Ejemplo n.º 1
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 def test_unextinct_fluxes(self):
     targets = io.read_tractor(self.tractorfiles[0])
     t1 = cuts.unextinct_fluxes(targets)
     self.assertTrue(isinstance(t1, np.ndarray))
     t2 = cuts.unextinct_fluxes(Table(targets))
     self.assertTrue(isinstance(t2, Table))
     for col in ['GFLUX', 'RFLUX', 'ZFLUX', 'W1FLUX', 'W2FLUX']:
         self.assertIn(col, t1.dtype.names)
         self.assertIn(col, t2.dtype.names)
         self.assertTrue(np.all(t1[col] == t2[col]))
Ejemplo n.º 2
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 def test_unextinct_fluxes(self):
     targets = io.read_tractor(self.tractorfiles[0])
     t1 = cuts.unextinct_fluxes(targets)
     self.assertTrue(isinstance(t1, np.ndarray))
     t2 = cuts.unextinct_fluxes(Table(targets))
     self.assertTrue(isinstance(t2, Table))
     for col in ['GFLUX', 'RFLUX', 'ZFLUX', 'W1FLUX', 'W2FLUX', 'WFLUX']:
         self.assertIn(col, t1.dtype.names)
         self.assertIn(col, t2.dtype.names)
         self.assertTrue(np.all(t1[col] == t2[col]))
Ejemplo n.º 3
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    def test_single_cuts(self):
        #- test cuts of individual target classes
        targets = Table.read(self.sweepfiles[0])
        flux = cuts.unextinct_fluxes(targets)
        gflux = flux['GFLUX']
        rflux = flux['RFLUX']
        zflux = flux['ZFLUX']
        w1flux = flux['W1FLUX']
        wflux = flux['WFLUX']
        primary = targets['BRICK_PRIMARY']
        lrg1 = cuts.isLRG(rflux, zflux, w1flux, primary=None)
        lrg2 = cuts.isLRG(rflux, zflux, w1flux, primary=primary)
        self.assertTrue(np.all(lrg1==lrg2))

        elg1 = cuts.isELG(gflux, rflux, zflux, primary=primary)
        elg2 = cuts.isELG(gflux, rflux, zflux, primary=None)
        self.assertTrue(np.all(elg1==elg2))

        psftype = targets['TYPE']
        bgs1 = cuts.isBGS(rflux, type=psftype, primary=primary)
        bgs2 = cuts.isBGS(rflux, type=None, primary=None)
        self.assertTrue(np.all(bgs1==bgs2))

        qso1 = cuts.isQSO(gflux, rflux, zflux, wflux, type=psftype, primary=primary)
        qso2 = cuts.isQSO(gflux, rflux, zflux, wflux, type=None, primary=None)
        self.assertTrue(np.all(qso1==qso2))

        fstd1 = cuts.isFSTD_colors(gflux, rflux, zflux, primary=None)
        fstd2 = cuts.isFSTD_colors(gflux, rflux, zflux, primary=primary)
        self.assertTrue(np.all(fstd1==fstd2))
Ejemplo n.º 4
0
    def test_single_cuts(self):
        """Test cuts of individual target classes
        """
        targets = Table.read(self.sweepfiles[0])
        flux = cuts.unextinct_fluxes(targets)
        gflux = flux['GFLUX']
        rflux = flux['RFLUX']
        zflux = flux['ZFLUX']
        w1flux = flux['W1FLUX']
        w2flux = flux['W2FLUX']
        zfiberflux = flux['ZFIBERFLUX']

        gfluxivar = targets['FLUX_IVAR_G']
        rfluxivar = targets['FLUX_IVAR_R']
        zfluxivar = targets['FLUX_IVAR_Z']

        gsnr = targets['FLUX_G'] * np.sqrt(targets['FLUX_IVAR_G'])
        rsnr = targets['FLUX_R'] * np.sqrt(targets['FLUX_IVAR_R'])
        zsnr = targets['FLUX_Z'] * np.sqrt(targets['FLUX_IVAR_Z'])
        w1snr = targets['FLUX_W1'] * np.sqrt(targets['FLUX_IVAR_W1'])
        w2snr = targets['FLUX_W2'] * np.sqrt(targets['FLUX_IVAR_W2'])

        dchisq = targets['DCHISQ']
        deltaChi2 = dchisq[..., 0] - dchisq[..., 1]

        gnobs, rnobs, znobs = targets['NOBS_G'], targets['NOBS_R'], targets[
            'NOBS_Z']
        gallmask = targets['ALLMASK_G']
        rallmask = targets['ALLMASK_R']
        zallmask = targets['ALLMASK_Z']
        gfracflux = targets['FRACFLUX_G']
        rfracflux = targets['FRACFLUX_R']
        zfracflux = targets['FRACFLUX_Z']
        gfracmasked = targets['FRACMASKED_G']
        rfracmasked = targets['FRACMASKED_R']
        zfracmasked = targets['FRACMASKED_Z']
        gfracin = targets['FRACIN_G']
        rfracin = targets['FRACIN_R']
        zfracin = targets['FRACIN_Z']
        maskbits = targets['MASKBITS']

        gaiagmag = targets['GAIA_PHOT_G_MEAN_MAG']
        Grr = gaiagmag - 22.5 + 2.5 * np.log10(targets['FLUX_R'])

        if 'BRICK_PRIMARY' in targets.colnames:
            primary = targets['BRICK_PRIMARY']
        else:
            primary = np.ones_like(gflux, dtype='?')

        lrg1 = cuts.isLRG(primary=primary,
                          gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          w1flux=w1flux,
                          zfiberflux=zfiberflux,
                          rflux_snr=rsnr,
                          zflux_snr=zsnr,
                          w1flux_snr=w1snr)
        lrg2 = cuts.isLRG(primary=None,
                          gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          w1flux=w1flux,
                          zfiberflux=zfiberflux,
                          rflux_snr=rsnr,
                          zflux_snr=zsnr,
                          w1flux_snr=w1snr)
        self.assertTrue(np.all(lrg1 == lrg2))
        # ADM also check that the color selections alone work. This tripped us up once
        # ADM with the mocks part of the code calling a non-existent LRG colors function.
        lrg1 = cuts.isLRG_colors(primary=primary,
                                 gflux=gflux,
                                 rflux=rflux,
                                 zflux=zflux,
                                 zfiberflux=zfiberflux,
                                 w1flux=w1flux,
                                 w2flux=w2flux)
        lrg2 = cuts.isLRG_colors(primary=None,
                                 gflux=gflux,
                                 rflux=rflux,
                                 zflux=zflux,
                                 zfiberflux=zfiberflux,
                                 w1flux=w1flux,
                                 w2flux=w2flux)
        self.assertTrue(np.all(lrg1 == lrg2))

        elg1 = cuts.isELG(gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          gsnr=gsnr,
                          rsnr=rsnr,
                          zsnr=zsnr,
                          gnobs=gnobs,
                          rnobs=rnobs,
                          znobs=znobs,
                          maskbits=maskbits,
                          primary=primary)
        elg2 = cuts.isELG(gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          gsnr=gsnr,
                          rsnr=rsnr,
                          zsnr=zsnr,
                          gnobs=gnobs,
                          rnobs=rnobs,
                          znobs=znobs,
                          maskbits=maskbits,
                          primary=None)
        self.assertTrue(np.all(elg1 == elg2))

        elg1 = cuts.isELG_colors(gflux=gflux,
                                 rflux=rflux,
                                 zflux=zflux,
                                 primary=primary)
        elg2 = cuts.isELG_colors(gflux=gflux,
                                 rflux=rflux,
                                 zflux=zflux,
                                 primary=None)
        self.assertTrue(np.all(elg1 == elg2))

        for targtype in ["bright", "faint", "wise"]:
            bgs = []
            for primary in [primary, None]:
                bgs.append(
                    cuts.isBGS(gflux=gflux,
                               rflux=rflux,
                               zflux=zflux,
                               w1flux=w1flux,
                               w2flux=w2flux,
                               gnobs=gnobs,
                               rnobs=rnobs,
                               znobs=znobs,
                               gfracmasked=gfracmasked,
                               rfracmasked=rfracmasked,
                               zfracmasked=zfracmasked,
                               gfracflux=gfracflux,
                               rfracflux=rfracflux,
                               zfracflux=zfracflux,
                               gfracin=gfracin,
                               rfracin=rfracin,
                               zfracin=zfracin,
                               gfluxivar=gfluxivar,
                               rfluxivar=rfluxivar,
                               zfluxivar=zfluxivar,
                               maskbits=maskbits,
                               Grr=Grr,
                               w1snr=w1snr,
                               gaiagmag=gaiagmag,
                               primary=primary,
                               targtype=targtype))
            self.assertTrue(np.all(bgs[0] == bgs[1]))

        # ADM need to include RELEASE for quasar cuts, at least.
        release = targets['RELEASE']
        # - Test that objtype and primary are optional
        psftype = targets['TYPE']
        qso1 = cuts.isQSO_cuts(gflux=gflux,
                               rflux=rflux,
                               zflux=zflux,
                               w1flux=w1flux,
                               w2flux=w2flux,
                               deltaChi2=deltaChi2,
                               maskbits=maskbits,
                               w1snr=w1snr,
                               w2snr=w2snr,
                               objtype=psftype,
                               primary=primary,
                               release=release)
        qso2 = cuts.isQSO_cuts(gflux=gflux,
                               rflux=rflux,
                               zflux=zflux,
                               w1flux=w1flux,
                               w2flux=w2flux,
                               deltaChi2=deltaChi2,
                               maskbits=maskbits,
                               w1snr=w1snr,
                               w2snr=w2snr,
                               objtype=None,
                               primary=None,
                               release=release)
        self.assertTrue(np.all(qso1 == qso2))
        # ADM also check that the color selections alone work. This tripped us up once
        # ADM with the mocks part of the code calling a non-existent LRG colors function.
        qso1 = cuts.isQSO_colors(gflux,
                                 rflux,
                                 zflux,
                                 w1flux,
                                 w2flux,
                                 optical=False)
        qso2 = cuts.isQSO_colors(gflux,
                                 rflux,
                                 zflux,
                                 w1flux,
                                 w2flux,
                                 optical=None)
        self.assertTrue(np.all(qso1 == qso2))

        fstd1 = cuts.isSTD_colors(gflux=gflux,
                                  rflux=rflux,
                                  zflux=zflux,
                                  primary=None)
        fstd2 = cuts.isSTD_colors(gflux=gflux,
                                  rflux=rflux,
                                  zflux=zflux,
                                  primary=primary)
        self.assertTrue(np.all(fstd1 == fstd2))
Ejemplo n.º 5
0
    def test_single_cuts(self):
        #- test cuts of individual target classes
        targets = Table.read(self.sweepfiles[0])
        flux = cuts.unextinct_fluxes(targets)
        gflux = flux['GFLUX']
        rflux = flux['RFLUX']
        zflux = flux['ZFLUX']
        w1flux = flux['W1FLUX']
        w2flux = flux['W2FLUX']

        gfluxivar = targets['FLUX_IVAR_G']

        gsnr = targets['FLUX_G'] * np.sqrt(targets['FLUX_IVAR_G'])
        rsnr = targets['FLUX_R'] * np.sqrt(targets['FLUX_IVAR_R'])
        zsnr = targets['FLUX_Z'] * np.sqrt(targets['FLUX_IVAR_Z'])
        w1snr = targets['FLUX_W1'] * np.sqrt(targets['FLUX_IVAR_W1'])
        w2snr = targets['FLUX_W2'] * np.sqrt(targets['FLUX_IVAR_W2'])

        dchisq = targets['DCHISQ']
        deltaChi2 = dchisq[..., 0] - dchisq[..., 1]

        if 'BRICK_PRIMARY' in targets.colnames:
            primary = targets['BRICK_PRIMARY']
        else:
            primary = np.ones_like(gflux, dtype='?')

        lrg1 = cuts.isLRG(primary=primary,
                          gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          w1flux=w1flux,
                          gflux_ivar=gfluxivar,
                          rflux_snr=rsnr,
                          zflux_snr=zsnr,
                          w1flux_snr=w1snr)
        lrg2 = cuts.isLRG(primary=None,
                          gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          w1flux=w1flux,
                          gflux_ivar=gfluxivar,
                          rflux_snr=rsnr,
                          zflux_snr=zsnr,
                          w1flux_snr=w1snr)
        self.assertTrue(np.all(lrg1 == lrg2))

        elg1 = cuts.isELG(gflux=gflux,
                          rflux=rflux,
                          zflux=zflux,
                          primary=primary)
        elg2 = cuts.isELG(gflux=gflux, rflux=rflux, zflux=zflux, primary=None)
        self.assertTrue(np.all(elg1 == elg2))

        # @moustakas - Leaving off objtype will result in different samples!
        psftype = targets['TYPE']
        bgs1 = cuts.isBGS_bright(rflux=rflux, objtype=psftype, primary=primary)
        bgs2 = cuts.isBGS_bright(rflux=rflux, objtype=psftype, primary=None)
        self.assertTrue(np.all(bgs1 == bgs2))

        bgs1 = cuts.isBGS_faint(rflux=rflux, objtype=psftype, primary=primary)
        bgs2 = cuts.isBGS_faint(rflux=rflux, objtype=psftype, primary=None)
        self.assertTrue(np.all(bgs1 == bgs2))

        #- Test that objtype and primary are optional
        qso1 = cuts.isQSO_cuts(gflux=gflux,
                               rflux=rflux,
                               zflux=zflux,
                               w1flux=w1flux,
                               w2flux=w2flux,
                               deltaChi2=deltaChi2,
                               w1snr=w1snr,
                               w2snr=w2snr,
                               objtype=psftype,
                               primary=primary)
        qso2 = cuts.isQSO_cuts(gflux=gflux,
                               rflux=rflux,
                               zflux=zflux,
                               w1flux=w1flux,
                               w2flux=w2flux,
                               deltaChi2=deltaChi2,
                               w1snr=w1snr,
                               w2snr=w2snr,
                               objtype=None,
                               primary=None)
        self.assertTrue(np.all(qso1 == qso2))

        fstd1 = cuts.isFSTD_colors(gflux=gflux,
                                   rflux=rflux,
                                   zflux=zflux,
                                   primary=None)
        fstd2 = cuts.isFSTD_colors(gflux=gflux,
                                   rflux=rflux,
                                   zflux=zflux,
                                   primary=primary)
        self.assertTrue(np.all(fstd1 == fstd2))