コード例 #1
0
    def calc(self, p, x, xhi=None, *args, **kwargs):
        pha = self.pha

        # TODO: this should probably include AREASCAL

        user_grid = False
        try:

            if self._check_for_user_grid(x, xhi):
                user_grid = True
                self._startup_user_grid(x, xhi)

            # Slow
            if self.table is None:
                # again, fit() never comes in here b/c it calls startup()
                src = self.source
                vals = []
                for model, args in zip(self.models, self.grid):
                    elo, ehi = lo, hi = args
                    if pha.units == 'wavelength':
                        lo = DataPHA._hc / ehi
                        hi = DataPHA._hc / elo
                    vals.append(model(src(lo, hi)))
                self.orders = vals
            # Fast
            else:
                xlo, xhi = self.elo, self.ehi
                if pha.units == 'wavelength':
                    xlo, xhi = self.lo, self.hi

                src = self.source(xlo, xhi)  # hi-res grid of all ARF grids

                # Fold summed intervals through the associated response.
                self.orders = \
                    [model(sum_intervals(src, interval[0], interval[1]))
                     for model, interval in zip(self.models, self.table)]

            vals = sum(self.orders)
            if self.mask is not None:
                vals = vals[self.mask]

        finally:
            if user_grid:
                self._teardown_user_grid()

        return vals
コード例 #2
0
ファイル: instrument.py プロジェクト: ChandraCXC/sherpa
    def calc(self, p, x, xhi=None, *args, **kwargs):
        pha = self.pha

        user_grid = False
        try:

            if self._check_for_user_grid(x, xhi):
                user_grid = True
                self._startup_user_grid(x, xhi)

            # Slow
            if self.table is None:
                # again, fit() never comes in here b/c it calls startup()
                src = self.source
                vals = []
                for model, args in izip(self.models, self.grid):
                    elo,ehi = lo,hi = args
                    if pha.units == 'wavelength':
                        lo = DataPHA._hc / ehi
                        hi = DataPHA._hc / elo
                    vals.append(model(src(lo, hi)))
                self.orders = vals
            # Fast
            else:
                xlo,xhi = self.elo, self.ehi
                if pha.units == 'wavelength':
                    xlo, xhi = self.lo, self.hi

                src = self.source(xlo, xhi)  # hi-res grid of all ARF grids

                # Fold summed intervals through the associated response.
                self.orders = \
                    [model(sum_intervals(src, interval[0], interval[1]))
                     for model, interval in izip(self.models, self.table)]

            vals = sum(self.orders)
            if self.mask is not None:
                vals = vals[self.mask]

        finally:
            if user_grid:
                self._teardown_user_grid()


        return vals