[sane-devel] Fwd: Scanner DocketPORT 468

[Enma Ai]

Hi,

I already evaluated all the other CCDs but the results were not good.
I enclose the two log files.

Thanks

On 4 June 2011 09:16, stef <stef.dev at free.fr> wrote:

> Le vendredi 3 juin 2011 14:02:48 Enma Ai, vous avez écrit :
> > Hi,
> > I tried to callibrate with xsane but I got the same error message:
> > 'Fallo al definir valor de opción callibrate: Operación no soportada' -->
> > Error when trying to define the callibrate option: operation not
> supported.
> >
> > I modified syscan_docketport_467_model and changed the motor to
> > roadwarrior, but I got the same results. The image proportions are not
> > correct, it is streched (longer and narrower).
> >
> > I have uploaded some sample images:
> > http://wtrns.fr/stfoMEspqqmIlU
> >
> > See sample images generated with:
> > scanimage --mode Gray  --format=jpeg >image_streched.jpeg
> > scanimage --mode Gray  --format=tiff >image_streched.tiff
> >
> > I've been doing some modifications in the model parameters and finally
> > modifying the CCD_DSMOBILE600 the image looks correct.
> >
> > //Modified CCD_DSMOBILE600
> > * Pentax DS Mobile 600 */
> >   {CCD_DSMOBILE600, 300,
> > ....
> >
> >
> > What I haven't been able to get to work is the document end of file
> > detection, so I modified the predefined x and y size.
> >
> > //Modificacion
> > static Genesys_Model syscan_docketport_467_model = {
> > ...
> > SANE_FIX (210.0),             /* Size of scan area in mm (x) */
> > SANE_FIX (297.0),             /* Size of scan area in mm (y) */
> > ...
> > MOTOR_ROADWARRIOR
> > ...
> > }
> >
> > static Genesys_USB_Device_Entry genesys_usb_device_list[] = {
> > ...
> > {0x1dcc, 0x4817, &syscan_docketport_467_model},
> > }
> >
> > I have uploaded several sample images generated with this commands:
> >
> > See sample images generated with:
> > scanimage --mode Lineart  --format=jpeg >image_CCD_ROADWARRIOR300.jpeg
> > scanimage --mode Lineart  --format=tiff >image_CCD_ROADWARRIOR300.tiff
> > scanimage --mode Lineart  --format=tiff >image_CCD_665.tiff
> >
> >
> > thanks
> >
>         Hello,
>
>        you are doing the right thing. From the stretched pictures we can
> see it
> is a sensor issue, not a motor one. You might try to evaluate these other
> sensors: CCD_ROADWARRIOR, CCD_XP300, CCD_DP685.
>        For calibration and size issues, a scanimage logfile would be great,
> something like:
> export SANE_DEBUG_GENESYS=255
> export SANE_DEBUG_GENESYS_LOW=255
> export SANE_DEBUG_GENESYS_GL841=255
> scanimage -d genesys --calibrate 2>calibrate.log >out.pnm
>
> and for length issue:
> export SANE_DEBUG_GENESYS=255
> export SANE_DEBUG_GENESYS_LOW=255
> export SANE_DEBUG_GENESYS_GL841=255
> scanimage -d genesys --mode Color 2>rl.log >rl.pnm
>
>        For debugging purpose I have this script which runs from compiled
> binaries without needing to install. i.e I run 'make' then this script in
> the
> backend subdirectory, which saves me time (I change backend option
> depending
> on what I'm testing):
>
> #!/bin/bash
> export SANE_DEBUG_GENESYS=255
> export SANE_DEBUG_GENESYS_LOW=255
> export SANE_DEBUG_GENESYS_GL646=255
> export SANE_DEBUG_GENESYS_GL841=255
> export SANE_DEBUG_GENESYS_GL843=255
> export SANE_DEBUG_GENESYS_GL847=255
> export SANE_DEBUG_GENESYS_GL124=255
> export LD_PRELOAD=.libs/libsane-genesys.so
> ../frontend/scanimage -d genesys --resolution 150 --height 30 --mode Color
> 2>rl.log >rl.pnm
>
> Regards,
>         Stef
>
>
>


-- 
* La Niña Ninja *
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