#!/usr/bin/python
from mpl_toolkits import mplot3d
import numpy as np
import matplotlib.pyplot as plt


func=np.loadtxt("k_tulem.dat")
x=func[:,1]
y=func[:,2]
z=func[:,3]

p3f=plt.axes(projection="3d")

p3f.plot3D(x,y,z)
plt.grid()
plt.show()