EPSG
Chief Directorate Surveys and Land Information; Mowbray; South Africa.
2023-01-17
Not known.
Beware! Source CRS uses GLM, tfm param in m. Example: Schwarzeck φ=19°35'46.952"S λ=20°41'50.649"E h=1185.99m; X=5623409.386 Y=2124618.003 Z=-2125847.632 GLM; X=5623485.84m Y=2124646.89m Z=-2125876.54m; WGS 84 X=5624101.48m Y=2124748.97m Z=-2126132.35m.
Geocentric translations (geog2D domain)
Namibia - onshore and offshore.
(615.64, 102.08, -255.81, 0.0, 0.0, 0.0, 0.0)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Schwarzeck to WGS 84 (2)", VERSION["SLI-Nam"], SOURCECRS[ GEOGCRS["Schwarzeck", DATUM["Schwarzeck", ELLIPSOID["Bessel Namibia (GLM)",6377397.155,299.1528128, LENGTHUNIT["German legal metre",1.0000135965]]], 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",4293]]], 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",615.64, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",102.08, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-255.81, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[999.0], USAGE[ SCOPE["Not known."], AREA["Namibia - onshore and offshore."], BBOX[-30.64,8.24,-16.95,25.27]], ID["EPSG",1271], REMARK["Beware! Source CRS uses GLM, tfm param in m. Example: Schwarzeck φ=19°35'46.952""S λ=20°41'50.649""E h=1185.99m; X=5623409.386 Y=2124618.003 Z=-2125847.632 GLM; X=5623485.84m Y=2124646.89m Z=-2125876.54m; WGS 84 X=5624101.48m Y=2124748.97m Z=-2126132.35m."]]
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=bess_nam +step +proj=helmert +x=615.64 +y=102.08 +z=-255.81 +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:1271","+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=bess_nam +step +proj=helmert +x=615.64 +y=102.08 +z=-255.81 +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": "Schwarzeck to WGS 84 (2)", "source_crs": { "type": "GeographicCRS", "name": "Schwarzeck", "datum": { "type": "GeodeticReferenceFrame", "name": "Schwarzeck", "ellipsoid": { "name": "Bessel Namibia (GLM)", "semi_major_axis": { "value": 6377397.155, "unit": { "type": "LinearUnit", "name": "German legal metre", "conversion_factor": 1.0000135965 } }, "inverse_flattening": 299.1528128 } }, "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": 4293 } }, "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": 615.64, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 102.08, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -255.81, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "999.0", "scope": "Not known.", "area": "Namibia - onshore and offshore.", "bbox": { "south_latitude": -30.64, "west_longitude": 8.24, "north_latitude": -16.95, "east_longitude": 25.27 }, "id": { "authority": "EPSG", "code": 1271 }, "remarks": "Beware! Source CRS uses GLM, tfm param in m. Example: Schwarzeck φ=19°35'46.952\"S λ=20°41'50.649\"E h=1185.99m; X=5623409.386 Y=2124618.003 Z=-2125847.632 GLM; X=5623485.84m Y=2124646.89m Z=-2125876.54m; WGS 84 X=5624101.48m Y=2124748.97m Z=-2126132.35m." }
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=bess_nam" "step" "proj=helmert" "x=615.64" "y=102.08" "z=-255.81" "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=bess_nam +step +proj=helmert +x=615.64 +y=102.08 +z=-255.81 +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=bess_nam +step +proj=helmert +x=615.64 +y=102.08 +z=-255.81 +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 ( 1271, 'EPSG', 1271, '+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=bess_nam +step +proj=helmert +x=615.64 +y=102.08 +z=-255.81 +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');