[Octave-bug-tracker] [bug #31711] no title with 3D plots using gnuplot graphics backend

[John W. Eaton]

URL:
  <http://savannah.gnu.org/bugs/?31711>

                 Summary: no title with 3D plots using gnuplot graphics
backend
                 Project: GNU Octave
            Submitted by: jwe
            Submitted on: Sat 20 Nov 2010 08:07:17 AM GMT
                Category: Plotting with gnuplot
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

I'm not seeing plot titles in 3D plots with the gnuplot grahpics backend. 
For example

  sombrero
  title ("foobar")

does not have a title.  The problem seems to be this code in
__go_draw_axes__.m:


        if (nd == 3
            && __gnuplot_has_feature__
("screen_coordinates_for_{lrtb}margin"))
          fprintf (plot_stream, " offset screen 0, screen %.3f;n",
pos(4)/5);


I don't understand the intent here, but it appears to be the Y offset that is
causing the trouble.




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