def __init__(self, parent=None):
self.reader = vtk.vtkDICOMImageReader()
self.dataExtent = []
self.dataDimensions = []
self.dataRange = ()
# initialize GUI
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
self.ui.WindowCenterSlider.setRange(0, 1000)
self.ui.WindowWidthSlider.setRange(0, 1000)
# define viewers
[self.viewerXY, self.viewerYZ,
self.viewerXZ] = [vtk.vtkImageViewer2() for x in range(3)]
# attach interactors to viewers
self.viewerXY.SetupInteractor(self.ui.XYPlaneWidget)
self.viewerYZ.SetupInteractor(self.ui.YZPlaneWidget)
self.viewerXZ.SetupInteractor(self.ui.XZPlaneWidget)
# set render windows for viewers
self.viewerXY.SetRenderWindow(self.ui.XYPlaneWidget.GetRenderWindow())
self.viewerYZ.SetRenderWindow(self.ui.YZPlaneWidget.GetRenderWindow())
self.viewerXZ.SetRenderWindow(self.ui.XZPlaneWidget.GetRenderWindow())
# set slicing orientation for viewers
self.viewerXY.SetSliceOrientationToXZ()
self.viewerYZ.SetSliceOrientationToYZ()
self.viewerXZ.SetSliceOrientationToXY()
# rotate image
act = self.viewerYZ.GetImageActor()
act.SetOrientation(90, 0, 0)
# setup volume rendering
self.volRender = vtk.vtkRenderer()
self.volRenWin = self.ui.VolumeWidget.GetRenderWindow()
self.volRenWin.AddRenderer(self.volRender)
self.rayCastFunction = vtk.vtkVolumeRayCastCompositeFunction()
self.volumeMapper = vtk.vtkVolumeRayCastMapper()
self.volumeMapper.SetVolumeRayCastFunction(self.rayCastFunction)
volumeColor = vtk.vtkColorTransferFunction()
volumeColor.AddRGBPoint(0, 0.0, 0.0, 0.0)
volumeColor.AddRGBPoint(500, 1.0, 0.5, 0.3)
volumeColor.AddRGBPoint(1000, 1.0, 0.5, 0.3)
volumeColor.AddRGBPoint(1150, 1.0, 1.0, 0.9)
self.volumeColor = volumeColor
volumeScalarOpacity = vtk.vtkPiecewiseFunction()
volumeScalarOpacity.AddPoint(0, 0.00)
volumeScalarOpacity.AddPoint(50, 0.15)
volumeScalarOpacity.AddPoint(100, 0.15)
volumeScalarOpacity.AddPoint(115, 0.85)
self.volumeScalarOpacity = volumeScalarOpacity
volumeGradientOpacity = vtk.vtkPiecewiseFunction()
volumeGradientOpacity.AddPoint(0, 0.0)
volumeGradientOpacity.AddPoint(100, 0.5)
volumeGradientOpacity.AddPoint(500, 1)
self.volumeGradientOpacity = volumeGradientOpacity
volumeProperty = vtk.vtkVolumeProperty()
volumeProperty.SetColor(volumeColor)
volumeProperty.SetScalarOpacity(volumeScalarOpacity)
volumeProperty.SetGradientOpacity(volumeGradientOpacity)
volumeProperty.SetInterpolationTypeToLinear()
volumeProperty.ShadeOn()
volumeProperty.SetAmbient(0.4)
volumeProperty.SetDiffuse(0.6)
volumeProperty.SetSpecular(0.2)
self.volumeProperty = volumeProperty
volume = vtk.vtkVolume()
volume.SetMapper(self.volumeMapper)
volume.SetProperty(self.volumeProperty)
self.volume = volume
self.volRender.AddViewProp(volume)
def __init__(self, parent = None):
self.reader = vtk.vtkNrrdReader()
self.dataExtent = []
self.dataDimensions = []
self.dataRange = ()
# initialize GUI
QtWidgets.QWidget.__init__(self, parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
self.ui.WindowCenterSlider.setRange(0, 1000)
self.ui.WindowWidthSlider.setRange(0, 1000)
# define viewers
[self.viewerXY, self.viewerYZ, self.viewerXZ] = [vtk.vtkImageViewer2() for x in range(3)]
[self.viewerXY2, self.viewerYZ2, self.viewerXZ2] = [vtk.vtkImageViewer2() for x in range(3)]
# attach interactors to viewers
self.viewerXY.SetupInteractor(self.ui.XYPlaneWidget)
self.viewerYZ.SetupInteractor(self.ui.YZPlaneWidget)
self.viewerXZ.SetupInteractor(self.ui.XZPlaneWidget)
self.colorTable = vtk.vtkLookupTable()
self.colorTable.SetNumberOfColors(1)
self.colorTable.SetTableValue(0, 0, 1, 0, 1)
self.colorTable.Build()
self.colorMap = vtk.vtkImageMapToColors()
# set render windows for viewers
self.viewerXY.SetRenderWindow(self.ui.XYPlaneWidget.GetRenderWindow())
self.viewerYZ.SetRenderWindow(self.ui.YZPlaneWidget.GetRenderWindow())
self.viewerXZ.SetRenderWindow(self.ui.XZPlaneWidget.GetRenderWindow())
# set slicing orientation for viewers
self.viewerXY.SetSliceOrientationToXZ()
self.viewerYZ.SetSliceOrientationToYZ()
self.viewerXZ.SetSliceOrientationToXY()
# setup volume rendering
self.volRender = vtk.vtkRenderer()
self.volRenWin = self.ui.VolumeWidget.GetRenderWindow()
self.volRenWin.AddRenderer(self.volRender)
#self.rayCastFunction = vtk.vtkVolumeRayCastCompositeFunction()
#self.volumeMapper = vtk.vtkFixedPointVolumeRayCastMapper()
#self.volumeMapper.SetBlendModeToComposite()
#self.volumeMapper.SetVolumeRayCastFunction(self.rayCastFunction)
self.volumeMapper = vtk.vtkGPUVolumeRayCastMapper()
volumeColor = vtk.vtkColorTransferFunction()
volumeColor.AddRGBPoint(0, 0.0, 0.0, 0.0)
volumeColor.AddRGBPoint(500, 1.0, 0.5, 0.3)
volumeColor.AddRGBPoint(1000, 1.0, 0.5, 0.3)
volumeColor.AddRGBPoint(1150, 1.0, 1.0, 0.9)
self.volumeColor = volumeColor
volumeScalarOpacity = vtk.vtkPiecewiseFunction()
volumeScalarOpacity.AddPoint(0, 0.00)
volumeScalarOpacity.AddPoint(50, 0.15)
volumeScalarOpacity.AddPoint(100, 0.15)
volumeScalarOpacity.AddPoint(115, 0.85)
self.volumeScalarOpacity = volumeScalarOpacity
volumeGradientOpacity = vtk.vtkPiecewiseFunction()
volumeGradientOpacity.AddPoint(0, 0.0)
volumeGradientOpacity.AddPoint(100, 0.5)
volumeGradientOpacity.AddPoint(500, 1)
self.volumeGradientOpacity = volumeGradientOpacity
volumeProperty = vtk.vtkVolumeProperty()
volumeProperty.SetColor(volumeColor)
volumeProperty.SetScalarOpacity(volumeScalarOpacity)
volumeProperty.SetGradientOpacity(volumeGradientOpacity)
volumeProperty.SetInterpolationTypeToLinear()
volumeProperty.ShadeOn()
volumeProperty.SetAmbient(0.4)
volumeProperty.SetDiffuse(0.6)
volumeProperty.SetSpecular(0.2)
self.volumeProperty = volumeProperty
volume = vtk.vtkVolume()
volume.SetMapper(self.volumeMapper)
volume.SetProperty(self.volumeProperty)
self.volume = volume
self.volRender.AddViewProp(volume)
width_bar = self.ui.WindowWidthSlider
center_bar = self.ui.WindowCenterSlider
width_bar.valueChanged.connect(self.changeValue)
center_bar.valueChanged.connect(self.changeValue)
