[Octave-bug-tracker] [bug #41822] No figures obtained by the cli

[Pantxo Diribarne]

Follow-up Comment #1, bug #41822 (project octave):

In order to list available terminals, you need to run 'set terminal' from 
inside a gnuplot session:


address@hidden:~$ cd /usr/local/octave/3.8.0/bin/
address@hidden:bin$ ./gnuplot

        G N U P L O T
        Version 4.6 patchlevel 4    last modified 2013-10-06 
        Build System: Darwin x86_64

        Copyright (C) 1986-1993, 1998, 2004, 2007-2013
        Thomas Williams, Colin Kelley and many others

        gnuplot home:     http://www.gnuplot.info
        faq, bugs, etc:   type "help FAQ"
        immediate help:   type "help"  (plot window: hit 'h')

gnuplot> set terminal

Available terminal types:
       cairolatex  LaTeX picture environment using graphicx package and Cairo
backend
           canvas  HTML Canvas object
              cgm  Computer Graphics Metafile
          context  ConTeXt with MetaFun (for PDF documents)
            corel  EPS format for CorelDRAW
             dumb  ascii art for anything that prints text
              dxf  dxf-file for AutoCad (default size 120x80)
            eepic  EEPIC -- extended LaTeX picture environment
              emf  Enhanced Metafile format
            emtex  LaTeX picture environment with emTeX specials
         epscairo  eps terminal based on cairo
         epslatex  LaTeX picture environment using graphicx package
              fig  FIG graphics language for XFIG graphics editor
              gif  GIF images using libgd and TrueType fonts
             gpic  GPIC -- Produce graphs in groff using the gpic
preprocessor
          hp2623A  HP2623A and maybe others
           hp2648  HP2648 and HP2647
             hpgl  HP7475 and relatives [number of pens] [eject]
           imagen  Imagen laser printer
             jpeg  JPEG images using libgd and TrueType fonts
            latex  LaTeX picture environment
              lua  Lua generic terminal driver
               mf  Metafont plotting standard
              mif  Frame maker MIF 3.00 format
               mp  MetaPost plotting standard
             pcl5  HP Designjet 750C, HP Laserjet III/IV, etc. (many options)
         pdfcairo  pdf terminal based on cairo
              png  PNG images using libgd and TrueType fonts
         pngcairo  png terminal based on cairo
       postscript  PostScript graphics, including EPSF embedded files (*.eps)
          pslatex  LaTeX picture environment with PostScript specials
            pstex  plain TeX with PostScript specials
         pstricks  LaTeX picture environment with PSTricks macros
              qms  QMS/QUIC Laser printer (also Talaris 1200 and others)
               qt  Qt terminal
            regis  REGIS graphics language
              svg  W3C Scalable Vector Graphics driver
          tek40xx  Tektronix 4010 and others; most TEK emulators
          tek410x  Tektronix 4106, 4107, 4109 and 420X terminals
          texdraw  LaTeX texdraw environment
             tgif  TGIF X11 [mode] [x,y] [dashed] ["font" [fontsize]]
             tikz  TeX TikZ graphics macros via the lua script driver
         tkcanvas  Tk/Tcl canvas widget [perltk] [interactive]
             tpic  TPIC -- LaTeX picture environment with tpic specials
          unknown  Unknown terminal type - not a plotting device
            vttek  VT-like tek40xx terminal emulator
            xterm  Xterm Tektronix 4014 Mode


You can see that the only "on-screen" terminal seems to be qt (no x11, no wxt,
no aqua). In octave 'setenv ("GNUTERM", "qt")' works fine for me.

In octave, "gnuplot_binary" returns "gnuplot", thus the first gnuplot binary
in the path is run. I had to remove the other places where I have gnuplot
installed (/sw in my case) from my PATH in order to run the expected gnuplot
binary.

At least "gnuplot_binary" should point to the one shipped with the dmg
installer, and GNUTERM should be set to "qt" by default as it's the only
available terminal. 


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