def GFBasicData(path):
"""
Reads Rachel's SAMs output data.
If AB = True then the function converts
Johnson U, B, V, and K bands to Vega system.
:note: This is really ineffective way of reading in
data and should be used only when a rather
small simulation is being processed.
:param path: path in which the files are located
:param AB: whether Johnson U, B, V, and K bands are converted to Vega system or not.
:type path: string
:type AB: boolean
"""
AB = SamPy.astronomy.basics.JohnsonToABmagnitudes()
print 'Reading files from {0:>s}'.format(path)
galfile = path + 'galphot.dat'
galdustfile = path + 'galphotdust.dat'
profile = path + 'galprop.dat'
halofile = path + 'halos.dat'
g = su.se_catalog(galfile)
gdust = su.se_catalog(galdustfile)
p = su.se_catalog(profile)
h = su.se_catalog(halofile)
print 'Found {0:d} haloes'.format(len(h))
print 'Found {0:d} galaxies'.format(len(g))
if AB:
print 'Coverting Johnson U, B, V, and K bands to vega system'
g.uj = g.uj - AB['AB_vega_U']
g.bj = g.bj - AB['AB_vega_B']
g.vj = g.vj - AB['AB_vega_V']
g.k = g.k - AB['AB_vega_K']
#bulge
g.uj_bulge = g.uj_bulge - AB_vega_U
g.bj_bulge = g.bj_bulge - AB_vega_B
g.vj_bulge = g.vj_bulge - AB_vega_V
g.k_bulge = g.k_bulge - AB_vega_K
#dusty
gdust.uj = gdust.uj - AB_vega_U
gdust.bj = gdust.bj - AB_vega_B
gdust.vj = gdust.vj - AB_vega_V
gdust.j = gdust.k - AB_vega_K
return g, gdust, p, h
def GFBasicData(path):
"""
Reads Rachel's SAMs output data.
If AB = True then the function converts
Johnson U, B, V, and K bands to Vega system.
:note: This is really ineffective way of reading in
data and should be used only when a rather
small simulation is being processed.
:param path: path in which the files are located
:param AB: whether Johnson U, B, V, and K bands are converted to Vega system or not.
:type path: string
:type AB: boolean
"""
AB = SamPy.astronomy.basics.JohnsonToABmagnitudes()
print 'Reading files from {0:>s}'.format(path)
galfile = path + 'galphot.dat'
galdustfile = path + 'galphotdust.dat'
profile = path + 'galprop.dat'
halofile = path + 'halos.dat'
g = su.se_catalog(galfile)
gdust = su.se_catalog(galdustfile)
p = su.se_catalog(profile)
h = su.se_catalog(halofile)
print 'Found {0:d} haloes'.format(len(h))
print 'Found {0:d} galaxies'.format(len(g))
if AB:
print 'Coverting Johnson U, B, V, and K bands to vega system'
g.uj = g.uj - AB['AB_vega_U']
g.bj = g.bj - AB['AB_vega_B']
g.vj = g.vj - AB['AB_vega_V']
g.k = g.k - AB['AB_vega_K']
#bulge
g.uj_bulge = g.uj_bulge - AB_vega_U
g.bj_bulge = g.bj_bulge - AB_vega_B
g.vj_bulge = g.vj_bulge - AB_vega_V
g.k_bulge = g.k_bulge - AB_vega_K
#dusty
gdust.uj = gdust.uj - AB_vega_U
gdust.bj = gdust.bj - AB_vega_B
gdust.vj = gdust.vj - AB_vega_V
gdust.j = gdust.k - AB_vega_K
return g, gdust, p, h
def make_ds9_regions_file(inputfile, outputfile,
size=10,
xcolumn='x_image', ycolumn='y_image'):
'''
'''
data = su.se_catalog(inputfile + '.cat')
xarray = eval('data.' + xcolumn)
yarray = eval('data.' + ycolumn)
out = open(outputfile, 'w')
for x, y in zip(xarray, yarray):
circ = 'circle(%f, %f, %f)\n' % (x, y, size)
out.write(circ)
out.close()
def make_ds9_regions_file(inputfile,
outputfile,
size=10,
xcolumn='x_image',
ycolumn='y_image'):
'''
'''
data = su.se_catalog(inputfile + '.cat')
xarray = eval('data.' + xcolumn)
yarray = eval('data.' + ycolumn)
out = open(outputfile, 'w')
for x, y in zip(xarray, yarray):
circ = 'circle(%f, %f, %f)\n' % (x, y, size)
out.write(circ)
out.close()