def METHOD_NAME(self, i, name):
    #j = self.titles.index(name)
    if name == 'NodeID':
        return 'node'
    elif name == 'ElementID':
        return 'centroid'
    elif name == 'Region':
        return 'centroid'
    elif name == 'Area':
        return 'centroid'
    elif name in ['NormalX', 'NormalY', 'NormalZ',]:
        return 'centroid'
    raise NotImplementedError('i=%s' % str(i))