Calculate local index from global index from start_index

        :param index: global index as integer
        :param axis: current axis to process
        :return:

def int_global_to_local_start(self, index, axis=0):
        """ Calculate local index from global index from start_index

        :param index: global index as integer
        :param axis: current axis to process
        :return:
        """
        if index >= self.__mask[axis].stop-self.__halos[1][axis]:
            return None

        if index < self.__mask[axis].start:
            return 0

        return index-self.__mask[axis].start