FieldData wrongly colored as NaN for categorical string
The content of categorical_NaN.zip is as follow:
- pv_state_bug.pvsm (ParaView 5.8 state file)
- categorical_color_bug.vtm (Multi-block of 3 polydata)
- categorical_color_bug/
- categorical_color_bug_2_0.vtp (FieldData "hierarchy_1": ['10110'])
- categorical_color_bug_1_0.vtp (FieldData "hierarchy_1": ['10075'])
- categorical_color_bug_0_0.vtp (FieldData "hierarchy_1": ['9935'])
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When we colorBy "hierarchy_1" and keep all the blocks, the values ['9935', '10075'] appear as NaN color. (top view)
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When we hide/remove block '9935', then the correct categorical get applied to ['10110', '10075']. (bottom view)