GeoTopographic database update

DBGT (DataBase Geotopografico) dataset 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通过调度方法更新的市域地理地形数据库（DataBase Geotopografico，简称DBGT）数据集。原始DBGT由威尼托大区（Veneto Region）基于其用于地形数据库（Topographic DB）构建的2.6版专属规范创建而成；该规范明确了构成DBGT的图层、主题与分类体系。