Cadastre, engineering survey, topographic mapping (large scale).
Also found with truncated false easting - see CGCS2000 / 3-degree Gauss-Kruger CM 114E (code 4547).
China - onshore between 112°30'E and 115°30'E.
Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
38500000.0 3706538.8
38344577.88 2380651.49
38655422.12 5036050.38
112.5 21.52
115.5 45.45
Definition: OGC Well Known Text
PROJCS["CGCS2000 / 3-degree Gauss-Kruger zone 38", GEOGCS["China Geodetic Coordinate System 2000", DATUM["China_2000", SPHEROID["CGCS2000",6378137,298.257222101, AUTHORITY["EPSG","1024"]], AUTHORITY["EPSG","1043"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4490"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",114], PARAMETER["scale_factor",1], PARAMETER["false_easting",38500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","4526"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["CGCS2000 / 3-degree Gauss-Kruger zone 38", BASEGEOGCRS["China Geodetic Coordinate System 2000", DATUM["China 2000", ELLIPSOID["CGCS2000",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4490]], CONVERSION["3-degree Gauss-Kruger zone 38", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",114, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",38500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large scale)."], AREA["China - onshore between 112°30'E and 115°30'E."], BBOX[21.52,112.5,45.45,115.5]], ID["EPSG",4526]]
Definition: ESRI Well Known Text
PROJCS["CGCS2000_3_Degree_GK_Zone_38", GEOGCS["GCS_China_Geodetic_Coordinate_System_2000", DATUM["D_China_2000", SPHEROID["CGCS2000",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Gauss_Kruger"], PARAMETER["False_Easting",38500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",114.0], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "CGCS2000 / 3-degree Gauss-Kruger zone 38", "base_crs": { "name": "China Geodetic Coordinate System 2000", "datum": { "type": "GeodeticReferenceFrame", "name": "China 2000", "ellipsoid": { "name": "CGCS2000", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4490 } }, "conversion": { "name": "3-degree Gauss-Kruger zone 38", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 114, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 38500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "scope": "Cadastre, engineering survey, topographic mapping (large scale).", "area": "China - onshore between 112°30'E and 115°30'E.", "bbox": { "south_latitude": 21.52, "west_longitude": 112.5, "north_latitude": 45.45, "east_longitude": 115.5 }, "id": { "authority": "EPSG", "code": 4526 } }
Definition: GeoServer
4526=PROJCS["CGCS2000 / 3-degree Gauss-Kruger zone 38",GEOGCS["China Geodetic Coordinate System 2000",DATUM["China_2000",SPHEROID["CGCS2000",6378137,298.257222101,AUTHORITY["EPSG","1024"]],AUTHORITY["EPSG","1043"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4490"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",114],PARAMETER["scale_factor",1],PARAMETER["false_easting",38500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","4526"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=38500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=38500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4526, 'EPSG', 4526, '+proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=38500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["CGCS2000 / 3-degree Gauss-Kruger zone 38",GEOGCS["China Geodetic Coordinate System 2000",DATUM["China_2000",SPHEROID["CGCS2000",6378137,298.257222101,AUTHORITY["EPSG","1024"]],AUTHORITY["EPSG","1043"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4490"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",114],PARAMETER["scale_factor",1],PARAMETER["false_easting",38500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","4526"]]');