Ensure VTK nan, above and below colors are serialized (#6763)

holoviz · Apr 19, 2024 · b9ea9e2 · b9ea9e2
1 parent ac5118e
commit b9ea9e2
Showing 1 changed file with 10 additions and 5 deletions.
diff --git a/panel/pane/vtk/synchronizable_serializer.py b/panel/pane/vtk/synchronizable_serializer.py
@@ -918,6 +918,11 @@ def lookupTableToColorTransferFunction(lookupTable):
  points = linspace(*tableRange, num=len(table))
  for x, rgba in zip(points, table):
  ctf.AddRGBPoint(x, *[x/255 for x in rgba[:3]])
+ ctf.SetAboveRangeColor(lookupTable.GetAboveRangeColor()[:3])
+ ctf.SetBelowRangeColor(lookupTable.GetBelowRangeColor()[:3])
+ ctf.SetUseAboveRangeColor(lookupTable.GetUseAboveRangeColor())
+ ctf.SetUseBelowRangeColor(lookupTable.GetUseBelowRangeColor())
+ ctf.SetNanColorRGBA(lookupTable.GetNanColor())
  return ctf
 
 # -----------------------------------------------------------------------------
@@ -1173,11 +1178,11 @@ def colorTransferFunctionSerializer(parent, instance, objId, context, depth):
  'clamping': 1 if instance.GetClamping() else 0,
  'colorSpace': instance.GetColorSpace(),
  'hSVWrap': 1 if instance.GetHSVWrap() else 0,
- # 'nanColor': instance.GetNanColor(), # Breaks client
- # 'belowRangeColor': instance.GetBelowRangeColor(), # Breaks client
- # 'aboveRangeColor': instance.GetAboveRangeColor(), # Breaks client
- # 'useAboveRangeColor': 1 if instance.GetUseAboveRangeColor() else 0,
- # 'useBelowRangeColor': 1 if instance.GetUseBelowRangeColor() else 0,
+ 'nanColor': instance.GetNanColor() + (instance.GetNanOpacity(),),
+ 'belowRangeColor': instance.GetBelowRangeColor() + (1,),
+ 'aboveRangeColor': instance.GetAboveRangeColor() + (1,),
+ 'useAboveRangeColor': 1 if instance.GetUseAboveRangeColor() else 0,
+ 'useBelowRangeColor': 1 if instance.GetUseBelowRangeColor() else 0,
  'allowDuplicateScalars': 1 if instance.GetAllowDuplicateScalars() else 0,
  'alpha': instance.GetAlpha(),
  'vectorComponent': instance.GetVectorComponent(),