pgmtofs(1) General Commands Manual pgmtofs(1)NAME
pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
SYNOPSIS
pgmtofs [pgmfile]
DESCRIPTION
Reads a portable graymap as input. Produces Usenix FaceSaver(tm) format as output.
FaceSaver is a registered trademark of Metron Computerware Ltd. of Oakland, CA.
SEE ALSO fstopgm(1), pgm(5)AUTHOR
Copyright (C) 1991 by Jef Poskanzer.
18 May 1990 pgmtofs(1)
Check Out this Related Man Page
fstopgm(1) General Commands Manual fstopgm(1)NAME
fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
SYNOPSIS
fstopgm [fsfile]
DESCRIPTION
Reads a Usenix FaceSaver(tm) file as input. Produces a portable graymap as output.
FaceSaver(tm) files sometimes have rectangular pixels. While fstopgm won't re-scale them into square pixels for you, it will give you the
precise pnmscale command that will do the job. Because of this, reading a FaceSaver(tm) image is a two-step process. First you do:
fstopgm > /dev/null
This will tell you whether you need to use pnmscale. Then use one of the following pipelines:
fstopgm | pgmnorm
fstopgm | pnmscale -whatever | pgmnorm
To go to PBM, you want something more like one of these:
fstopgm | pnmenlarge 3 | pgmnorm | pgmtopbm
fstopgm | pnmenlarge 3 | pnmscale <whatever> | pgmnorm | pgmtopbm
You want to enlarge when going to a bitmap because otherwise you lose information; but enlarging by more than 3 does not look good.
FaceSaver is a registered trademark of Metron Computerware Ltd. of Oakland, CA.
SEE ALSO pgmtofs(1), pgm(5), pgmnorm(1), pnmenlarge(1), pnmscale(1), pgmtopbm(1)AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
06 April 89 fstopgm(1)
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