基于proj4实现用于web端的中国境内常用地理坐标系和投影坐标系之间的投影转换和坐标转换。包括北京54、西安80、国家2000和WGS84。
GCS_Beijing_1954(Beijing54,EPSG:4214)
GCS_Xian_1980(Xian80,EPSG:4610)
GCS_CGCS_2000(CGCS2000,EPSG:4490)
GCS_WGS_1984(WGS84,EPSG:4326)
Beijing_1954_3_Degree_GK_Zone_xx (25-45,2401) False_Easting=zone+500000
Beijing_1954_3_Degree_GK_CM_xx (75E-135E,2422) False_Easting=500000
Beijing_1954_6_Degree_GK_Zone_xx (13-23,21413) False_Easting=zone+500000
Beijing_1954_6_Degree_GK_CM_xx (75E-135E,21473) False_Easting=500000
Xian_1980_3_Degree_GK_Zone_xx (25-45,2349) False_Easting=zone+500000
Xian_1980_3_Degree_GK_CM_xx (75E-135E,2370) False_Easting=500000
Xian_1980_6_Degree_GK_Zone_xx (13-23,2327) False_Easting=zone+500000
Xian_1980_6_Degree_GK_CM_xx (75E-135E,2338) False_Easting=500000
CGCS_2000_3_Degree_GK_Zone_xx (25-45,4513) False_Easting=zone+500000
CGCS_2000_3_Degree_GK_CM_xx (75E-135E,4534) False_Easting=500000
CGCS_2000_6_Degree_GK_Zone_xx (13-23,4491) False_Easting=zone+500000
CGCS_2000_6_Degree_GK_CM_xx (75E-135E,4502) False_Easting=500000
WGS_1984_Web_Mercator(EPSG:3857)
WGS_1984_World_Mercator(EPSG:3395)
软件架构说明
WGS_1984_Web_Mercator:WGS84伪墨卡托-球形墨卡托,谷歌地图,OpenStreetMap,必应,ArcGIS
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