What scanner are you using? On Dec 15, 2005, at 4:02 AM, johon Doe wrote:
> > > --- Henning Meier-Geinitz <[email protected]> > wrote: > >> Hi, >> >> On Wed, Dec 14, 2005 at 09:43:13AM -0800, johon Doe >> wrote: > >> The backend you use doesn't seem to provide the >> option "custom-gamma". >> scanimage --help shows all available options. >> By the way, which backend and scanner do you use? >> > ok, I undestand.. I use epson backend.. > > > >>> scanimage: attempted to set inactive option >> halftoning >> >> Thwe option "halftoning" seems to exist in your >> backend, but it >> doesn't work in the current mode. maybe it works in >> mode "lineart"? >> > > no it doesnt work .. > >>> scanimage --brightness 1 >> prova4.tiff > >> It's similar in this case. The order of options is >> important, by the >> way. Setting the mode before brightness may help if >> gray mode uses >> option brightness. >> > > $ scanimage --mode Gray --brightness 1 > scanimage: attempted to set inactive option brightness > > Anyway I forgotten to say that the epson scanner is > over the lan (with saned) and if I use sanetwain on > win32 I see lot's of options are disabled but if I use > xsane on linux all options work fine... > > >> You can also check if an option is active in a >> specific mode like this: >> >> scanimage --mode Gray --help >> > > > > $ scanimage --mode Gray --help > Usage: scanimage [OPTION]... > > Start image acquisition on a scanner device and write > PNM image data to > standard output. > > -d, --device-name=DEVICE use a given scanner device > (e.g. hp:/dev/scanner) > --format=pnm|tiff file format of output file > -i, --icc-profile=PROFILE include this ICC profile > into TIFF file > -L, --list-devices show available scanner > devices > -f, --formatted-device-list=FORMAT similar to -L, but > the FORMAT of the output > can be specified: %d > (device name), %v (vendor), > %m (model), %t (type), and > %i (index number) > -b, --batch[=FORMAT] working in batch mode, > FORMAT is `out%d.pnm' or > `out%d.tif' by default > depending on --format > --batch-start=# page number to start naming > files with > --batch-count=# how many pages to scan in > batch mode > --batch-increment=# increase number in filename > by an amount of # > --batch-double increment page number by > two for 2sided originals > being scanned in a single > sided scanner > --batch-prompt ask for pressing a key > before scanning a page > --accept-md5-only only accept authorization > requests using md5 > -n, --dont-scan only set options, don't > actually scan > -T, --test test backend thoroughly > -h, --help display this help message > and exit > -v, --verbose give even more status > messages > -V, --version print version information > > Options specific to device > `net:192.168.1.21:epson:libusb:001:002': > Scan Mode: > --mode Binary|Gray|Color [Gray] > Selects the scan mode (e.g., lineart, > monochrome, or color). > --depth 8 [inactive] > Number of bits per sample, typical values are > 1 for "line-art" and 8 > for multibit scans. > --halftoning None|Halftone A (Hard Tone)|Halftone > B (Soft Tone)|Halftone C (Net Screen)|Dith > er A (4x4 Bayer)|Dither B (4x4 Spiral)|Dither C (4x4 > Net Screen)|Dither D (8x4 Net Screen)|Text > Enhanced Technology|Download pattern A|Download > pattern B [inactive] > Selects the halftone. > --dropout None|Red|Green|Blue [None] > Selects the dropout. > --brightness 0..0 [inactive] > Selects the brightness. > --sharpness -2..2 [inactive] > > --gamma-correction User defined (Gamma=1.0)|User > defined (Gamma=1.8) [User defined (Gamma=1. > 8)] > Selects the gamma correction value from a list > of pre-defined devices > or the user defined table, which can be > downloaded to the scanner > --color-correction No Correction|User > defined|Impact-dot printers|Thermal printers|Ink-jet p > rinters|CRT monitors [inactive] > Sets the color correction table for the > selected output device. > --resolution 75|150|300|600dpi [75] > Sets the resolution of the scanned image. > --threshold 0..255 [inactive] > Select minimum-brightness to get a white point > Advanced: > --mirror[=(yes|no)] [inactive] > Mirror the image. > --speed[=(yes|no)] [no] > Determines the speed at which the scan > proceeds. > --auto-area-segmentation[=(yes|no)] [inactive] > > --short-resolution[=(yes|no)] [no] > Display short resolution list > --zoom 50..200 [inactive] > Defines the zoom factor the scanner will use > --red-gamma-table 0..255,... > Gamma-correction table for the red band. > --green-gamma-table 0..255,... > Gamma-correction table for the green band. > --blue-gamma-table 0..255,... > Gamma-correction table for the blue band. > --wait-for-button[=(yes|no)] [no] > After sending the scan command, wait until the > button on the scanner > is pressed to actually start the scan process. > Color correction coefficients: > --cct-1 -127..127 [inactive] > Controls green level > --cct-2 -127..127 [inactive] > Adds to red based on green level > --cct-3 -127..127 [inactive] > Adds to blue based on green level > --cct-4 -127..127 [inactive] > Adds to green based on red level > --cct-5 -127..127 [inactive] > Controls red level > --cct-6 -127..127 [inactive] > Adds to blue based on red level > --cct-7 -127..127 [inactive] > Adds to green based on blue level > --cct-8 -127..127 [inactive] > Adds to red based on blue level > --cct-9 -127..127 [inactive] > Controls blue level > Preview: > --preview[=(yes|no)] [no] > Request a preview-quality scan. > --preview-speed[=(yes|no)] [no] > > Geometry: > -l 0..215.9mm [0] > Top-left x position of scan area. > -t 0..297.18mm [0] > Top-left y position of scan area. > -x 0..215.9mm [215.9] > Width of scan-area. > -y 0..297.18mm [297.18] > Height of scan-area. > --quick-format CD|A5 portrait|A5 > landscape|Letter|A4|Max [Max] > > Optional equipment: > --source Flatbed [inactive] > Selects the scan source (such as a > document-feeder). > --auto-eject[=(yes|no)] [inactive] > Eject document after scanning > --film-type Positive Film|Negative Film [inactive] > > --focus-position Focus on glass|Focus 2.5mm above > glass [inactive] > Sets the focus position to either the glass or > 2.5mm above the glass > --bay 1 | 2 | 3 | 4 | 5 | 6 [inactive] > Select bay to scan > --eject [inactive] > Eject the sheet in the ADF > --adf_mode Simplex|Duplex [inactive] > Selects the ADF mode (simplex/duplex) > > Type ``scanimage --help -d DEVICE'' to get list of all > options for DEVICE. > > List of available devices: > net:192.168.1.21:epson:libusb:001:002 > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? 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