pnmindex - build a visual index of a bunch of anymaps
SYNOPSIS
pnmindex [-size N] [-across N] [-colors N] [-black]
[-title T] [-quant|-noquant] pnmfile ...
DESCRIPTION
pnmindex creates an index image containing thumbnail
(small) versions of a bunch of PNM files you supply.
pnmindex labels each thumbnail and, optionally, contains a
title.
OPTIONS
-size N
The size of each thumbnail. The image is scaled to
fit maximally inside a N x N pixel box without
changing its aspect ratio. Default is 100.
-across N
The number of thumbnails in each row. Default is
6.
-colors N
The maximum number of colors allowed in the overall
image. If it would otherwise have more colors than
these, pnmindex quantizes the result. The default
is 256.
However, this value is meaningless if you specify
the -noquant option.
-black This controls the color of the padding between the
images; normally it's white and the labels are
black lettering on white background, but the -black
flag reverses this.
-title title
Specifies a title top place at the top of the
image. Default is no title.
-quant Enables quanization (to the number of colors speci
fied by -colors ). Quantization is on by default
but you can disable it with -noquant.
-noquant
See -quant.
pnmscale(1), pnmcat(1), pbmtext(1), ppmquant(1), pnm(5)
AUTHOR
Copyright (C) 1991 by Jef Poskanzer. -title and -noquant
added 2000 by John Heidemann.
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