Volumes module: allow user to define their own preset Display configuration(s)

DIV · October 19, 2021, 11:49am

Currently in the Volumes module there are seven preset Display configurations: CT-bone, CT-air, …, DTI. It would be nice to allow users to define their own preset Display configuration(s).

I independently figured out a way to do this ‘manually’ for the Volume Rendering presets (cf. Create volume rendering presets) — although I couldn’t find a convenient way to create relevant thumbnails for those user-defined presets.

lassoan · October 20, 2021, 2:58am

See how to do this in the documentation and complete example of how you can do it in an extension in SlicerHeart:

github.com

SlicerHeart/SlicerHeart/blob/1db36272742111a0fc3513a3a2a66cea38f68060/ValveAnnulusAnalysis/HeartValveLib/HeartValves.py#L329-L353

    
      
          def registerCustomVrPresets(usPresetsScenePath):
            """
            Set volume rendering presets from Resources/VrPresets/US-VrPresets.mrml
            """
            import os
          
          
  if not os.path.isfile(usPresetsScenePath):
              logging.warning('Volume rendering presets are not found at {0}'.format(usPresetsScenePath))
              return
          
          
  # Read scene
            usPresetsScene = slicer.vtkMRMLScene()
            vrPropNode = slicer.vtkMRMLVolumePropertyNode()
            usPresetsScene.RegisterNodeClass(vrPropNode)
            usPresetsScene.SetURL(usPresetsScenePath)
            usPresetsScene.Connect()
          
          
  # Add presets to volume rendering logic
            vrLogic = slicer.modules.volumerendering.logic()
            presetsScene = vrLogic.GetPresetsScene()

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Volumes module: allow user to define their own preset Display configuration(s)

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