GIS基础知识 - 坐标系、投影、EPSG:4326、EPSG:3857
GIS基础知识-坐标系、投影、EPSG:4326、EPSG:38571.大地测量学(Geodesy)1.1大地水准面(geoid)1.2参考椭球体(Referenceellipsoid)2.坐标系(coordinatesystem)2.1地理坐标系(Geographiccoordinatesystem)2.2投影坐标系(Projectedcoordinatesystems)3...._3857[...]