예제 #1
0
    def test_time_slice_None(self):
        time_slices = [(None, 5.0 * pq.s), (5.0 * pq.s, None), (None, None)]

        anasig = AnalogSignal(np.arange(50.0) * pq.mV,
                              sampling_rate=1.0 * pq.Hz)
        seg = Segment()
        seg.analogsignals = [anasig]

        block = Block()
        block.segments = [seg]
        block.create_many_to_one_relationship()

        # test without resetting the time
        for t_start, t_stop in time_slices:
            sliced = seg.time_slice(t_start, t_stop)

            assert_neo_object_is_compliant(sliced)
            self.assertEqual(len(sliced.analogsignals), 1)

            exp_t_start, exp_t_stop = t_start, t_stop
            if exp_t_start is None:
                exp_t_start = seg.t_start
            if exp_t_stop is None:
                exp_t_stop = seg.t_stop

            self.assertEqual(exp_t_start, sliced.t_start)
            self.assertEqual(exp_t_stop, sliced.t_stop)
예제 #2
0
    def test__children(self):
        blk = Block(name='block1')
        blk.segments = [self.seg1]
        blk.create_many_to_one_relationship(force=True)
        assert_neo_object_is_compliant(self.seg1)
        assert_neo_object_is_compliant(blk)

        childobjs = ('AnalogSignal', 'Epoch', 'Event',
                     'IrregularlySampledSignal', 'SpikeTrain', 'ImageSequence')
        childconts = ('analogsignals', 'epochs', 'events',
                      'irregularlysampledsignals', 'spiketrains',
                      'imagesequences')
        self.assertEqual(self.seg1._container_child_objects, ())
        self.assertEqual(self.seg1._data_child_objects, childobjs)
        self.assertEqual(self.seg1._single_parent_objects, ('Block', ))
        self.assertEqual(self.seg1._multi_child_objects, ())
        self.assertEqual(self.seg1._multi_parent_objects, ())
        self.assertEqual(self.seg1._child_properties, ())

        self.assertEqual(self.seg1._single_child_objects, childobjs)
        self.assertEqual(self.seg1._container_child_containers, ())
        self.assertEqual(self.seg1._data_child_containers, childconts)
        self.assertEqual(self.seg1._single_child_containers, childconts)
        self.assertEqual(self.seg1._single_parent_containers, ('block', ))
        self.assertEqual(self.seg1._multi_child_containers, ())
        self.assertEqual(self.seg1._multi_parent_containers, ())

        self.assertEqual(self.seg1._child_objects, childobjs)
        self.assertEqual(self.seg1._child_containers, childconts)
        self.assertEqual(self.seg1._parent_objects, ('Block', ))
        self.assertEqual(self.seg1._parent_containers, ('block', ))

        totchildren = (
            self.nchildren * 2 +  # epoch/event
            self.nchildren +  # analogsignal
            self.nchildren**2 +  # spiketrain
            self.nchildren +  # irregsignal
            self.nchildren)  # imagesequence
        self.assertEqual(len(self.seg1._single_children), totchildren)
        self.assertEqual(len(self.seg1.data_children), totchildren)
        self.assertEqual(len(self.seg1.children), totchildren)
        self.assertEqual(len(self.seg1.data_children_recur), totchildren)
        self.assertEqual(len(self.seg1.children_recur), totchildren)

        self.assertEqual(len(self.seg1._multi_children), 0)
        self.assertEqual(len(self.seg1.container_children), 0)
        self.assertEqual(len(self.seg1.container_children_recur), 0)

        children = (self.sigarrs1a + self.epcs1a + self.evts1a +
                    self.irsigs1a + self.trains1a + self.img_seqs1a)
        assert_same_sub_schema(list(self.seg1._single_children), children)
        assert_same_sub_schema(list(self.seg1.data_children), children)
        assert_same_sub_schema(list(self.seg1.data_children_recur), children)
        assert_same_sub_schema(list(self.seg1.children), children)
        assert_same_sub_schema(list(self.seg1.children_recur), children)

        self.assertEqual(len(self.seg1.parents), 1)
        self.assertEqual(self.seg1.parents[0].name, 'block1')
예제 #3
0
def simple_block():
    block = Block(
        name="test block",
        species="rat",
        brain_region="cortex"
    )
    block.segments = [
        Segment(name="test segment #1",
                cell_type="spiny stellate"),
        Segment(name="test segment #2",
                cell_type="pyramidal",
                thing="amajig")
    ]
    for segment in block.segments:
        segment.block = block
    block.segments[0].analogsignals.extend((
        random_signal(name="signal #1 in segment #1", thing="wotsit"),
        random_signal(name="signal #2 in segment #1", thing="frooble"),
    ))
    block.segments[1].analogsignals.extend((
        random_signal(name="signal #1 in segment #2", thing="amajig"),
    ))
    block.segments[1].irregularlysampledsignals.extend((
        random_irreg_signal(name="signal #1 in segment #2", thing="amajig"),
    ))
    block.segments[0].events.extend((
        random_event(name="event array #1 in segment #1", thing="frooble"),
    ))
    block.segments[1].events.extend((
        random_event(name="event array #1 in segment #2", thing="wotsit"),
    ))
    block.segments[0].spiketrains.extend((
        random_spiketrain(name="spiketrain #1 in segment #1", thing="frooble"),
        random_spiketrain(name="spiketrain #2 in segment #1", thing="wotsit")
    ))
    return block
예제 #4
0
    def test__cut_block_by_epochs(self):
        seg = Segment()

        proxy_anasig = AnalogSignalProxy(rawio=self.reader,
                                         global_channel_indexes=None,
                                         block_index=0,
                                         seg_index=0)
        seg.analogsignals.append(proxy_anasig)

        proxy_st = SpikeTrainProxy(rawio=self.reader,
                                   unit_index=0,
                                   block_index=0,
                                   seg_index=0)
        seg.spiketrains.append(proxy_st)

        proxy_event = EventProxy(rawio=self.reader,
                                 event_channel_index=0,
                                 block_index=0,
                                 seg_index=0)
        seg.events.append(proxy_event)

        proxy_epoch = EpochProxy(rawio=self.reader,
                                 event_channel_index=1,
                                 block_index=0,
                                 seg_index=0)
        proxy_epoch.annotate(pick='me')
        seg.epochs.append(proxy_epoch)

        loaded_epoch = proxy_epoch.load()
        loaded_event = proxy_event.load()
        loaded_st = proxy_st.load()
        loaded_anasig = proxy_anasig.load()

        block = Block()
        block.segments = [seg]
        block.create_many_to_one_relationship()

        cut_block_by_epochs(block, properties={'pick': 'me'})

        assert_neo_object_is_compliant(block)
        self.assertEqual(len(block.segments), proxy_epoch.shape[0])

        for epoch_idx in range(len(loaded_epoch)):
            sliced_event = loaded_event.time_slice(
                t_start=loaded_epoch.times[epoch_idx],
                t_stop=loaded_epoch.times[epoch_idx] +
                loaded_epoch.durations[epoch_idx])
            has_event = len(sliced_event) > 0

            sliced_anasig = loaded_anasig.time_slice(
                t_start=loaded_epoch.times[epoch_idx],
                t_stop=loaded_epoch.times[epoch_idx] +
                loaded_epoch.durations[epoch_idx])

            sliced_st = loaded_st.time_slice(
                t_start=loaded_epoch.times[epoch_idx],
                t_stop=loaded_epoch.times[epoch_idx] +
                loaded_epoch.durations[epoch_idx])

            self.assertEqual(len(block.segments[epoch_idx].events),
                             int(has_event))
            self.assertEqual(len(block.segments[epoch_idx].spiketrains), 1)
            self.assertEqual(len(block.segments[epoch_idx].analogsignals), 1)

            self.assertTrue(
                isinstance(block.segments[epoch_idx].spiketrains[0],
                           SpikeTrain))
            assert_same_attributes(block.segments[epoch_idx].spiketrains[0],
                                   sliced_st)

            self.assertTrue(
                isinstance(block.segments[epoch_idx].analogsignals[0],
                           AnalogSignal))
            assert_same_attributes(block.segments[epoch_idx].analogsignals[0],
                                   sliced_anasig)

            if has_event:
                self.assertTrue(
                    isinstance(block.segments[epoch_idx].events[0], Event))
                assert_same_attributes(block.segments[epoch_idx].events[0],
                                       sliced_event)

        block2 = Block()
        seg2 = Segment()
        epoch = Epoch(np.arange(10) * pq.s, durations=np.ones((10)) * pq.s)
        epoch.annotate(pick='me instead')
        seg2.epochs = [proxy_epoch, epoch]
        block2.segments = [seg2]
        block2.create_many_to_one_relationship()

        # test correct loading and slicing of EpochProxy objects
        # (not tested above since we used the EpochProxy to cut the block)

        cut_block_by_epochs(block2, properties={'pick': 'me instead'})

        for epoch_idx in range(len(epoch)):
            sliced_epoch = loaded_epoch.time_slice(
                t_start=epoch.times[epoch_idx],
                t_stop=epoch.times[epoch_idx] + epoch.durations[epoch_idx])
            has_epoch = len(sliced_epoch) > 0

            if has_epoch:
                self.assertTrue(
                    isinstance(block2.segments[epoch_idx].epochs[0], Epoch))
                assert_same_attributes(block2.segments[epoch_idx].epochs[0],
                                       sliced_epoch)
예제 #5
0
    def test__cut_block_by_epochs(self):
        epoch = Epoch([0.5, 10.0, 25.2] * pq.s,
                      durations=[5.1, 4.8, 5.0] * pq.s,
                      t_start=.1 * pq.s)
        epoch.annotate(epoch_type='a', pick='me')
        epoch.array_annotate(trial_id=[1, 2, 3])

        epoch2 = Epoch([0.6, 9.5, 16.8, 34.1] * pq.s,
                       durations=[4.5, 4.8, 5.0, 5.0] * pq.s,
                       t_start=.1 * pq.s)
        epoch2.annotate(epoch_type='b')
        epoch2.array_annotate(trial_id=[1, 2, 3, 4])

        event = Event(times=[0.5, 10.0, 25.2] * pq.s, t_start=.1 * pq.s)
        event.annotate(event_type='trial start')
        event.array_annotate(trial_id=[1, 2, 3])

        anasig = AnalogSignal(np.arange(50.0) * pq.mV,
                              t_start=.1 * pq.s,
                              sampling_rate=1.0 * pq.Hz)
        irrsig = IrregularlySampledSignal(signal=np.arange(50.0) * pq.mV,
                                          times=anasig.times,
                                          t_start=.1 * pq.s)
        st = SpikeTrain(
            np.arange(0.5, 50, 7) * pq.s,
            t_start=.1 * pq.s,
            t_stop=50.0 * pq.s,
            waveforms=np.array(
                [[[0., 1.], [0.1, 1.1]], [[2., 3.], [2.1, 3.1]],
                 [[4., 5.], [4.1, 5.1]], [[6., 7.], [6.1, 7.1]],
                 [[8., 9.], [8.1, 9.1]], [[12., 13.], [12.1, 13.1]],
                 [[14., 15.], [14.1, 15.1]], [[16., 17.], [16.1, 17.1]]]) *
            pq.mV,
            array_annotations={'spikenum': np.arange(1, 9)})

        seg = Segment()
        seg2 = Segment(name='NoCut')
        seg.epochs = [epoch, epoch2]
        seg.events = [event]
        seg.analogsignals = [anasig]
        seg.irregularlysampledsignals = [irrsig]
        seg.spiketrains = [st]

        block = Block()
        block.segments = [seg, seg2]
        block.create_many_to_one_relationship()

        # test without resetting the time
        cut_block_by_epochs(block, properties={'pick': 'me'})

        assert_neo_object_is_compliant(block)
        self.assertEqual(len(block.segments), 3)

        for epoch_idx in range(len(epoch)):
            self.assertEqual(len(block.segments[epoch_idx].events), 1)
            self.assertEqual(len(block.segments[epoch_idx].spiketrains), 1)
            self.assertEqual(len(block.segments[epoch_idx].analogsignals), 1)
            self.assertEqual(
                len(block.segments[epoch_idx].irregularlysampledsignals), 1)

            if epoch_idx != 0:
                self.assertEqual(len(block.segments[epoch_idx].epochs), 1)
            else:
                self.assertEqual(len(block.segments[epoch_idx].epochs), 2)

            assert_same_attributes(
                block.segments[epoch_idx].spiketrains[0],
                st.time_slice(t_start=epoch.times[epoch_idx],
                              t_stop=epoch.times[epoch_idx] +
                              epoch.durations[epoch_idx]))
            assert_same_attributes(
                block.segments[epoch_idx].analogsignals[0],
                anasig.time_slice(t_start=epoch.times[epoch_idx],
                                  t_stop=epoch.times[epoch_idx] +
                                  epoch.durations[epoch_idx]))
            assert_same_attributes(
                block.segments[epoch_idx].irregularlysampledsignals[0],
                irrsig.time_slice(t_start=epoch.times[epoch_idx],
                                  t_stop=epoch.times[epoch_idx] +
                                  epoch.durations[epoch_idx]))
            assert_same_attributes(
                block.segments[epoch_idx].events[0],
                event.time_slice(t_start=epoch.times[epoch_idx],
                                 t_stop=epoch.times[epoch_idx] +
                                 epoch.durations[epoch_idx]))
        assert_same_attributes(
            block.segments[0].epochs[0],
            epoch.time_slice(t_start=epoch.times[0],
                             t_stop=epoch.times[0] + epoch.durations[0]))
        assert_same_attributes(
            block.segments[0].epochs[1],
            epoch2.time_slice(t_start=epoch.times[0],
                              t_stop=epoch.times[0] + epoch.durations[0]))

        seg = Segment()
        seg2 = Segment(name='NoCut')
        seg.epochs = [epoch, epoch2]
        seg.events = [event]
        seg.analogsignals = [anasig]
        seg.irregularlysampledsignals = [irrsig]
        seg.spiketrains = [st]

        block = Block()
        block.segments = [seg, seg2]
        block.create_many_to_one_relationship()

        # test with resetting the time
        cut_block_by_epochs(block, properties={'pick': 'me'}, reset_time=True)

        assert_neo_object_is_compliant(block)
        self.assertEqual(len(block.segments), 3)

        for epoch_idx in range(len(epoch)):
            self.assertEqual(len(block.segments[epoch_idx].events), 1)
            self.assertEqual(len(block.segments[epoch_idx].spiketrains), 1)
            self.assertEqual(len(block.segments[epoch_idx].analogsignals), 1)
            self.assertEqual(
                len(block.segments[epoch_idx].irregularlysampledsignals), 1)
            if epoch_idx != 0:
                self.assertEqual(len(block.segments[epoch_idx].epochs), 1)
            else:
                self.assertEqual(len(block.segments[epoch_idx].epochs), 2)

            assert_same_attributes(
                block.segments[epoch_idx].spiketrains[0],
                st.time_shift(-epoch.times[epoch_idx]).time_slice(
                    t_start=0 * pq.s, t_stop=epoch.durations[epoch_idx]))

            anasig_target = anasig.time_shift(-epoch.times[epoch_idx])
            anasig_target = anasig_target.time_slice(
                t_start=0 * pq.s, t_stop=epoch.durations[epoch_idx])
            assert_same_attributes(block.segments[epoch_idx].analogsignals[0],
                                   anasig_target)
            irrsig_target = irrsig.time_shift(-epoch.times[epoch_idx])
            irrsig_target = irrsig_target.time_slice(
                t_start=0 * pq.s, t_stop=epoch.durations[epoch_idx])
            assert_same_attributes(
                block.segments[epoch_idx].irregularlysampledsignals[0],
                irrsig_target)
            assert_same_attributes(
                block.segments[epoch_idx].events[0],
                event.time_shift(-epoch.times[epoch_idx]).time_slice(
                    t_start=0 * pq.s, t_stop=epoch.durations[epoch_idx]))

        assert_same_attributes(
            block.segments[0].epochs[0],
            epoch.time_shift(-epoch.times[0]).time_slice(
                t_start=0 * pq.s, t_stop=epoch.durations[0]))
        assert_same_attributes(
            block.segments[0].epochs[1],
            epoch2.time_shift(-epoch.times[0]).time_slice(
                t_start=0 * pq.s, t_stop=epoch.durations[0]))
예제 #6
0
    def test__get_events(self):
        starts_1 = Event(times=[0.5, 10.0, 25.2] * pq.s)
        starts_1.annotate(event_type='trial start', pick='me')
        starts_1.array_annotate(trial_id=[1, 2, 3])

        stops_1 = Event(times=[5.5, 14.9, 30.1] * pq.s)
        stops_1.annotate(event_type='trial stop')
        stops_1.array_annotate(trial_id=[1, 2, 3])

        starts_2 = Event(times=[33.2, 41.7, 52.4] * pq.s)
        starts_2.annotate(event_type='trial start')
        starts_2.array_annotate(trial_id=[4, 5, 6])

        stops_2 = Event(times=[37.6, 46.1, 57.0] * pq.s)
        stops_2.annotate(event_type='trial stop')
        stops_2.array_annotate(trial_id=[4, 5, 6])

        seg = Segment()
        seg2 = Segment()
        seg.events = [starts_1, stops_1]
        seg2.events = [starts_2, stops_2]

        block = Block()
        block.segments = [seg, seg2]

        # test getting one whole event via annotation
        extracted_starts1 = get_events(seg, event_type='trial start')
        extracted_starts1b = get_events(block, pick='me')

        self.assertEqual(len(extracted_starts1), 1)
        self.assertEqual(len(extracted_starts1b), 1)

        extracted_starts1 = extracted_starts1[0]
        extracted_starts1b = extracted_starts1b[0]

        assert_same_attributes(extracted_starts1, starts_1)
        assert_same_attributes(extracted_starts1b, starts_1)

        # test getting an empty list by searching for a non-existent property
        empty1 = get_events(seg, foo='bar')

        self.assertEqual(len(empty1), 0)

        # test getting an empty list by searching for a non-existent property value
        empty2 = get_events(seg, event_type='undefined')

        self.assertEqual(len(empty2), 0)

        # test getting only one event time of one event
        trial_2 = get_events(block, trial_id=2, event_type='trial start')

        self.assertEqual(len(trial_2), 1)

        trial_2 = trial_2[0]

        self.assertEqual(starts_1.name, trial_2.name)
        self.assertEqual(starts_1.description, trial_2.description)
        self.assertEqual(starts_1.file_origin, trial_2.file_origin)
        self.assertEqual(starts_1.annotations['event_type'],
                         trial_2.annotations['event_type'])
        assert_arrays_equal(trial_2.array_annotations['trial_id'],
                            np.array([2]))
        self.assertIsInstance(trial_2.array_annotations, ArrayDict)

        # test getting only one event time of more than one event
        trial_2b = get_events(block, trial_id=2)

        self.assertEqual(len(trial_2b), 2)

        start_idx = np.where(
            np.array([ev.annotations['event_type']
                      for ev in trial_2b]) == 'trial start')[0][0]

        trial_2b_start = trial_2b[start_idx]
        trial_2b_stop = trial_2b[start_idx - 1]

        assert_same_attributes(trial_2b_start, trial_2)

        self.assertEqual(stops_1.name, trial_2b_stop.name)
        self.assertEqual(stops_1.description, trial_2b_stop.description)
        self.assertEqual(stops_1.file_origin, trial_2b_stop.file_origin)
        self.assertEqual(stops_1.annotations['event_type'],
                         trial_2b_stop.annotations['event_type'])
        assert_arrays_equal(trial_2b_stop.array_annotations['trial_id'],
                            np.array([2]))
        self.assertIsInstance(trial_2b_stop.array_annotations, ArrayDict)

        # test getting more than one event time of one event
        trials_1_2 = get_events(block,
                                trial_id=[1, 2],
                                event_type='trial start')

        self.assertEqual(len(trials_1_2), 1)

        trials_1_2 = trials_1_2[0]

        self.assertEqual(starts_1.name, trials_1_2.name)
        self.assertEqual(starts_1.description, trials_1_2.description)
        self.assertEqual(starts_1.file_origin, trials_1_2.file_origin)
        self.assertEqual(starts_1.annotations['event_type'],
                         trials_1_2.annotations['event_type'])
        assert_arrays_equal(trials_1_2.array_annotations['trial_id'],
                            np.array([1, 2]))
        self.assertIsInstance(trials_1_2.array_annotations, ArrayDict)

        # test getting more than one event time of more than one event
        trials_1_2b = get_events(block, trial_id=[1, 2])

        self.assertEqual(len(trials_1_2b), 2)

        start_idx = np.where(
            np.array([ev.annotations['event_type']
                      for ev in trials_1_2b]) == 'trial start')[0][0]

        trials_1_2b_start = trials_1_2b[start_idx]
        trials_1_2b_stop = trials_1_2b[start_idx - 1]

        assert_same_attributes(trials_1_2b_start, trials_1_2)

        self.assertEqual(stops_1.name, trials_1_2b_stop.name)
        self.assertEqual(stops_1.description, trials_1_2b_stop.description)
        self.assertEqual(stops_1.file_origin, trials_1_2b_stop.file_origin)
        self.assertEqual(stops_1.annotations['event_type'],
                         trials_1_2b_stop.annotations['event_type'])
        assert_arrays_equal(trials_1_2b_stop.array_annotations['trial_id'],
                            np.array([1, 2]))
        self.assertIsInstance(trials_1_2b_stop.array_annotations, ArrayDict)
예제 #7
0
    def test__get_epochs(self):
        a_1 = Epoch([0.5, 10.0, 25.2] * pq.s, durations=[5.1, 4.8, 5.0] * pq.s)
        a_1.annotate(epoch_type='a', pick='me')
        a_1.array_annotate(trial_id=[1, 2, 3])

        b_1 = Epoch([5.5, 14.9, 30.1] * pq.s, durations=[4.7, 4.9, 5.2] * pq.s)
        b_1.annotate(epoch_type='b')
        b_1.array_annotate(trial_id=[1, 2, 3])

        a_2 = Epoch([33.2, 41.7, 52.4] * pq.s,
                    durations=[5.3, 5.0, 5.1] * pq.s)
        a_2.annotate(epoch_type='a')
        a_2.array_annotate(trial_id=[4, 5, 6])

        b_2 = Epoch([37.6, 46.1, 57.0] * pq.s,
                    durations=[4.9, 5.2, 5.1] * pq.s)
        b_2.annotate(epoch_type='b')
        b_2.array_annotate(trial_id=[4, 5, 6])

        seg = Segment()
        seg2 = Segment()
        seg.epochs = [a_1, b_1]
        seg2.epochs = [a_2, b_2]

        block = Block()
        block.segments = [seg, seg2]

        # test getting one whole event via annotation
        extracted_a_1 = get_epochs(seg, epoch_type='a')
        extracted_a_1b = get_epochs(block, pick='me')

        self.assertEqual(len(extracted_a_1), 1)
        self.assertEqual(len(extracted_a_1b), 1)

        extracted_a_1 = extracted_a_1[0]
        extracted_a_1b = extracted_a_1b[0]

        assert_same_attributes(extracted_a_1, a_1)
        assert_same_attributes(extracted_a_1b, a_1)

        # test getting an empty list by searching for a non-existent property
        empty1 = get_epochs(seg, foo='bar')

        self.assertEqual(len(empty1), 0)

        # test getting an empty list by searching for a non-existent property value
        empty2 = get_epochs(seg, epoch_type='undefined')

        self.assertEqual(len(empty2), 0)

        # test getting only one event time of one event
        trial_2 = get_epochs(block, trial_id=2, epoch_type='a')

        self.assertEqual(len(trial_2), 1)

        trial_2 = trial_2[0]

        self.assertEqual(a_1.name, trial_2.name)
        self.assertEqual(a_1.description, trial_2.description)
        self.assertEqual(a_1.file_origin, trial_2.file_origin)
        self.assertEqual(a_1.annotations['epoch_type'],
                         trial_2.annotations['epoch_type'])
        assert_arrays_equal(trial_2.array_annotations['trial_id'],
                            np.array([2]))
        self.assertIsInstance(trial_2.array_annotations, ArrayDict)

        # test getting only one event time of more than one event
        trial_2b = get_epochs(block, trial_id=2)

        self.assertEqual(len(trial_2b), 2)

        a_idx = np.where(
            np.array([ev.annotations['epoch_type']
                      for ev in trial_2b]) == 'a')[0][0]

        trial_2b_a = trial_2b[a_idx]
        trial_2b_b = trial_2b[a_idx - 1]

        assert_same_attributes(trial_2b_a, trial_2)

        self.assertEqual(b_1.name, trial_2b_b.name)
        self.assertEqual(b_1.description, trial_2b_b.description)
        self.assertEqual(b_1.file_origin, trial_2b_b.file_origin)
        self.assertEqual(b_1.annotations['epoch_type'],
                         trial_2b_b.annotations['epoch_type'])
        assert_arrays_equal(trial_2b_b.array_annotations['trial_id'],
                            np.array([2]))
        self.assertIsInstance(trial_2b_b.array_annotations, ArrayDict)

        # test getting more than one event time of one event
        trials_1_2 = get_epochs(block, trial_id=[1, 2], epoch_type='a')

        self.assertEqual(len(trials_1_2), 1)

        trials_1_2 = trials_1_2[0]

        self.assertEqual(a_1.name, trials_1_2.name)
        self.assertEqual(a_1.description, trials_1_2.description)
        self.assertEqual(a_1.file_origin, trials_1_2.file_origin)
        self.assertEqual(a_1.annotations['epoch_type'],
                         trials_1_2.annotations['epoch_type'])
        assert_arrays_equal(trials_1_2.array_annotations['trial_id'],
                            np.array([1, 2]))
        self.assertIsInstance(trials_1_2.array_annotations, ArrayDict)

        # test getting more than one event time of more than one event
        trials_1_2b = get_epochs(block, trial_id=[1, 2])

        self.assertEqual(len(trials_1_2b), 2)

        a_idx = np.where(
            np.array([ev.annotations['epoch_type']
                      for ev in trials_1_2b]) == 'a')[0][0]

        trials_1_2b_a = trials_1_2b[a_idx]
        trials_1_2b_b = trials_1_2b[a_idx - 1]

        assert_same_attributes(trials_1_2b_a, trials_1_2)

        self.assertEqual(b_1.name, trials_1_2b_b.name)
        self.assertEqual(b_1.description, trials_1_2b_b.description)
        self.assertEqual(b_1.file_origin, trials_1_2b_b.file_origin)
        self.assertEqual(b_1.annotations['epoch_type'],
                         trials_1_2b_b.annotations['epoch_type'])
        assert_arrays_equal(trials_1_2b_b.array_annotations['trial_id'],
                            np.array([1, 2]))
        self.assertIsInstance(trials_1_2b_b.array_annotations, ArrayDict)
예제 #8
0
    def test__time_slice(self):
        time_slice = [.5, 5.6] * pq.s

        epoch2 = Epoch([0.6, 9.5, 16.8, 34.1] * pq.s,
                       durations=[4.5, 4.8, 5.0, 5.0] * pq.s,
                       t_start=.1 * pq.s)
        epoch2.annotate(epoch_type='b')
        epoch2.array_annotate(trial_id=[1, 2, 3, 4])

        event = Event(times=[0.5, 10.0, 25.2] * pq.s, t_start=.1 * pq.s)
        event.annotate(event_type='trial start')
        event.array_annotate(trial_id=[1, 2, 3])

        anasig = AnalogSignal(np.arange(50.0) * pq.mV,
                              t_start=.1 * pq.s,
                              sampling_rate=1.0 * pq.Hz)
        irrsig = IrregularlySampledSignal(signal=np.arange(50.0) * pq.mV,
                                          times=anasig.times,
                                          t_start=.1 * pq.s)
        st = SpikeTrain(
            np.arange(0.5, 50, 7) * pq.s,
            t_start=.1 * pq.s,
            t_stop=50.0 * pq.s,
            waveforms=np.array(
                [[[0., 1.], [0.1, 1.1]], [[2., 3.], [2.1, 3.1]],
                 [[4., 5.], [4.1, 5.1]], [[6., 7.], [6.1, 7.1]],
                 [[8., 9.], [8.1, 9.1]], [[12., 13.], [12.1, 13.1]],
                 [[14., 15.], [14.1, 15.1]], [[16., 17.], [16.1, 17.1]]]) *
            pq.mV,
            array_annotations={'spikenum': np.arange(1, 9)})

        seg = Segment()
        seg.epochs = [epoch2]
        seg.events = [event]
        seg.analogsignals = [anasig]
        seg.irregularlysampledsignals = [irrsig]
        seg.spiketrains = [st]

        block = Block()
        block.segments = [seg]
        block.create_many_to_one_relationship()

        # test without resetting the time
        sliced = seg.time_slice(time_slice[0], time_slice[1])

        assert_neo_object_is_compliant(sliced)

        self.assertEqual(len(sliced.events), 1)
        self.assertEqual(len(sliced.spiketrains), 1)
        self.assertEqual(len(sliced.analogsignals), 1)
        self.assertEqual(len(sliced.irregularlysampledsignals), 1)
        self.assertEqual(len(sliced.epochs), 1)

        assert_same_attributes(
            sliced.spiketrains[0],
            st.time_slice(t_start=time_slice[0], t_stop=time_slice[1]))
        assert_same_attributes(
            sliced.analogsignals[0],
            anasig.time_slice(t_start=time_slice[0], t_stop=time_slice[1]))
        assert_same_attributes(
            sliced.irregularlysampledsignals[0],
            irrsig.time_slice(t_start=time_slice[0], t_stop=time_slice[1]))
        assert_same_attributes(
            sliced.events[0],
            event.time_slice(t_start=time_slice[0], t_stop=time_slice[1]))
        assert_same_attributes(
            sliced.epochs[0],
            epoch2.time_slice(t_start=time_slice[0], t_stop=time_slice[1]))

        seg = Segment()
        seg.epochs = [epoch2]
        seg.events = [event]
        seg.analogsignals = [anasig]
        seg.irregularlysampledsignals = [irrsig]
        seg.spiketrains = [st]

        block = Block()
        block.segments = [seg]
        block.create_many_to_one_relationship()

        # test with resetting the time
        sliced = seg.time_slice(time_slice[0], time_slice[1], reset_time=True)

        assert_neo_object_is_compliant(sliced)

        self.assertEqual(len(sliced.events), 1)
        self.assertEqual(len(sliced.spiketrains), 1)
        self.assertEqual(len(sliced.analogsignals), 1)
        self.assertEqual(len(sliced.irregularlysampledsignals), 1)
        self.assertEqual(len(sliced.epochs), 1)

        assert_same_attributes(
            sliced.spiketrains[0],
            st.time_shift(-time_slice[0]).time_slice(t_start=0 * pq.s,
                                                     t_stop=time_slice[1] -
                                                     time_slice[0]))

        anasig_target = anasig.copy()
        anasig_target = anasig_target.time_shift(-time_slice[0]).time_slice(
            t_start=0 * pq.s, t_stop=time_slice[1] - time_slice[0])
        assert_same_attributes(sliced.analogsignals[0], anasig_target)
        irrsig_target = irrsig.copy()
        irrsig_target = irrsig_target.time_shift(-time_slice[0]).time_slice(
            t_start=0 * pq.s, t_stop=time_slice[1] - time_slice[0])
        assert_same_attributes(sliced.irregularlysampledsignals[0],
                               irrsig_target)
        assert_same_attributes(
            sliced.events[0],
            event.time_shift(-time_slice[0]).time_slice(t_start=0 * pq.s,
                                                        t_stop=time_slice[1] -
                                                        time_slice[0]))
        assert_same_attributes(
            sliced.epochs[0],
            epoch2.time_shift(-time_slice[0]).time_slice(t_start=0 * pq.s,
                                                         t_stop=time_slice[1] -
                                                         time_slice[0]))

        seg = Segment()

        reader = ExampleRawIO(filename='my_filename.fake')
        reader.parse_header()

        proxy_anasig = AnalogSignalProxy(rawio=reader,
                                         stream_index=0,
                                         inner_stream_channels=None,
                                         block_index=0,
                                         seg_index=0)
        seg.analogsignals.append(proxy_anasig)

        proxy_st = SpikeTrainProxy(rawio=reader,
                                   spike_channel_index=0,
                                   block_index=0,
                                   seg_index=0)
        seg.spiketrains.append(proxy_st)

        proxy_event = EventProxy(rawio=reader,
                                 event_channel_index=0,
                                 block_index=0,
                                 seg_index=0)
        seg.events.append(proxy_event)

        proxy_epoch = EpochProxy(rawio=reader,
                                 event_channel_index=1,
                                 block_index=0,
                                 seg_index=0)
        proxy_epoch.annotate(pick='me')
        seg.epochs.append(proxy_epoch)

        loaded_epoch = proxy_epoch.load()
        loaded_event = proxy_event.load()
        loaded_st = proxy_st.load()
        loaded_anasig = proxy_anasig.load()

        block = Block()
        block.segments = [seg]
        block.create_many_to_one_relationship()

        # test with proxy objects
        sliced = seg.time_slice(time_slice[0], time_slice[1])

        assert_neo_object_is_compliant(sliced)

        sliced_event = loaded_event.time_slice(t_start=time_slice[0],
                                               t_stop=time_slice[1])
        has_event = len(sliced_event) > 0

        sliced_anasig = loaded_anasig.time_slice(t_start=time_slice[0],
                                                 t_stop=time_slice[1])

        sliced_st = loaded_st.time_slice(t_start=time_slice[0],
                                         t_stop=time_slice[1])

        self.assertEqual(len(sliced.events), int(has_event))
        self.assertEqual(len(sliced.spiketrains), 1)
        self.assertEqual(len(sliced.analogsignals), 1)

        self.assertTrue(isinstance(sliced.spiketrains[0], SpikeTrain))
        assert_same_attributes(sliced.spiketrains[0], sliced_st)

        self.assertTrue(isinstance(sliced.analogsignals[0], AnalogSignal))
        assert_same_attributes(sliced.analogsignals[0], sliced_anasig)

        if has_event:
            self.assertTrue(isinstance(sliced.events[0], Event))
            assert_same_attributes(sliced.events[0], sliced_event)
예제 #9
0
    def test__children(self):
        blk = Block(name='block1')
        blk.segments = [self.seg1]
        blk.create_many_to_one_relationship(force=True)
        assert_neo_object_is_compliant(self.seg1)
        assert_neo_object_is_compliant(blk)

        childobjs = ('AnalogSignal',
                     'Epoch', 'Event',
                     'IrregularlySampledSignal',
                     'SpikeTrain')
        childconts = ('analogsignals',
                      'epochs', 'events',
                      'irregularlysampledsignals',
                      'spiketrains')
        self.assertEqual(self.seg1._container_child_objects, ())
        self.assertEqual(self.seg1._data_child_objects, childobjs)
        self.assertEqual(self.seg1._single_parent_objects, ('Block',))
        self.assertEqual(self.seg1._multi_child_objects, ())
        self.assertEqual(self.seg1._multi_parent_objects, ())
        self.assertEqual(self.seg1._child_properties, ())

        self.assertEqual(self.seg1._single_child_objects, childobjs)
        self.assertEqual(self.seg1._container_child_containers, ())
        self.assertEqual(self.seg1._data_child_containers, childconts)
        self.assertEqual(self.seg1._single_child_containers, childconts)
        self.assertEqual(self.seg1._single_parent_containers, ('block',))
        self.assertEqual(self.seg1._multi_child_containers, ())
        self.assertEqual(self.seg1._multi_parent_containers, ())

        self.assertEqual(self.seg1._child_objects, childobjs)
        self.assertEqual(self.seg1._child_containers, childconts)
        self.assertEqual(self.seg1._parent_objects, ('Block',))
        self.assertEqual(self.seg1._parent_containers, ('block',))

        totchildren = (self.nchildren*2 +   # epoch/event
                       self.nchildren +     # analogsignal
                       self.nchildren**2 +  # spiketrain
                       self.nchildren)      # irregsignal
        self.assertEqual(len(self.seg1._single_children), totchildren)
        self.assertEqual(len(self.seg1.data_children), totchildren)
        self.assertEqual(len(self.seg1.children), totchildren)
        self.assertEqual(len(self.seg1.data_children_recur), totchildren)
        self.assertEqual(len(self.seg1.children_recur), totchildren)

        self.assertEqual(len(self.seg1._multi_children), 0)
        self.assertEqual(len(self.seg1.container_children), 0)
        self.assertEqual(len(self.seg1.container_children_recur), 0)

        children = (self.sigarrs1a +
                    self.epcs1a + self.evts1a +
                    self.irsigs1a +
                    self.trains1a)
        assert_same_sub_schema(list(self.seg1._single_children), children)
        assert_same_sub_schema(list(self.seg1.data_children), children)
        assert_same_sub_schema(list(self.seg1.data_children_recur), children)
        assert_same_sub_schema(list(self.seg1.children), children)
        assert_same_sub_schema(list(self.seg1.children_recur), children)

        self.assertEqual(len(self.seg1.parents), 1)
        self.assertEqual(self.seg1.parents[0].name, 'block1')
예제 #10
0
    def test__children(self):
        blk = Block(name='block1')
        blk.segments = [self.segment1]
        blk.create_many_to_one_relationship()

        self.assertEqual(self.segment1._container_child_objects, ())
        self.assertEqual(self.segment1._data_child_objects,
                         ('AnalogSignal', 'AnalogSignalArray',
                          'Epoch', 'EpochArray',
                          'Event', 'EventArray',
                          'IrregularlySampledSignal',
                          'Spike', 'SpikeTrain'))
        self.assertEqual(self.segment1._single_parent_objects, ('Block',))
        self.assertEqual(self.segment1._multi_child_objects, ())
        self.assertEqual(self.segment1._multi_parent_objects, ())
        self.assertEqual(self.segment1._child_properties, ())

        self.assertEqual(self.segment1._single_child_objects,
                         ('AnalogSignal', 'AnalogSignalArray',
                          'Epoch', 'EpochArray',
                          'Event', 'EventArray',
                          'IrregularlySampledSignal',
                          'Spike', 'SpikeTrain'))

        self.assertEqual(self.segment1._container_child_containers, ())
        self.assertEqual(self.segment1._data_child_containers,
                         ('analogsignals', 'analogsignalarrays',
                          'epochs', 'epocharrays',
                          'events', 'eventarrays',
                          'irregularlysampledsignals',
                          'spikes', 'spiketrains'))
        self.assertEqual(self.segment1._single_child_containers,
                         ('analogsignals', 'analogsignalarrays',
                          'epochs', 'epocharrays',
                          'events', 'eventarrays',
                          'irregularlysampledsignals',
                          'spikes', 'spiketrains'))
        self.assertEqual(self.segment1._single_parent_containers, ('block',))
        self.assertEqual(self.segment1._multi_child_containers, ())
        self.assertEqual(self.segment1._multi_parent_containers, ())

        self.assertEqual(self.segment1._child_objects,
                         ('AnalogSignal', 'AnalogSignalArray',
                          'Epoch', 'EpochArray',
                          'Event', 'EventArray',
                          'IrregularlySampledSignal',
                          'Spike', 'SpikeTrain'))
        self.assertEqual(self.segment1._child_containers,
                         ('analogsignals', 'analogsignalarrays',
                          'epochs', 'epocharrays',
                          'events', 'eventarrays',
                          'irregularlysampledsignals',
                          'spikes', 'spiketrains'))
        self.assertEqual(self.segment1._parent_objects, ('Block',))
        self.assertEqual(self.segment1._parent_containers, ('block',))

        self.assertEqual(len(self.segment1.children),
                         (len(self.sig1) +
                          len(self.sigarr1) +
                          len(self.epoch1) +
                          len(self.epocharr1) +
                          len(self.event1) +
                          len(self.eventarr1) +
                          len(self.irsig1) +
                          len(self.spike1) +
                          len(self.train1)))
        self.assertEqual(self.segment1.children[0].name, self.signames1[0])
        self.assertEqual(self.segment1.children[1].name, self.signames1[1])
        self.assertEqual(self.segment1.children[2].name, self.sigarrnames1[0])
        self.assertEqual(self.segment1.children[3].name, self.sigarrnames1[1])
        self.assertEqual(self.segment1.children[4].name, self.epochnames1[0])
        self.assertEqual(self.segment1.children[5].name, self.epochnames1[1])
        self.assertEqual(self.segment1.children[6].name,
                         self.epocharrnames1[0])
        self.assertEqual(self.segment1.children[7].name,
                         self.epocharrnames1[1])
        self.assertEqual(self.segment1.children[8].name, self.eventnames1[0])
        self.assertEqual(self.segment1.children[9].name, self.eventnames1[1])
        self.assertEqual(self.segment1.children[10].name,
                         self.eventarrnames1[0])
        self.assertEqual(self.segment1.children[11].name,
                         self.eventarrnames1[1])
        self.assertEqual(self.segment1.children[12].name, self.irsignames1[0])
        self.assertEqual(self.segment1.children[13].name, self.irsignames1[1])
        self.assertEqual(self.segment1.children[14].name, self.spikenames1[0])
        self.assertEqual(self.segment1.children[15].name, self.spikenames1[1])
        self.assertEqual(self.segment1.children[16].name, self.trainnames1[0])
        self.assertEqual(self.segment1.children[17].name, self.trainnames1[1])
        self.assertEqual(len(self.segment1.parents), 1)
        self.assertEqual(self.segment1.parents[0].name, 'block1')

        self.segment1.create_many_to_one_relationship()
        self.segment1.create_many_to_many_relationship()
        self.segment1.create_relationship()
        assert_neo_object_is_compliant(self.segment1)