView, it figures it out, but in raw VTK, there is a difference between an array in the cell data…

rexthor February 21, 2025, 5:20pm 12

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Render Cell Scalars from vtkXMLPolyData?