Cartography BTA 1:5,000 (reference year 2017). Enclosure and installation

Layer of the BTA (reference year 2017) containing the surface elements of the services, facilities and endowments for the entire territory of Navarre at 1:5,000 scale. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographical Institute (IGN). BTA is the acronym for “Harmonised Topographical Base”. It is a data model agreed by the Autonomous Communities (CCAA) and approved by the Higher Geographical Council (CSG) of which there is a version v1 dated 2008.本图层为2017基准年的统一地形基础（Harmonised Topographical Base，缩写BTA）图层，比例尺1:5000，涵盖纳瓦拉全境范围内的服务、设施与配套资源的地表要素。BTA是适配西班牙国家地理研究所（National Geographical Institute，缩写IGN）的国家制图基准（National Cartographic Base，缩写BCN）的生产规范所制作的数据集。BTA是"统一地形基础（Harmonised Topographical Base）"的英文缩写。该数据模型由西班牙各自治区（Autonomous Communities，缩写CCAA）协商一致制定，并经高级地理委员会（Higher Geographical Council，缩写CSG）批准，其v1版本发布于2008年。