CentOS 7.0 - man page for pnmcat (centos section 0)

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

       pnmcat - concatenate Netpbm images


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


       [-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.

       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.

       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.

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

       Copyright (C) 1989 by Jef Poskanzer.

netpbm documentation			   30 May 2011			    Pnmcat User Manual(0)
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