[sane-devel] Re: Plustec OpticSlim 12M - calibration

[Gerard Klaver]

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