python第三方库vtk 显示stl模型

import vtk
renderer = vtk.vtkRenderer()#创建三维场景
renderer.SetBackground(0.3, 0.3, 0.3)
window = vtk.vtkRenderWindow()
window. AddRenderer(renderer)
window.SetSize (900, 600)
interactor = vtk.vtkRenderWindowInteractor( )
interactor. SetRenderWindow ( window )
interactor.SetInteractorStyle( vtk.vtkInteractorStyleTrackballCamera())
interactor. Initialize()

stlReader = vtk. vtkSTLReader()#从文件加载STL模型数据源
stlReader.SetFileName( "F:\3dtest.stl" )

filter = vtk. vtkOutlineFilter()#创建模型边框显示filter-map
filter. SetInputConnection( stlReader.GetOutputPort( ))
outLineMapper = vtk. vtkPolyDataMapper()
outLineMapper.SetInputConnection(filter. GetOutputPort( ))

stlMapper = vtk. vtkPolyDataMapper()#创建模型显示mapper -acto
stlMapper.SetInputConnection( stlReader.GetOutputPort())
stlActor = vtk. vtkActor( )
stlActor. SetMapper (stlMapper)
renderer. AddActor (stlActor)
interactor.Start()