Le 03/04/2009 à 19:00, Hezekiah M. Carty a écrit : > On Fri, Apr 3, 2009 at 1:45 AM, Alain Baeckeroot > <alain.baecker...@laposte.net> wrote: > > Hello > > > > I'm usng plplot since several days, and i need to plot several lines > > on one graph (lets say one dotted red, one thick green, one dashed blue). > > Is there a function to display the legend showing colored line (with > > proper style) and a text : > > --- (blue) "Var 1" > > ... (red) "Var 2" > > === (green) "Var 3" > > > > or do i need to build it by myself ? > > > > Alain. > > Alain, > > There is not a legend function in the core library. If you do write > something for this, plgchr (get character height) may be useful for > scaling the spacing between legend entries. > > The attached file has a simple if naively implemented legend function > I wrote some time ago using the OCaml PLplot bindings. > "character_height_wc" gets the text height in plot-world coordinates > and "draw_legend" draws the legend. It may be useful if you wish to > write your own. > > Best of luck! > Thanks for the tips and the code.
Maybe this kind of "utilities" should go somewhere in the wiki or in a toolbox_simple ? I found the example on the site useful, but a bit difficult for starting, as they contain many things and its hard to know what are the minimum required instructions to draw something (eg plend1 or plend). Alain ------------------------------------------------------------------------------ _______________________________________________ Plplot-general mailing list Plplot-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-general
