Beispiel #1
0
    def test_get_mmax(self):
        '''
        Tests the function to get Mmax
        Values come from WC1994 (tested in openquake.hazardlib) - only
        functionality is tested for here!
        '''
        # Case 1 MMmax and uncertainty specified in config
        self.config['Maximum_Magnitude'] = 8.0
        self.config['Maximum_Magnitude_Uncertainty'] = 0.2

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 8.0)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.2)

        # Case 2: Mmax and uncertainty not specified in config
        self.config['Maximum_Magnitude'] = None
        self.config['Maximum_Magnitude_Uncertainty'] = None

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 7.9880073)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.23)
    def test_get_mmax(self):
        '''
        Tests the function to get Mmax
        Values come from WC1994 (tested in openquake.hazardlib) - only 
        functionality is tested for here!
        '''
        # Case 1 MMmax and uncertainty specified in config
        self.config['Maximum_Magnitude'] = 8.0
        self.config['Maximum_Magnitude_Uncertainty'] = 0.2

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 8.0)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.2)

        # Case 2: Mmax and uncertainty not specified in config
        self.config['Maximum_Magnitude'] = None
        self.config['Maximum_Magnitude_Uncertainty'] = None
         
        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 7.9880073)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.23)
Beispiel #3
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    def test_get_mfd(self):
        '''
        Tests the calculation of activity rates for the simple
        characteristic earthquake distribution.

        '''

        # Test case 1: Ordinatry fault with Area 8500 km ** 2 (Mmax ~ 8.0),
        # and a slip rate of 5 mm/yr. Double truncated Gaussian between [-2, 2]
        # standard deviations with sigma = 0.12
        self.config = {'MFD_spacing': 0.1,
                       'Model_Weight': 1.0,
                       'Maximum_Magnitude': None,
                       'Maximum_Uncertainty': None,
                       'Lower_Bound': -2.,
                       'Upper_Bound': 2.,
                       'Sigma': 0.12}
        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        aaae(self.model.occurrence_rate,
             np.array([4.20932867e-05, 2.10890168e-04, 3.80422666e-04,
                       3.56294331e-04, 1.73223702e-04, 2.14781079e-05]))
        expected_rate = np.sum(self.model.occurrence_rate)
        # Test case 2: Same fault with no standard deviation
        self.config['Sigma'] = None
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        aaae(0.0011844, self.model.occurrence_rate)
        # As a final check - ensure that the sum of the activity rates from the
        # truncated Gaussian model is equal to the rate from the model with no
        # variance
        aaae(expected_rate, self.model.occurrence_rate, 3)
Beispiel #4
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 def setUp(self):
     '''
     '''
     self.model = Characteristic()
     self.config = {'MFD_spacing': 0.1,
                    'Model_Weight': 1.0,
                    'Maximum_Magnitude': None,
                    'Maximum_Uncertainty': None,
                    'Lower_Bound': -2.,
                    'Upper_Bound': 2.,
                    'Sigma': None}
     self.msr = WC1994()
Beispiel #5
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    def test_get_recurrence_simple_characteristic(self):
        '''
        Tests the function to get the recurrence calculation for a simple
        characteristic earthquake
        '''
        self.mfd_config = {'MFD_spacing': 0.1,
                           'Model_Name': 'Characteristic',
                           'Model_Weight': 1.0,
                           'Maximum_Magnitude': None,
                           'Maximum_Uncertainty': None,
                           'Lower_Bound': -2.,
                           'Upper_Bound': 2., 'Sigma': 0.12}

        self.model = RecurrenceBranch(8500., 5., WC1994(), 0., 30.)
        self.model.get_recurrence(self.mfd_config)
        # Test the same process using just the hmtk.faults.mfd.characteristic
        # Implementation
        test_model = Characteristic()
        test_model.setUp(self.mfd_config)
        test_model.get_mmax(self.mfd_config, WC1994(), 0., 8500.)
        _ = test_model.get_mfd(5.0, 8500., 30.)
        self.assertTrue(isinstance(self.model.recurrence, IncrementalMFD))
        self.assertAlmostEqual(self.model.recurrence.min_mag,
                               test_model.mmin)
        self.assertAlmostEqual(self.model.recurrence.bin_width,
                               test_model.bin_width)
        np.testing.assert_array_almost_equal(self.model.recurrence.occur_rates,
                                             test_model.occurrence_rate)
 def setUp(self):
     '''
     '''
     self.model = Characteristic()
     self.config = {'MFD_spacing': 0.1,
                   'Model_Weight': 1.0,
                   'Maximum_Magnitude': None,
                   'Maximum_Uncertainty': None,
                   'Lower_Bound': -2.,
                   'Upper_Bound': 2.,
                   'Sigma': None}
     self.msr = WC1994()
class TestSimpleCharacteristic(unittest.TestCase):
    '''
    Implements the basic set of tests for the simple estimator of the 
    characteristic earthquake for a fault
    :class hmtk.faults.mfd.characteristic.Characteristic
    '''
    def setUp(self):
        '''
        '''
        self.model = Characteristic()
        self.config = {'MFD_spacing': 0.1,
                      'Model_Weight': 1.0,
                      'Maximum_Magnitude': None,
                      'Maximum_Uncertainty': None,
                      'Lower_Bound': -2.,
                      'Upper_Bound': 2.,
                      'Sigma': None}
        self.msr = WC1994()
        
    def test_model_setup(self):
        '''
        Simple test to ensure model sets up correctly
        '''
        self.model.setUp(self.config)
        expected_dict = {'bin_width': 0.1,
                         'lower_bound': -2.0,
                         'mfd_model': 'Characteristic',
                         'mfd_weight': 1.0,
                         'mmax': None,
                         'mmax_sigma': None,
                         'mmin': None,
                         'occurrence_rate': None,
                         'sigma': None,
                         'upper_bound': 2.0}
        self.assertDictEqual(self.model.__dict__, expected_dict)
        
    
    def test_get_mmax(self):
        '''
        Tests the function to get Mmax
        Values come from WC1994 (tested in openquake.hazardlib) - only 
        functionality is tested for here!
        '''
        # Case 1 MMmax and uncertainty specified in config
        self.config['Maximum_Magnitude'] = 8.0
        self.config['Maximum_Magnitude_Uncertainty'] = 0.2

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 8.0)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.2)

        # Case 2: Mmax and uncertainty not specified in config
        self.config['Maximum_Magnitude'] = None
        self.config['Maximum_Magnitude_Uncertainty'] = None
         
        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 7.9880073)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.23)
    
    def test_get_mfd(self):
        '''
        Tests the calculation of activity rates for the simple
        characteristic earthquake distribution.
        
        '''
        
        # Test case 1: Ordinatry fault with Area 8500 km ** 2 (Mmax ~ 8.0), and a slip
        # rate of 5 mm/yr. Double truncated Gaussian between [-2, 2] standard 
        # deviations with sigma = 0.12
        self.config = {'MFD_spacing': 0.1,
                      'Model_Weight': 1.0,
                      'Maximum_Magnitude': None,
                      'Maximum_Uncertainty': None,
                      'Lower_Bound': -2.,
                      'Upper_Bound': 2.,
                      'Sigma': 0.12}
        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        np.testing.assert_array_almost_equal(
            self.model.occurrence_rate,
            np.array([4.20932867e-05, 2.10890168e-04, 3.80422666e-04, 
                      3.56294331e-04, 1.73223702e-04, 2.14781079e-05]))
        expected_rate = np.sum(self.model.occurrence_rate)
        # Test case 2: Same fault with no standard deviation
        self.config['Sigma'] = None
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        self.assertAlmostEqual(0.0011844, self.model.occurrence_rate)
        # As a final check - ensure that the sum of the activity rates from the 
        # truncated Gaussian model is equal to the rate from the model with no 
        # variance
        self.assertAlmostEqual(expected_rate, self.model.occurrence_rate, 3)
Beispiel #8
0
class TestSimpleCharacteristic(unittest.TestCase):
    '''
    Implements the basic set of tests for the simple estimator of the
    characteristic earthquake for a fault
    :class hmtk.faults.mfd.characteristic.Characteristic
    '''
    def setUp(self):
        '''
        '''
        self.model = Characteristic()
        self.config = {
            'MFD_spacing': 0.1,
            'Model_Weight': 1.0,
            'Maximum_Magnitude': None,
            'Maximum_Uncertainty': None,
            'Lower_Bound': -2.,
            'Upper_Bound': 2.,
            'Sigma': None
        }
        self.msr = WC1994()

    def test_model_setup(self):
        '''
        Simple test to ensure model sets up correctly
        '''
        self.model.setUp(self.config)
        expected_dict = {
            'bin_width': 0.1,
            'lower_bound': -2.0,
            'mfd_model': 'Characteristic',
            'mfd_weight': 1.0,
            'mmax': None,
            'mmax_sigma': None,
            'mmin': None,
            'occurrence_rate': None,
            'sigma': None,
            'upper_bound': 2.0
        }
        self.assertDictEqual(self.model.__dict__, expected_dict)

    def test_get_mmax(self):
        '''
        Tests the function to get Mmax
        Values come from WC1994 (tested in openquake.hazardlib) - only
        functionality is tested for here!
        '''
        # Case 1 MMmax and uncertainty specified in config
        self.config['Maximum_Magnitude'] = 8.0
        self.config['Maximum_Magnitude_Uncertainty'] = 0.2

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 8.0)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.2)

        # Case 2: Mmax and uncertainty not specified in config
        self.config['Maximum_Magnitude'] = None
        self.config['Maximum_Magnitude_Uncertainty'] = None

        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        self.assertAlmostEqual(self.model.mmax, 7.9880073)
        self.assertAlmostEqual(self.model.mmax_sigma, 0.23)

    def test_get_mfd(self):
        '''
        Tests the calculation of activity rates for the simple
        characteristic earthquake distribution.

        '''

        # Test case 1: Ordinatry fault with Area 8500 km ** 2 (Mmax ~ 8.0), and a slip
        # rate of 5 mm/yr. Double truncated Gaussian between [-2, 2] standard
        # deviations with sigma = 0.12
        self.config = {
            'MFD_spacing': 0.1,
            'Model_Weight': 1.0,
            'Maximum_Magnitude': None,
            'Maximum_Uncertainty': None,
            'Lower_Bound': -2.,
            'Upper_Bound': 2.,
            'Sigma': 0.12
        }
        self.model = Characteristic()
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        np.testing.assert_array_almost_equal(
            self.model.occurrence_rate,
            np.array([
                4.20932867e-05, 2.10890168e-04, 3.80422666e-04, 3.56294331e-04,
                1.73223702e-04, 2.14781079e-05
            ]))
        expected_rate = np.sum(self.model.occurrence_rate)
        # Test case 2: Same fault with no standard deviation
        self.config['Sigma'] = None
        self.model.setUp(self.config)
        self.model.get_mmax(self.config, self.msr, 0., 8500.)
        _, _, _ = self.model.get_mfd(5.0, 8500.)
        self.assertAlmostEqual(0.0011844, self.model.occurrence_rate)
        # As a final check - ensure that the sum of the activity rates from the
        # truncated Gaussian model is equal to the rate from the model with no
        # variance
        self.assertAlmostEqual(expected_rate, self.model.occurrence_rate, 3)