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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)

       ppmtoterm does a similar thing for color	 images	 to  be	 displayed  on
       color text terminals.

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 small display, but it obscures pixel-level details.
       2x4 mode is also good for displaying PGM images:

       pamscale -width 158 | pnmnorm | pamditherbw -threshold | pbmtoascii -2x4

       should give good results.

SEE ALSO
       asciitopgm(1)

       ppmtoascii(1)

       ppmtoterm(1)

       pbm(1)

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

netpbm documentation		 02 April 2010	     Pbmtoascii User Manual(0)

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