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Method: Molodensky-Badekas (CF geog2D domain)
Remarks: Parameter values taken from Katanga 1955 to RGRDC 2005 (2) (code 4067) assuming that RGRDC 2005 is equivalent to WGS 84 within the accuracy of the transformation.
Information source: SD Geomatique.
Revision date: 2020-03-14
Unit: metre
Geodetic CRS: Katanga 1955
Datum: Katanga 1955
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Information source: J. van der Straeten, "Triangulation du Katanga", Comite Special du Katanga (CSK), 1955.
Revision date: 2009-03-11
Scope: Topographic mapping (medium and small scale).
Area of use: The Democratic Republic of the Congo (Zaire) - Katanga.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=-12.01,26.38|-11.13,26.38|-11.13,27.75|-12.01,27.75|-12.01,26.38)
Center coordinates
616342.49 -1805412.03
Projected bounds:
541574.14 -1854382.42
691292.53 -1756599.1
WGS84 bounds:
26.38 -12.01
27.75 -11.13
Definition: OGC Well Known Text
PROJCS["Katanga 1955 / Katanga Lambert", GEOGCS["Katanga 1955", DATUM["Katanga_1955", SPHEROID["Clarke 1866",6378206.4,294.978698213898], TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4695"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",9], PARAMETER["central_meridian",26], PARAMETER["standard_parallel_1",-6.5], PARAMETER["standard_parallel_2",-11.5], PARAMETER["false_easting",500000], PARAMETER["false_northing",500000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","3985"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Katanga 1955 / Katanga Lambert", BASEGEOGCRS["Katanga 1955", DATUM["Katanga 1955", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4695]], CONVERSION["Katanga Lambert", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",9, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",26, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",-6.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",-11.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",500000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",500000, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping (medium and small scale)."], AREA["The Democratic Republic of the Congo (Zaire) - Katanga."], BBOX[-13.46,21.74,-4.99,30.78]], ID["EPSG",3985]]
Definition: ESRI Well Known Text
PROJCS["Katanga_1955_Katanga_Lambert", GEOGCS["GCS_Katanga_1955", DATUM["D_Katanga_1955", SPHEROID["Clarke_1866",6378206.4,294.978698213898]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",500000.0], PARAMETER["Central_Meridian",26.0], PARAMETER["Standard_Parallel_1",-6.5], PARAMETER["Standard_Parallel_2",-11.5], PARAMETER["Latitude_Of_Origin",9.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Katanga 1955 / Katanga Lambert", "base_crs": { "name": "Katanga 1955", "datum": { "type": "GeodeticReferenceFrame", "name": "Katanga 1955", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "inverse_flattening": 294.978698213898 } }, "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": 4695 } }, "conversion": { "name": "Katanga Lambert", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 9, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": 26, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": -6.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": -11.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "scope": "Topographic mapping (medium and small scale).", "area": "The Democratic Republic of the Congo (Zaire) - Katanga.", "bbox": { "south_latitude": -13.46, "west_longitude": 21.74, "north_latitude": -4.99, "east_longitude": 30.78 }, "id": { "authority": "EPSG", "code": 3985 } }
Definition: GeoServer
3985=PROJCS["Katanga 1955 / Katanga Lambert",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",9],PARAMETER["central_meridian",26],PARAMETER["standard_parallel_1",-6.5],PARAMETER["standard_parallel_2",-11.5],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3985"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3985, 'EPSG', 3985, '+proj=lcc +lat_0=9 +lon_0=26 +lat_1=-6.5 +lat_2=-11.5 +x_0=500000 +y_0=500000 +ellps=clrk66 +towgs84=-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315 +units=m +no_defs +type=crs', 'PROJCS["Katanga 1955 / Katanga Lambert",GEOGCS["Katanga 1955",DATUM["Katanga_1955",SPHEROID["Clarke 1866",6378206.4,294.978698213898],TOWGS84[-102.283,-10.277,-257.396,-3.976,-0.002,-6.203,12.315]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4695"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",9],PARAMETER["central_meridian",26],PARAMETER["standard_parallel_1",-6.5],PARAMETER["standard_parallel_2",-11.5],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3985"]]');
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