def run(self):
R0=si.MdaRecordingExtractor(dataset_directory=self.recording_dir,download=True)
if (self.channel_ids) and (len(self.channel_ids)>0):
R0=si.SubRecordingExtractor(parent_recording=R0,channel_ids=self.channel_ids)
recording=sw.lazyfilters.bandpass_filter(recording=R0,freq_min=300,freq_max=6000)
sorting=si.MdaSortingExtractor(firings_file=self.firings)
ef=int(1e6)
recording_sub=si.SubRecordingExtractor(parent_recording=recording,start_frame=0,end_frame=ef)
recording_sub=MemoryRecordingExtractor(parent_recording=recording_sub)
sorting_sub=si.SubSortingExtractor(parent_sorting=sorting,start_frame=0,end_frame=ef)
unit_ids=self.unit_ids
if (not unit_ids) or (len(unit_ids)==0):
unit_ids=sorting.getUnitIds()
channel_noise_levels=compute_channel_noise_levels(recording=recording)
print('computing templates...')
templates=compute_unit_templates(recording=recording_sub,sorting=sorting_sub,unit_ids=unit_ids)
print('.')
ret=[]
for i,unit_id in enumerate(unit_ids):
template=templates[i]
info0=dict()
info0['unit_id']=int(unit_id)
info0['snr']=compute_template_snr(template,channel_noise_levels)
peak_channel_index=np.argmax(np.max(np.abs(template),axis=1))
info0['peak_channel']=int(recording.getChannelIds()[peak_channel_index])
train=sorting.getUnitSpikeTrain(unit_id=unit_id)
info0['num_events']=int(len(train))
info0['firing_rate']=float(len(train)/(recording.getNumFrames()/recording.getSamplingFrequency()))
ret.append(info0)
write_json_file(self.json_out,ret)
def run(self):
print(
'GenSortingComparisonTable: firings={}, firings_true={}, units_true={}'
.format(self.firings, self.firings_true, self.units_true))
sorting = SFMdaSortingExtractor(firings_file=self.firings)
sorting_true = SFMdaSortingExtractor(firings_file=self.firings_true)
if (self.units_true is not None) and (len(self.units_true) > 0):
sorting_true = si.SubSortingExtractor(parent_sorting=sorting_true,
unit_ids=self.units_true)
SC = st.comparison.compare_sorter_to_ground_truth(
gt_sorting=sorting_true,
tested_sorting=sorting,
delta_time=0.3,
min_accuracy=0,
compute_misclassification=False,
exhaustive_gt=False # Fix this in future
)
df = pd.concat([SC.count, SC.get_performance()], axis=1).reset_index()
df = df.rename(columns=dict(gt_unit_id='unit_id',
fp='num_false_positives',
fn='num_false_negatives',
tested_id='best_unit',
tp='num_matches'))
df['matched_unit'] = df['best_unit']
df['f_p'] = 1 - df['precision']
df['f_n'] = 1 - df['recall']
# sw.SortingComparisonTable(comparison=SC).getDataframe()
json = df.transpose().to_dict()
html = df.to_html(index=False)
_write_json_file(json, self.json_out)
_write_json_file(html, self.html_out)
def old_fetch_average_waveform_plot_data(recording_object, sorting_object,
unit_id):
import labbox_ephys as le
R = le.LabboxEphysRecordingExtractor(recording_object)
S = le.LabboxEphysSortingExtractor(sorting_object)
start_frame = 0
end_frame = R.get_sampling_frequency() * 30
R0 = se.SubRecordingExtractor(parent_recording=R,
start_frame=start_frame,
end_frame=end_frame)
S0 = se.SubSortingExtractor(parent_sorting=S,
start_frame=start_frame,
end_frame=end_frame)
times0 = S0.get_unit_spike_train(unit_id=unit_id)
if len(times0) == 0:
# no waveforms found
return dict(channel_id=None, average_waveform=None)
try:
average_waveform = st.postprocessing.get_unit_templates(
recording=R0, sorting=S0, unit_ids=[unit_id])[0]
except:
raise Exception(f'Error getting unit templates for unit {unit_id}')
channel_maximums = np.max(np.abs(average_waveform), axis=1)
maxchan_index = np.argmax(channel_maximums)
maxchan_id = R0.get_channel_ids()[maxchan_index]
return dict(channel_id=maxchan_id,
average_waveform=average_waveform[maxchan_index, :].tolist())
def test_multi_sub_sorting_extractor(self):
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], )
SX_multi.set_unit_property(unit_id=1, property_name='dummy', value=5)
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi, start_frame=0)
self._check_sortings_equal(SX_multi, SX_sub)
self.assertEqual(SX_multi.get_unit_property(1, 'dummy'),
SX_sub.get_unit_property(1, 'dummy'))
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(sortings=[self.SX, self.SX2], )
SX_sub1 = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=0,
end_frame=N)
self._check_sortings_equal(SX_multi, SX_sub1)
def _keep_good_units(sorting_obj, cluster_groups_csv_uri):
sorting = LabboxEphysSortingExtractor(sorting_obj)
df = pd.read_csv(kp.load_file(cluster_groups_csv_uri), delimiter='\t')
df_good = df.loc[df['group'] == 'good']
good_unit_ids = df_good['cluster_id'].to_numpy().tolist()
sorting_good = se.SubSortingExtractor(parent_sorting=sorting,
unit_ids=good_unit_ids)
return _create_npy1_sorting_object(sorting=sorting_good)
def run(self):
sorting=si.MdaSortingExtractor(firings_file=self.firings)
sorting_true=si.MdaSortingExtractor(firings_file=self.firings_true)
if len(self.units_true)>0:
sorting_true=si.SubSortingExtractor(parent_sorting=sorting_true,unit_ids=self.units_true)
SC=st.comparison.SortingComparison(sorting_true,sorting)
df=sw.SortingComparisonTable(comparison=SC).getDataframe()
json=df.transpose().to_dict()
html=df.to_html(index=False)
_write_json_file(json,self.json_out)
_write_json_file(html,self.html_out)
def test_multi_sub_sorting_extractor(self):
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, N, 2 * N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=N,
end_frame=2 * N)
self._check_sortings_equal(self.SX, SX_sub)
self.assertEqual(SX_multi.get_sampling_frequency(),
self.SX.get_sampling_frequency())
self.assertEqual(SX_sub.get_sampling_frequency(),
self.SX.get_sampling_frequency())
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, N, 2 * N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi, start_frame=0)
self._check_sortings_equal(SX_multi, SX_sub)
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[2 * N, 0, N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=N,
end_frame=2 * N)
self._check_sortings_equal(self.SX, SX_sub)
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, 0, 0])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi, start_frame=0)
self._check_sortings_equal(SX_multi, SX_sub)
N = self.RX.get_num_frames()
SX_multi = se.MultiSortingExtractor(sortings=[self.SX, self.SX2],
start_frames=[0, 0])
SX_sub1 = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=0,
end_frame=N)
self._check_sortings_equal(SX_multi, SX_sub1)
def get_unit_waveforms(recording, sorting, unit_ids, channel_ids_by_unit,
snippet_len):
if not isinstance(snippet_len, list) and not isinstance(
snippet_len, tuple):
b = int(snippet_len / 2)
a = int(snippet_len) - b
snippet_len = [a, b]
num_channels = recording.get_num_channels()
num_frames = recording.get_num_frames()
num_bytes_per_chunk = 1000 * 1000 * 1000 # ? how to choose this
num_bytes_per_frame = num_channels * 2
chunk_size = num_bytes_per_chunk / num_bytes_per_frame
padding_size = 100 + snippet_len[0] + snippet_len[
1] # a bit excess padding
chunks = _divide_recording_into_time_chunks(num_frames=num_frames,
chunk_size=chunk_size,
padding_size=padding_size)
all_unit_waveforms = [[] for ii in range(len(unit_ids))]
for ii, chunk in enumerate(chunks):
# chunk: {istart, iend, istart_with_padding, iend_with_padding} # include padding
print(
f'Processing chunk {ii + 1} of {len(chunks)}; chunk-range: {chunk["istart_with_padding"]} {chunk["iend_with_padding"]}; num-frames: {num_frames}'
)
recording_chunk = se.SubRecordingExtractor(
parent_recording=recording,
start_frame=chunk['istart_with_padding'],
end_frame=chunk['iend_with_padding'])
# note that the efficiency of this operation may need improvement (really depends on sorting extractor implementation)
sorting_chunk = se.SubSortingExtractor(parent_sorting=sorting,
start_frame=chunk['istart'],
end_frame=chunk['iend'])
print(f'Getting unit waveforms for chunk {ii + 1} of {len(chunks)}')
# num_events_in_chunk x num_channels_in_nbhd[unit_id] x len_of_one_snippet
unit_waveforms = _get_unit_waveforms_for_chunk(
recording=recording_chunk,
sorting=sorting_chunk,
frame_offset=chunk['istart'] - chunk[
'istart_with_padding'], # just the padding size (except 0 for first chunk)
unit_ids=unit_ids,
snippet_len=snippet_len,
channel_ids_by_unit=channel_ids_by_unit)
for i_unit, x in enumerate(unit_waveforms):
all_unit_waveforms[i_unit].append(x)
# concatenate the results over the chunks
unit_waveforms = [
# tot_num_events_for_unit x num_channels_in_nbhd[unit_id] x len_of_one_snippet
np.concatenate(all_unit_waveforms[i_unit], axis=0)
for i_unit in range(len(unit_ids))
]
return unit_waveforms
def test_example(self):
self.assertEqual(self.RX.get_channel_ids(), self.example_info['channel_ids'])
self.assertEqual(self.RX.get_num_channels(), self.example_info['num_channels'])
self.assertEqual(self.RX.get_num_frames(), self.example_info['num_frames'])
self.assertEqual(self.RX.get_sampling_frequency(), self.example_info['sampling_frequency'])
self.assertEqual(self.SX.get_unit_ids(), self.example_info['unit_ids'])
self.assertEqual(self.RX.get_channel_locations(0)[0][0], self.example_info['channel_prop'][0])
self.assertEqual(self.RX.get_channel_locations(0)[0][1], self.example_info['channel_prop'][1])
self.assertEqual(self.SX.get_unit_property(unit_id=1, property_name='stability'),
self.example_info['unit_prop'])
self.assertTrue(np.array_equal(self.SX.get_unit_spike_train(1), self.example_info['train1']))
self.assertTrue(issubclass(self.SX.get_unit_spike_train(1).dtype.type, np.integer))
self.assertTrue(self.RX.get_shared_channel_property_names(), ['group', 'location', 'shared_channel_prop'])
self.assertTrue(self.RX.get_channel_property_names(0), ['group', 'location', 'shared_channel_prop'])
self.assertTrue(self.SX2.get_shared_unit_property_names(), ['shared_unit_prop'])
self.assertTrue(self.SX2.get_unit_property_names(4), ['shared_unit_prop', 'stability'])
self.assertTrue(self.SX2.get_shared_unit_spike_feature_names(), ['shared_unit_feature'])
self.assertTrue(self.SX2.get_unit_spike_feature_names(3), ['shared_channel_prop', 'widths'])
print(self.SX3.get_unit_spike_features(0, 'dummy'))
self.assertTrue(np.array_equal(self.SX3.get_unit_spike_features(0, 'dummy'), self.example_info['features3']))
self.assertTrue(np.array_equal(self.SX3.get_unit_spike_features(0, 'dummy', start_frame=4),
self.example_info['features3'][1:]))
self.assertTrue(np.array_equal(self.SX3.get_unit_spike_features(0, 'dummy', end_frame=4),
self.example_info['features3'][:1]))
self.assertTrue(np.array_equal(self.SX3.get_unit_spike_features(0, 'dummy', start_frame=20, end_frame=46),
self.example_info['features3'][1:6]))
self.assertTrue('dummy2' in self.SX3.get_unit_spike_feature_names(0))
self.assertTrue('dummy2_idxs' in self.SX3.get_unit_spike_feature_names(0))
sub_extractor_full = se.SubSortingExtractor(self.SX3)
sub_extractor_partial = se.SubSortingExtractor(self.SX3, start_frame=20, end_frame=46)
self.assertTrue(np.array_equal(sub_extractor_full.get_unit_spike_features(0, 'dummy'),
self.SX3.get_unit_spike_features(0, 'dummy')))
self.assertTrue(np.array_equal(sub_extractor_partial.get_unit_spike_features(0, 'dummy'),
self.SX3.get_unit_spike_features(0, 'dummy', start_frame=20, end_frame=46)))
check_recording_return_types(self.RX)
def test_multi_sub_sorting_extractor(self):
N = self.RX.getNumFrames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, N, 2 * N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=N,
end_frame=2 * N)
self._check_sortings_equal(self.SX, SX_sub)
N = self.RX.getNumFrames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, N, 2 * N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi, start_frame=0)
self._check_sortings_equal(SX_multi, SX_sub)
N = self.RX.getNumFrames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[2 * N, 0, N])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=N,
end_frame=2 * N)
self._check_sortings_equal(self.SX, SX_sub)
N = self.RX.getNumFrames()
SX_multi = se.MultiSortingExtractor(
sortings=[self.SX, self.SX, self.SX], start_frames=[0, 0, 0])
SX_sub = se.SubSortingExtractor(parent_sorting=SX_multi, start_frame=0)
self._check_sortings_equal(SX_multi, SX_sub)
N = self.RX.getNumFrames()
SX_multi = se.MultiSortingExtractor(sortings=[self.SX, self.SX2],
start_frames=[0, 0])
SX_sub1 = se.SubSortingExtractor(parent_sorting=SX_multi,
start_frame=0,
end_frame=N)
self._check_sortings_equal(SX_multi, SX_sub1)
def mountainsort4_curation(*,
recording,
sorting,
noise_overlap_threshold=None):
if noise_overlap_threshold is not None:
units = sorting.get_unit_ids()
noise_overlap_scores = compute_noise_overlap(recording=recording,
sorting=sorting,
unit_ids=units)
inds = np.where(
np.array(noise_overlap_scores) <= noise_overlap_threshold)[0]
new_units = list(np.array(units)[inds])
sorting = se.SubSortingExtractor(parent_sorting=sorting,
unit_ids=new_units)
return sorting
def run(self):
print(
'GenSortingComparisonTable: firings={}, firings_true={}, units_true={}'
.format(self.firings, self.firings_true, self.units_true))
sorting = SFMdaSortingExtractor(firings_file=self.firings)
sorting_true = SFMdaSortingExtractor(firings_file=self.firings_true)
if (self.units_true is not None) and (len(self.units_true) > 0):
sorting_true = si.SubSortingExtractor(parent_sorting=sorting_true,
unit_ids=self.units_true)
SC = SortingComparison(sorting_true, sorting, delta_tp=30)
df = get_comparison_data_frame(comparison=SC)
# sw.SortingComparisonTable(comparison=SC).getDataframe()
json = df.transpose().to_dict()
html = df.to_html(index=False)
_write_json_file(json, self.json_out)
_write_json_file(html, self.html_out)
def test_dump_load_multi_sub_extractor(self):
# generate dumpable formats
path1 = self.test_dir + '/mda'
path2 = path1 + '/firings_true.mda'
se.MdaRecordingExtractor.write_recording(self.RX, path1)
se.MdaSortingExtractor.write_sorting(self.SX, path2)
RX_mda = se.MdaRecordingExtractor(path1)
SX_mda = se.MdaSortingExtractor(path2)
RX_multi_chan = se.MultiRecordingChannelExtractor(recordings=[RX_mda, RX_mda, RX_mda])
check_dumping(RX_multi_chan)
RX_multi_time = se.MultiRecordingTimeExtractor(recordings=[RX_mda, RX_mda, RX_mda], )
check_dumping(RX_multi_time)
RX_multi_chan = se.SubRecordingExtractor(RX_mda, channel_ids=[0, 1])
check_dumping(RX_multi_chan)
SX_sub = se.SubSortingExtractor(SX_mda, unit_ids=[1, 2])
check_dumping(SX_sub)
SX_multi = se.MultiSortingExtractor(sortings=[SX_mda, SX_mda, SX_mda])
check_dumping(SX_multi)
def prepare_snippets_nwb_from_extractors(
recording: se.RecordingExtractor,
sorting: se.SortingExtractor,
nwb_file_path: str,
nwb_object_prefix: str,
start_frame,
end_frame,
max_neighborhood_size: int,
max_events_per_unit: Union[None, int] = None,
snippet_len=(50, 80),
):
import pynwb
from labbox_ephys import (SubsampledSortingExtractor,
find_unit_neighborhoods, find_unit_peak_channels,
get_unit_waveforms)
if start_frame is not None:
recording = se.SubRecordingExtractor(parent_recording=recording,
start_frame=start_frame,
end_frame=end_frame)
sorting = se.SubSortingExtractor(parent_sorting=sorting,
start_frame=start_frame,
end_frame=end_frame)
unit_ids = sorting.get_unit_ids()
samplerate = recording.get_sampling_frequency()
# Use this optimized function rather than spiketoolkit's version
# for efficiency with long recordings and/or many channels, units or spikes
# we should submit this to the spiketoolkit project as a PR
print('Subsampling sorting')
if max_events_per_unit is not None:
sorting_subsampled = SubsampledSortingExtractor(
parent_sorting=sorting,
max_events_per_unit=max_events_per_unit,
method='random')
else:
sorting_subsampled = sorting
print('Finding unit peak channels')
peak_channels_by_unit = find_unit_peak_channels(recording=recording,
sorting=sorting,
unit_ids=unit_ids)
print('Finding unit neighborhoods')
channel_ids_by_unit = find_unit_neighborhoods(
recording=recording,
peak_channels_by_unit=peak_channels_by_unit,
max_neighborhood_size=max_neighborhood_size)
print(f'Getting unit waveforms for {len(unit_ids)} units')
unit_waveforms = get_unit_waveforms(
recording=recording,
sorting=sorting_subsampled,
unit_ids=unit_ids,
channel_ids_by_unit=channel_ids_by_unit,
snippet_len=snippet_len)
# unit_waveforms = st.postprocessing.get_unit_waveforms(
# recording=recording,
# sorting=sorting,
# unit_ids=unit_ids,
# ms_before=1,
# ms_after=1.5,
# max_spikes_per_unit=500
# )
with pynwb.NWBHDF5IO(path=nwb_file_path, mode='a') as io:
nwbf = io.read()
nwbf.add_scratch(name=f'{nwb_object_prefix}_unit_ids',
data=np.array(unit_ids).astype(np.int32),
notes='sorted waveform unit ids')
nwbf.add_scratch(name=f'{nwb_object_prefix}_sampling_frequency',
data=np.array([samplerate]).astype(np.float64),
notes='sorted waveform sampling frequency')
nwbf.add_scratch(name=f'{nwb_object_prefix}_channel_ids',
data=np.array(recording.get_channel_ids()),
notes='sorted waveform channel ids')
nwbf.add_scratch(name=f'{nwb_object_prefix}_num_frames',
data=np.array([recording.get_num_frames()
]).astype(np.int32),
notes='sorted waveform number of frames')
channel_locations = recording.get_channel_locations()
nwbf.add_scratch(name=f'{nwb_object_prefix}_channel_locations',
data=np.array(channel_locations),
notes='sorted waveform channel locations')
for ii, unit_id in enumerate(unit_ids):
x = sorting.get_unit_spike_train(unit_id=unit_id)
nwbf.add_scratch(
name=f'{nwb_object_prefix}_unit_{unit_id}_spike_trains',
data=np.array(x).astype(np.float64),
notes=f'sorted spike trains for unit {unit_id}')
nwbf.add_scratch(
name=f'{nwb_object_prefix}_unit_{unit_id}_waveforms',
data=unit_waveforms[ii].astype(np.float32),
notes=f'sorted waveforms for unit {unit_id}')
nwbf.add_scratch(
name=f'{nwb_object_prefix}_unit_{unit_id}_channel_ids',
data=np.array(channel_ids_by_unit[int(unit_id)]).astype(int),
notes=f'sorted channel ids for unit {unit_id}')
nwbf.add_scratch(
name=f'{nwb_object_prefix}_unit_{unit_id}_sub_spike_train',
data=np.array(
sorting_subsampled.get_unit_spike_train(
unit_id=unit_id)).astype(np.float64),
notes=f'sorted subsampled spike train for unit {unit_id}')
io.write(nwbf)
def test_example(self):
self.assertEqual(self.RX.get_channel_ids(),
self.example_info['channel_ids'])
self.assertEqual(self.RX.get_num_channels(),
self.example_info['num_channels'])
self.assertEqual(self.RX.get_num_frames(),
self.example_info['num_frames'])
self.assertEqual(self.RX.get_sampling_frequency(),
self.example_info['sampling_frequency'])
self.assertEqual(self.SX.get_unit_ids(), self.example_info['unit_ids'])
self.assertEqual(
self.RX.get_channel_locations(0)[0][0],
self.example_info['channel_prop'][0])
self.assertEqual(
self.RX.get_channel_locations(0)[0][1],
self.example_info['channel_prop'][1])
self.assertTrue(
np.array_equal(self.RX.get_ttl_events()[0],
self.example_info['ttls']))
self.assertEqual(
self.SX.get_unit_property(unit_id=1, property_name='stability'),
self.example_info['unit_prop'])
self.assertTrue(
np.array_equal(self.SX.get_unit_spike_train(1),
self.example_info['train1']))
self.assertTrue(
issubclass(self.SX.get_unit_spike_train(1).dtype.type, np.integer))
self.assertTrue(self.RX.get_shared_channel_property_names(),
['group', 'location', 'shared_channel_prop'])
self.assertTrue(self.RX.get_channel_property_names(0),
['group', 'location', 'shared_channel_prop'])
self.assertTrue(self.SX2.get_shared_unit_property_names(),
['shared_unit_prop'])
self.assertTrue(self.SX2.get_unit_property_names(4),
['shared_unit_prop', 'stability'])
self.assertTrue(self.SX2.get_shared_unit_spike_feature_names(),
['shared_unit_feature'])
self.assertTrue(self.SX2.get_unit_spike_feature_names(3),
['shared_channel_prop', 'widths'])
self.assertTrue(
np.array_equal(self.SX3.get_unit_spike_features(0, 'dummy'),
self.example_info['features3']))
self.assertTrue(
np.array_equal(
self.SX3.get_unit_spike_features(0, 'dummy', start_frame=4),
self.example_info['features3'][1:]))
self.assertTrue(
np.array_equal(
self.SX3.get_unit_spike_features(0, 'dummy', end_frame=4),
self.example_info['features3'][:1]))
self.assertTrue(
np.array_equal(
self.SX3.get_unit_spike_features(0,
'dummy',
start_frame=20,
end_frame=46),
self.example_info['features3'][1:6]))
self.assertTrue('dummy2' in self.SX3.get_unit_spike_feature_names(0))
self.assertTrue(
'dummy2_idxs' in self.SX3.get_unit_spike_feature_names(0))
sub_extractor_full = se.SubSortingExtractor(self.SX3)
sub_extractor_partial = se.SubSortingExtractor(self.SX3,
start_frame=20,
end_frame=46)
self.assertTrue(
np.array_equal(
sub_extractor_full.get_unit_spike_features(0, 'dummy'),
self.SX3.get_unit_spike_features(0, 'dummy')))
self.assertTrue(
np.array_equal(
sub_extractor_partial.get_unit_spike_features(0, 'dummy'),
self.SX3.get_unit_spike_features(0,
'dummy',
start_frame=20,
end_frame=46)))
self.assertEqual(tuple(self.RX.get_epoch_info("epoch1").values()),
self.example_info['epochs_info'][0])
self.assertEqual(tuple(self.RX.get_epoch_info("epoch2").values()),
self.example_info['epochs_info'][1])
self.assertEqual(tuple(self.SX.get_epoch_info("epoch1").values()),
self.example_info['epochs_info'][0])
self.assertEqual(tuple(self.SX.get_epoch_info("epoch2").values()),
self.example_info['epochs_info'][1])
self.assertEqual(tuple(self.RX.get_epoch_info("epoch1").values()),
tuple(self.RX2.get_epoch_info("epoch1").values()))
self.assertEqual(tuple(self.RX.get_epoch_info("epoch2").values()),
tuple(self.RX2.get_epoch_info("epoch2").values()))
self.assertEqual(tuple(self.SX.get_epoch_info("epoch1").values()),
tuple(self.SX2.get_epoch_info("epoch1").values()))
self.assertEqual(tuple(self.SX.get_epoch_info("epoch2").values()),
tuple(self.SX2.get_epoch_info("epoch2").values()))
self.assertTrue(
np.array_equal(
self.RX2.frame_to_time(np.arange(self.RX2.get_num_frames())),
self.example_info['times']))
self.assertTrue(
np.array_equal(
self.SX2.get_unit_spike_train(3) /
self.SX2.get_sampling_frequency() + 5,
self.SX2.frame_to_time(self.SX2.get_unit_spike_train(3))))
self.RX3.clear_channel_locations()
self.assertTrue(
'location' not in self.RX3.get_shared_channel_property_names())
self.RX3.set_channel_locations(self.example_info['geom'])
self.assertTrue(
np.array_equal(self.RX3.get_channel_locations(),
self.RX2.get_channel_locations()))
self.RX3.set_channel_groups(groups=[1], channel_ids=[1])
self.assertEqual(self.RX3.get_channel_groups(channel_ids=[1]), 1)
self.RX3.clear_channel_groups()
self.assertEqual(self.RX3.get_channel_groups(channel_ids=[1]), 0)
self.RX3.set_channel_locations(locations=[[np.nan, np.nan, np.nan]],
channel_ids=[1])
self.assertTrue(
'location' not in self.RX3.get_shared_channel_property_names())
self.RX3.set_channel_locations(locations=[[0, 0, 0]], channel_ids=[1])
self.assertTrue(
'location' in self.RX3.get_shared_channel_property_names())
check_recording_return_types(self.RX)
def run_conversion(self,
nwbfile: NWBFile,
metadata: dict,
stub_test: bool = False,
write_ecephys_metadata: bool = False):
if 'UnitProperties' not in metadata:
metadata['UnitProperties'] = []
if write_ecephys_metadata and 'Ecephys' in metadata:
n_channels = max(
[len(x['data']) for x in metadata['Ecephys']['Electrodes']])
recording = se.NumpyRecordingExtractor(timeseries=np.array(
range(n_channels)),
sampling_frequency=1)
se.NwbRecordingExtractor.add_devices(recording=recording,
nwbfile=nwbfile,
metadata=metadata)
se.NwbRecordingExtractor.add_electrode_groups(recording=recording,
nwbfile=nwbfile,
metadata=metadata)
se.NwbRecordingExtractor.add_electrodes(recording=recording,
nwbfile=nwbfile,
metadata=metadata)
property_descriptions = dict()
if stub_test:
max_min_spike_time = max([
min(x) for y in self.sorting_extractor.get_unit_ids()
for x in [self.sorting_extractor.get_unit_spike_train(y)]
if any(x)
])
stub_sorting_extractor = se.SubSortingExtractor(
self.sorting_extractor,
unit_ids=self.sorting_extractor.get_unit_ids(),
start_frame=0,
end_frame=1.1 * max_min_spike_time)
sorting_extractor = stub_sorting_extractor
else:
sorting_extractor = self.sorting_extractor
for metadata_column in metadata['UnitProperties']:
assert len(metadata_column['data']) == len(sorting_extractor.get_unit_ids()), \
f"The metadata_column '{metadata_column['name']}' data must have the same dimension as the sorting IDs!"
property_descriptions.update(
{metadata_column['name']: metadata_column['description']})
for unit_idx, unit_id in enumerate(
sorting_extractor.get_unit_ids()):
if metadata_column['name'] == 'electrode_group':
if nwbfile.electrode_groups:
data = nwbfile.electrode_groups[metadata_column['data']
[unit_idx]]
sorting_extractor.set_unit_property(
unit_id, metadata_column['name'], data)
else:
data = metadata_column['data'][unit_idx]
sorting_extractor.set_unit_property(
unit_id, metadata_column['name'], data)
se.NwbSortingExtractor.write_sorting(
sorting_extractor,
property_descriptions=property_descriptions,
nwbfile=nwbfile)
def prepare_snippets_h5_from_extractors(recording: se.RecordingExtractor,
sorting: se.SortingExtractor,
output_h5_path: str,
start_frame,
end_frame,
max_neighborhood_size: int,
max_events_per_unit: Union[None,
int] = None,
snippet_len=(50, 80)):
import h5py
from labbox_ephys import (SubsampledSortingExtractor,
find_unit_neighborhoods, find_unit_peak_channels,
get_unit_waveforms)
if start_frame is not None:
recording = se.SubRecordingExtractor(parent_recording=recording,
start_frame=start_frame,
end_frame=end_frame)
sorting = se.SubSortingExtractor(parent_sorting=sorting,
start_frame=start_frame,
end_frame=end_frame)
unit_ids = sorting.get_unit_ids()
samplerate = recording.get_sampling_frequency()
# Use this optimized function rather than spiketoolkit's version
# for efficiency with long recordings and/or many channels, units or spikes
# we should submit this to the spiketoolkit project as a PR
print('Subsampling sorting')
if max_events_per_unit is not None:
sorting_subsampled = SubsampledSortingExtractor(
parent_sorting=sorting,
max_events_per_unit=max_events_per_unit,
method='random')
else:
sorting_subsampled = sorting
print('Finding unit peak channels')
peak_channels_by_unit = find_unit_peak_channels(recording=recording,
sorting=sorting,
unit_ids=unit_ids)
print('Finding unit neighborhoods')
channel_ids_by_unit = find_unit_neighborhoods(
recording=recording,
peak_channels_by_unit=peak_channels_by_unit,
max_neighborhood_size=max_neighborhood_size)
print(f'Getting unit waveforms for {len(unit_ids)} units')
unit_waveforms = get_unit_waveforms(
recording=recording,
sorting=sorting_subsampled,
unit_ids=unit_ids,
channel_ids_by_unit=channel_ids_by_unit,
snippet_len=snippet_len)
# unit_waveforms = st.postprocessing.get_unit_waveforms(
# recording=recording,
# sorting=sorting,
# unit_ids=unit_ids,
# ms_before=1,
# ms_after=1.5,
# max_spikes_per_unit=500
# )
save_path = output_h5_path
with h5py.File(save_path, 'w') as f:
f.create_dataset('unit_ids', data=np.array(unit_ids).astype(np.int32))
f.create_dataset('sampling_frequency',
data=np.array([samplerate]).astype(np.float64))
f.create_dataset('channel_ids',
data=np.array(recording.get_channel_ids()))
f.create_dataset('num_frames',
data=np.array([recording.get_num_frames()
]).astype(np.int32))
channel_locations = recording.get_channel_locations()
f.create_dataset(f'channel_locations',
data=np.array(channel_locations))
for ii, unit_id in enumerate(unit_ids):
x = sorting.get_unit_spike_train(unit_id=unit_id)
f.create_dataset(f'unit_spike_trains/{unit_id}',
data=np.array(x).astype(np.float64))
f.create_dataset(f'unit_waveforms/{unit_id}/waveforms',
data=unit_waveforms[ii].astype(np.float32))
f.create_dataset(
f'unit_waveforms/{unit_id}/channel_ids',
data=np.array(channel_ids_by_unit[int(unit_id)]).astype(int))
f.create_dataset(f'unit_waveforms/{unit_id}/spike_train',
data=np.array(
sorting_subsampled.get_unit_spike_train(
unit_id=unit_id)).astype(np.float64))
