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Subject: Re: Canon Lide20 autocal
From: Gerhard Jaeger
Date: Fri, 23 Jan 2004 15:39:10 +0100

Hi,

the calibration-code for the CanoScan devices can be found in plustek-usbcal.c
The skipping currently works only for CCD scanner, whose calibration and the
skip stuff can be found in plustek-usbshading.c...

Hope this helps,
  Gerhard



On Friday 23 January 2004 08:57, Garrick Sitongia wrote:
> I would like to make the sane-backend skip doing auto-cal each time on the
> canon lide20. I have about 7000 pages I want to scan. I am not interested
> in preserving absolute color for archiving old notes.
>
> I have set the plustek.conf line "option cacheCalData 1" and this reduced
> the autocal from 25 seconds to 8. However, when I set "option
> skipCalibration 1" to skip the whole autocalibration which is what I want
> to try, the scanner vibrates violently, and I have to unplug it.
>
> I would be happy to muck around in the code if someone where to tell me
> which of these files I would begin with:
>
> plustek-usb.c         plustek-usbdevs.c  plustek-usbimg.c 
> plustek-usbscan.c plustek-usbcal.c      plustek-usb.h      plustek-usbio.c
> plustek-usbshading.c
> plustek-usbcalfile.c  plustek-usbhw.c    plustek-usbmap.c
>
> Garrick Sitongia


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