Python-сообщество

X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 2 (X_ChangeWindowAttributes)
  Resource id:  0x5600013
X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 3 (X_GetWindowAttributes)
  Resource id:  0x5600013

# -*- coding: utf-8 -*-

from PyQt4.QtGui import *
from PyQt4.QtCore import *
from vtk import *
from vtk.qt4.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor

class GLViewer(QFrame):
    def __init__(self, parent=None):
        QFrame.__init__(self, parent)
        iren = QVTKRenderWindowInteractor(self)
        iren.Initialize()
        iren.Start()
        renderer = vtkRenderer()
        iren.GetRenderWindow().AddRenderer(renderer)
        cube = vtkCubeSource()
        mapper = vtkPolyDataMapper()
        mapper.SetInput(cube.GetOutput())
        actor = vtkActor()
        actor.SetMapper(mapper)
        renderer.AddActor(actor)