Uso di tecnologie open source per la realizzazione della infrastruttura software necessaria all'inventario dell'uso e copertura del suolo della RT

The inventory of land use and land cover (UCS) can be a valid alternative to traditional mapping, both from an economic point of view and for the higher speed in completing or updating this kind of cartography. The Tuscan Regional Government adopted an Unaligned Systematic Sampling with 250 meter side cells. Each of the 371.263 cells, covering the whole Tuscany, were filled with a random generated point. This was photo interpreted and classified according to the Tuscan Regional Government map key derived from the European Project "Corine Land Cover". To align this inventory with the national one, all the points of the Inventario dell'uso delle terre d'Italia (IUTI) substituted the ones where the IUTI points fell in the cells. 20 photo-interpreters worked on the project by analysing diachronic digital ortoimages referring to the years 2007 and 2010, and so also registering changes that occurred during this period of time. The LaMMA Consortium made the three-tier infrastructure, based on open source software. The first level (the database layer) has been made using PostgreSQL, equipped with the spatial extension Postgis. The middle level (the maps server) was developed with Geoserver and GeoWebCache for tiling purposes. In the higher level (the user interface or browser) OpenLayer and GeoExt were adopted. The project was founded by Tuscan Regional Government (Misura 511 "Assistenza tecnica" - PSR 2007 - 2013)