elphyio.py 文件源码

def get_event(self, ep, ch, marked_ks):
        """
        Return a :class:`ElphyEvent` which is a
        descriptor of the specified event channel.
        """
        assert ep in range(1, self.n_episodes + 1)
        assert ch in range(1, self.n_channels + 1)

        # find the event channel number
        evt_channel = np.where(marked_ks == -1)[0][0]
        assert evt_channel in range(1, self.n_events(ep) + 1)

        block = self.episode_block(ep)
        ep_blocks = self.get_blocks_stored_in_episode(ep)
        evt_blocks = [k for k in ep_blocks if k.identifier == 'REVT']
        n_events = np.sum([k.n_events[evt_channel - 1] for k in evt_blocks], dtype=int)
        x_unit = block.ep_block.x_unit

        return ElphyEvent(self, ep, evt_channel, x_unit, n_events, ch_number=ch)