美國國家地圖(The National Map)WMTS服務
美國USGS負責建置美國國家地圖(The National Map),並提供多元Open Data服務類型:http://basemap.nationalmap.gov/arcgis/rest/services/
其中,有幾個WMTS圖層對於美國地理相關介紹十分有用:
- USGSImageryOnly WMTS
http://basemap.nationalmap.gov/arcgis/rest/services/USGSImageryOnly/MapServer/WMTS
- USGSTopo WMTS
http://basemap.nationalmap.gov/arcgis/rest/services/USGSTopo/MapServer/WMTS - USGSShadedReliefOnly WMTS
http://basemap.nationalmap.gov/arcgis/rest/services/USGSShadedReliefOnly/MapServer/WMTS - The Vector base map service for The National Map
http://basemap.nationalmap.gov/arcgis/rest/services/TNM_Vector_Small/MapServer/WMTS