import pandas as pd
import matplotlib.pyplot as plt
from matplotlib.figure import Figure

# sample file
#F1,F2,F3
#4.527,-1.082,-2.776
#4.599,-1.132,-2.858
#-1.015,0.557,0.120
#2.352,0.066,0.059
op = pd.read_csv("observation_points.csv")
of1 = op['F1'].values
of2 = op['F2'].values
of3 = op['F3'].values

# sample file
#F1,F2,F3
#-0.140,0.499,-0.658
#0.729,-0.082,-0.543
#0.870,-0.042,-0.035
vp= pd.read_csv("variable_points.csv")
vf1 = vp['F1'].values
vf2 = vp['F2'].values
vf3 = vp['F3'].values

fig = plt.figure(figsize = (16,8))
ax = fig.add_subplot(1, 2, 2)
ax.scatter( of1, of2, c=colors )
ax.set_xlabel('F1', fontsize = 15)
ax.set_ylabel('F2', fontsize = 15)
ax.grid()


ax2 = fig.add_subplot(1, 2, 1)
ax2.scatter( vf1, vf2 )
ax = plt.axes()
for i in range(len(vp.index)):
   px = vf1[ i ]
   py = vf2[ i ]
   ax.arrow(0, 0, px, py, head_width=0, head_length=0.1, length_includes_head=True)

circle = plt.Circle((0, 0), 1, facecolor='none', edgecolor='b')
ax2.add_artist(circle)
ax2.set_xlabel('F1', fontsize = 15)
ax2.set_ylabel('F2', fontsize = 15)
ax2.grid()