[Octave-bug-tracker] [bug #31822] get/set children changes order

[Ben Abbott]

URL:
  <http://savannah.gnu.org/bugs/?31822>

                 Summary: get/set children changes order
                 Project: GNU Octave
            Submitted by: bpabbott
            Submitted on: Tue 07 Dec 2010 09:49:07 PM EST
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Ben Abbott
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Mac OS

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Details:

The set/get sequence flips the order of the children.


octave:1> x = 0:0.1:10;
octave:2> h = plot (x, sin(x), x, cos(x))
h =
  -38.362
  -39.023
octave:3> get (gca, "children")
ans =
  -39.023
  -38.362
octave:4> set (gca, "children", get (gca, "children"));
octave:5> get (gca, "children")
ans =
  -38.362
  -39.023


The same in Matlab gives


>> x = 0:0.1:10;
>> h = plot (x, sin(x), x, cos(x))
h =
  174.0016
  175.0011
>> get (gca, 'children')
ans =
  175.0011
  174.0016
>> set (gca, 'children', get (gca, 'children'))
>> get (gca, 'children')
ans =
  175.0011
  174.0016


Comparing the two, it appear that setting the children reverses the order. 




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