[Octave-bug-tracker] [bug #59953] image package: imtransform xdata can't handle descending order

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?59953>

                 Summary: image package: imtransform xdata can't handle
descending order
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 27 Jan 2021 09:30:55 AM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 5.2.0
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:


im = [1 2;3 4];
tmat = [eye(2); 0 0];
T = maketform ('affine', tmat);
im2 = imtransform (im, T, 'xdata', [3 1], 'ydata', [1 3]);


This code would result in [0 2 1; 0 4 3; 0 0 0] in Matlab but a 3x0 matrix in
Octave.




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