来自图像堆栈的最大强度投影

import vtk

# 读取三维数据（假设为DICOM文件）
reader = vtk.vtkDICOMImageReader()
reader.SetDirectoryName("path_to_dicom_directory")
reader.Update()

# 创建MIP渲染器
mipMapper = vtk.vtkSmartVolumeMapper()
mipMapper.SetInputConnection(reader.GetOutputPort())
mipMapper.SetBlendModeToMaximumIntensity()

# 创建体积属性
volumeProperty = vtk.vtkVolumeProperty()
volumeProperty.SetInterpolationTypeToLinear()

# 创建体积对象
volume = vtk.vtkVolume()
volume.SetMapper(mipMapper)
volume.SetProperty(volumeProperty)

# 创建渲染器和窗口
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)

# 添加体积到渲染器
renderer.AddVolume(volume)
renderer.SetBackground(0.1, 0.2, 0.3)

# 启动渲染循环
renderWindow.Render()
renderWindowInteractor.Start()