On 17/03/2016 08:56, Jonathan Liu wrote:
Hi,
I have opened the following ticket for 4800 dpi scanning on Canon LiDE 220:
https://alioth.debian.org/tracker/index.php?func=detail&aid=315339&group_id=30186&atid=410366
I just want to confirm, does this scanner support 4800 dpi x 4800 dpi
scanning as indicated in the manufacturer specification? I was
checking 4800 dpi scan in GIMP and I see blocks of 2 duplicated pixels
in the X direction when scanned using SANE but not when using Canon
ScanGear on Windows.
Regards,
Jonathan
Hello,
the backend has only 2400 optical dpi x 4800 motor dpi. Pixels are
'doubled' to get proper aspect ratio for the result.
I'll try to find some time to do a wrireshark recording of a
4800x4800 scan to check if it's possible to implement it in the genesys
backend.
Regards,
Stef
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