[magick-users] jpg to eps keeping all pixels

[Anthony Thyssen]

luis at itaapy.com on  wrote...
| > Here an other exemple::
| >
| >   $ identify aa.jpg ; jpeginfo aa.jpg
| >   aa.jpg JPEG 800x600 DirectClass 72kb
| >   aa.jpg  800 x 600  24bit JFIF  N   74016
| >   $
| >   $ convert aa.jpg aa.eps; identify aa.eps
| >   aa.eps PS 315x236 315x236+0+0 DirectClass 218kb
| 
| So jpg -> eps     did not work
| 
| > In some cases if I convert throught png that work ! ::
| >
| >   $ convert aa.jpg aa.png
| >   $ convert aa.png aa.eps; identify aa.eps
| >   aa.eps PS 800x600 800x600+0+0 DirectClass 1.4mb
| >
| > But not in this case::
| >
| >   $ identify test.jpg
| >   test.jpg JPEG 809x588 DirectClass 98kb
| >   $ convert test.jpg test.png
| >   $ convert test.png test.eps; identify test.eps
| >   test.eps PS 613x441 613x441+0+0 DirectClass 792kb
| 
| Does someone has an explanation about the fact that
| 
| jpg -> png -> eps keep (in some cases) all pixels ?
| 
That sort of conversion should always keep all the pixels.
The problem is that they may not be at the right resolution for the
printer or other output device you are using.

A 100x100 pixel image on a 1200ppi device makes for a very tiny image
:-)


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