The enclosed LISP code carries out arbitrary 3D coordinate transformations 
between Cartesian coordinate systems.  Rotation, translation,a nd scaling are 
supported.  These are useful when the (trans ...)  function is inadequate.
Complete instructions are contained in the comments.

This code is copyrighted freeware.

Copyright (C) 1998 by The Fleming Group

Permission to use, copy, modify, and distribute this software
for any purpose and without fee is hereby granted, provided
that the above copyright notice appears in all copies and
that both that copyright notice and the limited warranty and
restricted rights notice below appear in all supporting
documentation.

THE FLEMING GROUP PROVIDES THIS PROGRAM "AS IS" AND WITH ALL
FAULTS. THE FLEMING GROUP SPECIFICALLY DISCLAIMS ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.
THE FLEMING GROUP DOES NOT WARRANT THAT THE OPERATION OF THE
PROGRAM WILL BE UNINTERRUPTED OR ERROR FREE.
