Hello,
I'm having a weird problem with a contour plot. Consider the following
plots:
import cPickle as pickle
import matplotlib.pyplot as plt
(Theta, Phi, Bnormal) = pickle.load(open('trouble.pickle', 'rb'))
plt.figure(0)
for i in [0, 300]:
plt.plot(Theta, Bnormal[:, i], label='Bnormal at Phi=%.3g' % Phi[i])
plt.ylabel('Theta')
plt.legend()
plt.savefig('figure0.png')
plt.figure(1)
plt.contourf(Phi, Theta, Bnormal)
plt.xlabel('Phi')
plt.ylabel('Theta')
plt.colorbar()
plt.savefig('figure1.png')
The 'trouble.pickle' file is available on
http://www.rath.org/trouble.pickle. At Phi=0 the contour plot agrees
with the crossection (both show an n=7 oscillation), but at Phi=1.68 the
contour plot shows a uniform value while the crossection shows a phase
shifted version of oscillation at Phi=0.
It seems to me that this is a blatant contradiction.
I have also uploaded the two figures at http://www.rath.org/figure1.png
and http://www.rath.org/figure0.png.
Am I missing something, or is this a bug?
$ python --version
Python 2.6.5
$ python -c 'import matplotlib; print matplotlib.__version__'
1.0.0
Thanks,
-Nikolaus
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