def get_weights(self, weights_options):
        effective_csm_estimator = {"function": "power2_inverse_decreasing", "options": {"max_csm": 8.0}}

        self_weight_estimator = {
            "function": "power2_decreasing_exp",
            "options": {"max_csm": 5.4230949041608305, "alpha": 1.0},
        }

        self_csm_weight = SelfCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator, weight_estimator=self_weight_estimator
        )

        surface_definition = {
            "type": "standard_elliptic",
            "distance_bounds": {"lower": 1.05, "upper": 2.0},
            "angle_bounds": {"lower": 0.05, "upper": 0.95},
        }

        da_area_weight = DistanceAngleAreaNbSetWeight(
            weight_type="has_intersection",
            surface_definition=surface_definition,
            nb_sets_from_hints="fallback_to_source",
            other_nb_sets="0_weight",
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB,
        )

        weight_estimator = {"function": "smootherstep", "options": {"delta_csm_min": 0.5, "delta_csm_max": 3.0}}

        symmetry_measure_type = "csm_wcs_ctwcc"
        delta_csm_weight = DeltaCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator,
            weight_estimator=weight_estimator,
            symmetry_measure_type=symmetry_measure_type,
        )

        bias_weight = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0, weight_cn13=4.0)
        angle_weight = AngleNbSetWeight()

        nad_weight = NormalizedAngleDistanceNbSetWeight(average_type="geometric", aa=1, bb=1)

        weights = {
            "DistAngArea": da_area_weight,
            "SelfCSM": self_csm_weight,
            "DeltaCSM": delta_csm_weight,
            "CNBias": bias_weight,
            "Angle": angle_weight,
            "NormalizedAngDist": nad_weight,
        }

        return weights
Exemplo n.º 2
0
    def test_self_csms_weight(self):
        # Get the StructureEnvironments for K2NaNb2Fe7Si8H4O31 (mp-743972)
        f = open(os.path.join(se_files_dir, 'se_mp-743972.json'), 'r')
        dd = json.load(f)
        f.close()
        se = StructureEnvironments.from_dict(dd)

        # Get neighbors sets for which we get the weights
        cn_maps = [(12, 3), (12, 2), (13, 2), (12, 0), (12, 1)]
        nbsets = {cn_map: se.neighbors_sets[0][cn_map[0]][cn_map[1]] for cn_map in cn_maps}

        effective_csm_estimator = {'function': 'power2_inverse_decreasing',
                                   'options': {'max_csm': 8.0}}
        weight_estimator = {'function': 'power2_decreasing_exp',
                            'options': {'max_csm': 8.0,
                                        'alpha': 1.0}}
        weight_estimator2 = {'function': 'power2_decreasing_exp',
                             'options': {'max_csm': 8.1,
                                         'alpha': 1.0}}
        symmetry_measure_type = 'csm_wcs_ctwcc'
        self_weight = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                         weight_estimator=weight_estimator,
                                         symmetry_measure_type=symmetry_measure_type)
        self_weight2 = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                          weight_estimator=weight_estimator2,
                                          symmetry_measure_type=symmetry_measure_type)
        self.assertNotEqual(self_weight, self_weight2)

        additional_info = {}
        cn_map = (12, 3)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.11671945916431022, delta=1e-8)
        cn_map = (12, 2)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (12, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (12, 1)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (13, 2)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.14204073172729198, delta=1e-8)

        # Get the StructureEnvironments for SiO2 (mp-7000)
        f = open(os.path.join(se_files_dir, 'se_mp-7000.json'), 'r')
        dd = json.load(f)
        f.close()
        se = StructureEnvironments.from_dict(dd)

        # Get neighbors sets for which we get the weights
        cn_maps = [(2, 0), (4, 0)]
        nbsets = {cn_map: se.neighbors_sets[6][cn_map[0]][cn_map[1]] for cn_map in cn_maps}

        effective_csm_estimator = {'function': 'power2_inverse_decreasing',
                                   'options': {'max_csm': 8.0}}

        weight_estimator = {'function': 'power2_decreasing_exp',
                            'options': {'max_csm': 8.0,
                                        'alpha': 1.0}}
        symmetry_measure_type = 'csm_wcs_ctwcc'
        self_weight = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                         weight_estimator=weight_estimator,
                                         symmetry_measure_type=symmetry_measure_type)

        additional_info = {}
        cn_map = (2, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.8143992162836029, delta=1e-8)
        cn_map = (4, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.99629742352359496, delta=1e-8)
Exemplo n.º 3
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    def test_strategies(self):
        simplest_strategy_1 = SimplestChemenvStrategy()
        simplest_strategy_2 = SimplestChemenvStrategy(distance_cutoff=1.5,
                                                      angle_cutoff=0.5)
        self.assertFalse(simplest_strategy_1 == simplest_strategy_2)
        simplest_strategy_1_from_dict = SimplestChemenvStrategy.from_dict(
            simplest_strategy_1.as_dict())
        self.assertTrue(simplest_strategy_1, simplest_strategy_1_from_dict)

        effective_csm_estimator = {
            "function": "power2_inverse_decreasing",
            "options": {
                "max_csm": 8.0
            },
        }
        self_csm_weight = SelfCSMNbSetWeight()
        surface_definition = {
            "type": "standard_elliptic",
            "distance_bounds": {
                "lower": 1.1,
                "upper": 1.9
            },
            "angle_bounds": {
                "lower": 0.1,
                "upper": 0.9
            },
        }
        surface_definition_2 = {
            "type": "standard_elliptic",
            "distance_bounds": {
                "lower": 1.1,
                "upper": 1.9
            },
            "angle_bounds": {
                "lower": 0.1,
                "upper": 0.95
            },
        }
        da_area_weight = DistanceAngleAreaNbSetWeight(
            weight_type="has_intersection",
            surface_definition=surface_definition,
            nb_sets_from_hints="fallback_to_source",
            other_nb_sets="0_weight",
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB,
        )
        da_area_weight_2 = DistanceAngleAreaNbSetWeight(
            weight_type="has_intersection",
            surface_definition=surface_definition_2,
            nb_sets_from_hints="fallback_to_source",
            other_nb_sets="0_weight",
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB,
        )
        weight_estimator = {
            "function": "smootherstep",
            "options": {
                "delta_csm_min": 0.5,
                "delta_csm_max": 3.0
            },
        }
        symmetry_measure_type = "csm_wcs_ctwcc"
        delta_weight = DeltaCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator,
            weight_estimator=weight_estimator,
            symmetry_measure_type=symmetry_measure_type,
        )
        bias_weight = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0,
                                                             weight_cn13=4.0)
        bias_weight_2 = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0,
                                                               weight_cn13=5.0)
        angle_weight = AngleNbSetWeight()
        nad_weight = NormalizedAngleDistanceNbSetWeight(
            average_type="geometric", aa=1, bb=1)
        multi_weights_strategy_1 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type,
        )
        multi_weights_strategy_2 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight_2,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type,
        )
        multi_weights_strategy_3 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight_2,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type,
        )
        multi_weights_strategy_1_from_dict = MultiWeightsChemenvStrategy.from_dict(
            multi_weights_strategy_1.as_dict())

        self.assertTrue(
            multi_weights_strategy_1 == multi_weights_strategy_1_from_dict)
        self.assertFalse(simplest_strategy_1 == multi_weights_strategy_1)
        self.assertFalse(multi_weights_strategy_1 == multi_weights_strategy_2)
        self.assertFalse(multi_weights_strategy_1 == multi_weights_strategy_3)
        self.assertFalse(multi_weights_strategy_2 == multi_weights_strategy_3)
Exemplo n.º 4
0
    def test_self_csms_weight(self):
        # Get the StructureEnvironments for K2NaNb2Fe7Si8H4O31 (mp-743972)
        f = open(os.path.join(se_files_dir, 'se_mp-743972.json'), 'r')
        dd = json.load(f)
        f.close()
        se = StructureEnvironments.from_dict(dd)

        # Get neighbors sets for which we get the weights
        cn_maps = [(12, 3), (12, 2), (13, 2), (12, 0), (12, 1)]
        nbsets = {cn_map: se.neighbors_sets[0][cn_map[0]][cn_map[1]] for cn_map in cn_maps}

        effective_csm_estimator = {'function': 'power2_inverse_decreasing',
                                   'options': {'max_csm': 8.0}}
        weight_estimator = {'function': 'power2_decreasing_exp',
                            'options': {'max_csm': 8.0,
                                        'alpha': 1.0}}
        weight_estimator2 = {'function': 'power2_decreasing_exp',
                             'options': {'max_csm': 8.1,
                                         'alpha': 1.0}}
        symmetry_measure_type = 'csm_wcs_ctwcc'
        self_weight = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                         weight_estimator=weight_estimator,
                                         symmetry_measure_type=symmetry_measure_type)
        self_weight2 = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                          weight_estimator=weight_estimator2,
                                          symmetry_measure_type=symmetry_measure_type)
        self.assertNotEqual(self_weight, self_weight2)

        additional_info = {}
        cn_map = (12, 3)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.11671945916431022, delta=1e-8)
        cn_map = (12, 2)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (12, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (12, 1)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.0, delta=1e-8)
        cn_map = (13, 2)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.14204073172729198, delta=1e-8)

        # Get the StructureEnvironments for SiO2 (mp-7000)
        f = open(os.path.join(se_files_dir, 'se_mp-7000.json'), 'r')
        dd = json.load(f)
        f.close()
        se = StructureEnvironments.from_dict(dd)

        # Get neighbors sets for which we get the weights
        cn_maps = [(2, 0), (4, 0)]
        nbsets = {cn_map: se.neighbors_sets[6][cn_map[0]][cn_map[1]] for cn_map in cn_maps}

        effective_csm_estimator = {'function': 'power2_inverse_decreasing',
                                   'options': {'max_csm': 8.0}}

        weight_estimator = {'function': 'power2_decreasing_exp',
                            'options': {'max_csm': 8.0,
                                        'alpha': 1.0}}
        symmetry_measure_type = 'csm_wcs_ctwcc'
        self_weight = SelfCSMNbSetWeight(effective_csm_estimator=effective_csm_estimator,
                                         weight_estimator=weight_estimator,
                                         symmetry_measure_type=symmetry_measure_type)

        additional_info = {}
        cn_map = (2, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.8143992162836029, delta=1e-8)
        cn_map = (4, 0)
        self_w = self_weight.weight(nb_set=nbsets[cn_map], structure_environments=se,
                                    cn_map=cn_map, additional_info=additional_info)
        self.assertAlmostEqual(self_w, 0.99629742352359496, delta=1e-8)
    def get_weights(self, weights_options):
        effective_csm_estimator = {
            'function': 'power2_inverse_decreasing',
            'options': {
                'max_csm': 8.0
            }
        }

        self_weight_estimator = {
            'function': 'power2_decreasing_exp',
            'options': {
                'max_csm': 5.4230949041608305,
                'alpha': 1.0
            }
        }

        self_csm_weight = SelfCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator,
            weight_estimator=self_weight_estimator)

        surface_definition = {
            'type': 'standard_elliptic',
            'distance_bounds': {
                'lower': 1.05,
                'upper': 2.0
            },
            'angle_bounds': {
                'lower': 0.05,
                'upper': 0.95
            }
        }

        da_area_weight = DistanceAngleAreaNbSetWeight(
            weight_type='has_intersection',
            surface_definition=surface_definition,
            nb_sets_from_hints='fallback_to_source',
            other_nb_sets='0_weight',
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB)

        weight_estimator = {
            'function': 'smootherstep',
            'options': {
                'delta_csm_min': 0.5,
                'delta_csm_max': 3.0
            }
        }

        symmetry_measure_type = 'csm_wcs_ctwcc'
        delta_csm_weight = DeltaCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator,
            weight_estimator=weight_estimator,
            symmetry_measure_type=symmetry_measure_type)

        bias_weight = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0,
                                                             weight_cn13=4.0)
        angle_weight = AngleNbSetWeight()

        nad_weight = NormalizedAngleDistanceNbSetWeight(
            average_type='geometric', aa=1, bb=1)

        weights = {
            'DistAngArea': da_area_weight,
            'SelfCSM': self_csm_weight,
            'DeltaCSM': delta_csm_weight,
            'CNBias': bias_weight,
            'Angle': angle_weight,
            'NormalizedAngDist': nad_weight
        }

        return weights
Exemplo n.º 6
0
    def test_strategies(self):
        simplest_strategy_1 = SimplestChemenvStrategy()
        simplest_strategy_2 = SimplestChemenvStrategy(distance_cutoff=1.5,
                                                      angle_cutoff=0.5)
        self.assertFalse(simplest_strategy_1 == simplest_strategy_2)
        simplest_strategy_1_from_dict = SimplestChemenvStrategy.from_dict(
            simplest_strategy_1.as_dict())
        self.assertTrue(simplest_strategy_1, simplest_strategy_1_from_dict)

        effective_csm_estimator = {
            'function': 'power2_inverse_decreasing',
            'options': {
                'max_csm': 8.0
            }
        }
        self_csm_weight = SelfCSMNbSetWeight()
        surface_definition = {
            'type': 'standard_elliptic',
            'distance_bounds': {
                'lower': 1.1,
                'upper': 1.9
            },
            'angle_bounds': {
                'lower': 0.1,
                'upper': 0.9
            }
        }
        surface_definition_2 = {
            'type': 'standard_elliptic',
            'distance_bounds': {
                'lower': 1.1,
                'upper': 1.9
            },
            'angle_bounds': {
                'lower': 0.1,
                'upper': 0.95
            }
        }
        da_area_weight = DistanceAngleAreaNbSetWeight(
            weight_type='has_intersection',
            surface_definition=surface_definition,
            nb_sets_from_hints='fallback_to_source',
            other_nb_sets='0_weight',
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB)
        da_area_weight_2 = DistanceAngleAreaNbSetWeight(
            weight_type='has_intersection',
            surface_definition=surface_definition_2,
            nb_sets_from_hints='fallback_to_source',
            other_nb_sets='0_weight',
            additional_condition=DistanceAngleAreaNbSetWeight.AC.ONLY_ACB)
        weight_estimator = {
            'function': 'smootherstep',
            'options': {
                'delta_csm_min': 0.5,
                'delta_csm_max': 3.0
            }
        }
        symmetry_measure_type = 'csm_wcs_ctwcc'
        delta_weight = DeltaCSMNbSetWeight(
            effective_csm_estimator=effective_csm_estimator,
            weight_estimator=weight_estimator,
            symmetry_measure_type=symmetry_measure_type)
        bias_weight = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0,
                                                             weight_cn13=4.0)
        bias_weight_2 = CNBiasNbSetWeight.linearly_equidistant(weight_cn1=1.0,
                                                               weight_cn13=5.0)
        angle_weight = AngleNbSetWeight()
        nad_weight = NormalizedAngleDistanceNbSetWeight(
            average_type='geometric', aa=1, bb=1)
        multi_weights_strategy_1 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type)
        multi_weights_strategy_2 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight_2,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type)
        multi_weights_strategy_3 = MultiWeightsChemenvStrategy(
            dist_ang_area_weight=da_area_weight_2,
            self_csm_weight=self_csm_weight,
            delta_csm_weight=delta_weight,
            cn_bias_weight=bias_weight,
            angle_weight=angle_weight,
            normalized_angle_distance_weight=nad_weight,
            symmetry_measure_type=symmetry_measure_type)
        multi_weights_strategy_1_from_dict = MultiWeightsChemenvStrategy.from_dict(
            multi_weights_strategy_1.as_dict())

        self.assertTrue(
            multi_weights_strategy_1 == multi_weights_strategy_1_from_dict)
        self.assertFalse(simplest_strategy_1 == multi_weights_strategy_1)
        self.assertFalse(multi_weights_strategy_1 == multi_weights_strategy_2)
        self.assertFalse(multi_weights_strategy_1 == multi_weights_strategy_3)
        self.assertFalse(multi_weights_strategy_2 == multi_weights_strategy_3)