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import os |
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import numpy as np |
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from click.testing import CliRunner |
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from numpy.random import rand |
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from numpy.random import randint |
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from scipy import integrate |
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from ne2001 import density |
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from ne2001 import utils |
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from ne2001.cli import main |
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PARAMS = density.PARAMS |
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r_sun = 8.5 |
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def test_main(): |
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runner = CliRunner() |
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result = runner.invoke(main, []) |
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assert result.output == '()\n' |
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assert result.exit_code == 0 |
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def test_density(): |
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xyz = (1-2*rand(3, 100)) * 20 |
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ne_disk1 = density.NEobject(density.thick_disk, r_sun=r_sun, |
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**PARAMS['thick_disk']).ne(xyz) |
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assert len(ne_disk1) == 100 |
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assert all(ne_disk1 >= 0) |
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ne_disk2 = density.NEobject(density.thin_disk, **PARAMS['thin_disk']).ne(xyz) |
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assert len(ne_disk2) == 100 |
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assert all(ne_disk2 >= 0) |
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ne_gc = density.NEobject(density.gc, **PARAMS['galactic_center']).ne(xyz) |
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assert len(ne_gc) == 100 |
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assert all(ne_gc >= 0) |
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def test_geometry(): |
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ellipsoid = rand(3)*20 |
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xyz = (1-2*rand(3, 100)) * 20 |
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theta = rand()*2*np.pi |
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center = rand(3)*20 |
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assert density.in_ellipsoid(center, ellipsoid, theta)(center) |
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assert len(density.in_ellipsoid(center, ellipsoid, theta)(xyz)) == 100 |
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cylinder = rand(3)*20 |
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xyz = (1-2*rand(3, 100)) * 20 |
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theta = rand()*2*np.pi |
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center = rand(3)*20 |
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assert len(density.in_cylinder(xyz, center, cylinder, theta)) == 100 |
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assert all(density.in_half_sphere(xyz, center, 10)[xyz[-1] < 0] == 0) |
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def test_clumps(): |
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clumps_file = os.path.join(os.path.split(density.__file__)[0], "data", |
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"neclumpN.NE2001.dat") |
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clumps = density.Clumps(clumps_file) |
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clumps = density.Clumps() |
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xyz = (clumps.xyz.T[randint(0, clumps.gl.size, 100)].T + |
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(1-2*rand(3, 100))*0.01) |
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ne_clumps = clumps.ne(xyz) |
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assert len(ne_clumps) == 100 |
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ix = ne_clumps.argmax() |
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assert ne_clumps[ix] == clumps.ne(xyz[:, ix]) |
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75
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def test_void(): |
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tol = 1e-3 |
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voids_file = os.path.join(os.path.split(density.__file__)[0], "data", |
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"nevoidN.NE2001.dat") |
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voids = density.Voids(voids_file) |
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voids = density.Voids() |
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xyz = (voids.xyz.T[randint(0, voids.gl.size, 100)].T + |
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(1-2*rand(3, 100))*0.01) |
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ne_voids = voids.ne(xyz) |
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assert len(ne_voids) == 100 |
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ix = ne_voids.argmax() |
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assert ne_voids[ix] == voids.ne(xyz[:, ix]) |
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xyz = np.array([-3.4153607E-02, 7.521969, 0.2080137]) |
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DM = 0.9308054 |
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assert abs(voids.DM(xyz) - DM)/DM < tol |
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def test_local_ism(): |
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tol = 1e-3 |
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xyz = (1-2*rand(3, 100)) * 20 |
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local_ism = density.LocalISM(**PARAMS) |
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assert all(local_ism.ne(xyz) >= 0) |
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assert len(local_ism.ne(xyz)) == 100 |
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assert (abs(local_ism.DM(np.array([-3.4136981E-02, 7.522445, 0.2079124])) - |
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2.453550)/2.453550 < tol) |
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def test_DM(): |
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tol = 1e-3 |
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d1 = density.NEobject(density.thick_disk, r_sun=8.5, |
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**PARAMS['thick_disk']) |
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xyz = np.array([0.1503843, 7.647129, 0.5000018]) |
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DM = 32.36372 |
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assert abs(d1.DM(xyz) - DM) / DM < tol |
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d2 = density.NEobject(density.thin_disk, |
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**PARAMS['thin_disk']) |
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np.array([0.1503843, 7.647129, 0.5000018]) |
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DM = 32.36372 |
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123
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xyz = np.array([0.1503843, 7.647129, 0.5000018]) |
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DM = 0.046937 |
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assert abs(d2.DM(xyz) - DM) / DM < tol |
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127
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128
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def test_electron_density_quad(): |
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tol = 1e-3 |
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ne = density.ElectronDensity(**PARAMS) |
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xyz = np.array([-3.4153607E-02, 7.521969, 0.2080137]) |
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DM = 23.98557 |
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assert abs(ne.DM(xyz) - DM)/DM < tol |
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def test_electron_density_trapz(): |
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tol = 1e-3 |
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ne = density.ElectronDensity(**PARAMS) |
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xyz = np.array([-3.4153607E-02, 7.521969, 0.2080137]) |
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DM = 23.98557 |
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assert abs(ne.DM(xyz, integrator=integrate.trapz) - DM)/DM < tol |
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143
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144
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def test_dist(): |
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for i in range(10): |
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tol = 1e-3 |
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ne = density.ElectronDensity(**PARAMS) |
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l = rand()*2*np.pi |
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b = np.arccos(1 - 2*rand()) |
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d = rand()*10 |
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rsun = 8.5 |
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DM = ne.DM(utils.galactic_to_galactocentric(l, b, d, rsun)) |
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assert abs(ne.dist(l, b, DM, rsun) - d)/d < tol, (l, b, d) |
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benbaror /
ne2001
