[Octave-bug-tracker] [bug #57040] contour does not merge axes domains, if hold

[Muhali]

URL:
  <https://savannah.gnu.org/bugs/?57040>

                 Summary: contour does not merge axes domains, if hold
                 Project: GNU Octave
            Submitted by: muhali
            Submitted on: Fri 11 Oct 2019 03:22:41 AM PDT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: GNU/Linux

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Details:

In this example


clf ; hold on
plot([0 10], [0 10])
[x, y, z] = peaks (50);
contour (x, y, z, -7:9);


the axes are scaled to [-3 3], clipping the upper part of the line. The
correct behavior would be to merge the x– and y–domains, as done in
Matlab.





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