Manual Reference Pages - RLEPATCH (1)
rlepatch - patch smaller RLE files over a larger image.
Rlepatch puts smaller RLE files on top of a larger RLE image. One use
for rlepatch is to place small "fix" images on top of a larger image that
took a long time to compute. Along with
rlepatch can also be used as a simple way to build image mosaics.
rlepatch does not perform any arithmetic on the pixels.
If the patch images overlap, the patches specified last cover those
If the input files each contain multiple images, they are treated as
streams of images merging to form a stream of output images. I.e.,
nth image in each input file becomes part of the
nth image in the output file. The process ceases as soon as any input
file reaches its end.
The background image will be read from this file.
If input is to be taken from
stdin, "-" must be specified here.
-o outfile |
If specified, output will be written to this file, otherwise it will
go to stdout.
John W. Peterson, University of Utah.
Rlepatch uses the "row" interface to the RLE library. It would run
much faster using the "raw" interface, particularly for placing small
patches over a large image. Even fixing it to work like
rlecomp (which uses
"raw" mode only for non-overlapping images) would make a major improvement.
|1 ||RLEPATCH (1) ||Nov 8, 1987 |
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