def setup(self):
"""This is called one time when the module GUI is initialized
"""
ScriptedLoadableModuleWidget.setup(self)
# Create objects that can be used anywhere in the module. Example: in most cases there should be just one
# object of the logic class
self.logic = CIP_PAARatioLogic()
#
# Create all the widgets. Example Area
mainAreaCollapsibleButton = ctk.ctkCollapsibleButton()
mainAreaCollapsibleButton.text = "Main parameters"
self.layout.addWidget(mainAreaCollapsibleButton)
self.mainAreaLayout = qt.QGridLayout(mainAreaCollapsibleButton)
self.label = qt.QLabel("Select the volume")
self.label.setStyleSheet("margin:10px 0 20px 7px")
self.mainAreaLayout.addWidget(self.label, 0, 0)
self.volumeSelector = slicer.qMRMLNodeComboBox()
self.volumeSelector.nodeTypes = ("vtkMRMLScalarVolumeNode", "")
self.volumeSelector.name = "paa_volumeSelector"
self.volumeSelector.selectNodeUponCreation = True
self.volumeSelector.autoFillBackground = True
self.volumeSelector.addEnabled = True
self.volumeSelector.noneEnabled = False
self.volumeSelector.removeEnabled = False
self.volumeSelector.showHidden = False
self.volumeSelector.showChildNodeTypes = False
self.volumeSelector.setMRMLScene(slicer.mrmlScene)
self.volumeSelector.setStyleSheet(
"margin:0px 0 0px 0; padding:2px 0 2px 5px")
self.mainAreaLayout.addWidget(self.volumeSelector, 0, 1)
self.jumptToTemptativeSliceButton = ctk.ctkPushButton()
self.jumptToTemptativeSliceButton.name = "jumptToTemptativeSliceButton"
self.jumptToTemptativeSliceButton.text = "Jump to temptative slice"
self.jumptToTemptativeSliceButton.toolTip = "Jump to the best estimated slice to place the rulers"
self.jumptToTemptativeSliceButton.setIcon(
qt.QIcon("{0}/ruler.png".format(SlicerUtil.CIP_ICON_DIR)))
self.jumptToTemptativeSliceButton.setIconSize(qt.QSize(20, 20))
self.jumptToTemptativeSliceButton.setStyleSheet("font-weight: bold;")
# self.jumptToTemptativeSliceButton.setFixedWidth(140)
self.mainAreaLayout.addWidget(self.jumptToTemptativeSliceButton, 1, 1)
### Structure Selector
self.structuresGroupbox = qt.QGroupBox("Select the structure")
self.groupboxLayout = qt.QVBoxLayout()
self.structuresGroupbox.setLayout(self.groupboxLayout)
self.mainAreaLayout.addWidget(self.structuresGroupbox, 2, 0)
self.structuresButtonGroup = qt.QButtonGroup()
# btn = qt.QRadioButton("None")
# btn.visible = False
# self.structuresButtonGroup.addButton(btn)
# self.groupboxLayout.addWidget(btn)
btn = qt.QRadioButton("Both")
btn.name = "paaButton"
btn.checked = True
self.structuresButtonGroup.addButton(btn, 0)
self.groupboxLayout.addWidget(btn)
btn = qt.QRadioButton("Pulmonary Arterial")
btn.name = "paRadioButton"
self.structuresButtonGroup.addButton(btn, 1)
self.groupboxLayout.addWidget(btn)
btn = qt.QRadioButton("Aorta")
btn.name = "aortaRadioButton"
self.structuresButtonGroup.addButton(btn, 2)
self.groupboxLayout.addWidget(btn)
### Buttons toolbox
self.buttonsToolboxFrame = qt.QFrame()
self.buttonsToolboxLayout = qt.QGridLayout()
self.buttonsToolboxFrame.setLayout(self.buttonsToolboxLayout)
self.mainAreaLayout.addWidget(self.buttonsToolboxFrame, 2, 1)
self.placeRulersButton = ctk.ctkPushButton()
self.placeRulersButton.text = "Place ruler/s"
self.placeRulersButton.name = "placeRulersButton"
self.placeRulersButton.toolTip = "Place the ruler/s for the selected structure/s in the current slice"
self.placeRulersButton.setIcon(
qt.QIcon("{0}/ruler.png".format(SlicerUtil.CIP_ICON_DIR)))
self.placeRulersButton.setIconSize(qt.QSize(20, 20))
self.placeRulersButton.setFixedWidth(105)
self.placeRulersButton.setStyleSheet("font-weight:bold")
self.buttonsToolboxLayout.addWidget(self.placeRulersButton, 0, 0)
self.moveUpButton = ctk.ctkPushButton()
self.moveUpButton.text = "Move up"
self.moveUpButton.toolTip = "Move the selected ruler/s one slice up"
self.moveUpButton.setIcon(
qt.QIcon("{0}/move_up.png".format(SlicerUtil.CIP_ICON_DIR)))
self.moveUpButton.setIconSize(qt.QSize(20, 20))
self.moveUpButton.setFixedWidth(95)
self.buttonsToolboxLayout.addWidget(self.moveUpButton, 0, 1)
self.moveDownButton = ctk.ctkPushButton()
self.moveDownButton.text = "Move down"
self.moveDownButton.toolTip = "Move the selected ruler/s one slice down"
self.moveDownButton.setIcon(
qt.QIcon("{0}/move_down.png".format(SlicerUtil.CIP_ICON_DIR)))
self.moveDownButton.setIconSize(qt.QSize(20, 20))
self.moveDownButton.setFixedWidth(95)
self.buttonsToolboxLayout.addWidget(self.moveDownButton, 0, 2)
self.removeButton = ctk.ctkPushButton()
self.removeButton.text = "Remove ALL rulers"
self.removeButton.toolTip = "Remove all the rulers for this volume"
self.removeButton.setIcon(
qt.QIcon("{0}/delete.png".format(SlicerUtil.CIP_ICON_DIR)))
self.removeButton.setIconSize(qt.QSize(20, 20))
self.buttonsToolboxLayout.addWidget(self.removeButton, 1, 1, 1, 2, 2)
### Textboxes
self.textboxesFrame = qt.QFrame()
self.textboxesLayout = qt.QFormLayout()
self.textboxesFrame.setLayout(self.textboxesLayout)
self.textboxesFrame.setFixedWidth(190)
self.mainAreaLayout.addWidget(self.textboxesFrame, 3, 0)
self.paTextBox = qt.QLineEdit()
self.paTextBox.setReadOnly(True)
self.textboxesLayout.addRow("PA (mm): ", self.paTextBox)
self.aortaTextBox = qt.QLineEdit()
self.aortaTextBox.setReadOnly(True)
self.textboxesLayout.addRow("Aorta (mm): ", self.aortaTextBox)
self.ratioTextBox = qt.QLineEdit()
self.ratioTextBox.name = "ratioTextBox"
self.ratioTextBox.setReadOnly(True)
self.textboxesLayout.addRow("Ratio PA/A: ", self.ratioTextBox)
# Save case data
self.reportsCollapsibleButton = ctk.ctkCollapsibleButton()
self.reportsCollapsibleButton.text = "Reporting"
self.layout.addWidget(self.reportsCollapsibleButton)
self.reportsLayout = qt.QHBoxLayout(self.reportsCollapsibleButton)
self.storedColumnNames = [
"caseId", "paDiameterMm", "aortaDiameterMm", "pa1r", "pa1a",
"pa1s", "pa2r", "pa2a", "pa2s", "a1r", "a1a", "a1s", "a2r", "a2a",
"a2s"
]
columns = CaseReportsWidget.getColumnKeysNormalizedDictionary(
self.storedColumnNames)
self.reportsWidget = CaseReportsWidget(
self.moduleName,
columns,
parentWidget=self.reportsCollapsibleButton)
self.reportsWidget.setup()
# Init state
self.resetModuleState()
self.preventSavingState = False
self.saveStateBeforeEnteringModule()
self.preventSavingState = True
self.switchToRedView()
#####
# Case navigator
if SlicerUtil.isSlicerACILLoaded():
caseNavigatorAreaCollapsibleButton = ctk.ctkCollapsibleButton()
caseNavigatorAreaCollapsibleButton.text = "Case navigator"
self.layout.addWidget(caseNavigatorAreaCollapsibleButton, 0x0020)
# caseNavigatorLayout = qt.QVBoxLayout(caseNavigatorAreaCollapsibleButton)
# Add a case list navigator
from ACIL.ui import CaseNavigatorWidget
self.caseNavigatorWidget = CaseNavigatorWidget(
self.moduleName, caseNavigatorAreaCollapsibleButton)
self.caseNavigatorWidget.setup()
self.layout.addStretch()
# Connections
self.observers = []
self.volumeSelector.connect('currentNodeChanged(vtkMRMLNode*)',
self.onVolumeSelectorChanged)
self.jumptToTemptativeSliceButton.connect(
'clicked()', self.onJumpToTemptativeSliceButtonClicked)
self.placeRulersButton.connect('clicked()', self.onPlaceRulersClicked)
self.moveUpButton.connect('clicked()', self.onMoveUpRulerClicked)
self.moveDownButton.connect('clicked()', self.onMoveDownRulerClicked)
self.removeButton.connect('clicked()', self.onRemoveRulerClicked)
self.reportsWidget.addObservable(
self.reportsWidget.EVENT_SAVE_BUTTON_CLICKED, self.onSaveReport)
# Init state
self.resetModuleState()
self.preventSavingState = False
self.saveStateBeforeEnteringModule()
self.preventSavingState = True
def setup(self):
ScriptedLoadableModuleWidget.setup(self)
#
# the inps volume selector
#
parametersCollapsibleButton = ctk.ctkCollapsibleButton()
parametersCollapsibleButton.text = "IO Volumes"
self.parent.layout().addWidget(parametersCollapsibleButton)
# Layout within the dummy collapsible button
parametersFormLayout = qt.QFormLayout(parametersCollapsibleButton)
parametersFormLayout.setVerticalSpacing(5)
self.CTSelector = slicer.qMRMLNodeComboBox()
self.CTSelector.nodeTypes = (("vtkMRMLScalarVolumeNode"), "")
self.CTSelector.addAttribute("vtkMRMLScalarVolumeNode", "LabelMap", 0)
self.CTSelector.selectNodeUponCreation = False
self.CTSelector.addEnabled = False
self.CTSelector.removeEnabled = False
self.CTSelector.noneEnabled = True
self.CTSelector.showHidden = False
self.CTSelector.showChildNodeTypes = False
self.CTSelector.setMRMLScene(slicer.mrmlScene)
self.CTSelector.setToolTip("Pick the CT image to work on.")
parametersFormLayout.addRow("Input CT Volume: ", self.CTSelector)
#
# the label map volume selector
#
self.labelSelector = slicer.qMRMLNodeComboBox()
# self.labelSelector.nodeTypes = ( ("vtkMRMLScalarVolumeNode"), "" )
# self.labelSelector.addAttribute( "vtkMRMLScalarVolumeNode", "LabelMap", 1 )
self.labelSelector.nodeTypes = (("vtkMRMLLabelMapVolumeNode"), "")
self.labelSelector.selectNodeUponCreation = True
self.labelSelector.addEnabled = False
self.labelSelector.removeEnabled = False
self.labelSelector.noneEnabled = True
self.labelSelector.showHidden = False
self.labelSelector.showChildNodeTypes = False
self.labelSelector.setMRMLScene(slicer.mrmlScene)
self.labelSelector.setToolTip("Pick the label map to the algorithm.")
parametersFormLayout.addRow("Label Map Volume: ", self.labelSelector)
# Image filtering section
self.preProcessingWidget = PreProcessingWidget(
self.moduleName, parentWidget=self.parent)
self.preProcessingWidget.setup()
#
# self.splitRadioButton = qt.QRadioButton()
# self.splitRadioButton.setText('Split Label Map')
# self.splitRadioButton.setChecked(0)
# self.parent.layout().addWidget(self.splitRadioButton, 0, 3)
# Apply button
self.applyButton = qt.QPushButton("Apply")
self.applyButton.toolTip = "Calculate Parenchyma Phenotypes."
self.applyButton.enabled = False
self.applyButton.setFixedSize(300, 30)
self.parent.layout().addWidget(self.applyButton, 0, 4)
# model and view for stats table
self.view = qt.QTableView()
self.view.sortingEnabled = True
self.parent.layout().addWidget(self.view)
# model and view for EXP stats table
"""self.viewexp = qt.QTableView()
self.viewexp.sortingEnabled = True
self.parent.layout().addWidget(self.viewexp)"""
# Histogram Selection
self.HistSection = qt.QFrame()
self.HistSection.setLayout(qt.QVBoxLayout())
self.parent.layout().addWidget(self.HistSection)
self.HistSection.setObjectName('HistSection')
self.HistSection.setStyleSheet(
'#HistSection {border: 0.5px solid lightGray; }')
HistSectionTitle = qt.QLabel()
HistSectionTitle.setText('Histogram Section')
# HistSectionTitle.setStyleSheet('border: 1px solid white; color: black')
self.HistSection.layout().addWidget(HistSectionTitle)
self.histogramCheckBoxes = []
self.histFrame = qt.QFrame()
# self.histFrame.setStyleSheet('border: 1px solid white')
self.histFrame.setLayout(qt.QHBoxLayout())
self.GlobalHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.GlobalHistCheckBox)
self.histFrame.layout().addWidget(self.GlobalHistCheckBox)
self.RightHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RightHistCheckBox)
self.histFrame.layout().addWidget(self.RightHistCheckBox)
self.LeftHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LeftHistCheckBox)
self.histFrame.layout().addWidget(self.LeftHistCheckBox)
self.RULHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RULHistCheckBox)
self.histFrame.layout().addWidget(self.RULHistCheckBox)
self.RLLHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RLLHistCheckBox)
self.histFrame.layout().addWidget(self.RLLHistCheckBox)
self.RMLHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RMLHistCheckBox)
self.histFrame.layout().addWidget(self.RMLHistCheckBox)
self.LULHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LULHistCheckBox)
self.histFrame.layout().addWidget(self.LULHistCheckBox)
self.LLLHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LLLHistCheckBox)
self.histFrame.layout().addWidget(self.LLLHistCheckBox)
self.LUTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LUTHistCheckBox)
self.histFrame.layout().addWidget(self.LUTHistCheckBox)
self.LMTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LMTHistCheckBox)
self.histFrame.layout().addWidget(self.LMTHistCheckBox)
self.LLTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.LLTHistCheckBox)
self.histFrame.layout().addWidget(self.LLTHistCheckBox)
self.RUTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RUTHistCheckBox)
self.histFrame.layout().addWidget(self.RUTHistCheckBox)
self.RMTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RMTHistCheckBox)
self.histFrame.layout().addWidget(self.RMTHistCheckBox)
self.RLTHistCheckBox = qt.QCheckBox()
self.histogramCheckBoxes.append(self.RLTHistCheckBox)
self.histFrame.layout().addWidget(self.RLTHistCheckBox)
for i in xrange(len(self.histogramCheckBoxes)):
self.histogramCheckBoxes[i].setText(self.rTags[i])
self.histogramCheckBoxes[i].hide()
self.HistSection.layout().addWidget(self.histFrame)
self.HistSection.enabled = False
# Chart button
self.chartBox = qt.QFrame()
self.chartBox.setObjectName("chartBox")
self.chartBox.setStyleSheet(
'#chartBox {border: 0.5px solid lightGray;}')
self.chartBox.setLayout(qt.QVBoxLayout())
self.parent.layout().addWidget(self.chartBox)
chartSectionTitle = qt.QLabel()
chartSectionTitle.setText('Chart Section')
self.chartBox.layout().addWidget(chartSectionTitle)
chartFrame = qt.QFrame()
chartFrame.setLayout(qt.QHBoxLayout())
self.chartBox.layout().addWidget(chartFrame)
self.chartButton = qt.QPushButton("Chart")
self.chartButton.toolTip = "Make a chart from the current statistics."
chartFrame.layout().addWidget(self.chartButton)
self.chartOption = qt.QComboBox()
self.chartOption.addItems(self.chartOptions)
chartFrame.layout().addWidget(self.chartOption)
self.chartBox.enabled = False
self.reportsWidget = CaseReportsWidget(self.moduleName,
self.columnsDict,
parentWidget=self.parent)
self.reportsWidget.setup()
self.reportsWidget.showPrintButton(True)
# self.reportsWidget.saveButton.enabled = False
# self.reportsWidget.openButton.enabled = False
# self.reportsWidget.exportButton.enabled = False
# self.reportsWidget.removeButton.enabled = False
# By default, the Print button is hidden
# self.reportsWidget.showPrintButton.enabled = False
# Add vertical spacer
self.parent.layout().addStretch(1)
# connections
self.applyButton.connect('clicked()', self.onApply)
self.chartButton.connect('clicked()', self.onChart)
self.reportsWidget.addObservable(
self.reportsWidget.EVENT_SAVE_BUTTON_CLICKED, self.onSaveReport)
self.reportsWidget.addObservable(
self.reportsWidget.EVENT_PRINT_BUTTON_CLICKED, self.onPrintReport)
self.CTSelector.connect('currentNodeChanged(vtkMRMLNode*)',
self.onCTSelect)
self.labelSelector.connect('currentNodeChanged(vtkMRMLNode*)',
self.onLabelSelect)
self.GlobalHistCheckBox.connect('clicked()', self.onHistogram)
self.RightHistCheckBox.connect('clicked()', self.onHistogram)
self.LeftHistCheckBox.connect('clicked()', self.onHistogram)
self.RULHistCheckBox.connect('clicked()', self.onHistogram)
self.RLLHistCheckBox.connect('clicked()', self.onHistogram)
self.RMLHistCheckBox.connect('clicked()', self.onHistogram)
self.LULHistCheckBox.connect('clicked()', self.onHistogram)
self.LLLHistCheckBox.connect('clicked()', self.onHistogram)
self.LUTHistCheckBox.connect('clicked()', self.onHistogram)
self.LMTHistCheckBox.connect('clicked()', self.onHistogram)
self.LLTHistCheckBox.connect('clicked()', self.onHistogram)
self.RUTHistCheckBox.connect('clicked()', self.onHistogram)
self.RMTHistCheckBox.connect('clicked()', self.onHistogram)
self.RLTHistCheckBox.connect('clicked()', self.onHistogram)
def setup(self):
# Instantiate and connect widgets ...
ScriptedLoadableModuleWidget.setup(self)
#self.logic = CIP_CalciumScoringLogic()
#
# Parameters Area
#
parametersCollapsibleButton = ctk.ctkCollapsibleButton()
parametersCollapsibleButton.text = "Parameters"
self.layout.addWidget(parametersCollapsibleButton)
# Layout within the dummy collapsible button
parametersFormLayout = qt.QFormLayout(parametersCollapsibleButton)
#
# target volume selector
#
self.inputSelector = slicer.qMRMLNodeComboBox()
self.inputSelector.nodeTypes = ( ("vtkMRMLScalarVolumeNode"), "" )
self.inputSelector.addEnabled = False
self.inputSelector.removeEnabled = False
self.inputSelector.noneEnabled = False
self.inputSelector.showHidden = False
self.inputSelector.showChildNodeTypes = False
self.inputSelector.setMRMLScene( slicer.mrmlScene )
self.inputSelector.setToolTip( "Pick the input to the algorithm." )
parametersFormLayout.addRow("Target Volume: ", self.inputSelector)
self.inputSelector.connect("currentNodeChanged(vtkMRMLNode*)", self.onVolumeChanged)
self.volumeNode = self.inputSelector.currentNode()
#
# calcification type
#
# self.calcificationTypeBox = qt.QComboBox()
# self.calcificationTypeBox.addItem("Heart")
# self.calcificationTypeBox.addItem("Aorta")
# parametersFormLayout.addRow("Region", self.calcificationTypeBox)
# self.calcificationTypeBox.connect("currentIndexChanged(int)", self.onTypeChanged)
self.ThresholdRange = ctk.ctkRangeWidget()
self.ThresholdRange.minimum = 0
self.ThresholdRange.maximum = 2000
self.ThresholdRange.setMinimumValue(self.ThresholdMin)
self.ThresholdRange.setMaximumValue(self.ThresholdMax)
self.ThresholdRange.connect("minimumValueChanged(double)", self.onThresholdMinChanged)
self.ThresholdRange.connect("maximumValueChanged(double)", self.onThresholdMaxChanged)
parametersFormLayout.addRow("Threshold Value", self.ThresholdRange)
self.ThresholdRange.setMinimumValue(self.ThresholdMin)
self.ThresholdRange.setMaximumValue(self.ThresholdMax)
self.LesionSizeRange= ctk.ctkRangeWidget()
self.LesionSizeRange.minimum = 0.5
self.LesionSizeRange.maximum = 1000
self.LesionSizeRange.setMinimumValue(self.MinimumLesionSize)
self.LesionSizeRange.setMaximumValue(self.MaximumLesionSize)
self.LesionSizeRange.connect("minimumValueChanged(double)", self.onMinSizeChanged)
self.LesionSizeRange.connect("maximumValueChanged(double)", self.onMaxSizeChanged)
parametersFormLayout.addRow("Lesion Size (mm^3)", self.LesionSizeRange)
self.LesionSizeRange.setMinimumValue(self.MinimumLesionSize)
self.LesionSizeRange.setMaximumValue(self.MaximumLesionSize)
self.scoreField=dict()
for sr in self.summary_reports:
self.scoreField[sr] = qt.QLineEdit()
self.scoreField[sr].setText(0)
parametersFormLayout.addRow("Total "+sr, self.scoreField[sr])
#
# Update button and Select Table
#
self.updateButton = qt.QPushButton("Update")
self.updateButton.toolTip = "Update calcium score computation"
self.updateButton.enabled = True
self.updateButton.setFixedSize(100, 50)
#parametersFormLayout.addRow("", self.updateButton)
self.updateButton.connect('clicked()', self.onUpdate)
#
# Select table
#
self.selectLabels = qt.QTableWidget()
#self.selectLabels.horizontalHeader().hide()
self.selectLabels.verticalHeader().hide()
self.selectLabels.setColumnCount(6)
self.selectLabels.itemClicked.connect(self.handleItemClicked)
#Add row with columns name
col_names=["","Agatston Score","Mass Score","Volume (mm^3)","Mean HU","Max HU"]
self.selectLabels.setHorizontalHeaderLabels(col_names)
parametersFormLayout.addRow(self.updateButton, self.selectLabels)
#
# Save Widget Area
#
#self.saveCollapsibleButton = ctk.ctkCollapsibleButton()
#self.saveCollapsibleButton.text = "Saving"
#self.layout.addWidget(self.saveCollapsibleButton)
self.reportsWidget = CaseReportsWidget(self.moduleName, self.columnsDict, parentWidget=self.parent)
self.reportsWidget.setup()
self.reportsWidget.showPrintButton(False)
self.reportsWidget.addObservable(self.reportsWidget.EVENT_SAVE_BUTTON_CLICKED, self.onSaveReport)
#
# ROI Area
#
self.roiCollapsibleButton = ctk.ctkCollapsibleButton()
self.roiCollapsibleButton.text = "ROI"
self.roiCollapsibleButton.setChecked(False)
self.layout.addWidget(self.roiCollapsibleButton)
# Layout within the dummy collapsible button
roiFormLayout = qt.QFormLayout(self.roiCollapsibleButton)
#
# ROI
#
self.ROIWidget = slicer.qMRMLAnnotationROIWidget()
self.roiNode = slicer.vtkMRMLAnnotationROINode()
slicer.mrmlScene.AddNode(self.roiNode)
self.ROIWidget.setMRMLAnnotationROINode(self.roiNode)
roiFormLayout.addRow("", self.ROIWidget)
#self.roiNode.AddObserver("ModifiedEvent", self.onROIChangedEvent, 1)
# Add vertical spacer
self.layout.addStretch(1)
# Add temp nodes
self.croppedNode=slicer.vtkMRMLScalarVolumeNode()
self.croppedNode.SetHideFromEditors(1)
slicer.mrmlScene.AddNode(self.croppedNode)
self.labelsNode=slicer.vtkMRMLLabelMapVolumeNode()
slicer.mrmlScene.AddNode(self.labelsNode)
if self.inputSelector.currentNode():
self.onVolumeChanged(self.inputSelector.currentNode())