class MainWindow(QMainWindow, Ui4_MainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
self.OpenVTK()
self.update()
def update(self):
self.width = self.width()
self.height = self.height()
self.frame.setGeometry(self.width / 2, 0, self.width / 2, self.height)
def OpenVTK(self):
self.vtkWidget = QVTKRenderWindowInteractor(self.frame)
self.vl = Qt.QVBoxLayout()
self.vl.addWidget(self.vtkWidget)
self.ren = vtk.vtkRenderer()
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
self.iren.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
# Create source
# source = vtk.vtkSphereSource()
# source.SetCenter(0, 0, 0)
# source.SetRadius(5.0)
source = vtk.vtkCubeSource()
source.SetXLength(1500)
source.SetYLength(1500)
source.SetZLength(100)
source.SetCenter(0, 0, 0)
source8 = vtk.vtkCubeSource()
source8.SetXLength(10)
source8.SetYLength(100)
source8.SetZLength(100)
source8.SetCenter(0, 0, 0)
source2 = vtk.vtkCubeSource()
source2.SetXLength(25)
source2.SetYLength(200)
source2.SetZLength(550)
source2.SetCenter(0, 0, 0)
source3 = vtk.vtkCubeSource()
source3.SetXLength(1500)
source3.SetYLength(25)
source3.SetZLength(150)
source2.SetCenter(0, 0, 0)
source4 = vtk.vtkCubeSource()
source4.SetXLength(200)
source4.SetYLength(25)
source4.SetZLength(550)
source4.SetCenter(0, 0, 0)
source5 = vtk.vtkCylinderSource()
source5.SetRadius(70)
source5.SetHeight(350)
source5.SetCenter(0, 0, 0)
source5.SetResolution(100)
source6 = vtk.vtkCylinderSource()
source6.SetRadius(20)
source6.SetHeight(100)
source6.SetCenter(0, 0, 0)
source6.SetResolution(100)
source7 = vtk.vtkTriangle()
points = vtk.vtkPoints()
points.InsertNextPoint(100.0, 0.0, 0.0)
points.InsertNextPoint(0.0, 0.0, 0.0)
points.InsertNextPoint(0.0, 0.0, 100.0)
source7.GetPointIds().SetId(0, 0)
source7.GetPointIds().SetId(1, 1)
source7.GetPointIds().SetId(2, 2)
triangles = vtk.vtkCellArray()
triangles.InsertNextCell(source7)
trianglePolyData = vtk.vtkPolyData()
trianglePolyData.SetPoints(points)
trianglePolyData.SetPolys(triangles)
#mapperBase8 = vtk.vtkPolyDataMapper()
#mapperBase8.SetInputData(trianglePolyData)
filename = "/Users/steve/PycharmProjects/vtktest/CylinderHead-stl/CylinderHead-binary.stl"
reader = vtk.vtkSTLReader()
reader.SetFileName(filename)
reader.Update()
# Create a mapper
#mapperSTL = vtk.vtkPolyDataMapper()
#mapperSTL.SetInputConnection(reader.GetOutputPort())
mapperBase = vtk.vtkPolyDataMapper()
mapperBase.SetInputConnection(source.GetOutputPort())
mapperBase2 = vtk.vtkPolyDataMapper()
mapperBase2.SetInputConnection(source2.GetOutputPort())
mapperBase3 = vtk.vtkPolyDataMapper()
mapperBase3.SetInputConnection(source2.GetOutputPort())
mapperBase4 = vtk.vtkPolyDataMapper()
mapperBase4.SetInputConnection(source3.GetOutputPort())
mapperBase5 = vtk.vtkPolyDataMapper()
mapperBase5.SetInputConnection(source4.GetOutputPort())
mapperBase6 = vtk.vtkPolyDataMapper()
mapperBase6.SetInputConnection(source5.GetOutputPort())
mapperBase7 = vtk.vtkPolyDataMapper()
mapperBase7.SetInputConnection(source6.GetOutputPort())
mapperBase8 = vtk.vtkPolyDataMapper()
mapperBase8.SetInputConnection(source8.GetOutputPort())
BaseActor8 = vtk.vtkActor()
BaseActor8.SetMapper(mapperBase8)
# BaseActor8.GetProperty().SetColor(1.0, 215 / 255, 0)
#BaseActor8.RotateX(-45)
# BaseActor8.SetPosition(0,2000,500)
BaseActor8.GetProperty().SetColor(0, 0, 1)
# Create an actor
#STLactor = vtk.vtkActor()
#STLactor.SetMapper(mapperSTL)
BaseActor = vtk.vtkActor()
BaseActor.SetMapper(mapperBase)
#BaseActor.SetPosition((0, 0, 0))
BaseActor.GetProperty().SetColor(1.0, 0, 0)
#STLactor.SetScale(5,5,5)
BaseActor2 = vtk.vtkActor()
BaseActor2.SetMapper(mapperBase2)
BaseActor2.GetProperty().SetColor(0, 0, 1.0)
BaseActor3 = vtk.vtkActor()
BaseActor3.SetMapper(mapperBase3)
BaseActor3.GetProperty().SetColor(0, 0, 1.0)
BaseActor4 = vtk.vtkActor()
BaseActor4.SetMapper(mapperBase4)
BaseActor4.GetProperty().SetColor(0, 0, 1.0)
BaseActor5 = vtk.vtkActor()
BaseActor5.SetMapper(mapperBase5)
BaseActor5.GetProperty().SetColor(1.0, 1.0, 0)
BaseActor6 = vtk.vtkActor()
BaseActor6.SetMapper(mapperBase6)
BaseActor6.GetProperty().SetColor(1.0, 69 / 255, 0)
BaseActor6.RotateX(90)
BaseActor7 = vtk.vtkActor()
BaseActor7.SetMapper(mapperBase7)
BaseActor7.GetProperty().SetColor(1.0, 215 / 255, 0)
BaseActor7.RotateX(90)
#self.ren.AddActor(STLactor)
self.ren.AddActor(BaseActor)
self.ren.AddActor(BaseActor2)
self.ren.AddActor(BaseActor3)
self.ren.AddActor(BaseActor4)
self.ren.AddActor(BaseActor5)
self.ren.AddActor(BaseActor6)
self.ren.AddActor(BaseActor7)
self.ren.AddActor(BaseActor8)
self.ren.ResetCamera()
self.frame.setLayout(self.vl)
# self.setCentralWidget(self.frame)
self.show()
self.iren.Initialize()
# put timer event here
cbBase2 = vtkTimerCallback()
cbBase3 = vtkTimerCallback()
cbBase4 = vtkTimerCallback()
cbBase5 = vtkTimerCallback()
cbBase6 = vtkTimerCallback()
cbBase7 = vtkTimerCallback()
cbBase8 = vtkTimerCallback()
cbBase2.actor = BaseActor2
cbBase3.actor = BaseActor3
cbBase4.actor = BaseActor4
cbBase5.actor = BaseActor5
cbBase6.actor = BaseActor6
cbBase7.actor = BaseActor7
cbBase8.actor = BaseActor8
#cbSTL = vtkTimerCallback()
#cbSTL.actor = STLactor
def getfiles():
try:
file = QFileDialog.getOpenFileName(self, 'Single File',
QtCore.QDir.rootPath(),
'*.stl')
if file == None:
file = "/Users/steve/PycharmProjects/vtktest/CylinderHead-stl/CylinderHead-binary.stl"
str = file[0]
reader.SetFileName(str)
reader.Update()
#mapper.SetInputConnection(reader.GetOutputPort())
#STLactor.SetMapper(mapper)
except Exception as e:
print("Exception in method")
print(e)
def stopR():
cbBase8.timerVar3 = 0
def startR():
cbBase8.timerVar3 = 1
def stopY():
cbBase2.timerVar1 = 1
cbBase3.timerVar1 = 1
cbBase4.timerVar1 = 1
cbBase5.timerVar1 = 1
cbBase6.timerVar1 = 1
cbBase7.timerVar1 = 1
cbBase8.timerVar1 = 1
def forwardY():
cbBase2.timerVar1 = 0
cbBase3.timerVar1 = 0
cbBase4.timerVar1 = 0
cbBase5.timerVar1 = 0
cbBase6.timerVar1 = 0
cbBase7.timerVar1 = 0
cbBase2.count = 3
cbBase3.count = 3
cbBase4.count = 3
cbBase5.count = 3
cbBase6.count = 3
cbBase7.count = 3
cbBase8.count = 3
def backY():
cbBase2.timerVar1 = 0
cbBase3.timerVar1 = 0
cbBase4.timerVar1 = 0
cbBase5.timerVar1 = 0
cbBase6.timerVar1 = 0
cbBase7.timerVar1 = 0
cbBase8.timerVar1 = 0
cbBase2.count = 1
cbBase3.count = 1
cbBase4.count = 1
cbBase5.count = 1
cbBase6.count = 1
cbBase7.count = 1
cbBase8.count = 1
def upZ():
cbBase5.timerVar2 = 0
cbBase5.count2 = 1
cbBase6.timerVar2 = 0
cbBase6.count2 = 1
cbBase7.timerVar2 = 0
cbBase7.count2 = 1
cbBase8.timerVar2 = 0
cbBase8.count2 = 1
def downZ():
cbBase5.timerVar2 = 0
cbBase5.count2 = 3
cbBase6.timerVar2 = 0
cbBase6.count2 = 3
cbBase7.timerVar2 = 0
cbBase7.count2 = 3
cbBase8.timerVar2 = 0
cbBase8.count2 = 3
def stopZ():
cbBase5.timerVar2 = 1
cbBase5.count2 = 2
cbBase6.timerVar2 = 1
cbBase6.count2 = 3
cbBase7.timerVar2 = 1
cbBase7.count2 = 3
cbBase8.timerVar2 = 1
cbBase8.count2 = 3
#self.vtkWidget.AddObserver('TimerEvent', cbSTL.execute2)
self.vtkWidget.AddObserver('TimerEvent', cbBase2.execute3)
self.vtkWidget.AddObserver('TimerEvent', cbBase3.execute4)
self.vtkWidget.AddObserver('TimerEvent', cbBase4.execute)
self.vtkWidget.AddObserver('TimerEvent', cbBase5.execute5)
self.vtkWidget.AddObserver('TimerEvent', cbBase5.execute6)
self.vtkWidget.AddObserver('TimerEvent', cbBase6.execute7)
self.vtkWidget.AddObserver('TimerEvent', cbBase6.execute8)
self.vtkWidget.AddObserver('TimerEvent', cbBase7.execute9)
self.vtkWidget.AddObserver('TimerEvent', cbBase7.execute10)
self.vtkWidget.AddObserver('TimerEvent', cbBase8.execute11)
self.vtkWidget.AddObserver('TimerEvent', cbBase8.execute12)
self.vtkWidget.AddObserver('TimerEvent', cbBase8.execute2)
self.stopRotationButton.clicked.connect(stopR)
self.startRotationButton.clicked.connect(startR)
try:
self.STLButton.clicked.connect(getfiles)
except Exception as ex:
print("Exception in button call")
print(ex)
self.stopYButton.clicked.connect(stopY)
self.forwardYButton.clicked.connect(forwardY)
self.backYButton.clicked.connect(backY)
self.stopZButton.clicked.connect(stopZ)
self.upZButton.clicked.connect(upZ)
self.downZButton.clicked.connect(downZ)
self.vtkWidget.CreateRepeatingTimer(1)
self.iren.Start()
class MainWindow(qtw.QMainWindow):
def __init__(self,
input_file,
gaussian,
radius,
thresh,
zoom,
zSlice,
brightness,
window_size,
*args, **kwargs):
"""MainWindow constructor"""
super().__init__(*args, **kwargs)
# Window setup
self.resize(window_size[0],window_size[1])
self.title = "Qt Viewer for Lesion Augmentation"
self.statusBar().showMessage("Welcome.",8000)
# Capture defaults
self.gaussian = gaussian
self.radius = radius
self.thresh = thresh
self.zoom = zoom
self.brightness = brightness
self.shape_dic = None
self.lesion_dic = {}
self.thresholdArray = None
self.imageArray = None
self.zSlice = 100
self.shape = None
self.crop = None
self.colorWindow = 1000
self.colorLevel = 500
# Initialize the window
self.initUI()
# Set up some VTK pipeline classes
self.reader = None
self.gauss = vtk.vtkImageGaussianSmooth()
self.lesion = vtk.vtkImageData()
self.threshold = vtk.vtkImageThreshold()
self.mapToColors = vtk.vtkImageMapToColors()
self.imageViewer = vtk.vtkImageViewer2()
self.resizeImage = vtk.vtkImageResize()
self.resizeSeg = vtk.vtkImageResize()
self.contourRep = vtk.vtkOrientedGlyphContourRepresentation()
self.contourWidget = vtk.vtkContourWidget()
self.placer = vtk.vtkImageActorPointPlacer()
self.polyData = None
self.origmapper = vtk.vtkImageMapper()#vtkImageSliceMapper()#
self.mapper = vtk.vtkImageMapper()
self.stencilmapper = vtk.vtkPolyDataMapper()
self.origactor = vtk.vtkActor2D() #vtkImageActor()
self.actor = vtk.vtkActor2D()
self.stencilactor = vtk.vtkActor()
# Take inputs from command line. Only use these if there is an input file specified
if (input_file != None):
if (not os.path.exists(input_file)):
qtw.QMessageBox.warning(self, "Error", "Invalid input file.")
return
self.createPipeline(input_file)
self.statusBar().showMessage("Loading file " + input_file,4000)
self.changeSigma(gaussian)
self.changeRadius(radius)
self.changeThreshold(thresh)
self.changeBrightness(brightness)
self.changeSlice(zSlice)
def initUI(self):
########################################
# Create Widgets
########################################
self.loadPushButton = qtw.QPushButton(
"Load Image",
self,
objectName = "loadPushButton",
shortcut=qtg.QKeySequence("Ctrl+f")
)
self.sigmaSpinBox = qtw.QDoubleSpinBox(
self,
objectName = "sigmaSpinBox",
value=self.gaussian,
decimals=1,
maximum=20.0,
minimum=0.1,
singleStep=0.1,
keyboardTracking=False
)
self.radiusSpinBox = qtw.QSpinBox(
self,
objectName = "radiusSpinBox",
value=self.radius,
maximum=20,
minimum=1,
singleStep=1,
keyboardTracking=False
)
self.threshSpinBox = qtw.QSpinBox(
self,
objectName = "threshSpinBox",
value=self.thresh,
maximum=3000,
minimum=-3000,
singleStep=5,
keyboardTracking=False
)
self.brightnessSpinBox = qtw.QSpinBox(
self,
objectName = "brightnessSpinBox",
value=self.brightness,
maximum=3000,
minimum=-3000,
singleStep=5,
keyboardTracking=False
)
self.sliceSpinBox = qtw.QSpinBox(
self,
objectName = "sliceSpinBox",
value=self.zSlice,
maximum=3000,
minimum=-3000,
singleStep=1,
keyboardTracking=False
)
self.levelSpinBox = qtw.QSpinBox(
self,
objectName = "levelSpinBox",
value=self.colorLevel,
maximum=5000,
minimum=-3000,
singleStep=50,
keyboardTracking=False
)
self.windowSpinBox = qtw.QSpinBox(
self,
objectName = "windowSpinBox",
value=self.colorWindow,
maximum=5000,
minimum=-3000,
singleStep=50,
keyboardTracking=False
)
self.lesionPushButton = qtw.QPushButton(
"Add Lesion",
self,
objectName = "lesionPushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.savePushButton = qtw.QPushButton(
"Save Lesion",
self,
objectName = "savePushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.deletePushButton = qtw.QPushButton(
"Delete Lesion",
self,
objectName = "deletePushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.resetPushButton = qtw.QPushButton(
"Reset Contour",
self,
objectName = "resetPushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.saveCropPushButton = qtw.QPushButton(
"Save Cropped Region",
self,
objectName = "saveCropPushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.confirmCropPushButton = qtw.QPushButton(
"Confirm Position of Cropped Contour",
self,
objectName = "confirmCropPushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
self.addCropPushButton = qtw.QPushButton(
"Add Cropped Pixels to Current Slice",
self,
objectName = "addCropPushButton",
shortcut=qtg.QKeySequence("Ctrl+l")
)
# Create the menu options --------------------------------------------------------------------
menubar = qtw.QMenuBar()
self.setMenuBar(menubar)
menubar.setNativeMenuBar(False)
file_menu = menubar.addMenu("File")
open_action = file_menu.addAction("Open Image")
file_menu.addSeparator()
about_action = file_menu.addAction("About")
quit_action = file_menu.addAction("Quit")
# Lay out the GUI ----------------------------------------------------------------------------
self.mainGroupBox = qtw.QGroupBox("Image Controls")
self.mainGroupBox.setLayout(qtw.QGridLayout())#QHBoxLayout())
self.controlsGroupBox = qtw.QGroupBox("Thresholding controls")
self.controlsGroupBox.setLayout(qtw.QVBoxLayout())
self.controlsFormLayout = qtw.QFormLayout()
self.controlsFormLayout.addRow("Sigma",self.sigmaSpinBox)
self.controlsFormLayout.addRow("Radius",self.radiusSpinBox)
self.controlsFormLayout.addRow("Global Threshold",self.threshSpinBox)
self.controlsFormLayout.addRow("Lesion Brightness",self.brightnessSpinBox)
self.controlsFormLayout.addRow("Slice Index", self.sliceSpinBox)
self.controlsFormLayout.addRow("Color Level", self.levelSpinBox)
self.controlsFormLayout.addRow("Color Window", self.windowSpinBox)
self.controlsGroupBox.layout().addLayout(self.controlsFormLayout)
self.mainGroupBox.layout().addWidget(self.loadPushButton)
self.mainGroupBox.layout().addWidget(self.lesionPushButton)
self.mainGroupBox.layout().addWidget(self.savePushButton)
self.mainGroupBox.layout().addWidget(self.deletePushButton)
self.mainGroupBox.layout().addWidget(self.resetPushButton)
self.mainGroupBox.layout().addWidget(self.controlsGroupBox)
self.mainGroupBox.layout().addWidget(self.saveCropPushButton)
self.mainGroupBox.layout().addWidget(self.confirmCropPushButton)
self.mainGroupBox.layout().addWidget(self.addCropPushButton)
# Assemble the side control panel and put it in a QPanel widget ------------------------------
self.panel = qtw.QVBoxLayout()
self.panel.addWidget(self.mainGroupBox)
self.panelWidget = qtw.QFrame()
self.panelWidget.setLayout(self.panel)
# Create the VTK rendering window ------------------------------------------------------------
self.vtkWidget = QVTKRenderWindowInteractor()
self.vtkWidget.AddObserver("ExitEvent", lambda o, e, a=self: a.quit())
#self.vtkWidget.AddObserver("MouseWheelForwardEvent", self.wheelForward)
#self.vtkWidget.AddObserver("MouseWheelBackwardEvent", self.wheelBackward)
#self.vtkWidget.AddObserver("KeyPressEvent", self.keyPressEvent)
# Create main layout and add VTK window and control panel
self.mainLayout = qtw.QHBoxLayout()
self.mainLayout.addWidget(self.vtkWidget,4)
self.mainLayout.addWidget(self.panelWidget,1)
self.frame = qtw.QFrame()
self.frame.setLayout(self.mainLayout)
self.setCentralWidget(self.frame)
self.setWindowTitle(self.title)
self.centreWindow()
# Set size policies --------------------------------------------------------------------------
self.sigmaSpinBox.setMinimumSize(70,20)
self.radiusSpinBox.setMinimumSize(70,20)
self.threshSpinBox.setMinimumSize(70,20)
self.brightnessSpinBox.setMinimumSize(70,20)
self.sliceSpinBox.setMinimumSize(70,20)
self.levelSpinBox.setMinimumSize(70,20)
self.windowSpinBox.setMinimumSize(70,20)
self.mainGroupBox.setMaximumSize(1000,1000)
self.vtkWidget.setSizePolicy(
qtw.QSizePolicy.MinimumExpanding,
qtw.QSizePolicy.MinimumExpanding
)
self.mainGroupBox.setSizePolicy(
qtw.QSizePolicy.Maximum,
qtw.QSizePolicy.Maximum
)
# Connect signals and slots ------------------------------------------------------------------
self.loadPushButton.clicked.connect(self.openFile)
self.sigmaSpinBox.valueChanged.connect(lambda s: self.changeSigma(s))
self.radiusSpinBox.valueChanged.connect(lambda s: self.changeRadius(s))
self.threshSpinBox.valueChanged.connect(lambda s: self.changeThreshold(s))
self.brightnessSpinBox.valueChanged.connect(lambda s: self.changeBrightness(s))
self.sliceSpinBox.valueChanged.connect(lambda s: self.changeSlice(s))
self.windowSpinBox.valueChanged.connect(lambda s: self.changeWindow(s))
self.levelSpinBox.valueChanged.connect(lambda s: self.changeLevel(s))
self.lesionPushButton.clicked.connect(self.addLesion)
self.savePushButton.clicked.connect(self.saveLesion)
self.deletePushButton.clicked.connect(self.deleteLesion)
self.resetPushButton.clicked.connect(self.resetContour)
self.saveCropPushButton.clicked.connect(self.saveCrop)
self.confirmCropPushButton.clicked.connect(self.confirmCrop)
self.addCropPushButton.clicked.connect(self.addCrop)
self.initRenderWindow()
# Menu actions
open_action.triggered.connect(self.openFile)
about_action.triggered.connect(self.about)
quit_action.triggered.connect(self.quit)
self.pipe = None
# End main UI code
self.show()
########################################
# Define methods for controlling GUI
########################################
def centreWindow(self):
qr = self.frameGeometry()
cp = qtw.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
def initRenderWindow(self):
# Create renderer
self.renderer = vtk.vtkRenderer()
self.renderer.SetBackground((.2, .2, .2)) # grey
# Create interactor
self.renWin = self.vtkWidget.GetRenderWindow()
self.renWin.AddRenderer(self.renderer)
self.iren = self.renWin.GetInteractor()
self.iren.RemoveObservers("LeftButtonPressEvent")
#self.iren.SetInteractorStyle(vtk.vtkInteractorStyleImage().SetInteractionModeToImage3D())
#self.iren.SetInteractorStyle(vtk.vtkInteractorStyleTerrain())
#self.iren.SetInteractorStyle(vtk.vtkInteractionModeToImage)
# Initialize
self.iren.Initialize()
self.iren.Start()
def refreshRenderWindow(self):
self.renWin.Render()
self.iren.Render()
def createPipeline(self, _filename):
# Read in the file
if _filename.lower().endswith('.nii'):
self.reader = vtk.vtkNIFTIImageReader()
self.reader.SetFileName(_filename)
elif _filename.lower().endswith('.nii.gz'):
self.reader = vtk.vtkNIFTIImageReader()
self.reader.SetFileName(_filename)
elif _filename.lower().endswith('.dcm'):
self.reader = vtk.vtkDICOMImageReader()
self.reader.SetDirectoryName(os.path.dirname(_filename))
elif os.path.isdir(_filename):
self.reader = vtk.vtkDICOMImageReader()
self.reader.SetDirectoryName(_filename)
if self.reader is None:
os.sys.exit("[ERROR] Cannot find reader for file \"{}\"".format(self.filename))
self.reader.Update()
#global threshold
self.threshold.SetInputConnection(self.reader.GetOutputPort())
self.threshold.ThresholdByUpper(self.thresh)
self.threshold.SetInValue(1)
self.threshold.SetOutValue(0)
self.threshold.Update()
#self.read_dictionary()
self.convertImageData()
self.convertThresholdData()
self.initializeLesion()
#Gaussian smoothing
self.gauss.SetStandardDeviation(self.gaussian, self.gaussian, self.gaussian)
self.gauss.SetRadiusFactors(self.radius, self.radius, self.radius)
self.gauss.SetInputData(self.lesion)
lookupTable = vtk.vtkLookupTable()
lookupTable.SetNumberOfTableValues(2)
lookupTable.SetRange(0.0,1.0)
lookupTable.SetTableValue( 0, 0.0, 0.0, 0.0, 0.0 ) #label outRangeValue is transparent
lookupTable.SetTableValue( 1, 0.0, 1.0, 0.0, 1.0 ) #label inRangeValue is opaque and green
lookupTable.Build()
self.mapToColors.SetLookupTable(lookupTable)
self.mapToColors.PassAlphaToOutputOn()
self.mapToColors.SetInputConnection(self.threshold.GetOutputPort())
#Resize segmented image
self.resizeSeg.SetInputConnection(self.mapToColors.GetOutputPort())
self.resizeSeg.SetResizeMethodToMagnificationFactors()
self.resizeSeg.SetMagnificationFactors(self.zoom,self.zoom,0)
# Resize original image
self.resizeImage.SetInputConnection(self.gauss.GetOutputPort())
self.resizeImage.SetResizeMethodToMagnificationFactors()
self.resizeImage.SetMagnificationFactors(self.zoom,self.zoom,0)
#
self.imageViewer.SetInputConnection(self.resizeImage.GetOutputPort())
#self.imageViewer.SetSliceOrientationToXZ()
self.imageViewer.SetRenderWindow(self.renWin)
self.imageViewer.SetSlice(self.zSlice)
self.imageViewer.Render()
# pklace contour on plane aligned with image actor
self.placer.SetImageActor(self.imageViewer.GetImageActor())
self.contourRep.SetPointPlacer(self.placer)
self.contourRep.GetProperty().SetColor(0,1,0)
self.contourRep.GetLinesProperty().SetColor(0,1,0)
#contour widget
self.contourWidget.SetRepresentation(self.contourRep)
self.contourWidget.SetInteractor(self.iren)
self.contourWidget.FollowCursorOn()
self.contourWidget.SetContinuousDraw(1)
self.contourWidget.SetEnabled(True)
self.contourWidget.ProcessEventsOn()
self.contourWidget.CloseLoop()
self.refreshRenderWindow()
return
def read_dictionary(self):
# read predefined dictionary of shapes for
file = open('../Image_Datasets/shape_dic.pkl', 'rb')
shape_dic = pickle.load(file)
file.close()
self.shape_dic = shape_dic
return
def resetContour(self):
#self.contourRep.ClearAllNodes()
#self.contourWidget.ResetAction()
self.contourWidget.Initialize()
self.refreshRenderWindow()
return
def convertImageData(self):
# convert vtk image data to numpy array
self.reader.Update()
imageData = self.reader.GetOutput()
imageDataArray = imageData.GetPointData().GetScalars()
imageArray = vtk_to_numpy(imageDataArray).reshape(imageData.GetDimensions(), order='F')
self.imageArray = imageArray
return
def convertThresholdData(self):
# convert thresholding mask for analysis
self.threshold.Update()
thresholdData = self.threshold.GetOutput()
thresholdDataArray = thresholdData.GetPointData().GetScalars()
thresholdArray = vtk_to_numpy(thresholdDataArray).reshape(thresholdData.GetDimensions(), order='F')
self.thresholdArray = thresholdArray
return
def initializeLesion(self):
self.reader.Update()
self.lesion.CopyStructure(self.reader.GetOutput())
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=
self.imageArray.ravel(order='F'),
deep=True))
def saveCrop(self):
global nodes
state = self.contourWidget.GetWidgetState()
dim = self.reader.GetOutput().GetDimensions()
self.zSlice = self.imageViewer.GetSlice()
if state == 0:
self.statusBar().showMessage(f"Draw lesion before saving",4000)
elif state == 2:
self.polyData = self.contourRep.GetContourRepresentationAsPolyData()
nodes = vtk_to_numpy(self.polyData.GetPoints().GetData())
mask = np.zeros([dim[0],dim[1]])
contour = np.floor(nodes).astype(int)
mask[contour[:,0], contour[:,1]] = 1
binary = ndimage.morphology.binary_fill_holes(mask)
self.shape = binary
plt.figure()
plt.imshow(binary)
plt.gca().invert_yaxis()
plt.show()
crop = self.imageArray[:,:,self.zSlice][binary]
self.crop = crop
return
def confirmCrop(self):
global nodes
state = self.contourWidget.GetWidgetState()
dim = self.reader.GetOutput().GetDimensions()
if state == 0:
self.statusBar().showMessage(f"Draw lesion before saving",4000)
elif state == 2:
self.polyData = self.contourRep.GetContourRepresentationAsPolyData()
nodes = vtk_to_numpy(self.polyData.GetPoints().GetData())
mask = np.zeros([dim[0],dim[1]])
contour = np.floor(nodes).astype(int)
mask[contour[:,0], contour[:,1]] = 1
binary = ndimage.morphology.binary_fill_holes(mask)
self.shape = binary
plt.figure()
plt.imshow(binary)
plt.gca().invert_yaxis()
plt.show()
def addCrop(self):
state = self.contourWidget.GetWidgetState()
if state == 0:
self.statusBar().showMessage(f"Draw and save lesion before adding to slice",4000)
else:
#add lesion to current zSlice
self.zSlice = self.imageViewer.GetSlice()
lesionDataArray = self.lesion.GetPointData().GetScalars()
lesionArray = vtk_to_numpy(lesionDataArray).reshape(self.lesion.GetDimensions(), order='F')
img_slice = lesionArray[:,:,self.zSlice]
if self.shape.shape[0] != img_slice.shape[0]:
self.shape = np.transpose(self.shape)
idx = min([img_slice[self.shape].shape, self.crop.shape])[0]
#normalize cropped value
MAX = img_slice.max()
MIN = img_slice.min()
#img_slice[self.shape][:idx] = self.crop[:idx]
if img_slice[self.shape].shape < self.crop.shape:
img_slice[self.shape]= self.crop[:idx]#* (MAX - MIN) / MAX
else:
img_slice[self.shape][:idx] = self.crop
self.lesion.CopyStructure(self.reader.GetOutput())
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=
lesionArray.ravel(order='F'),
deep=True))
#self.lesion_dic[self.zSlice] = self.shape
self.refreshRenderWindow()
def saveLesion(self):
global nodes
state = self.contourWidget.GetWidgetState()
dim = self.reader.GetOutput().GetDimensions()
print(dim)
if state == 0:
self.statusBar().showMessage(f"Draw lesion before saving",4000)
elif state == 2:
print(dim)
#self.contourRep.SetWorldTolerance(0.00001)
self.polyData = self.contourRep.GetContourRepresentationAsPolyData()
print(self.contourRep.GetWorldTolerance())
nodes = vtk_to_numpy(self.polyData.GetPoints().GetData())
#print(nodes)
mask = np.zeros([dim[0],dim[1]])
contour = np.floor(nodes).astype(int)
mask[contour[:,0], contour[:,1]] = 1
binary = ndimage.morphology.binary_fill_holes(mask)
print(contour)
plt.figure()
plt.imshow(binary)
plt.gca().invert_yaxis()
plt.show()
self.shape = binary
self.statusBar().showMessage(f"Lesion saved to dictionary",4000)
return
def deleteLesion(self):
self.zSlice = self.imageViewer.GetSlice()
if self.zSlice in self.lesion_dic:
self.threshold.Update()
lesionDataArray = self.lesion.GetPointData().GetScalars()
lesionArray = vtk_to_numpy(lesionDataArray).reshape(self.lesion.GetDimensions(), order='F')
lesionArray[:,:,self.zSlice] = self.imageArray[:,:,self.zSlice]
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=lesionArray.ravel(order='F'),
deep=True))
self.refreshRenderWindow()
return
def addLesion(self):
state = self.contourWidget.GetWidgetState()
if state == 0:
self.statusBar().showMessage(f"Draw and save lesion before adding to slice",4000)
else:
#add lesion to current zSlice
self.zSlice = self.imageViewer.GetSlice()
lesionDataArray = self.lesion.GetPointData().GetScalars()
lesionArray = vtk_to_numpy(lesionDataArray).reshape(self.lesion.GetDimensions(), order='F')
img_slice = lesionArray[:,:,self.zSlice]
if self.shape.shape[0] != img_slice.shape[0]:
self.shape = np.transpose(self.shape)
img_slice[self.shape] = self.brightness
self.lesion.CopyStructure(self.reader.GetOutput())
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=
lesionArray.ravel(order='F'),
deep=True))
self.lesion_dic[self.zSlice] = self.shape
self.refreshRenderWindow()
def addLesion1(self):
state = self.contourWidget.GetWidgetState()
if state == 0:
self.statusBar().showMessage(f"Draw and save lesion before adding to slice",4000)
else:
#add lesion to current zSlice
self.zSlice = self.imageViewer.GetSlice()
lesionDataArray = self.lesion.GetPointData().GetScalars()
lesionArray = vtk_to_numpy(lesionDataArray).reshape(self.lesion.GetDimensions(), order='F')
img_slice = lesionArray[:,:,self.zSlice]
if self.shape.shape[0] != img_slice.shape[0]:
self.shape = np.transpose(self.shape)
img_slice[self.shape] = self.brightness
self.lesion.CopyStructure(self.reader.GetOutput())
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=
lesionArray.ravel(order='F'),
deep=True))
self.lesion_dic[self.zSlice] = self.shape
self.refreshRenderWindow()
def adjustBrightness(self):
self.zSlice = self.imageViewer.GetSlice()
lesionDataArray = self.lesion.GetPointData().GetScalars()
lesionArray = vtk_to_numpy(lesionDataArray).reshape(self.lesion.GetDimensions(), order='F')
if self.zSlice in self.lesion_dic:
self.shape = self.lesion_dic[self.zSlice]
#x1,x2,y1,y2 = lesionParams[-4:]
#image_cut = lesionParams[0]
#random_shape = lesionParams[1]
#imageData = self.lesion
#imageDataArray = imageData.GetPointData().GetScalars()
#imageArray = vtk_to_numpy(imageDataArray).reshape(imageData.GetDimensions(), order='F')
img_slice = lesionArray[:,:,self.zSlice]
img_slice[self.shape] = self.brightness
#imageArray[x1:x2,y1:y2,zSlice] = image_cut
self.lesion.GetPointData().SetScalars(numpy_to_vtk(num_array=lesionArray.ravel(order='F'),
deep=True))
self.refreshRenderWindow()
return
def changeSigma(self, _value):
self.gauss.SetStandardDeviation(_value, _value, _value)
self.statusBar().showMessage(f"Changing standard deviation to {_value}",4000)
self.refreshRenderWindow()
return
def changeRadius(self, _value):
self.gauss.SetRadiusFactors(_value, _value, _value)
self.statusBar().showMessage(f"Changing radius to {_value}",4000)
self.refreshRenderWindow()
return
def changeThreshold(self, _value):
self.threshold.ThresholdByUpper(_value)
self.statusBar().showMessage(f"Changing threshold to {_value}",4000)
self.refreshRenderWindow()
return
def changeBrightness(self, _value):
self.brightness = _value
self.adjustBrightness()
self.statusBar().showMessage(f"Changing lesion brightness to {_value}",4000)
self.refreshRenderWindow()
return
def changeSlice(self, _value):
self.zSlice = _value
self.imageViewer.SetSlice(self.zSlice)
self.statusBar().showMessage(f"Changing zSlice to {_value}",4000)
self.refreshRenderWindow()
return
def changeLevel(self, _value):
self.colorLevel = _value
self.imageViewer.SetColorLevel(self.colorLevel)
self.refreshRenderWindow()
return
def changeWindow(self, _value):
self.colorWindow = _value
self.imageViewer.SetColorWindow(self.colorWindow)
self.refreshRenderWindow()
return
def validExtension(self, extension):
if (extension == ".nii" or \
extension == ".dcm" or \
extension == ".gz"):
return True
else:
return False
def openFile(self):
self.statusBar().showMessage("Load image types (.nii, .dcm)",4000)
filename, _ = qtw.QFileDialog.getOpenFileName(
self,
"Select a 3D image file to open…",
qtc.QDir.homePath(),
"Nifti Files (*.nii) ;;DICOM Files (*.dcm) ;;All Files (*)",
"All Files (*)",
qtw.QFileDialog.DontUseNativeDialog |
qtw.QFileDialog.DontResolveSymlinks
)
if filename:
_,ext = os.path.splitext(filename)
if not (self.validExtension(ext.lower())):
qtw.QMessageBox.warning(self, "Error", "Invalid file type.")
return
self.createPipeline(filename)
self.statusBar().showMessage("Loading file " + filename,4000)
return
def quit(self):
reply = qtw.QMessageBox.question(self, "Message",
"Are you sure you want to quit?", qtw.QMessageBox.Yes |
qtw.QMessageBox.No, qtw.QMessageBox.Yes)
if reply == qtw.QMessageBox.Yes:
exit(0)
def about(self):
about = qtw.QMessageBox(self)
about.setText("QtBasic 1.0")
about.setInformativeText("Copyright (C) 2021\nBone Imaging Laboratory\nAll rights reserved.\[email protected]")
about.setStandardButtons(qtw.QMessageBox.Ok | qtw.QMessageBox.Cancel)
about.exec_()
class MainWindow(qtw.QMainWindow):
def __init__(self, input_file, gaussian, radius, isosurface, window_size,
*args, **kwargs):
"""MainWindow constructor"""
super().__init__(*args, **kwargs)
# Window setup
self.resize(window_size[0], window_size[1])
self.title = "Basic Qt Viewer for MDSC 689.03"
self.statusBar().showMessage("Welcome.", 8000)
# Capture defaults
self.gaussian = gaussian
self.radius = radius
self.isosurface = isosurface
# Initialize the window
self.initUI()
# Set up some VTK pipeline classes
self.reader = None
self.gauss = vtk.vtkImageGaussianSmooth()
self.marchingCubes = vtk.vtkImageMarchingCubes()
self.mapper = vtk.vtkPolyDataMapper()
self.actor = vtk.vtkActor()
# Take inputs from command line. Only use these if there is an input file specified
if (input_file != None):
if (not os.path.exists(input_file)):
qtw.QMessageBox.warning(self, "Error", "Invalid input file.")
return
#_,ext = os.path.splitext(input_file)
#if not (self.validExtension(ext.lower())):
# qtw.QMessageBox.warning(self, "Error", "Invalid file type.")
# return
self.createPipeline(input_file)
self.statusBar().showMessage("Loading file " + input_file, 4000)
self.changeSigma(gaussian)
self.changeRadius(radius)
self.changeIsosurface(isosurface)
def initUI(self):
########################################
# Create Widgets
########################################
self.loadPushButton = qtw.QPushButton(
"Load Image",
self,
objectName="loadPushButton",
shortcut=qtg.QKeySequence("Ctrl+f"))
self.sigmaSpinBox = qtw.QDoubleSpinBox(self,
objectName="sigmaSpinBox",
value=self.gaussian,
decimals=1,
maximum=20.0,
minimum=0.1,
singleStep=0.1,
keyboardTracking=False)
self.radiusSpinBox = qtw.QSpinBox(self,
objectName="radiusSpinBox",
value=self.radius,
maximum=20,
minimum=1,
singleStep=1,
keyboardTracking=False)
self.isosurfaceSpinBox = qtw.QSpinBox(self,
objectName="isosurfaceSpinBox",
value=self.isosurface,
maximum=32768,
minimum=0,
singleStep=1,
keyboardTracking=False)
# Create the menu options --------------------------------------------------------------------
menubar = qtw.QMenuBar()
self.setMenuBar(menubar)
menubar.setNativeMenuBar(False)
file_menu = menubar.addMenu("File")
open_action = file_menu.addAction("Open Image")
file_menu.addSeparator()
about_action = file_menu.addAction("About")
quit_action = file_menu.addAction("Quit")
# Lay out the GUI ----------------------------------------------------------------------------
self.mainGroupBox = qtw.QGroupBox("Image Controls")
self.mainGroupBox.setLayout(qtw.QHBoxLayout())
self.isosurfaceGroupBox = qtw.QGroupBox("Isosurface controls")
self.isosurfaceGroupBox.setLayout(qtw.QVBoxLayout())
self.isosurfaceFormLayout = qtw.QFormLayout()
self.isosurfaceFormLayout.addRow("Sigma", self.sigmaSpinBox)
self.isosurfaceFormLayout.addRow("Radius", self.radiusSpinBox)
self.isosurfaceFormLayout.addRow("Isosurface", self.isosurfaceSpinBox)
self.isosurfaceGroupBox.layout().addLayout(self.isosurfaceFormLayout)
self.mainGroupBox.layout().addWidget(self.loadPushButton)
self.mainGroupBox.layout().addWidget(self.isosurfaceGroupBox)
# Assemble the side control panel and put it in a QPanel widget ------------------------------
self.panel = qtw.QVBoxLayout()
self.panel.addWidget(self.mainGroupBox)
self.panelWidget = qtw.QFrame()
self.panelWidget.setLayout(self.panel)
# Create the VTK rendering window ------------------------------------------------------------
self.vtkWidget = QVTKRenderWindowInteractor()
self.vtkWidget.AddObserver("ExitEvent", lambda o, e, a=self: a.quit())
self.vtkWidget.AddObserver("KeyReleaseEvent", self.keyEventDetected)
self.vtkWidget.AddObserver("LeftButtonPressEvent",
self.mouseEventDetected)
# Create main layout and add VTK window and control panel
self.mainLayout = qtw.QHBoxLayout()
self.mainLayout.addWidget(self.vtkWidget, 4)
self.mainLayout.addWidget(self.panelWidget, 1)
self.frame = qtw.QFrame()
self.frame.setLayout(self.mainLayout)
self.setCentralWidget(self.frame)
self.setWindowTitle(self.title)
self.centreWindow()
# Set size policies --------------------------------------------------------------------------
self.sigmaSpinBox.setMinimumSize(70, 20)
self.radiusSpinBox.setMinimumSize(70, 20)
self.isosurfaceSpinBox.setMinimumSize(70, 20)
self.mainGroupBox.setMaximumSize(1000, 200)
self.vtkWidget.setSizePolicy(qtw.QSizePolicy.MinimumExpanding,
qtw.QSizePolicy.MinimumExpanding)
self.mainGroupBox.setSizePolicy(qtw.QSizePolicy.Maximum,
qtw.QSizePolicy.Maximum)
# Connect signals and slots ------------------------------------------------------------------
self.loadPushButton.clicked.connect(self.openFile)
self.sigmaSpinBox.valueChanged.connect(lambda s: self.changeSigma(s))
self.radiusSpinBox.valueChanged.connect(lambda s: self.changeRadius(s))
self.isosurfaceSpinBox.valueChanged.connect(
lambda s: self.changeIsosurface(s))
self.initRenderWindow()
# Menu actions
open_action.triggered.connect(self.openFile)
about_action.triggered.connect(self.about)
quit_action.triggered.connect(self.quit)
self.pipe = None
# End main UI code
self.show()
########################################
# Define methods for controlling GUI
########################################
def centreWindow(self):
qr = self.frameGeometry()
cp = qtw.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
def initRenderWindow(self):
# Create renderer
self.renderer = vtk.vtkRenderer()
self.renderer.SetBackground(
(0.000, 0.000, 204.0 / 255.0)) # Scanco blue
# Create interactor
self.renWin = self.vtkWidget.GetRenderWindow()
self.renWin.AddRenderer(self.renderer)
self.iren = self.renWin.GetInteractor()
self.iren.SetInteractorStyle(vtk.vtkInteractorStyleTrackballCamera())
# Initialize
self.iren.Initialize()
self.iren.Start()
def createPipeline(self, _filename):
# Read in the file
if _filename.lower().endswith('.nii'):
self.reader = vtk.vtkNIFTIImageReader()
self.reader.SetFileName(_filename)
elif _filename.lower().endswith('.nii.gz'):
self.reader = vtk.vtkNIFTIImageReader()
self.reader.SetFileName(_filename)
elif _filename.lower().endswith('.dcm'):
self.reader = vtk.vtkDICOMImageReader()
self.reader.SetDirectoryName(os.path.dirname(_filename))
elif os.path.isdir(_filename):
self.reader = vtk.vtkDICOMImageReader()
self.reader.SetDirectoryName(_filename)
if self.reader is None:
os.sys.exit("[ERROR] Cannot find reader for file \"{}\"".format(
self.filename))
self.reader.Update()
# Gaussian smoothing
self.gauss.SetStandardDeviation(self.gaussian, self.gaussian,
self.gaussian)
self.gauss.SetRadiusFactors(self.radius, self.radius, self.radius)
self.gauss.SetInputConnection(self.reader.GetOutputPort())
# Marching Cubes
self.marchingCubes.SetInputConnection(self.gauss.GetOutputPort())
self.marchingCubes.ComputeGradientsOn()
self.marchingCubes.ComputeNormalsOn()
self.marchingCubes.ComputeScalarsOff()
self.marchingCubes.SetNumberOfContours(1)
self.marchingCubes.SetValue(0, self.isosurface)
# Set mapper for image data
self.mapper.SetInputConnection(self.marchingCubes.GetOutputPort())
# Actor
self.actor.SetMapper(self.mapper)
self.actor.GetProperty().SetColor((0.890, 0.855, 0.788))
self.renderer.AddActor(self.actor)
self.refreshRenderWindow()
return
def changeSigma(self, _value):
self.gauss.SetStandardDeviation(_value, _value, _value)
self.statusBar().showMessage(
f"Changing standard deviation to {_value}", 4000)
self.refreshRenderWindow()
return
def changeRadius(self, _value):
self.gauss.SetRadiusFactors(_value, _value, _value)
self.statusBar().showMessage(f"Changing radius to {_value}", 4000)
self.refreshRenderWindow()
return
def changeIsosurface(self, _value):
self.marchingCubes.SetValue(0, _value)
self.statusBar().showMessage(f"Changing isosurface to {_value}", 4000)
self.refreshRenderWindow()
return
def keyEventDetected(self, obj, event):
key = self.vtkWidget.GetKeySym()
print("key press – clicked " + key + "!")
return
def mouseEventDetected(self, obj, event):
print("mouse press – click!")
return
def validExtension(self, extension):
if (extension == ".nii" or \
extension == ".dcm"):
return True
else:
return False
def openFile(self):
self.statusBar().showMessage("Load image types (.nii, .dcm)", 4000)
filename, _ = qtw.QFileDialog.getOpenFileName(
self, "Select a 3D image file to open…", qtc.QDir.homePath(),
"Nifti Files (*.nii) ;;DICOM Files (*.dcm) ;;All Files (*)",
"All Files (*)", qtw.QFileDialog.DontUseNativeDialog
| qtw.QFileDialog.DontResolveSymlinks)
if filename:
_, ext = os.path.splitext(filename)
if not (self.validExtension(ext.lower())):
qtw.QMessageBox.warning(self, "Error", "Invalid file type.")
return
self.createPipeline(filename)
self.statusBar().showMessage("Loading file " + filename, 4000)
return
def quit(self):
reply = qtw.QMessageBox.question(
self, "Message", "Are you sure you want to quit?",
qtw.QMessageBox.Yes | qtw.QMessageBox.No, qtw.QMessageBox.Yes)
if reply == qtw.QMessageBox.Yes:
exit(0)
def about(self):
about = qtw.QMessageBox(self)
about.setText("blQtBasic 1.0")
about.setInformativeText(
"Copyright (C) 2021\nBone Imaging Laboratory\nAll rights reserved.\[email protected]"
)
about.setStandardButtons(qtw.QMessageBox.Ok | qtw.QMessageBox.Cancel)
about.exec_()
class MeshWindow(PluginWindowBase):
"""
Window for displaying the mesh
"""
fileLoaded = QtCore.pyqtSignal(object)
boundsChanged = QtCore.pyqtSignal(list)
SIDESET_CLR = QtGui.QColor(255, 173, 79)
SIDESET_EDGE_CLR = QtGui.QColor(26, 26, 102)
SIDESET_EDGE_WIDTH = 5
NODESET_CLR = QtGui.QColor(168, 91, 2)
SELECTION_CLR = QtGui.QColor(255, 173, 79)
SELECTION_EDGE_CLR = QtGui.QColor(179, 95, 0)
SHADED = 0
SHADED_WITH_EDGES = 1
HIDDEN_EDGES_REMOVED = 2
TRANSLUENT = 3
MODE_SELECT_BLOCKS = 0
MODE_SELECT_CELLS = 1
MODE_SELECT_POINTS = 2
COLOR_PROFILE_DEFAULT = 0
COLOR_PROFILE_LIGHT = 1
COLOR_PROFILE_DARK = 2
def __init__(self, plugin):
super().__init__(plugin)
self._load_thread = None
self._progress = None
self._file_name = None
self._file_watcher = QtCore.QFileSystemWatcher()
self._selected_block = None
self.setupWidgets()
self.setupMenuBar()
self.updateWindowTitle()
self.updateMenuBar()
self.loadColorProfiles()
self.setAcceptDrops(True)
self.connectSignals()
self.setupVtk()
self.setColorProfile()
self._vtk_interactor.Initialize()
self._vtk_interactor.Start()
self._setupOrientationMarker()
self._setupCubeAxesActor()
self.clear()
self.show()
self._update_timer = QtCore.QTimer()
self._update_timer.timeout.connect(self.onUpdateWindow)
self._update_timer.start(250)
QtCore.QTimer.singleShot(1, self._updateViewModeLocation)
def setupWidgets(self):
self._vtk_widget = QVTKRenderWindowInteractor(self)
self._vtk_renderer = vtk.vtkRenderer()
self._vtk_widget.GetRenderWindow().AddRenderer(self._vtk_renderer)
self.setCentralWidget(self._vtk_widget)
self._info_window = InfoWindow(self.plugin, self)
self._info_window.show()
self.setupViewModeWidget(self)
self.setupFileChangedNotificationWidget()
self._selected_mesh_ent_info = SelectedMeshEntityInfoWidget(self)
self._selected_mesh_ent_info.setVisible(False)
self.deselect_sc = QtWidgets.QShortcut(
QtGui.QKeySequence(QtCore.Qt.Key_Space), self)
self.deselect_sc.activated.connect(self.onDeselect)
self.setupExplodeWidgets()
def setupViewModeWidget(self, frame):
self._view_menu = QtWidgets.QMenu()
self._shaded_action = self._view_menu.addAction("Shaded")
self._shaded_action.setCheckable(True)
self._shaded_action.setShortcut("Ctrl+1")
self._shaded_w_edges_action = self._view_menu.addAction(
"Shaded with edges")
self._shaded_w_edges_action.setCheckable(True)
self._shaded_w_edges_action.setShortcut("Ctrl+2")
self._hidden_edges_removed_action = self._view_menu.addAction(
"Hidden edges removed")
self._hidden_edges_removed_action.setCheckable(True)
self._hidden_edges_removed_action.setShortcut("Ctrl+3")
self._transluent_action = self._view_menu.addAction("Transluent")
self._transluent_action.setCheckable(True)
self._transluent_action.setShortcut("Ctrl+4")
self._shaded_w_edges_action.setChecked(True)
self._render_mode = self.SHADED_WITH_EDGES
self._visual_repr = QtWidgets.QActionGroup(self._view_menu)
self._visual_repr.addAction(self._shaded_action)
self._visual_repr.addAction(self._shaded_w_edges_action)
self._visual_repr.addAction(self._hidden_edges_removed_action)
self._visual_repr.addAction(self._transluent_action)
self._visual_repr.setExclusive(True)
self._view_menu.addSeparator()
self._perspective_action = self._view_menu.addAction("Perspective")
self._perspective_action.setCheckable(True)
self._perspective_action.setChecked(True)
self._view_menu.addSeparator()
self._ori_marker_action = self._view_menu.addAction(
"Orientation marker")
self._ori_marker_action.setCheckable(True)
self._ori_marker_action.setChecked(True)
self._shaded_action.triggered.connect(self.onShadedTriggered)
self._shaded_w_edges_action.triggered.connect(
self.onShadedWithEdgesTriggered)
self._hidden_edges_removed_action.triggered.connect(
self.onHiddenEdgesRemovedTriggered)
self._transluent_action.triggered.connect(self.onTransluentTriggered)
self._perspective_action.toggled.connect(self.onPerspectiveToggled)
self._ori_marker_action.toggled.connect(
self.onOrientationmarkerVisibilityChanged)
self._view_mode = QtWidgets.QPushButton(frame)
self._view_mode.setFixedSize(60, 32)
self._view_mode.setIcon(Assets().icons['render-mode'])
self._view_mode.setMenu(self._view_menu)
self._view_mode.show()
def setupFileChangedNotificationWidget(self):
self._file_changed_notification = FileChangedNotificationWidget(self)
self._file_changed_notification.setVisible(False)
self._file_changed_notification.reload.connect(self.onReloadFile)
def setupMenuBar(self):
file_menu = self._menubar.addMenu("File")
self._new_action = file_menu.addAction("New", self.onNewFile, "Ctrl+N")
self._open_action = file_menu.addAction("Open", self.onOpenFile,
"Ctrl+O")
self._recent_menu = file_menu.addMenu("Open Recent")
self.buildRecentFilesMenu()
file_menu.addSeparator()
export_menu = file_menu.addMenu("Export as...")
self.setupExportMenu(export_menu)
file_menu.addSeparator()
self._close_action = file_menu.addAction("Close", self.onClose,
"Ctrl+W")
view_menu = self._menubar.addMenu("View")
view_menu.addAction(self._shaded_action)
view_menu.addAction(self._shaded_w_edges_action)
view_menu.addAction(self._hidden_edges_removed_action)
view_menu.addAction(self._transluent_action)
view_menu.addSeparator()
self._view_info_wnd_action = view_menu.addAction(
"Info window", self.onViewInfoWindow)
self._view_info_wnd_action.setCheckable(True)
color_profile_menu = view_menu.addMenu("Color profile")
self.setupColorProfileMenu(color_profile_menu)
tools_menu = self._menubar.addMenu("Tools")
self.setupSelectModeMenu(tools_menu)
self._tools_explode_action = tools_menu.addAction(
"Explode", self.onToolsExplode)
def setupExportMenu(self, menu):
menu.addAction("PNG...", self.onExportAsPng)
menu.addAction("JPG...", self.onExportAsJpg)
def setupColorProfileMenu(self, menu):
self._color_profile_action_group = QtWidgets.QActionGroup(self)
self._color_profile_id = self.plugin.settings.value(
"color_profile", self.COLOR_PROFILE_DEFAULT)
color_profiles = [{
'name': 'Default',
'id': self.COLOR_PROFILE_DEFAULT
}, {
'name': 'Light',
'id': self.COLOR_PROFILE_LIGHT
}, {
'name': 'Dark',
'id': self.COLOR_PROFILE_DARK
}]
for cp in color_profiles:
name = cp['name']
id = cp['id']
action = menu.addAction(name)
action.setCheckable(True)
action.setData(id)
self._color_profile_action_group.addAction(action)
if id == self._color_profile_id:
action.setChecked(True)
self._color_profile_action_group.triggered.connect(
self.onColorProfileTriggered)
def setupSelectModeMenu(self, tools_menu):
select_menu = tools_menu.addMenu("Select mode")
self._mode_select_action_group = QtWidgets.QActionGroup(self)
self._select_mode = self.plugin.settings.value("tools/select_mode",
self.MODE_SELECT_BLOCKS)
mode_actions = [{
'name': 'Blocks',
'mode': self.MODE_SELECT_BLOCKS
}, {
'name': 'Cells',
'mode': self.MODE_SELECT_CELLS
}, {
'name': 'Points',
'mode': self.MODE_SELECT_POINTS
}]
for ma in mode_actions:
name = ma['name']
mode = ma['mode']
action = select_menu.addAction(name)
action.setCheckable(True)
action.setData(mode)
self._mode_select_action_group.addAction(action)
if mode == self._select_mode:
action.setChecked(True)
self._mode_select_action_group.triggered.connect(
self.onSelectModeTriggered)
def setupExplodeWidgets(self):
self._explode = ExplodeWidget(self)
self._explode.valueChanged.connect(self.onExplodeValueChanged)
self._explode.setVisible(False)
def updateMenuBar(self):
self._view_info_wnd_action.setChecked(self._info_window.isVisible())
self._tools_explode_action.setEnabled(self._file_name is not None)
def connectSignals(self):
self.fileLoaded.connect(self._info_window.onFileLoaded)
self.boundsChanged.connect(self._info_window.onBoundsChanged)
self._info_window.blockVisibilityChanged.connect(
self.onBlockVisibilityChanged)
self._info_window.blockColorChanged.connect(self.onBlockColorChanged)
self._info_window.blockSelectionChanged.connect(
self.onBlockSelectionChanged)
self._info_window.sidesetVisibilityChanged.connect(
self.onSidesetVisibilityChanged)
self._info_window.sidesetSelectionChanged.connect(
self.onSidesetSelectionChanged)
self._info_window.nodesetVisibilityChanged.connect(
self.onNodesetVisibilityChanged)
self._info_window.nodesetSelectionChanged.connect(
self.onNodesetSelectionChanged)
self._info_window.dimensionsStateChanged.connect(
self.onCubeAxisVisibilityChanged)
self._file_watcher.fileChanged.connect(self.onFileChanged)
def setupVtk(self):
self._vtk_render_window = self._vtk_widget.GetRenderWindow()
self._vtk_interactor = self._vtk_render_window.GetInteractor()
self._vtk_interactor.SetInteractorStyle(OtterInteractorStyle3D(self))
# TODO: set background from preferences/templates
self._vtk_renderer.SetGradientBackground(True)
# set anti-aliasing on
self._vtk_renderer.SetUseFXAA(True)
self._vtk_render_window.SetMultiSamples(1)
self._vtk_widget.AddObserver('StartInteractionEvent',
self.onStartInteraction)
self._vtk_widget.AddObserver('EndInteractionEvent',
self.onEndInteraction)
def resizeEvent(self, event):
super().resizeEvent(event)
self._updateViewModeLocation()
def getRenderWindowWidth(self):
return self.geometry().width()
def _updateViewModeLocation(self):
width = self.getRenderWindowWidth()
self._view_mode.move(width - 5 - self._view_mode.width(), 10)
def onStartInteraction(self, obj, event):
pass
def onEndInteraction(self, obj, event):
pass
def dragEnterEvent(self, event):
if event.mimeData().hasUrls():
event.accept()
else:
event.ignore()
def dropEvent(self, event):
if event.mimeData().hasUrls():
event.setDropAction(QtCore.Qt.CopyAction)
event.accept()
file_names = []
for url in event.mimeData().urls():
file_names.append(url.toLocalFile())
if len(file_names) > 0:
self.loadFile(file_names[0])
else:
event.ignore()
def clear(self):
self._blocks = {}
self._side_sets = {}
self._node_sets = {}
self._vtk_renderer.RemoveAllViewProps()
watched_files = self._file_watcher.files()
for file in watched_files:
self._file_watcher.removePath(file)
self._selection = None
def loadFile(self, file_name):
self.clear()
self._progress = QtWidgets.QProgressDialog(
"Loading {}...".format(os.path.basename(file_name)), None, 0, 0,
self)
self._progress.setWindowModality(QtCore.Qt.WindowModal)
self._progress.setMinimumDuration(0)
self._progress.show()
self._load_thread = LoadThread(file_name)
self._load_thread.finished.connect(self.onLoadFinished)
self._load_thread.start(QtCore.QThread.IdlePriority)
def onLoadFinished(self):
reader = self._load_thread.getReader()
self._addBlocks()
self._addSidesets()
self._addNodeSets()
gmin = QtGui.QVector3D(float('inf'), float('inf'), float('inf'))
gmax = QtGui.QVector3D(float('-inf'), float('-inf'), float('-inf'))
for block in self._blocks.values():
bmin, bmax = block.bounds
gmin = common.point_min(bmin, gmin)
gmax = common.point_max(bmax, gmax)
bnds = [gmin.x(), gmax.x(), gmin.y(), gmax.y(), gmin.z(), gmax.z()]
self._com = common.centerOfBounds(bnds)
self._cube_axes_actor.SetBounds(*bnds)
self._vtk_renderer.AddViewProp(self._cube_axes_actor)
params = {
'blocks': reader.getBlocks(),
'sidesets': reader.getSideSets(),
'nodesets': reader.getNodeSets(),
'total_elems': reader.getTotalNumberOfElements(),
'total_nodes': reader.getTotalNumberOfNodes()
}
self.fileLoaded.emit(params)
self.boundsChanged.emit(bnds)
self._file_name = reader.getFileName()
self.updateWindowTitle()
self.addToRecentFiles(self._file_name)
self._file_watcher.addPath(self._file_name)
self._file_changed_notification.setFileName(self._file_name)
self._selection = Selection(self._geometry.GetOutput())
self._setSelectionProperties(self._selection)
self._vtk_renderer.AddActor(self._selection.getActor())
self._progress.hide()
self._progress = None
self.updateMenuBar()
if reader.getDimensionality() == 3:
style = OtterInteractorStyle3D(self)
else:
style = OtterInteractorStyle2D(self)
self._vtk_interactor.SetInteractorStyle(style)
camera = self._vtk_renderer.GetActiveCamera()
focal_point = camera.GetFocalPoint()
camera.SetPosition(focal_point[0], focal_point[1], 1)
camera.SetRoll(0)
self._vtk_renderer.ResetCamera()
def _addBlocks(self):
camera = self._vtk_renderer.GetActiveCamera()
reader = self._load_thread.getReader()
for index, binfo in enumerate(reader.getBlocks()):
eb = vtk.vtkExtractBlock()
eb.SetInputConnection(reader.getVtkOutputPort())
eb.AddIndex(binfo.multiblock_index)
eb.Update()
block = BlockObject(eb, camera)
self._setBlockProperties(block)
self._blocks[binfo.number] = block
self._vtk_renderer.AddViewProp(block.actor)
self._vtk_renderer.AddViewProp(block.silhouette_actor)
# FIXME: make this work with multiple blocks
self._geometry = block.geometry
def _addSidesets(self):
reader = self._load_thread.getReader()
for index, finfo in enumerate(reader.getSideSets()):
eb = vtk.vtkExtractBlock()
eb.SetInputConnection(reader.getVtkOutputPort())
eb.AddIndex(finfo.multiblock_index)
eb.Update()
sideset = SideSetObject(eb)
self._side_sets[finfo.number] = sideset
self._vtk_renderer.AddViewProp(sideset.actor)
self._setSideSetProperties(sideset)
def _addNodeSets(self):
reader = self._load_thread.getReader()
for index, ninfo in enumerate(reader.getNodeSets()):
eb = vtk.vtkExtractBlock()
eb.SetInputConnection(reader.getVtkOutputPort())
eb.AddIndex(ninfo.multiblock_index)
eb.Update()
nodeset = NodeSetObject(eb)
self._node_sets[ninfo.number] = nodeset
self._vtk_renderer.AddViewProp(nodeset.actor)
self._setNodeSetProperties(nodeset)
def _setupCubeAxesActor(self):
self._cube_axes_actor = vtk.vtkCubeAxesActor()
self._cube_axes_actor.VisibilityOff()
self._cube_axes_actor.SetCamera(self._vtk_renderer.GetActiveCamera())
self._cube_axes_actor.SetGridLineLocation(
vtk.vtkCubeAxesActor.VTK_GRID_LINES_ALL)
self._cube_axes_actor.SetFlyMode(
vtk.vtkCubeAxesActor.VTK_FLY_OUTER_EDGES)
def _getBlock(self, block_id):
return self._blocks[block_id]
def _getSideSet(self, sideset_id):
return self._side_sets[sideset_id]
def _getNodeSet(self, nodeset_id):
return self._node_sets[nodeset_id]
def renderMode(self):
return self._render_mode
def _setupOrientationMarker(self):
axes = vtk.vtkAxesActor()
self._ori_marker = vtk.vtkOrientationMarkerWidget()
self._ori_marker.SetOrientationMarker(axes)
self._ori_marker.SetViewport(0.8, 0, 1.0, 0.2)
self._ori_marker.SetInteractor(self._vtk_interactor)
self._ori_marker.SetEnabled(1)
self._ori_marker.SetInteractive(False)
def onBlockVisibilityChanged(self, block_id, visible):
block = self._getBlock(block_id)
block.setVisible(visible)
if (self.renderMode() == self.HIDDEN_EDGES_REMOVED
or self.renderMode() == self.TRANSLUENT):
block.setSilhouetteVisible(block.visible)
else:
block.setSilhouetteVisible(False)
def onBlockColorChanged(self, block_id, qcolor):
clr = [qcolor.redF(), qcolor.greenF(), qcolor.blueF()]
block = self._getBlock(block_id)
block.setColor(clr)
property = block.property
if self.renderMode() == self.HIDDEN_EDGES_REMOVED:
property.SetColor([1, 1, 1])
else:
property.SetColor(clr)
def onSidesetVisibilityChanged(self, sideset_id, visible):
sideset = self._getSideSet(sideset_id)
sideset.setVisible(visible)
def onNodesetVisibilityChanged(self, nodeset_id, visible):
nodeset = self._getNodeSet(nodeset_id)
nodeset.setVisible(visible)
def onCubeAxisVisibilityChanged(self, visible):
if visible:
self._cube_axes_actor.VisibilityOn()
else:
self._cube_axes_actor.VisibilityOff()
def onOrientationmarkerVisibilityChanged(self, visible):
if visible:
self._ori_marker.EnabledOn()
else:
self._ori_marker.EnabledOff()
def onOpenFile(self):
file_name, f = QtWidgets.QFileDialog.getOpenFileName(
self, 'Open File', "", "ExodusII files (*.e *.exo);;"
"HDF5 PETSc files (*.h5);;"
"VTK Unstructured Grid files (*.vtk)")
if file_name:
self.loadFile(file_name)
def onNewFile(self):
self.clear()
self.fileLoaded.emit(None)
self.boundsChanged.emit([])
self._file_name = None
self.updateWindowTitle()
def updateWindowTitle(self):
if self._file_name is None:
self.setWindowTitle("Mesh Inspector")
else:
self.setWindowTitle("Mesh Inspector \u2014 {}".format(
os.path.basename(self._file_name)))
def onShadedTriggered(self, checked):
self._render_mode = self.SHADED
for block_id, block in self._blocks.items():
selected = self._selected_block == block_id
self._setBlockProperties(block, selected)
block.setSilhouetteVisible(False)
for sideset in self._side_sets.values():
self._setSideSetProperties(sideset)
def onShadedWithEdgesTriggered(self, checked):
self._render_mode = self.SHADED_WITH_EDGES
for block_id, block in self._blocks.items():
selected = self._selected_block == block_id
self._setBlockProperties(block, selected)
block.setSilhouetteVisible(False)
for sideset in self._side_sets.values():
self._setSideSetProperties(sideset)
def onHiddenEdgesRemovedTriggered(self, checked):
self._render_mode = self.HIDDEN_EDGES_REMOVED
for block_id, block in self._blocks.items():
selected = self._selected_block == block_id
self._setBlockProperties(block, selected)
block.setSilhouetteVisible(block.visible)
for sideset in self._side_sets.values():
self._setSideSetProperties(sideset)
def onTransluentTriggered(self, checked):
self._render_mode = self.TRANSLUENT
for block_id, block in self._blocks.items():
selected = self._selected_block == block_id
self._setBlockProperties(block, selected)
block.setSilhouetteVisible(block.visible)
for sideset in self._side_sets.values():
self._setSideSetProperties(sideset)
def onPerspectiveToggled(self, checked):
if checked:
camera = self._vtk_renderer.GetActiveCamera()
camera.ParallelProjectionOff()
else:
camera = self._vtk_renderer.GetActiveCamera()
camera.ParallelProjectionOn()
def _setSelectedBlockProperties(self, block):
property = block.property
if self.renderMode() == self.SHADED:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetOpacity(1.0)
property.SetEdgeVisibility(False)
elif self.renderMode() == self.SHADED_WITH_EDGES:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetOpacity(1.0)
property.SetEdgeVisibility(True)
property.SetEdgeColor(common.qcolor2vtk(self.SIDESET_EDGE_CLR))
property.SetLineWidth(2)
elif self.renderMode() == self.HIDDEN_EDGES_REMOVED:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetOpacity(1.0)
property.SetEdgeVisibility(False)
elif self.renderMode() == self.TRANSLUENT:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetOpacity(0.33)
property.SetEdgeVisibility(False)
def _setDeselectedBlockProperties(self, block):
property = block.property
if self.renderMode() == self.SHADED:
property.SetColor(block.color)
property.SetOpacity(1.0)
property.SetEdgeVisibility(False)
elif self.renderMode() == self.SHADED_WITH_EDGES:
property.SetColor(block.color)
property.SetOpacity(1.0)
property.SetEdgeVisibility(True)
property.SetEdgeColor(common.qcolor2vtk(self.SIDESET_EDGE_CLR))
property.SetLineWidth(2)
elif self.renderMode() == self.HIDDEN_EDGES_REMOVED:
property.SetColor([1, 1, 1])
property.SetOpacity(1.0)
property.SetEdgeVisibility(False)
elif self.renderMode() == self.TRANSLUENT:
property.SetColor(block.color)
property.SetOpacity(0.33)
property.SetEdgeVisibility(False)
def _setBlockProperties(self, block, selected=False):
property = block.property
property.SetAmbient(0.4)
property.SetDiffuse(0.6)
if selected:
self._setSelectedBlockProperties(block)
else:
self._setDeselectedBlockProperties(block)
def _setSideSetProperties(self, sideset):
property = sideset.property
if self.renderMode() == self.SHADED:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetEdgeVisibility(False)
property.SetEdgeColor(common.qcolor2vtk(self.SIDESET_EDGE_CLR))
property.SetLineWidth(self.SIDESET_EDGE_WIDTH)
property.LightingOff()
elif self.renderMode() == self.SHADED_WITH_EDGES:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetEdgeVisibility(False)
property.SetEdgeColor(common.qcolor2vtk(self.SIDESET_EDGE_CLR))
property.SetLineWidth(self.SIDESET_EDGE_WIDTH)
property.LightingOff()
elif self.renderMode() == self.HIDDEN_EDGES_REMOVED:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetEdgeVisibility(False)
property.LightingOff()
elif self.renderMode() == self.TRANSLUENT:
property.SetColor(common.qcolor2vtk(self.SIDESET_CLR))
property.SetEdgeVisibility(False)
property.LightingOff()
def _setNodeSetProperties(self, nodeset):
property = nodeset.property
property.SetRepresentationToPoints()
property.SetRenderPointsAsSpheres(True)
property.SetVertexVisibility(True)
property.SetEdgeVisibility(False)
property.SetPointSize(10)
property.SetColor(common.qcolor2vtk(self.NODESET_CLR))
property.SetOpacity(1)
property.SetAmbient(1)
property.SetDiffuse(0)
def _setSelectionProperties(self, selection):
actor = selection.getActor()
property = actor.GetProperty()
if self._select_mode == self.MODE_SELECT_CELLS:
property.SetRepresentationToSurface()
property.SetRenderPointsAsSpheres(False)
property.SetVertexVisibility(False)
property.SetPointSize(0)
property.EdgeVisibilityOn()
property.SetColor(common.qcolor2vtk(self.SELECTION_CLR))
property.SetLineWidth(7)
property.SetEdgeColor(common.qcolor2vtk(self.SELECTION_EDGE_CLR))
property.SetOpacity(0.5)
property.SetAmbient(1)
property.SetDiffuse(0)
elif self._select_mode == self.MODE_SELECT_POINTS:
property.SetRepresentationToPoints()
property.SetRenderPointsAsSpheres(True)
property.SetVertexVisibility(True)
property.SetEdgeVisibility(False)
property.SetPointSize(15)
property.SetColor(common.qcolor2vtk(self.SELECTION_CLR))
property.SetOpacity(1)
property.SetAmbient(1)
property.SetDiffuse(0)
def onUpdateWindow(self):
self._vtk_render_window.Render()
def event(self, e):
if e.type() == LoadFileEvent.TYPE:
self.loadFile(e.fileName())
return True
else:
return super().event(e)
def closeEvent(self, event):
self.plugin.settings.setValue("tools/select_mode", self._select_mode)
self.plugin.settings.setValue("color_profile", self._color_profile_id)
super().closeEvent(event)
def onFileChanged(self, path):
if path not in self._file_watcher.files():
self._file_watcher.addPath(path)
self.showFileChangedNotification()
def showFileChangedNotification(self):
self._file_changed_notification.adjustSize()
width = self.getRenderWindowWidth()
left = (width - self._file_changed_notification.width()) / 2
top = 10
self._file_changed_notification.setGeometry(
left, top, self._file_changed_notification.width(),
self._file_changed_notification.height())
self._file_changed_notification.show()
def onReloadFile(self):
self.loadFile(self._file_name)
def _showSelectedMeshEntity(self):
self._selected_mesh_ent_info.adjustSize()
wnd_geom = self.geometry()
widget_geom = self._selected_mesh_ent_info.geometry()
self._selected_mesh_ent_info.move(
wnd_geom.width() - widget_geom.width() - 10,
wnd_geom.height() - widget_geom.height() - 5)
self._selected_mesh_ent_info.show()
def onBlockSelectionChanged(self, block_id):
self._deselectBlocks()
if block_id in self._blocks:
block = self._getBlock(block_id)
self._selected_mesh_ent_info.setBlockInfo(block_id, block.info)
self._showSelectedMeshEntity()
self._selected_block = block_id
self._setBlockProperties(block, selected=True)
else:
self._selected_mesh_ent_info.hide()
def _deselectBlocks(self):
blk_id = self._selected_block
if blk_id is not None:
block = self._getBlock(blk_id)
self._setBlockProperties(block, selected=False)
self._selected_block = None
def onSidesetSelectionChanged(self, sideset_id):
if sideset_id in self._side_sets:
ss = self._side_sets[sideset_id]
self._selected_mesh_ent_info.setSidesetInfo(sideset_id, ss.info)
self._showSelectedMeshEntity()
else:
self._selected_mesh_ent_info.hide()
def onNodesetSelectionChanged(self, nodeset_id):
if nodeset_id in self._node_sets:
ns = self._node_sets[nodeset_id]
self._selected_mesh_ent_info.setNodesetInfo(nodeset_id, ns.info)
self._showSelectedMeshEntity()
else:
self._selected_mesh_ent_info.hide()
def _blockActorToId(self, actor):
# TODO: when we start to have 1000s of actors, this should be an
# inverse dictionary from 'actor' to 'block_id'
for blk_id, block in self._blocks.items():
if block.actor == actor:
return blk_id
return None
def _selectBlock(self, pt):
picker = vtk.vtkPropPicker()
if picker.PickProp(pt.x(), pt.y(), self._vtk_renderer):
actor = picker.GetViewProp()
blk_id = self._blockActorToId(actor)
self.onBlockSelectionChanged(blk_id)
def _buildCellInfo(self, cell):
nfo = {'type': cell.GetCellType()}
return nfo
def _selectCell(self, pt):
picker = vtk.vtkCellPicker()
if picker.Pick(pt.x(), pt.y(), 0, self._vtk_renderer):
cell_id = picker.GetCellId()
self._selection.selectCell(cell_id)
self._setSelectionProperties(self._selection)
unstr_grid = self._selection.get()
cell = unstr_grid.GetCell(0)
nfo = self._buildCellInfo(cell)
self._selected_mesh_ent_info.setCellInfo(cell_id, nfo)
self._showSelectedMeshEntity()
def _buildPointInfo(self, points):
coords = points.GetPoint(0)
nfo = {'coords': coords}
return nfo
def _selectPoint(self, pt):
picker = vtk.vtkPointPicker()
if picker.Pick(pt.x(), pt.y(), 0, self._vtk_renderer):
point_id = picker.GetPointId()
self._selection.selectPoint(point_id)
self._setSelectionProperties(self._selection)
unstr_grid = self._selection.get()
points = unstr_grid.GetPoints()
nfo = self._buildPointInfo(points)
self._selected_mesh_ent_info.setPointInfo(point_id, nfo)
self._showSelectedMeshEntity()
def onClicked(self, pt):
self.onDeselect()
if self._select_mode == self.MODE_SELECT_BLOCKS:
self._selectBlock(pt)
elif self._select_mode == self.MODE_SELECT_CELLS:
self._selectCell(pt)
elif self._select_mode == self.MODE_SELECT_POINTS:
self._selectPoint(pt)
def onViewInfoWindow(self):
if self._info_window.isVisible():
self._info_window.hide()
else:
self._info_window.show()
self.updateMenuBar()
def onSelectModeTriggered(self, action):
action.setChecked(True)
self._select_mode = action.data()
def onDeselect(self):
if self._selection is not None:
self.onBlockSelectionChanged(None)
self._selection.clear()
def onColorProfileTriggered(self, action):
action.setChecked(True)
self._color_profile_id = action.data()
self.setColorProfile()
def setColorProfile(self):
if self._color_profile_id in self._color_profiles:
profile = self._color_profiles[self._color_profile_id]
else:
profile = self._color_profiles[self.COLOR_PROFILE_DEFAULT]
bkgnd = common.rgb2vtk(profile['bkgnd'])
self._vtk_renderer.SetBackground(bkgnd)
self._vtk_renderer.SetBackground2(bkgnd)
def loadColorProfiles(self):
# TODO: load the profiles via import and iterating over files in
# 'color_profile' folder
self._color_profiles = {}
self._color_profiles[self.COLOR_PROFILE_DEFAULT] = default.profile
self._color_profiles[self.COLOR_PROFILE_LIGHT] = light.profile
self._color_profiles[self.COLOR_PROFILE_DARK] = dark.profile
def getFileName(self, window_title, name_filter, default_suffix):
dialog = QtWidgets.QFileDialog()
dialog.setWindowTitle(window_title)
dialog.setNameFilter(name_filter)
dialog.setFileMode(QtWidgets.QFileDialog.AnyFile)
dialog.setAcceptMode(QtWidgets.QFileDialog.AcceptSave)
dialog.setDefaultSuffix(default_suffix)
if dialog.exec_() == QtWidgets.QDialog.Accepted:
return str(dialog.selectedFiles()[0])
return None
def onExportAsPng(self):
file_name = self.getFileName('Export to PNG', 'PNG files (*.png)',
'png')
if file_name:
windowToImageFilter = vtk.vtkWindowToImageFilter()
windowToImageFilter.SetInput(self._vtk_render_window)
windowToImageFilter.SetInputBufferTypeToRGBA()
windowToImageFilter.ReadFrontBufferOff()
windowToImageFilter.Update()
writer = vtk.vtkPNGWriter()
writer.SetFileName(file_name)
writer.SetInputConnection(windowToImageFilter.GetOutputPort())
writer.Write()
def onExportAsJpg(self):
file_name = self.getFileName('Export to JPG', 'JPG files (*.jpg)',
'jpg')
if file_name:
windowToImageFilter = vtk.vtkWindowToImageFilter()
windowToImageFilter.SetInput(self._vtk_render_window)
windowToImageFilter.ReadFrontBufferOff()
windowToImageFilter.Update()
writer = vtk.vtkJPEGWriter()
writer.SetFileName(file_name)
writer.SetInputConnection(windowToImageFilter.GetOutputPort())
writer.Write()
def onToolsExplode(self):
self._explode.adjustSize()
render_win_geom = self.geometry()
left = (render_win_geom.width() - self._explode.width()) / 2
top = render_win_geom.height() - self._explode.height() - 10
self._explode.setGeometry(left, top, self._explode.width(),
self._explode.height())
self._explode.show()
def onExplodeValueChanged(self, value):
dist = value / self._explode.range()
for blk_id, block in self._blocks.items():
blk_com = block.cob
cntr = QtGui.QVector3D(self._com[0], self._com[1], self._com[2])
blk_cntr = QtGui.QVector3D(blk_com[0], blk_com[1], blk_com[2])
dir = blk_cntr - cntr
dir.normalize()
dir = -dist * dir
pos = [dir.x(), dir.y(), dir.z()]
block.actor.SetPosition(pos)
class E_VolumeRenderingWidget(QWidget):
def __init__(self, parent = None):
super(E_VolumeRenderingWidget, self).__init__(parent)
self.setMaximumWidth(300)
self.mainLayout = QVBoxLayout()
self.mainLayout.setSpacing(0)
self.setLayout(self.mainLayout)
self.m_widget = QVTKRenderWindowInteractor();
self.m_widget.setMaximumHeight(100)
self.m_widget.AddObserver('MouseMoveEvent', self.onMouseMove)
self.m_widget.AddObserver('LeftButtonPressEvent', self.onLeftDown, 1.0)
self.m_widget.AddObserver('LeftButtonReleaseEvent', self.onLeftUp, -1.0)
self.m_widget.hide()
self.m_bClicked = False
self.m_view = vtk.vtkContextView()
self.m_histogramChart = vtk.vtkChartXY()
self.Initialize()
def SetManager(self, Mgr):
self.Mgr = Mgr
# #TEST function
# colorFunc = self.Mgr.VolumeMgr.m_colorFunctions[0]
# self.onChangeIndex()
def Initialize(self):
#CTF Controller
# comboTitle = QLabel("Volume CTF")
# comboTitle.setStyleSheet("QLabel {border: 1px solid gray;border-radius: 2px;background-color: white;margin: 0px 0px 0px 0px;}");
# self.addWidget(comboTitle)
#Add ComboBox
self.combo = QComboBox()
self.combo.addItem("white")
self.combo.addItem("SKIN")
self.combo.addItem("BONE")
self.combo.addItem("Binary Voxel")
self.combo.currentIndexChanged.connect( self.onChangeIndex )
self.addWidget(self.combo)
#OTF Controller
onOffVolumeOTF = QCheckBox("Volume OTF")
onOffVolumeOTF.setCheckState(0)
onOffVolumeOTF.stateChanged.connect(self.onVolumeOTFState)
self.addWidget(onOffVolumeOTF)
#Initialize Histogram
self.addWidget(self.m_widget)
self.m_view.SetRenderWindow(self.m_widget.GetRenderWindow())
self.m_view.GetRenderer().SetBackground(0.0, 0.0, 0.0)
self.m_view.GetScene().AddItem(self.m_histogramChart)
#Initialize Chart
self.m_histogramChart.ForceAxesToBoundsOn()
self.m_histogramChart.SetAutoAxes(False)
self.m_histogramChart.SetAutoSize(True)
self.m_histogramChart.SetHiddenAxisBorder(0)
self.m_histogramChart.GetAxis(0).SetVisible(False)
self.m_histogramChart.GetAxis(1).SetVisible(False)
self.m_histogramChart.SetActionToButton(1, -1)
def GetCurrentColorIndex(self):
return self.combo.currentIndex()
def addWidget(self, widget):
self.mainLayout.addWidget(widget)
def Redraw(self):
self.m_view.Update()
self.m_view.Render()
def onChangeIndex(self, idx, Update = True):
#Update Preset Function
self.Mgr.VolumeMgr.SetPresetFunctions(idx)
#Plot CTF
colorFunc = self.Mgr.VolumeMgr.m_colorFunction
self.m_histogramChart.ClearPlots()
colorPlot = vtk.vtkColorTransferFunctionItem()
colorPlot.SetColorTransferFunction(colorFunc)
self.m_histogramChart.AddPlot(colorPlot)
#Plot OTF
opacityFunc = self.Mgr.VolumeMgr.m_opacityFunction
opacPlot = vtk.vtkPiecewiseFunctionItem()
opacPlot.SetPiecewiseFunction(opacityFunc)
self.m_histogramChart.AddPlot(opacPlot)
opacityPoint = vtk.vtkPiecewiseControlPointsItem()
opacityPoint.SetPiecewiseFunction(opacityFunc)
opacityPoint.SetWidth(10.0)
self.m_histogramChart.AddPlot(opacityPoint)
#Recalculate Bounds
sRange = self.Mgr.VolumeMgr.m_scalarRange
self.m_histogramChart.GetAxis(vtk.vtkAxis.BOTTOM).SetRange(sRange[0], sRange[1])
self.m_histogramChart.GetAxis(vtk.vtkAxis.BOTTOM).Update()
#redraw Plot
self.Redraw()
if Update:
self.Mgr.Redraw()
def onVolumeOTFState(self, state):
if state == 2:
self.m_widget.show()
else:
self.m_widget.hide()
def onLeftDown(self, obj, event):
self.m_bClicked = True;
def onLeftUp(self, obj, event):
self.m_bClicked = False;
self.Mgr.Redraw()
def onMouseMove(self, obj, event):
if self.m_bClicked == True:
self.Mgr.Redraw()
class XYZviewer(QtWidgets.QFrame):
pickedPointSignal = QtCore.pyqtSignal(int)
def __init__(self, parent, dataPath):
super(XYZviewer,self).__init__(parent)
self.interactor = QVTKRenderWindowInteractor(self)
self.layout = QtWidgets.QHBoxLayout()
self.layout.addWidget(self.interactor)
self.layout.setContentsMargins(0,0,0,0)
self.setLayout(self.layout)
self.pointCloud = VtkPointCloud()
self.pcdCollection=[]
self.actors = []
self.pickedID=[]
self.e=ErrorObserver()
self.interactor.AddObserver("ErrorEvent",self.e)
if self.e.ErrorOccurred():
print(e.ErrorMessage)
#self.load_data(loadPath)
if dataPath != None:
self.add_data(dataPath)
# Renderer
self.renderer = vtk.vtkRenderer()
self.cubeAxesActor = vtk.vtkCubeAxesActor()
self.setCubeAxesActor()
self.cubeAxesActor.SetBounds(0,100,0,100,0,100)
self.renderer.AddActor(self.cubeAxesActor)
# Scalar Bar
self.scalarBarActor = vtk.vtkScalarBarActor()
self.setScalarBar()
self.renderer.AddActor(self.scalarBarActor)
#renderer.SetBackground(.2, .3, .4)
#colors=vtk.vtkNamedColors()
#colors.SetColor("BkgColor",[179,204,255,255])
#renderer.SetBackground(colors.GetColor3d("BkgColor"))
self.pointCloud.setLUTRange(0,10)
#cam=self.renderer.GetActiveCamera()
#cam.Azimuth(-45)
#cam.Elevation(0)
#cam.Roll(90)
#cam.SetViewUp(0,0,1)
#cam.SetPosition(0,1,0)
#cam.SetParallelProjection(0)
#cam.Elevation(-10)
#self.renderer.SetActiveCamera(cam)
#self.renderer.ResetCamera()
#renderer.SetLayer(1)
# Render Window
renderWindow = self.interactor.GetRenderWindow()
#renderWindow = vtk.vtkRenderWindow()
#print(renderWindow)
#renderWindow.SetNumberOfLayers(2)
renderWindow.AddRenderer(self.renderer)
#renderWindow.AddRenderer(self.addLogo())
# Interactor
#renderWindowInteractor = vtk.vtkRenderWindowInteractor()
self.interactor.SetRenderWindow(renderWindow)
self.interactor.SetInteractorStyle(vtk.vtkInteractorStyleTerrain())
# Scalar Bar
#self.addScalarBar(self.pointCloud.getLUT())
#renderWindow.SetInteractor(self.interactor)
# Logo
#self.addLogo()
self.renderer.ResetCamera()
# Begin Interaction
renderWindow.Render()
renderWindow.SetWindowName("XYZ Data Viewer:"+ "xyz")
self.interactor.Start()
#renderWindowInteractor.Start()
# Pack to class
#self.renderer=renderer
#self.interactor=interactor
def start(self):
self.interactor.Start()
def load_data(self,filename):
print("start viewer")
data = genfromtxt(filename,dtype=float,usecols=[0,1,2])
#print("generate xyz: ",data[0][2])
#return
for k in range(size(data,0)):
point = data[k]
self.pointCloud.addPoint(point)
def addLogo(self):
imgReader = vtk.vtkPNGReader()
imgReader.SetFileName("benano.png")
imgReader.Update()
#print(imgReader.GetOutput())
imgActor = vtk.vtkImageActor()
imgActor.SetInputData(imgReader.GetOutput())
background_renderer = vtk.vtkRenderer()
background_renderer.SetLayer(0)
background_renderer.InteractiveOff()
background_renderer.AddActor(imgActor)
return background_renderer
def setScalarBar(self):
lut=self.pointCloud.getLUT()
scalarBar=self.scalarBarActor
scalarBar.SetOrientationToVertical()
scalarBar.SetLookupTable(lut)
scalarBar.SetBarRatio(0.12)
scalarBar.SetTitleRatio(0.12)
scalarBar.SetMaximumWidthInPixels(60)
scalarBar.SetMaximumHeightInPixels(300)
#print(self.scalarBar.GetProperty().SetDisplayLocationToBackground())
#self.scalarBar.SetDisplayPosition(750,250)
scalarBar.SetDisplayPosition(60,400)
textP = vtk.vtkTextProperty()
textP.SetFontSize(10)
scalarBar.SetLabelTextProperty(textP)
scalarBar.SetTitleTextProperty(textP)
scalarBar.SetNumberOfLabels(8)
scalarBar.SetLabelFormat("%-#6.3f")#輸出格式
#self.scalarBarWidget = vtk.vtkScalarBarWidget()
#self.scalarBarWidget.SetInteractor(self.interactor)
#self.scalarBarWidget.SetScalarBarActor(self.scalarBar)
#self.scalarBarWidget.On()
self.scalarBarActor=scalarBar
def setCubeAxesActor(self):
cubeAxesActor = self.cubeAxesActor
#設定軸上下限
bounds = self.pointCloud.getBounds()
cubeAxesActor.SetBounds(bounds)
#將RENDER CAMERA指定給軸
cubeAxesActor.SetCamera(self.renderer.GetActiveCamera())
#設定標題與標籤文字顏色
cubeAxesActor.GetTitleTextProperty(0).SetColor(0.5,0.5,0.5)
cubeAxesActor.GetLabelTextProperty(0).SetColor(0.5,0.5,0.5)
cubeAxesActor.GetTitleTextProperty(1).SetColor(0.5,0.5,0.5)
cubeAxesActor.GetLabelTextProperty(1).SetColor(0.5,0.5,0.5)
cubeAxesActor.GetTitleTextProperty(2).SetColor(0.5,0.5,0.5)
cubeAxesActor.GetLabelTextProperty(2).SetColor(0.5,0.5,0.5)
#設定坐標軸線寬
cubeAxesActor.GetXAxesLinesProperty().SetLineWidth(0.5)
cubeAxesActor.GetYAxesLinesProperty().SetLineWidth(0.5)
cubeAxesActor.GetZAxesLinesProperty().SetLineWidth(0.5)
#開啟網格線
cubeAxesActor.DrawXGridlinesOn()
cubeAxesActor.DrawYGridlinesOn()
cubeAxesActor.DrawZGridlinesOn()
#內部網格線不畫
cubeAxesActor.SetDrawXInnerGridlines(0)
cubeAxesActor.SetDrawYInnerGridlines(0)
cubeAxesActor.SetDrawZInnerGridlines(0)
#網格線顏色
cubeAxesActor.GetXAxesGridlinesProperty().SetColor(0.5,0.5,0.5)
cubeAxesActor.GetYAxesGridlinesProperty().SetColor(0.5,0.5,0.5)
cubeAxesActor.GetZAxesGridlinesProperty().SetColor(0.5,0.5,0.5)
#控制軸的繪製方式(外,最近,最遠,靜態最近,靜態外)
cubeAxesActor.SetFlyMode(4)
#設定刻度線的位置(內,外,兩側)
cubeAxesActor.SetTickLocation(1)
#網格線樣式(所有,最近,最遠)
cubeAxesActor.SetGridLineLocation(2)
cubeAxesActor.XAxisMinorTickVisibilityOff()
cubeAxesActor.YAxisMinorTickVisibilityOff()
cubeAxesActor.ZAxisMinorTickVisibilityOn()
self.cubeAxesActor=cubeAxesActor
def add_axisWidget(self):
axes = vtk.vtkAxesActor()
axisWidget = vtk.vtkOrientationMarkerWidget()
axisWidget.SetOutlineColor(0.9,0.5,0.1)
axisWidget.SetOrientationMarker(axes)
iren = self.interactor.GetRenderWindow().GetInteractor()
axisWidget.SetInteractor(iren)
axisWidget.SetViewport(0,0,0.4,0.4)
axisWidget.EnabledOn()
axisWidget.InteractiveOn()
def add_newData(self,pcd):
'''
print("generate xyz")
for k in range(size(data,0)):
point = data[k] #20*(random.rand(3)-0.5)
pcd.addPoint(point)
self.renderer.AddActor(pcd.vtkActor)
'''
self.pointCloud=pcd
self.addActor()
def addActor(self):
"""
self.pcdCollection.append(self.xyzLoader.pcd)
print("Current pcd count: ", len(self.pcdCollection))
#self.actors.append(self.pcdCollection[-1].vtkActor)
#create each actor from xyz collection
for i in self.pcdCollection:
self.renderer.AddActor(i.vtkActor)
#print(i.vtkActor)
"""
self.removeAll()
isMesh = False
isDelaunay3D=False
isSurfRecon=1
if isMesh:
self.pointCloud.generateMesh()
#self.renderer.AddActor(self.pointCloud.vtkActor)
self.mainActor=self.pointCloud.boundaryActor
elif isDelaunay3D:
self.mainActor=self.pointCloud.delaunay3D()
elif isSurfRecon:
self.mainActor=self.pointCloud.surfaceRecon()
else:
self.mainActor=self.pointCloud.vtkActor
self.renderer.AddActor(self.mainActor)
self.setCubeAxesActor()
self.renderer.AddActor(self.cubeAxesActor)
self.setScalarBar()
self.renderer.AddActor(self.scalarBarActor)
self.renderer.ResetCamera()
self.refresh_renderer()
cam = self.renderer.GetActiveCamera()
self.oriMatrix = cam.GetExplicitProjectionTransformMatrix()
def removeAll(self):
actors = self.renderer.GetActors()
#print(actors)
for i in actors:
self.renderer.RemoveActor(i)
for i in range(len(self.pcdCollection)):
#print(i)
del self.pcdCollection[-1]
#print(len(self.pcdCollection))
def reset_Camera(self):
print(self.oriMatrix)
center_x,center_y,center_z=self.mainActor.GetCenter()
cam = self.renderer.GetActiveCamera()
cam.SetPosition(center_x,center_y,center_z+1)
cam.SetViewUp(0,1,0)
self.renderer.ResetCamera()
self.refresh_renderer()
def setCameraTop(self):
center_x,center_y,center_z=self.mainActor.GetCenter()
cam=self.renderer.GetActiveCamera()
cam.SetPosition(center_x+1,center_y,center_z)
cam.SetViewUp(0,0,1)
#cam.Azimuth(180)
print(cam.GetPosition())
#self.renderer.SetActiveCamera(cam)
self.renderer.ResetCamera()
self.refresh_renderer()
def setCameraLeft(self):
self.renderer.ResetCamera()
cam=self.renderer.GetActiveCamera()
#cam.SetPosition(0,0,0)
#cam.SetViewUp(0,1,0)
cam.Azimuth(-10)
#self.renderer.SetActiveCamera(cam)
self.renderer.ResetCamera()
self.refresh_renderer()
def setCameraRight(self):
self.renderer.ResetCamera()
cam=self.renderer.GetActiveCamera()
#cam.SetPosition(0,0,0)
#cam.SetViewUp(0,1,0)
cam.Azimuth(10)
#self.renderer.SetActiveCamera(cam)
self.renderer.ResetCamera()
self.refresh_renderer()
def refresh_renderer(self):
#self.renderer.ResetCamera()
renderWindow = self.interactor.GetRenderWindow()
renderWindow.Render()
def applyTransform(self,x,y,z):
center_x,center_y,center_z=self.mainActor.GetCenter()
w = vtk.vtkTransform()
#w.Translate(-center_x,-center_y,-center_z)
#vtk not auto change type from string to double
w.RotateX(float(x))
w.RotateY(float(y))
w.RotateZ(float(z))
self.mainActor.SetUserTransform(w)
self.refresh_renderer()
def setParallelCamera(self,state):
cam = self.renderer.GetActiveCamera()
cam.SetParallelProjection(state)
self.renderer.ResetCamera()
self.refresh_renderer()
def setPickerMode(self,state):
import utilities.pointPicker as pStyle
print(pStyle)
print(state)
if state==2:
self.interactor.SetInteractorStyle(pStyle.testStyle(self.emitPickedPoint))
else:
self.interactor.SetInteractorStyle(vtk.vtkInteractorStyleTerrain())
def emitPickedPoint(self,int):
self.pickedID.append(int)
x,y,z=self.pointCloud.vtkPoints.GetPoint(int)
print("emit:",int,x,y,z)
self.pickedPointSignal.emit(int)
sphereSource = vtk.vtkSphereSource()
sphereSource.SetCenter(x,y,z)
sphereSource.SetRadius(1)
sphereSource.SetThetaResolution(10)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(sphereSource.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetColor(1,0,0)
#actor.GetProperty().SetRepresentationToWireframe()
print(actor)
actors = self.renderer.GetActors()
print(actors)
self.renderer.AddActor(actor)
self.refresh_renderer()
if len(self.pickedID)>3:
self.drawKochanekSpline(self.pickedID)
def drawParametricSpline(self,IDList):
points = vtk.vtkPoints()
for i in IDList:
p=self.pointCloud.vtkPoints.GetPoint(i)
points.InsertNextPoint(p)
spline = vtk.vtkParametricSpline()
spline.SetPoints(points)
functionSource = vtk.vtkParametricFunctionSource()
functionSource.SetParametricFunction(spline)
functionSource.Update()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(functionSource.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.renderer.AddActor(actor)
self.refresh_renderer()
def drawKochanekSpline(self,IDList):
points = vtk.vtkPoints()
for i in IDList:
p=self.pointCloud.vtkPoints.GetPoint(i)
points.InsertNextPoint(p)
xSpline = vtk.vtkKochanekSpline()
ySpline = vtk.vtkKochanekSpline()
zSpline = vtk.vtkKochanekSpline()
spline = vtk.vtkParametricSpline()
spline.SetXSpline(xSpline)
spline.SetYSpline(ySpline)
spline.SetZSpline(zSpline)
spline.SetPoints(points)
functionSource = vtk.vtkParametricFunctionSource()
functionSource.SetParametricFunction(spline)
functionSource.Update()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(functionSource.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.renderer.AddActor(actor)
self.refresh_renderer()
def SurfaceReconstruction(self):
pointSource=vtk.vtkProgrammableSource()
def readPoints():
output = pointSource.GetPolyDataOutput()
points = vtk.vtkPoints()
output.SetPoints(points)
for i in IDList:
p=self.pointCloud.vtkPoints.GetPoint(i)
points.InsertNextPoint(p)
pointSource.SetExecuteMethod(readPoints)
surf = vtk.vtkSurfaceReconstructionFilter()
surf.SetInputConnection(pointSource.GetOutputPort())
cf = vtk.vtkContourFilter()
cf.SetInputConnection(surf.GetOutputPort())
cf.SetValue(0,0)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(cf.GetOutputPort())
mapper.ScalarVisibilityOff()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetDiffuseColor(1,0.3882,0.2784)
actor.GetProperty().SetSpecularColor(1,1,1)
actor.GetProperty().SetSpecular(.4)
actor.GetProperty().SetSpecularPower(50)
self.renderer.AddActor(actor)
self.refresh_renderer()
class MainWindow(qtw.QMainWindow):
def __init__(self, input_file, gaussian, radius, isosurface, window_size,
*args, **kwargs):
"""MainWindow constructor"""
super().__init__(*args, **kwargs)
# Window setup
self.resize(window_size[0], window_size[1])
self.title = "Bone Imaging Laboratory – Viewer"
self.iconPath = os.path.join(os.getcwd(), "qtviewer")
self.iconPath = os.path.abspath(os.path.join(self.iconPath,
"icon.png"))
self.statusBar().showMessage("Welcome.", 8000)
# Initialize the window
self.initUI()
# Take inputs from command line. Only use these if there is an input file specified
if (input_file != None):
if (not os.path.exists(input_file)):
qtw.QMessageBox.warning(self, "Error", "Invalid input file.")
return
_, ext = os.path.splitext(input_file)
if not (self.validExtension(ext.lower())):
qtw.QMessageBox.warning(self, "Error", "Invalid file type.")
return
self.createPipeline(input_file, "in1")
self.statusBar().showMessage("Loading file " + input_file, 4000)
self.changeSigma(gaussian, "in1")
self.changeRadius(radius, "in1")
self.changeIsosurface(isosurface, "in1")
self.updateGUI()
def initUI(self):
########################################
# Create Widgets
########################################
# Fixed image (in1)
self.in1_loadPushButton = qtw.QPushButton(
"Load Image 1",
self,
objectName="in1_loadPushButton",
shortcut=qtg.QKeySequence("Ctrl+f"))
self.in1_pickableCheckBox = qtw.QCheckBox(
"Pickable",
self,
objectName="in1_pickableCheckBox",
checkable=True,
checked=True)
self.in1_visibilityCheckBox = qtw.QCheckBox(
"Visibility",
self,
objectName="in1_visibilityCheckBox",
checkable=True,
checked=True)
self.in1_filenameLabel = qtw.QLabel("", self)
self.in1_sigmaSpinBox = qtw.QDoubleSpinBox(
self,
objectName="in1_sigmaSpinBox",
value=1.2,
decimals=1,
maximum=20.0,
minimum=0.1,
singleStep=0.1,
keyboardTracking=False)
self.in1_radiusSpinBox = qtw.QSpinBox(self,
objectName="in1_radiusSpinBox",
value=2,
maximum=20,
minimum=1,
singleStep=1,
keyboardTracking=False)
self.in1_isosurfaceSpinBox = qtw.QSpinBox(
self,
objectName="in1_isosurfaceSpinBox",
value=0,
maximum=32768,
minimum=0,
singleStep=1,
keyboardTracking=False)
# Moving image (in2)
self.in2_loadPushButton = qtw.QPushButton(
"Load Image 2",
self,
objectName="in2_loadPushButton",
shortcut=qtg.QKeySequence("Ctrl+m"))
self.in2_pickableCheckBox = qtw.QCheckBox(
"Pickable",
self,
objectName="in2_pickableCheckBox",
checkable=True,
checked=False)
self.in2_visibilityCheckBox = qtw.QCheckBox(
"Visibility",
self,
objectName="in2_visibilityCheckBox",
checkable=True,
checked=True)
self.in2_filenameLabel = qtw.QLabel("", self)
self.in2_sigmaSpinBox = qtw.QDoubleSpinBox(
self,
objectName="in2_sigmaSpinBox",
value=1.2,
decimals=1,
maximum=20.0,
minimum=0.1,
singleStep=0.1,
keyboardTracking=False)
self.in2_radiusSpinBox = qtw.QSpinBox(self,
objectName="in2_radiusSpinBox",
value=2,
maximum=20,
minimum=1,
singleStep=1,
keyboardTracking=False)
self.in2_isosurfaceSpinBox = qtw.QSpinBox(
self,
objectName="in2_isosurfaceSpinBox",
value=0,
maximum=32768,
minimum=0,
singleStep=1,
keyboardTracking=False)
# Camera controls
self.rollCameraPushButton = qtw.QPushButton(
"Roll", self, objectName="rollCameraPushButton")
self.elevationCameraPushButton = qtw.QPushButton(
"Elevation", self, objectName="elevationCameraPushButton")
self.azimuthCameraPushButton = qtw.QPushButton(
"Azimuth", self, objectName="azimuthCameraPushButton")
self.incrementCameraSpinBox = qtw.QSpinBox(
self,
objectName="incrementCameraSpinBox",
value=90,
maximum=90,
minimum=-90,
singleStep=10)
# Landmark transform
self.landmarkTransformPushButton = qtw.QPushButton(
"Landmark",
self,
objectName="Landmark Transform",
enabled=False,
shortcut=qtg.QKeySequence("Ctrl+l"))
# ICP transform
self.icpTransformPushButton = qtw.QPushButton(
"ICP",
self,
objectName="ICP Transform",
enabled=True,
shortcut=qtg.QKeySequence("Ctrl+i"))
# Reset transform
self.resetTransformPushButton = qtw.QPushButton(
"Reset",
self,
objectName="Reset Transform",
enabled=True,
shortcut=qtg.QKeySequence("Ctrl+r"))
self.viewTransformCheckBox = qtw.QCheckBox("Toggle View",
self,
objectName="View Transform",
checkable=True,
checked=True)
self.in1_points_count_label = qtw.QLabel("in1_points_label",
self,
text="Points")
self.in2_points_count_label = qtw.QLabel("in2_points_label",
self,
text="Points")
self.in1_points_count = qtw.QLCDNumber(
self, intValue=0, segmentStyle=qtw.QLCDNumber.Flat)
self.in2_points_count = qtw.QLCDNumber(
self, intValue=0, segmentStyle=qtw.QLCDNumber.Flat)
# Vectors
self.rot1 = qtw.QLabel("rot1", self, text=" 0.000")
self.rot2 = qtw.QLabel("rot2", self, text=" 0.000")
self.rot3 = qtw.QLabel("rot3", self, text=" 0.000")
self.trans1 = qtw.QLabel("trans1", self, text=" 0.000")
self.trans2 = qtw.QLabel("trans2", self, text=" 0.000")
self.trans3 = qtw.QLabel("trans3", self, text=" 0.000")
self.rotLabel = qtw.QLabel("R:", self)
self.transLabel = qtw.QLabel("T:", self)
# 4x4 matrix
self.mat11 = qtw.QLabel("mat11", self, text=" 0.000")
self.mat12 = qtw.QLabel("mat12", self, text=" 0.000")
self.mat13 = qtw.QLabel("mat13", self, text=" 0.000")
self.mat14 = qtw.QLabel("mat14", self, text=" 0.000")
self.mat21 = qtw.QLabel("mat21", self, text=" 0.000")
self.mat22 = qtw.QLabel("mat22", self, text=" 0.000")
self.mat23 = qtw.QLabel("mat23", self, text=" 0.000")
self.mat24 = qtw.QLabel("mat24", self, text=" 0.000")
self.mat31 = qtw.QLabel("mat31", self, text=" 0.000")
self.mat32 = qtw.QLabel("mat32", self, text=" 0.000")
self.mat33 = qtw.QLabel("mat33", self, text=" 0.000")
self.mat34 = qtw.QLabel("mat34", self, text=" 0.000")
self.mat41 = qtw.QLabel("mat41", self, text=" 0.000")
self.mat42 = qtw.QLabel("mat42", self, text=" 0.000")
self.mat43 = qtw.QLabel("mat43", self, text=" 0.000")
self.mat44 = qtw.QLabel("mat44", self, text=" 0.000")
self.updateMatrixGUI(vtk.vtkMatrix4x4())
# Log window
self.log_window = qtw.QTextEdit(self,
objectName="log_window",
acceptRichText=False,
lineWrapMode=qtw.QTextEdit.NoWrap,
lineWrapColumnOrWidth=80,
placeholderText="Ready...")
# Create the menu options --------------------------------------------------------------------
menubar = qtw.QMenuBar()
self.setMenuBar(menubar)
menubar.setNativeMenuBar(False)
file_menu = menubar.addMenu("File")
open_in1_action = file_menu.addAction("Open Image1")
open_in2_action = file_menu.addAction("Open Image2")
file_menu.addSeparator()
about_action = file_menu.addAction("About")
quit_action = file_menu.addAction("Quit")
save_menu = menubar.addMenu("Save")
save_log_action = save_menu.addAction("Log Window")
save_menu.addSeparator()
save_points_action = save_menu.addAction("Points")
save_transform_matrix_action = save_menu.addAction("Transform Matrix")
save_transform_vector_action = save_menu.addAction("Transform Vector")
save_menu.addSeparator()
save_extrusion_action = save_menu.addAction("Extruded Shape")
########################################
# Layouts
########################################
# Fixed Image (in1) --------------------------------------------------------------------------
self.in1_mainGroupBox = qtw.QGroupBox("Fixed Image (in1)")
self.in1_mainGroupBox.setLayout(qtw.QHBoxLayout())
self.in1_pointWidget = qtw.QFrame()
self.in1_pointWidget.setLayout(qtw.QHBoxLayout())
self.in1_pointWidget.layout().addWidget(self.in1_points_count_label)
self.in1_pointWidget.layout().addWidget(self.in1_points_count)
self.in1_loadGridLayout = qtw.QGridLayout()
self.in1_loadGridLayout.addWidget(self.in1_loadPushButton, 0, 0, 1, 1)
self.in1_loadGridLayout.addWidget(self.in1_pickableCheckBox, 0, 1, 1,
1)
self.in1_loadGridLayout.addWidget(self.in1_pointWidget, 1, 0, 1, 1)
self.in1_loadGridLayout.addWidget(self.in1_visibilityCheckBox, 1, 1, 1,
1)
self.in1_loadGridLayout.addWidget(self.in1_filenameLabel, 2, 0, 1, 4)
self.in1_isosurfaceGroupBox = qtw.QGroupBox("Isosurface controls")
self.in1_isosurfaceGroupBox.setLayout(qtw.QVBoxLayout())
self.in1_isosurfaceFormLayout = qtw.QFormLayout()
self.in1_isosurfaceFormLayout.addRow("Sigma", self.in1_sigmaSpinBox)
self.in1_isosurfaceFormLayout.addRow("Radius", self.in1_radiusSpinBox)
self.in1_isosurfaceFormLayout.addRow("Isosurface",
self.in1_isosurfaceSpinBox)
self.in1_isosurfaceGroupBox.layout().addLayout(
self.in1_isosurfaceFormLayout)
self.in1_mainGroupBox.layout().addLayout(self.in1_loadGridLayout)
self.in1_mainGroupBox.layout().addWidget(self.in1_isosurfaceGroupBox)
# Moving Image (in2) -------------------------------------------------------------------------
self.in2_mainGroupBox = qtw.QGroupBox("Moving Image (in2)")
self.in2_mainGroupBox.setLayout(qtw.QHBoxLayout())
self.in2_pointWidget = qtw.QFrame()
self.in2_pointWidget.setLayout(qtw.QHBoxLayout())
self.in2_pointWidget.layout().addWidget(self.in2_points_count_label)
self.in2_pointWidget.layout().addWidget(self.in2_points_count)
self.in2_loadGridLayout = qtw.QGridLayout()
self.in2_loadGridLayout.addWidget(self.in2_loadPushButton, 0, 0, 1, 1)
self.in2_loadGridLayout.addWidget(self.in2_pickableCheckBox, 0, 1, 1,
1)
self.in2_loadGridLayout.addWidget(self.in2_pointWidget, 1, 0, 1, 1)
self.in2_loadGridLayout.addWidget(self.in2_visibilityCheckBox, 1, 1, 1,
1)
self.in2_loadGridLayout.addWidget(self.in2_filenameLabel, 2, 0, 1, 4)
self.in2_isosurfaceGroupBox = qtw.QGroupBox("Isosurface controls")
self.in2_isosurfaceGroupBox.setLayout(qtw.QVBoxLayout())
self.in2_isosurfaceFormLayout = qtw.QFormLayout()
self.in2_isosurfaceFormLayout.addRow("Sigma", self.in2_sigmaSpinBox)
self.in2_isosurfaceFormLayout.addRow("Radius", self.in2_radiusSpinBox)
self.in2_isosurfaceFormLayout.addRow("Isosurface",
self.in2_isosurfaceSpinBox)
self.in2_isosurfaceGroupBox.layout().addLayout(
self.in2_isosurfaceFormLayout)
self.in2_mainGroupBox.layout().addLayout(self.in2_loadGridLayout)
self.in2_mainGroupBox.layout().addWidget(self.in2_isosurfaceGroupBox)
# Camera controls panel ----------------------------------------------------------------------
self.cameraControlsGroupBox = qtw.QGroupBox("Camera")
self.cameraControlsGroupBox.setLayout(qtw.QHBoxLayout())
self.cameraControlsGroupBox.layout().addWidget(
self.rollCameraPushButton)
self.cameraControlsGroupBox.layout().addWidget(
self.elevationCameraPushButton)
self.cameraControlsGroupBox.layout().addWidget(
self.azimuthCameraPushButton)
self.incrementCameraFormLayout = qtw.QFormLayout()
self.incrementCameraFormLayout.addRow("Increment",
self.incrementCameraSpinBox)
self.cameraControlsGroupBox.layout().addLayout(
self.incrementCameraFormLayout)
# Transform panel ----------------------------------------------------------------------------
self.transformPanelGroupBox = qtw.QGroupBox("Transform")
self.transformPanelGroupBox.setLayout(qtw.QHBoxLayout())
# Transform actions
self.transformLayout = qtw.QGridLayout()
self.transformLayout.addWidget(self.landmarkTransformPushButton, 0, 0,
1, 1)
self.transformLayout.addWidget(self.icpTransformPushButton, 0, 1, 1, 1)
self.transformLayout.addWidget(self.resetTransformPushButton, 1, 0, 1,
1)
self.transformLayout.addWidget(self.viewTransformCheckBox, 1, 1, 1, 1)
# Vectors display
self.vectorsLayout = qtw.QGridLayout()
self.vectorsLayout.addWidget(self.rotLabel, 0, 0, 1, 1)
self.vectorsLayout.addWidget(self.rot1, 0, 1, 1, 1)
self.vectorsLayout.addWidget(self.rot2, 0, 2, 1, 1)
self.vectorsLayout.addWidget(self.rot3, 0, 3, 1, 1)
self.vectorsLayout.addWidget(self.transLabel, 1, 0, 1, 1)
self.vectorsLayout.addWidget(self.trans1, 1, 1, 1, 1)
self.vectorsLayout.addWidget(self.trans2, 1, 2, 1, 1)
self.vectorsLayout.addWidget(self.trans3, 1, 3, 1, 1)
self.vectorsGroupBox = qtw.QGroupBox()
self.vectorsGroupBox.setLayout(self.vectorsLayout)
self.transformLayout.addWidget(self.vectorsGroupBox, 2, 0, 2, 2)
# Matrix display
self.matrixLayout = qtw.QGridLayout()
self.matrixLayout.addWidget(self.mat11, 0, 0, 1, 1)
self.matrixLayout.addWidget(self.mat12, 0, 1, 1, 1)
self.matrixLayout.addWidget(self.mat13, 0, 2, 1, 1)
self.matrixLayout.addWidget(self.mat14, 0, 3, 1, 1)
self.matrixLayout.addWidget(self.mat21, 1, 0, 1, 1)
self.matrixLayout.addWidget(self.mat22, 1, 1, 1, 1)
self.matrixLayout.addWidget(self.mat23, 1, 2, 1, 1)
self.matrixLayout.addWidget(self.mat24, 1, 3, 1, 1)
self.matrixLayout.addWidget(self.mat31, 2, 0, 1, 1)
self.matrixLayout.addWidget(self.mat32, 2, 1, 1, 1)
self.matrixLayout.addWidget(self.mat33, 2, 2, 1, 1)
self.matrixLayout.addWidget(self.mat34, 2, 3, 1, 1)
self.matrixLayout.addWidget(self.mat41, 3, 0, 1, 1)
self.matrixLayout.addWidget(self.mat42, 3, 1, 1, 1)
self.matrixLayout.addWidget(self.mat43, 3, 2, 1, 1)
self.matrixLayout.addWidget(self.mat44, 3, 3, 1, 1)
self.matrixGroupBox = qtw.QGroupBox("Matrix4x4 (in2)")
self.matrixGroupBox.setLayout(self.matrixLayout)
self.transformPanelGroupBox.layout().addLayout(self.transformLayout)
self.transformPanelGroupBox.layout().addWidget(self.matrixGroupBox)
# Set up the log window ----------------------------------------------------------------------
font = qtg.QFont("Courier")
font.setStyleHint(qtg.QFont.TypeWriter)
font.setWeight(25)
self.log_window.setTextColor(qtg.QColor("blue"))
self.log_window.setCurrentFont(font)
# Add logo -----------------------------------------------------------------------------------
logo = qtg.QPixmap(':/bonelab/icon.png')
self.logoLabel = qtw.QLabel("", self)
self.logoLabel.setPixmap(logo)
# Assemble the side control panel and put it in a QPanel widget ------------------------------
self.panel = qtw.QVBoxLayout()
self.panel.addWidget(self.in1_mainGroupBox)
self.panel.addWidget(self.in2_mainGroupBox)
self.panel.addWidget(self.cameraControlsGroupBox)
self.panel.addWidget(self.transformPanelGroupBox)
self.panel.addWidget(self.log_window)
self.panel.addWidget(self.logoLabel, alignment=qtc.Qt.AlignRight)
self.panelWidget = qtw.QFrame()
self.panelWidget.setLayout(self.panel)
# Create the VTK rendering window ------------------------------------------------------------
self.vtkWidget = QVTKRenderWindowInteractor()
self.vtkWidget.AddObserver("ExitEvent", lambda o, e, a=self: a.quit())
#self.vtkWidget.AddObserver("KeyReleaseEvent", self.keyEventDetected)
self.vtkWidget.AddObserver("LeftButtonReleaseEvent",
self.mouseEventDetected)
# Create main layout and add VTK window and control panel
self.mainLayout = qtw.QHBoxLayout()
self.mainLayout.addWidget(self.vtkWidget, 4)
self.mainLayout.addWidget(self.panelWidget, 2)
self.frame = qtw.QFrame()
self.frame.setLayout(self.mainLayout)
self.setCentralWidget(self.frame)
self.setWindowTitle(self.title)
self.centreWindow()
#print(self.iconPath)
self.setWindowIcon(qtg.QIcon(self.iconPath))
self.cp = ColourPalette()
# Set size policies --------------------------------------------------------------------------
self.in1_sigmaSpinBox.setMinimumSize(70, 20)
self.in1_radiusSpinBox.setMinimumSize(70, 20)
self.in1_isosurfaceSpinBox.setMinimumSize(70, 20)
self.in2_sigmaSpinBox.setMinimumSize(70, 20)
self.in2_radiusSpinBox.setMinimumSize(70, 20)
self.in2_isosurfaceSpinBox.setMinimumSize(70, 20)
self.in1_mainGroupBox.setMaximumSize(1000, 1000)
self.in2_mainGroupBox.setMaximumSize(1000, 1000)
self.transformPanelGroupBox.setMaximumSize(1000, 1000)
self.rotLabel.setMaximumSize(15, 20)
self.transLabel.setMaximumSize(15, 20)
self.vtkWidget.setSizePolicy(qtw.QSizePolicy.MinimumExpanding,
qtw.QSizePolicy.MinimumExpanding)
self.in1_points_count.setMaximumSize(50, 30)
self.in2_points_count.setMaximumSize(50, 30)
self.in1_mainGroupBox.setSizePolicy(qtw.QSizePolicy.Maximum,
qtw.QSizePolicy.Maximum)
self.in2_mainGroupBox.setSizePolicy(qtw.QSizePolicy.Maximum,
qtw.QSizePolicy.Maximum)
self.transformPanelGroupBox.setSizePolicy(qtw.QSizePolicy.Maximum,
qtw.QSizePolicy.Maximum)
self.log_window.setSizePolicy(qtw.QSizePolicy.MinimumExpanding,
qtw.QSizePolicy.MinimumExpanding)
# Connect signals and slots ------------------------------------------------------------------
# The use of the lambda function is so that the same slot can be used for either pipeline
self.in1_loadPushButton.clicked.connect(lambda: self.openFile("in1"))
self.in1_pickableCheckBox.stateChanged.connect(
lambda s: self.togglePickable(s, "in1"))
self.in1_visibilityCheckBox.stateChanged.connect(
lambda s: self.toggleVisibility(s, "in1"))
self.in1_sigmaSpinBox.valueChanged.connect(
lambda s: self.changeSigma(s, "in1"))
self.in1_radiusSpinBox.valueChanged.connect(
lambda s: self.changeRadius(s, "in1"))
self.in1_isosurfaceSpinBox.valueChanged.connect(
lambda s: self.changeIsosurface(s, "in1"))
self.in2_loadPushButton.clicked.connect(lambda: self.openFile("in2"))
self.in2_pickableCheckBox.stateChanged.connect(
lambda s: self.togglePickable(s, "in2"))
self.in2_visibilityCheckBox.stateChanged.connect(
lambda s: self.toggleVisibility(s, "in2"))
self.in2_sigmaSpinBox.valueChanged.connect(
lambda s: self.changeSigma(s, "in2"))
self.in2_radiusSpinBox.valueChanged.connect(
lambda s: self.changeRadius(s, "in2"))
self.in2_isosurfaceSpinBox.valueChanged.connect(
lambda s: self.changeIsosurface(s, "in2"))
self.initRenderWindow()
self.in2_mainGroupBox.setEnabled(
False) # Force user to load in1 before in2
# Camera
self.rollCameraPushButton.clicked.connect(
lambda: self.updateCamera("roll"))
self.elevationCameraPushButton.clicked.connect(
lambda: self.updateCamera("elevation"))
self.azimuthCameraPushButton.clicked.connect(
lambda: self.updateCamera("azimuth"))
# Transform
self.landmarkTransformPushButton.clicked.connect(
self.applyLandmarkTransform)
self.icpTransformPushButton.clicked.connect(self.applyICPTransform)
self.resetTransformPushButton.clicked.connect(self.resetTransform)
self.viewTransformCheckBox.stateChanged.connect(
self.toggleTransformApplied)
# Menu actions
open_in1_action.triggered.connect(lambda: self.openFile("in1"))
open_in2_action.triggered.connect(lambda: self.openFile("in2"))
about_action.triggered.connect(self.about)
quit_action.triggered.connect(self.quit)
save_log_action.triggered.connect(self.saveLogFile)
save_points_action.triggered.connect(self.savePointsFile)
save_transform_matrix_action.triggered.connect(
lambda: self.saveTransformFile("matrix"))
save_transform_vector_action.triggered.connect(
lambda: self.saveTransformFile("vector"))
save_extrusion_action.triggered.connect(self.extrudeFromPoints)
# Variables for managing the VTK pipelines
self.in1_pipe = None
self.in2_pipe = None
# End main UI code
self.show()
def centreWindow(self):
qr = self.frameGeometry()
cp = qtw.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
def initRenderWindow(self):
# Create renderer
self.renderer = vtk.vtkRenderer()
self.renderer.SetBackground(self.cp.getColour("background2"))
# Create interactor
self.renWin = self.vtkWidget.GetRenderWindow()
self.renWin.AddRenderer(self.renderer)
self.iren = self.renWin.GetInteractor()
self.pickerstyle = MyInteractorStyle()
self.pickerstyle.AddObserver("UpdateEvent", self.keyEventDetected)
#self.pickerstyle.SetCurrentStyleToTrackballCamera()
self.iren.SetInteractorStyle(self.pickerstyle)
#print(self.iren.GetInteractorStyle().GetClassName())
# Initialize
self.iren.Initialize()
self.iren.Start()
def refreshRenderWindow(self):
self.renWin.Render()
self.renderer.ResetCamera()
self.iren.Render()
def setPipelineAttributesFromGUI(self, pipeline):
if (pipeline == "in1"):
if self.in1_pickableCheckBox.isChecked():
self.in1_pipe.setActorPickable(1)
else:
self.in1_pipe.setActorPickable(0)
if self.in1_visibilityCheckBox.isChecked():
self.in1_pipe.setActorVisibility(1)
else:
self.in1_pipe.setActorVisibility(0)
self.in1_pipe.setGaussStandardDeviation(
self.in1_sigmaSpinBox.value())
self.in1_pipe.setGaussRadius(self.in1_radiusSpinBox.value())
self.in1_pipe.setIsosurface(self.in1_isosurfaceSpinBox.value())
elif (pipeline == "in2"):
if self.in2_pickableCheckBox.isChecked():
self.in2_pipe.setActorPickable(1)
else:
self.in2_pipe.setActorPickable(0)
if self.in2_visibilityCheckBox.isChecked():
self.in2_pipe.setActorVisibility(1)
else:
self.in2_pipe.setActorVisibility(0)
self.in2_pipe.setGaussStandardDeviation(
self.in2_sigmaSpinBox.value())
self.in2_pipe.setGaussRadius(self.in2_radiusSpinBox.value())
self.in2_pipe.setIsosurface(self.in2_isosurfaceSpinBox.value())
else:
return
def createPipeline(self, _filename, pipeline):
# Remove any existing pipelines before creating a new one
if (pipeline == "in1"):
if (self.in1_pipe != None):
self.renderer.RemoveActor(self.in1_pipe.getActor())
self.pickerstyle.removePoints("in1_pipeline")
del self.in1_pipe
self.in1_pipe = None
self.in1_pipe = Pipeline()
self.in1_pipe.setActorColor(self.cp.getColour("bone1"))
self.in1_filenameLabel.setText(os.path.basename(_filename))
self.in1_filenameLabel.setToolTip(_filename)
ptr = self.in1_pipe
elif (pipeline == "in2"):
if (self.in2_pipe != None):
self.renderer.RemoveActor(self.in2_pipe.getActor())
self.pickerstyle.removePoints("in2_pipeline")
del self.in2_pipe
self.in2_pipe = None
self.in2_pipe = Pipeline()
self.in2_pipe.setActorColor(self.cp.getColour("bone2"))
self.in2_filenameLabel.setText(os.path.basename(_filename))
self.in2_filenameLabel.setToolTip(_filename)
ptr = self.in2_pipe
else:
return
self.setPipelineAttributesFromGUI(pipeline)
ptr.constructPipeline(_filename)
ptr.addActor(self.renderer)
self.pickerstyle.setMainActor(ptr.getActor(), (pipeline + "_pipeline"))
self.log_window.append(ptr.getProcessingLog())
self.log_window.append(ptr.getImageInfoLog())
self.refreshRenderWindow()
self.updateGUI()
return
def togglePickable(self, _state, pipeline):
if (pipeline == "in1"):
if (self.in1_pipe != None):
ptr = self.in1_pipe
else:
return
elif (pipeline == "in2"):
if (self.in2_pipe != None):
ptr = self.in2_pipe
else:
return
# Only two states are possible
if (qtc.Qt.Checked == _state):
ptr.setActorPickable(1)
self.statusBar().showMessage("Toggling actor pickability ON", 4000)
self.refreshRenderWindow()
else:
ptr.setActorPickable(0)
self.statusBar().showMessage("Toggling actor pickability OFF",
4000)
self.refreshRenderWindow()
return
def toggleVisibility(self, _state, pipeline):
if (pipeline == "in1"):
if (self.in1_pipe != None):
name = "in1_pipeline"
ptr = self.in1_pipe
else:
return
elif (pipeline == "in2"):
if (self.in2_pipe != None):
name = "in2_pipeline"
ptr = self.in2_pipe
else:
return
# Only two states are possible
if (qtc.Qt.Checked == _state):
ptr.setActorVisibility(1)
self.pickerstyle.setVisibilityOfPoints(name, 1)
self.statusBar().showMessage("Toggling actor visibility ON", 4000)
self.refreshRenderWindow()
else:
ptr.setActorVisibility(0)
self.pickerstyle.setVisibilityOfPoints(name, 0)
self.statusBar().showMessage("Toggling actor visibility OFF", 4000)
self.refreshRenderWindow()
return
def changeSigma(self, _value, pipeline):
if (pipeline == "in1"):
if (self.in1_pipe != None):
self.in1_pipe.setGaussStandardDeviation(_value)
self.statusBar().showMessage(
f"Changing standard deviation to {_value}", 4000)
self.refreshRenderWindow()
elif (pipeline == "in2"):
if (self.in2_pipe != None):
self.in2_pipe.setGaussStandardDeviation(_value)
self.statusBar().showMessage(
f"Changing standard deviation to {_value}", 4000)
self.refreshRenderWindow()
else:
return
return
def changeRadius(self, _value, pipeline):
if (pipeline == "in1"):
if (self.in1_pipe != None):
self.in1_pipe.setGaussRadius(_value)
self.statusBar().showMessage(f"Changing radius to {_value}",
4000)
self.refreshRenderWindow()
elif (pipeline == "in2"):
if (self.in2_pipe != None):
self.in2_pipe.setGaussRadius(_value)
self.statusBar().showMessage(f"Changing radius to {_value}",
4000)
self.refreshRenderWindow()
else:
return
return
def changeIsosurface(self, _value, pipeline):
if (pipeline == "in1"):
if (self.in1_pipe != None):
self.in1_pipe.setIsosurface(_value)
self.statusBar().showMessage(
f"Changing isosurface to {_value}", 4000)
self.refreshRenderWindow()
elif (pipeline == "in2"):
if (self.in2_pipe != None):
self.in2_pipe.setIsosurface(_value)
self.statusBar().showMessage(
f"Changing isosurface to {_value}", 4000)
self.refreshRenderWindow()
else:
return
return
def updateCamera(self, type):
camera = self.renderer.GetActiveCamera()
inc = self.incrementCameraSpinBox.value()
if (type == "roll"):
camera.Roll(inc)
if (type == "elevation"):
camera.Elevation(inc)
if (type == "azimuth"):
camera.Azimuth(inc)
camera.OrthogonalizeViewUp()
self.refreshRenderWindow()
return
def applyLandmarkTransform(self):
if (self.in2_pipe != None):
in1_pts = self.pickerstyle.getNumberOfPoints("in1_pipeline")
in2_pts = self.pickerstyle.getNumberOfPoints("in2_pipeline")
if (in1_pts == in2_pts and in1_pts >= 3):
lm = vtk.vtkLandmarkTransform()
lm.SetTargetLandmarks(
self.pickerstyle.getPoints("in1_pipeline"))
lm.SetSourceLandmarks(
self.pickerstyle.getPoints("in2_pipeline"))
lm.SetModeToRigidBody()
lm.Update()
mat = lm.GetMatrix()
self.in2_pipe.setRigidBodyTransformConcatenateMatrix(mat)
self.pickerstyle.removePoints("in1_pipeline")
self.pickerstyle.removePoints("in2_pipeline")
self.refreshRenderWindow()
self.updateGUI()
self.statusBar().showMessage(
f"Landmark transform complete based on {in1_pts}", 4000)
else:
self.statusBar().showMessage(
"ERROR: Landmark transform could not be executed", 4000)
def applyICPTransform(self):
if (self.in2_pipe != None):
icp = vtk.vtkIterativeClosestPointTransform()
icp.SetTarget(self.in1_pipe.getPolyData())
icp.SetSource(self.in2_pipe.getPolyData())
icp.SetMaximumNumberOfIterations(10)
icp.StartByMatchingCentroidsOn()
icp.GetInverse()
icp.Update()
# Concatenate the transform
mat = icp.GetMatrix()
self.in2_pipe.setRigidBodyTransformConcatenateMatrix(mat)
# Clean up
self.pickerstyle.removePoints("in1_pipeline")
self.pickerstyle.removePoints("in2_pipeline")
self.refreshRenderWindow()
self.updateGUI()
self.statusBar().clearMessage()
self.statusBar().showMessage("ICP transform complete", 4000)
def resetTransform(self):
if (self.in2_pipe != None):
reply = qtw.QMessageBox.question(
self, "Message",
"Are you sure you want to reset the transform?",
qtw.QMessageBox.Yes | qtw.QMessageBox.No, qtw.QMessageBox.Yes)
if reply == qtw.QMessageBox.Yes:
self.in2_pipe.setRigidBodyTransformToIdentity()
self.pickerstyle.removePoints("in1_pipeline")
self.pickerstyle.removePoints("in2_pipeline")
self.refreshRenderWindow()
self.updateGUI()
self.statusBar().showMessage("Reset transform complete", 4000)
def toggleTransformApplied(self, _state):
if (self.in2_pipe != None):
if (qtc.Qt.Checked == _state):
self.in2_pipe.useTransform(True)
self.statusBar().showMessage(
"Toggling transform visibility ON", 4000)
else:
self.in2_pipe.useTransform(False)
self.statusBar().showMessage(
"Toggling transform visibility OFF", 4000)
self.refreshRenderWindow()
def updateMatrixGUI(self, _mat):
precision = 3
formatter = "{{:6.{}f}}".format(precision)
self.mat11.setText(formatter.format(float(_mat.GetElement(0, 0))))
self.mat12.setText(formatter.format(float(_mat.GetElement(0, 1))))
self.mat13.setText(formatter.format(float(_mat.GetElement(0, 2))))
self.mat14.setText(formatter.format(float(_mat.GetElement(0, 3))))
self.mat21.setText(formatter.format(float(_mat.GetElement(1, 0))))
self.mat22.setText(formatter.format(float(_mat.GetElement(1, 1))))
self.mat23.setText(formatter.format(float(_mat.GetElement(1, 2))))
self.mat24.setText(formatter.format(float(_mat.GetElement(1, 3))))
self.mat31.setText(formatter.format(float(_mat.GetElement(2, 0))))
self.mat32.setText(formatter.format(float(_mat.GetElement(2, 1))))
self.mat33.setText(formatter.format(float(_mat.GetElement(2, 2))))
self.mat34.setText(formatter.format(float(_mat.GetElement(2, 3))))
self.mat41.setText(formatter.format(float(_mat.GetElement(3, 0))))
self.mat42.setText(formatter.format(float(_mat.GetElement(3, 1))))
self.mat43.setText(formatter.format(float(_mat.GetElement(3, 2))))
self.mat44.setText(formatter.format(float(_mat.GetElement(3, 3))))
return
def updateVectorsGUI(self):
if (self.in2_pipe == None):
return
converter = ScancoMatrixConverter()
mat = self.in2_pipe.getMatrix()
converter.setDimImage1(self.in1_pipe.getDimensions())
converter.setDimImage2(self.in2_pipe.getDimensions())
converter.setPosImage1(self.in1_pipe.getPosition())
converter.setPosImage2(self.in2_pipe.getPosition())
converter.setElSizeMMImage1(self.in1_pipe.getElementSize())
converter.setElSizeMMImage2(self.in2_pipe.getElementSize())
converter.setTransform(mat)
converter.calculateVectors()
rot = converter.getRotationVector()
trans = converter.getTranslationVector()
precision = 3
formatter = "{{:6.{}f}}".format(precision)
self.rot1.setText(formatter.format(float(rot[0])))
self.rot2.setText(formatter.format(float(rot[1])))
self.rot3.setText(formatter.format(float(rot[2])))
self.trans1.setText(formatter.format(float(trans[0])))
self.trans2.setText(formatter.format(float(trans[1])))
self.trans3.setText(formatter.format(float(trans[2])))
return
def updateGUI(self):
in1_pts = self.pickerstyle.getNumberOfPoints("in1_pipeline")
in2_pts = self.pickerstyle.getNumberOfPoints("in2_pipeline")
#print("There are " + str(in1_pts) + " in1 points.")
#print("There are " + str(in2_pts) + " in2 points.")
self.in1_points_count.display(in1_pts)
self.in2_points_count.display(in2_pts)
if (in1_pts == in2_pts and in1_pts >= 3):
self.landmarkTransformPushButton.setEnabled(True)
else:
self.landmarkTransformPushButton.setEnabled(False)
if (self.in1_pipe != None):
self.in2_mainGroupBox.setEnabled(
True) # activate GUI for in2_pipeline
self.in1_sigmaSpinBox.setValue(
self.in1_pipe.getGaussStandardDeviation())
self.in1_radiusSpinBox.setValue(self.in1_pipe.getGaussRadius())
self.in1_isosurfaceSpinBox.setValue(self.in1_pipe.getIsosurface())
if (self.in2_pipe != None):
self.updateMatrixGUI(self.in2_pipe.getMatrix())
self.updateVectorsGUI()
self.in2_sigmaSpinBox.setValue(
self.in2_pipe.getGaussStandardDeviation())
self.in2_radiusSpinBox.setValue(self.in2_pipe.getGaussRadius())
self.in2_isosurfaceSpinBox.setValue(self.in2_pipe.getIsosurface())
return
def keyEventDetected(self, obj, event):
self.updateGUI()
key = self.vtkWidget.GetKeySym()
if (key in 'p') or (key in 'd'): # pick or delete points
self.log_window.append(self.pickerstyle.getPointActionString())
# print("keypress – clicked "+key)
return
def mouseEventDetected(self, obj, event):
print("mouserelease – click!")
return
def validExtension(self, extension):
if (extension == ".aim" or \
extension == ".nii" or \
extension == ".dcm" or \
extension == ".stl"):
return True
else:
return False
def openFile(self, pipeline_name):
if (pipeline_name == "in2" and self.in1_pipe == None):
qtw.QMessageBox.warning(
self, "Warning", "Image 2 cannot be loaded before image 1.")
return
self.statusBar().showMessage("Load image types (.aim, .nii, .dcm)",
4000)
filename, _ = qtw.QFileDialog.getOpenFileName(
self, "Select a 3D image file to open…", qtc.QDir.homePath(),
"Aim Files (*.aim) ;;Nifti Files (*.nii) ;;DICOM Files (*.dcm) ;;STL Files (*.stl) ;;All Files (*)",
"All Files (*)", qtw.QFileDialog.DontUseNativeDialog
| qtw.QFileDialog.DontResolveSymlinks)
if filename:
_, ext = os.path.splitext(filename)
if not (self.validExtension(ext.lower())):
qtw.QMessageBox.warning(self, "Error", "Invalid file type.")
return
self.createPipeline(filename, pipeline_name)
self.statusBar().showMessage("Loading file " + filename, 4000)
return
def saveLogFile(self):
filename, _ = qtw.QFileDialog.getSaveFileName(
self, "Select the file to save to…", qtc.QDir.homePath(),
"Text Files (*.txt) ")
if filename:
try:
with open(filename, 'w') as fh:
fh.write(self.log_window.toPlainText())
except Exception as e:
qtw.QMessageBox.critical(self, f"Could not save file: {e}")
def savePointsFile(self):
filename, _ = qtw.QFileDialog.getSaveFileName(
self, "Select the file to save to…", qtc.QDir.homePath(),
"Text Files (*.txt) ;;Python Files (*.py) ;;All Files (*)")
if filename:
try:
with open(filename, 'w') as fh:
fh.write(self.pickerstyle.getAllPointsAsString())
except Exception as e:
qtw.QMessageBox.critical(self, f"Could not save file: {e}")
def saveTransformFile(self, type):
converter = ScancoMatrixConverter()
if (self.in2_pipe == None):
mat = vtk.vtkMatrix4x4()
converter.setDimImage1(self.in1_pipe.getDimensions())
converter.setPosImage1(self.in1_pipe.getPosition())
converter.setElSizeMMImage1(self.in1_pipe.getElementSize())
converter.setTransform(mat)
converter.calculateVectors()
else:
mat = self.in2_pipe.getMatrix()
converter.setDimImage1(self.in1_pipe.getDimensions())
converter.setDimImage2(self.in2_pipe.getDimensions())
converter.setPosImage1(self.in1_pipe.getPosition())
converter.setPosImage2(self.in2_pipe.getPosition())
converter.setElSizeMMImage1(self.in1_pipe.getElementSize())
converter.setElSizeMMImage2(self.in2_pipe.getElementSize())
converter.setTransform(mat)
converter.calculateVectors()
filename, _ = qtw.QFileDialog.getSaveFileName(
self, "Select the file to save to…", qtc.QDir.homePath(),
"Text Files (*.txt) ;;Python Files (*.py) ;;All Files (*)")
if filename:
try:
with open(filename, 'w') as fh:
s = ""
if (type == "matrix"):
s += converter.getTransformAsString()
if (type == "vector"):
s += converter.getVectorsAsString()
fh.write(s)
except Exception as e:
qtw.QMessageBox.critical(self, f"Could not save file: {e}")
def quit(self):
reply = qtw.QMessageBox.question(
self, "Message", "Are you sure you want to quit?",
qtw.QMessageBox.Yes | qtw.QMessageBox.No, qtw.QMessageBox.Yes)
if reply == qtw.QMessageBox.Yes:
exit(0)
def about(self):
about = qtw.QMessageBox(self)
about.setWindowIcon(qtg.QIcon('/bonelab/gui/src/icon.png'))
about.setIcon(qtw.QMessageBox.Information)
about.setText("blQtViewer 1.0")
about.setInformativeText(
"Copyright (C) 2020\nBone Imaging Laboratory\nAll rights reserved.\[email protected]"
)
about.setStandardButtons(qtw.QMessageBox.Ok | qtw.QMessageBox.Cancel)
about.exec_()
def extrudeFromPoints(self):
pts = self.pickerstyle.getPoints("in1_pipeline")
if (pts.GetNumberOfPoints() < 3):
qtw.QMessageBox.warning(
self, "Warning",
"At least 3 points must be defined on image 1 to create extrusion."
)
return
if (not self.in1_pipe.getIsValidForExtrusion()):
qtw.QMessageBox.warning(
self, "Warning",
"Extrusion may not work properly when input file is not of type AIM."
)
# Spline
spline = vtk.vtkParametricSpline()
spline.SetPoints(pts)
spline.ClosedOn()
parametricFunction = vtk.vtkParametricFunctionSource()
parametricFunction.SetParametricFunction(spline)
parametricFunction.Update()
# Extrude
extrusionFactor = 100.0 # mm above and below surface
# A large number will cause the extrusion to fill the extent of the input image
positiveExtruder = vtk.vtkLinearExtrusionFilter()
positiveExtruder.SetInputConnection(parametricFunction.GetOutputPort())
positiveExtruder.SetExtrusionTypeToNormalExtrusion()
positiveExtruder.SetVector(0, 0, 1)
positiveExtruder.CappingOn()
positiveExtruder.SetScaleFactor(extrusionFactor)
posTriFilter = vtk.vtkTriangleFilter()
posTriFilter.SetInputConnection(positiveExtruder.GetOutputPort())
negativeExtruder = vtk.vtkLinearExtrusionFilter()
negativeExtruder.SetInputConnection(parametricFunction.GetOutputPort())
negativeExtruder.SetExtrusionTypeToNormalExtrusion()
negativeExtruder.SetVector(0, 0, -1)
negativeExtruder.CappingOn()
negativeExtruder.SetScaleFactor(extrusionFactor)
negTriFilter = vtk.vtkTriangleFilter()
negTriFilter.SetInputConnection(negativeExtruder.GetOutputPort())
# Combine data
combiner = vtk.vtkAppendPolyData()
combiner.AddInputConnection(posTriFilter.GetOutputPort())
combiner.AddInputConnection(negTriFilter.GetOutputPort())
cleaner = vtk.vtkCleanPolyData()
cleaner.SetInputConnection(combiner.GetOutputPort())
cleaner.Update()
el_size_mm = self.in1_pipe.getElementSize()
dim = self.in1_pipe.getDimensions()
extent = self.in1_pipe.getExtent()
origin = self.in1_pipe.getOrigin()
foregroundValue = 127
backgroundValue = 0
# Stencil
whiteImage = vtk.vtkImageData()
whiteImage.SetSpacing(el_size_mm)
whiteImage.SetDimensions(dim)
whiteImage.SetExtent(extent)
whiteImage.SetOrigin(origin)
whiteImage.AllocateScalars(vtk.VTK_CHAR, 1)
whiteImage.GetPointData().GetScalars().Fill(foregroundValue)
# Use our extruded polydata to stencil the solid image
poly2sten = vtk.vtkPolyDataToImageStencil()
poly2sten.SetTolerance(0)
#poly2sten.SetInputConnection(clipper.GetOutputPort())
poly2sten.SetInputConnection(cleaner.GetOutputPort())
poly2sten.SetOutputOrigin(origin)
poly2sten.SetOutputSpacing(el_size_mm)
poly2sten.SetOutputWholeExtent(whiteImage.GetExtent())
stencil = vtk.vtkImageStencil()
stencil.SetInputData(whiteImage)
stencil.SetStencilConnection(poly2sten.GetOutputPort())
#stencil.ReverseStencilOff()
stencil.SetBackgroundValue(backgroundValue)
stencil.Update()
# Write image
filename, _ = qtw.QFileDialog.getSaveFileName(
self, "Select the file to save to…", qtc.QDir.homePath(),
"AIM File (*.aim)")
if (filename):
writer = vtkbone.vtkboneAIMWriter()
writer.SetInputConnection(stencil.GetOutputPort())
writer.SetFileName(filename)
writer.SetProcessingLog(
'!-------------------------------------------------------------------------------\n'
+ 'Written by blQtViewer.')
writer.Update()
self.statusBar().showMessage("File " + filename + " written.",
4000)
class QLiverViewer(QtWidgets.QFrame):
colors = vtk.vtkNamedColors()
widgetMoved = Signal(object, object, object) #float)
widgetRegistered = Signal(object, object, object)
def __init__(self, parent):
super(QLiverViewer, self).__init__(parent)
# Make the actual QtWidget a child so that it can be re_parented
self.interactor = QVTKRenderWindowInteractor(self)
self.layout = QtWidgets.QHBoxLayout()
self.layout.addWidget(self.interactor)
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
self.imgWidth: float = 50.0 # mm
self.worldScale: float = 0.05
self.worldScale: float = 1.0
self.brighter25: bool = True
self.opacity: float = 0.35
self.showReferencePlane = False
self.nReferences = 2
self.refplanes = [] # Displayed reference planes
self.planeWidgets = [] # Widgets for manipulation
self.contours = [] # Contours clipped to reference plane
self.fullcontours = [] # Full contour data
self.planeSources = []
self.userAttempts = []
self.contourResults = self.nReferences * [None]
self.vessels = None
self.liver = None
self.initScene()
self.initLiver()
self.initVessels() # Must be before planeWidgets
self.lastPositions = dict({
'origin': self.nReferences * [None],
'normal': self.nReferences * [None],
'axis1': self.nReferences * [None],
'reset': self.nReferences * [None]
})
self.lastIndex = None
self.initPlaneWidgets(0)
if not IOUSFAN:
self.initPlaneWidgets(1)
self.resetCamera()
self.style = vtk.vtkInteractorStyleTrackballCamera()
self.style.SetDefaultRenderer(self.renderer)
self.interactor.SetInteractorStyle(self.style)
self.interactor.AddObserver('KeyPressEvent', self.KeyPress, 1.0)
def KeyPress(self, obj, ev):
key = obj.GetKeySym()
index = self.lastIndex
if self.lastIndex is None:
return
userAttempt = self.userAttempts[index]
planeWidget = self.planeWidgets[index]
refActor = self.refplanes[index]
resetPositions = self.lastPositions['reset'][index]
planeSource = self.planeSources[index]
contourActor = self.contours[index]
if key == 'c':
print('Reset')
userAttempt.SetUserTransform(None)
userAttempt.Modified()
# Reset planeWidget
planeWidget.SetEnabled(0)
planeWidget.SetOrigin(resetPositions[0])
planeWidget.SetPoint1(resetPositions[1])
planeWidget.SetPoint2(resetPositions[2])
planeWidget.Modified()
planeWidget.SetEnabled(1)
lastNormal = planeWidget.GetNormal()
lastAxis1 = vtk.vtkVector3d()
vtk.vtkMath.Subtract(planeWidget.GetPoint1(),
planeWidget.GetOrigin(), lastAxis1)
lastOrigin = planeWidget.GetCenter()
self.lastPositions['origin'][index] = lastOrigin
self.lastPositions['normal'][index] = lastNormal
self.lastPositions['axis1'][index] = lastAxis1
if self.contourResults[index] is not None:
self.renderer.RemoveActor(self.contourResults[index])
self.contourResults[index] = None
self.render_window.Render()
elif key == 's':
print('Registration')
# ============ run ICP ==============
icp = vtk.vtkIterativeClosestPointTransform()
# Transform contours
tfpdf0 = vtk.vtkTransformPolyDataFilter()
tfpdf0.SetInputData(self.fullcontours[index])
tfpdf0.SetTransform(userAttempt.GetUserTransform())
tfpdf0.Update()
wrongContours = tfpdf0.GetOutput()
icp.SetSource(wrongContours)
icp.SetTarget(self.vesselPolyData)
icp.GetLandmarkTransform().SetModeToRigidBody()
icp.DebugOn()
icp.SetMaximumNumberOfIterations(10)
icp.StartByMatchingCentroidsOff()
icp.SetCheckMeanDistance(1) # Experiment
#icp.SetMeanDistanceModeToAbsoluteValue() # Original
icp.SetMeanDistanceModeToRMS() # Default
#print(icp.GetLandmarkTransform())
#sys.stdout.write("Before: ")
#print(icp.GetMeanDistance())
from vtkUtils import CloudMeanDist
dist0 = CloudMeanDist(wrongContours, self.vesselPolyData)
print(dist0)
icp.Modified()
icp.Update()
#print(icp) # Shows mean distance
#print(icp.GetLandmarkTransform())
icpTransformFilter = vtk.vtkTransformPolyDataFilter()
icpTransformFilter.SetInputData(wrongContours)
icpTransformFilter.SetTransform(icp)
icpTransformFilter.Update()
correctedContours = icpTransformFilter.GetOutput()
dist1 = CloudMeanDist(correctedContours, self.vesselPolyData)
print(dist1)
#sys.stdout.write("After: ")
#print(icp.GetMeanDistance())
tubes = vtk.vtkTubeFilter()
tubes.SetInputData(correctedContours)
tubes.CappingOn()
tubes.SidesShareVerticesOff()
tubes.SetNumberOfSides(12)
tubes.SetRadius(1.0)
edgeMapper = vtk.vtkPolyDataMapper()
edgeMapper.ScalarVisibilityOff()
edgeMapper.SetInputConnection(tubes.GetOutputPort())
if self.contourResults[index] is not None:
self.renderer.RemoveActor(self.contourResults[index])
testActor = vtk.vtkActor()
testActor.SetMapper(edgeMapper)
prop = testActor.GetProperty()
prop.SetColor(yellow)
prop.SetLineWidth(3)
self.renderer.AddActor(testActor)
self.contourResults[index] = testActor
# Concatenate and get transform (w,x,y,z)
userAttempt.GetUserTransform().Concatenate(icp.GetMatrix())
userAttempt.GetUserTransform().Update()
(deg, x, y,
z) = userAttempt.GetUserTransform().GetOrientationWXYZ()
resetPositions = self.lastPositions['reset'][index]
# Not correct!!!
positionError = np.array(
userAttempt.GetUserTransform().GetPosition())
positionError = np.array(
userAttempt.GetUserTransform().TransformPoint(
resetPositions[3])) - np.array(resetPositions[3])
# Reset afterwards
userAttempt.SetUserTransform(None)
userAttempt.Modified()
# Reset planeWidget.
planeWidget.SetEnabled(0)
planeWidget.SetOrigin(resetPositions[0])
planeWidget.SetPoint1(resetPositions[1])
planeWidget.SetPoint2(resetPositions[2])
planeWidget.Modified()
planeWidget.SetEnabled(1)
lastNormal = planeWidget.GetNormal()
lastAxis1 = vtk.vtkVector3d()
vtk.vtkMath.Subtract(planeWidget.GetPoint1(),
planeWidget.GetOrigin(), lastAxis1)
lastOrigin = planeWidget.GetCenter()
self.lastPositions['origin'][index] = lastOrigin
self.lastPositions['normal'][index] = lastNormal
self.lastPositions['axis1'][index] = lastAxis1
self.render_window.Render()
originalNormal = resetPositions[4]
originalNormal = originalNormal / np.sqrt(np.sum(originalNormal**
2))
self.widgetRegistered.emit((deg, np.r_[x, y, z]), originalNormal,
positionError)
elif key == 'm':
# Move a reference
print('Moving reference')
showReferencePlane = False
# Remove old reference plane
if refActor is not None:
self.removeActor(refActor)
refActor = None
showReferencePlane = True
# Move reference plane
planeSource.SetOrigin(planeWidget.GetOrigin())
planeSource.SetPoint1(planeWidget.GetPoint1())
planeSource.SetPoint2(planeWidget.GetPoint2())
# mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(planeSource.GetOutputPort())
# New reference actor
if showReferencePlane:
refActor = vtk.vtkActor()
refActor.SetMapper(mapper)
prop = refActor.GetProperty()
prop.SetColor(blue)
prop.SetOpacity(self.opacity)
self.refplanes[index] = refActor
self.renderer.AddActor(refActor)
self.removeActor(contourActor)
tubes, oldContours = self.computeContoursAndTubes(planeSource)
edgeMapper = vtk.vtkPolyDataMapper()
edgeMapper.ScalarVisibilityOff()
edgeMapper.SetInputConnection(tubes.GetOutputPort())
planes = self.computeClippingPlanes(planeSource)
edgeMapper.SetClippingPlanes(planes)
actor = vtk.vtkActor()
actor.SetMapper(edgeMapper)
prop = actor.GetProperty()
prop.SetColor(green)
prop.SetLineWidth(3)
self.contours[index] = actor
self.renderer.AddActor(actor)
# User attempt
self.removeActor(userAttempt)
attempt = vtk.vtkActor()
transform = vtk.vtkTransform()
trans = vtk.vtkMatrix4x4()
trans.Identity()
transform.SetMatrix(trans)
transform.PostMultiply()
attempt.SetUserTransform(transform)
self.fullcontours[index] = oldContours
mapper = vtk.vtkPolyDataMapper()
mapper.ScalarVisibilityOff()
mapper.SetInputData(oldContours)
attempt.SetMapper(mapper)
attempt.GetProperty().SetColor(red)
self.userAttempts[index] = attempt
self.renderer.AddActor(attempt)
# Update reset positions of plane widget
self.lastPositions['reset'][index] = [
planeWidget.GetOrigin(),
planeWidget.GetPoint1(),
planeWidget.GetPoint2(),
planeWidget.GetCenter(),
np.array(planeWidget.GetNormal())
] # Redundant
sys.stdout.write('Plane origin: ')
print(planeWidget.GetOrigin())
sys.stdout.write('Plane point1: ')
print(planeWidget.GetPoint1())
sys.stdout.write('Plane point2: ')
print(planeWidget.GetPoint2())
print(
"To make the app start at this location, insert these points near the tag\n 'FIXED PLANE POSITION AND ORIENTATION' in LiverView.py"
)
self.render_window.Render()
def removeActor(self, actor):
self.interactor.Disable()
self.renderer.RemoveActor(actor)
self.interactor.Enable()
# self.render_window.Render()
def scale(self, polyData):
if self.worldScale == 1.0:
return polyData
else:
transform = vtk.vtkTransform()
transform.Scale(self.worldScale, self.worldScale, self.worldScale)
transformFilter = vtk.vtkTransformPolyDataFilter()
transformFilter.SetInputData(polyData)
transformFilter.SetTransform(transform)
transformFilter.Update()
return transformFilter.GetOutput()
def getReferencePosition(self, index):
"""
Dumped from slicer program
"""
refplanes = []
centers = []
if IOUSFAN:
refplanes.append(
np.array([[1, 0, 0, -191.357], [0, 0, -1, 17.9393],
[0, 1, 0, 192.499], [0, 0, 0, 1]]))
centers.append(np.r_[117.54695990115218, 103.95861040356766,
127.81653778974703])
else:
refplanes.append(
np.array([[
0.99722, -0.00658366270883304, 0.0741938205770847, -321.64
], [0.07419, 0.17584, -0.98162, -227.46],
[-0.0065837, 0.98440, 0.17584, -563.67],
[0, 0, 0, 1.0]]))
centers.append(np.r_[-75.696, -149.42, -231.76])
refplanes.append(
np.array([[
0.9824507428729312, -0.028608856565971154,
0.1843151408713164, -221.425151769367
],
[
0.18431514087131629, 0.3004711475787132,
-0.935812491003576, -325.6553959586223
],
[
-0.028608856565971223, 0.9533617481306448,
0.3004711475787133, -547.1574253306663
], [0, 0, 0, 1]]))
centers.append(np.r_[-31.317285034663634, -174.62449255285645,
-193.39018826551072])
return centers[index], refplanes[index]
def resetCamera(self):
qDebug('resetCamera')
self.renderer.ResetCamera()
def initScene(self):
qDebug('initScene()')
self.renderer = vtk.vtkOpenGLRenderer()
self.render_window = self.interactor.GetRenderWindow()
self.render_window.AddRenderer(self.renderer)
self.cellPicker = vtk.vtkCellPicker()
self.cellPicker.SetTolerance(30.0)
self.interactor.SetPicker(self.cellPicker)
#* Top background color
bg_t = np.ones(3) * 245.0 / 255.0
#* Bottom background color
bg_b = np.ones(3) * 170.0 / 255.0
self.renderer.SetBackground(bg_t)
self.renderer.SetBackground2(bg_b)
self.renderer.GradientBackgroundOn()
def computeClippingPlanes(self, source):
# Clipping planes
planes = vtk.vtkPlaneCollection()
axis1 = np.array(source.GetPoint1()) - np.array(source.GetOrigin())
axis2 = np.array(source.GetPoint2()) - np.array(source.GetOrigin())
# Okay
plane1 = vtk.vtkPlane()
plane1.SetOrigin(source.GetOrigin())
plane1.SetNormal(axis2)
plane2 = vtk.vtkPlane()
plane2.SetOrigin(source.GetOrigin())
plane2.SetNormal(axis1)
tmp = axis2 + np.array(source.GetPoint1())
plane3 = vtk.vtkPlane()
plane3.SetOrigin(tmp)
plane3.SetNormal(-axis2)
plane4 = vtk.vtkPlane()
plane4.SetOrigin(tmp)
plane4.SetNormal(-axis1)
planes.AddItem(plane1)
planes.AddItem(plane2)
planes.AddItem(plane3)
planes.AddItem(plane4)
return planes
def computeContoursAndTubes(self, source):
# Plane for intersection
plane = vtk.vtkPlane()
plane.SetOrigin(source.GetOrigin())
plane.SetNormal(source.GetNormal())
cutEdges = vtk.vtkCutter()
cutEdges.SetInputConnection(self.vesselNormals.GetOutputPort())
cutEdges.SetCutFunction(plane)
cutEdges.GenerateCutScalarsOff() # Was on
cutEdges.SetValue(0, 0.5)
cutEdges.Update()
cutStrips = vtk.vtkStripper()
cutStrips.SetInputConnection(cutEdges.GetOutputPort())
cutStrips.Update()
oldContours = cutStrips.GetOutput()
tubes = vtk.vtkTubeFilter()
tubes.SetInputConnection(cutStrips.GetOutputPort())
tubes.CappingOn()
tubes.SidesShareVerticesOff()
tubes.SetNumberOfSides(12)
tubes.SetRadius(self.worldScale * 1.0)
return tubes, oldContours
def initPlaneWidgets(self, index):
qDebug('initPlaneWidgets()')
center, htrans = self.getReferencePosition(index)
hw = self.imgWidth
shw = self.worldScale * hw
source = vtk.vtkPlaneSource()
source.SetOrigin(0, 0, 0)
source.SetPoint1(shw, 0, 0)
source.SetPoint2(0, shw, 0)
transform = vtk.vtkTransform()
mat = vtk.vtkMatrix4x4()
for i in range(4):
for j in range(4):
mat.SetElement(i, j, htrans[i, j])
# Should transformation also be scaled??
for i in range(3):
mat.SetElement(i, 3, self.worldScale * mat.GetElement(i, 3))
transform.SetMatrix(mat)
transform.Update()
origin = source.GetOrigin()
origin = transform.TransformPoint(origin)
source.SetOrigin(origin)
p1 = source.GetPoint1()
p1 = transform.TransformPoint(p1)
source.SetPoint1(p1)
p2 = source.GetPoint2()
p2 = transform.TransformPoint(p2)
source.SetPoint2(p2)
source.Update()
source.SetCenter(self.worldScale * center)
source.Update()
# Test position good for slice 17 (HACK)
if (IOUSFAN):
source.SetOrigin(-36.00039424299387, 58.447421532729656,
116.93018531955384)
source.SetPoint1(13.731795848152041, 54.203001711976306,
119.87877296847647)
source.SetPoint2(-40.18599847580337, 8.635225461941415,
115.82300881527104)
source.Update()
self.planeSources.append(source)
#####################################
# Blue reference plane
#####################################
# mapper
if self.showReferencePlane:
mapper0 = vtk.vtkPolyDataMapper()
mapper0.SetInputConnection(source.GetOutputPort())
# actor
refActor = vtk.vtkActor()
refActor.SetMapper(mapper0)
prop = refActor.GetProperty()
prop.SetColor(blue)
prop.SetOpacity(self.opacity)
self.refplanes.append(refActor)
self.renderer.AddActor(refActor)
else:
self.refplanes.append(None)
#####################################
# Compute contours, tubes and clipping
#####################################
tubes, oldContours = self.computeContoursAndTubes(source)
edgeMapper = vtk.vtkPolyDataMapper()
edgeMapper.ScalarVisibilityOff()
edgeMapper.SetInputConnection(tubes.GetOutputPort())
planes = self.computeClippingPlanes(source)
edgeMapper.SetClippingPlanes(planes)
actor = vtk.vtkActor()
actor.SetMapper(edgeMapper)
prop = actor.GetProperty()
prop.SetColor(green)
prop.SetLineWidth(3)
self.contours.append(actor)
self.renderer.AddActor(actor)
###################################################
# Plane widget for interaction
###################################################
planeWidget = vtk.vtkPlaneWidget()
planeWidget.SetInteractor(self.interactor)
planeWidget.SetOrigin(source.GetOrigin())
planeWidget.SetPoint1(source.GetPoint1())
planeWidget.SetPoint2(source.GetPoint2())
prop = planeWidget.GetHandleProperty()
prop.SetColor(QLiverViewer.colors.GetColor3d("Red"))
prop = planeWidget.GetPlaneProperty()
prop.SetColor(QLiverViewer.colors.GetColor3d("Red"))
# Original position and orientation of reference plane
self.lastPositions['reset'][index] = [
planeWidget.GetOrigin(),
planeWidget.GetPoint1(),
planeWidget.GetPoint2(),
planeWidget.GetCenter(),
np.array(planeWidget.GetNormal())
] # Redundant
print('normal')
print(planeWidget.GetNormal())
planeWidget.SetEnabled(1)
planeWidget.AddObserver(vtk.vtkCommand.EndInteractionEvent,
self.onWidgetMoved, 1.0)
attempt = vtk.vtkActor()
self.fullcontours.append(oldContours)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputData(oldContours)
attempt.SetMapper(mapper)
attempt.GetProperty().SetColor(red)
self.userAttempts.append(attempt)
self.renderer.AddActor(attempt)
lastNormal = planeWidget.GetNormal()
lastAxis1 = vtk.vtkVector3d()
vtk.vtkMath.Subtract(planeWidget.GetPoint1(), planeWidget.GetOrigin(),
lastAxis1)
lastOrigin = planeWidget.GetCenter()
self.lastPositions['origin'][index] = lastOrigin
self.lastPositions['normal'][index] = lastNormal
self.lastPositions['axis1'][index] = lastAxis1
self.planeWidgets.append(planeWidget)
self.render_window.Render()
def onWidgetMoved(self, obj, ev):
if (obj in self.planeWidgets):
index = self.planeWidgets.index(obj)
self.lastIndex = index
normal0 = self.lastPositions['normal'][index]
first0 = self.lastPositions['axis1'][index]
origin0 = self.lastPositions['origin'][index]
normal1 = np.array(obj.GetNormal())
first1 = np.array(obj.GetPoint1()) - np.array(obj.GetOrigin())
origin1 = obj.GetCenter()
trans = AxesToTransform(normal0, first0, origin0, normal1, first1,
origin1)
if self.userAttempts[index].GetUserTransform() is not None:
self.userAttempts[index].GetUserTransform().Concatenate(trans)
else:
transform = vtk.vtkTransform()
transform.SetMatrix(trans)
transform.PostMultiply()
self.userAttempts[index].SetUserTransform(transform)
(deg, x, y, z) = self.userAttempts[index].GetUserTransform(
).GetOrientationWXYZ()
self.lastPositions['origin'][index] = obj.GetCenter()
lastAxis1 = [first1[0], first1[1], first1[2]]
lastNormal = (normal1[0], normal1[1], normal1[2])
self.lastPositions['axis1'][index] = lastAxis1
self.lastPositions['normal'][index] = lastNormal
self.userAttempts[index].Modified()
self.render_window.Render()
print("center")
print('wtf')
originalNormal = self.lastPositions['reset'][index][4]
originalNormal = originalNormal / np.sqrt(np.sum(originalNormal**
2))
self.widgetMoved.emit(
(deg, np.r_[x, y, z]), originalNormal,
np.array(obj.GetCenter()) -
np.array(self.lastPositions['reset'][index][3]))
#print(ev)
def initVessels(self):
qDebug('initVessels()')
if os.name == 'nt':
filename = os.path.join(filedir,
'../../data/Abdomen/Connected.vtp')
if IOUSFAN:
#filename = 'e:/analogic/TrialVTK/data/VesselMeshData.vtk'
filename = 'e:/analogic/TrialVTK/data/LiverVesselMeshData.vtk'
else:
filename = '/home/jmh/bkmedical/data/CT/Connected.vtp'
# read data
if IOUSFAN:
reader = vtk.vtkGenericDataObjectReader()
else:
reader = vtk.vtkXMLPolyDataReader()
reader.SetFileName(filename)
reader.Update()
connectFilter = vtk.vtkPolyDataConnectivityFilter()
connectFilter.SetInputConnection(reader.GetOutputPort())
connectFilter.SetExtractionModeToLargestRegion()
connectFilter.Update()
self.vesselPolyData = self.scale(connectFilter.GetOutput())
# compute normals
self.vesselNormals = vtk.vtkPolyDataNormals()
self.vesselNormals.SetInputData(self.vesselPolyData)
# mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(self.vesselNormals.GetOutputPort())
# actor for vessels
self.vessels = vtk.vtkActor()
self.vessels.SetMapper(mapper)
prop = self.vessels.GetProperty()
if self.brighter25:
prop.SetColor(vtk.vtkColor3d(hexCol("#517487"))) # 25% lighter
else:
prop.SetColor(vtk.vtkColor3d(hexCol("#415d6c")))
# assign actor to the renderer
self.renderer.AddActor(self.vessels)
def initLiver(self):
qDebug('initLiver()')
if os.name == 'nt':
filename = os.path.join(
filedir, '../../data/Abdomen/Liver_3D-interpolation.vtp')
if IOUSFAN:
filename = 'e:/analogic/TrialVTK/data/segmented_liver_ITK_snap.vtk'
else:
filename = '/home/jmh/bkmedical/data/CT/Liver_3D-interpolation.vtp'
if IOUSFAN:
reader = vtk.vtkGenericDataObjectReader()
else:
reader = vtk.vtkXMLPolyDataReader()
reader.SetFileName(filename)
reader.Update()
connectFilter = vtk.vtkPolyDataConnectivityFilter()
connectFilter.SetInputConnection(reader.GetOutputPort())
connectFilter.SetExtractionModeToLargestRegion()
connectFilter.Update()
surfNormals = vtk.vtkPolyDataNormals()
surfNormals.SetInputData(self.scale(connectFilter.GetOutput()))
#Create a mapper and actor
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(surfNormals.GetOutputPort()) # was reader
self.liver = vtk.vtkActor()
self.liver.SetMapper(mapper)
prop = self.liver.GetProperty()
if self.brighter25:
prop.SetColor(vtk.vtkColor3d(hexCol("#873927")))
else:
prop.SetColor(vtk.vtkColor3d(hexCol("#6c2e1f")))
prop.SetOpacity(self.opacity)
self.renderer.AddActor(self.liver)
def start(self):
self.interactor.Initialize()
