def CalibrateValue(data, caldict_entry):
'''Apply gain / offset units from G3 cal file to register'''
uvalue = UnitValue(caldict_entry)
g3type = type(data)
# make a copy
if np.size(data) == 1:
data = data.value
data2 = np.array(data, dtype='float64')
thisdtype = data2.dtype
# calibrate units
data2 += np.array(caldict_entry['Offset'], dtype=thisdtype)
data2 *= np.array(uvalue / caldict_entry['ReciprocalFactor'],
dtype=thisdtype)
if not data2.shape:
data2 = data2.tolist()
# if a register has units, it can't be an int anymore. well, actually,
# it can't be an int if we're adding floats to it or multiplying it by
# floats either, so convert everything that has an entry in the cal file
# to float/double.
if g3type == core.G3VectorInt:
return core.G3VectorDouble(data2)
elif g3type == core.G3MapInt:
return core.G3MapDouble(data2)
elif g3type == core.G3Int:
return core.G3Double(data2)
else:
return g3type(data2)
def to_g3_type(val):
if val is None:
return c3g.G3String("NONE")
elif isinstance(val, (bool)):
return c3g.G3Bool(val)
elif isinstance(val, (int)):
return c3g.G3Int(val)
elif isinstance(val, (float)):
return c3g.G3Double(val)
else:
return c3g.G3String(val)
def CalibrateFrame(f, calibration_file=None):
'''Apply gain / offset / units from G3 cal file'''
if f.type != core.G3FrameType.GcpSlow:
return
try:
if f['Calibrated'] == True:
print('Already calibrated!\n')
return
except KeyError:
f['Calibrated'] = True
cf = CalFile.CalFileReader()
cd = cf.readCalFile(calibration_file)
for board in f.keys():
if board == 'Calibrated':
continue
cboard = copy.deepcopy(f[board])
for rmap in cboard.keys():
for reg in cboard[rmap].keys():
try:
rcd = cd[board][rmap][reg]
except KeyError:
continue
rsize = numpy.size(cboard[rmap][reg])
if rsize > 1:
rshape = numpy.shape(cboard[rmap][reg])
if len(rshape) > 1:
for i in range(rshape[0]):
try:
rcdi = rcd[i]
except KeyError:
rcdi = rcd
uvalue = UnitValue(rcdi)
datatemp = numpy.asarray(cboard[rmap][reg][i])
datatemp2 = datatemp.copy()
# if a register has units, it can't be an
# int anymore.
# well, actually, it can't be an int if
# we're adding floats to it or multiplying
# it by floats either, so convert
# everything that has an entry in the cal
# file to float/double.
datatemp2 = numpy.asarray(datatemp2,
dtype='float64')
thisdtype = datatemp2.dtype
datatemp2 += \
numpy.array(rcdi['Offset'],dtype=thisdtype)
datatemp2 *= numpy.array(uvalue /
rcdi['ReciprocalFactor'],
dtype=thisdtype)
if type(cboard[rmap][reg][i]) \
is core.G3VectorInt:
regitemp = core.G3VectorDouble(datatemp2)
elif type(cboard[rmap][reg][i]) \
is core.G3MapInt:
regitemp = core.G3MapDouble(datatemp2)
elif type(cboard[rmap][reg][i]) \
is core.G3Int:
regitemp = core.G3Double(datatemp2)
else:
regitemp = \
(type(cboard[rmap][reg][i]))(datatemp2)
cboard[rmap][reg][i] = regitemp
else:
try:
rcdi = rcd[0]
except KeyError:
rcdi = rcd
uvalue = UnitValue(rcdi)
datatemp = numpy.asarray(cboard[rmap][reg])
datatemp2 = datatemp.copy()
# if a register has units, it can't be an
# int anymore. well, actually (see above)...
datatemp2 = numpy.asarray(datatemp2, dtype='float64')
thisdtype = datatemp2.dtype
datatemp2 += \
numpy.array(rcdi['Offset'],dtype=thisdtype)
datatemp2 *= numpy.array(uvalue /
rcdi['ReciprocalFactor'],
dtype=thisdtype)
if type(cboard[rmap][reg]) \
is core.G3VectorInt:
regtemp = core.G3VectorDouble(datatemp2)
elif type(cboard[rmap][reg]) \
is core.G3MapInt:
regtemp = core.G3MapDouble(datatemp2)
elif type(cboard[rmap][reg]) \
is core.G3Int:
regtemp = core.G3Double(datatemp2)
else:
regtemp = \
(type(cboard[rmap][reg]))(datatemp2)
cboard[rmap][reg] = regtemp
else:
try:
rcdi = rcd[0]
except KeyError:
rcdi = rcd
uvalue = UnitValue(rcdi)
datatemp = cboard[rmap][reg].value
datatemp2 = datatemp
# if a register has units, it can't be an
# int anymore. well, actually (see above)...
datatemp2 = numpy.float(datatemp2)
datatemp2 = datatemp2 + rcdi['Offset']
datatemp2 *= uvalue / rcdi['ReciprocalFactor']
if type(cboard[rmap][reg]) \
is core.G3VectorInt:
regtemp = core.G3VectorDouble(datatemp2)
elif type(cboard[rmap][reg]) \
is core.G3MapInt:
regtemp = core.G3MapDouble(datatemp2)
elif type(cboard[rmap][reg]) \
is core.G3Int:
regtemp = core.G3Double(datatemp2)
else:
regtemp = \
(type(cboard[rmap][reg]))(datatemp2)
cboard[rmap][reg] = regtemp
del f[board]
f[board] = cboard
def _process_irig_packet(self, parse_index):
# Unpack the IRIG data
start_ind = parse_index
end_ind = start_ind + self._irig_packet_size
unpacked_data = np.array(
struct.unpack(self._irig_unpack_str,
self._data[start_ind:end_ind]))
# Unpack the IRIG header
ind1 = 0
ind2 = ind1 + self._irig_header_units
header = unpacked_data[ind1:ind2][0]
if header != self._irig_header:
raise RuntimeError("%s: IRIG header error: 0x%x" %
(self._error_msg, header))
# Unpack the IRIG clock
ind1 = ind2
ind2 = ind1 + self._irig_clock_units
clock = unpacked_data[ind1:ind2][0]
# Unpack the IRIG clock overflows
ind1 = ind2
ind2 = ind1 + self._irig_overflow_units
overflow = unpacked_data[ind1:ind2][0]
# Adjust the IRIG clock for overflows
clock_adjusted = clock + (overflow << self._num_overflow_bits)
# Unpack the IRIG info
ind1 = ind2
ind2 = ind1 + self._irig_data_length
info = unpacked_data[ind1:ind2]
# Unpack the IRIG synch pulses
ind1 = ind2
ind2 = ind1 + self._irig_data_length
synch = unpacked_data[ind1:ind2]
# Unpack the IRIG synch pulse overflows
ind1 = ind2
ind2 = ind1 + self._irig_data_length
synch_overflow = unpacked_data[ind1:ind2]
synch_adjusted = (synch + (synch_overflow << self._num_overflow_bits))
# Convert raw IRIG bits to a meaningful time
year, yday, hour, mins, secs = self._irig_time_conversion(info)
# Obtain the time using the G3 object
irig_time = core.G3Time(y=int(year),
d=int(yday),
h=int(hour),
m=int(mins),
s=int(secs),
ss=0) # no subseconds
# Store the time as a G3Int
time_s = core.G3Double(
float(irig_time.time) / float(core.G3Units.seconds))
# time_s = core.G3UInt(irig_time.time)
# Store clock value as a G3UInt
clock_adjusted = core.G3UInt(int(clock_adjusted))
# Store the synchronization pulse clock values as a
# synch_adjusted = core.G3VectorUInt(np.array(synch_adjusted))
# Create and return a G3 timepoint frame with clock and irig data
irig_frame = core.G3Frame(core.G3FrameType.Timepoint)
irig_frame['chwp_irig_time'] = time_s
irig_frame['chwp_irig_clock'] = clock_adjusted
# irig_frame['chwp_irig_synch'] = synch_adjusted
return irig_frame