Version 3.1 October 28th 2010
Simplified installation procedure. Program may now be run from user-chosen directory.
Version 3.0 March 31st 2008
Uses Python numerical library NumPy instead of Numarray. Now uses Revision S OPD files with narrower secondary mirror supports. Orientation of images has been changed so that V3 is up.
Version 2.0 - October 10th 2006
Added science instruments NIRSpec and MIRI, still using Revision R OPD files. Provided normalized display and matching color bar in PSF image. Modified range of spectrum display and titling of bandwidth display.
Version 1.2 - July 7th 2006
Uses a newer and traceable set of OPD files, known as Revision R. Headers of output PSF files made more informative; includes OPD file name.
Version 1.1 - Nov 30th 2005
Initial version produced PSFs for NIRCam using early models of Optical Path Difference files.