from pylab import *
from mpl_toolkits.mplot3d.axes3d import Axes3D
 
data = loadtxt("T3Pt-5_5-VISB.dat0x")
x = data[0,1:]
y = data[1::10,0]
z = data[1::10,1:]
 
idx = argsort(x)
x = x[idx]
z = z[:,idx]
 
ax = gca(projection='3d')
ax.plot_wireframe(x[newaxis,:], y[:,newaxis], z)
plt.show()