import vtk # 创建一些模拟数据 source = vtk.vtkRandomHills() source.SetAmplitude(0.25) source.SetNumberOfHills(20) # 分割数据 plane = vtk.vtkPlane() plane.SetOrigin(0, 0, 0) plane.SetNormal(0, 0, 1) clip = vtk.vtkClipPolyData() clip.SetInputConnection(source.GetOutputPort()) clip.SetClipFunction(plane) clip.SetValue(0) # 创建一个映射器和渲染器 mapper = vtk.vtkPolyDataMapper() mapper.SetInputConnection(clip.GetOutputPort()) actor = vtk.vtkActor() actor.SetMapper(mapper) renderer = vtk.vtkRenderer() renderer.AddActor(actor) renderer.SetBackground(0, 0, 0) # 创建一个窗口并添加渲染器 renWin = vtk.vtkRenderWindow() renWin.AddRenderer(renderer) # 创建一个窗口管理器 iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) # 开始渲染 renWin.Render() iren.Start()