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Geodetic CRS: Timbalai 1948
Datum: Timbalai 1948
Ellipsoid: Everest 1830 (1967 Definition)
Prime meridian: Greenwich
Data source: EPSG
Information source: US NGA GeoTrans software v3.4 and NGA Standard 0036 v1.0.0 of 2014-07-08.
Revision date: 2020-03-14
Scope: Military survey.
Remarks: Derived at 9 stations. Accuracy 1m, 6m and 2m in X, Y and Z axes.
Method: Geocentric translations (geog2D domain)
Area of use: Brunei Darussalam - onshore.
Description: (-679.0, 667.0, -49.0, 0.0, 0.0, 0.0, 0.0)
&stroke=red&width=2&path=4.01,114.09|5.11,114.09|5.11,115.37|4.01,115.37|4.01,114.09)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Timbalai 1948 to WGS 84 (6)", VERSION["NGA-Brn GeoTrans3-4"], SOURCECRS[ GEOGCRS["Timbalai 1948", DATUM["Timbalai 1948", ELLIPSOID["Everest 1830 (1967 Definition)",6377298.556,300.8017, 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]], ID["EPSG",4298]]], 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]], ID["EPSG",4326]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-679, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",667, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-49, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[6.0], USAGE[ SCOPE["Military survey."], AREA["Brunei Darussalam - onshore."], BBOX[4.01,114.09,5.11,115.37]], ID["EPSG",6902], REMARK["Derived at 9 stations. Accuracy 1m, 6m and 2m in X, Y and Z axes."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=evrstSS +step +proj=helmert +x=-679 +y=667 +z=-49 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:6902","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=evrstSS +step +proj=helmert +x=-679 +y=667 +z=-49 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Timbalai 1948 to WGS 84 (6)", "source_crs": { "type": "GeographicCRS", "name": "Timbalai 1948", "datum": { "type": "GeodeticReferenceFrame", "name": "Timbalai 1948", "ellipsoid": { "name": "Everest 1830 (1967 Definition)", "semi_major_axis": 6377298.556, "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": 4298 } }, "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 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -679, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 667, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -49, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "6.0", "scope": "Military survey.", "area": "Brunei Darussalam - onshore.", "bbox": { "south_latitude": 4.01, "west_longitude": 114.09, "north_latitude": 5.11, "east_longitude": 115.37 }, "id": { "authority": "EPSG", "code": 6902 }, "remarks": "Derived at 9 stations. Accuracy 1m, 6m and 2m in X, Y and Z axes." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=evrstSS" "step" "proj=helmert" "x=-679" "y=667" "z=-49" "step" "inv" "proj=cart" "ellps=WGS84" "step" "proj=pop" "v_3" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=evrstSS +step +proj=helmert +x=-679 +y=667 +z=-49 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=evrstSS +step +proj=helmert +x=-679 +y=667 +z=-49 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6902, 'EPSG', 6902, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=evrstSS +step +proj=helmert +x=-679 +y=667 +z=-49 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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