RealSim City models simulate the world you know and how it could be, from unlimited perspectives. RealSim’s Environment Information Models (EIM’s) combine 3D mapping, architectural and engineering information in to virtual reality simulations of your town, or city. Simulations are equipped with easy to use spatial and lighting analysis tools to allow you quickly and objectively find the answers to environment change questions. They are used by planning authorities, developers, architects and engineers.