class Spike(BlockBasedPermissionsMixin, BaseInfo, DataObject):
"""
NEO Spike @ G-Node.
"""
# NEO attributes
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
time = models.FloatField()
time__unit = TimeUnitField('time__unit',
default=DEFAULTS['default_time_unit'])
sampling_rate = models.FloatField('sampling_rate', blank=True, null=True)
sampling_rate__unit = SamplingUnitField('sampling_rate__unit',
blank=True,
null=True)
left_sweep = models.FloatField('left_sweep', blank=True, null=True)
left_sweep__unit = TimeUnitField('left_sweep__unit', blank=True, null=True)
# NEO data arrays
waveform = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
waveform__unit = SignalUnitField('waveform__unit',
default=DEFAULTS['default_data_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
unit = VersionedForeignKey(Unit, blank=True, null=True)
def save(self, *args, **kwargs):
self.block = self.segment.block
super(Spike, self).save(*args, **kwargs)
class EpochArray(BlockBasedPermissionsMixin, BaseInfo, DataObject):
"""
NEO EpochArray @ G-Node.
"""
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
# NEO data arrays
labels = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
times = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
times__unit = TimeUnitField('times__unit',
default=DEFAULTS['default_time_unit'])
durations = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
durations__unit = TimeUnitField('durations__unit',
default=DEFAULTS['default_time_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
def save(self, *args, **kwargs):
self.block = self.segment.block
super(EpochArray, self).save(*args, **kwargs)
class AnalogSignal(BlockBasedPermissionsMixin, BaseInfo, DataObject):
"""
NEO AnalogSignal @ G-Node.
"""
# NEO attributes
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
sampling_rate = models.FloatField('sampling_rate')
sampling_rate__unit = SamplingUnitField(
'sampling_rate__unit', default=DEFAULTS['default_samp_unit'])
t_start = models.FloatField('t_start')
t_start__unit = TimeUnitField('t_start__unit',
default=DEFAULTS['default_time_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
recordingchannel = VersionedForeignKey(RecordingChannel,
blank=True,
null=True)
# NEO data arrays
signal = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
signal__unit = SignalUnitField('signal__unit',
default=DEFAULTS['default_data_unit'])
def save(self, *args, **kwargs):
self.block = self.segment.block
super(AnalogSignal, self).save(*args, **kwargs)
class IrregularlySampledSignal(BlockBasedPermissionsMixin, BaseInfo,
DataObject):
"""
NEO IrregularlySampledSignal @ G-Node.
"""
# NEO attributes
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
t_start = models.FloatField('t_start')
t_start__unit = TimeUnitField('t_start__unit',
default=DEFAULTS['default_time_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
recordingchannel = VersionedForeignKey(RecordingChannel,
blank=True,
null=True)
# NEO data arrays
signal = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
signal__unit = SignalUnitField('signal__unit',
default=DEFAULTS['default_data_unit'])
times = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
times__unit = TimeUnitField('times__unit',
default=DEFAULTS['default_time_unit'])
def full_clean(self, *args, **kwargs):
""" Add some validation to keep 'signal' and 'times' dimensions
consistent. Currently switched off. """
super(IrregularlySampledSignal, self).full_clean(*args, **kwargs)
def save(self, *args, **kwargs):
self.block = self.segment.block
super(IrregularlySampledSignal, self).save(*args, **kwargs)
class Epoch(BlockBasedPermissionsMixin, BaseInfo):
"""
NEO Epoch @ G-Node.
"""
# NEO attributes
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
label = models.CharField('label', max_length=DEFAULTS['label_max_length'])
time = models.FloatField('time')
time__unit = TimeUnitField('time__unit',
default=DEFAULTS['default_time_unit'])
duration = models.FloatField('duration')
duration__unit = TimeUnitField('duration__unit',
default=DEFAULTS['default_time_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
def save(self, *args, **kwargs):
self.block = self.segment.block
super(Epoch, self).save(*args, **kwargs)
class SpikeTrain(BlockBasedPermissionsMixin, BaseInfo, DataObject):
"""
NEO SpikeTrain @ G-Node.
"""
# NEO attributes
name = models.CharField(max_length=DEFAULTS['name_max_length'],
blank=True,
null=True)
t_start = models.FloatField('t_start')
t_start__unit = TimeUnitField('t_start__unit',
default=DEFAULTS['default_time_unit'])
t_stop = models.FloatField('t_stop')
t_stop__unit = TimeUnitField('t_stop__unit',
default=DEFAULTS['default_time_unit'])
# NEO relationships
segment = VersionedForeignKey(Segment)
unit = VersionedForeignKey(Unit, blank=True, null=True)
# NEO data arrays
times = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
times__unit = TimeUnitField('times__unit',
default=DEFAULTS['default_time_unit'])
waveforms = models.FileField(storage=fs,
upload_to=make_upload_path,
blank=True,
null=True)
waveforms__unit = SignalUnitField('waveforms__unit', blank=True, null=True)
# rewrite the size property when waveforms are supported
def compute_size(self):
return self.times.size
def save(self, *args, **kwargs):
self.block = self.segment.block
super(SpikeTrain, self).save(*args, **kwargs)