def open(self, filename=None, *args):
if filename is None or isinstance(filename, (int, bool)):
# catch Qt signal-slot connection which may
# sends boolean from QAction signal
filename = QFileDialog.getOpenFileNames(None, _('Open file'), '.')
if filename is None:
return
else:
filename = [unicode(fname) for fname in filename]
self.open(filename)
return
elif not isinstance(filename, (list, tuple)):
filename = [
filename,
]
if len(args) != 0:
filename.extend(args)
for fname in filename:
if re.match('.*flat$', fname):
self.ffp.open(fname)
measurements = self.ffp.get_measurements()
elif re.match('.*\.sxm$', fname):
self.nfp.open(fname)
measurements = self.nfp.get_measurements()
else:
measurements = []
print "Unknown file type"
for i in range(len(measurements)):
self.register_measurement(measurements.pop())
def open(self, filename=None, *args):
if filename is None or isinstance(filename, (int, bool)):
# catch Qt signal-slot connection which may
# sends boolean from QAction signal
filename = QFileDialog.getOpenFileNames(None,
_('Open file'), '.')
if filename is None:
return
else:
filename = [unicode(fname) for fname in filename]
self.open(filename)
return
elif not isinstance(filename, (list,tuple)):
filename = [filename,]
if len(args) != 0:
filename.extend(args)
for fname in filename:
if re.match('.*flat$', fname):
self.ffp.open(fname)
measurements = self.ffp.get_measurements()
elif re.match('.*\.sxm$', fname):
self.nfp.open(fname)
measurements = self.nfp.get_measurements()
else:
measurements = []
print "Unknown file type"
for i in range(len(measurements)):
self.register_measurement(measurements.pop())
def load_VNASeparateFieldsMeasurement(self):
"""
Load a VNA measurement from a TDMS file with two magnetic field channels
(field_before, field_after). Apply certain standard operations and
plot data. Allow to select used channels.
"""
fnames = QFileDialog.getOpenFileNames(
caption="Open Tdms file(s)",
filter=u"TDMS (*.tdms);;All files (*.*)")
for fname in fnames:
tdms_file = TdmsFile(fname)
channel_labels = [
"Field_before", "Field_after", "Frequency", "Re(signal)",
"Im(signal)"
]
paths, accepted = TdmsChannelSelectDialog.get_group_channels(
tdms_file=tdms_file, channel_labels=channel_labels)
m = VNASeparateFieldsMeasurement(fname=fname,
tdms_file=tdms_file,
path_field_before=paths[0],
path_field_after=paths[1],
path_frequency=paths[2],
path_real_signal=paths[3],
path_imag_signal=paths[4])
m.add_operation(bp.derivative_divide, modulation_amp=4)
m.add_operation(bp.mag)
self.add_measurement(m, cmap="RdYlGn")
return fnames
def load_VNAMeasurement_select_channels(self):
"""
Load a VNA measurement from a TDMS file. Apply certain standard
operations and plot data. Allow to select used channels.
"""
fnames = QFileDialog.getOpenFileNames(
caption="Open Tdms file(s)",
filter=u"TDMS (*.tdms);;All files (*.*)")
for fname in fnames:
tdms_file = TdmsFile(fname)
channel_labels = [
"Field channel", "Frequency channel", "Re(signal) channel",
"Im(signal) channel"
]
paths, accepted = TdmsChannelSelectDialog.get_group_channels(
tdms_file=tdms_file, channel_labels=channel_labels)
m = VNAMeasurement(fname=fname,
tdms_file=tdms_file,
group=paths[2][0],
field_channel=paths[0][1],
freq_channel=paths[1][1],
signal_channel=paths[2][1],
imag_channel=paths[3][1])
m.add_operation(bp.derivative_divide, modulation_amp=4)
m.add_operation(bp.mag)
self.add_measurement(m, cmap="RdYlGn")
return fnames
def load_measurement(self):
"""
Load measurements according to .measurement.json file(s)
"""
fnames = QFileDialog.getOpenFileNames(
caption="Open Tdms file(s)",
filter=
u"Measurements Object Descriptions (*.measurement.json);;All files (*.*)"
)
for fname in fnames:
with open(fname, "r") as f:
m = jsonpickle.loads(f.read())
self.add_measurement(m, cmap="RdYlGn")
return fnames
def load_VNAMeasurement(self):
"""
Load a VNA measurement from a TDMS file. Apply certain standard
operations and plot data.
"""
fnames = QFileDialog.getOpenFileNames(
caption="Open Tdms file(s)",
filter=u"TDMS (*.tdms);;All files (*.*)")
for fname in fnames:
m = VNAMeasurement(fname)
m.add_operation(bp.derivative_divide, modulation_amp=4)
m.add_operation(bp.mag)
self.add_measurement(m, cmap="RdYlGn")
return fnames
