def update_station_list(txt, jsn):
if util.age(txt) < util.age(jsn):
return
# rebuild the json file
initialize_stations(txt, jsn)
logging.debug(f"rebuilt {jsn} from {txt}")
def update_history(self, tx_history):
from util import format_satoshis, age
self.history_list.empty()
for item in tx_history[-10:]:
tx_hash, conf, is_mine, value, fee, balance, timestamp = item
label = self.actuator.wallet.get_label(tx_hash)[0]
#amount = D(value) / 10**8
v_str = format_satoshis(value, True)
self.history_list.append(label, v_str, age(timestamp))
def main():
# Global Variables
config_path = 'physics_settings/configb.sh'
config = updated_config(config_path)
lambda1 = 1000
lambda2 = 12000
infileb = 'sed/ssp_pf.cat'
infiled = 'sed/exp9_pf.cat'
# Derived names
z = float(config['fixed_redshift'])
outfileb = 'sed/ssp_pf_interpolated_z{}.csv'.format(z)
outfiled = 'sed/exp9_pf_interpolated_z{}.csv'.format(z)
# Parameters
age = util.age(4.0) - util.age(z)
age = int(round(age)) # Nearest Gyr
age = age - 1 # column 0 is 1 Gyr
age = abs(age)
# Interpolate
interpolate_flux(config, infileb, outfileb, lambda1, lambda2)
interpolate_flux(config, infiled, outfiled, lambda1, lambda2)
def interpolate_flux(config, infile, outfile, lambda1, lambda2):
""" Interpolate the sed file in step of 1 Angstrom."""
z = float(config['fixed_redshift'])
age1 = util.age(z) - util.age(4.0)
age = abs(int(round(age1))) # Nearest Gyr
# Get columns of sed file.
wave, flux_z, flux12 = np.loadtxt(infile,
skiprows=15,
unpack=True,
dtype='float',
usecols=(0, age, 12))
# wavelength range to interpolate
nums = int(lambda2 - lambda1) + 1
waverange = np.linspace(lambda1, lambda2, num=nums, endpoint=True)
# interpolation
#print('{} {} {}'.format('\nInterpolating flux from the file : ', infile, ' \n...'))
iflux_z = sp.interpolate.interp1d(wave, flux_z, kind='cubic')(waverange)
iflux12 = sp.interpolate.interp1d(wave, flux12, kind='cubic')(waverange)
# write to a file
# second column must be flux_z, it will be read by another program.
hdr = '%-14s %-14s %+18s' % ('wavelength', 'flux_z'.format(age), 'flux12')
np.savetxt(outfile,
list(map(list, zip(*[waverange, iflux_z, iflux12]))),
fmt=['%-13d', '%.13e', '%.13e'],
delimiter='\t',
newline='\n',
header=hdr)
# output info
print('Interpolating from %d to %d from file: %s' %
(lambda1, lambda2, infile))
print('Writing interpolated file to:', outfile, '\n')
# Galaxy and Universe Ages
print('Age of Universe for z = {:4.1f} is {:4.2f} Gyr'.format(
0, util.age(0)))
print('Age of Universe for z = {:4.1f} is {:4.2f} Gyr'.format(
z, util.age(z)))
print('Age of Universe for z = {:4.1f} is {:4.2f} Gyr'.format(
4, util.age(4)))
print('Difference is {:4.2f} Gyr'.format(
util.age(z) - util.age(4)))
print('Age of Galaxy for z = {:4.1f} is {:4d} Gyr'.format(z, age))
def test_age():
now = time.time()
assert_equals(util.age(now - util.MINUTE * 1.5), "about 1 minute ago")
