[vtkusers] Stereo rendering problem with OpenGL2

[Leucht, Nicola]

Hi,

I'm using VTK 6.2.0 with the OpenGL2 backend.
When rendering in stereo (interlaced mode), there are two horizontal lines in the middle of the window that belong to one eye.

Code:
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);

vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New();
sphereSource->SetCenter(0.0, 0.0, 0.0);
sphereSource->SetRadius(50.0);
sphereSource->SetPhiResolution(100);
sphereSource->SetThetaResolution(100);
vtkSmartPointer<vtkOpenGLPolyDataMapper> mapper = vtkSmartPointer<vtkOpenGLPolyDataMapper>::New();
mapper->SetInputConnection(sphereSource->GetOutputPort());

vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
mapper->Update();
renderer->AddActor(actor);
renderer->GetActiveCamera()->SetEyeAngle(30);
renderer->ResetCamera();
renderer->SetBackground(.3, .6, .3);
renderWindow->StereoCapableWindowOn();
renderWindow->SetStereoTypeToInterlaced();
renderWindow->StereoRenderOn();
renderWindowInteractor->Start();

Is there anything I need to change in my code?

Kind regards
Nicola
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