hi all,
suppose i have am plotting several lines using ‘plot’, some are dashed
(using ‘–’) and some are ordinary solid lines. i am plotting several
solid and several dashed lines, all in different colors, as in:
for n in num_lines:
plot dashed line
plot(line_x[n], line_y[n], ‘–’, color=line_color[n], label=“line %d” %(n))
plot ordinary line in different color
plot(line_x[n], line_y[n], color=other_line_color[n], label=“line %d” %(n))
…
If i plot n lines, i don’t want the legend to show n-items, giving a separate key for each line. rather, i want it to display a legend containing a label for the dashed lines and a label for the solid lines, as in:
Legend:
[-- line of type A
so 2 entries rather than as many entries as i have lines. how can i do this?
finally, how can i make it so the legend does not interfere with the plot? right now the lines appear “behind” the legend. it’d be great if the legend could be made to be in the background of the line (i.e. be transparent.)
thank you.
hi all,
suppose i have am plotting several lines using 'plot', some are dashed
(using '--') and some are ordinary solid lines. i am plotting several solid
and several dashed lines, all in different colors, as in:
for n in num_lines:
# plot dashed line
plot(line_x[n], line_y[n], '--', color=line_color[n], label="line %d"
%(n))
# plot ordinary line in different color
plot(line_x[n], line_y[n], color=other_line_color[n], label="line %d"
%(n))
...
If i plot n lines, i don't want the legend to show n-items, giving a
separate key for each line. rather, i want it to display a legend containing
a label for the dashed lines and a label for the solid lines, as in:
Legend:
[-- line of type A
- line of type B]
so 2 entries rather than as many entries as i have lines. how can i do this?
If you set "_nolegend_" as label, that line will not be displayed in the legend.
http://matplotlib.sourceforge.net/api/pyplot_api.html?highlight=legend#matplotlib.pyplot.legend
Or, you may manually select which lines to be displayed.
See the above documentation for more details.
finally, how can i make it so the legend does not interfere with the plot?
right now the lines appear "behind" the legend. it'd be great if the legend
could be made to be in the background of the line (i.e. be transparent.)
reduce the zorder of the legend less than that of the lines.
http://matplotlib.sourceforge.net/api/artist_api.html?highlight=zorder#matplotlib.artist.Artist.set_zorder
e.g.,
l = legend()
l.set_zorder(0)
Regards,
-JJ
···
On Thu, Jul 16, 2009 at 10:49 PM, per freem<perfreem@...287...> wrote:
thank you.
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