Montreal, Canada, May 30th, 2012 – SimActive Inc., a world-leading developer of photogrammetry software, is pleased to announce the completion of a study for the Centre for Topographic Information of Natural Resources Canada on digital surface model (DSM) generation from RADARSAT-2 imagery using Correlator3D™. The purpose of the project was to determine the maximum achievable accuracy over mixed terrain such as small vegetation, rocks, snow and ice.