Method FinishView

source/visualization/Vtk/src/G4VtkOffscreenViewer.cc:48–63

}

void G4VtkOffscreenViewer::FinishView()
{
  auto& fVtkSceneHandler = dynamic_cast<G4VtkSceneHandler&>(fSceneHandler);
  fVtkSceneHandler.Modified();

  _renderWindow->Render();

  vtkNew<vtkWindowToImageFilter> windowToImageFilter;
  windowToImageFilter->SetInput(_renderWindow);
  windowToImageFilter->Update();

  vtkNew<vtkPNGWriter> writer;
  writer->SetFileName("offscreen.png");
  writer->SetInputConnection(windowToImageFilter->GetOutputPort());
  writer->Write();
}