Esempio n. 1
0
    def with_individual_given_intensity(self, N, In, Ba, Bb, Bc, Bd):
        """Generate reflections with given intensity and background."""
        from dials.algorithms.simulation import simulate_reciprocal_space_gaussian
        from dials.algorithms.simulation.generate_test_reflections import (
            random_background_plane2, )
        from dials.util.command_line import ProgressBar

        # Check the lengths
        assert N == len(In)
        assert N == len(Ba)
        assert N == len(Bb)
        assert N == len(Bc)
        assert N == len(Bd)

        # Generate some predictions
        refl = self.generate_predictions(N)

        # Calculate the signal
        progress = ProgressBar(
            title=f"Calculating signal for {len(refl)} reflections")
        s1 = refl["s1"]
        phi = refl["xyzcal.mm"].parts()[2]
        bbox = refl["bbox"]
        shoebox = refl["shoebox"]
        m = int(len(refl) / 100)
        I_exp = flex.double(len(refl), 0)
        for i in range(len(refl)):
            if In[i] > 0:
                data = shoebox[i].data.as_double()
                I_exp[i] = simulate_reciprocal_space_gaussian(
                    self.experiment.beam,
                    self.experiment.detector,
                    self.experiment.goniometer,
                    self.experiment.scan,
                    self.sigma_b,
                    self.sigma_m,
                    s1[i],
                    phi[i],
                    bbox[i],
                    In[i],
                    data,
                    shoebox[i].mask,
                )
                shoebox[i].data = data.as_float()
            if i % m == 0:
                progress.update(100.0 * float(i) / len(refl))
        progress.finished(
            f"Calculated signal impacts for {len(refl)} reflections")

        # Calculate the background
        progress = ProgressBar(
            title=f"Calculating background for {len(refl)} reflections")
        for l in range(len(refl)):
            background = flex.float(flex.grid(shoebox[l].size()), 0.0)
            random_background_plane2(background, Ba[l], Bb[l], Bc[l], Bd[l])
            shoebox[l].data += background
            shoebox[l].background = background
            if l % m == 0:
                progress.update(100.0 * float(l) / len(refl))
            progress.update(100.0 * float(l) / len(refl))
        progress.finished(f"Calculated background for {len(refl)} reflections")

        ## Calculate the expected intensity by monte-carlo integration
        # progress = ProgressBar(title='Integrating expected signal for %d reflections' % len(refl))
        # s1 = refl['s1']
        # phi = refl['xyzcal.mm'].parts()[2]
        # bbox = refl['bbox']
        # shoebox = refl['shoebox']
        # I_exp = flex.double(len(refl), 0)
        # m = int(len(refl) / 100)
        # for i in range(len(refl)):
        # if In[i] > 0:
        # I_exp[i] = integrate_reciprocal_space_gaussian(
        # self.experiment.beam,
        # self.experiment.detector,
        # self.experiment.goniometer,
        # self.experiment.scan,
        # self.sigma_b,
        # self.sigma_m,
        # s1[i],
        # phi[i],
        # bbox[i],
        # 10000,
        # shoebox[i].mask) / 10000.0
        # if i % m == 0:
        # progress.update(100.0 * float(i) / len(refl))
        # progress.finished('Integrated expected signal impacts for %d reflections' % len(refl))

        # Save the expected intensity and background
        refl["intensity.sim"] = In
        refl["background.sim.a"] = Ba
        refl["background.sim.b"] = Bb
        refl["background.sim.c"] = Bc
        refl["background.sim.d"] = Bd
        refl["intensity.exp"] = I_exp

        # Return the reflections
        return refl
Esempio n. 2
0
    def with_individual_given_intensity(self, N, I, Ba, Bb, Bc, Bd):
        """ Generate reflections with given intensity and background. """
        from dials.array_family import flex
        from dials.util.command_line import ProgressBar
        from dials.algorithms.simulation import simulate_reciprocal_space_gaussian
        from dials.algorithms.simulation.generate_test_reflections import random_background_plane2

        # Check the lengths
        assert N == len(I)
        assert N == len(Ba)
        assert N == len(Bb)
        assert N == len(Bc)
        assert N == len(Bd)

        # Generate some predictions
        refl = self.generate_predictions(N)

        # Calculate the signal
        progress = ProgressBar(title="Calculating signal for %d reflections" % len(refl))
        s1 = refl["s1"]
        phi = refl["xyzcal.mm"].parts()[2]
        bbox = refl["bbox"]
        shoebox = refl["shoebox"]
        m = int(len(refl) / 100)
        I_exp = flex.double(len(refl), 0)
        for i in range(len(refl)):
            if I[i] > 0:
                data = shoebox[i].data.as_double()
                I_exp[i] = simulate_reciprocal_space_gaussian(
                    self.experiment.beam,
                    self.experiment.detector,
                    self.experiment.goniometer,
                    self.experiment.scan,
                    self.sigma_b,
                    self.sigma_m,
                    s1[i],
                    phi[i],
                    bbox[i],
                    I[i],
                    data,
                    shoebox[i].mask,
                )
                shoebox[i].data = data.as_float()
            if i % m == 0:
                progress.update(100.0 * float(i) / len(refl))
        progress.finished("Calculated signal impacts for %d reflections" % len(refl))

        # Calculate the background
        progress = ProgressBar(title="Calculating background for %d reflections" % len(refl))
        for l in range(len(refl)):
            background = flex.float(flex.grid(shoebox[l].size()), 0.0)
            random_background_plane2(background, Ba[l], Bb[l], Bc[l], Bd[l])
            shoebox[l].data += background
            shoebox[l].background = background
            if l % m == 0:
                progress.update(100.0 * float(l) / len(refl))
            progress.update(100.0 * float(l) / len(refl))
        progress.finished("Calculated background for %d reflections" % len(refl))

        ## Calculate the expected intensity by monte-carlo integration
        # progress = ProgressBar(title='Integrating expected signal for %d reflections' % len(refl))
        # s1 = refl['s1']
        # phi = refl['xyzcal.mm'].parts()[2]
        # bbox = refl['bbox']
        # shoebox = refl['shoebox']
        # I_exp = flex.double(len(refl), 0)
        # m = int(len(refl) / 100)
        # for i in range(len(refl)):
        # if I[i] > 0:
        # I_exp[i] = integrate_reciprocal_space_gaussian(
        # self.experiment.beam,
        # self.experiment.detector,
        # self.experiment.goniometer,
        # self.experiment.scan,
        # self.sigma_b,
        # self.sigma_m,
        # s1[i],
        # phi[i],
        # bbox[i],
        # 10000,
        # shoebox[i].mask) / 10000.0
        # if i % m == 0:
        # progress.update(100.0 * float(i) / len(refl))
        # progress.finished('Integrated expected signal impacts for %d reflections' % len(refl))

        # Save the expected intensity and background
        refl["intensity.sim"] = I
        refl["background.sim.a"] = Ba
        refl["background.sim.b"] = Bb
        refl["background.sim.c"] = Bc
        refl["background.sim.d"] = Bd
        refl["intensity.exp"] = I_exp

        # Return the reflections
        return refl