blackrockio.py 文件源码

def __read_nsx_data_variant_a(self, nsx_nb):
        """
        Extract nsx data from a 2.1 .nsx file
        """
        filename = '.'.join([self._filenames['nsx'], 'ns%i' % nsx_nb])

        # get shape of data
        shape = (
            self.__nsx_databl_param['2.1']('nb_data_points', nsx_nb),
            self.__nsx_basic_header[nsx_nb]['channel_count'])
        offset = self.__nsx_params['2.1']('bytes_in_headers', nsx_nb)

        # read nsx data
        # store as dict for compatibility with higher file specs
        data = {1: np.memmap(
            filename, dtype='int16', shape=shape, offset=offset)}

        return data