GeoTopographic database update

DBGT (DataBase Geotopografico) of the municipal territory updated with dispatch method. The original DBGT was created by the Veneto Region using version 2.6 of the specific Veneto Region for the formation of the Topographic DB; the specifications show the layers, themes and classes that make up the DBGT.采用分发更新方式的市级行政辖区地理地形数据库（DataBase Geotopografico，简称DBGT）。原始DBGT由威尼托大区（Veneto Region）采用其针对地形数据库构建制定的专用2.6版规范创建；该规范明确了构成该地理地形数据库的图层、主题与分类项。