m-thesis-introduction/simulations/airshower_beacon_simulation/da_reconstruction.py

85 lines
2.3 KiB
Python
Executable file

#!/usr/bin/env python3
# vim: fdm=indent ts=4
"""
Do a reconstruction of airshower after correcting for the
clock offsets.
"""
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D # required for projection='3d' on old matplotliblib versions
import numpy as np
from os import path
import pickle
import joblib
from earsim import REvent
from atmocal import AtmoCal
import aa_generate_beacon as beacon
import lib
from lib import rit
if __name__ == "__main__":
import sys
import os
import matplotlib
if os.name == 'posix' and "DISPLAY" not in os.environ:
matplotlib.use('Agg')
atm = AtmoCal()
from scriptlib import MyArgumentParser
parser = MyArgumentParser()
args = parser.parse_args()
fname = "ZH_airshower/mysim.sry"
fig_dir = args.fig_dir
fig_subdir = path.join(fig_dir, 'reconstruction')
show_plots = args.show_plots
####
fname_dir = path.dirname(fname)
antennas_fname = path.join(fname_dir, beacon.antennas_fname)
pickle_fname = path.join(fname_dir, 'res.pkl')
# create fig_dir
if fig_dir:
os.makedirs(fig_dir, exist_ok=True)
if fig_subdir:
os.makedirs(fig_subdir, exist_ok=True)
# Read in antennas from file
_, tx, antennas = beacon.read_beacon_hdf5(antennas_fname)
# Read original REvent
ev = REvent(fname)
# .. patch in our antennas
ev.antennas = antennas
# For now only implement using one freq_name
freq_names = antennas[0].beacon_info.keys()
if len(freq_names) > 1:
raise NotImplementedError
freq_name = next(iter(freq_names))
f_beacon = ev.antennas[0].beacon_info[freq_name]['freq']
# Repair clock offsets with the measured offsets
for i, ant in enumerate(ev.antennas):
clock_phase_time = ant.beacon_info[freq_name]['sigma_phase_mean']/(2*np.pi*f_beacon)
best_k_time = ant.beacon_info[freq_name]['best_k_time']
total_clock_time = best_k_time + clock_phase_time
ev.antennas[i].t += total_clock_time
N_X, Xlow, Xhigh = 23, 100, 1200
with joblib.parallel_backend("loky"):
res = rit.reconstruction(ev, outfile=fig_subdir+'/fig.pdf', slice_outdir=fig_subdir+'/', Xlow=Xlow, N_X=N_X, Xhigh=Xhigh)
## Save a pickle
with open(pickle_fname, 'wb') as fp:
pickle.dump(res,fp)
if show_plots:
plt.show()