[Octave-bug-tracker] [bug #39552] quiver/quiver3 ignores scale with only one point to plot

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?39552>

                 Summary: quiver/quiver3 ignores scale with only one point to
plot
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Mon 22 Jul 2013 07:34:49 PM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Alex Burka
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.4
        Operating System: Mac OS

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Details:

The functions quiver and quiver3 take an optional scaling value "to use for
the arrows of the field relative to the mesh spacing." However, if only one
point is passed to quiver (or quiver3), this scaling factor is ignored. The
bug is in /usr/local/share/octave/3.6.4/m/plot/private/__quiver__.m on line
108, where changing > to >= fixes the problem.

I am testing on OS X (octave installed with brew) and gnuplot plotting, but I
think those are irrelevant for this bug.



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File Attachments:


-------------------------------------------------------
Date: Mon 22 Jul 2013 07:34:49 PM UTC  Name: __quiver__.m  Size: 13kB   By:
None

<http://savannah.gnu.org/bugs/download.php?file_id=28644>

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