EPSG:21897

Bogota 1975 / Colombia Bogota zone

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived in 1987 at 7 stations. Accuracy 6m, 5m and 6m in X, Y and Z axes.

Information source: U.S. Defense Mapping Agency TR8350.2 September 1987.

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Bogota 1975

Datum: Bogota 1975

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Instituto Geografico Agustin Codazzi (IGAC).

Revision date: 2018-06-12

Scope: Engineering survey, topographic mapping.

Remarks: Replaced by MAGNA-SIRGAS / Colombia Bogota zone (CRS code 3116).

Area of use: Colombia - onshore between 1°30'W and 1°30'E of Bogota (75°35'W and 72°35'W of Greenwich).

Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

Center coordinates
1121214.12 1014338.8

Projected bounds:
441694.59 22218.65
1781554.57 2016392.38

WGS84 bounds:
-79.1 -4.23
-66.87 13.68

Colombia - mainland and offshore Caribbean.
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Definition: Well Known Text (WKT)

PROJCS["Bogota 1975 / Colombia Bogota zone",
    GEOGCS["Bogota 1975",
        DATUM["Bogota_1975",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[307,304,-318,0,0,0,0]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4218"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",4.59904722222222],
    PARAMETER["central_meridian",-74.0809166666667],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",1000000],
    UNIT["metre",1],
    AUTHORITY["EPSG","21897"]]

Definition: ESRI WKT

PROJCS["Colombia_Bogota_Zone",GEOGCS["GCS_Bogota",DATUM["D_Bogota",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",1000000.0],PARAMETER["False_Northing",1000000.0],PARAMETER["Central_Meridian",-74.0809166666667],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",4.59904722222222],UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=4.59904722222222 +lon_0=-74.0809166666667 +k=1 +x_0=1000000 +y_0=1000000 +ellps=intl +towgs84=307,304,-318,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:21897","+proj=tmerc +lat_0=4.59904722222222 +lon_0=-74.0809166666667 +k=1 +x_0=1000000 +y_0=1000000 +ellps=intl +towgs84=307,304,-318,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Bogota 1975 / Colombia Bogota zone",
    "base_crs": {
        "name": "Bogota 1975",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Bogota 1975",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            }
        },
        "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": 4218
        }
    },
    "conversion": {
        "name": "Colombia Bogota 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": -74.0809166666667,
                "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
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "X",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "Y",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Colombia - onshore between 1°30'W and 1°30'E of Bogota (75°35'W and 72°35'W of Greenwich).",
    "bbox": {
        "south_latitude": -2.51,
        "west_longitude": -75.59,
        "north_latitude": 11.82,
        "east_longitude": -72.58
    },
    "id": {
        "authority": "EPSG",
        "code": 21897
    }
}

Definition: GeoServer

21897=PROJCS["Bogota 1975 / Colombia Bogota zone",GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[307,304,-318,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.59904722222222],PARAMETER["central_meridian",-74.0809166666667],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1],AUTHORITY["EPSG","21897"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=4.59904722222222"
	"lon_0=-74.0809166666667"
	"k=1"
	"x_0=1000000"
	"y_0=1000000"
	"ellps=intl"
	"towgs84=307,304,-318,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=4.59904722222222 +lon_0=-74.0809166666667 +k=1 +x_0=1000000 +y_0=1000000 +ellps=intl +towgs84=307,304,-318,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=4.59904722222222 +lon_0=-74.0809166666667 +k=1 +x_0=1000000 +y_0=1000000 +ellps=intl +towgs84=307,304,-318,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 21897, 'EPSG', 21897, '+proj=tmerc +lat_0=4.59904722222222 +lon_0=-74.0809166666667 +k=1 +x_0=1000000 +y_0=1000000 +ellps=intl +towgs84=307,304,-318,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Bogota 1975 / Colombia Bogota zone",GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[307,304,-318,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.59904722222222],PARAMETER["central_meridian",-74.0809166666667],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1],AUTHORITY["EPSG","21897"]]');

Definition: OGC WKT

PROJCS["Bogota 1975 / Colombia Bogota zone",GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[307,304,-318,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.59904722222222],PARAMETER["central_meridian",-74.0809166666667],PARAMETER["scale_factor",1],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1],AUTHORITY["EPSG","21897"]]

Definition: OGC WKT 2 (2019)

PROJCRS["Bogota 1975 / Colombia Bogota zone",BASEGEOGCRS["Bogota 1975",DATUM["Bogota 1975",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4218]],CONVERSION["Colombia Bogota 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",-74.0809166666667,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]]],CS[Cartesian,2],AXIS["northing (X)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (Y)",east,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Colombia - onshore between 1°30'W and 1°30'E of Bogota (75°35'W and 72°35'W of Greenwich)."],BBOX[-2.51,-75.59,11.82,-72.58]],ID["EPSG",21897]]