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Circular markers plotted in SubplotHost do not appear in legend #81
Description
The following example illustrates an issue that occurs when using scatter to plot circular markers in a SubplotHost instance:
import matplotlib.pyplot as plt
import mpl_toolkits.axes_grid.parasite_axes as mpltk
fig = plt.figure()
ax = fig.add_subplot(1,1,1)
ax.scatter([0.4],[0.5], marker='x', label='crosses')
ax.scatter([0.5],[0.5], marker='o', label='circles')
ax.scatter([0.6],[0.5], marker='^', label='arrows')
ax.set_xlim(0.,1.)
ax.set_ylim(0.,1.)
ax.legend()
fig.savefig('test_original.png')
fig = plt.figure()
ax = mpltk.SubplotHost(fig, 1, 1, 1)
fig.add_axes(ax)
ax.scatter([0.4],[0.5], marker='x', label='crosses')
ax.scatter([0.5],[0.5], marker='o', label='circles')
ax.scatter([0.6],[0.5], marker='^', label='arrows')
ax.set_xlim(0.,1.)
ax.set_ylim(0.,1.)
ax.legend()
fig.savefig('test_mpl_toolkit.png')
The circular markers do not appear in the legend when using SubplotHost.
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axes_grid1 : fix missing circle-type scatter plot in legend. close #81.
Merge pull request matplotlib#81 from fgoudreault/data_unittests