pnmenlarge (1)
read a portable anymap and enlarge it N times
SYNOPSIS
DESCRIPTION
Reads a portable anymap as input.
Replicates its pixels
N
times, and produces a portable anymap as output.
enlarging
pnmenlarge
can only enlarge by integer factors.
The slower but more general
pnmscale
pnmscale
can enlarge or reduce by arbitrary
factors, and
pbmreduce
pbmreduce
can reduce by integer factors, but only for bitmaps.
If you enlarge by a factor of 3 or more, you should probably add a
pnmsmooth
pnmsmooth
step; otherwise, you can see the original pixels in the resulting image.
SEE ALSO
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
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