pnmsmooth man page on IRIX

pnmsmooth man page on IRIX

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pnmsmooth(1)					     pnmsmooth(1)

NAME
       pnmsmooth - smooth out an image

SYNOPSIS
       pnmsmooth [-size width height] [-dump dumpfile] [pnmfile]

DESCRIPTION
       Smooths	out  an	 image	by  replacing each pixel with the
       average of its width X height  neighbors.   It  is  imple
       mented  as  a  C	 progam	 that generates a PGM convolution
       matrix and then invokes pnmconvol.

OPTIONS
       -size width height
	      Specifies	 the  size  of	the  convolution  matrix.
	      Default  size  is	 a  3x3 matrix.	 Width and height
	      sizes must be odd.   Maximum  size  of  convolution
	      matrix  is limited by the maximum value for a pixel
	      such that (width * height * 2) must not exceed  the
	      maximum pixel value.

       -dump dumpfile
	      Generates and saves the convolution file only.  Use
	      of this option does not invoke pnmconvol.

SEE ALSO
       pnmconvol(1), pnm(5)

AUTHORS
       Copyright (C) 1989, 1991 by Jef Poskanzer.
       Converted from script to C program December 1994	 by  Mike
       Burns (burns@chem.psu.edu).

			 4 December 1994	     pnmsmooth(1)

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