代码如下（能成功运行，就是没有弹出窗口，希望吧里大神指正一下问题）
import vtk
aRenderer = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(aRenderer)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
v16 = vtk.vtkDICOMImageReader()
v16.SetDirectoryName('D:/Matlab/xor_test')
skinExtractor = vtk.vtkContourFilter()
skinExtractor.SetInputConnection(v16.GetOutputPort())
skinExtractor.SetValue(0, -10)
skinNormals = vtk.vtkPolyDataNormals()
skinNormals.SetInputConnection(skinExtractor.GetOutputPort())
skinNormals.SetFeatureAngle(60.0)
skinMapper = vtk.vtkPolyDataMapper()
skinMapper.SetInputConnection(skinNormals.GetOutputPort())
skinMapper.ScalarVisibilityOff()
skin = vtk.vtkActor()
skin.SetMapper(skinMapper)
skin.GetProperty().SetDiffuseColor(1, .49, .25)
skin.GetProperty().SetSpecular(.5)
skin.GetProperty().SetSpecularPower(20)
outlineData = vtk.vtkOutlineFilter()
outlineData.SetInputConnection(v16.GetOutputPort())
mapOutline = vtk.vtkPolyDataMapper()
mapOutline.SetInputConnection(outlineData.GetOutputPort())
outline = vtk.vtkActor()
outline.SetMapper(mapOutline)
outline.GetProperty().SetColor(0, 0, 0)
aCamera = vtk.vtkCamera()
aCamera.SetViewUp(0, 0, -1)
aCamera.SetPosition(0, 1, 0)
aCamera.SetFocalPoint(0, 0, 0)
aCamera.ComputeViewPlaneNormal()
aRenderer.AddActor(outline)
aRenderer.AddActor(skin)
aRenderer.SetActiveCamera(aCamera)
aRenderer.ResetCamera()
aRenderer.SetBackground(250, 250, 250)
renWin.SetSize(500, 500)
aRenderer.ResetCameraClippingRange()
style = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(style)
iren.Initialize()
iren.Start()