tomwer.gui.reconstruction.nabu.nabuconfig.ctf.OptionalDouble# class tomwer.gui.reconstruction.nabu.nabuconfig.ctf.OptionalDouble(parent)# A spin box with a Check box to handle ‘None’ case of the nabu CTF options setText(text)# setValue(value)# sigChanged# emit when the combobox of the double spin box value changed value()# Return type: float | None