def _createStimulusSeries(self, electrodes):
"""
Return a list of pynwb stimulus series objects created from the ABF file contents.
"""
series = []
counter = 0
for file_index, abf in enumerate(self.abfs):
stimulus_description = ABFConverter._getProtocolName(abf.protocol)
scale_factor = self._getScaleFactor(abf, stimulus_description)
for sweep in range(abf.sweepCount):
cycle_id = createCycleID([file_index, sweep], total=self.totalSeriesCount)
for channel in range(abf.channelCount):
if not abf._dacSection.nWaveformEnable[channel]:
continue
abf.setSweep(sweep, channel=channel, absoluteTime=True)
name, counter = createSeriesName("index", counter, total=self.totalSeriesCount)
data = convertDataset(abf.sweepC * scale_factor, self.compression)
conversion, unit = parseUnit(abf.sweepUnitsC)
electrode = electrodes[channel]
gain = abf._dacSection.fDACScaleFactor[channel]
resolution = np.nan
starting_time = self._calculateStartingTime(abf)
rate = float(abf.dataRate)
description = json.dumps({"cycle_id": cycle_id,
"protocol": abf.protocol,
"protocolPath": abf.protocolPath,
"file": os.path.basename(abf.abfFilePath),
"name": abf.dacNames[channel],
"number": abf._dacSection.nDACNum[channel]},
sort_keys=True, indent=4)
seriesClass = getStimulusSeriesClass(self._getClampMode(abf, channel))
stimulus = seriesClass(name=name,
data=data,
sweep_number=np.uint64(cycle_id),
unit=unit,
electrode=electrode,
gain=gain,
resolution=resolution,
conversion=conversion,
starting_time=starting_time,
rate=rate,
description=description,
stimulus_description=stimulus_description)
series.append(stimulus)
return series
def _createAcquiredSeries(self, electrodes):
"""
Return a list of pynwb acquisition series objects created from the ABF file contents.
"""
series = []
counter = 0
for file_index, abf in enumerate(self.abfs):
stimulus_description = ABFConverter._getProtocolName(abf.protocol)
_, jsonSource = self._findSettingsEntry(abf)
log.debug(f"Using JSON settings for {jsonSource}.")
for sweep in range(abf.sweepCount):
cycle_id = createCycleID([file_index, sweep],
total=self.totalSeriesCount)
for channel in range(abf.channelCount):
adcName = abf.adcNames[channel]
if not self.outputFeedbackChannel:
if adcName in ABFConverter.adcNamesWithRealData:
pass
else:
# feedback data, skip
continue
abf.setSweep(sweep, channel=channel, absoluteTime=True)
name, counter = createSeriesName(
"index", counter, total=self.totalSeriesCount)
data = convertDataset(abf.sweepY, self.compression)
conversion, unit = parseUnit(abf.sweepUnitsY)
electrode = electrodes[channel]
gain = abf._adcSection.fADCProgrammableGain[channel]
resolution = np.nan
starting_time = self._calculateStartingTime(abf)
rate = float(abf.dataRate)
description = json.dumps(
{
"cycle_id": cycle_id,
"protocol": abf.protocol,
"protocolPath": abf.protocolPath,
"file": os.path.basename(abf.abfFilePath),
"name": adcName,
"number": abf._adcSection.nADCNum[channel]
},
sort_keys=True,
indent=4)
clampMode = self._getClampMode(abf, channel)
settings = self._getAmplifierSettings(
abf, clampMode, adcName)
seriesClass = getAcquiredSeriesClass(clampMode)
if clampMode == V_CLAMP_MODE:
acquistion_data = seriesClass(
name=name,
data=data,
sweep_number=np.uint64(cycle_id),
unit=unit,
electrode=electrode,
gain=gain,
resolution=resolution,
conversion=conversion,
starting_time=starting_time,
rate=rate,
description=description,
capacitance_slow=settings["capacitance_slow"],
capacitance_fast=settings["capacitance_fast"],
resistance_comp_correction=settings[
"resistance_comp_correction"],
resistance_comp_bandwidth=settings[
"resistance_comp_bandwidth"],
resistance_comp_prediction=settings[
"resistance_comp_prediction"],
stimulus_description=stimulus_description,
whole_cell_capacitance_comp=settings[
"whole_cell_capacitance_comp"], # noqa: E501
whole_cell_series_resistance_comp=settings[
"whole_cell_series_resistance_comp"]
) # noqa: E501
elif clampMode in (I_CLAMP_MODE, I0_CLAMP_MODE):
acquistion_data = seriesClass(
name=name,
data=data,
sweep_number=np.uint64(cycle_id),
unit=unit,
electrode=electrode,
gain=gain,
resolution=resolution,
conversion=conversion,
starting_time=starting_time,
rate=rate,
description=description,
bias_current=settings["bias_current"],
bridge_balance=settings["bridge_balance"],
stimulus_description=stimulus_description,
capacitance_compensation=settings[
"capacitance_compensation"])
else:
raise ValueError(
f"Unsupported clamp mode {clampMode}.")
series.append(acquistion_data)
return series
def _createAcquiredSeries(self, electrodes, groups):
"""
Return a list of pynwb acquisition series objects created from the DAT file contents.
Parameters
----------
electrodes: list of pynwb.IntracellularElectrode
groups: list of GroupRecord
Returns
-------
series: list of TimeSeries
"""
nwbSeries = []
counter = 0
for group in groups:
for series in group:
for sweep in series:
cycle_id = createCycleID([
group.GroupCount, series.SeriesCount, sweep.SweepCount
],
total=self.totalSeriesCount)
for trace in sweep:
name, counter = createSeriesName(
"index", counter, total=self.totalSeriesCount)
data = convertDataset(self.bundle.data[trace],
self.compression)
ampState = DatConverter._getAmplifierState(
self.bundle, series, trace)
if ampState:
gain = ampState.Gain
else:
gain = np.nan
conversion, unit = parseUnit(trace.YUnit)
electrodeKey = DatConverter._generateElectrodeKey(
trace)
electrode = electrodes[
self.electrodeDict[electrodeKey]]
resolution = np.nan
starting_time = self._getStartingTime(sweep)
rate = 1.0 / trace.XInterval
description = json.dumps(
{
"cycle_id": cycle_id,
"file": os.path.basename(
self.bundle.file_name),
"group_label": group.Label,
"series_label": series.Label,
"sweep_label": sweep.Label
},
sort_keys=True,
indent=4)
clampMode = DatConverter._getClampMode(
ampState, cycle_id, trace)
seriesClass = getAcquiredSeriesClass(clampMode)
stimulus_description = series.Label
if clampMode == V_CLAMP_MODE:
if ampState and ampState.RsOn:
resistance_comp_correction = ampState.RsFraction
whole_cell_series_resistance_comp = ampState.RsValue
else:
resistance_comp_correction = np.nan
whole_cell_series_resistance_comp = np.nan
whole_cell_capacitance_comp = np.nan
resistance_comp_bandwidth = np.nan
resistance_comp_prediction = np.nan
if ampState and (ampState.AutoCFast or
(ampState.CanCCFast
and ampState.CCCFastOn)):
# stored in two doubles for enhanced precision
capacitance_fast = ampState.CFastAmp1 + ampState.CFastAmp2
else:
capacitance_fast = np.nan
if ampState and (ampState.AutoCSlow or
(ampState.CanCCFast
and not ampState.CCCFastOn)):
capacitance_slow = ampState.CSlow
else:
capacitance_slow = np.nan
acquistion_data = seriesClass(
name=name,
data=data,
sweep_number=np.uint64(cycle_id),
unit=unit,
electrode=electrode,
gain=gain,
resolution=resolution,
conversion=conversion,
starting_time=starting_time,
rate=rate,
description=description,
capacitance_slow=capacitance_slow,
capacitance_fast=capacitance_fast,
resistance_comp_correction=
resistance_comp_correction,
resistance_comp_bandwidth=
resistance_comp_bandwidth,
resistance_comp_prediction=
resistance_comp_prediction,
whole_cell_capacitance_comp=
whole_cell_capacitance_comp,
stimulus_description=stimulus_description,
whole_cell_series_resistance_comp=
whole_cell_series_resistance_comp
) # noqa: E501
elif clampMode == I_CLAMP_MODE:
bias_current = trace.Holding
if ampState and (ampState.AutoCFast or
(ampState.CanCCFast
and ampState.CCCFastOn)):
# stored in two doubles for enhanced precision
capacitance_compensation = ampState.CFastAmp1 + ampState.CFastAmp2
elif ampState and (ampState.AutoCSlow or
(ampState.CanCCFast
and not ampState.CCCFastOn)):
capacitance_compensation = ampState.CSlow
else:
capacitance_compensation = np.nan
if ampState:
bridge_balance = 1.0 / ampState.GSeries
else:
bridge_balance = np.nan
acquistion_data = seriesClass(
name=name,
data=data,
sweep_number=np.uint64(cycle_id),
unit=unit,
electrode=electrode,
gain=gain,
resolution=resolution,
conversion=conversion,
starting_time=starting_time,
rate=rate,
description=description,
bias_current=bias_current,
bridge_balance=bridge_balance,
stimulus_description=stimulus_description,
capacitance_compensation=
capacitance_compensation)
else:
raise ValueError(
f"Unsupported clamp mode {clampMode}.")
nwbSeries.append(acquistion_data)
return nwbSeries