def _build_waverange_dialog(self, wave_range, line_list):
dialog = QDialog(parent=self.centralWidget)
loadUi(os.path.join(os.path.dirname(__file__), "ui", "linelists_waverange.ui"), dialog)
dialog.min_text.setText("%.2f" % wave_range[0].value)
dialog.max_text.setText("%.2f" % wave_range[1].value)
validator = QDoubleValidator()
validator.setBottom(0.0)
validator.setDecimals(2)
dialog.min_text.setValidator(validator)
dialog.max_text.setValidator(validator)
dialog.nlines_label = self._compute_nlines_in_waverange(line_list, dialog.min_text, dialog.max_text,
dialog.nlines_label)
dialog.min_text.editingFinished.connect(lambda: self._compute_nlines_in_waverange(line_list,
dialog.min_text, dialog.max_text, dialog.nlines_label))
dialog.max_text.editingFinished.connect(lambda: self._compute_nlines_in_waverange(line_list,
dialog.min_text, dialog.max_text, dialog.nlines_label))
accepted = dialog.exec_() > 0
amin = amax = None
if accepted:
return self._get_range_from_textfields(dialog.min_text, dialog.max_text)
return (amin, amax)
def _build_waverange_dialog(self, wave_range, line_list):
dialog = QDialog()
loadUi(os.path.join(os.path.dirname(__file__), "ui", "linelists_waverange.ui"), dialog)
# convert from line list native units to whatever units
# are currently being displayed in the spectral axis.
linelist_units = wave_range[0].unit
spectral_axis_unit = self.hub.plot_widget.spectral_axis_unit
w0 = wave_range[0].to(spectral_axis_unit, equivalencies=u.spectral())
w1 = wave_range[1].to(spectral_axis_unit, equivalencies=u.spectral())
# populate labels with correct physical quantity name
dispersion_unit = u.Unit(spectral_axis_unit or "")
if dispersion_unit.physical_type == 'length':
dialog.minwave_label.setText("Minimum wavelength")
dialog.maxwave_label.setText("Maximum wavelength")
elif dispersion_unit.physical_type == 'frequency':
dialog.minwave_label.setText("Minimum frequency")
dialog.maxwave_label.setText("Maximum frequency")
elif dispersion_unit.physical_type == 'energy':
dialog.minwave_label.setText("Minimum energy")
dialog.maxwave_label.setText("Maximum energy")
else:
dialog.minwave_label.setText("Minimum disp. var.")
dialog.maxwave_label.setText("Maximum disp. var.")
# pick a good format to display values represented
# in the currently selected plot units.
if str(w0.unit) in units_formats:
fmt = units_formats[str(w0.unit)]
else:
# use generic formatting for weirder units
fmt = "%.6g"
dialog.min_text.setText(fmt % w0.value)
dialog.max_text.setText(fmt % w1.value)
validator = QDoubleValidator()
validator.setBottom(0.0)
dialog.min_text.setValidator(validator)
dialog.max_text.setValidator(validator)
dialog.nlines_label = self._compute_nlines_in_waverange(line_list, dialog.min_text, dialog.max_text,
dialog.nlines_label, linelist_units, spectral_axis_unit)
dialog.min_text.editingFinished.connect(lambda: self._compute_nlines_in_waverange(line_list,
dialog.min_text,
dialog.max_text,
dialog.nlines_label,
linelist_units,
spectral_axis_unit))
dialog.max_text.editingFinished.connect(lambda: self._compute_nlines_in_waverange(line_list,
dialog.min_text,
dialog.max_text,
dialog.nlines_label,
linelist_units,
spectral_axis_unit))
accepted = dialog.exec_() > 0
amin = amax = None
if accepted:
return self._get_range_from_textfields(dialog.min_text, dialog.max_text,
linelist_units, spectral_axis_unit)
return (amin, amax)