blackrockio.py 文件源码

def __read_nsx_data_variant_b(self, nsx_nb):
        """
        Extract nsx data (blocks) from a 2.2 or 2.3 .nsx file. Blocks can arise
        if the recording was paused by the user.
        """
        filename = '.'.join([self._filenames['nsx'], 'ns%i' % nsx_nb])

        data = {}
        for data_bl in self.__nsx_data_header[nsx_nb].keys():
            # get shape and offset of data
            shape = (
                self.__nsx_data_header[nsx_nb][data_bl]['nb_data_points'],
                self.__nsx_basic_header[nsx_nb]['channel_count'])
            offset = \
                self.__nsx_data_header[nsx_nb][data_bl]['offset_to_data_block']

            # read data
            data[data_bl] = np.memmap(
                filename, dtype='int16', shape=shape, offset=offset)

        return data