On Wed, Sep 5, 2012 at 6:05 AM, Sterling Smith <smit...@fusion.gat.com> wrote:
> I still do not get black markers. Furthermore, if you try to make a new
> legend with the result of leg.get_lines(), you will get lines without
> markers, which leads me to the conclusion I stated in my previous email
> (which you did not copy)
>>> I suspect that this is because the legend marker is drawn separately from
>>> the legend line to accommodate the numpoints argument of the legend
>>> functions. Then the question is how to access these markers if they are
>>> separate from the line2d objects in the legend. I didn't even see them in
>>> the children of the legend [legend.get_children()].
This is correct. To support legend handle like --o-- (i.e., no markers
at the ends), lines and markers are drawn as a separate artist. You
may use something like,
line[0]._legmarker.set_markerfacecolor('black')
line[1]._legmarker.set_markerfacecolor('black')
I, personally, recommend you to use a proxy artist.
http://matplotlib.sourceforge.net/users/legend_guide.html#using-proxy-artist
For example,
You may do something like
import pylab
pylab.plot(pylab.linspace(0,1,100),marker='o',ls='')
pylab.plot(pylab.linspace(0,1,100),marker='o',ls='-')
# creates artists for legend purpose only
l1, = pylab.plot(pylab.linspace(0,1,100), 'ko-')
l2, = pylab.plot(pylab.linspace(0,1,100), 'ko')
# remove them from the axes.
l1.remove()
l2.remove()
leg=pylab.legend([l1, l2], ["Test 1", "Test 2"], loc='best')
Regards,
-JJ
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