On Sep 4, 2012, at 5:33PM, Jae-Joon Lee wrote:
> 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
JJ,
Thank you for responding. I was looking for the _legmarker method, which works
great.
Thanks,
Sterling
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