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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 double 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 output.
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 arguments, 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(1)
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)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2024-04-16 08:49 @18.221.165.246 CrawledBy claudebot