breduce man page on DragonFly

breduce man page on DragonFly

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breduce(1)							    breduce(1)

NAME
       breduce - read a portable bitmap and reduce it to 1/N

SYNOPSIS
       breduce [-options]  in_file | -	[out_file]

DESCRIPTION
       breduce	reads  a  portable  bitmap as input, reduces it by a factor of
       1/N, and produces a portable bitmap as output.

       This program is similar to pbmreduce(4), but is specialized  for	 Docu‐
       ment Image Processing.  Black pixels have priority over white pixels on
       the reduction process. Consequently, thin black lines are kept continu‐
       ous on the image, while thin white lines may be broken.

       If  the	string	"-"  is passed instead of in_file, breduce reads image
       from standard input.  If the output file	 out_file  is  not  specified,
       breduce writes image to standard output.

OPTIONS
       -div N Division factor. The image is reduced to 1/N.  Note that N is an
	      integer.	The default value is N=2.

       -quiet Suppress messages.

SEE ALSO
       pbm(5), pbmreduce(5)

AUTHOR
       Copyright (C) 1994-1997 Hideaki Goto

       E-Mail: hgot@ecip.tohoku.ac.jp, hgot@aso.ecei.tohoku.ac.jp

				   Feb. 1997			    breduce(1)

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