EPSG坐标系

常用坐标对应的EPSG编号

cgcs2000_geo: 4490
cgcs2000_3_gk_117E: 4548
cgcs2000_3_gk_120E: 4549
cgcs2000_3_gk_123E: 4550
wgs84_geo: 4326
web_mercator_auxiliary_sphere: 3875
web_mercator(google): 3785