From f3408eea10cfdc65e7a9a6896b62746487eae93a Mon Sep 17 00:00:00 2001
From: "P.M. Sutter" <sutter@iap.fr>
Date: Wed, 3 Apr 2013 21:29:13 -0500
Subject: [PATCH] mask application now supports multiple rotations of the same
 data set to maximize reusability