public void SaveRendererViewState(Kitware.VTK.vtkRenderer ren)
{
Kitware.VTK.vtkCamera cam = ren.GetActiveCamera();
m_saved_focalpoint = cam.GetFocalPoint();
m_saved_position = cam.GetPosition();
m_saved_viewup = cam.GetViewUp();
}
public void RestoreRendererViewState(Kitware.VTK.vtkRenderer ren)
{
Kitware.VTK.vtkCamera cam = ren.GetActiveCamera();
cam.SetFocalPoint(m_saved_focalpoint[0], m_saved_focalpoint[1], m_saved_focalpoint[2]);
cam.SetPosition(m_saved_position[0], m_saved_position[1], m_saved_position[2]);
cam.SetViewUp(m_saved_viewup[0], m_saved_viewup[1], m_saved_viewup[2]);
ren.ResetCameraClippingRange();
}
