This directory contains the image matching software, cleaned up for export.
I've used the name "alinear" to avoid conflicts with names such as "match"
"align", "register", etc. which are either already in use or will likely be
used someday by standard IRAF.

Installation:
1. Create a [sub]directory to hold the package source. I recommend placing it
in a subdirectory called "alinear" created in your IRAF home directory.

2. Define the following before execution (best placed in login.cl). Note
that "home$alinear" may be replaced with wherever the package is actually
placed.

set	alinear	= "home$alinear/"
task	$alinear	= alinear$alinear.cl

3. Type "alinear" and see if things work. If there are problems, you may have
to recompile -- 
	> cd alinear$
	> mkpkg
	> flpr
and try again. Send mail to me at "phillips@lick.ucsc.edu" if there are any
problems or questions.

4. See "tnotes" for some reading on the PSF-matching techniques. See individual
parameter files for parameter settings.
