Function _GetController

Wrapping/Python/vtkmodules/test/Testing.py:302–313

()

def _GetController():
    try:
        from vtkmodules.vtkParallelMPI import vtkMPIController
        controller = vtkMPIController();

        # If MPI was not initialized, we do not want to use MPI
        if not controller.GetCommunicator():
            return None
        return controller
    except:
        pass
    return None

def compareImageWithSavedImage(src_img, img_fname, threshold=0.05):
    """Compares a source image (src_img, which is a vtkImageData) with