Codex

pnmsmooth

Section: User Commands (1)

Updated: 4 December 1994

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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 implemented 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 ([email protected]).


Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

SEE ALSO

AUTHORS


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