[magick-users] disable antialias on rotations with perlMagick

Anthony Thyssen anthony at griffith.edu.au
Thu Jul 27 01:19:46 PDT 2006


"Gabe Schaffer" on  wrote...
| > I was wondering if there was a way to turn off antialiasing for rotation,
| > or a different method to rotate an image w/o otherwise altering the data?
| 
| You could try to do an affine transform. You'll have to look up the
| parameters for a rotate transform, though.
| 
Nope, that is interpolated

The affine transform for the drawing surface in MVG currently does not
interpolate though.   Nor does a DIY -fx positional map.
I have a rotational map for that one already...
  http://www.cit.gu.edu.au/~anthony/graphics/imagick6/distorts/#position_maps



  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
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