Geocentric translations (geog2D domain)
Derived at 3 stations. Accuracy 20m in each axis. Beware! Source CRS uses German legal metres, transformation parameter values are in (International) metres. See tfm code 1271 for example.
U.S. Defense Mapping Agency TR8350.2 September 1987.
2023-11-19
Cadastre, engineering survey, topographic mapping (large and medium scale).
Namibia - onshore between 14°E and 16°E.
Cartesian 2D CS. Axes: westing, southing (Y,X). Orientations: west, south. UoM: GLM.
-178939.14 199840.36
-1098875.42 -559055.85
721360.84 1002595.29
8.24 -30.64
25.27 -16.95
Definition: OGC Well Known Text
PROJCS["Schwarzeck / Lo22/15", GEOGCS["Schwarzeck", DATUM["Schwarzeck", SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128], TOWGS84[616,97,-251,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4293"]], PROJECTION["Transverse_Mercator_South_Orientated"], PARAMETER["latitude_of_origin",-22], PARAMETER["central_meridian",15], PARAMETER["scale_factor",1], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["German legal metre",1.0000135965], AUTHORITY["EPSG","29375"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Schwarzeck / Lo22/15", BASEGEOGCRS["Schwarzeck", DATUM["Schwarzeck", ELLIPSOID["Bessel Namibia (GLM)",6377397.155,299.1528128, LENGTHUNIT["German legal metre",1.0000135965]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4293]], CONVERSION["South West African Survey Grid zone 15", METHOD["Transverse Mercator (South Orientated)", ID["EPSG",9808]], PARAMETER["Latitude of natural origin",-22, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",15, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",0, LENGTHUNIT["German legal metre",1.0000135965], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["German legal metre",1.0000135965], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["westing (Y)",west, ORDER[1], LENGTHUNIT["German legal metre",1.0000135965]], AXIS["southing (X)",south, ORDER[2], LENGTHUNIT["German legal metre",1.0000135965]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large and medium scale)."], AREA["Namibia - onshore between 14°E and 16°E."], BBOX[-28.3,14,-17.38,16]], ID["EPSG",29375]]], 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",616, ID["EPSG",8605]], PARAMETER["Y-axis translation",97, ID["EPSG",8606]], PARAMETER["Z-axis translation",-251, 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["Schwarzeck_Lo22_15", GEOGCS["GCS_Schwarzeck", DATUM["D_Schwarzeck", SPHEROID["Bessel_Namibia_GLM",6377483.86528042,299.1528128]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator_South_Orientated"], PARAMETER["latitude_of_origin",-22.0], PARAMETER["central_meridian",15.0], PARAMETER["scale_factor",1.0], PARAMETER["false_easting",0.0], PARAMETER["false_northing",0.0], UNIT["German legal metre",1.0000135965]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Schwarzeck / Lo22/15", "base_crs": { "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 } }, "conversion": { "name": "South West African Survey Grid zone 15", "method": { "name": "Transverse Mercator (South Orientated)", "id": { "authority": "EPSG", "code": 9808 } }, "parameters": [ { "name": "Latitude of natural origin", "value": -22, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 15, "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": 0, "unit": { "type": "LinearUnit", "name": "German legal metre", "conversion_factor": 1.0000135965 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": { "type": "LinearUnit", "name": "German legal metre", "conversion_factor": 1.0000135965 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Westing", "abbreviation": "Y", "direction": "west", "unit": { "type": "LinearUnit", "name": "German legal metre", "conversion_factor": 1.0000135965 } }, { "name": "Southing", "abbreviation": "X", "direction": "south", "unit": { "type": "LinearUnit", "name": "German legal metre", "conversion_factor": 1.0000135965 } } ] }, "id": { "authority": "EPSG", "code": 29375 } }, "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": 616, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 97, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -251, "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
29375=PROJCS["Schwarzeck / Lo22/15",GEOGCS["Schwarzeck",DATUM["Schwarzeck",SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128],TOWGS84[616,97,-251,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4293"]],PROJECTION["Transverse_Mercator_South_Orientated"],PARAMETER["latitude_of_origin",-22],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["German legal metre",1.0000135965],AUTHORITY["EPSG","29375"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=15 +k=1 +x_0=0 +y_0=0 +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +to_meter=1.0000135965 +no_defs +type=crs"> <Layer srs="+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=15 +k=1 +x_0=0 +y_0=0 +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +to_meter=1.0000135965 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 29375, 'EPSG', 29375, '+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=15 +k=1 +x_0=0 +y_0=0 +ellps=bess_nam +towgs84=616,97,-251,0,0,0,0 +to_meter=1.0000135965 +no_defs +type=crs', 'PROJCS["Schwarzeck / Lo22/15",GEOGCS["Schwarzeck",DATUM["Schwarzeck",SPHEROID["Bessel Namibia (GLM)",6377483.86528042,299.1528128],TOWGS84[616,97,-251,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4293"]],PROJECTION["Transverse_Mercator_South_Orientated"],PARAMETER["latitude_of_origin",-22],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["German legal metre",1.0000135965],AUTHORITY["EPSG","29375"]]');