[sane-devel] Canon LiDE 90
pierre at pirsoft.dnsalias.org
Sun Apr 6 17:17:19 UTC 2008
Pierre Willenbrock schrieb:
> Now for the real reason i am answering: I did play around with my
> scanner, trying to get the shading calibration to work only on the white
> strip. The trick was to do a real scan over the white strip, not just
> sampling a single line over and over again. This is how it is done for
> the gl646 side, but i did disable that in my test-version because it led
> to fewer changes. For the LiDE 35, normally this is done, too, but over
> the full calibration area, which contains a white and a black strip.
> (That way, i get the white and black shading data in one scan.
> Obviously, this is only possible when there _is_ a black strip.)
To clarify this, my patch (and probably your code base) does a scan over
the strip, too.
More information about the sane-devel