[sane-devel] genesys 600 dpi Gray and Lineart distorted by factor 1.5 in y-direction

M G Berberich sane at oss.m-berberich.de
Mon Sep 21 19:04:18 UTC 2015


Am Mittwoch, den 16. September schrieb Stef:
> On 15/09/2015 15:57, M G Berberich wrote:
> >on a Canon LiDE 210, the 600 dpi Gray and Lineart scans are distorted
> >by a factor of 1.5 in y-direction (the scanner seems to scans with
> >600×900 dpi).
> >
> >Example:
> >The image at http://m-berberich.de/Diverses/genesys-600dpi-Gray.png
> >shows a 600 dpi Gray scan from a 5×5mm grid-paper, done with
> >
> >   scanimage -l 20mm -t 20mm -x 45mm -y 45mm --resolution 600 --mode Gray
>     it is a known bug, see
> https://alioth.debian.org/tracker/index.php?group_id=30186&atid=410366 .

The bug must have been introduced between 2013-07-02 (bd0f989) and
2013-07-17 (1c3ec28) probably in commit

   define specific LIDE210 sensor and motor instead of using LIDE110

from 2013-07-04 (730a2ba and 599f3ed).

Anybody able to (re)fix this?


„Des is völlig wurscht, was heut beschlos- | M G Berberich
 sen wird: I bin sowieso dagegn!“          | berberic at fmi.uni-passau.de
(SPD-Stadtrat Kurt Schindler; Regensburg)  | www.fmi.uni-passau.de/~berberic

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