def read_catalog(fctlg):
events = read_ctlg(fctlg)
events = slice_ctlg(events,
lat_rng=lat_rng,
lon_rng=lon_rng,
dep_rng=dep_rng)
lat = np.array(list(events['lat']))
lon = np.array(list(events['lon']))
dep = np.array(list(events['dep'])) + dep_corr
mag = (np.array(list(events['mag'])) + mag_corr) * mark_size
return lat, lon, dep, mag
dep_rng = [0, 20]
mag_rng = [-1, 8]
# fig params
fig_size = (8,6)
fsize_label = 14
fsize_title = 18
mark_size = 10.
alpha = 0.6
mark_non_cum = '^'
mark_cum = '.'
# read catalog
mags = []
for fctlg in fctlgs:
events = read_ctlg(fctlg)
events = slice_ctlg(events, mag_rng=mag_rng, lat_rng=lat_rng, lon_rng=lon_rng, dep_rng=dep_rng)
mags.append(np.array(list(events['mag'])))
# start plot
plt.figure(figsize=fig_size)
p_list = []
for i in range(len(fctlgs)):
mag_bin, num, cum_num = calc_fmd(mags[i])
p_i = plt.semilogy(mag_bin, num, mark_non_cum, markersize=mark_size, color=colors[i], alpha=alpha)
p_i+= plt.semilogy(mag_bin, cum_num, mark_cum, markersize=mark_size, color=colors[i], alpha=alpha)
p_list.append(p_i[0])
plt.legend(p_list, names, fontsize=fsize_label)
plt.xlabel('Magnitude', fontsize=fsize_label)
plt.ylabel('Number', fontsize=fsize_label)
ax = plt.gca()
plt.setp(ax.xaxis.get_majorticklabels(), fontsize=fsize_label)