Linux cli command ppmrelief

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command ppmrelief and provides detailed information about the command ppmrelief, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the ppmrelief.

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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 |

OPTIONS

There are no command line options defined specifically for ppmrelief, but it recognizes the options common to all programs based on libnetpbm (See Common Options .)

SEE ALSO

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

AUTHOR

Copyright (C) 1990 by Wilson Bent ([email protected])

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

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