def update_axis(self):
axis = utils.Axis()
unit = self.settings.child('acq_settings', 'units').value()
if unit == 'nm':
axis['data'] = self.viewer_freq_axis['data']
elif unit == 'cm-1':
axis['data'] = Enm2cmrel(
self.viewer_freq_axis['data'],
self.settings.child('config_settings', 'laser_wl').value())
elif unit == 'eV':
axis['data'] = nm2eV(self.viewer_freq_axis['data'])
axis['units'] = unit
axis['label'] = 'Photon energy'
self.viewer.x_axis = axis
def update_center_frequency(self, spectro_wl):
self._spectro_wl = spectro_wl
if self.settings.child('acq_settings', 'units').value() == 'nm':
self.settings.child('acq_settings',
'spectro_center_freq').setValue(spectro_wl)
elif self.settings.child('acq_settings', 'units').value() == 'cm-1':
self.settings.child('acq_settings',
'spectro_center_freq').setValue(
Enm2cmrel(
spectro_wl,
self.settings.child(
'config_settings',
'laser_wl').value()))
elif self.settings.child('acq_settings', 'units').value() == 'eV':
self.settings.child('acq_settings',
'spectro_center_freq').setValue(
nm2eV(spectro_wl))
self.set_status_center(
self.settings.child('acq_settings', 'spectro_center_freq').value(),
self.settings.child('acq_settings', 'units').value())
def test_nm2eV(self):
assert utils.nm2eV(800) == pytest.approx(1.54980259)
def parameter_tree_changed(self, param, changes):
for param, change, data in changes:
path = self.settings.childPath(param)
if path is not None:
childName = '.'.join(path)
else:
childName = param.name()
if change == 'childAdded':
pass
elif change == 'value':
if param.name() == 'show_det':
self.show_detector(data)
elif param.name() == 'spectro_center_freq':
unit = self.settings.child('acq_settings', 'units').value()
if unit == 'nm':
center_wavelength = data
elif unit == 'cm-1':
center_wavelength = Ecmrel2Enm(
data,
self.settings.child('config_settings',
'laser_wl').value())
elif unit == 'eV':
center_wavelength = eV2nm(data)
if int(self.spectro_wl * 100) != int(
100 * center_wavelength): #comprison at 1e-2
self.spectro_wl = center_wavelength
self.update_axis()
elif param.name() == 'units':
if self.settings.child(
'acq_settings',
'spectro_center_freq').value() > 0.000000001:
if data == 'nm':
self.settings.child(
'acq_settings',
'spectro_center_freq').setValue(
self._spectro_wl)
elif data == 'cm-1':
self.settings.child(
'acq_settings',
'spectro_center_freq').setValue(
Enm2cmrel(
self._spectro_wl,
self.settings.child(
'config_settings',
'laser_wl').value()))
elif data == 'eV':
self.settings.child(
'acq_settings',
'spectro_center_freq').setValue(
nm2eV(self._spectro_wl))
self.set_status_center(
self.settings.child('acq_settings',
'spectro_center_freq').value(),
self.settings.child('acq_settings',
'units').value())
elif param.name() == 'laser_wl_list':
if data is not None:
self.move_laser_wavelength(data)
elif param.name() == 'laser_wl':
if data is not None:
self.move_laser_wavelength(data)
if int(data) == 0:
self.settings.child('acq_settings',
'units').setValue('nm')
self.settings.child('acq_settings',
'units').setOpts(readonly=True)
else:
self.settings.child(
'acq_settings',
'units').setOpts(readonly=False)
if data != 0:
self.set_manual_laser_wl(data)
elif param.name() == 'exposure_ms':
self.set_exposure_ms(data)
elif param.name() == 'do_calib':
if len(self.raw_data) != 0:
if data:
self.calib_dock = Dock('Calibration module')
self.dockarea.addDock(self.calib_dock)
self.calibration = Calibration(self.dockarea)
self.calib_dock.addWidget(self.calibration)
self.calibration.coeffs_calib.connect(
self.update_calibration)
else:
self.calib_dock.close()
elif param.name() == 'save_calib':
filename = select_file(start_path=self.save_file_pathname,
save=True,
ext='xml')
if filename != '':
custom_tree.parameter_to_xml_file(
self.settings.child('calib_settings',
'calib_coeffs'), filename)
elif param.name() == 'load_calib':
filename = select_file(start_path=self.save_file_pathname,
save=False,
ext='xml')
if filename != '':
children = custom_tree.XML_file_to_parameter(filename)
self.settings.child(
'calib_settings', 'calib_coeffs').restoreState(
Parameter.create(
title='Calibration coeffs:',
name='calib_coeffs',
type='group',
children=children).saveState())
elif param.name() in custom_tree.iter_children(self.settings.child('calib_settings', 'calib_coeffs')) \
or param.name() == 'use_calib':
if self.settings.child('calib_settings',
'use_calib').value():
calib_coeffs = [
self.settings.child('calib_settings',
'calib_coeffs',
'third_calib').value(),
self.settings.child('calib_settings',
'calib_coeffs',
'second_calib').value(),
self.settings.child('calib_settings',
'calib_coeffs',
'slope_calib').value(),
self.settings.child('calib_settings',
'calib_coeffs',
'center_calib').value()
]
self.update_center_frequency(
self.settings.child('calib_settings',
'calib_coeffs',
'center_calib').value())
self.settings.child('acq_settings',
'spectro_center_freq').show()
self.settings.child(
'acq_settings',
'spectro_center_freq').setOpts(readonly=True)
self.status_center.setStyleSheet(
"background-color: green")
self.settings.child('acq_settings',
'spectro_center_freq_txt').hide()
x_axis_pxls = np.linspace(0, self.raw_data[0].size - 1,
self.raw_data[0].size)
self.viewer_freq_axis['data'] = np.polyval(
calib_coeffs,
x_axis_pxls - np.max(x_axis_pxls) / 2)
self.update_axis()
else:
self.settings.child('acq_settings',
'spectro_center_freq').hide()
self.settings.child('acq_settings',
'spectro_center_freq_txt').show()
self.status_center.setStyleSheet(
"background-color: red")
elif change == 'parent':
pass