def testGalaxyPhotometricUncertainties(self):
"""
Test in the case of a catalog of galaxies
"""
lsstDefaults = LSSTdefaults()
phot = PhotometryGalaxies()
phot.loadTotalBandpassesFromFiles()
galDB = testGalaxyTileDBObj(driver=self.driver, host=self.host, database=self.dbName)
galCat = testGalaxyCatalog(galDB, obs_metadata=self.obs_metadata)
imsimband = Bandpass()
imsimband.imsimBandpass()
ct = 0
for line in galCat.iter_catalog():
bulgeSedName = line[50]
diskSedName = line[51]
agnSedName = line[52]
magNormBulge = line[53]
magNormDisk = line[54]
magNormAgn = line[55]
avBulge = line[56]
avDisk = line[57]
redshift = line[58]
bulgeSed = Sed()
bulgeSed.readSED_flambda(os.path.join(lsst.utils.getPackageDir('sims_sed_library'),
defaultSpecMap[bulgeSedName]))
fNorm=bulgeSed.calcFluxNorm(magNormBulge, imsimband)
bulgeSed.multiplyFluxNorm(fNorm)
diskSed = Sed()
diskSed.readSED_flambda(os.path.join(lsst.utils.getPackageDir('sims_sed_library'),
defaultSpecMap[diskSedName]))
fNorm = diskSed.calcFluxNorm(magNormDisk, imsimband)
diskSed.multiplyFluxNorm(fNorm)
agnSed = Sed()
agnSed.readSED_flambda(os.path.join(lsst.utils.getPackageDir('sims_sed_library'),
defaultSpecMap[agnSedName]))
fNorm = agnSed.calcFluxNorm(magNormAgn, imsimband)
agnSed.multiplyFluxNorm(fNorm)
phot.applyAv([bulgeSed, diskSed], [avBulge, avDisk])
phot.applyRedshift([bulgeSed, diskSed, agnSed], [redshift, redshift, redshift])
numpy.testing.assert_almost_equal(bulgeSed.wavelen, diskSed.wavelen)
numpy.testing.assert_almost_equal(bulgeSed.wavelen, agnSed.wavelen)
fl = bulgeSed.flambda + diskSed.flambda + agnSed.flambda
totalSed = Sed(wavelen=bulgeSed.wavelen, flambda=fl)
sedList = [totalSed, bulgeSed, diskSed, agnSed]
for i, spectrum in enumerate(sedList):
if i==0:
msgroot = 'failed on total'
elif i==1:
msgroot = 'failed on bulge'
elif i==2:
msgroot = 'failed on disk'
elif i==3:
msgroot = 'failed on agn'
for j, b in enumerate(self.bandpasses):
controlSigma = calcMagError_sed(spectrum, self.totalBandpasses[j],
self.skySeds[j],
self.hardwareBandpasses[j],
seeing=lsstDefaults.seeing(b),
photParams=PhotometricParameters())
testSigma = line[26+(i*6)+j]
msg = '%e neq %e; ' % (testSigma, controlSigma) + msgroot
self.assertAlmostEqual(testSigma, controlSigma, 10, msg=msg)
ct += 1
self.assertTrue(ct>0)
