On Sat, 2006-12-02 at 19:10 +0100, Maciej Piechotka wrote: > On Sat, 02 Dec 2006 16:11:34 +0100, Gerard Klaver wrote: > > > On Sat, 2006-12-02 at 00:41 +0100, Maciej Piechotka wrote: > >> On Fri, 01 Dec 2006 07:11:35 +0100, Gerhard Jaeger wrote: > >> > >> > On Friday 01 December 2006 00:21, Maciej Piechotka wrote: > >> >> I have probably not calibrated scanner (If I scan something it returns > >> >> blue sheet). How can I do it? > >> >> > >> > > >> > RTFM - SCNR ;) > >> > The status of this device says: Scans, but no calibration is performed > >> > and > >> > the area selection is limited. > >> > > >> > There's no way for you to do the calibration, as the backend itself is > >> > not > >> > able to handle this - sorry > >> > > >> > Gerhard > >> > > >> > > >> > >> Sorry I asked in such way - is it possible to make it working (after give > >> some values from hand)? > >> > >> If I understand you it's also[1] impossible by operating in such values as > >> R/G/B Brightness and so on in xsane or any other front-end) - am I correct? > >> > >> Regards > >> > >> [1] As I said I thought I could give some values to make it working and > >> it's just automatized process. > >> > >> -- > >> I've probably left my head... somewhere. Please wait untill I find it. > >> Homepage (pl_PL): http://uzytkownik.jogger.pl/ > >> (GNU/)Linux User: #425935 (see http://counter.li.org/) > >> > >> > > If you see the frontend menu for this scanner (xscanimage or xsane) the > > only fields for some "color" correction are maybe the gamma value and/or > > selecting the red, green or blue (gray mode color). > > > > Ok. I'll try to use it. > > > To get the calibration into the backend some usb sniff or usb log is > > needed using the calibration sheet and then writing program code for it. > > I don't know if somebody already made some usb sniff/log file? > > > > What's a name of open usb sniffer? > Should I send a sniff from GNU/Linux or from Windows? > > > I have placed on my page some info and a sample of the calibration card > > for this scanner see http://gkall.hobby.nl/gt6816-07b3-0412.html > > > > I've been there searching informations. > I have the same calibration sheet. > > Regards > -- USB sniff from windows, see http://benoit.papillault.free.fr/usbsnoop/doc.php.en
-- -------- m.vr.gr. Gerard Klaver