[Python] vtkOBJImporter MTL issue ?

bakeGroundCorrected Ground.obj Ground.mtl

obj = "Ground.obj"
mtl = "Ground.mtl"

importer = vtk.vtkOBJImporter()
importer.SetFileName(obj)
importer.SetFileNameMTL(mtl)
importer.SetTexturePath("./")

ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
iren = vtk.vtkRenderWindowInteractor()

renWin.AddRenderer(ren)
iren.SetRenderWindow(renWin)
importer.SetRenderWindow(renWin)
importer.Update()

ren.ResetCamera()

ren.GetActiveCamera().SetPosition(10, 10, -10)
ren.ResetCamera()
renWin.SetSize(800, 600)
iren.Start()

• VTK

• Meshlab