Observe PointModifiedEvent instead of ModifiedEvent for the Markup no…

…de. SlicerProstate/SliceTracker#358.

SlicerDevelopmentToolboxUtils/mixins.py

@@ -371,7 +371,7 @@ def removeViewNodeIDs(node, sliceNodes):
   @staticmethod
   def jumpSliceNodeToTarget(sliceNode, targetNode, index):
     point = [0,0,0,0]
-    targetNode.GetMarkupPointWorld(index, 0, point)
+    targetNode.GetNthFiducialWorldCoordinates(index, point);
     sliceNode.JumpSlice(point[0], point[1], point[2])
 
   @staticmethod
@@ -808,7 +808,7 @@ def setNodeVisibility(node, visible):
   def setNodeSliceIntersectionVisibility(node, visible):
     displayNode = node.GetDisplayNode()
     if displayNode is not None:
-      displayNode.SetSliceIntersectionVisibility(visible)
+      displayNode.SetVisibility2D(visible)
 
   @staticmethod
   def isVolumeExtentValid(volume):

SlicerDevelopmentToolboxUtils/widgets.py

@@ -311,6 +311,7 @@ def _onFiducialListSelected(self, node):
     self.currentNode = node
 
   def _createNewFiducialNode(self, name=None):
+    print("_createNewFiducialNode(self, name=None):")
     markupsLogic = slicer.modules.markups.logic()
     self.currentNode = slicer.mrmlScene.GetNodeByID(markupsLogic.AddNewFiducialNode())
     self.currentNode.SetName(name if name else self.currentNode.GetName())
@@ -327,7 +328,7 @@ def _removeTargetListObservers(self):
   def _addTargetListObservers(self):
     self._removeTargetListObservers()
     if self.currentNode:
-      self._modifiedEventObserverTag = self.currentNode.AddObserver(vtk.vtkCommand.ModifiedEvent, self._onFiducialsUpdated)
+      self._modifiedEventObserverTag = self.currentNode.AddObserver(slicer.vtkMRMLMarkupsNode.PointModifiedEvent, self._onFiducialsUpdated)
 
   def _updateButtons(self):
     if not self.currentNode or self.currentNode.GetNumberOfFiducials() == 0:
@@ -371,7 +372,7 @@ def _handleDeleteButtonClicked(self, idx):
       self.currentNode.RemoveMarkup(idx)
 
   def _onFiducialsUpdated(self, caller, event):
-    if caller.IsA("vtkMRMLMarkupsFiducialNode") and event == "ModifiedEvent":
+    if caller.IsA("vtkMRMLMarkupsFiducialNode"):
       self._updateTable()
       self._updateButtons()
       self.invokeEvent(vtk.vtkCommand.ModifiedEvent)