In gnuplot it is quite easy to create two axes, but I can't figure out
how to do it in matplotlib. I'm trying this:
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
for key1 in keys1:
ax1.plot(x, y, style, label=label, color=color, linewidth=3)
ax1.set_xlabel(xlabel)
ax1.set_ylabel(ylabel1)
ax2.set_ylabel(ylabel2)
plt.legend(loc='lower right', shadow=True)
plt.suptitle(title, fontsize=14, fontweight='bold')
axes = plt.gca()
axes.set_ylim([0,1])
plt.grid(b=True, which='major', color='k', linestyle='--')
plt.savefig('{}.png'.format(key1), dpi=600)
plt.close()
plt.clf()
But I get this error:
lib/python3.3/site-packages/matplotlib/axes.py:4749: UserWarning: No
labeled objects found. Use label='...' kwarg on individual plots.
warnings.warn("No labeled objects found. "
What am I doing wrong? Thanks.
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