matplotlibによるVNA測定結果の3D表示

pylab-plot3d.py

import matplotlib as mpl
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt

f,arg,mag,ref = np.loadtxt('vnaplot.dat', delimiter=' ', unpack=True)

mpl.rcParams['legend.fontsize'] = 10

fig = plt.figure()
ax = fig.gca(projection='3d')

r = 10**mag
y = r * np.cos(arg)
z = r * np.sin(arg)
ax.plot(f, y, z, label='magnitude')
ax.legend()

plt.show()