The common database generated within the framework of Terra Magna based on the CityGML format will include richer semantic information than conventional GISs; configuration of road networks, precise distribution of green spaces, etc. These data usually require extra enrichment by a simulation specialist.
Terra Magna opens up a broad range of possibilities for regional development and sustainable urban development. A single example is the evaluation of air quality in a district. Information contained in the “data warehouse” (X, Y, Z coordinates of buildings, outline of roads, traffic conditions, presence and phasing of traffic lights, etc.), can be retrieved to simulate traffic at a given location and observe its impacts. Emission of pollutants, acoustic nuisance, etc.: maps showing all these different parameters can be produced for different heights above the ground, for any time of the day taking account of wind speeds and traffic speed. "Terra Magna will be a genuine aid to regional communities in their decision making. With Terra Magna, it will be possible to project into the future and propose urban development solutions."
Specific solutions can be studied, for example the choice of plant species to be planted at a given location as a function of their growth or the installation of noise attenuation screens at key locations in a district.
Wind movements in the zone = current lines
Simulation of carbon monoxide pollution