本文整理汇总了Python中vtk.vtkVolume函数的典型用法代码示例。如果您正苦于以下问题：Python vtkVolume函数的具体用法？Python vtkVolume怎么用？Python vtkVolume使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了vtkVolume函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self, name, image_data):
if not isinstance(image_data, vtk.vtkImageData):
raise TypeError("input has to be vtkImageData")
self.name = name
# Create transfer mapping scalar value to opacity.
opacity_function = vtk.vtkPiecewiseFunction()
opacity_function.AddPoint(0, 0.0)
opacity_function.AddPoint(127, 0.0)
opacity_function.AddPoint(128, 0.2)
opacity_function.AddPoint(255, 0.2)
# Create transfer mapping scalar value to color.
color_function = vtk.vtkColorTransferFunction()
color_function.SetColorSpaceToHSV()
color_function.AddHSVPoint(0, 0.0, 0.0, 0.0)
color_function.AddHSVPoint(127, 0.0, 0.0, 0.0)
color_function.AddHSVPoint(128, 0.0, 0.0, 1.0)
color_function.AddHSVPoint(255, 0.0, 0.0, 1.0)
volume_property = vtk.vtkVolumeProperty()
volume_property.SetColor(color_function)
volume_property.SetScalarOpacity(opacity_function)
volume_property.ShadeOn()
volume_property.SetInterpolationTypeToLinear()
volume_mapper = vtk.vtkSmartVolumeMapper()
volume_mapper.SetInputData(image_data)
self.volume = vtk.vtkVolume()
self.volume.SetMapper(volume_mapper)
self.volume.SetProperty(volume_property)示例2: _create_pipeline
def _create_pipeline(self):
# setup our pipeline
self._otf = vtk.vtkPiecewiseFunction()
self._ctf = vtk.vtkColorTransferFunction()
self._volume_property = vtk.vtkVolumeProperty()
self._volume_property.SetScalarOpacity(self._otf)
self._volume_property.SetColor(self._ctf)
self._volume_property.ShadeOn()
self._volume_property.SetAmbient(0.1)
self._volume_property.SetDiffuse(0.7)
self._volume_property.SetSpecular(0.2)
self._volume_property.SetSpecularPower(10)
self._volume_raycast_function = vtk.vtkVolumeRayCastMIPFunction()
self._volume_mapper = vtk.vtkVolumeRayCastMapper()
# can also used FixedPoint, but then we have to use:
# SetBlendModeToMaximumIntensity() and not SetVolumeRayCastFunction
#self._volume_mapper = vtk.vtkFixedPointVolumeRayCastMapper()
self._volume_mapper.SetVolumeRayCastFunction(
self._volume_raycast_function)
module_utils.setup_vtk_object_progress(self, self._volume_mapper,
'Preparing render.')
self._volume = vtk.vtkVolume()
self._volume.SetProperty(self._volume_property)
self._volume.SetMapper(self._volume_mapper)示例3: initUI
def initUI(self):
self.frame = QtGui.QFrame()
self.widgetLayout = QtGui.QVBoxLayout()
self.setLayout(self.widgetLayout)
self.widgetLayout.addWidget(self.frame)
self.frameLayout = QtGui.QVBoxLayout()
self.frame.setLayout(self.frameLayout)
self.vtkWidget = QVTKRenderWindowInteractor(self.frame)
self.frameLayout.addWidget(self.vtkWidget)
self.sliceNumber = QtGui.QLineEdit("50")
self.sliceConfirm = QtGui.QPushButton("confirm")
self.sliceConfirm.clicked.connect(self.showLayer)
self.sliceButtonLayout = QtGui.QHBoxLayout()
self.sliceButtonLayout.addWidget(self.sliceNumber)
self.sliceButtonLayout.addWidget(self.sliceConfirm)
self.frameLayout.addLayout(self.sliceButtonLayout)
self.volume = vtk.vtkVolume()
self.ren = vtk.vtkRenderer()
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
self.show()
self.iren.Initialize()
self.setGeometry(300, 300, 300, 150)
self.setWindowTitle('Layer View')
self.show()示例4: __init__
def __init__(self, img, color):
self.volume = vtk.vtkVolume()
self.__color = color
dataImporter = vtk.vtkImageImport()
simg = np.ascontiguousarray(img, np.uint8)
dataImporter.CopyImportVoidPointer(simg.data, len(simg.data))
dataImporter.SetDataScalarTypeToUnsignedChar()
dataImporter.SetNumberOfScalarComponents(1)
dataImporter.SetDataExtent(0, simg.shape[2]-1, 0, simg.shape[1]-1, 0, simg.shape[0]-1)
dataImporter.SetWholeExtent(0, simg.shape[2]-1, 0, simg.shape[1]-1, 0, simg.shape[0]-1)
self.__smoother = vtk.vtkImageGaussianSmooth()
self.__smoother.SetStandardDeviation(1, 1, 1)
self.__smoother.SetInputConnection(dataImporter.GetOutputPort())
volumeMapper = vtk.vtkSmartVolumeMapper()
volumeMapper.SetInputConnection(self.__smoother.GetOutputPort())
self.__volumeProperty = vtk.vtkVolumeProperty()
self.__colorFunc = vtk.vtkColorTransferFunction()
self.__alpha = vtk.vtkPiecewiseFunction()
for i in range(256):
self.__colorFunc.AddRGBPoint(i, i * color[0], i * color[1], i * color[2])
self.__alpha.AddPoint(5, .01)
self.__alpha.AddPoint(10, .03)
self.__alpha.AddPoint(50, .1)
self.__alpha.AddPoint(150, .2)
self.__volumeProperty.SetColor(self.__colorFunc)
self.__volumeProperty.SetScalarOpacity(self.__alpha)
self.volume.SetMapper(volumeMapper)
self.volume.SetProperty(self.__volumeProperty)示例5: volumeRender
def volumeRender(img, tf=[],spacing=[1.0,1.0,1.0]):
importer = numpy2VTK(img,spacing)
# Transfer Functions
opacity_tf = vtk.vtkPiecewiseFunction()
color_tf = vtk.vtkColorTransferFunction()
if len(tf) == 0:
tf.append([img.min(),0,0,0,0])
tf.append([img.max(),1,1,1,1])
for p in tf:
color_tf.AddRGBPoint(p[0], p[1], p[2], p[3])
opacity_tf.AddPoint(p[0], p[4])
volMapper = vtk.vtkGPUVolumeRayCastMapper()
volMapper.SetInputConnection(importer.GetOutputPort())
# The property describes how the data will look
volProperty = vtk.vtkVolumeProperty()
volProperty.SetColor(color_tf)
volProperty.SetScalarOpacity(opacity_tf)
volProperty.ShadeOn()
volProperty.SetInterpolationTypeToLinear()
vol = vtk.vtkVolume()
vol.SetMapper(volMapper)
vol.SetProperty(volProperty)
return [vol]示例6: axonComparison
def axonComparison(axons, N):
axonsToRender = []
for i in range(N):
axon = axons.pop(random.randrange(len(axons)))
axonsToRender.append(axon)
bins = main.BINS
data_matrix = numpy.zeros([500, 500, 500], dtype=numpy.uint16)
dataImporter = vtk.vtkImageImport()
data_string = data_matrix.tostring()
dataImporter.CopyImportVoidPointer(data_string, len(data_string))
dataImporter.SetDataScalarTypeToUnsignedChar()
dataImporter.SetNumberOfScalarComponents(1)
dataImporter.SetDataExtent(0, 500, 0, 500, 0, 500)
dataImporter.SetWholeExtent(0, 500, 0, 500, 0, 500)
volumeProperty = vtk.vtkVolumeProperty()
compositeFunction = vtk.vtkVolumeRayCastCompositeFunction()
volumeMapper = vtk.vtkVolumeRayCastMapper()
volumeMapper.SetVolumeRayCastFunction(compositeFunction)
volumeMapper.SetInputConnection(dataImporter.GetOutputPort())
volume = vtk.vtkVolume()
volume.SetMapper(volumeMapper)
volume.SetProperty(volumeProperty)
renderer = vtk.vtkRenderer()
renderWin = vtk.vtkRenderWindow()
renderWin.AddRenderer(renderer)
renderInteractor = vtk.vtkRenderWindowInteractor()
renderInteractor.SetRenderWindow(renderWin)
renderer.SetBackground(1, 1, 1)
renderWin.SetSize(400, 400)
for axon in axonsToRender:
renderer = Utils.renderSingleAxon(axon, renderer, [random.random(), random.random(), random.random()])
renderWin.AddObserver("AbortCheckEvent", exitCheck)
renderInteractor.Initialize()
renderWin.Render()
renderInteractor.Start()示例7: __init__
def __init__(self, input=None, MinOpacity=0.0, MaxOpacity=0.1) :
import qt
import vtk
from vtk.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
self.__MinOpacity__ = MinOpacity
self.__MaxOpacity__ = MaxOpacity
# every QT app needs an app
self.__app__ = qt.QApplication(['itkviewer'])
# create the widget
self.__widget__ = QVTKRenderWindowInteractor()
self.__ren__ = vtk.vtkRenderer()
self.__widget__.GetRenderWindow().AddRenderer(self.__ren__)
self.__itkvtkConverter__ = None
self.__volumeMapper__ = vtk.vtkVolumeTextureMapper2D()
self.__volume__ = vtk.vtkVolume()
self.__volumeProperty__ = vtk.vtkVolumeProperty()
self.__volume__.SetMapper(self.__volumeMapper__)
self.__volume__.SetProperty(self.__volumeProperty__)
self.__ren__.AddVolume(self.__volume__)
self.__outline__ = None
self.__outlineMapper__ = None
self.__outlineActor__ = None
self.AdaptColorAndOpacity(0, 255)
if input :
self.SetInput(input)
self.AdaptColorAndOpacity()示例8: _createPipeline
def _createPipeline(self):
# setup our pipeline
self._splatMapper = vtkdevide.vtkOpenGLVolumeShellSplatMapper()
self._splatMapper.SetOmegaL(0.9)
self._splatMapper.SetOmegaH(0.9)
# high-quality rendermode
self._splatMapper.SetRenderMode(0)
self._otf = vtk.vtkPiecewiseFunction()
self._otf.AddPoint(0.0, 0.0)
self._otf.AddPoint(0.9, 0.0)
self._otf.AddPoint(1.0, 1.0)
self._ctf = vtk.vtkColorTransferFunction()
self._ctf.AddRGBPoint(0.0, 0.0, 0.0, 0.0)
self._ctf.AddRGBPoint(0.9, 0.0, 0.0, 0.0)
self._ctf.AddRGBPoint(1.0, 1.0, 0.937, 0.859)
self._volumeProperty = vtk.vtkVolumeProperty()
self._volumeProperty.SetScalarOpacity(self._otf)
self._volumeProperty.SetColor(self._ctf)
self._volumeProperty.ShadeOn()
self._volumeProperty.SetAmbient(0.1)
self._volumeProperty.SetDiffuse(0.7)
self._volumeProperty.SetSpecular(0.2)
self._volumeProperty.SetSpecularPower(10)
self._volume = vtk.vtkVolume()
self._volume.SetProperty(self._volumeProperty)
self._volume.SetMapper(self._splatMapper)示例9: get_volume
def get_volume(self, color_file=None, volume_opacity=0.25):
"""
Default Volume Rendering
Return vtkActor. For volume rendering it is vtkVolume
"""
if not self.flag_read:
sys.stderr.write('No Image Loaded.')
return
# TEST
print self.is_blank_image()
transfer_func = self.get_transfer_functioin(color_file, volume_opacity)
prop_volume = vtk.vtkVolumeProperty()
prop_volume.ShadeOff()
prop_volume.SetColor(transfer_func[0])
prop_volume.SetScalarOpacity(transfer_func[1])
prop_volume.SetGradientOpacity(transfer_func[2])
prop_volume.SetInterpolationTypeToLinear()
prop_volume.SetAmbient(0.4)
prop_volume.SetDiffuse(0.6)
prop_volume.SetSpecular(0.2)
mapper = vtk.vtkSmartVolumeMapper()
mapper.SetRequestedRenderMode(0)
# mapper = vtk.vtkGPUVolumeRayCastMapper()
mapper.SetInputData(self.reader)
actor = vtk.vtkVolume()
actor.SetMapper(mapper)
actor.SetProperty(prop_volume)
return actor示例10: create_volume_rendering
def create_volume_rendering(self):
opacityfunction=vtk.vtkPiecewiseFunction()
opacityfunction.AddPoint(0,0.0)
opacityfunction.AddPoint(0.1,0.01)
opacityfunction.AddPoint(1,0.02)
opacityfunction.AddPoint(1.5,0.03)
volproperty=vtk.vtkVolumeProperty()
volproperty.SetColor(self.arrowColor)
volproperty.SetScalarOpacity(opacityfunction)
volproperty.ShadeOn()
volproperty.SetInterpolationTypeToLinear()
volumeMapper = vtk.vtkGPUVolumeRayCastMapper()
volumeMapper.SetInputConnection(self.vol_reader.GetOutputPort())
volumeMapper.SetSampleDistance(0.01)
volume = vtk.vtkVolume()
volume.SetMapper(volumeMapper)
volume.SetProperty(volproperty)
return volume示例11: RenderVTKVolume
def RenderVTKVolume(image, volprops):
volmap = vtk.vtkVolumeRayCastMapper()
volmap.SetVolumeRayCastFunction(vtk.vtkVolumeRayCastCompositeFunction())
volmap.SetInputConnection(image.GetOutputPort())
vol = vtk.vtkVolume()
vol.SetMapper(volmap)
vol.SetProperty(volprops)
#Standard VTK stuff
ren = vtk.vtkRenderer()
ren.AddVolume(vol)
ren.SetBackground((1, 1, 1))
renwin = vtk.vtkRenderWindow()
renwin.AddRenderer(ren)
istyle = vtk.vtkInteractorStyleSwitch()
istyle.SetCurrentStyleToTrackballCamera()
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renwin)
iren.SetInteractorStyle(istyle)
renwin.Render()
iren.Start()示例12: volumeRender
def volumeRender(reader,ren,renWin):
#Create transfer mapping scalar value to opacity
opacityTransferFunction = vtk.vtkPiecewiseFunction()
opacityTransferFunction.AddPoint(1, 0.0)
opacityTransferFunction.AddPoint(100, 0.1)
opacityTransferFunction.AddPoint(255,1.0)
colorTransferFunction = vtk.vtkColorTransferFunction()
colorTransferFunction.AddRGBPoint(0.0,0.0,0.0,0.0)
colorTransferFunction.AddRGBPoint(64.0,1.0,0.0,0.0)
colorTransferFunction.AddRGBPoint(128.0,0.0,0.0,1.0)
colorTransferFunction.AddRGBPoint(192.0,0.0,1.0,0.0)
colorTransferFunction.AddRGBPoint(255.0,0.0,0.2,0.0)
volumeProperty = vtk.vtkVolumeProperty()
volumeProperty.SetColor(colorTransferFunction)
volumeProperty.SetScalarOpacity(opacityTransferFunction)
volumeProperty.ShadeOn()
volumeProperty.SetInterpolationTypeToLinear()
compositeFunction = vtk.vtkVolumeRayCastCompositeFunction()
volumeMapper = vtk.vtkFixedPointVolumeRayCastMapper()
volumeMapper.SetInputConnection(reader.GetOutputPort())
volume = vtk.vtkVolume()
volume.SetMapper(volumeMapper)
volume.SetProperty(volumeProperty)
ren.RemoveAllViewProps()
ren.AddVolume(volume)
ren.SetBackground(1,1,1)
renWin.Render()示例13: setVolumeVisualization
def setVolumeVisualization(self, volumeVisualization):
"""
Updates the volume property. It actually removes the volume,
creates a new volume and sets the updated volume property and
then adds the new volume to the renderer.
Just updating the vtkVolumeProperty gives artifacts and seems
to not work correctly.
:type volumeVisualization: volumeVisualization
"""
self.volumeVisualization = volumeVisualization
if self.imageData is None or self.volumeVisualization is None:
if self.volume is not None:
self.renderer.RemoveViewProp(self.volume)
self.volume = None
return
if self.volume is None:
self.volume = vtkVolume()
self.renderer.AddViewProp(self.volume)
self.volumeVisualization.setMapper(self.mapper)
self.mapper.SetShaderType(self.volumeVisualization.shaderType())
if self.volume.GetProperty() != self.volumeVisualization.volProp:
self.volume.SetProperty(self.volumeVisualization.volProp)
if self.volume.GetMapper() != self.mapper:
self.volume.SetMapper(self.mapper)
self.render()示例14: rebuildVolume
def rebuildVolume( self ):
self.volume = vtk.vtkVolume()
self.volume.SetMapper( self.volumeMapper )
self.volume.SetScale( 1.0, 1.0, 1.0 )
self.volume.SetMapper(self.volumeMapper)
self.volume.SetProperty(self.volumeProperty)
self.volume.SetPosition( self.pos )
self.setVolRenderCfg( None, False )
self.renderer.AddVolume( self.volume )示例15: _create_pipeline
def _create_pipeline(self):
# setup our pipeline
self._volume_property = vtk.vtkVolumeProperty()
self._volume_property.ShadeOn()
self._volume_mapper = None
self._volume = vtk.vtkVolume()
self._volume.SetProperty(self._volume_property)
self._volume.SetMapper(self._volume_mapper)