[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread Jonathan Buzzard
dav...@mostang.com said: > Never mind my comments. I missed the fact that you're talking about > 1-bit RGB data only (not 1-bit monochrome, which does make a lot of > sense). I think I added 1-bit RGB just because the Mustek scanner > could do it, but it always was a mystery to me why 1-bit RGB d

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread abel deuring
Oliver Schwartz wrote: > Hi, > > On Wednesday 25 September 2002 21:05, Henning Meier-Geinitz wrote: > >>Hi, >> >>On Wed, Sep 25, 2002 at 11:16:15AM -0700, David Mosberger-Tang wrote: >> >>> Oliver> I think that makes sense. When a backend really does >>> Oliver> support this then it can send i

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread Oliver Schwartz
Hi, On Wednesday 25 September 2002 21:05, Henning Meier-Geinitz wrote: > Hi, > > On Wed, Sep 25, 2002 at 11:16:15AM -0700, David Mosberger-Tang wrote: > > Oliver> I think that makes sense. When a backend really does > > Oliver> support this then it can send it as 8 bit rgb image. > > > > Do w

[sane-devel] Sane and microtek2 hangs on large scans

2002-09-25 Thread Karsten Festag
Hi Gerald, Abel forwarded your logfiles to me, thanks. I think you should try the=20 no-backtracking option: Please remove the "#" from the line=20 # option no-backtrack-option on in your microtek2.conf file. This file usually resides in=20 /usr/local/etc/sane.d or /etc/sane.d depending on your d

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread Henning Meier-Geinitz
Hi, On Wed, Sep 25, 2002 at 11:16:15AM -0700, David Mosberger-Tang wrote: > Oliver> I think that makes sense. When a backend really does > Oliver> support this then it can send it as 8 bit rgb image. > > Do we know for a fact that there are no high-speed devices out there > that produce, say

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread Oliver Rauch
abel deuring schrieb: > > Henning Meier-Geinitz wrote: > > > > The easiest way would be to > > forbid 1 bit RGB in the standard :-) > > that would indeed be a convenient alternative. I think that makes sense. When a backend really does support this then it can send it as 8 bit rgb image. Bye O

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread abel deuring
Henning Meier-Geinitz wrote: > > Hi, > > On Tue, Sep 24, 2002 at 11:58:41PM +0200, abel deuring wrote: > > while playing with the test backend, I noticed that the "scan data" > > produced for the grid pattern in 1 bit RGB mode differs from the output > > for 1 bit grayscale mode. The data for gra

[sane-devel] New version of the gt68xx backend released

2002-09-25 Thread Henning Meier-Geinitz
Hi, On Sun, Sep 22, 2002 at 10:48:11PM +0200, Henning Meier-Geinitz wrote: > There is a new version of the gt68xx backend: 1.0-11. 1.0-13 is ready: > http://www.meier-geinitz.de/sane/gt68xx-backend/ It's a major rewrite of low-level functions so some scanners may not work. The BearPaw 1200 CU

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread David Mosberger-Tang
> On Wed, 25 Sep 2002 20:12:27 +0200, Oliver Rauch > said: Oliver> abel deuring schrieb: >> Henning Meier-Geinitz wrote: >> > >> > The easiest way would be to > forbid 1 bit RGB in the standard >> :-) >> that would indeed be a convenient alternative. Oliver> I think that

[sane-devel] Sane and microtek2 hangs on large scans

2002-09-25 Thread abel deuring
Edenyard wrote: > > On Mon, 23 Sep 2002 19:47:53 +0200, abel deuring wrote: > > > Can you run another test with SANE_DEBUG_SANEI_SCSI=255 and > > SANE_DEBUG_MICROTEK2=255 ? The debug output perhaps gives us a better > > clue about the problem. > > > As Henning already wrote, you don't need to se

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread David Mosberger-Tang
> On Wed, 25 Sep 2002 20:12:27 +0200, Oliver Rauch > said: Oliver> abel deuring schrieb: >> Henning Meier-Geinitz wrote: >> > >> > The easiest way would be to > forbid 1 bit RGB in the standard >> :-) >> >> that would indeed be a convenient alternative. Oliver> I think

[sane-devel] Sane and microtek2 hangs on large scans

2002-09-25 Thread Edenyard
On Mon, 23 Sep 2002 19:47:53 +0200, abel deuring wrote: > Can you run another test with SANE_DEBUG_SANEI_SCSI=255 and > SANE_DEBUG_MICROTEK2=255 ? The debug output perhaps gives us a better > clue about the problem. > As Henning already wrote, you don't need to set these variables in > /etc/profi

[sane-devel] test backend: 1 bit RGB data for grid pattern

2002-09-25 Thread Henning Meier-Geinitz
Hi, On Tue, Sep 24, 2002 at 11:58:41PM +0200, abel deuring wrote: > while playing with the test backend, I noticed that the "scan data" > produced for the grid pattern in 1 bit RGB mode differs from the output > for 1 bit grayscale mode. The data for gray scale mode is like: Argh, I hate this 1

[sane-devel] Configuring Umax Astra 1220S on USB-SCSI adapter

2002-09-25 Thread Oliver Rauch
Hello Dom, the umax-backend uses the scsi protocoll to talk to the device. It does not know anything about usb. When you have a linux driver for the USB-SCSI adapter that makes available the scanner as a scsi device (cat /proc/scsi/scsi) then you could have a chance. Bye Oliver Dom Savage schrie