Re: Special|backslash (\) characters are not interpreted when printing to PDF

[Ben Abbott]

On Apr 27, 2014, at 7:40 AM, tomdylan <address@hidden> wrote:

> I just found out how to set the grafics_toolkit to gnuplot:
>>> graphics_toolkit ("gnuplot")
>>> graphics_toolkit()
> ans = gnuplot
> 
> then I restarted my programme and I received after the mentioned warnings:
> 
> warning: print.m: epstool binary is not available.
> Some output formats are not available.
> warning: print.m: fig2dev binary is not available.
> Some output formats are not available.
> 
> now a couple of error messages:
> error: popen2: popen2 (child): unable to start process -- Datei oder
> Verzeichnis nicht gefunden (=file or directory not found)
> error: called from:
> error:  
> /usr/share/octave/3.8.1/m/plot/util/private/__gnuplot_open_stream__.m at
> line 30, column 40
> error:   /usr/share/octave/3.8.1/m/plot/util/__gnuplot_drawnow__.m at line
> 72, column 19
> error:   /usr/share/octave/3.8.1/m/plot/util/print.m at line 309, column 5
> 
> I found __gnuplot_open_stream__.m on board, a "subroutine"? (sorry I am kind
> of a fossil, I learned programming Fortran77 on 80 characters punching
> cards...) however when I saw the author, my day brightened up ;-)
> 
> ## Author: Ben Abbott <address@hidden>
> ## Created: 2009-04-11
> 
> Ben, you might tell me/us, what is wrong with popen2. 
> 
> Am I on the "right track", trying to print PDF in the gnuplot
> graphics_toolkit?

It appears that Octave can not find your gnuplot.  Did you install gnuplot? Is 
it in your path?   If it is installed and you can confirm it is in your path 
when Octave is running by typing "system ('which gnuplot')" at Octave's prompt.

Ben