May-28-2019, 05:29 AM
#!/usr/bin/python3 import matplotlib.pyplot as plt import numpy as np x,y,z = np.loadtxt("coordinates.txt", delimiter=' ', skiprows=1, unpack=True) keep = z > 0 x = x[keep] y = y[keep] print(x) print(y) plt.plot(x,y) plt.show() #done