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

       In  addition  to  the options common to all programs based on libnetpbm (most notably -quiet, see  Common
       Options ), pbmtoascii recognizes the following command line 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 represents 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.

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/pbmtoascii.html

netpbm documentation                              02 April 2010                        Pbmtoascii User Manual(1)