EPSG
Instituto Geografico Agustin Codazzi (IGAC).
2007-07-02
Engineering survey, topographic mapping.
Original transformation by Gauss-Kruger formula. Zone name sometimes referred to as "3 west". Associated with Bogota datum.
Colombia - mainland onshore west of 1°30'W of Bogota (approximately 75°35'W of Greenwich).
(0,)
Definition: OGC Well Known Text
PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",4.59904722222222], PARAMETER["central_meridian",-77.0809166666667], PARAMETER["scale_factor",1], PARAMETER["false_easting",1000000], PARAMETER["false_northing",1000000]
Definition: OGC Well Known Text 2 (2019)
CONVERSION["Colombia West zone", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",4.59904722222222, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-77.0809166666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",1000000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",1000000, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",18051]]
Definition: ESRI Well Known Text
PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",1000000.0], PARAMETER["False_Northing",1000000.0], PARAMETER["Central_Meridian",-77.0809166666667], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",4.59904722222222]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Colombia West zone", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 4.59904722222222, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -77.0809166666667, "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": 1000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 1000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 18051 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=4.59904722222222 +lon_0=-77.0809166666667 +k=1 +x_0=1000000 +y_0=1000000"> <Layer srs="+proj=tmerc +lat_0=4.59904722222222 +lon_0=-77.0809166666667 +k=1 +x_0=1000000 +y_0=1000000"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 18051, 'EPSG', 18051, '+proj=tmerc +lat_0=4.59904722222222 +lon_0=-77.0809166666667 +k=1 +x_0=1000000 +y_0=1000000', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.59904722222222],PARAMETER["central_meridian",-77.0809166666667],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000]');