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Hi ,
Does the scanner work ok otherwise? I'm asking because it's labeled > =
"untested" in our lists.
Ya the scanner avision 830C which i m using works fine with windows.
Which backend version are you using?
The backend version which i m using is 1.0.12, which i think is the =
latest one.
The backend does provide the setting for brightness and i m giving the =
brightness as 50. Also i tried to test with gamma table, the =
documentation says that if u give gamma-table =3D (yes) then it will use =
the default gamma table. i tried this option but when i give this option =
then the result was a 0bytes file. That is the scanning didnt worked at =
all. But i can surely try to generate a gamma table and then try using =
it.=20
The command i m using for scanning is=20
scanimage --brightness 50 --mode grayscale --format Tiff > abc.tiff
I have one more doubt :
I have 4 versions of Avision scanners, they are :
1. Avision 8000S
2. Avision 3200C
3. Avision 600U
4. Avision 820C
No where in the documentation i can found that I can use ADF of these =
scanners. Is there any way that i can use the ADF for these scanners????
Regards,
Priya
-----------------------------------------------
Hi,
On: Tue, 1 Jul 2003 20:14:57 +0200,
Henning Meier-Geinitz <henn...@meier-geinitz.de> wrote:
> Hi,
> =3D
> On Tue, Jul 01, 2003 at 08:44:00PM +0530, priya wrote:
> > I m using avision 830C scanner on linux.
> =3D
> Does the scanner work ok otherwise? I'm asking because it's labeled
> "untested" in our lists.
Which backend version are you using - I once had such a "wrong scaling
of calibration data" but for some scanner revisions.
Please update to the latest SANE version.
Could you also send me a log (in private) containing the log file of:
SANE_DEBUG_AVISION=3D3D7 scanimage -L 2> log
?
> > When i open the scanned image after scanning in GIMP it is very =
dar=3D
k.
> > I dont know how to rectify this. I m using scanimage command to =
sc=3D
an
> > the document. =3D
> =3D
> XSane and other graphical frontends provide an easy way to change
> brightness and gamma settings. If you want to keep using scanimage,
> check if the avision backend provides an option like "brightness" in
> the mode you use: scanimage -L. If it doesn't, but has an option
> called "gamma-table" you can use that one. To generate the gamma
> table, the program "gamma4scanimage" may be helpful.
The backend supports both - but I guess he is running a version with
broken calibration. I'm currently working on the calibration stuff in
this minute anyway because I noticed myself that it has endian issues
on big-endian architectures (e.g. PowerPC, SPARC).
> Bye,
> Henning
Sincerely yours,
Ren=3DE9 Rebe
- ROCK Linux stable release maintainer
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<DIV><FONT face=3DArial size=3D2>Hi ,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial><FONT size=3D2><EM> Does the scanner work =
ok otherwise?=20
I'm asking because it's labeled </EM>></FONT></FONT><I><FONT =
size=3D2><FONT=20
face=3DArial> "untested" in our lists.</FONT><BR></FONT></I></DIV>
<DIV><FONT face=3DArial size=3D2>Ya the scanner avision 830C which i m =
using works=20
fine with windows.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><EM>Which backend version are you=20
using?</EM></FONT></DIV>
<DIV><EM><FONT face=3DArial size=3D2></FONT></EM> </DIV>
<DIV>
<DIV><FONT face=3DArial size=3D2>The backend version which i m using is =
1.0.12,=20
which i think is the latest one.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV></DIV>
<DIV><FONT face=3DArial></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The backend does provide the setting =
for brightness=20
and i m giving the brightness as 50. Also i tried to test with gamma =
table, the=20
documentation says that if u give gamma-table =3D (yes) then it will use =
the=20
default gamma table. i tried this option but when i give this option =
then the=20
result was a 0bytes file. That is the scanning didnt worked at all. But =
i can=20
surely try to generate a gamma table and then try using it. =
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial =
size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The command i m using for scanning is =
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>scanimage --brightness 50 =
--mode grayscale=20
--format Tiff > abc.tiff</STRONG></FONT></DIV>
<DIV><STRONG><FONT face=3DArial size=3D2></FONT></STRONG> </DIV>
<DIV><STRONG><FONT face=3DArial size=3D2></FONT></STRONG> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>I have one more doubt=20
:</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I have 4 versions of Avision scanners, =
they are=20
:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>1. Avision 8000S</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>2. Avision 3200C</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>3. Avision 600U</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>4. Avision 820C</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>No where in the documentation i can =
found=20
that I can use ADF of these scanners. Is there any way that i =
can use=20
the ADF for these scanners????</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Regards,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Priya</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial=20
size=3D2>-----------------------------------------------</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial>Hi,<BR><BR>On: Tue, 1 Jul 2003 20:14:57=20
+0200,<BR> Henning Meier-Geinitz <<A=20
href=3D"mailto:henn...@meier-geinitz.de";>henn...@meier-geinitz.de</A>>=
=20
wrote:<BR>><I> Hi,<BR></I>><I> =3D<BR></I><BR>><I> On Tue, Jul =
01, 2003=20
at 08:44:00PM +0530, priya wrote:<BR></I>><I> > I m using avision =
830C=20
scanner on linux.<BR></I>><I> =3D<BR></I><BR>><I> Does the scanner =
work ok=20
otherwise? I'm asking because it's labeled</I>><I> "untested" in our=20
lists.<BR></I><BR>Which backend version are you using - I once had such =
a "wrong=20
scaling<BR>of calibration data" but for some scanner =
revisions.<BR><BR>Please=20
update to the latest SANE version.<BR><BR>Could you also send me a log =
(in=20
private) containing the log file of:<BR><BR>SANE_DEBUG_AVISION=3D3D7 =
scanimage -L=20
2> log<BR><BR>?<BR><BR>><I> > When i open the scanned image =
after=20
scanning in GIMP it is very dar=3D<BR></I>k.<BR>><I> > I dont know =
how to=20
rectify this. I m using scanimage command to =
sc=3D<BR></I>an<BR>><I> >=20
the document. =3D<BR></I><BR>><I> =3D<BR></I><BR>><I> XSane and =
other=20
graphical frontends provide an easy way to change<BR></I>><I> =
brightness and=20
gamma settings. If you want to keep using scanimage,<BR></I>><I> =
check if the=20
avision backend provides an option like "brightness" in<BR></I>><I> =
the mode=20
you use: scanimage -L. If it doesn't, but has an option<BR></I>><I> =
called=20
"gamma-table" you can use that one. To generate the gamma<BR></I>><I> =
table,=20
the program "gamma4scanimage" may be helpful.<BR></I><BR>The backend =
supports=20
both - but I guess he is running a version with<BR>broken calibration. =
I'm=20
currently working on the calibration stuff in<BR>this minute anyway =
because I=20
noticed myself that it has endian issues<BR>on big-endian architectures =
(e.g.=20
PowerPC, SPARC).<BR><BR>><I> Bye,<BR></I>><I> =20
Henning<BR></I><BR>Sincerely yours,<BR> Ren=3DE9 =
Rebe<BR> =20
- ROCK Linux stable release maintainer<BR></FONT></DIV></BODY></HTML>
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