EPSG:6257

MAGNA-SIRGAS / Medellin urban grid

Transform Get position on a map

Available transformations
to EPSG:4326
No other targets exist for this CRS

  • Colombia , accuracy 1.0 m, code 15738 (default) [3]

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Approximation at the +/- 1m level assuming that MAGNA-SIRGAS is equivalent to WGS 84.

Information source: OGP

Revision date: 2021-09-23

Attributes

Unit: metre

Geodetic CRS: MAGNA-SIRGAS

Datum: Marco Geocentrico Nacional de Referencia

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Instituto Geografico Agustin Codazzi (IGAC).

Revision date: 2013-05-19

Scope: Cadastre, engineering survey, topographic mapping (large scale).

Area of use: Colombia - Medellin city.

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

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SimpleMap

Center coordinates
807109.47 1115649.13

Projected bounds:
-189562.25 23891.87
1803508.55 2215747.38

WGS84 bounds:
-84.77 -4.23
-66.87 15.51

Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.
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Definition: OGC Well Known Text 2 (2019)

PROJCRS["MAGNA-SIRGAS / Medellin urban grid",
    BASEGEOGCRS["MAGNA-SIRGAS",
        DATUM["Marco Geocentrico Nacional de Referencia",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4686]],
    CONVERSION["Medellin urban grid",
        METHOD["Colombia Urban",
            ID["EPSG",1052]],
        PARAMETER["Latitude of natural origin",6.22920888888889,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-75.5648869444444,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",835378.647,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",1180816.875,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]],
        PARAMETER["Projection plane origin height",1510,
            LENGTHUNIT["metre",1],
            ID["EPSG",1039]]],
    CS[Cartesian,2],
        AXIS["northing (N)",north,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["easting (E)",east,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Cadastre, engineering survey, topographic mapping (large scale)."],
        AREA["Colombia - Medellin city."],
        BBOX[6.12,-75.66,6.37,-75.5]],
    ID["EPSG",6257]]

Definition: ESRI Well Known Text

PROJCS["MAGNA_Medellin_Antioquia_2010",
    GEOGCS["GCS_MAGNA",
        DATUM["D_MAGNA",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["IGAC_Plano_Cartesiano"],
    PARAMETER["False_Easting",835378.647],
    PARAMETER["False_Northing",1180816.875],
    PARAMETER["Longitude_Of_Center",-75.5648869444444],
    PARAMETER["Latitude_Of_Center",6.22920888888889],
    PARAMETER["Height",1510.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=col_urban +lat_0=6.22920888888889 +lon_0=-75.5648869444444 +x_0=835378.647 +y_0=1180816.875 +h_0=1510 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:6257","+proj=col_urban +lat_0=6.22920888888889 +lon_0=-75.5648869444444 +x_0=835378.647 +y_0=1180816.875 +h_0=1510 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "MAGNA-SIRGAS / Medellin urban grid",
    "base_crs": {
        "name": "MAGNA-SIRGAS",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Marco Geocentrico Nacional de Referencia",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "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": 4686
        }
    },
    "conversion": {
        "name": "Medellin urban grid",
        "method": {
            "name": "Colombia Urban",
            "id": {
                "authority": "EPSG",
                "code": 1052
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 6.22920888888889,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -75.5648869444444,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": 835378.647,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 1180816.875,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            },
            {
                "name": "Projection plane origin height",
                "value": 1510,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 1039
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Cadastre, engineering survey, topographic mapping (large scale).",
    "area": "Colombia - Medellin city.",
    "bbox": {
        "south_latitude": 6.12,
        "west_longitude": -75.66,
        "north_latitude": 6.37,
        "east_longitude": -75.5
    },
    "id": {
        "authority": "EPSG",
        "code": 6257
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=col_urban"
	"lat_0=6.22920888888889"
	"lon_0=-75.5648869444444"
	"x_0=835378.647"
	"y_0=1180816.875"
	"h_0=1510"
	"ellps=GRS80"
	"towgs84=0,0,0,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=col_urban +lat_0=6.22920888888889 +lon_0=-75.5648869444444 +x_0=835378.647 +y_0=1180816.875 +h_0=1510 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=col_urban +lat_0=6.22920888888889 +lon_0=-75.5648869444444 +x_0=835378.647 +y_0=1180816.875 +h_0=1510 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>