segment.py 文件源码

def take_slice_of_analogsignalarray_by_channelindex(self,
                                                        channel_indexes=None):
        '''
        Return slices of the :class:`AnalogSignalArrays` in the
        :class:`Segment` that correspond to the :attr:`channel_indexes`
        provided.
        '''
        if channel_indexes is None:
            return []

        sliced_sigarrays = []
        for sigarr in self.analogsignals:
            if sigarr.get_channel_index() is not None:
                ind = np.in1d(sigarr.get_channel_index(), channel_indexes)
                sliced_sigarrays.append(sigarr[:, ind])

        return sliced_sigarrays