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TIFFCHECK(8C)							 TIFFCHECK(8C)

NAME
       tiffcheck - check TIFF for HylaFAX conversion requirements

SYNOPSIS
       /usr/local/sbin/tiffcheck [ options ] file.tif

DESCRIPTION
       tiffcheck  takes	TIFF input and writes a	multi-line text	message	to the
       standard	output describing any work needed to prepare  the  images  for
       facsimile  transmission.	  tiffcheck is usually invoked by tiff2fax(8C)
       script that is used by the HylaFAX scheduler to prepare TIFF  documents
       submitted for transmission.

       The  first line of output is a series of	``+''-separated	words that in-
       dicate if the input file	should be:

       o  rejected (``REJECT''),

       o  reformatted with a different data-encoding scheme (``REFORMAT''),

       o  scaled to different page dimensions (``RESIZE''),

       o  reimaged in a	different vertical resolution (``REVRES''), or

       o  reimaged  for	 other	reasons	 such  as  conversion  from  color  to
	  black&white (``REIMAGE'').

       The  conversion	requirements  string  will always have keywords	in the
       above order; e.g. ``RESIZE+REVRES'' if  the  input  file	 needs	to  be
       scaled  and converted to	a different resolution.	 Information following
       the first line is descriptive text that explains	the reason(s) for  the
       file  conversion(s);  this  text	 is  suitable  for  return to a	client
       (should document	conversion fail	or not be attempted).  The descriptive
       text  is	 ordered identically to	the keywords in	the conversion string;
       this makes it possible to match up conversion requirements to reasons.

OPTIONS
       The following operations	are recognized:

       -1	 Set output to be Group	3 1D-encoded.

       -2	 Set output to be Group	3 2D-encoded.

       -3	 Set output to be Group	4 MMR-encoded.

       -w width	 Set the output	page width, in pixels.	By default, pages  are
		 1728 pixels wide.

       -l length Set the output	page length in millimeters.  By	default, pages
		 are 297 millimeters long.

       -r vres	 Set the vertical resolution, in lines/inch, at	which to image
		 the TIFF.

EXAMPLES
       The following color image needs to be converted to black&white, resized
       to the output page dimensions, and reformatted to use  Group  3	1D-en-
       coded data.

	      hyla% /usr/local/sbin/tiffcheck jello.tif
	      REFORMAT+RESIZE+REIMAGE
	      Document is not a	bilevel	image (bits/sample 8).
	      Document requires	reformatting, not in Group 3 format.
	      Document requires	resizing to adjust page	width (convert to 1728,	document is 256).

       This  image  is	a  facsimile received at high resolution (196 lpi); it
       only needs to be	converted to 98	lpi.

	      hyla% /usr/local/sbin/tiffcheck faxix.tif
	      REVRES
	      Document requires	reformatting to	adjust vertical	resolution (convert to 98, document is 196).

SEE ALSO
       tiff2fax(8C), faxq(8C), hylafax-server(5F)

			       January 18, 1996			 TIFFCHECK(8C)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO

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