[Octave-bug-tracker] [bug #33779] FLTK plotting doesn't work quite right

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?33779>

                 Summary: FLTK plotting doesn't work quite right
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fri 15 Jul 2011 09:24:42 PM UTC
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Bill Eaton
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.4.2
        Operating System: Microsoft Windows

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Details:

This could be a case of incorrect versioning. In the current build of 3.4.2
for Windows, FLTK plotting doesn't seem to work at all. It seems that
  opts.binary 
  opts.ghostscript.binary
don't get set properly in
  Octave\3.4.2\share\octave\3.4.2\m\plot\__fltk_print__.m
  Octave\3.4.2\share\octave\3.4.2\m\plot\private__ghostscript__.m


So then I hacked
   __ghostscript__.m
To set opts.binary just before the error check on line 134. 

Finally, ghostscript seems to be called, but I get warnings:
  warning: unrecognized escape sequence `\P' -- converting to `P'
  warning: unrecognized escape sequence `\g' -- converting to `g'

And in the end, no output. I was trying to make PNG files. 
I'm using Ghostscript 8.64. Maybe I'm too far out of date.





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