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

Chris 640u at bimberi.com
Sat Nov 10 09:25:58 UTC 2007

Thanks Allan and Ulrich, that's exactly the sort of information I was 
looking for.


Chris 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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