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    Command:

    pnmsmooth

    
    
    

    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  gener-
           ates 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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