[vtkusers] qxcbintegration cannot create platform opengl context neither glx nor egl are enabled

newcfd newcfd at yahoo.com
Wed Aug 8 22:51:30 EDT 2018

just switched to use QVTKOpenGLWidget from QVTKWidget. When the qt GUI is
launched, I got the error message above. I am using vmWare on Ubuntu.
The code I use is as follows:
     vtkNew<QVTKOpenGLWidget> widget;
     vtkNew<vtkRenderer> renderer;
     vtkNew<vtkGenericOpenGLRenderWindow> render_window;
     render_window->AddRenderer(renderer );
     widget->SetRenderWindow( render_window );
What is the problem? Is QVTKOpenGLWidget stable?

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