The current legend class does not support multiple columns.
Eric Wertman once mentioned in this list that he would work on this
feature, but I don't know the current status.
A (partial) rewrite of the legend class which I plan to support
multicolumns is in my TODO list but I haven't started it yet.
Meanwhile, you may try to make multiple legends as a posible workarounds.
For example, following code plots 10 lines and make two legends, each
with 5 lines, one at upper left and one at upper right.
ax = gca()
pl_list = []
for i in range(10):
pl, = ax.plot(random(10))
pl_list.append(pl)
from matplotlib.legend import Legend
l1 = Legend(ax, pl_list[:5], "01234", loc=2)
l2 = Legend(ax, pl_list[5:], "56789", loc=1)
#l1 = Legend(ax, pl_list[:5], "01234", loc=(0.02, 0.72))
#l2 = Legend(ax, pl_list[5:], "56789", loc=(0.2, 0.72))
ax.add_artist(l1)
ax.add_artist(l2)
draw()
You may manually adjust the legend position to place the legends side
by side (see the commented lines), but it would be somewhat tricky if
you need 4 columns.
-JJ
On Thu, Oct 9, 2008 at 10:50 AM, José Alexandre Nalon
<[EMAIL PROTECTED]> wrote:
> Hello,
>
> Is there an easy way to make a legend with multiple lines
> and columns? I need 8 plots in the same figure, and the
> legend takes a lot of space. I believe that if I could
> orient the legend in multiple lines and columns (say, 2
> lines with four columns each), I could save a lot of
> space, giving more room to the plots. Any other suggestion
> would be useful. Thanks in advance.
>
> --
> José Alexandre Nalon
> [EMAIL PROTECTED]
>
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