[sane-devel] Can I change resolution offerings for Epson V200 Photo scanner?
olaf.meeuwissen at avasys.jp
Tue Apr 17 23:46:45 UTC 2012
Putting this back on the list.
Michael Nagel <ubuntu at nailor.devzero.de> writes:
> Thanks, Olaf, I will forward your comments!
>>> A: "resolution" set to some value
>>> B: "x-resolution" and "y-resolution" are set to some value
>>> Ususally this is not a problem, but the values for A are very limited
>>> with your scanner, see the next list.
>> That is to be expected as it is the intersection of the x-resolution and
>> y-resolution lists.
> If 2CV67's numbers are correct that answer is not completly correct.
> Epson Perfection V200 scanimage
> --resolution 300|2400|4800dpi 
> Sets the resolution of the scanned image.
> --x-resolution 75|300|600|1200|2400|4800dpi 
> Sets the horizontal resolution of the scanned image.
> --y-resolution 100|200|300|400|600|800|1200|1800|2400|3600|4800|6600|9600dpi 
> The intersection would be 300|600|1200|2400|4800 but 600 and 1200 are
> missing from the list generated by scanimage.
Good catch. My explanation was not quite complete.
If you try the help with --source="Transparency Unit", you should see
slightly different lists of --x-resolution and y-resolution values. The
list of --resolution values is the intersection of these lists and those
Hope this helps,
Olaf Meeuwissen, LPIC-2 FLOSS Engineer -- AVASYS CORPORATION
FSF Associate Member #1962 Help support software freedom
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