import numpy as np
import matplotlib.pyplot as plt

fine = np.loadtxt('profile_019_fine.txt')
rough = np.loadtxt('profile_019_rough.txt')

plt.step(fine[:,0],fine[:,1],label='fine')
plt.step(rough[:,0],rough[:,1],label='rough')
#plt.xlabel('Iteration')
#plt.ylabel('RMS emittance (mm mrad)')
plt.legend()
plt.show()