ppmrelief(1) - phpMan

ppmrelief(1)                                                                         ppmrelief(1)



NAME
       ppmrelief - run a Laplacian relief filter on a portable pixmap

SYNOPSIS
       ppmrelief [ppmfile]

DESCRIPTION
       Reads  a  portable pixmap as input.  Does a Laplacian relief filter, and writes a portable
       pixmap as output.

       The Laplacian relief filter is described in "Beyond  Photography"  by  Holzmann,  equation
       3.19.  It's a sort of edge-detection.

SEE ALSO
       pgmbentley(1), pgmoil(1), ppm(5)

AUTHOR
       Copyright (C) 1990 by Wilson Bent (whb AT hoh-2.com)



                                         11 January 1991                             ppmrelief(1)

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