WMS TopPlusOpen – TopPlusOpen (Upscale)
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Presentation service (WMS) for a freely usable worldwide uniform web map based on free and official data sources.The product presents, among other things, free official geodata of the Federal Government and the Open Data Länder Berlin, Brandenburg, Hamburg, North Rhine-Westphalia, Saxony and Thuringia. In addition, Mecklenburg-Vorpommern and Rhineland-Palatinate provide their official geodata for the TopPlusOpen as part of a cooperation agreement, so that these countries are also represented exclusively by official data.In the other federal states and abroad, OSM data are mainly used in the corresponding zoom levels, which, from the point of view of the BKG, meet all quality requirements and can be combined almost seamlessly with the official data.The web services of TopPlusOpen are offered via the standardised interfaces WMS and WMTS and are highly performant. — TopPlusOpen: Detailed map presentation in solid colours – TopPlusOpen Grayscale: Identical in content to the full-tone variant; automatically generated grayscales – TopPlusOpen Light: Reduced content compared to the solid tone variant; Subtle Coloring – TopPlusOpen Light Grey: Identical to the TopPlusOpen Light; The TopPlusOpen web map is produced in two projections: Pseudo-Mercator Projection (EPSG:3857) – UTM32 (EPSG:25832)Pseudo-Mercator Projection: The web map has 19 scale levels in this projection and is divided into three different display areas: Worldwide presentation for small scales – Europe-wide presentation for medium scales – Detail presentation for Germany and the neighbouring foreign projection UTM32: The web map has 14 scale levels in this projection and is divided into two display areas: Europe-wide presentation for medium scales – Detail presentation for Germany and neighbouring countries:Normal edition with worldwide map presentation. For regions without data, there is a scaling of image data from previous zoom levels.
本服务为基于免费官方数据源构建的可全球免费使用的标准化统一网络地图展示服务(Web Map Service,WMS)。该服务涵盖的数据源包括德国联邦政府及柏林、勃兰登堡、汉堡、北莱茵-威斯特伐利亚、萨克森与图林根州的官方开放地理空间数据。此外,梅克伦堡-前波美拉尼亚州与莱茵兰-普法尔茨州亦通过合作协议,将其官方地理空间数据纳入TopPlusOpen项目,因此上述两州同样仅采用官方数据源实现数据覆盖。在其余德国联邦州及境外区域,对应缩放层级主要采用开放街道地图(OpenStreetMap,OSM)数据;据德国联邦测绘与大地测量局(BKG)评估,此类数据已满足全部质量要求,且可与官方数据源实现近乎无缝的融合。TopPlusOpen的网络服务通过标准化接口WMS与WMTS(Web Map Tile Service)提供,具备高性能特性。 —— TopPlusOpen:采用纯色渲染的精细地图展示版本 —— TopPlusOpen Grayscale:内容与纯色版本完全一致,为自动生成的灰度配色方案 —— TopPlusOpen Light:相较于纯色版本内容有所精简,采用柔和配色 —— TopPlusOpen Light Grey:与TopPlusOpen Light完全相同 TopPlusOpen网络地图提供两种投影制式:伪墨卡托投影(EPSG:3857)与UTM32投影(EPSG:25832)。伪墨卡托投影下,该网络地图共包含19个缩放层级,并划分为三个展示区域:小比例尺下的全球展示、中比例尺下的欧洲全域展示,以及针对德国及周边区域的细节展示。UTM32投影下,该网络地图共包含14个缩放层级,并划分为两个展示区域:中比例尺下的欧洲全域展示,以及针对德国及周边区域的细节展示。标准版提供全球范围的地图展示。对于无对应数据源的区域,将采用前一级缩放层级的影像数据进行缩放补全。



