def test_reddening_shift(self):
"""
see extinction_schlafly.csv
Bandpass λeff 2.1 3.1 4.1 5.1
Landolt_U 3508.2 5.614 4.334 3.773 3.460
Landolt_B 4329.0 4.355 3.626 3.290 3.096
Landolt_V 5421.7 2.953 2.742 2.645 2.589
Landolt_R 6427.8 2.124 2.169 2.189 2.201
Landolt_I 8048.4 1.410 1.505 1.548 1.573
:return:
"""
# band, mshift = 'V', 2.742
band, mshift = 'U', 4.334
ebv = 1.
lc = lc_create(band)
magExpect = lc.Mag + mshift # Av for e=1.
curves_reddening(lc, ebv=ebv)
magRed = lc.Mag
res = filter(lambda x: abs(x) > 1e-4, magExpect - magRed)
self.assertTrue(len(res) == 0,
msg="Some mags were shifted more then %f." % mshift)
def test_reddening_shift(self):
"""
see extinction_schlafly.csv
Bandpass λeff 2.1 3.1 4.1 5.1
Landolt_U 3508.2 5.614 4.334 3.773 3.460
Landolt_B 4329.0 4.355 3.626 3.290 3.096
Landolt_V 5421.7 2.953 2.742 2.645 2.589
Landolt_R 6427.8 2.124 2.169 2.189 2.201
Landolt_I 8048.4 1.410 1.505 1.548 1.573
:return:
"""
# band, mshift = 'V', 2.742
bname, mshift = 'U', 4.334
ebv = 1.
lc = lc_create(bname)
magExpect = lc.Mag + mshift # Av for e=1.
lc = curves_reddening(lc, ebv=ebv)
magRed = lc.Mag
res = list(filter(lambda x: abs(x) > 1e-4, magExpect - magRed))
self.assertTrue(len(res) == 0,
msg="Some mags were shifted more then %f." % mshift)
def main(name='', model_ext='.ph'):
is_quiet = True
is_save_mags = False
is_save_plot = False
is_plot_time_points = False
is_extinction = False
is_vel = False
label = None
fsave = None
t_diff = 1.00001
# path = ''
path = os.getcwd()
z = 0
e = 0.
magnification = 1.
distance = 10. # pc
callback = None
xlim = None
ylim = None
# bshift = None
bshift = {}
try:
opts, args = getopt.getopt(sys.argv[1:], "hqwtc:d:p:e:i:b:l:m:vs:x:y:z:")
except getopt.GetoptError as err:
print str(err) # will print something like "option -a not recognized"
usage()
sys.exit(2)
if len(args) > 0:
path, name = os.path.split(str(args[0]))
path = os.path.expanduser(path)
name = name.replace('.ph', '')
elif len(opts) == 0:
usage()
sys.exit(2)
if not name:
for opt, arg in opts:
if opt == '-i':
name = os.path.splitext(os.path.basename(str(arg)))[0]
break
bands = ['U', 'B', 'V', 'R', "I"]
# bands = ['U', 'B', 'V', 'R', "I", 'UVM2', "UVW1", "UVW2", 'g', "r", "i"]
for opt, arg in opts:
if opt == '-e':
e = float(arg)
is_extinction = True
continue
if opt == '-b':
bands = []
band.Band.load_settings()
for b in str(arg).split('-'):
# extract band shift
if ':' in b:
bname, shift = b.split(':')
if '_' in shift:
bshift[bname] = -float(shift.replace('_', ''))
else:
bshift[bname] = float(shift)
else:
bname = b
if not band.band_is_exist(bname):
print 'No such band: ' + bname
sys.exit(2)
bands.append(bname)
continue
if opt == '-c':
c = lc_wrapper(str(arg))
if callback is not None:
c = cb.CallBackArray((callback, c))
callback = c
continue
if opt == '-q':
is_quiet = False
continue
if opt == '-s':
is_save_plot = True
fsave = str.strip(arg)
continue
if opt == '-w':
is_save_mags = True
continue
if opt == '-t':
is_plot_time_points = True
continue
if opt == '-v':
is_vel = True
continue
if opt == '-m':
magnification = float(arg)
continue
if opt == '-z':
z = float(arg)
continue
if opt == '-d':
distance = float(arg)
continue
if opt == '-l':
label = str.strip(arg)
continue
if opt == '-x':
xlim = map(float, str(arg).split(':'))
continue
if opt == '-y':
ylim = map(float, str(arg).split(':'))
continue
if opt == '-p':
path = os.path.expanduser(str(arg))
if not (os.path.isdir(path) and os.path.exists(path)):
print "No such directory: " + path
sys.exit(2)
continue
elif opt == '-h':
usage()
sys.exit(2)
print "Plot magnitudes on z=%f at distance=%e [cosmology D(z)=%s Mpc]" % (z, distance, cosmology_D_by_z(z))
names = []
if name != '':
names.append(name)
else: # run for all files in the path
names = get_model_names(path, model_ext)
if len(names) > 0:
models_mags = {} # dict((k, None) for k in names)
models_vels = {} # dict((k, None) for k in names)
i = 0
for name in names:
i += 1
# mags = lcf.compute_mag(name, path, bands, ext=ext, z=z, distance=distance, magnification=magnification,
# t_diff=t_diff, is_show_info=not is_quiet, is_save=is_save_mags)
curves = lcf.curves_compute(name, path, bands, z=z, distance=distance, magnification=magnification,
is_save=is_save_mags)
if is_extinction:
lcf.curves_reddening(curves, ebv=e, z=z)
# lcf.plot_curves(curves)
# exit()
# models_mags[name] = mags
models_mags[name] = curves
if not is_quiet:
# z, distance = 0.145, 687.7e6 # pc for comparison with Maria
# lcf.plot_bands(mags, bands, title=name, fname='', is_time_points=is_plot_time_points)
lcf.plot_bands(curves, bands, title=name, fname='', is_time_points=is_plot_time_points)
if is_vel:
vels = vel.compute_vel(name, path, z=z)
if vels is None:
sys.exit("No data for: %s in %s" % (name, path))
models_vels[name] = vels
print "Finish velocity: %s [%d/%d]" % (name, i, len(names))
else:
models_vels = None
print "Finish mags: %s [%d/%d] in %s" % (name, i, len(names), path)
if label is None:
if callback is not None:
label = "ts=%s z=%4.2f D=%6.2e mu=%3.1f ebv=%4.2f" % (
callback.arg_totext(0), z, distance, magnification, e)
else:
label = "z=%4.2f D=%6.2e mu=%3.1f ebv=%4.2f" % (z, distance, magnification, e)
if is_save_plot:
if len(fsave) == 0:
if is_vel:
fsave = "ubv_vel_%s" % name
else:
fsave = "ubv_%s" % name
if is_extinction and e > 0:
fsave = "%s_e0%2d" % (fsave, int(e * 100)) # bad formula for name
d = os.path.expanduser('~/')
# d = '/home/bakl/Sn/my/conf/2016/snrefsdal/img'
fsave = os.path.join(d, fsave) + '.pdf'
plot_all(models_vels, models_mags, bands, call=callback, xlim=xlim, ylim=ylim,
is_time_points=is_plot_time_points, title=label, fsave=fsave, bshift=bshift)
# plot_all(dic_results, bands, xlim=(-10, 410), is_time_points=is_plot_time_points)
# plot_all(dic_results, bands, xlim=(-10, 410), callback=callback, is_time_points=is_plot_time_points)
# plot_all(dic_results, bands, ylim=(40, 23), is_time_points=is_plot_time_points)
else:
print "There are no models in the directory: %s with extension: %s " % (path, model_ext)