Regular grid model that contains orthometric altitudes distributed according to a grid of 5 m of side.

Regular grid model that contains orthometric altitudes distributed according to a grid of 15 m of side.

Topographic database that covers all the territory of Catalonia, compiled in 2.5 dimensions. It contains data relating to the relief, the hydrography, the transportation networks, the settlement and the auxiliary infrastructures, the toponymy, the reference points and a reduced set of land cover and vegetation classes. The reference scale is 1:25 000.