One of the more common operations that I need to do with JPEG images is to change their print resolution so that when printed (e.g., as included figures in a LaTeX document) they print at 300 dpi (for example) instead of 72 dpi. I have been doing this in the Gimp. This causes the JPEGs to be recompressed with loss of quality when the Gimp saves the files.
- Is there any ways to change the print resolution, short of editing the JPEGs by hand, without recompressing them? - Is there any utility in existance that could do this from the command line? I tried the jpegtran program from libjpeg-progs in Debian, but it does not seem to have this capability. -- Henry House +1 530 753 3361 ext. 13 Please don't send me HTML mail! My mail system usually rejects it. The unintelligible text that may follow is a digital signature. See <http://hajhouse.org/pgp> to find out how to use it. My OpenPGP key: <http://hajhouse.org/hajhouse.asc>.
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