Re: Clueless about Umax 1220S gamma

hagopiar@vuser.vu.union.edu
Mon, 7 Dec 1998 23:30:58 -0500 (EST)

Same here with the 1200S... I also noticed that
scanimage --mode col -x 4in -y 6in
ignores the -x parameter, you need to put the '--mode col' at the end...
(and 10-bit doesn't work in xscanimage and slow scan doesn't work either.
but the defaults work :-) )
-Rob H.

On Wed, 2 Dec 1998, V. Doan wrote:

> Date: Wed, 2 Dec 1998 20:29:52 -0800 (PST)
> From: V. Doan <vdoan@chem.ucla.edu>
> Reply-To: sane-devel@mostang.com
> To: sane-devel@mostang.com
> Subject: Clueless about Umax 1220S gamma
>
> My Umax 1220S tends to scan darker that the actual image being scanned. I
> can usually correct for this by setting the gamma >1 in color mode. In
> grey-scale or line-art mode, the scan also comes out darker. So I try to
> change the intensity gamma under grey-scale, but the picture turns out
> either black or is washed out (nearly all grey). Can someone help me set
> the correct intensity gamma for b/w? I wish xscanimage or scanimage has a
> brightness control for this scanner.
>
> Sorry if I sound clue-less; I'm new to scanning.
> Relavent info: Redhat Linux 5.1, kernal 2.0.34
> Umax 1220S scanner
> SANE v1.00 with sane-umax1.00a patch
> compiled with gtk v0.99.13
>
> Thanks
> -Vince
>
>
> -----------------------------------------
> vinh@chem.ucla.edu
>
>
> --
> Source code, list archive, and docs: http://www.mostang.com/sane/
> To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com
> 

--
Source code, list archive, and docs: http://www.mostang.com/sane/
To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com