def test_select_within_fault_distance(self):
        '''
        Tests the selection of events within a distance from the fault
        '''
        # Set up catalouge
        self.catalogue = Catalogue()
        self.catalogue.data['longitude'] = np.arange(0., 5.5, 0.5)
        self.catalogue.data['latitude'] = np.arange(0., 5.5, 0.5)
        self.catalogue.data['depth'] = np.zeros(11, dtype=float)
        self.catalogue.data['eventID'] = np.arange(0, 11, 1)
        self.fault_source = mtkSimpleFaultSource('101', 'A simple fault')
        trace_as_line = line.Line(
            [point.Point(2.0, 3.0),
             point.Point(3.0, 2.0)])
        self.fault_source.create_geometry(trace_as_line, 30., 0., 30.)
        selector0 = CatalogueSelector(self.catalogue)

        # Test 1 - simple case Joyner-Boore distance
        self.fault_source.select_catalogue(selector0, 40.)
        np.testing.assert_array_almost_equal(
            np.array([2., 2.5]), self.fault_source.catalogue.data['longitude'])
        np.testing.assert_array_almost_equal(
            np.array([2., 2.5]), self.fault_source.catalogue.data['latitude'])

        # Test 2 - simple case Rupture distance
        self.fault_source.catalogue = None
        self.fault_source.select_catalogue(selector0, 40., 'rupture')
        np.testing.assert_array_almost_equal(
            np.array([2.5]), self.fault_source.catalogue.data['longitude'])
        np.testing.assert_array_almost_equal(
            np.array([2.5]), self.fault_source.catalogue.data['latitude'])

        # Test 3 - for vertical fault ensure that Joyner-Boore distance
        # behaviour is the same as for rupture distance
        fault1 = mtkSimpleFaultSource('102', 'A vertical fault')
        fault1.create_geometry(trace_as_line, 90., 0., 30.)
        self.fault_source.create_geometry(trace_as_line, 90., 0., 30.)

        # Joyner-Boore
        self.fault_source.select_catalogue(selector0, 40.)
        # Rupture
        fault1.select_catalogue(selector0, 40., 'rupture')
        np.testing.assert_array_almost_equal(
            self.fault_source.catalogue.data['longitude'],
            fault1.catalogue.data['longitude'])
        np.testing.assert_array_almost_equal(
            self.fault_source.catalogue.data['latitude'],
            fault1.catalogue.data['latitude'])

        # The usual test to ensure error is raised when no events in catalogue
        self.catalogue = Catalogue()
        selector0 = CatalogueSelector(self.catalogue)
        with self.assertRaises(ValueError) as ver:
            self.fault_source.select_catalogue(selector0, 40.0)
        self.assertEqual(ver.exception.message,
                         'No events found in catalogue!')
Beispiel #2
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    def test_select_catalogue(self):
        '''
        Tests the select_catalogue function - essentially a wrapper to the
        two selection functions
        '''
        self.point_source = mtkPointSource('101', 'A Point Source')
        simple_point = Point(4.5, 4.5)
        self.point_source.create_geometry(simple_point, 0., 30.)

        # Bad case - no events in catalogue
        self.catalogue = Catalogue()
        selector0 = CatalogueSelector(self.catalogue)

        with self.assertRaises(ValueError) as ver:
            self.point_source.select_catalogue(selector0, 100.)
            self.assertEqual(ver.exception.message,
                             'No events found in catalogue!')

        # Create a catalogue
        self.catalogue = Catalogue()
        self.catalogue.data['eventID'] = np.arange(0, 7, 1)
        self.catalogue.data['longitude'] = np.arange(4.0, 7.5, 0.5)
        self.catalogue.data['latitude'] = np.arange(4.0, 7.5, 0.5)
        self.catalogue.data['depth'] = np.ones(7, dtype=float)
        selector0 = CatalogueSelector(self.catalogue)

        # To ensure that square function is called - compare against direct instance
        # First implementation - compare select within distance
        self.point_source.select_catalogue_within_distance(selector0,
                                                           100.,
                                                           'epicentral')
        expected_catalogue = deepcopy(self.point_source.catalogue)
        self.point_source.catalogue = None  # Reset catalogue
        self.point_source.select_catalogue(selector0, 100., 'circle')
        np.testing.assert_array_equal(
            self.point_source.catalogue.data['eventID'],
            expected_catalogue.data['eventID'])

        # Second implementation  - compare select within cell
        expected_catalogue = None
        self.point_source.select_catalogue_within_cell(selector0, 150.)
        expected_catalogue = deepcopy(self.point_source.catalogue)
        self.point_source.catalogue = None  # Reset catalogue
        self.point_source.select_catalogue(selector0, 150., 'square')
        np.testing.assert_array_equal(
            self.point_source.catalogue.data['eventID'],
            expected_catalogue.data['eventID'])

        # Finally ensure error is raised when input is neither 'circle' nor 'square'
        with self.assertRaises(ValueError) as ver:
            self.point_source.select_catalogue(selector0, 100., 'bad input')
        self.assertEqual(ver.exception.message,
                         'Unrecognised selection type for point source!')
Beispiel #3
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    def setUp(self):
        cat1 = Catalogue()
        cat1.end_year = 2000
        cat1.start_year = 1900
        cat1.data['eventID'] = [1.0, 2.0, 3.0]
        cat1.data['magnitude'] = np.array([1.0, 2.0, 3.0])

        cat2 = Catalogue()
        cat2.end_year = 1990
        cat2.start_year = 1910
        cat2.data['eventID'] = [1.0, 2.0, 3.0]
        cat2.data['magnitude'] = np.array([1.0, 2.0, 3.0])

        self.cat1 = cat1
        self.cat2 = cat2
    def test_select_within_distance(self):
        '''
        Tests the selection of earthquakes within distance of fault
        '''
        # Create fault
        self.fault_source = mtkComplexFaultSource('101', 'A complex fault')
        # Test case when input as list of nhlib.geo.line.Line
        self.fault_source.create_geometry(self.trace_line, mesh_spacing=2.0)
        self.assertIsInstance(self.fault_source.geometry, ComplexFaultSurface)

        # Create simple catalogue
        self.catalogue.data['longitude'] = np.arange(0., 4.1, 0.1)
        self.catalogue.data['latitude'] = np.arange(0., 4.1, 0.1)
        self.catalogue.data['depth'] = np.ones(41, dtype=float)
        self.catalogue.data['eventID'] = np.arange(0, 41, 1)
        selector0 = CatalogueSelector(self.catalogue)

        # Test when considering Joyner-Boore distance
        self.fault_source.select_catalogue(selector0, 50.)
        np.testing.assert_array_equal(
            self.fault_source.catalogue.data['eventID'], np.arange(2, 14, 1))

        # Test when considering rupture distance
        self.fault_source.select_catalogue(selector0, 50., 'rupture')
        np.testing.assert_array_equal(
            self.fault_source.catalogue.data['eventID'], np.arange(2, 12, 1))

        # The usual test to ensure error is raised when no events in catalogue
        self.catalogue = Catalogue()
        selector0 = CatalogueSelector(self.catalogue)
        with self.assertRaises(ValueError) as ver:
            self.fault_source.select_catalogue(selector0, 40.0)
        self.assertEqual(ver.exception.message,
                         'No events found in catalogue!')
Beispiel #5
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    def test_analysis_Frankel_comparison(self):
        '''
        To test the run_analysis function we compare test results with those
        from Frankel's fortran implementation, under the same conditions
        '''
        self.grid_limits = [-128., -113.0, 0.2, 30., 43.0, 0.2, 0., 100., 100.]
        comp_table = np.array([[1933., 4.0], [1900., 5.0], [1850., 6.0],
                               [1850., 7.0]])
        config = {'Length_Limit': 3., 'BandWidth': 50., 'increment': 0.1}
        self.model = SmoothedSeismicity(self.grid_limits, bvalue=0.8)
        self.catalogue = Catalogue()
        frankel_catalogue = np.genfromtxt(
            os.path.join(BASE_PATH, FRANKEL_TEST_CATALOGUE))
        self.catalogue.data['magnitude'] = frankel_catalogue[:, 0]
        self.catalogue.data['longitude'] = frankel_catalogue[:, 1]
        self.catalogue.data['latitude'] = frankel_catalogue[:, 2]
        self.catalogue.data['depth'] = frankel_catalogue[:, 3]
        self.catalogue.data['year'] = frankel_catalogue[:, 4]
        self.catalogue.end_year = 2006
        frankel_results = np.genfromtxt(
            os.path.join(BASE_PATH, FRANKEL_OUTPUT_FILE))
        # Run analysis
        output_data = self.model.run_analysis(
            self.catalogue,
            config,
            completeness_table=comp_table,
            smoothing_kernel=IsotropicGaussian())

        self.assertTrue(
            fabs(np.sum(output_data[:, -1]) -
                 np.sum(output_data[:, -2])) < 1.0)
        self.assertTrue(fabs(np.sum(output_data[:, -1]) - 390.) < 1.0)
Beispiel #6
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    def test_select_events_within_cell(self):
        '''
        Tests the selection of events within a cell centred on the point
        '''

        self.point_source = mtkPointSource('101', 'A Point Source')
        simple_point = Point(4.5, 4.5)
        self.point_source.create_geometry(simple_point, 0., 30.)
        self.catalogue = Catalogue()
        self.catalogue.data['eventID'] = np.arange(0, 7, 1)
        self.catalogue.data['longitude'] = np.arange(4.0, 7.5, 0.5)
        self.catalogue.data['latitude'] = np.arange(4.0, 7.5, 0.5)
        self.catalogue.data['depth'] = np.ones(7, dtype=float)
        selector0 = CatalogueSelector(self.catalogue)

        # Simple case - 200 km by 200 km cell centred on point
        self.point_source.select_catalogue_within_cell(selector0, 100.)
        np.testing.assert_array_almost_equal(
            np.array([4., 4.5, 5.]),
            self.point_source.catalogue.data['longitude'])

        np.testing.assert_array_almost_equal(
            np.array([4., 4.5, 5.]),
            self.point_source.catalogue.data['latitude'])

        np.testing.assert_array_almost_equal(
            np.array([1., 1., 1.]),
            self.point_source.catalogue.data['depth'])
Beispiel #7
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    def test_select_catalogue_rrup(self):
        """
        Tests catalogue selection with Joyner-Boore distance
        """
        self.fault = mtkActiveFault(
            '001',
            'A Fault',
            self.simple_fault,
            [(5., 0.5), (7., 0.5)],
            0.,
            None,
            msr_sigma=[(-1.5, 0.15), (0., 0.7), (1.5, 0.15)])

        cat1 = Catalogue()
        cat1.data = {"eventID": ["001", "002", "003", "004"],
                     "longitude": np.array([30.1, 30.1, 30.5, 31.5]),
                     "latitude": np.array([30.0, 30.25, 30.4, 30.5]),
                     "depth": np.array([5.0, 250.0, 10.0, 10.0])}
        selector = CatalogueSelector(cat1)
        # Select within 50 km of the fault
        self.fault.select_catalogue(selector, 50.0,
                                    distance_metric="rupture")
        np.testing.assert_array_almost_equal(
            self.fault.catalogue.data["longitude"],
            np.array([30.1, 30.5]))
        np.testing.assert_array_almost_equal(
            self.fault.catalogue.data["latitude"],
            np.array([30.0, 30.4]))
        np.testing.assert_array_almost_equal(
            self.fault.catalogue.data["depth"],
            np.array([5.0, 10.0]))
Beispiel #8
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    def test_select_within_magnitude_range(self):
        '''
        Tests the function to select within the magnitude range
        '''
        # Setup function
        self.catalogue = Catalogue()
        self.catalogue.data['magnitude'] = np.array([4., 5., 6., 7., 8.])

        selector0 = CatalogueSelector(self.catalogue)
        # Test case 1: No limits specified - all catalogue valid
        test_cat_1 = selector0.within_magnitude_range()
        np.testing.assert_array_almost_equal(test_cat_1.data['magnitude'],
                                             self.catalogue.data['magnitude'])

        # Test case 2: Lower depth limit specfied only
        test_cat_1 = selector0.within_magnitude_range(lower_mag=5.5)
        np.testing.assert_array_almost_equal(test_cat_1.data['magnitude'],
                                             np.array([6., 7., 8.]))
        # Test case 3: Upper depth limit specified only
        test_cat_1 = selector0.within_magnitude_range(upper_mag=5.5)
        np.testing.assert_array_almost_equal(test_cat_1.data['magnitude'],
                                             np.array([4., 5.]))

        # Test case 4: Both depth limits specified
        test_cat_1 = selector0.within_magnitude_range(upper_mag=7.5,
                                                      lower_mag=5.5)
        np.testing.assert_array_almost_equal(test_cat_1.data['magnitude'],
                                             np.array([6., 7.]))
Beispiel #9
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    def test_select_within_depth_range(self):
        '''
        Tests the function to select within the depth range
        '''
        # Setup function
        self.catalogue = Catalogue()
        self.catalogue.data['depth'] = np.array([5., 15., 25., 35., 45.])

        selector0 = CatalogueSelector(self.catalogue)
        # Test case 1: No limits specified - all catalogue valid
        test_cat_1 = selector0.within_depth_range()
        np.testing.assert_array_almost_equal(test_cat_1.data['depth'],
                                             self.catalogue.data['depth'])

        # Test case 2: Lower depth limit specfied only
        test_cat_1 = selector0.within_depth_range(lower_depth=30.)
        np.testing.assert_array_almost_equal(test_cat_1.data['depth'],
                                             np.array([5., 15., 25.]))
        # Test case 3: Upper depth limit specified only
        test_cat_1 = selector0.within_depth_range(upper_depth=20.)
        np.testing.assert_array_almost_equal(test_cat_1.data['depth'],
                                             np.array([25., 35., 45.]))

        # Test case 4: Both depth limits specified
        test_cat_1 = selector0.within_depth_range(upper_depth=20.,
                                                  lower_depth=40.)
        np.testing.assert_array_almost_equal(test_cat_1.data['depth'],
                                             np.array([25., 35.]))
Beispiel #10
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    def select_catalogue(self, valid_id):
        '''
        Method to post-process the catalogue based on the selection options
        :param numpy.ndarray valid_id:
            Boolean vector indicating whether each event is selected (True)
            or not (False)

        :returns:
            Catalogue of selected events as instance of
            hmtk.seismicity.catalogue.Catalogue class
        '''
        if not np.any(valid_id):
            # No events selected - create clean instance of class
            output = Catalogue()
            output.processes = self.catalogue.processes
            output

        elif np.all(valid_id):
            if self.copycat:
                output = deepcopy(self.catalogue)
            else:
                output = self.catalogue

        else:
            if self.copycat:
                output = deepcopy(self.catalogue)
            else:
                output = self.catalogue
            output.purge_catalogue(valid_id)
        return output
Beispiel #11
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 def test_load_to_array(self):
     """
     Tests the creation of a catalogue from an array and a key list
     """
     cat = Catalogue()
     cat.load_from_array(['year', 'magnitude'], self.data_array)
     data = cat.load_to_array(['year', 'magnitude'])
     self.assertTrue(np.allclose(data, self.data_array))
Beispiel #12
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 def setUp(self):
     """
     """
     self.catalogue = Catalogue()
     x, y = np.meshgrid(np.arange(5., 50., 10.), np.arange(5.5, 9.0, 1.))
     nx, ny = np.shape(x)
     self.catalogue.data['depth'] = (x.reshape([nx * ny, 1])).flatten()
     self.catalogue.data['magnitude'] = (y.reshape([nx * ny, 1])).flatten()
Beispiel #13
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 def test_load_from_array(self):
     # Tests the creation of a catalogue from an array and a key list
     cat = Catalogue()
     cat.load_from_array(['year', 'magnitude'], self.data_array)
     np.testing.assert_allclose(cat.data['magnitude'], self.data_array[:,
                                                                       1])
     np.testing.assert_allclose(cat.data['year'],
                                self.data_array[:, 0].astype(int))
Beispiel #14
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 def test_hypocentres_as_mesh(self):
     # Tests the function to render the hypocentres to a
     # hazardlib.geo.mesh.Mesh object.
     cat = Catalogue()
     cat.data['longitude'] = np.array([2., 3.])
     cat.data['latitude'] = np.array([2., 3.])
     cat.data['depth'] = np.array([2., 3.])
     self.assertTrue(isinstance(cat.hypocentres_as_mesh(), Mesh))
Beispiel #15
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 def test_load_from_array(self):
     """
     Tests the creation of a catalogue from an array and a key list
     """
     cat = Catalogue()
     cat.load_from_array(['year', 'magnitude'], self.data_array)
     self.assertTrue(
         np.allclose(cat.data['magnitude'], self.data_array[:, 1]))
     self.assertTrue(
         np.allclose(cat.data['year'], self.data_array[:, 0].astype(int)))
Beispiel #16
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 def test_catalogue_mt_filter(self):
     # Tests the catalogue magnitude-time filter
     cat = Catalogue()
     cat.load_from_array(['year', 'magnitude'], self.data_array)
     cat.data['eventID'] = np.arange(0, 7)
     cat.catalogue_mt_filter(self.mt_table)
     mag = np.array([7.0, 5.5, 5.01, 6.99])
     yea = np.array([1920, 1970, 1960, 1960])
     np.testing.assert_allclose(cat.data['magnitude'], mag)
     np.testing.assert_allclose(cat.data['year'], yea)
Beispiel #17
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 def test_update_start_end_year(self):
     # Tests the correct usage of the update start year
     cat1 = Catalogue()
     cat1.data['year'] = np.array([1900, 1950, 2000])
     # Update start year
     cat1.update_start_year()
     self.assertEqual(cat1.start_year, 1900)
     # Update end-year
     cat1.update_end_year()
     self.assertEqual(cat1.end_year, 2000)
Beispiel #18
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 def test_get_bounding_box(self):
     """
     Tests the method to return the bounding box of a catalogue
     """
     cat1 = Catalogue()
     cat1.data["longitude"] = np.array([10.0, 20.0])
     cat1.data["latitude"] = np.array([40.0, 50.0])
     bbox = cat1.get_bounding_box()
     self.assertAlmostEqual(bbox[0], 10.0)
     self.assertAlmostEqual(bbox[1], 20.0)
     self.assertAlmostEqual(bbox[2], 40.0)
     self.assertAlmostEqual(bbox[3], 50.0)
Beispiel #19
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 def test_catalogue_mt_filter_no_flag(self):
     """
     Tests the catalogue magnitude-time filter
     """
     cat = Catalogue()
     cat.load_from_array(['year','magnitude'], self.data_array)
     cat.data['eventID'] = np.arange(0, len(cat.data['magnitude']), 1)
     cat.catalogue_mt_filter(self.mt_table)
     mag = np.array([7.0, 5.5, 5.01, 6.99])
     yea = np.array([1920, 1970, 1960, 1960])
     self.assertTrue(np.allclose(cat.data['magnitude'],mag))
     self.assertTrue(np.allclose(cat.data['year'],yea))
Beispiel #20
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    def test_select_events_in_source(self):
        '''
        Basic test of method to select events from catalogue in polygon
        '''
        self.area_source = mtkAreaSource('101', 'A Source')
        simple_polygon = polygon.Polygon([
            point.Point(2.0, 3.0),
            point.Point(3.0, 3.0),
            point.Point(3.0, 2.0),
            point.Point(2.0, 2.0)
        ])

        self.catalogue.data['eventID'] = np.arange(0, 7, 1)
        self.catalogue.data['longitude'] = np.arange(1.0, 4.5, 0.5)
        self.catalogue.data['latitude'] = np.arange(1.0, 4.5, 0.5)
        self.catalogue.data['depth'] = np.ones(7, dtype=float)
        # Simple Case - No buffer
        selector0 = CatalogueSelector(self.catalogue)
        self.area_source.create_geometry(simple_polygon, 0., 30.)
        self.area_source.select_catalogue(selector0, 0.)
        np.testing.assert_array_almost_equal(
            np.array([2., 2.5, 3.]),
            self.area_source.catalogue.data['longitude'])

        np.testing.assert_array_almost_equal(
            np.array([2., 2.5, 3.]),
            self.area_source.catalogue.data['latitude'])

        np.testing.assert_array_almost_equal(
            np.array([1., 1., 1.]), self.area_source.catalogue.data['depth'])

        # Simple case - dilated by 200 km (selects all)
        self.area_source.select_catalogue(selector0, 200.)
        np.testing.assert_array_almost_equal(
            np.array([1., 1.5, 2., 2.5, 3., 3.5, 4.0]),
            self.area_source.catalogue.data['longitude'])

        np.testing.assert_array_almost_equal(
            np.array([1., 1.5, 2., 2.5, 3., 3.5, 4.0]),
            self.area_source.catalogue.data['latitude'])

        np.testing.assert_array_almost_equal(
            np.ones(7, dtype=float), self.area_source.catalogue.data['depth'])

        # Bad case - no events in catalogue
        self.catalogue = Catalogue()
        selector0 = CatalogueSelector(self.catalogue)

        with self.assertRaises(ValueError) as ver:
            self.area_source.select_catalogue(selector0, 0.0)
            self.assertEqual(ver.exception.message,
                             'No events found in catalogue!')
Beispiel #21
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 def setUp(self):
     warnings.simplefilter("ignore")
     self.catalogue = Catalogue()
     self.fault_source = None
     self.trace_line = [line.Line([point.Point(1.0, 0.0, 1.0),
                                  point.Point(0.0, 1.0, 0.9)])]
     self.trace_line.append(line.Line([point.Point(1.2, 0.0, 40.),
                                       point.Point(1.0, 1.0, 45.),
                                       point.Point(0.0, 1.3, 42.)]))
     self.trace_array = [np.array([[1.0, 0.0, 1.0], [0.0, 1.0, 0.9]])]
     self.trace_array.append(np.array([[1.2, 0.0, 40.],
                                       [1.0, 1.0, 45.],
                                       [0.0, 1.3, 42.]]))
Beispiel #22
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 def setUp(self):
     self.catalogue = Catalogue()
     x, y = np.meshgrid(np.arange(1915., 2010., 10.),
                        np.arange(5.5, 9.0, 1.0))
     nx, ny = np.shape(x)
     self.catalogue.data['magnitude'] = (y.reshape([nx * ny, 1])).flatten()
     x = (x.reshape([nx * ny, 1])).flatten()
     self.catalogue.data['year'] = x.astype(int)
     self.catalogue.data['month'] = np.ones_like(x, dtype=int)
     self.catalogue.data['day'] = np.ones_like(x, dtype=int)
     self.catalogue.data['hour'] = np.ones_like(x, dtype=int)
     self.catalogue.data['minute'] = np.ones_like(x, dtype=int)
     self.catalogue.data['second'] = np.ones_like(x, dtype=float)
Beispiel #23
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    def test_purge_catalogue(self):
        # Tests the function to purge the catalogue of invalid events
        cat1 = Catalogue()
        cat1.data['eventID'] = np.array([100, 101, 102], dtype=int)
        cat1.data['magnitude'] = np.array([4., 5., 6.], dtype=float)
        cat1.data['Agency'] = ['XXX', 'YYY', 'ZZZ']

        flag_vector = np.array([False, True, False])
        cat1.purge_catalogue(flag_vector)
        np.testing.assert_array_almost_equal(cat1.data['magnitude'],
                                             np.array([5.]))
        np.testing.assert_array_equal(cat1.data['eventID'], np.array([101]))
        self.assertListEqual(cat1.data['Agency'], ['YYY'])
Beispiel #24
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 def test_catalogue_mt_filter_with_flag(self):
     '''
     Tests the catalogue magnitude-time filter when an input boolean vector
     is also defined
     '''
     cat = Catalogue()
     cat.load_from_array(['year','magnitude'], self.data_array)
     cat.data['eventID'] = np.arange(0, len(cat.data['magnitude']), 1)
     flag = np.array([1, 1, 1, 1, 1, 0, 1], dtype=bool)
     cat.catalogue_mt_filter(self.mt_table, flag)
     mag = np.array([7.0, 5.5, 6.99])
     yea = np.array([1920, 1970, 1960])
     self.assertTrue(np.allclose(cat.data['magnitude'],mag))
     self.assertTrue(np.allclose(cat.data['year'],yea))
Beispiel #25
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 def test_hypocentres_to_cartesian(self):
     # Tests the function to render the hypocentres to a cartesian array.
     # The invoked function nhlib.geo.utils.spherical_to_cartesian is
     # tested as part of the nhlib suite. The test here is included for
     # coverage
     cat = Catalogue()
     cat.data['longitude'] = np.array([2., 3.])
     cat.data['latitude'] = np.array([2., 3.])
     cat.data['depth'] = np.array([2., 3.])
     expected_data = spherical_to_cartesian(cat.data['longitude'],
                                            cat.data['latitude'],
                                            cat.data['depth'])
     model_output = cat.hypocentres_to_cartesian()
     np.testing.assert_array_almost_equal(expected_data, model_output)
Beispiel #26
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 def setUp(self):
     '''
     '''
     self.output_filename = os.path.join(os.path.dirname(__file__),
                                         'TEST_OUTPUT_CATALOGUE.csv')
     print(self.output_filename)
     self.catalogue = Catalogue()
     self.catalogue.data['eventID'] = ['1', '2', '3', '4', '5']
     self.catalogue.data['magnitude'] = np.array([5.6, 5.4, 4.8, 4.3, 5.])
     self.catalogue.data['year'] = np.array([1960, 1965, 1970, 1980, 1990])
     self.catalogue.data['ErrorStrike'] = np.array(
         [np.nan, np.nan, np.nan, np.nan, np.nan])
     self.magnitude_table = np.array([[1990., 4.5], [1970., 5.5]])
     self.flag = np.array([1, 1, 1, 1, 0], dtype=bool)
Beispiel #27
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    def test_get_3d_grid(self):
        '''
        Tests the module to count the events in a 3D grid
        '''
        comp_table = np.array([[1960., 4.0]])
        self.catalogue = Catalogue()
        self.catalogue.data['longitude'] = np.hstack(
            [np.arange(35., 41.0, 1.0),
             np.arange(35., 41.0, 1.0)])
        self.catalogue.data['latitude'] = np.hstack(
            [np.arange(40., 46.0, 1.0),
             np.arange(40., 46.0, 1.0)])
        self.catalogue.data['depth'] = np.hstack(
            [10.0 * np.ones(6), 30.0 * np.ones(6)])
        self.catalogue.data['magnitude'] = 4.5 * np.ones(12)
        self.catalogue.data['year'] = 1990. * np.ones(12)

        # Case 1 - one depth layer
        self.grid_limits = Grid.make_from_list(
            [35.0, 40., 0.5, 40.0, 45., 0.5, 0., 40., 40.])
        self.model = SmoothedSeismicity(self.grid_limits, bvalue=1.0)
        [gx, gy] = np.meshgrid(np.arange(35.25, 40., 0.5),
                               np.arange(40.25, 45., 0.5))
        ngp = np.shape(gx)[0] * np.shape(gy)[1]
        gx = np.reshape(gx, [ngp, 1])
        gy = np.reshape(gy, [ngp, 1])
        gz = 20. * np.ones(ngp)
        expected_count = np.zeros(ngp, dtype=float)
        expected_count[[9, 28, 46, 64, 82, 90]] = 2.0
        expected_result = np.column_stack(
            [gx, np.flipud(gy), gz, expected_count])
        self.model.create_3D_grid(self.catalogue, comp_table)
        np.testing.assert_array_almost_equal(expected_result, self.model.data)

        # Case 2 - multiple depth layers
        self.grid_limits = Grid.make_from_list(
            [35.0, 40., 0.5, 40., 45., 0.5, 0., 40., 20.])
        self.model = SmoothedSeismicity(self.grid_limits, bvalue=1.0)
        expected_result = np.vstack([expected_result, expected_result])
        expected_count = np.zeros(200)
        expected_count[[9, 28, 46, 64, 82, 90, 109, 128, 146, 164, 182,
                        190]] = 1.0
        expected_result[:, -1] = expected_count
        expected_result[:, 2] = np.hstack(
            [10. * np.ones(100), 30. * np.ones(100)])
        self.model.create_3D_grid(self.catalogue, comp_table)
        np.testing.assert_array_almost_equal(expected_result, self.model.data)
Beispiel #28
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    def test_catalogue_writer_only_mag_table_purging(self):
        '''
        Tests the writer only purging according to the magnitude table
        '''
        # Write to file
        writer = CsvCatalogueWriter(self.output_filename)
        writer.write_file(self.catalogue, magnitude_table=self.magnitude_table)
        parser = CsvCatalogueParser(self.output_filename)
        cat2 = parser.read_file()

        expected_catalogue = Catalogue()
        expected_catalogue.data['eventID'] = ['1', '3', '5']
        expected_catalogue.data['magnitude'] = np.array([5.6, 4.8, 5.0])
        expected_catalogue.data['year'] = np.array([1960, 1970, 1990])
        expected_catalogue.data['ErrorStrike'] = np.array(
            [np.nan, np.nan, np.nan])
        self.check_catalogues_are_equal(expected_catalogue, cat2)
Beispiel #29
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    def test_catalogue_writer_only_flag_purging(self):
        '''
        Tests the writer only purging according to the flag
        '''
        # Write to file
        writer = CsvCatalogueWriter(self.output_filename)
        writer.write_file(self.catalogue, flag_vector=self.flag)
        parser = CsvCatalogueParser(self.output_filename)
        cat2 = parser.read_file()

        expected_catalogue = Catalogue()
        expected_catalogue.data['eventID'] = ['1', '2', '3', '4']
        expected_catalogue.data['magnitude'] = np.array([5.6, 5.4, 4.8, 4.3])
        expected_catalogue.data['year'] = np.array([1960, 1965, 1970, 1980])
        expected_catalogue.data['ErrorStrike'] = np.array(
            [np.nan, np.nan, np.nan, np.nan])
        self.check_catalogues_are_equal(expected_catalogue, cat2)
Beispiel #30
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    def test_catalogue_writer_both_purging(self):
        '''
        Tests the writer only purging according to the magnitude table and
        the flag vector
        '''
        # Write to file
        writer = CsvCatalogueWriter(self.output_filename)
        writer.write_file(self.catalogue,
                          flag_vector=self.flag,
                          magnitude_table=self.magnitude_table)
        parser = CsvCatalogueParser(self.output_filename)
        cat2 = parser.read_file()

        expected_catalogue = Catalogue()
        expected_catalogue.data['eventID'] = np.array([1, 3])
        expected_catalogue.data['magnitude'] = np.array([5.6, 4.8])
        expected_catalogue.data['year'] = np.array([1960, 1970])
        expected_catalogue.data['ErrorStrike'] = np.array([np.nan, np.nan])
        self.check_catalogues_are_equal(expected_catalogue, cat2)