[MAN] pbmtoascii

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pbmtoascii

Section: User Commands (1)
Updated: 20 March 1992
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NAME

pbmtoascii - convert a portable bitmap into ASCII graphics  

SYNOPSIS

pbmtoascii [-1x2|-2x4] [pbmfile]  

DESCRIPTION

Reads a portable bitmap as input. Produces a somewhat crude ASCII graphic as output.

Note that there is no asciitopbm tool - this transformation is one-way.  

OPTIONS

The -1x2 and -2x4 flags give you two alternate ways for the bits to get mapped to characters. With 1x2, the default, each character represents a group of 1 bit across by 2 bits down. With -2x4, each character represents 2 bits across by 4 bits down. With the 1x2 mode you can see the individual bits, so it's useful for previewing small bitmaps on a non-graphics terminal. The 2x4 mode lets you display larger bitmaps on a standard 80-column display, but it obscures bit-level details. 2x4 mode is also good for displaying graymaps - "pnmscale -width 158 | pgmnorm | pgmtopbm -thresh" should give good results.  

SEE ALSO

pbm(5)  

AUTHOR

Copyright (C) 1988, 1992 by Jef Poskanzer.

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Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

SEE ALSO

AUTHOR

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