本文整理汇总了Python中vtk.vtkColorTransferFunction方法的典型用法代码示例。如果您正苦于以下问题：Python vtk.vtkColorTransferFunction方法的具体用法？Python vtk.vtkColorTransferFunction怎么用？Python vtk.vtkColorTransferFunction使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类vtk的用法示例。
在下文中一共展示了vtk.vtkColorTransferFunction方法的2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: LookupTable
# 需要导入模块: import vtk [as 别名]
# 或者: from vtk import vtkColorTransferFunction [as 别名]
def LookupTable(self):
self.lut = vtk.vtkColorTransferFunction()
self.lut.SetColorSpaceToRGB()
self.lut.SetScaleToLinear()
text = vtk.vtkTextProperty()
text.SetFontFamilyToArial()
text.SetFontSize(12)
text.SetColor(self.color)
self.scalarbar = vtk.vtkScalarBarActor()
self.scalarbar.SetLookupTable(self.lut)
self.scalarbar.SetNumberOfLabels(5)
self.scalarbar.SetLabelTextProperty(text)
self.scalarbar.SetTitleTextProperty(text)
self.scalarbarwidget = vtk.vtkScalarBarWidget()
self.scalarbarwidget.ResizableOff()
self.scalarbarwidget.RepositionableOff()
self.scalarbarwidget.GetScalarBarRepresentation().SetScalarBarActor(self.scalarbar)
self.scalarbarwidget.GetScalarBarRepresentation().PickableOff()
self.scalarbarwidget.GetScalarBarRepresentation().SetPosition(0.9, 0.4)
self.scalarbarwidget.GetScalarBarRepresentation().SetOrientation(1) 示例2: volumeRender
# 需要导入模块: import vtk [as 别名]
# 或者: from vtk import vtkColorTransferFunction [as 别名]
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])
# working on the GPU
# 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()
# working on the CPU
volMapper = vtk.vtkVolumeRayCastMapper()
compositeFunction = vtk.vtkVolumeRayCastCompositeFunction()
compositeFunction.SetCompositeMethodToInterpolateFirst()
volMapper.SetVolumeRayCastFunction(compositeFunction)
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()
# Do the lines below speed things up?
# pix_diag = 5.0
# volMapper.SetSampleDistance(pix_diag / 5.0)
# volProperty.SetScalarOpacityUnitDistance(pix_diag)
vol = vtk.vtkVolume()
vol.SetMapper(volMapper)
vol.SetProperty(volProperty)
return [vol]