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

102 lines
2.9 KiB
Python
Executable file

#!/usr/bin/env python3
# vim: fdm=indent ts=4
import h5py
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
from copy import deepcopy
import aa_generate_beacon as beacon
import lib
from lib import rit
from earsim import REvent, Antenna
from atmocal import AtmoCal
import pickle
if __name__ == "__main__":
from os import path
import sys
fname = "ZH_airshower/mysim.sry"
####
fname_dir = path.dirname(fname)
if True: # use the original files
ev = REvent(fname)
# Full reconstruction?
if False:
print("Full reconstruction")
with open('ritdir/res.pkl', 'wb') as fp:
res = rit.reconstruction(ev, outfile='ritdir/fig.pdf', slice_outdir='ritdir/')
pickle.dump(res, fp)
sys.exit(0)
# Else do single slice for original timing
# and randomised timing
print("Shower plane reconstruction + randomised timing")
atm = AtmoCal()
X = 750
max_clock_offset = 10# ns
rit.set_pol_and_bp(ev)
dXref = atm.distance_to_slant_depth(np.deg2rad(ev.zenith),X,0)
scale2d = dXref*np.tan(np.deg2rad(2.))
ants_copy = deepcopy(ev.antennas)
# randomise timing for antenna copies
seed = 12345
rng = np.random.default_rng(seed)
clock_offsets = max_clock_offset * (2*rng.uniform(size=len(ants_copy)) - 1)
for i, ant in enumerate(ants_copy):
ant.t -= clock_offsets[i]
fig, axs = plt.subplots(1,2, sharex=True, sharey=True)
fig.suptitle(f"Reconstructed Shower plane slice at X={X}")
for ax in axs:
ax.set_xlabel("-v x B (m)")
ax.set_ylabel(" vxvxB (m)")
axs[0].set_title("Simulated timing")
axs[1].set_title(f"Randomised timing [0, {max_clock_offset}]")
try:
for i, ax in enumerate(axs):
# modify timing
if i == 1:
ev.antennas = ants_copy
xx,yy,p,km= rit.shower_plane_slice(ev,X,21,21,scale2d,scale2d)
if i == 0:
vmax, vmin = max(p), min(p)
sc = ax.scatter(xx,yy,c=p, vmax=vmax, vmin=vmin)
# Plot centers
im = np.argmax(p)
ax.plot(0, 0,'r+',ms=30)
ax.plot(xx[im],yy[im],'bx',ms=30)
fig.colorbar(sc, ax=axs[0])
# Always make sure to show the plot
except:
plt.show()
if True:
fig.savefig(f"shower_plane_slice_X{X}_T{max_clock_offset}.pdf")
else:
raise NotImplementedError
antennas_fname = path.join(fname_dir, beacon.antennas_fname)
if not path.isfile(antennas_fname):
print("Antenna file cannot be found, did you try generating a beacon?")
sys.exit(1)
plt.show()