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Geodetic CRS: Kertau 1968
Datum: Kertau 1968
Ellipsoid: Everest 1830 Modified
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2019-01-14
Scope: Transformation of coordinates at 2m level of accuracy.
Remarks: SLA used several affine transformations for migration of legacy data. These are not publicly available.
Method: Cartesian Grid Offsets
Area of use: Singapore - onshore and offshore.
Description: (0,)
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Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Kertau 1968 / Singapore Grid to SVY21 / Singapore TM (1)", VERSION["OGP-SGP"], SOURCECRS[ PROJCRS["Kertau 1968 / Singapore Grid", BASEGEOGCRS["Kertau 1968", DATUM["Kertau 1968", ELLIPSOID["Everest 1830 Modified",6377304.063,300.8017, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4245]], CONVERSION["Singapore Grid", METHOD["Cassini-Soldner", ID["EPSG",9806]], PARAMETER["Latitude of natural origin",1.28764666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",103.853002222222, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",30000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",30000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], ID["EPSG",24500]]], TARGETCRS[ PROJCRS["SVY21 / Singapore TM", BASEGEOGCRS["SVY21", DATUM["SVY21", ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4757]], CONVERSION["Singapore Transverse Mercator", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",1.36666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",103.833333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",28001.642, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",38744.572, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (N)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (E)",east, ORDER[2], LENGTHUNIT["metre",1]], ID["EPSG",3414]]], METHOD["Cartesian Grid Offsets", ID["EPSG",9656]], PARAMETER["Easting offset",0, LENGTHUNIT["metre",1], ID["EPSG",8728]], PARAMETER["Northing offset",0, LENGTHUNIT["metre",1], ID["EPSG",8729]], OPERATIONACCURACY[2.0], USAGE[ SCOPE["Transformation of coordinates at 2m level of accuracy."], AREA["Singapore - onshore and offshore."], BBOX[1.13,103.59,1.47,104.07]], ID["EPSG",15922], REMARK["SLA used several affine transformations for migration of legacy data. These are not publicly available."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Kertau 1968 / Singapore Grid to SVY21 / Singapore TM (1)", "source_crs": { "type": "ProjectedCRS", "name": "Kertau 1968 / Singapore Grid", "base_crs": { "type": "GeographicCRS", "name": "Kertau 1968", "datum": { "type": "GeodeticReferenceFrame", "name": "Kertau 1968", "ellipsoid": { "name": "Everest 1830 Modified", "semi_major_axis": 6377304.063, "inverse_flattening": 300.8017 } }, "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": 4245 } }, "conversion": { "name": "Singapore Grid", "method": { "name": "Cassini-Soldner", "id": { "authority": "EPSG", "code": 9806 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 1.28764666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 103.853002222222, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 30000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 30000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 24500 } }, "target_crs": { "type": "ProjectedCRS", "name": "SVY21 / Singapore TM", "base_crs": { "type": "GeographicCRS", "name": "SVY21", "datum": { "type": "GeodeticReferenceFrame", "name": "SVY21", "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 } }, "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": 4757 } }, "conversion": { "name": "Singapore Transverse Mercator", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 1.36666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 103.833333333333, "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": 28001.642, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 38744.572, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 3414 } }, "method": { "name": "Cartesian Grid Offsets", "id": { "authority": "EPSG", "code": 9656 } }, "parameters": [ { "name": "Easting offset", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8728 } }, { "name": "Northing offset", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8729 } } ], "accuracy": "2.0", "scope": "Transformation of coordinates at 2m level of accuracy.", "area": "Singapore - onshore and offshore.", "bbox": { "south_latitude": 1.13, "west_longitude": 103.59, "north_latitude": 1.47, "east_longitude": 104.07 }, "id": { "authority": "EPSG", "code": 15922 }, "remarks": "SLA used several affine transformations for migration of legacy data. These are not publicly available." }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=axisswap +order=2,1"> <Layer srs="+proj=axisswap +order=2,1"> </Layer> </Map>
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