[magick-users] convert -crop image quality question

[Anthony Thyssen]

"Gabe Schaffer" on  wrote...
| On 11/6/06, J. Young <jyoung82 at carolina.rr.com> wrote:
| > Gabe Schaffer wrote:
| > > On 11/5/06, Anthony Thyssen <anthony at griffith.edu.au> wrote:
| > >> "J. Young" on  wrote...
| > >
| > >> | convert bigpage.jpg -crop 50%x0+0+0 page1.jpg
| > >> | convert bigpage.jpg -gravity East -crop 50%x0+0+0 page2.jpg
| > >> |
| > >> | So this works ok, but is it a lossless operation as far as image
| > >> | quality?  If not, could someone recommend a lossless equivalent?
| > >> |
| > >> JPEG to JPEG is always lossless in IM.
| > >
| > > Always lossless? Did you mean never?
| 
| That's strange. Did you check out http://www.jpegclub.org/droppatch.tar.gz ??
| 
Hmmm that does not appear to be part of the standard linux distribution
or updates.  At least not for Fedora Core 5.  I am upgrading to FC6
shortly.

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