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Pnmcat User Manual(0)					 Pnmcat	User Manual(0)

NAME
       pnmcat -	concatenate Netpbm images

SYNOPSIS
       pnmcat

       {-leftright | -lr | -topbottom |	-tb}

       [-white|-black]

       [-jtop|-jbottom|-jcenter] [-jleft|-jright|-jcenter]

       pnmfile ...

       Minimum	unique abbreviation of option is acceptable.  You may use dou-
       ble hyphens instead of single hyphen to denote options.	 You  may  use
       white space in place of the equals sign to separate an option name from
       its value.

DESCRIPTION
       This program is part of Netpbm(1).

       pnmcat reads one	or more	PNM images as input, concatenates them	either
       left to right or	top to bottom, and produces a single PNM image as out-
       put.

       The arguments are names of input	files.	Any one	of these, but not more
       than  one, may be "-" to	indicate Standard Input.  If you have no argu-
       ments, that means a single input	image from Standard Input (and that is
       pointless - the output is the same as the input).

       To assemble a regular grid of images, you can use pamundice.

       To  do  the  reverse,  you  might use pamdice to	split an image up into
       smaller ones of equal size or pamcut to chop off	part of	 an  image  or
       extract part of an image.

       pnmtile concatenates a single input image to itself repeatedly.

OPTIONS
       If  the	PNM  images  are not all the same height (left-right) or width
       (top-bottom), the smaller ones have to be justified with	 the  largest.
       By  default,  pnmcat centers them, but you can specify justification to
       one side	or the other with one of the -jxxx  options.   So,  -topbottom
       -jleft  would  stack the	PNMs on	top of each other, flush with the left
       edge.  -leftright -jbottom would	line up	the images left	to right  with
       their bottom edges aligned as if	sitting	on a table.

       The  -white and -black options specify what color to use	to fill	in the
       extra space when	doing this justification.  If  neither	is  specified,
       pnmcat chooses whichever	seems to be right for the images.

SEE ALSO
       pamundice(1), pamdice(1), pnmtile(1), pamcut(1),	pnm(5)

AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.

DOCUMENT SOURCE
       This  manual  page was generated	by the Netpbm tool 'makeman' from HTML
       source.	The master documentation is at

	      http://netpbm.sourceforge.net/doc/pnmcat.html

netpbm documentation		  30 May 2011		 Pnmcat	User Manual(0)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | AUTHOR | DOCUMENT SOURCE

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