Re: Microtek SlimScan C3

From: Bernd Schroeder (bernd@aquila.muc.de)
Date: Sun Jan 02 2000 - 07:07:12 PST


Hi,

On Fri, Dec 31, 1999 at 07:28:18AM -0500, Warren Chartier wrote:
> On Fri, 31 Dec 1999, Bernd Schroeder wrote:
>
> > Hi,
> >
> > sorry for the late response.
>
> It's understandable with the holidays and all. :)
>
> > > Thanks to all the developers of SANE, onSCSI and Matto Marjanovic for
> > > helping me to get this working. :) The colors aren't as correct as the
> > > windows drivers, but its so subtle you'd never notice.
> >
> > Then you are lucky. What is needed is a shading correction. I have some
> > information how to do this shading correction for the Phantom 336cx, but
> > I assume it is the same for the SlimScan C3. However, this will need some
> > modifications, and don't have such a model, so I won't be able to test
> > it. Unfortunately, the algorithm to correct the colours is somewhat different
> > for other Phantom/Slimscan models like the C6/Phantom 636cx.
>
> In my excitement I seem to have posted prematurely, the scanner does work
> flawlessly, color is fine for the depths I'm able to scan in, however, on
> closer inspection with a few more "test" scans, it seems I'm only able to
> select 8 bit color in xscanimage, even though my scanner does support 36
> bit, I was using xsane and therefore had no bit depth color option and
> assumed it was 36 bit. This would obviously account for the lackluster
> color. Do you have any idea why this might be happening?

This seems ok to me. According to Microtek's web site this model works
with 12 bit per color *internally*, but the output is only 8 bits per
color. As such there is only one depth for color and grayscale mode and
an option to select the color depth is not available.

Bernd

-- 
Bernd Schroeder 
Email: mailto:bernd@aquila.muc.de
PGP public key available: mailto:pgp@aquila.muc.de | Subject: send key 

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