[Octave-bug-tracker] [bug #38914] Gnuplot axis reverse is not working

[Dan Sebald]

URL:
  <http://savannah.gnu.org/bugs/?38914>

                 Summary: Gnuplot axis reverse is not working
                 Project: GNU Octave
            Submitted by: sebald
            Submitted on: Tue 07 May 2013 12:20:05 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: Any

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Details:

The "image" command is not producing an image with the y-axis reversed,
although the matryoshka pointer info all looks correct.

The issue is that gnuplot graphics code is using the keyword
"reverse"/"noreverse" but that only applies to automatic xrange
specifications.  When actual numerical values are given for the range (which
is always the case here), the range values (e.g., xlim) need to be reversed.

I will attach a patch after submitting this report.




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