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ENH: VolumeRenderingModuleWidget: Extend API adding two new signals:

Davide Punzo requested to merge github/fork/jcfr/add-VR-module-widget-signal into master
  • newCurrentDisplayNode
  • newCurrentMRMLVolumeNode

**** WIP ****

Why ?

signals to synch the current MRMLVolumeRendeingDisplayNode from the VolumeRenderingModuleWidget to another ModuleWidgets.

if the signal approach is wrong, what about one of these two approaches (using MRML):

  1. storing the current VolumeRenderingDisplayNodeID in the vtkMRMLVolumeRenderingScenarioNode. or
  2. storing the current VolumeRenderingDisplayNodeID in the SelectionNode.

Davide.

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