ppmrelief(1) - phpMan

Ppmrelief User Manual(0)                                                 Ppmrelief User Manual(0)



NAME
       ppmrelief - compute a relief of a PPM image


SYNOPSIS
       ppmrelief

       [ppmfile]


DESCRIPTION
       This program is part of Netpbm(1).

       ppmrelief  reads a PPM image as input, and writes a relief of that image as a PPM image as
       output.

       The relief process is described in "Beyond Photography" by Holzmann, equation 3.19.   It's
       a sort of edge-detection and is essentially a convolution with this matrix:

           |  1  0  0 |
           |  0  0  0 |
           |  0  0 -1 |


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


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

DOCUMENT SOURCE
       This  manual page was generated by the Netpbm tool 'makeman' from HTML source.  The master
       documentation is at

              http://netpbm.sourceforge.net/doc/ppmrelief.html

netpbm documentation                      02 August 2014                 Ppmrelief User Manual(0)

Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2024-04-20 06:34 @13.59.82.167 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)