1Pnmcat User Manual(0)                                    Pnmcat User Manual(0)
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NAME

6       pnmcat - concatenate Netpbm images
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SYNOPSIS

10       pnmcat
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12       {-leftright | -lr | -topbottom | -tb}
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14       [-white|-black]
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16       [-jtop|-jbottom|-jcenter]
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18       pnmfile ...
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20       Minimum  unique abbreviation of option is acceptable.  You may use dou‐
21       ble hyphens instead of single hyphen to denote options.   You  may  use
22       white space in place of the equals sign to separate an option name from
23       its value.
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DESCRIPTION

27       This program is part of Netpbm(1).
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29       pnmcat reads one or more PNM images as input, concatenates them  either
30       left to right or top to bottom, and produces a single PNM image as out‐
31       put.
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33       To assemble a regular grid of images, you can use pamundice.
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35       To do the reverse, you might use pamdice to  split  an  image  up  into
36       smaller  ones  of  equal size or pamcut to chop off part of an image or
37       extract part of an image.
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39       pnmtile concatenates a single input image to itself repeatedly.
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OPTIONS

43       If the PNM images are not all the same  height  (left-right)  or  width
44       (top-bottom),  the  smaller ones have to be justified with the largest.
45       By default, pnmcat centers them, but you can specify  justification  to
46       one  side  or  the other with one of the -jxxx options.  So, -topbottom
47       -jleft would stack the PNMs on top of each other, flush with  the  left
48       edge.
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50       The  -white and -black options specify what color to use to fill in the
51       extra space when doing this justification.  If  neither  is  specified,
52       pnmcat chooses whichever seems to be right for the images.
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SEE ALSO

56       pamundice(1), pamdice(1), pnmtile(1), pamcut(1), pnm(1)
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AUTHOR

60       Copyright (C) 1989 by Jef Poskanzer.
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64netpbm documentation             01 April 2007           Pnmcat User Manual(0)
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