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Re: [Matplotlib-users] grouping several line types together in legend of plots
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From: Jae-Joon L. <lee...@gm...> - 2009-07-17 15:43:28
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On Thu, Jul 16, 2009 at 10:49 PM, per freem<per...@gm...> wrote: > 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 > thank you. > > ------------------------------------------------------------------------------ > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/Challenge > _______________________________________________ > Matplotlib-users mailing list > Mat...@li... > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > |