Hello,
I am trying to make a wireframe plot with the x,y,z values in my data
(attached file). I get the following error which i dnt understand. Kindly
write me what is going wrong.

Traceback (most recent call last):
  File "test.py", line 14, in <module>
    ax.plot_wireframe(d1,d2,d3)
  File "/usr/lib/pymodules/python2.7/mpl_toolkits/mplot3d/axes3d.py", line
687, in plot_wireframe
    rows, cols = Z.shape
ValueError: need more than 1 value to unpack

I used is similar code as in the gallery.

#!/usr/bin/env python
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt

d1=np.loadtxt('test.dat',usecols=(0,))
d2=np.loadtxt('test.dat',usecols=(1,))
d3=np.loadtxt('test.dat',usecols=(2,))

fig=plt.figure()
ax = Axes3D(fig)

ax.plot_wireframe(d1,d2,d3)

Thanks,
Bala

Attachment: test.dat
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