示例#1
0
    def test_non_parametric_source(self):
        # non-parametric source equivalent to case 2 simple fault source
        data = test_data.SET1_CASE2_SOURCE_DATA
        ruptures = []
        for i in range(data['num_rups_dip']):
            for j in range(data['num_rups_strike']):
                lons = data['lons']
                lats = data['lats'][j]
                depths = data['depths'][i]
                mesh = RectangularMesh(lons, lats, depths)
                surf = SimpleFaultSurface(mesh)
                hypo = Point(
                    data['hypo_lons'][i, j],
                    data['hypo_lats'][i, j],
                    data['hypo_depths'][i, j]
                )
                rup = BaseRupture(data['mag'], data['rake'],
                                  data['tectonic_region_type'], hypo, surf,
                                  data['source_typology'])
                ruptures.append((rup, data['pmf']))
        npss = NonParametricSeismicSource(
            'id', 'name', data['tectonic_region_type'], ruptures
        )
        sites = SiteCollection([
            test_data.SET1_CASE1TO9_SITE1, test_data.SET1_CASE1TO9_SITE2,
            test_data.SET1_CASE1TO9_SITE3, test_data.SET1_CASE1TO9_SITE4,
            test_data.SET1_CASE1TO9_SITE5, test_data.SET1_CASE1TO9_SITE6,
            test_data.SET1_CASE1TO9_SITE7
        ])
        gsims = {const.TRT.ACTIVE_SHALLOW_CRUST: SadighEtAl1997()}
        truncation_level = 0
        imts = {str(test_data.IMT): test_data.SET1_CASE2_IMLS}

        curves = calc_hazard_curves(
            [npss], sites, imts, gsims, truncation_level)
        s1hc, s2hc, s3hc, s4hc, s5hc, s6hc, s7hc = curves[str(test_data.IMT)]

        assert_hazard_curve_is(self, s1hc, test_data.SET1_CASE2_SITE1_POES,
                               atol=3e-3, rtol=1e-5)
        assert_hazard_curve_is(self, s2hc, test_data.SET1_CASE2_SITE2_POES,
                               atol=2e-5, rtol=1e-5)
        assert_hazard_curve_is(self, s3hc, test_data.SET1_CASE2_SITE3_POES,
                               atol=2e-5, rtol=1e-5)
        assert_hazard_curve_is(self, s4hc, test_data.SET1_CASE2_SITE4_POES,
                               atol=1e-3, rtol=1e-5)
        assert_hazard_curve_is(self, s5hc, test_data.SET1_CASE2_SITE5_POES,
                               atol=1e-3, rtol=1e-5)
        assert_hazard_curve_is(self, s6hc, test_data.SET1_CASE2_SITE6_POES,
                               atol=1e-3, rtol=1e-5)
        assert_hazard_curve_is(self, s7hc, test_data.SET1_CASE2_SITE7_POES,
                               atol=2e-5, rtol=1e-5)
示例#2
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def _construct_surface(lons, lats, upper_depth, lower_depth):
    """
    Utility method that constructs and return a simple fault surface with top
    edge specified by `lons` and `lats` and extending vertically from
    `upper_depth` to `lower_depth`.

    The underlying mesh is built by repeating the same coordinates
    (`lons` and `lats`) at the two specified depth levels.
    """
    depths = np.array(
        [np.zeros_like(lons) + upper_depth,
         np.zeros_like(lats) + lower_depth])

    mesh = RectangularMesh(np.tile(lons, (2, 1)), np.tile(lats, (2, 1)),
                           depths)
    return SimpleFaultSurface(mesh)