pbmtoascii man page on CentOS

pbmtoascii man page on CentOS

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Pbmtoascii User Manual(0)			     Pbmtoascii User Manual(0)

NAME
       pbmtoascii - convert a PBM image to ASCII graphics

SYNOPSIS
       pbmtoascii

       [-1x2|-2x4]

       [pbmfile]

DESCRIPTION
       This program is part of Netpbm(1).

       pbmtoascii  reads  a  PBM  image as input and produces a somewhat crude
       ASCII graphic image as output.

       To convert back, use asciitopgm(1).

OPTIONS
       The -1x2 and -2x4 options give you two alternate ways for the pixels to
       get mapped to characters.  With 1x2, the default, each character repre‐
       sents a group of 1 pixel across by 2  pixels  down.   With  -2x4,  each
       character  represents  2	 pixels across by 4 pixels down.  With the 1x2
       mode you can see the individual pixels, so it's useful  for  previewing
       small images on a non-graphics terminal.	 The 2x4 mode lets you display
       larger images on a standard 80-column display, but it  obscures	pixel-
       level details.  2x4 mode is also good for displaying PGM images:

       pamscale -width 158 | pnmnorm | pamditherbw -threshold

       should give good results.

SEE ALSO
       asciitopgm(1) pbm(1)

AUTHOR
       Copyright (C) 1988, 1992 by Jef Poskanzer.

netpbm documentation		11 August 2002	     Pbmtoascii User Manual(0)

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