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Python Segment.filter方法代码示例

本文整理汇总了Python中neo.core.Segment.filter方法的典型用法代码示例。如果您正苦于以下问题:Python Segment.filter方法的具体用法?Python Segment.filter怎么用?Python Segment.filter使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在neo.core.Segment的用法示例。


在下文中一共展示了Segment.filter方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_read_nse_data

# 需要导入模块: from neo.core import Segment [as 别名]
# 或者: from neo.core.Segment import filter [as 别名]
    def test_read_nse_data(self):
        t_start, t_stop = None, None  # in samples

        nio = NeuralynxIO(self.sn, use_cache='never')
        seg = Segment('testsegment')

        for el_id, el_dict in nio.parameters_nse.iteritems():
            filepath = nio.parameters_nse[el_id]['recording_file_name']
            filename = filepath.split('/')[-1].split('\\')[-1].split('.')[0]
            nio.read_nse(filename, seg, t_start=t_start, t_stop=t_stop,
                         waveforms=True)
            spiketrain = seg.filter({'electrode_id': el_id},
                                    objects=SpikeTrain)[0]

            # target_data = np.zeros((500, 32))
            # timestamps = np.zeros(500)
            entries = []
            with open(self.pd + '/%s.txt' % filename) as datafile:
                for i, line in enumerate(datafile):
                    line = line.strip('\xef\xbb\xbf')
                    entries.append(line.split())
            entries = np.asarray(entries, dtype=float)
            target_data = entries[:-1, 11:]
            timestamps = entries[:-1, 0]

            timestamps = (timestamps * pq.microsecond -
                          nio.parameters_global['t_start'])

            np.testing.assert_array_equal(timestamps.magnitude,
                                          spiketrain.magnitude)
            np.testing.assert_array_equal(target_data,
                                          spiketrain.waveforms)
开发者ID:CINPLA,项目名称:python-neo,代码行数:34,代码来源:test_neuralynxio.py

示例2: test_read_nev_data

# 需要导入模块: from neo.core import Segment [as 别名]
# 或者: from neo.core.Segment import filter [as 别名]
    def test_read_nev_data(self):
        t_start, t_stop = 0 * pq.s, 1000 * pq.s

        nio = NeuralynxIO(self.sn, use_cache='never')
        seg = Segment('testsegment')

        filename = 'Events'
        nio.read_nev(filename + '.nev', seg, t_start=t_start, t_stop=t_stop)

        timestamps = []
        nttls = []
        names = []
        event_ids = []

        with open(self.pd + '/%s.txt' % filename) as datafile:
            for i, line in enumerate(datafile):
                line = line.strip('\xef\xbb\xbf')
                entries = line.split('\t')
                nttls.append(int(entries[5]))
                timestamps.append(int(entries[3]))
                names.append(entries[10].rstrip('\r\n'))
                event_ids.append(int(entries[4]))

        timestamps = (np.array(timestamps) * pq.microsecond -
                      nio.parameters_global['t_start'])
        # masking only requested spikes
        mask = np.where(timestamps < t_stop)[0]

        # return if no event fits criteria
        if len(mask) == 0:
            return
        timestamps = timestamps[mask]
        nttls = np.asarray(nttls)[mask]
        names = np.asarray(names)[mask]
        event_ids = np.asarray(event_ids)[mask]

        for i in range(len(timestamps)):
            events = seg.filter({'nttl': nttls[i]}, objects=Event)
            events = [e for e in events
                      if (e.annotations['marker_id'] == event_ids[i] and
                          e.labels == names[i])]
            self.assertTrue(len(events) == 1)
            self.assertTrue(timestamps[i] in events[0].times)
开发者ID:CINPLA,项目名称:python-neo,代码行数:45,代码来源:test_neuralynxio.py

示例3: test_read_ncs_data

# 需要导入模块: from neo.core import Segment [as 别名]
# 或者: from neo.core.Segment import filter [as 别名]
    def test_read_ncs_data(self):
        t_start, t_stop = 0, 500 * 512  # in samples

        nio = NeuralynxIO(self.sn, use_cache='never')
        seg = Segment('testsegment')

        for el_id, el_dict in nio.parameters_ncs.iteritems():
            filepath = nio.parameters_ncs[el_id]['recording_file_name']
            filename = filepath.split('/')[-1].split('\\')[-1].split('.')[0]
            nio.read_ncs(filename, seg, t_start=t_start, t_stop=t_stop)
            anasig = seg.filter({'electrode_id': el_id},
                                objects=AnalogSignal)[0]

            target_data = np.zeros((16679, 512))
            with open(self.pd + '/%s.txt' % filename) as datafile:
                for i, line in enumerate(datafile):
                    line = line.strip('\xef\xbb\xbf')
                    entries = line.split()
                    target_data[i, :] = np.asarray(entries[4:])

            target_data = target_data.reshape((-1, 1)) * el_dict['ADBitVolts']

            np.testing.assert_array_equal(target_data[:len(anasig)],
                                          anasig.magnitude)
开发者ID:CINPLA,项目名称:python-neo,代码行数:26,代码来源:test_neuralynxio.py


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