On Tue, 2010-01-19 at 22:38 +0100, yahvuu wrote: [...] > II. Range of actually useful values for IJG quality value > > For GIMP's target users less than half of all possible settings > are useful: possibly - I've often used values as low as 35% or sometimes lower. "The sweet spot" depends hugely on your image and your purpose - consider providing a "lowsrc" alternate image for low bandwidth Web users for example, or a thumnail. Most of the preview images on www.fromoldbooks.org are saved at 75% (usually with "smoothing" to reduce artifacts a little) > 95 > . no-go: just wastes disk space -- ever heard of XCF? > 100 Actually I use 97% a lot, and 100% too -- because I want jpeg format, not some application-specific thing that won't work for most users. Export is about interchange, the end product, you shouldn't ever use jpg for a file you're going to edit again, and you shouldn't normally use xcf for interchange unless you know they're using (a compatible version of) GIMP... > III. Parameter Triaging > > The "Subsampling" parameter is more important than its current > position inside the "advanced parameters" section suggests. Yes - in particular it affects colours, especially reds. Liam -- Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/ Pictures from old books: http://fromoldbooks.org/ Ankh: irc.sorcery.net irc.gnome.org www.advogato.org _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer