Пример #1
0
def calculate_plateau_age(ages, errors, k39, kind='inverse_variance',
                          method='fleck 1977', options=None):
    """
        ages: list of ages
        errors: list of corresponding  1sigma errors
        k39: list of 39ArK signals

        return age, error
    """
    # print 'ages=array({})'.format(ages)
    # print 'errors=array({})'.format(errors)
    # print 'k39=array({})'.format(k39)
    if options is None:
        options = {}

    ages = asarray(ages)
    errors = asarray(errors)
    k39 = asarray(k39)

    force_steps = options.get('force_steps', False)
    if force_steps:
        sstep, estep = force_steps
        sstep, estep = sstep.upper(), estep.upper()
        if not sstep:
            sidx = 0
        else:
            sidx = ALPHAS.index(sstep)

        n = ages.shape[0] - 1
        if not estep:
            eidx = n
        else:
            eidx = ALPHAS.index(estep)

        sidx, eidx = min(sidx, eidx), min(max(sidx, eidx), n)
        pidx = (sidx, eidx) if sidx < n else None

    else:

        from pychron.processing.plateau import Plateau

        p = Plateau(ages=ages,
                    errors=errors,
                    signals=k39,
                    nsteps=options.get('nsteps', 3),
                    gas_fraction=options.get('gas_fraction', 50))

        pidx = p.find_plateaus(method)

    if pidx:
        sx = slice(pidx[0], pidx[1] + 1)
        plateau_ages = ages[sx]
        if kind == 'vol_fraction':
            weights = k39[sx]
            wm, we = average(plateau_ages, weights=weights)
        else:
            plateau_errors = errors[sx]
            wm, we = calculate_weighted_mean(plateau_ages, plateau_errors)

        return wm, we, pidx
Пример #2
0
    def _add_level(self):
        irrad = self.irradiation
        db = self.db
        with db.session_ctx():
            irrad = db.get_irradiation(irrad)
            nind = 0
            if irrad.levels:
                level = irrad.levels[-1]

                self.z = level.z

                if level.holder:
                    self.selected_tray = next(
                        (t for t in self.trays if t == level.holder), None)

                if level.name in ALPHAS:
                    nind = ALPHAS.index(level.name) + 1

            try:
                self.name = ALPHAS[nind]
            except IndexError:
                self.warning_dialog('Too many levels max level={}'.format(
                    ALPHAS[-1]))
                return

            av = AddView(model=self)
            info = av.edit_traits()
            while 1:
                if info.result:
                    for attr, msg in (
                        ('name',
                         'No name enter for this level. Would you like to enter one?'
                         ),
                        ('selected_production',
                         'No Production Ratios selected for this level. Would you like to select one?'
                         ),
                        ('selected_tray',
                         'No tray selected for this level. Would like to select one?'
                         )):
                        info = self._check_attr_set(av, attr, msg)
                        if info == 'break':
                            break
                        elif info is not None:
                            continue

                    if not next(
                        (li for li in irrad.levels if li.name == self.name),
                            None):
                        db.add_irradiation_level(self.name, irrad,
                                                 self.selected_tray, self.z,
                                                 self.level_note)

                        return self.name

                    else:
                        self.warning_dialog(
                            'Level {} already exists for Irradiation {}'.
                            format(self.name, self.irradiation))
                else:
                    break
Пример #3
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 def _set_step(self, v):
     if isinstance(v, str):
         v = v.upper()
         if v in ALPHAS:
             self._step = ALPHAS.index(v)
     else:
         self._step = v
Пример #4
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 def _set_step(self, v):
     if isinstance(v, str):
         v = v.upper()
         if v in ALPHAS:
             self._step = ALPHAS.index(v)
     else:
         self._step = v
Пример #5
0
    def _add_level(self):
        irrad = self.irradiation
        db = self.db
        with db.session_ctx():
            irrad = db.get_irradiation(irrad)
            nind = 0
            if irrad.levels:
                level = irrad.levels[-1]

                self.z = level.z
                if level.production:
                    self.selected_production = next((p for p in self.productions
                                                     if p.name == level.production.name), None)
                if level.holder:
                    self.selected_tray = next((t for t in self.trays if t == level.holder.name), None)

                if level.name in ALPHAS:
                    nind = ALPHAS.index(level.name) + 1

            try:
                self.name = ALPHAS[nind]
            except IndexError:
                self.warning_dialog('Too many levels max level={}'.format(ALPHAS[-1]))
                return

            av = AddView(model=self)
            info = av.edit_traits()
            while 1:
                if info.result:
                    for attr, msg in (('name', 'No name enter for this level. Would you like to enter one?'),
                                      ('selected_production',
                                       'No Production Ratios selected for this level. Would you like to select one?'),
                                      ('selected_tray', 'No tray selected for this level. Would like to select one?')):
                        info = self._check_attr_set(av, attr, msg)
                        if info == 'break':
                            break
                        elif info is not None:
                            continue

                    if not next((li for li in irrad.levels if li.name == self.name), None):
                        db.add_irradiation_level(self.name, irrad,
                                                 self.selected_tray,
                                                 self.selected_production.name,
                                                 self.z)

                        self._save_production()

                        return self.name

                    else:
                        self.warning_dialog('Level {} already exists for Irradiation {}'.format(self.name,
                                                                                                self.irradiation))
                else:
                    break
Пример #6
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    def get_greatest_step(self, identifier, aliquot):

        ret = 0
        if self.db:
            identifier = self.get_identifier(identifier)
            ret = self.db.get_latest_analysis(identifier, aliquot)
            if ret:
                _, s = ret
                if s is not None and s in ALPHAS:
                    ret = ALPHAS.index(s)  # if s is not None else -1
                else:
                    ret = -1
        return ret
    def get_greatest_step(self, identifier, aliquot):

        ret = 0
        if self.db:
            identifier = self.get_identifier(identifier)
            ret = self.db.get_latest_analysis(identifier, aliquot)
            if ret:
                _, s = ret
                if s is not None and s in ALPHAS:
                    ret = ALPHAS.index(s)  # if s is not None else -1
                else:
                    ret = -1
        return ret
Пример #8
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    def get_analysis_runid(self, idn, aliquot, step=None):
        with self.session_ctx() as sess:
            q = sess.query(AnalysisTbl)
            q = q.join(IrradiationPositionTbl)
            if step:
                if isinstance(step, (str, unicode)):
                    step = ALPHAS.index(step)

                q = q.filter(AnalysisTbl.increment == step)
            if aliquot:
                q = q.filter(AnalysisTbl.aliquot == aliquot)

            q = q.filter(IrradiationPositionTbl.identifier == idn)
            return self._query_one(q)
Пример #9
0
    def get_analysis_runid(self, idn, aliquot, step=None):
        with self.session_ctx() as sess:
            q = sess.query(AnalysisTbl)
            q = q.join(IrradiationPositionTbl)
            if step:
                if isinstance(step, (str, unicode)):
                    step = ALPHAS.index(step)

                q = q.filter(AnalysisTbl.increment == step)
            if aliquot:
                q = q.filter(AnalysisTbl.aliquot == aliquot)

            q = q.filter(IrradiationPositionTbl.identifier == idn)
            return self._query_one(q)
Пример #10
0
    def get_greatest_step(self, ln, aliquot):
        """
            return greatest step for this labnumber and aliquot.
            return step as an integer. A=0, B=1...
        """
        with self.session_ctx() as sess:
            if ln:
                ln = self.get_identifier(ln)
                if not ln:
                    return
                q = sess.query(AnalysisTbl.step)
                q = q.join(IrradiationPositionTbl)

                q = q.filter(IrradiationPositionTbl.identifier == ln)
                q = q.filter(AnalysisTbl.aliquot == aliquot)
                # q = q.order_by(cast(meas_AnalysisTable.step, INTEGER(unsigned=True)).desc())
                q = q.order_by(AnalysisTbl.increment.desc())
                result = self._query_one(q)
                if result:
                    step = result[0]
                    return ALPHAS.index(step) if step else -1
Пример #11
0
    def get_greatest_step(self, ln, aliquot):
        """
            return greatest step for this labnumber and aliquot.
            return step as an integer. A=0, B=1...
        """
        with self.session_ctx() as sess:
            if ln:
                ln = self.get_identifier(ln)
                if not ln:
                    return
                q = sess.query(AnalysisTbl.step)
                q = q.join(IrradiationPositionTbl)

                q = q.filter(IrradiationPositionTbl.identifier == ln)
                q = q.filter(AnalysisTbl.aliquot == aliquot)
                # q = q.order_by(cast(meas_AnalysisTable.step, INTEGER(unsigned=True)).desc())
                q = q.order_by(AnalysisTbl.increment.desc())
                result = self._query_one(q)
                if result:
                    step = result[0]
                    return ALPHAS.index(step) if step else -1
Пример #12
0
def calculate_plateau_age(ages,
                          errors,
                          k39,
                          kind='inverse_variance',
                          method='fleck 1977',
                          options=None,
                          excludes=None):
    """
        ages: list of ages
        errors: list of corresponding  1sigma errors
        k39: list of 39ArK signals

        return age, error
    """
    # print 'ages=array({})'.format(ages)
    # print 'errors=array({})'.format(errors)
    # print 'k39=array({})'.format(k39)
    if options is None:
        options = {}

    ages = asarray(ages)
    errors = asarray(errors)
    k39 = asarray(k39)

    force_steps = options.get('force_steps', False)
    if force_steps:
        sstep, estep = force_steps
        sstep, estep = sstep.upper(), estep.upper()
        if not sstep:
            sidx = 0
        else:
            sidx = ALPHAS.index(sstep)

        n = ages.shape[0] - 1
        if not estep:
            eidx = n
        else:
            eidx = ALPHAS.index(estep)

        sidx, eidx = min(sidx, eidx), min(max(sidx, eidx), n)
        pidx = (sidx, eidx) if sidx < n else None

    else:

        from pychron.processing.plateau import Plateau

        p = Plateau(ages=ages,
                    errors=errors,
                    signals=k39,
                    excludes=excludes,
                    nsteps=options.get('nsteps', 3),
                    gas_fraction=options.get('gas_fraction', 50))

        pidx = p.find_plateaus(method)

    if pidx:
        sx = slice(pidx[0], pidx[1] + 1)
        plateau_ages = ages[sx]
        if kind == 'vol_fraction':
            weights = k39[sx]
            wm, we = average(plateau_ages, weights=weights)
        else:
            plateau_errors = errors[sx]
            wm, we = calculate_weighted_mean(plateau_ages, plateau_errors)

        return wm, we, pidx
Пример #13
0
    def _transfer_analysis(self, rec, exp, overwrite=True, monitor_mapping=None):
        dest = self.dvc.db
        proc = self.processor
        src = proc.db

        # args = rec.split('-')
        # idn = '-'.join(args[:-1])
        # t = args[-1]
        # try:
        #     aliquot = int(t)
        #     step = None
        # except ValueError:
        #     aliquot = int(t[:-1])
        #     step = t[-1]
        m = IDENTIFIER_REGEX.match(rec)
        if not m:
            m = SPECIAL_IDENTIFIER_REGEX.match(rec)

        if not m:
            self.warning('invalid runid {}'.format(rec))
            return
        else:
            idn = m.group('identifier')
            aliquot = m.group('aliquot')
            try:
                step = m.group('step') or None
            except IndexError:
                step = None

        if idn == '4359':
            idn = 'c-01-j'
        elif idn == '4358':
            idn = 'c-01-o'

        # check if analysis already exists. skip if it does
        if dest.get_analysis_runid(idn, aliquot, step):
            self.warning('{} already exists'.format(make_runid(idn, aliquot, step)))
            return

        dban = src.get_analysis_runid(idn, aliquot, step)
        iv = IsotopeRecordView()
        iv.uuid = dban.uuid

        self.debug('make analysis idn:{}, aliquot:{} step:{}'.format(idn, aliquot, step))
        try:
            an = proc.make_analysis(iv, unpack=True, use_cache=False, use_progress=False)
        except:
            self.warning('Failed to make {}'.format(make_runid(idn, aliquot, step)))
            return

        self._transfer_meta(dest, dban, monitor_mapping)
        # return

        dblab = dban.labnumber

        if dblab.irradiation_position:
            irrad = dblab.irradiation_position.level.irradiation.name
            level = dblab.irradiation_position.level.name
            irradpos = dblab.irradiation_position.position
        else:
            irrad = 'NoIrradiation'
            level = 'A'
            irradpos = self._get_irradpos(dest, irrad, level, dblab.identifier)
            # irrad, level, irradpos = '', '', 0

        extraction = dban.extraction
        ms = dban.measurement.mass_spectrometer.name
        if not dest.get_mass_spectrometer(ms):
            self.debug('adding mass spectrometer {}'.format(ms))
            dest.add_mass_spectrometer(ms)
            dest.commit()

        ed = extraction.extraction_device.name if extraction.extraction_device else None
        if not ed:
            ed = 'No Extract Device'

        if not dest.get_extraction_device(ed):
            self.debug('adding extract device {}'.format(ed))
            dest.add_extraction_device(ed)
            dest.commit()

        if step is None:
            inc = -1
        else:
            inc = ALPHAS.index(step)

        username = ''
        if dban.user:
            username = dban.user.name
            if not dest.get_user(username):
                self.debug('adding user. username:{}'.format(username))
                dest.add_user(username)
                dest.commit()

        if monitor_mapping:
            sample_name, material_name, project_name = monitor_mapping
        else:
            dbsam = dblab.sample
            sample_name = dbsam.name
            material_name = dbsam.material.name
            project_name = format_repository_identifier(dbsam.project.name)

        rs = AutomatedRunSpec(labnumber=idn,
                              username=username,
                              material=material_name,
                              project=project_name,
                              sample=sample_name,
                              irradiation=irrad,
                              irradiation_level=level,
                              irradiation_position=irradpos,
                              repository_identifier=exp,
                              mass_spectrometer=ms,
                              uuid=dban.uuid,
                              _step=inc,
                              comment=dban.comment or '',
                              aliquot=int(aliquot),
                              extract_device=ed,
                              duration=extraction.extract_duration,
                              cleanup=extraction.cleanup_duration,
                              beam_diameter=extraction.beam_diameter,
                              extract_units=extraction.extract_units or '',
                              extract_value=extraction.extract_value,
                              pattern=extraction.pattern or '',
                              weight=extraction.weight,
                              ramp_duration=extraction.ramp_duration or 0,
                              ramp_rate=extraction.ramp_rate or 0,

                              collection_version='0.1:0.1',
                              queue_conditionals_name='',
                              tray='')

        meas = dban.measurement
        # get spectrometer parameters
        # gains
        gains = {}
        gain_history = dban.gain_history
        if gain_history:
            gains = {d.detector.name: d.value for d in gain_history.gains}

        # deflections
        deflections = {d.detector.name: d.deflection for d in meas.deflections}

        # source
        src = {k: getattr(meas.spectrometer_parameters, k) for k in QTEGRA_SOURCE_KEYS}

        ps = PersistenceSpec(run_spec=rs,
                             tag=an.tag.name,
                             arar_age=an,
                             timestamp=dban.analysis_timestamp,
                             defl_dict=deflections,
                             gains=gains,
                             spec_dict=src,
                             use_repository_association=True,
                             positions=[p.position for p in extraction.positions])

        self.debug('transfer analysis with persister')
        self.persister.per_spec_save(ps, commit=False, msg_prefix='Database Transfer')
        return True