[Octave-bug-tracker] [bug #30950] wrong axes ranges in imagesc(x, y, z)

[Petr Mikulik]

URL:
  <http://savannah.gnu.org/bugs/?30950>

                 Summary: wrong axes ranges in imagesc(x,y,z)
                 Project: GNU Octave
            Submitted by: mikulik
            Submitted on: Thu Sep  2 15:39:26 2010
                Category: Interpreter
                Severity: 3 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

The 3.3.x and the development series of Octave adds plenty of empty (white)
space around the data image. Octave 3.2 works correctly (tight boundary, no
white space).

Commands to demonstrate this:

z=1./hilb(9);
x=-0.6:0.2:0.6;
y=-2.6:0.4:2.6;
imagesc(x,y,z);

or

z=1./hilb(9);
x=-3:3;
y=-3:3;
imagesc(x,y,z);

If the x and y limits are larger than +-4, then figure is OK:
z=1./hilb(9);
x=-4:4;
y=-4:4;
imagesc(x,y,z);





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