nonlinearbaseline2025/lifsuscept.py
2025-05-16 17:06:54 +02:00

74 lines
2.3 KiB
Python

import matplotlib.pyplot as plt
import numpy as np
from matplotlib import rc
from threefish.defaults import default_figsize, default_settings
from threefish.load import save_visualization
from threefish.plot.plotstyle import plot_style
from threefish.plot.tags import tag2
from threefish.RAM.calc_analytics import calc_nonlin_analytic_values
from threefish.RAM.reformat_matrix import convert_csv_str_to_float
rc('text', usetex=True)
def plot_chi2():
default_settings() # ts=13, ls=13, fs=13, lw = 0.7
plot_style()
default_figsize(column=2, length=2.5)
fig, ax = plt.subplots(1, 2)
plt.subplots_adjust(bottom=0.2, wspace=0.35, left=0.1, right=0.92)
###################################################
transfer_values, suscept_values = calc_nonlin_analytic_values()
###################################################
# plot transfer function, panel A
transfer_values = transfer_values.astype(complex)
ax[0].plot(transfer_values.index, np.abs(transfer_values['transfer']),
color='black')
ax[0].set_xlabel(r'$f$')
ax[0].set_ylabel(r'$|\chi_{1}(f)|$')
ax[0].set_xlim(0, transfer_values.index[-1])
ylim = ax[0].get_ylim()
ax[0].set_ylim(0, ylim[-1])
###################################################
# plot matrix, panel B
suscept_values.columns = suscept_values.index
new_keys, stack_plot = convert_csv_str_to_float(suscept_values)
prss = np.abs(stack_plot)
vmax = np.quantile(prss, 0.994)
ten = 10**np.floor(np.log10(vmax))
for fac, delta in zip([1, 2, 3, 4, 6, 8, 10],
[0.5, 1, 1, 2, 3, 4, 5]):
if fac*ten >= vmax:
vmax = fac*ten
ten *= delta
break
pc = ax[1].pcolormesh(new_keys, new_keys, prss, rasterized=True,
cmap='viridis', vmin=0, vmax=vmax)
ax[1].set_aspect('equal')
cax = ax[1].inset_axes([1.04, 0, 0.05, 1])
cax.set_spines_outward('lrbt', 0)
fig.colorbar(pc, cax=cax, label=r'$|\chi_2(f_1, f_2)|$')
cax.set_yticks_delta(50)
ax[1].set_xlabel(r'$f_{1}$')
ax[1].set_ylabel(r'$f_{2}$')
ax[1].set_xlim(0, 1)
ax[1].set_ylim(0, 1)
ax[1].set_xticks_delta(0.2)
ax[1].set_xticks_delta(0.2)
tag2(axes=ax, xoffs=[-0.5, -5.5], yoffs=1.7) # ax_ams[3],
save_visualization()
if __name__ == '__main__':
plot_chi2()