[Octave-bug-tracker] [bug #50071] bwfill(..., 4) in Octave behaves like bwfill(..., 8) in MATLAB and vice versa

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?50071>

                 Summary: bwfill(...,4) in Octave behaves like bwfill(...,8)
in MATLAB and vice versa
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Tue 17 Jan 2017 09:53:54 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: flawr
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.3
        Operating System: Microsoft Windows

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Details:

Compare the output of 

img = [0,1,0;0,1,1;1,0,1]; bwfill(img,1,1,8)

and

img  = [0,1,0;0,1,1;1,0,1]; bwfill(img,1,1,4)

both in MATLAB and in Octave. 

bwfill(img,1,1,8)

in Octave generates the same as 

bwfill(img,1,1,4) 

in MATLAB and vice versa. This is very confusing.




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