Jump to the center of the segment does not always work

[fedorov]

@che85 no need to work on this right away, but can you add the pointer here to the relevant part of code?

[che85]

It's

QuantitativeReporting/QuantitativeReporting/QRCustomizations/CustomSegmentEditor.py

Lines 65 to 69 in 5b820fb

	def jumpToSegmentCenter(self, segment):
	centroid = self.logic.getSegmentCentroid(self.segmentationNode, segment)
	if centroid:
	markupsLogic = slicer.modules.markups.logic()
	markupsLogic.JumpSlicesToLocation(centroid[0], centroid[1], centroid[2], False)

and

QuantitativeReporting/QuantitativeReporting/QRCustomizations/CustomSegmentEditor.py

Lines 146 to 161 in 5b820fb

	def getSegmentCentroid(segmentationNode, segment):
	imageData = vtkSegmentationCore.vtkOrientedImageData()
	segmentID = segmentationNode.GetSegmentation().GetSegmentIdBySegment(segment)
	segmentationsLogic = slicer.modules.segmentations.logic()
	segmentationsLogic.GetSegmentBinaryLabelmapRepresentation(segmentationNode, segmentID, imageData)
	extent = imageData.GetExtent()
	if extent[1] != -1 and extent[3] != -1 and extent[5] != -1:
	tempLabel = slicer.vtkMRMLLabelMapVolumeNode()
	slicer.mrmlScene.AddNode(tempLabel)
	tempLabel.SetName(segment.GetName() + "CentroidHelper")
	segmentationsLogic.CreateLabelmapVolumeFromOrientedImageData(imageData, tempLabel)
	CustomSegmentEditorLogic.applyThreshold(tempLabel, 1)
	centroid = ModuleLogicMixin.getCentroidForLabel(tempLabel, 1)
	slicer.mrmlScene.RemoveNode(tempLabel)
	return centroid
	return None