Esempio n. 1
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    def test_target_completeness_constrainOrbits(self):
        """
        Compare calculated completenesses for multiple targets with constrain orbits set to true
        """

        with RedirectStreams(stdout=self.dev_null):
            TL = TargetList(ntargs=100,
                            constrainOrbits=True,
                            **copy.deepcopy(self.spec))

            mode = filter(lambda mode: mode['detectionMode'] == True,
                          TL.OpticalSystem.observingModes)[0]
            IWA = mode['IWA']
            OWA = mode['OWA']
            rrange = TL.PlanetPopulation.rrange
            maxd = (rrange[1] / np.tan(IWA)).to(u.pc).value
            mind = (rrange[0] / np.tan(OWA)).to(u.pc).value

            #want distances to span from outer edge below IWA to inner edge above OWA
            TL.dist = np.logspace(np.log10(mind / 10.), np.log10(maxd * 10.),
                                  TL.nStars) * u.pc

        Brown = EXOSIMS.Completeness.BrownCompleteness.BrownCompleteness(
            constrainOrbits=True, **copy.deepcopy(self.spec))
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(
            constrainOrbits=True, **copy.deepcopy(self.spec))

        cBrown = Brown.target_completeness(TL)
        cGarrett = Garrett.target_completeness(TL)

        np.testing.assert_allclose(cGarrett, cBrown, rtol=0.1, atol=1e-6)
Esempio n. 2
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    def test_target_completeness_def(self):
        """
        Compare calculated completenesses for multiple targets under default population
        settings.
        """

        with RedirectStreams(stdout=self.dev_null):
            TL = TargetList(ntargs=100, **copy.deepcopy(self.spec))

            mode = list(
                filter(lambda mode: mode['detectionMode'] == True,
                       TL.OpticalSystem.observingModes))[0]
            IWA = mode['IWA']
            OWA = mode['OWA']
            rrange = TL.PlanetPopulation.rrange
            maxd = (rrange[1] / np.tan(IWA)).to(u.pc).value
            mind = (rrange[0] / np.tan(OWA)).to(u.pc).value

            #want distances to span from outer edge below IWA to inner edge above OWA
            TL.dist = np.logspace(np.log10(mind / 10.), np.log10(maxd * 10.),
                                  TL.nStars) * u.pc

        Brown = EXOSIMS.Completeness.BrownCompleteness.BrownCompleteness(
            **copy.deepcopy(self.spec))
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(
            **copy.deepcopy(self.spec))

        cBrown = Brown.target_completeness(TL)
        cGarrett = Garrett.target_completeness(TL)

        np.testing.assert_allclose(cGarrett, cBrown, rtol=0.1, atol=1e-6)

        # test when scaleOrbits == True
        TL.L = np.exp(
            np.random.uniform(low=np.log(0.1),
                              high=np.log(10.),
                              size=TL.nStars))
        Brown.PlanetPopulation.scaleOrbits = True
        Garrett.PlanetPopulation.scaleOrbits = True

        cBrown = Brown.target_completeness(TL)
        cGarrett = Garrett.target_completeness(TL)

        cGarrett = cGarrett[cBrown != 0]
        cBrown = cBrown[cBrown != 0]
        meandiff = np.mean(np.abs(cGarrett - cBrown) / cBrown)

        self.assertLessEqual(meandiff, 0.1)
Esempio n. 3
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    def test_target_completeness_scaleOrbits(self):
        """
        Compare calculated completenesses for multiple targets with scale orbits set to true
        """
                   
        with RedirectStreams(stdout=self.dev_null):
            TL = TargetList(ntargs=100,**copy.deepcopy(self.spec))
            TL.dist =  np.exp(np.random.uniform(low=np.log(1.0), high=np.log(30.), size=TL.nStars))*u.pc
            TL.L = np.exp(np.random.uniform(low=np.log(0.1), high=np.log(10.), size=TL.nStars))

        Brown = EXOSIMS.Completeness.BrownCompleteness.BrownCompleteness(scaleOrbits=True,**copy.deepcopy(self.spec))
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(scaleOrbits=True,**copy.deepcopy(self.spec))

        cBrown = Brown.target_completeness(TL)
        cGarrett = Garrett.target_completeness(TL)
        
        cGarrett = cGarrett[cBrown != 0 ]
        cBrown = cBrown[cBrown != 0]
        meandiff = np.mean(np.abs(cGarrett - cBrown)/cBrown)

        self.assertLessEqual(meandiff,0.1)
Esempio n. 4
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    def test_target_completeness_varrange(self):
        """
        Garrett completeness takes different logical pathways depending on which parameters are 
        held constant.  Checking all of these against BrownCompleteness would take multiple hours
        so we'll just run through the Garrett logical branches and check for self-consistency.

        The comparison tests already cover Rp and p constant, so we need to check a constant, e constant
        a + e constant.
        """
            
        with RedirectStreams(stdout=self.dev_null):
            TL = TargetList(ntargs=100,**copy.deepcopy(self.spec))

            mode = filter(lambda mode: mode['detectionMode'] == True, TL.OpticalSystem.observingModes)[0]
            IWA = mode['IWA']
            OWA = mode['OWA']
            rrange = TL.PlanetPopulation.rrange
            maxd = (rrange[1]/np.tan(IWA)).to(u.pc).value
            mind = (rrange[0]/np.tan(OWA)).to(u.pc).value

            #want distances to span from outer edge below IWA to inner edge above OWA
            TL.dist = np.logspace(np.log10(mind/10.),np.log10(maxd*10.),TL.nStars)*u.pc


        #a constant, everything else var
        spec = copy.deepcopy(self.spec)
        spec['arange'] = [1,1]
        spec['Rprange'] = [1,10]
        spec['prange'] = [0.2,0.5]
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(**copy.deepcopy(spec))
        cGarrett = Garrett.target_completeness(TL)
        self.assertTrue(np.all(cGarrett[TL.dist > maxd*u.pc] == 0))

        #e constant everything else var
        spec = copy.deepcopy(self.spec)
        spec['erange'] = [0,0]
        spec['Rprange'] = [1,10]
        spec['prange'] = [0.2,0.5]
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(**copy.deepcopy(spec))
        cGarrett = Garrett.target_completeness(TL)
        self.assertTrue(np.all(cGarrett[TL.dist > maxd*u.pc] == 0))

        #a and e constant, everything else var
        spec = copy.deepcopy(self.spec)
        spec['arange'] = [1,1]
        spec['erange'] = [0,0]
        spec['Rprange'] = [1,10]
        spec['prange'] = [0.2,0.5]
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(**copy.deepcopy(spec))
        cGarrett = Garrett.target_completeness(TL)
        self.assertTrue(np.all(cGarrett[TL.dist > maxd*u.pc] == 0))

        #a constant and constrainOrbits
        spec = copy.deepcopy(self.spec)
        spec['arange'] = [1,1]
        spec['constrainOrbits'] = True
        spec['Rprange'] = [1,10]
        spec['prange'] = [0.2,0.5]
        Garrett = EXOSIMS.Completeness.GarrettCompleteness.GarrettCompleteness(**copy.deepcopy(spec))
        cGarrett = Garrett.target_completeness(TL)
        self.assertTrue(np.all(cGarrett[TL.dist > maxd*u.pc] == 0))