Re: problem with placing legend with GNUplot

[Ben Abbott]

On May 5, 2012, at 12:12 PM, Karel Karlovič wrote:

> 
> 2012/5/5 Ben Abbott <address@hidden>
>> On May 5, 2012, at 7:50 AM, Karel Karlovič wrote:
>> 
>> > 2012/5/4 Ben Abbott <address@hidden>
>> >
>> >> On May 4, 2012, at 12:38 AM, kovarka4 wrote:
>> >>
>> >> > Wonderful!
>> >> >
>> >> > I'm using fltk, but I want to use gnuplot.
>> >> >
>> >> > close all
>> >> > graphics_toolkit gnuplot  work for one time. But when I close octave and
>> >> > open it again, there is again "fltk". Is there some possibility to 
>> >> > change
>> >> > graphics_toolkit to gnuplot permanently?
>> >> >
>> >> > And I have some other problem. I'm using non-english symbols like á é í 
>> >> > etc.
>> >> > Is there some possibility to use UTF-8?
>> >> >
>> >> > Thanks!
>> >>
>> >> To change the default, edit your ~/.octaverc file and change the line ...
>> >>
>> >>        graphics_toolkit fltk
>> >>
>> >> to
>> >>
>> >>        graphics_toolkit gnuplot
>> >>
>> >> Regarding the non-english symbols, I tried ...
>> >>
>> >>        text (0.5, 0.5, 'á é í')
>> >>
>> >> and the resulted rendered as desired. If it does not for you, the problem 
>> >> is with gnuplot and its fonts.
>> >>
>> >> Ben
>> >
>> > Yes, it works with the legend!
>> > Problem  with fonts is solved (maybe with using gnuplot?).
>> >
>> >
>> > But, when I make legend with
>> >
>> > legend(labels, "location", 'northeastoutside')
>> > legend("right")
>> > then color lines are still inside the box with graph. See pict1.png.
>> >
>> > When I make
>> >
>> > legend(labels, "location", 'northeastoutside') % not legend("right")
>> >
>> > color lines are outside, but text is on the border of graph. See pict2.png.
>> >
>> > Do you know how to get legend with lines alltogether outside of the box 
>> > with graph?
>> >
>> > Thanks!
>> 
>> If you can produce a simple example so that I (or someone else) can 
>> duplicate what you're seeing, then we can file a bug report and provide a 
>> work around for you.
>> 
>> Running the developers sources for Octave 3.6.x,  and with either the 
>> gnuplot and fltk graphics toolkits, the following works for me (the legend 
>> and plot box do not overlap)
>> 
>>        clf
>>        plot(1:10, 1:10);
>>        title("a very long label can sometimes cause problems");
>>        legend({"hello world"}, "location", "northeastoutside");
>> 
>> If I add ...
>> 
>>        legend right
>> 
>> There is still no overlap between the legend and plot box.
>> 
>> Ben
> 
> OK, I made this also
>  
> clf
>         plot(1:10, 1:10);
>         title("a very long label can sometimes cause problems");
>         legend({"hello world"}, "location", "northeastoutside");
>         legend("right");
>         print('-dpng','example.png');
>  
> and the result image stil has a line inside the graph box, part is over the 
> box...see example.png
>  
> And to my script...
>  
> format long g
>  
> vstup = [ 0.00500     0.02000    -0.02700     1.00000;
>     -0.00100     0.01000     0.03000     2.00000;
>      0.00500     0.00100    -0.00200     3.00000;
>      0.00400     0.00100     0.00100     4.00000;
>      0.00400     0.00000    -0.00100     5.00000;
>      0.00500     0.00300     0.00200     6.00000;
>      0.00600     0.00000     0.00300     7.00000;
>      0.00400    -0.00100     0.00300     8.00000;
>      0.00500    -0.00100     0.00100     9.00000;
>      0.00700    -0.00100     0.00100    10.00000;
>      0.01200     0.00900     0.00800    11.00000;
>      0.00000    -0.00800     0.00100    12.00000;
>     -0.00300    -0.01100    -0.00300    13.00000;
>     -0.00400    -0.01800    -0.00900    14.00000;
>     -0.00100    -0.00600     0.00000    15.00000;
>     -0.00200    -0.01200     0.00200    16.00000;
>      0.00600    -0.00100     0.00700    17.00000;
>     -0.00300    -0.00900    -0.00900    18.00000;
>      0.01200     0.01300     0.00800    19.00000;
>      0.00000    -0.00600     0.00000    20.00000;
>     -0.00100    -0.01100    -0.00200    21.00000;
>      0.00600    -0.00100     0.00500    22.00000;
>      0.00100    -0.00600     0.00400    23.00000;
>     -0.00300    -0.00800     0.00800    24.00000;
>      0.00400     0.00200     0.00800    25.00000];
> 
> % globalni prumery
> plat = [744958.652      1040903.756 258.727]; % A
> %%%%%%%%%%%%%%%%%%%%%
> % C O M P U T I N G %
> %%%%%%%%%%%%%%%%%%%%%
> # aa = [0,interval(1,1),interval(2,1),ii];  % hodnota, kde ma byt umisten 
> popisek
> # bb = [cas00;cas20;cas40;cas60]; % popisek na miste hodnoty aa
> ii=rows(vstup);
> interval = [ii/3,2*ii/3];
> figure(1)
> hold on
> title("Odchylka souřadnice X [m] od globálního průměru polohy pilíře")
> xlabel('jednotlivé body reprezentují čas záznamu po 15 sec')
> ylabel('odchylka od průměru [m]')
> plot([ii,0], [0,0],'-g') 
> plot(vstup(1:7,4),vstup(1:7,1),'-r',vstup(8:16,4),vstup(8:16,1),'-b',vstup(17:end,4),vstup(17:end,1),'-c')
> axis([00,ii,-0.02,0.02])
> labels={'globální průměr','CZEPOS','Trimble VRS Now','TopNET'};
> legend(labels, "location", 'northeastoutside')
> print('example2.png','-dpng');
> hold off
> pause
>  
>  
> When I don't write
>  
> legend("right");
>  
> it is prety good. But the no-english symbols are bad (see in the script and 
> on the image "example2.png").
>  
> I'm so sorry, if everything is my stupid mistake.
>  
> Karel

Ok. Thanks.

This definitely is not working correctly. I'll try to track down the problem.

Ben