def build_coeff_tables():
"""
Use the latest throughput values to build Table 2. Requires LSST stack installed and
syseng_throughputs setup
"""
from calcM5 import calcM5
import bandpassUtils as bu
from lsst.utils import getPackageDir
defaultDirs = bu.setDefaultDirs(
rootDir=getPackageDir('syseng_throughputs'))
addLosses = True
atmosphere = bu.readAtmosphere(defaultDirs['atmosphere'],
atmosFile='atmos_10_aerosol.dat')
hardware, system = bu.buildHardwareAndSystem(defaultDirs,
addLosses,
atmosphereOverride=atmosphere)
m5_vals = calcM5(hardware,
system,
atmosphere,
title='',
return_t2_values=True)
np.savez('m5_vals.npz', m5_vals=m5_vals)
fwhm_eff = 1.16 * np.sqrt(fwhm_system**2 + 1.04 * fwhm_atmo**2)
# Translate to FWHMgeom.
fwhm_geom = 0.822 * fwhm_eff + 0.052
return fwhm_eff, fwhm_geom
if __name__ == '__main__':
# Set the directories for each component.
# Note that this sets the detector to be the 'generic detector' (minimum of each vendor).
defaultDirs = bu.setDefaultDirs(rootDir = '..')
# To use a particular vendor, uncomment one of the following lines or edit as necessary.
# defaultDirs['detector'] = 'vendor1'
# defaultDirs['detector'] = 'vendor2'
# Add losses to each component?
addLosses = True
# Build the system and hardware throughput curves (without aerosols, with X=1.0).
#atmosphere = bu.readAtmosphere(defaultDirs['atmosphere'], atmosFile='atmos_10.dat')
#hardware, system = bu.buildHardwareAndSystem(defaultDirs, addLosses, atmosphereOverride=atmosphere)
#m5 = calcM5(hardware, system, atmosphere, title='')
atmosphere = bu.readAtmosphere(defaultDirs['atmosphere'], atmosFile='atmos_10_aerosol.dat')
hardware, system = bu.buildHardwareAndSystem(defaultDirs, addLosses, atmosphereOverride=atmosphere)
m5 = calcM5(hardware, system, atmosphere, title='')
plt.show()
title = ""
plt.title("System total response curves %s" % (title))
plt.savefig("../plots/system+sky" + title + ".png", format="png", dpi=600)
return m5
if __name__ == "__main__":
defaultDirs = bu.setDefaultDirs(rootDir="..")
addLosses = True
hardware = {}
system = {}
m5 = {}
atmosphere = bu.readAtmosphere(defaultDirs["atmosphere"], atmosFile="atmos_10_aerosol.dat")
hardware["combo"], system["combo"] = bu.buildHardwareAndSystem(defaultDirs, atmosphereOverride=atmosphere)
m5["combo"] = calcM5(hardware["combo"], system["combo"], atmosphere, title="combo")
genericDetector = defaultDirs["detector"]
for det in [1, 2]:
defaultDirs["detector"] = os.path.join(genericDetector, "vendor%d" % det)
hardware[det], system[det] = bu.buildHardwareAndSystem(defaultDirs, atmosphereOverride=atmosphere)
m5[det] = calcM5(hardware[det], system[det], atmosphere, title="vendor%d" % (det))
# Show what these look like (print m5 limits on throughput curves)
plt.figure()
for f in filterlist:
for det in [1, 2]:
if det == 1:
linestyle = ":"
spacer = " "
else:
os.path.join(throughputDir,
'atmos/atmos_%d.dat' % (int(X * 10))))
atmoskeys = sorted(atmos.keys())
print title
print ' %s' % (' '.join(atmoskeys))
system = Bandpass()
effsb = {}
for f in ['u', 'g', 'r', 'i', 'z', 'y']:
writestring = '%s ' % f
for k in atmoskeys:
system.wavelen, system.sb = hardware[f].multiplyThroughputs(
atmos[k].wavelen, atmos[k].sb)
effphi, effsb[k] = system.calcEffWavelen()
writestring += '%.2f ' % (effsb[k])
print writestring
if __name__ == '__main__':
defaultDirs = bu.setDefaultDirs(rootDir='..')
# To use a particular vendor's detector response curve, uncomment one of the lines below
defaultDetector = defaultDirs['detector']
#defaultDirs['detector'] = os.path.join(defaultDetector, 'vendor1')
#defaultDirs['detector'] = os.path.join(defaultDetector, 'vendor2')
addLosses = True
hardware, system = bu.buildHardwareAndSystem(defaultDirs, addLosses)
calcEffWavelen(hardware, 'Min: Std Atmo')
defaultDirs = bu.setDefaultDirs()
addLosses = True
detector = bu.buildDetector(defaultDirs['detector'], addLosses)
filters = bu.buildFilters(defaultDirs['filters'], addLosses)
lens1 = bu.buildLens(defaultDirs['lens1'], addLosses)
lens2 = bu.buildLens(defaultDirs['lens2'], addLosses)
lens3 = bu.buildLens(defaultDirs['lens3'], addLosses)
m1 = bu.buildMirror(defaultDirs['mirror1'], addLosses)
m2 = bu.buildMirror(defaultDirs['mirror2'], addLosses)
m3 = bu.buildMirror(defaultDirs['mirror3'], addLosses)
atmos_std = bu.readAtmosphere(defaultDirs['atmosphere'], atmosFile='pachonModtranAtm_12_aerosol.dat')
atmos_10 = bu.readAtmosphere(defaultDirs['atmosphere'], atmosFile='atmos_10_aerosol.dat')
darksky = Sed()
darksky.readSED_flambda(os.path.join(defaultDirs['atmosphere'], 'darksky.dat'))
hardware, system = bu.buildHardwareAndSystem(defaultDirs, addLosses=addLosses, atmosphereOverride=atmos_std)
# Write the data to disk.
outDir = 'baseline'
if not os.path.isdir(outDir):
os.makedirs(outDir)
version = subprocess.check_output(['git', 'describe']).strip()
sha1 = subprocess.check_output(["git", "rev-parse", "HEAD"]).strip()
print "version", version, "sha1", sha1
versioninfo = '# Version %s\n'%(version)
versioninfo += '# sha1 %s\n' %(sha1)
header = '# LSST Throughputs files created from syseng_throughputs repo\n'
header += versioninfo
title = ''
plt.title('System total response curves %s' %(title))
plt.savefig('../plots/system+sky' + title + '.png', format='png', dpi=600)
return m5
if __name__ == '__main__':
defaultDirs = bu.setDefaultDirs(rootDir = '..')
addLosses = True
hardware = {}
system = {}
m5 = {}
atmosphere = bu.readAtmosphere(defaultDirs['atmosphere'], atmosFile='atmos_10_aerosol.dat')
hardware['combo'], system['combo'] = bu.buildHardwareAndSystem(defaultDirs, atmosphereOverride=atmosphere)
m5['combo'] = calcM5(hardware['combo'], system['combo'], atmosphere, title='combo')
genericDetector = defaultDirs['detector']
for det in [1, 2]:
defaultDirs['detector'] = os.path.join(genericDetector, 'vendor%d' %det)
hardware[det], system[det] = bu.buildHardwareAndSystem(defaultDirs, atmosphereOverride=atmosphere)
m5[det] = calcM5(hardware[det], system[det], atmosphere, title='vendor%d' %(det))
# Show what these look like (print m5 limits on throughput curves)
plt.figure()
for f in filterlist:
for det in [1, 2]:
if det == 1:
linestyle = ':'
spacer= ' '
else:
# Plot all components.
bu.plotBandpasses(throughputs, title='All components')
# Combine components by hand. Compare to combination returned from bandpassUtils.
core_sb = (throughputs['detector'].sb * throughputs['lens1'].sb * throughputs['lens2'].sb
* throughputs['lens3'].sb * throughputs['mirror1'].sb
* throughputs['mirror2'].sb * throughputs['mirror3'].sb)
hardware = {}
system = {}
for f in filters:
hardware[f] = Bandpass()
system[f] = Bandpass()
wavelen = filters[f].wavelen
hw_sb = core_sb * filters[f].sb
hardware[f].setBandpass(wavelen, hw_sb)
system[f].setBandpass(wavelen, hw_sb*throughputs['atmosphere'].sb)
# Get combination from bandpassUtils.
bU_hardware, bU_system = bu.buildHardwareAndSystem(defaultDirs)
bu.plotBandpasses(hardware)
bu.plotBandpasses(bU_hardware, linestyle=':', newfig=False,
title='BandpassUtils components, hardware')
bu.plotBandpasses(system)
plt.plot(throughputs['atmosphere'].wavelen, throughputs['atmosphere'].sb, 'k:')
plt.figtext(0.22, 0.75, 'Airmass 1.2')
bu.plotBandpasses(bU_system, linestyle=':', newfig=False,
title='BandpassUtils components, system')
plt.show()
# Combine components by hand. Compare to combination returned from bandpassUtils.
core_sb = (throughputs['detector'].sb * throughputs['lens1'].sb *
throughputs['lens2'].sb * throughputs['lens3'].sb *
throughputs['mirror1'].sb * throughputs['mirror2'].sb *
throughputs['mirror3'].sb)
hardware = {}
system = {}
for f in filters:
hardware[f] = Bandpass()
system[f] = Bandpass()
wavelen = filters[f].wavelen
hw_sb = core_sb * filters[f].sb
hardware[f].setBandpass(wavelen, hw_sb)
system[f].setBandpass(wavelen, hw_sb * throughputs['atmosphere'].sb)
# Get combination from bandpassUtils.
bU_hardware, bU_system = bu.buildHardwareAndSystem(defaultDirs)
bu.plotBandpasses(hardware)
bu.plotBandpasses(bU_hardware,
linestyle=':',
newfig=False,
title='BandpassUtils components, hardware')
bu.plotBandpasses(system)
plt.plot(throughputs['atmosphere'].wavelen, throughputs['atmosphere'].sb,
'k:')
plt.figtext(0.22, 0.75, 'Airmass 1.2')
bu.plotBandpasses(bU_system,
linestyle=':',
newfig=False,
title='BandpassUtils components, system')
atmos['%.1f' %X].readThroughput(os.path.join(throughputDir,
'atmos/atmos_%d.dat' %(int(X*10))))
atmoskeys = sorted(atmos.keys())
print title
print ' %s' %(' '.join(atmoskeys))
system = Bandpass()
effsb = {}
for f in ['u', 'g', 'r', 'i', 'z', 'y']:
writestring = '%s ' %f
for k in atmoskeys:
system.wavelen, system.sb = hardware[f].multiplyThroughputs(atmos[k].wavelen, atmos[k].sb)
effphi, effsb[k] = system.calcEffWavelen()
writestring += '%.2f ' %(effsb[k])
print writestring
if __name__ == '__main__':
defaultDirs = bu.setDefaultDirs(rootDir = '..')
# To use a particular vendor's detector response curve, uncomment one of the lines below
defaultDetector = defaultDirs['detector']
#defaultDirs['detector'] = os.path.join(defaultDetector, 'vendor1')
#defaultDirs['detector'] = os.path.join(defaultDetector, 'vendor2')
addLosses = True
hardware, system = bu.buildHardwareAndSystem(defaultDirs, addLosses)
calcEffWavelen(hardware, 'Min: Std Atmo')