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RLEPATCH(1)		    General Commands Manual		   RLEPATCH(1)

NAME
       rlepatch	- patch	smaller	RLE files over a larger	image.

SYNOPSIS
       rlepatch	[ -o outfile ] infile patchfiles...

DESCRIPTION
       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	repos(1), rlepatch can
       also be used as a simple	way to build image mosaics.

       Unlike rlecomp(1), rlepatch does	not perform any	arithmetic on the pix-
       els.   If  the  patch  images overlap, the patches specified last cover
       those specified first.

       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., the
       nth image in each input file becomes part of the	nth image in the  out-
       put  file.   The	 process  ceases as soon as any	input file reaches its
       end.

OPTIONS
       infile 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.

SEE ALSO
       rlecomp(1), crop(1), repos(1), urt(1), RLE(5).

AUTHOR
       John W. Peterson, University of Utah.

BUGS
       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.

4th Berkeley Distribution	  Nov 8, 1987			   RLEPATCH(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | AUTHOR | BUGS

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