EPSG
Institut National de Cartographie (INC)
2011-06-27
Cadastre, engineering survey, topographic mapping (large and medium scale).
For forestry applications see projection code 5222.
(0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["Gabon Transverse Mercator 2011", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",11.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",1500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",5500000, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",5522]]
Definition: ESRI Well Known Text
PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",1500000.0], PARAMETER["False_Northing",5500000.0], PARAMETER["Central_Meridian",11.5], PARAMETER["Scale_Factor",0.9996], PARAMETER["Latitude_Of_Origin",0.0]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Gabon Transverse Mercator 2011", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 11.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 1500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 5500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 5522 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=11.5 +k=0.9996 +x_0=1500000 +y_0=5500000"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=11.5 +k=0.9996 +x_0=1500000 +y_0=5500000"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5522, 'EPSG', 5522, '+proj=tmerc +lat_0=0 +lon_0=11.5 +k=0.9996 +x_0=1500000 +y_0=5500000', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",11.5],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1500000],PARAMETER["false_northing",5500000]');