# Some questions about categorical colors

**URL:** https://discourse.paraview.org/t/some-questions-about-categorical-colors/12860
**Category:** ParaView Support
**Created:** [September 14, 2023, 3:58am UTC](https://discourse.paraview.org/t/some-questions-about-categorical-colors/12860 "2023-09-14T03:58:41Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [September 14, 2023, 7:16am UTC](https://discourse.paraview.org/t/some-questions-about-categorical-colors/12860/2 "2023-09-14T07:16:29Z")

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

[https://gitlab.kitware.com/paraview/paraview/-/issues/22299](https://gitlab.kitware.com/paraview/paraview/-/issues/22299)

> [@"Interpret Values As Categories" does not work with TIFF Series Reader](https://discourse.paraview.org/t/interpret-values-as-categories-does-not-work-with-tiff-series-reader/11313):
>
> 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…](https://discourse.paraview.org/t/interpret-values-as-categories-not-working-for-string-properties-pv-5-11-0-rc2/11155)

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