1Pbmtoascii User Manual(0)                            Pbmtoascii User Manual(0)
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NAME

6       pbmtoascii - convert a PBM image to ASCII graphics
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SYNOPSIS

10       pbmtoascii
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12       [-1x2|-2x4]
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14       [pbmfile]
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DESCRIPTION

18       This program is part of Netpbm(1).
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20       pbmtoascii  reads  a  PBM  image as input and produces a somewhat crude
21       ASCII graphic image as output.
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23       To convert back, use asciitopgm(1).
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OPTIONS

27       The -1x2 and -2x4 options give you two alternate ways for the pixels to
28       get mapped to characters.  With 1x2, the default, each character repre‐
29       sents a group of 1 pixel across by 2  pixels  down.   With  -2x4,  each
30       character  represents  2  pixels across by 4 pixels down.  With the 1x2
31       mode you can see the individual pixels, so it's useful  for  previewing
32       small images on a non-graphics terminal.  The 2x4 mode lets you display
33       larger images on a standard 80-column display, but it  obscures  pixel-
34       level details.  2x4 mode is also good for displaying PGM images:
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36       pamscale -width 158 | pnmnorm | pamditherbw -threshold
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38       should give good results.
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SEE ALSO

42       asciitopgm(1) pbm(1)
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AUTHOR

46       Copyright (C) 1988, 1992 by Jef Poskanzer.
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50netpbm documentation            11 August 2002       Pbmtoascii User Manual(0)