asciitopgm man page on Mandriva

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Asciitopgm User Manual(0)			     Asciitopgm User Manual(0)

NAME
       asciitopgm - convert ASCII graphics into a PGM

SYNOPSIS
       asciitopgm [-d divisor] height width [asciifile]

DESCRIPTION
       This program is part of Netpbm(1).

       asciitopgm  reads  ASCII	 data  as  input and produces a PGM image with
       pixel values which are an approximation	of  the	 'brightness'  of  the
       ASCII  characters, assuming black-on-white printing.  In other words, a
       capital M is very dark, a period is very light, and a space is white.

       Obviously, asciitopgm assumes a certain font in assigning a  brightness
       value to a character.

       asciitopgm  considers  ASCII  control  characters  to be all white.  It
       assigns special brightnesses to lower case letters which	 have  nothing
       to  do  with  what  they look like printed.  asciitopgm takes the ASCII
       character code from the lower 7 bits of each input byte.	 But it	 warns
       you if the most signficant bit of any input byte is not zero.

       Input  lines  which  are	 fewer than width characters are automatically
       padded with spaces.

       The divisor value is an integer (decimal) by which the blackness of  an
       input  character	 is divided; the default value is 1.  You can use this
       to adjust the brightness of the output: for example, if	the  image  is
       too bright, increase the divisor.

       In  keeping  with  (I  believe) Fortran line-printer conventions, input
       lines beginning with a + (plus) character are assumed  to  'overstrike'
       the previous line, allowing a larger range of gray values.

       If  you're  looking  for	 something that creates an image of text, with
       that text specified in ASCII, that is something quite  different.   Use
       pbmtext for that.

SEE ALSO
       pbmtoascii(1), pbmtext(1), pgm(1)

AUTHOR
       Wilson H. Bent. Jr. (whb@usc.edu)

netpbm documentation	       05 September 2003     Asciitopgm User Manual(0)
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