用python画 pareto front
import os
import matplotlib.pyplot as plt
import numpy as np
def Read_Files(filename):
X_axis = [] # X
Y_axis = [] # Y
with open(filename, 'r') as f:
for line in f.readlines():
x = line.split(" ")[0]
y = line.split(" ")[1]
X_axis.append(float(x))
Y_axis.append(float(y))
f.close()
return X_axis, Y_axis
def plot_PF(X_axis, Y_axis):
# 可以通过c 参数设置颜色
# T = np.arctan2(Y_axis, X_axis)
# plt.scatter(X_axis, Y_axis, s=2, c=T, alpha=0.5)
plt.scatter(X_axis, Y_axis, s=20, alpha=0.5)
plt.savefig(Figname + '.png', dpi=600)
plt.show()
Filename = './data/CIHS1_hType_circle.pf'
Figname='CIHS1_hType_circle'
X_axis, Y_axis = Read_Files(Filename)
T = np.arctan2(Y_axis, X_axis)
plot_PF(X_axis, Y_axis)