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sane-gphoto2(5)		 SANE Scanner Access Now Easy	       sane-gphoto2(5)

NAME
       sane-gphoto2 - SANE backend for gphoto2 supported cameras

DESCRIPTION
       The  sane-gphoto2  library  implements a	SANE (Scanner Access Now Easy)
       backend that provides  access  to  the  digital	cameras	 supported  by
       gphoto2.	  This	backend	has only been tested with a handful of cameras
       so far.	Patches	to support other models	are welcome.

       Because of the limited testing of this backend, it is commented out  in
       /usr/local/etc/sane.d/dll.conf  by default.  Either the comment charac-
       ter must	be removed or the backend must	be  called  explicitly.	  E.g.
       scanimage -d gphoto2 or xscanimage gphoto2.

DEVICE NAMES
       The  current  version  of the backend only allows one camera to be con-
       nected.	The device name	is always "0".

CONFIGURATION
       The contents of the gphoto2.conf	specify	 the  characteristics  of  the
       camera  to be used.   Resolutions (high resolution, low resolution, and
       thumbnail size) are required since they are needed by  the  sane	 fron-
       tends,  but  can't  be  obtained	 through the gphoto2 interface.	 Valid
       ports and cameras can be	obtained by gphoto2 --list-cameras and gphoto2
       --list-ports.

       The dumpinquiry line causes some	information about  the	camera	to  be
       printed.

       Empty  lines  and  lines	 starting with a hash mark (#) are ignored.  A
       sample configuration file is shown below:

       The topfolder line specifies the	"fixed"	part of	the  file  path.   For
       example,	 on  the  Kodak	 DC-240,  files	 are  stored  in the directory
       /DCIM/100DC240.	The /DCIM  portion  is	constant,  but	100DC240  will
       change  and must	be read	from the camera.  In this case,	the line would
       read "topfolder=/DCIM"

       Some cameras don't implement a file structure and store all pictures in
       the / directory.	 This is indicated by setting "subdirs=0"  with	 "top-
       folder=/"

	      port=usb:
	      camera=Kodak DC240
	      #	this is	a comment
	      high_resolution=1280x960
	      low_resolution=640x480
	      thumb_resolution=160x120
	      dumpinquiry

FILES
       /usr/local/etc/sane.d/gphoto2.conf
	      The   backend   configuration  file  (see	 also  description  of
	      SANE_CONFIG_DIR below).

       /usr/local/lib/sane/libsane-gphoto2.a
	      The static library implementing this backend.

       /usr/local/lib/sane/libsane-gphoto2.so
	      The shared library implementing this backend (present on systems
	      that support dynamic loading).

ENVIRONMENT
       SANE_CONFIG_DIR
	      This environment variable	specifies the list of directories that
	      may contain the configuration file.  On *NIX systems, the	direc-
	      tories are separated by a	colon (`:'), under OS/2, they are sep-
	      arated by	a semi-colon (`;').  If	this variable is not set,  the
	      configuration  file  is  searched	 in  two  default directories:
	      first, the current working directory (.)	and then  in  /usr/lo-
	      cal/etc/sane.d.	If  the	value of the environment variable ends
	      with the directory separator character, then the default	direc-
	      tories  are searched after the explicitly	specified directories.
	      For example, setting SANE_CONFIG_DIR to "/tmp/config:" would re-
	      sult in directories tmp/config, ., and /usr/local/etc/sane.d be-
	      ing searched (in this order).

       SANE_DEBUG_GPHOTO2
	      If the library was compiled with debugging support enabled, this
	      environment variable controls the	debug level for	this  backend.
	      A	 value of 128 requests maximally copious debug output; smaller
	      levels reduce verbosity.

       GP_DEBUG
	      Set to 1,	2, or 3, to enable various levels of debugging	within
	      the gphoto2 libraries.

SEE ALSO
       sane(7),	scanimage(1), xscanimage(1), libgphoto2(3)

AUTHOR
       Peter S.	Fales

       The manpage was largely copied from the sane-dc210(5) manpage.

BUGS
       Many, no	doubt.

       More  general  comments,	 suggestions, and inquiries about frontends or
       SANE  should  go	  to   the   SANE   Developers	 mailing   list	  (see
       http://www.sane-project.org/mailing-lists.html  for details).  You must
       be subscribed to	the list, otherwise your mail won't  be	 sent  to  the
       subscribers.

				  11 Jul 2008		       sane-gphoto2(5)

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