Some questions about categorical colors

[mwestphal (Mathieu Westphal (Kitware))]

Volume does not support interpret values as categories I’m afraid

https://gitlab.kitware.com/paraview/paraview/-/issues/22299

"Interpret Values As Categories" does not work with TIFF Series Reader

Hi, I have a 3d array saved in a tiff file whose contents I want to look at in Paraview. The array contains categorical data, so each pixel is either 0, 1, or 2. I import the tiff file in Paraview with the TIFF Series Reader and it is correctly displayed when switching Volume Representation. However, when I click Interpret Values As Categories in the Color Map Editor the colors of the different regions do not change. I am using Paraview 5.10.1 as in this post ("Interpret values as categories" n…