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Method: Geocentric translations (geog2D domain)
Remarks: To transform Kertau (RSO) to WGS 84, see concatenated transformation code 8659.
Information source: OGP
Revision date: 2006-07-24
Unit: British chain (Sears 1922 truncated)
Geodetic CRS: Kertau (RSO)
Datum: Kertau (RSO)
Ellipsoid: Everest 1830 (RSO 1969)
Prime meridian: Greenwich
Data source: EPSG
Information source: Defence Geographic Centre.
Revision date: 2006-08-14
Scope: Engineering survey, topographic mapping.
Remarks: See Kertau (RSO) / RSO Malaya (m) (CRS code 3168) for metric equivalent. Replaced by GDM2000 / Peninsula RSO (CRS code 3375).
Area of use: Malaysia - West Malaysia onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: chSe(T).
&stroke=red&width=2&path=1.13,99.59|6.72,99.59|6.72,104.6|1.13,104.6|1.13,99.59)
Center coordinates
22649.29 21580.87
Projected bounds:
8749.3 6210.42
36479.75 36996.33
WGS84 bounds:
99.59 1.13
104.6 6.72
Definition: OGC Well Known Text
PROJCS["Kertau (RSO) / RSO Malaya (ch)", GEOGCS["Kertau (RSO)", DATUM["Kertau_RSO", SPHEROID["Everest 1830 (RSO 1969)",6377295.664,300.8017], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4751"]], PROJECTION["Hotine_Oblique_Mercator"], PARAMETER["latitude_of_center",4], PARAMETER["longitude_of_center",102.25], PARAMETER["azimuth",323.0257905], PARAMETER["rectified_grid_angle",323.130102361111], PARAMETER["scale_factor",0.99984], PARAMETER["false_easting",40000], PARAMETER["false_northing",0], UNIT["British chain (Sears 1922 truncated)",20.116756], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","3167"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Kertau (RSO) / RSO Malaya (ch)", BASEGEOGCRS["Kertau (RSO)", DATUM["Kertau (RSO)", ELLIPSOID["Everest 1830 (RSO 1969)",6377295.664,300.8017, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4751]], CONVERSION["Rectified Skew Orthomorphic Malaya Grid (chain)", METHOD["Hotine Oblique Mercator (variant A)", ID["EPSG",9812]], PARAMETER["Latitude of projection centre",4, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8811]], PARAMETER["Longitude of projection centre",102.25, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8812]], PARAMETER["Azimuth of initial line",323.0257905, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8813]], PARAMETER["Angle from Rectified to Skew Grid",323.130102361111, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8814]], PARAMETER["Scale factor on initial line",0.99984, SCALEUNIT["unity",1], ID["EPSG",8815]], PARAMETER["False easting",40000, LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Malaysia - West Malaysia onshore."], BBOX[1.21,99.59,6.72,104.6]], ID["EPSG",3167]]], 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",0, ID["EPSG",8605]], PARAMETER["Y-axis translation",0, ID["EPSG",8606]], PARAMETER["Z-axis translation",0, ID["EPSG",8607]], PARAMETER["X-axis rotation",0, ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ID["EPSG",8609]], PARAMETER["Z-axis rotation",0, ID["EPSG",8610]], PARAMETER["Scale difference",1, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["Kertau_RSO_RSO_Malaya_ChSears1922trunc", GEOGCS["GCS_Kertau_RSO", DATUM["D_Kertau_RSO", SPHEROID["Everest_Modified_1969",6377295.664,300.8017]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Rectified_Skew_Orthomorphic_Natural_Origin"], PARAMETER["False_Easting",40000.0], PARAMETER["False_Northing",0.0], PARAMETER["Scale_Factor",0.99984], PARAMETER["Azimuth",-36.9742095], PARAMETER["Longitude_Of_Center",102.25], PARAMETER["Latitude_Of_Center",4.0], PARAMETER["XY_Plane_Rotation",-36.869897638889], UNIT["British chain (Sears 1922 truncated)",20.116756]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Kertau (RSO) / RSO Malaya (ch)", "base_crs": { "name": "Kertau (RSO)", "datum": { "type": "GeodeticReferenceFrame", "name": "Kertau (RSO)", "ellipsoid": { "name": "Everest 1830 (RSO 1969)", "semi_major_axis": 6377295.664, "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": 4751 } }, "conversion": { "name": "Rectified Skew Orthomorphic Malaya Grid (chain)", "method": { "name": "Hotine Oblique Mercator (variant A)", "id": { "authority": "EPSG", "code": 9812 } }, "parameters": [ { "name": "Latitude of projection centre", "value": 4, "unit": "degree", "id": { "authority": "EPSG", "code": 8811 } }, { "name": "Longitude of projection centre", "value": 102.25, "unit": "degree", "id": { "authority": "EPSG", "code": 8812 } }, { "name": "Azimuth of initial line", "value": 323.0257905, "unit": "degree", "id": { "authority": "EPSG", "code": 8813 } }, { "name": "Angle from Rectified to Skew Grid", "value": 323.130102361111, "unit": "degree", "id": { "authority": "EPSG", "code": 8814 } }, { "name": "Scale factor on initial line", "value": 0.99984, "unit": "unity", "id": { "authority": "EPSG", "code": 8815 } }, { "name": "False easting", "value": 40000, "unit": { "type": "LinearUnit", "name": "British chain (Sears 1922 truncated)", "conversion_factor": 20.116756 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": { "type": "LinearUnit", "name": "British chain (Sears 1922 truncated)", "conversion_factor": 20.116756 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "British chain (Sears 1922 truncated)", "conversion_factor": 20.116756 } }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "British chain (Sears 1922 truncated)", "conversion_factor": 20.116756 } } ] }, "id": { "authority": "EPSG", "code": 3167 } }, "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": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 0, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
3167=PROJCS["Kertau (RSO) / RSO Malaya (ch)",GEOGCS["Kertau (RSO)",DATUM["Kertau_RSO",SPHEROID["Everest 1830 (RSO 1969)",6377295.664,300.8017],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4751"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",4],PARAMETER["longitude_of_center",102.25],PARAMETER["azimuth",323.0257905],PARAMETER["rectified_grid_angle",323.130102361111],PARAMETER["scale_factor",0.99984],PARAMETER["false_easting",40000],PARAMETER["false_northing",0],UNIT["British chain (Sears 1922 truncated)",20.116756],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3167"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=omerc +no_uoff +lat_0=4 +lonc=102.25 +alpha=323.0257905 +gamma=323.130102361111 +k=0.99984 +x_0=804670.24 +y_0=0 +ellps=evrst69 +towgs84=0,0,0,0,0,0,0 +to_meter=20.116756 +no_defs +type=crs"> <Layer srs="+proj=omerc +no_uoff +lat_0=4 +lonc=102.25 +alpha=323.0257905 +gamma=323.130102361111 +k=0.99984 +x_0=804670.24 +y_0=0 +ellps=evrst69 +towgs84=0,0,0,0,0,0,0 +to_meter=20.116756 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3167, 'EPSG', 3167, '+proj=omerc +no_uoff +lat_0=4 +lonc=102.25 +alpha=323.0257905 +gamma=323.130102361111 +k=0.99984 +x_0=804670.24 +y_0=0 +ellps=evrst69 +towgs84=0,0,0,0,0,0,0 +to_meter=20.116756 +no_defs +type=crs', 'PROJCS["Kertau (RSO) / RSO Malaya (ch)",GEOGCS["Kertau (RSO)",DATUM["Kertau_RSO",SPHEROID["Everest 1830 (RSO 1969)",6377295.664,300.8017],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4751"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",4],PARAMETER["longitude_of_center",102.25],PARAMETER["azimuth",323.0257905],PARAMETER["rectified_grid_angle",323.130102361111],PARAMETER["scale_factor",0.99984],PARAMETER["false_easting",40000],PARAMETER["false_northing",0],UNIT["British chain (Sears 1922 truncated)",20.116756],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3167"]]');
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