def prepare_for_varysfh(inps, outfile):
"""
Prepare a default varysfh inputfile
"""
# get completeness mags for mag limits
if inps.offset is None:
logger.info('finding completeness fraction from fake file')
inps.comp_mag1, inps.comp_mag2 = limiting_mag(inps.fake_file,
inps.comp_frac)
# get Av, dmod, mTRGB, photsys
msfh = rsp.match.utils.MatchSFH(inps.sfh_file)
inps.Av = msfh.Av
inps.dmod = msfh.dmod
angst_target = \
difflib.get_close_matches(inps.target.upper(),
angst_data.targets)[0].replace('-', '_')
try:
target_row = angst_data.__getattribute__(angst_target)
inps.trgb = target_row['%s,%s' % (inps.filter1, inps.filter2)]['mTRGB']
if inps.photsys is None:
inps.photsys = angst_data.get_item(angst_target, 'camera').lower()
if inps.photsys == 'acs':
inps.photsys = 'acs_wfc'
except AttributeError:
logger.error('{} not found in angst tables, \
using M=-4 to find mTRGB'.format(angst_target))
inps.trgb = rsp.astronomy_utils.Mag2mag(-4., inps.filter2, inps.photsys,
dmod=inps.dmod, Av=inps.Av)
# get observered number of RGB and AGB stars
mag1, mag2 = np.loadtxt(inps.matchphot, unpack=True)
if inps.mag_faint is None:
logger.info('assuming faint mag offset of 2')
inps.offset = 2.
else:
inps.offset = inps.trgb - inps.mag_faint
rgbs, agbs = rgb_agb_regions(inps.offset, inps.trgb_exclude, inps.trgb,
mag2, mag_faint=inps.mag_faint,
mag_bright=inps.mag_bright,
col_min=inps.col_min, mag1=mag1,
col_max=inps.col_max)
inps.nrgbs = len(rgbs)
inps.nagbs = len(agbs)
# convert match SFH to trilegal AMR
gal_inp = prepare_galaxy_inputfile(inps)
inps.__dict__.update(gal_inp)
inps.write_params(outfile)
def prepare_data_table(inputs):
if hasattr(inputs, 'Mtrgb'):
mtrgb = inputs.Mtrgb
else:
mtrgb = np.nan
if not hasattr(inputs, 'ir_trgb'):
inputs.ir_trgb = rsp.astronomy_utils.Mag2mag(inputs.Mtrgb, inputs.ir_filter2,
inputs.photsys, dmod=inputs.dmod,
Av=inputs.Av)
if not hasattr(inputs, 'opt_trgb'):
inputs.opt_trgb = rsp.astronomy_utils.Mag2mag(inputs.Mtrgb, inputs.opt_filter2,
inputs.photsys, dmod=inputs.dmod,
Av=inputs.Av)
fmt = '%s %i %i %i %i %.2f %.2f %.2f %.2f \n'
header = '# opt: F814W ir: F160W Mtrgb: %.2f dmod: %.2f Av: %.1f \n'
header += '# opt, ir: color_min (%.1f, %.1f) trgb (%.2f, %.2f) '
header += 'offsets (%.1f, %.1f) trgb exclude (%.1f, %.1f) \n'
header += '# target nopt_rgb nopt_agb nir_rgb nir_agb opt_max ir_max'
header += ' opt_min ir_min \n'
out = open('phat_b21_data.dat', 'w')
out.write(header % (mtrgb, inputs.dmod, inputs.Av,
inputs.opt_color_min, inputs.ir_color_min,
inputs.opt_trgb, inputs.ir_trgb, inputs.offsets[0], inputs.offsets[1],
inputs.trgb_excludes[0], inputs.trgb_excludes[1]))
opt_files, ir_files = load_data_files(inputs)
for i in range(len(opt_files)):
opt_gal = rsp.Galaxy(opt_files[i], filetype=inputs.data_ftype, angst=False,
hla=False, filter1=inputs.opt_filter1,
filter2=inputs.opt_filter2)
ir_gal = rsp.Galaxy(ir_files[i], filetype=inputs.data_ftype, angst=False,
hla=False, filter1=inputs.ir_filter1,
filter2=inputs.ir_filter2)
opt_color_cut, = np.nonzero((opt_gal.color) > inputs.opt_color_min)
ir_color_cut, = np.nonzero((ir_gal.color) > inputs.ir_color_min)
ir_mag = ir_gal.mag2[ir_color_cut]
opt_mag = opt_gal.mag2[opt_color_cut]
opt_rgb, ir_rgb, opt_agb, ir_agb = \
rgb_agb_regions(opt_gal, inputs.offsets, inputs.trgb_excludes,
inputs.opt_trgb, inputs.ir_trgb, opt_mag, ir_mag)
out.write(fmt % (opt_files[i].split('.')[0], len(opt_rgb), len(opt_agb),
len(ir_rgb), len(ir_agb), opt_gal.mag2.max(),
ir_gal.mag2.max(), opt_gal.mag2.min(),
ir_gal.mag2.min()))
