Difference between revisions of "Scanning"

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(Move to same category of other scanner pages.)
(created an intro to scanning (previous content was useless))
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Hopefully, the info here can give some info about some options you have when scanning something, how-to clean the glass of you scanner if needed, ...
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Scanning under Arch is possible using [[Sane]].
 
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Sane provides a library and a command-line tool to use scanners under Unix.
== file format==
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* bits-per-pixels<br>
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When you scan something with > 24 bits per pixel, there are only 2 fileformats I know off that can store the resulting image while keeping all the bits per pixel: tiff and png. I know that png and tiff can store up to 48 bits-per-pixel. I do not know if they can stire more bits per pixel. bmp can store up-to 24 bits-per-pixel.
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* storing icc-profiles in files
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png and tiff can store icc-profiles
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* compression
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There also a lot of different variations of tiff, while I believe png is a quite strict format. With tiff you can choose different kinds of compression-methods: group3 (black-and-white-images?, lossless), group4 (lossless), ...<br>
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png is  a lossless format
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Tiff has a file-size-limit of 4 GB.
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== automatically creating icc profile for scanner(?)==
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software-program [[lcms]]?
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looking at the online documentation of the ''scribus''-program seems also a good point to gather info.
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while this is not the place ... it seem that the Xserver also has icc-capabilities, but it is not really known or something. The command "man -k cms" can maybe help you if you're interested in this.
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Revision as of 10:35, 27 September 2012


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Notes: please use the first argument of the template to provide more detailed indications. (Discuss in Talk:Scanning#)

Scanning under Arch is possible using Sane. Sane provides a library and a command-line tool to use scanners under Unix.