Method: Coordinate Frame rotation (geog2D domain)
Remarks: Derived at 38 stations. Standard deviations of translations are 1.3, 1.1 and 3.6m, of rotations 0.11, 0.06 and 0.04 sec and ppm 0.18. May be taken as a tfm ID74 to WGS 84 - see tfm 1833.
Information source: Bakosurtanal.
Revision date: 2012-03-25
Unit: degree (supplier to define representation)
Geodetic CRS: ID74
Datum: Indonesian Datum 1974
Ellipsoid: Indonesian National Spheroid
Prime meridian: Greenwich
Data source: EPSG
Revision date: 2012-03-25
Scope: Geodesy.
Remarks: Replaced by DGN95.
Area of use: Indonesia - onshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["ID74", DATUM["Indonesian_Datum_1974", SPHEROID["Indonesian National Spheroid",6378160,298.247], TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4238"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["ID74", DATUM["Indonesian Datum 1974", ELLIPSOID["Indonesian National Spheroid",6378160,298.247, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Geodesy."], AREA["Indonesia - onshore."], BBOX[-10.98,95.16,5.97,141.01]], ID["EPSG",4238]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",-1.977, ID["EPSG",8605]], PARAMETER["Y-axis translation",-13.06, ID["EPSG",8606]], PARAMETER["Z-axis translation",-9.993, ID["EPSG",8607]], PARAMETER["X-axis rotation",-0.364, ID["EPSG",8608]], PARAMETER["Y-axis rotation",-0.254, ID["EPSG",8609]], PARAMETER["Z-axis rotation",-0.689, ID["EPSG",8610]], PARAMETER["Scale difference",0.999998963, ID["EPSG",8611]]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "ID74", "datum": { "type": "GeodeticReferenceFrame", "name": "Indonesian Datum 1974", "ellipsoid": { "name": "Indonesian National Spheroid", "semi_major_axis": 6378160, "inverse_flattening": 298.247 } }, "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": 4238 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": -1.977, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -13.06, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -9.993, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -0.364, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -0.254, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -0.689, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -1.037, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
4238=GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +no_defs +type=crs"> <Layer srs="+proj=longlat +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4238, 'EPSG', 4238, '+proj=longlat +a=6378160 +rf=298.247 +towgs84=-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037 +no_defs +type=crs', 'GEOGCS["ID74",DATUM["Indonesian_Datum_1974",SPHEROID["Indonesian National Spheroid",6378160,298.247],TOWGS84[-1.977,-13.06,-9.993,-0.364,-0.254,-0.689,-1.037]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4238"]]');