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<gmd:CI_Citation>                    <gmd:title>                      <gmx:Anchor xlink:href="http://data.europa.eu/eli/reg/2010/1089">REGOLAMENTO (UE) N. 1089/2010 DELLA COMMISSIONE del 23 novembre 2010 recante attuazione della direttiva 2007/2/CE del Parlamento europeo e del Consiglio per quanto riguarda l'interoperabilità dei set di dati territoriali e dei servizi di dati territoriali</gmx:Anchor>                    </gmd:title>                    <gmd:date>                      <gmd:CI_Date>                        <gmd:date>                          <gco:Date>2010-12-08</gco:Date>                        </gmd:date>                        <gmd:dateType>                          <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>                        </gmd:dateType>                      </gmd:CI_Date>                    </gmd:date>                  </gmd:CI_Citation>                </gmd:specification>                <gmd:explanation>                  <gco:CharacterString>Fare riferimento alle specifiche indicate</gco:CharacterString>                </gmd:explanation>                <gmd:pass gco:nilReason="unknown"/>              </gmd:DQ_ConformanceResult>            </gmd:result>          </gmd:DQ_DomainConsistency>        </gmd:report>        <gmd:lineage>          <gmd:LI_Lineage>            <gmd:statement>              <gco:CharacterString>I poligoni che costituiscono la copertura sono stati ottenuti attraverso l'elaborazione della 'banca dati dei sedimi edificati della Toscana' (scaricabile dal Portale Geoscopio Cartoteca), attraverso i passaggi descritti di seguito. Preliminarmente sono stati selezionati i sedimi edificati documentati nelle mappe dei catasti preunitari toscani; per le comunita' per le quali la documentazione storica non fosse disponibile, sono stati selezionati i sedimi documentati al 1954. I poligoni descrittivi dei sedimi cosi' selezionati sono stati elaborati attraverso l'algoritmo ESRI Aggregate Polygons, dai ricercatori del Laboratorio di Architettura, utilizzando i seguenti criteri: distanza massima di aggregazione pari a 50 m, dimensione massima dell'agglomerato maggiore o uguale a 0,5 ha; questa elaborazione individua pertanto gli aggregati edilizi composti da edifici reciprocamente distanti non piu' di 50 metri ed estesi oltre 5000 metri quadrati. Le forme dei poligoni cosi' ottenuti sono state semplificate per la rappresentazione cartografica attraverso l'algoritmo ESRI Bend Simplify con tolleranza di 100m. Ciascun poligono e' stato infine identificato attraverso un toponimo; l'attribuzione e' stata ottenuta attraverso la valutazione della prossimita' spaziale rispetto alla banca dati toponomastica della Carta Tecnica Regionale scala 1:10.000: ciascun poligono e' stato associato al toponimo piu' prossimo. Eventuali conflitti di attribuzione sono stati emendati in seguito a una valutazione critica. Con successiva elaborazione e' stato popolato l'attributo TPI che indica se il centro matrice ricade in un contesto di fondovalle (0), pianura (1), versante (2) o crinale (3).</gco:CharacterString>            </gmd:statement>          </gmd:LI_Lineage>        </gmd:lineage>      </gmd:DQ_DataQuality>    </gmd:dataQualityInfo>  </gmd:MD_Metadata>