Logiciels et Applications Scientifiques (L.A.S.) Inc., 1600, Boul. St-Martin Est, Tour A, bureau 650, Laval, Quebec, Canada, H7G 4R8;Logiciels et Applications Scientifiques (L.A.S.) Inc., 1600, Boul. St-Martin Est, Tour A, bureau 650, Laval, Quebec, Canada, H7G 4R8;Defence Research Establishment Valcartier (DREV), 2459 Pie-XI Blvd. North, Val-Bélair, Quebec, G3J 1X5;J2 Geomatics, 615 Booth Street, Ottawa, Ontario, K1A OK2