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<gmd:lineage>          <gmd:LI_Lineage>            <gmd:statement>              <gco:CharacterString>Il DBGT10k è strutturato in categorie gerarchiche denominate Strati, suddivisi in Temi a loro volta suddivisi in Classi. Le entità territoriali del DBGT10k sono relazionate fra loro tramite campi chiave. Il contenuto geometrico del Dataset deriva dalla restituzione aerofotogrammetrica realizzata sulla base del volo del 2013 per gli strati relativi alla viabilità, edificato idrografia e aree di pertinenza, mentre per l'orografia deriva dalla CTR, per la vegetazione dalla Carta dell'uso del suolo 2008, per le reti elettriche da rilievo speditivo su ortofoto 2013 e per le reti idriche dal piano regolatore generale degli acquedotti della Sardegna. Il contenuto alfanumerico deriva oltre che dalla restituzione aerofotogrammetrica, da diverse banche  banche dati (Carta dell'uso del suolo, DB Prior, Grafi viabilità ANAS e PROVINCE, Repertorio beni paesaggistici, ecc.).  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