示例#1
0
    def map_dac_to_mass(self, dac, detname):
        """
        convert a DAC value (voltage) to mass for a given detector
        use the mftable

        :param dac: float, voltage (0-10V)
        :param detname: str, name of a detector, e.g H1
        :return: float, mass
        """
        from pychron.spectrometer.mftable import get_detector_name, mass_cal_func
        detname = get_detector_name(detname)

        d = self.mftable.get_table()

        _, xs, ys, p = d[detname]

        def func(x, *args):
            c = list(p)
            c[-1] -= dac
            return mass_cal_func(c, x)
        try:
            mass = optimize.brentq(func, 0, 200)
            return mass

        except ValueError, e:
            self.debug('DAC does not map to an isotope. DAC={}, Detector={}'.format(dac, detname))
示例#2
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    def map_dac_to_mass(self, dac, detname):
        """
        convert a DAC value (voltage) to mass for a given detector
        use the mftable

        :param dac: float, voltage (0-10V)
        :param detname: str, name of a detector, e.g H1
        :return: float, mass
        """
        from pychron.spectrometer.mftable import get_detector_name, mass_cal_func
        detname = get_detector_name(detname)

        d = self.mftable.get_table()

        _, xs, ys, p = d[detname]

        def func(x, *args):
            c = list(p)
            c[-1] -= dac
            return mass_cal_func(c, x)
        try:
            mass = optimize.brentq(func, 0, 200)
            return mass

        except ValueError, e:
            import traceback
            traceback.print_exc()
            self.debug('DAC does not map to an isotope. DAC={}, Detector={}'.format(dac, detname))
示例#3
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    def map_mass_to_dac(self, mass, detname):
        detname = get_detector_name(detname)
        d = self.mftable.get_table()
        _, xs, ys, p = d[detname]
        dac = mass_cal_func(p, mass)

        self.debug('map mass to dac {} >> {}'.format(mass, dac))

        return dac
示例#4
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    def map_dac_to_mass(self, dac, detname):
        detname = get_detector_name(detname)

        d = self.mftable.get_table()

        _, xs, ys, p = d[detname]

        def func(x, *args):
            c = list(p)
            c[-1] -= dac
            return mass_cal_func(c, x)

        mass = optimize.brentq(func, 0, 200)
        return mass
示例#5
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    def map_mass_to_dac(self, mass, detname):
        """
        convert a mass value from amu to dac for a given detector

        :param mass: float, amu
        :param detname: std, name of a detector, e.g. H1
        :return: float, dac voltage
        """

        from pychron.spectrometer.mftable import get_detector_name, mass_cal_func

        detname = get_detector_name(detname)
        d = self.mftable.get_table()
        _, xs, ys, p = d[detname]

        dac = mass_cal_func(p, mass)

        self.debug('map mass to dac {} >> {}'.format(mass, dac))

        return dac
示例#6
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    def map_mass_to_dac(self, mass, detname):
        """
        convert a mass value from amu to dac for a given detector

        :param mass: float, amu
        :param detname: std, name of a detector, e.g. H1
        :return: float, dac voltage
        """

        from pychron.spectrometer.mftable import get_detector_name, mass_cal_func

        detname = get_detector_name(detname)
        d = self.mftable.get_table()
        _, xs, ys, p = d[detname]

        dac = mass_cal_func(p, mass)

        self.debug('map mass to dac {} >> {}'.format(mass, dac))

        return dac