Change the order of your command line arguments. put lineart first. On Thu, Nov 3, 2016 at 2:28 PM, Tom Canavan <tmscana...@centurytel.net> wrote: > Hello, > I am a new member and this is my first post. I wanted to post here before > filing a bug report to make sure I am not doing something wrong. > > I am having trouble using the scanimage command with the microtek2 backend > trying to control a Microtek V6USL. > > The problem is with the "--threshold" option in Lineart mode. I need to be > able to control the threshold because with some scans the automatic setting of > the threshold does not work very well when scanning documents that are printed > over colored backgrounds. And I need to do it via command line because I am > writing a dialog script using Yad dialogs. > > I know the scanner Lineart threshold can be controlled, because I can do it > with xsane and it works well. > > Here is my /etc/saned/microtek2.conf: > option dump 1 > #option strip-height 14.0 > /dev/sg5 > option no-backtrack-option on > option lightlid-35 on > option toggle-lamp on > option lineart-autoadjust on > option backend-calibration on > #option colorbalance-adjust on > #scsi * * Scanner > > When I try to run a command to scan a document such as: > > scanimage -d microtek2:/dev/sg5 -x 250 -y 20 --resolution 200 --threshold 105 > --mode Lineart --format=tiff > $HOME/faxproject/scans/image.tif > > I get an error message: scanimage: attempted to set inactive option threshold > > When I run scanimage -A it says that option is indeed inactive. So I tried > putting the line: > > option threshold on > > in my /etc/saned/microtek2.conf file. > That did not work either. > > I then tried putting that line in and also turning off the option lineart- > autoadjust. That did not work either. > > So I am hoping that someone with more knowledge that I can tell me whether > this is a bug or not, and if not, then show me how to turn the --threshold > option on for this backend and this scanner. > Any help appreciated. Thank you. > > -- > sane-devel mailing list: sane-devel@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-requ...@lists.alioth.debian.org
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