@staticmethod
def _getDefaultSettings():
    """
    Returns a dictionary containg the default settings specified in this class. These settings cover global settings,
    such as ``additionalInfo``, as well as the image pre-processing settings (e.g. resampling). Feature class specific
    are defined in the respective feature classes and and not included here. Similarly, filter specific settings are
    defined in ``imageoperations.py`` and also not included here.
    """
    return {'minimumROIDimensions': 2, 'minimumROISize': None, 'normalize':
        False, 'normalizeScale': 1, 'removeOutliers': None,
        'resampledPixelSpacing': None, 'interpolator': 'sitkBSpline',
        'preCrop': False, 'padDistance': 5, 'distances': [1], 'force2D': 
        False, 'force2Ddimension': 0, 'resegmentRange': None, 'label': 1,
        'additionalInfo': True}
