ooo..good feedback...thanks!!!

On Tue, 2007-09-18 at 14:04 +0200, Jan Tomasek wrote:
> Hello Adam,
> 
> > I just wrote a doc on saving images for the web using gimp. I was
> > wondering if anyone could read it and send me feedback?
> > 
> > http://en.flossmanuals.net/bin/view/Gimp/OptimisingImagesForWeb
> 
> At start I was thinking "wow, that is very detailed!" but when you get 
> to jpeg you loose your breath.
> 
> In section about jpeg I would suggest to adding some info about color 
> subsampling [1, 2]. This option have big impact on quality and file size.
> 
> You should also mention EXIF data, they take some space and are not 
> necessary when considering bandwidth.
> 
> There are also other options which worth mentioning...
> 
> Default compression level with default subsampling will produce images 
> with visible compression artefact. Especially when saving non-photo 
> images, like graphics with tiny red text on white.
> 
> [1] http://en.wikipedia.org/wiki/Chroma_subsampling
> [2] http://photo.net/learn/jpeg/
> 
> 
> In case of PNG worth mentioning that MSIE6 have troubles displaying 
> transparent images. I've no idea if version 7 fixed this problem.
> 
> Best regards
-- 


adam hyde
floss manuals

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http://www.flossmanuals.net

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