Schummerung OBERFLAECHE Austria

Schummerung OBERFLAECHE Austria calculated from the ALS data of the countries is offered as a Web Map Tile Service within the framework of basemap.at. It is a pre-generated tile cache in which Web Mercator Auxiliary Sphere is compatible with popular worldwide base maps, such as those from OpenStreetMap, Google Maps and Bing Maps.基于该国机载激光扫描（Airborne Laser Scanning，ALS）数据计算得到的奥地利晕渲地表（Schummerung OBERFLAECHE Austria），以Web地图瓦片服务（Web Map Tile Service）的形式在basemap.at框架下对外提供。该预生成瓦片缓存所采用的Web墨卡托辅助球体坐标系（Web Mercator Auxiliary Sphere），可与开放街道地图、谷歌地图、必应地图等全球主流底图实现兼容。