[sane-devel] What exactly does scanning software do?

m. allan noah kitno455 at gmail.com
Fri Nov 9 22:57:49 UTC 2007

this depends entirely on which scanner, which backend, and which
controls. for instance, Xsane has its own brightness/contrast
controls, and so do many scanners. the scanner ones are often hidden
under some sort of menu in Xsane.


On 11/9/07, Chris <640u at bimberi.com> wrote:
> Hi group,
> Can anyone tell me whether any of the colour (and other) adjustments
> that I make in XSane affect the actual (hardware) output of my scanner,
> or are all these adjustments simply applied in software after the raw
> scan has been sent to XSane?  In other words, do these adjustments
> actually alter what the hardware does?
> The reason I ask is that, when scanning, I usually make a number of
> adjustments in my scanning software and then make some more adjustments
> in my editor (Gimp/Photoshop etc) after acquiring the scan.  But if the
> initial adjustments are only done in software, wouldn't it make more
> sense to simply take a raw scan with default settings and do all the
> adjustments in Gimp only?  In terms of workflow, it would make sense to
> only be doing one set of adjustments.
> Cheers,
> Chris
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