EPSG:2010

NAD27(CGQ77) / SCoPQ zone 4

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: NTv2

Grid Files: CQ77NA83.GSB

Remarks: Parameter file is from NAD27(CGQ77) to NAD83 (2) (code 1575) assuming that NAD83(CSRS)v2 is equivalent to WGS 84 within the accuracy of the transformation.

Information source: OGP

Revision date: 2021-11-04

Attributes

Unit: metre

Geodetic CRS: NAD27(CGQ77)

Datum: North American Datum 1927 (CGQ77)

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: Geodetic Service of Quebec; Quebec Ministry of Natural Resources.

Revision date: 2000-03-07

Scope: Engineering survey, topographic mapping.

Area of use: Canada - Quebec - between 63°W and 60°W.

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

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
-154399.34 5985994.74

Projected bounds:
-1141858.57 4983150.65
651681.6 7079312.38

WGS84 bounds:
-79.85 44.99
-57.1 62.62

Canada - Quebec.
MapTiler banner

Definition: OGC Well Known Text

PROJCS["NAD27(CGQ77) / SCoPQ zone 4",
    GEOGCS["NAD27(CGQ77)",
        DATUM["North_American_Datum_1927_CGQ77",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","CQ77NA83.GSB"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4609"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",-61.5],
    PARAMETER["scale_factor",0.9999],
    PARAMETER["false_easting",304800],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2010"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD27(CGQ77) / SCoPQ zone 4",
    BASEGEOGCRS["NAD27(CGQ77)",
        DATUM["North American Datum 1927 (CGQ77)",
            ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4609]],
    CONVERSION["MTM zone 4",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-61.5,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9999,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",304800,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Canada - Quebec - between 63°W and 60°W."],
        BBOX[47.16,-63,52.01,-60]],
    ID["EPSG",2010]]

Definition: ESRI Well Known Text

PROJCS["NAD_1927_CGQ77_MTM_4_SCoPQ",
    GEOGCS["GCS_NAD_1927_CGQ77",
        DATUM["D_NAD_1927_CGQ77",
            SPHEROID["Clarke_1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","CQ77NA83.GSB"]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",304800.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-61.5],
    PARAMETER["Scale_Factor",0.9999],
    PARAMETER["Latitude_Of_Origin",0.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:2010","+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD27(CGQ77) / SCoPQ zone 4",
    "base_crs": {
        "name": "NAD27(CGQ77)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1927 (CGQ77)",
            "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": 4609
        }
    },
    "conversion": {
        "name": "MTM zone 4",
        "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": -61.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.9999,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 304800,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Canada - Quebec - between 63°W and 60°W.",
    "bbox": {
        "south_latitude": 47.16,
        "west_longitude": -63,
        "north_latitude": 52.01,
        "east_longitude": -60
    },
    "id": {
        "authority": "EPSG",
        "code": 2010
    }
}

Definition: GeoServer

2010=PROJCS["NAD27(CGQ77) / SCoPQ zone 4",GEOGCS["NAD27(CGQ77)",DATUM["North_American_Datum_1927_CGQ77",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","CQ77NA83.GSB"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4609"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-61.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",304800],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2010"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=-61.5"
	"k=0.9999"
	"x_0=304800"
	"y_0=0"
	"ellps=clrk66"
	"nadgrids=CQ77NA83.GSB"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2010, 'EPSG', 2010, '+proj=tmerc +lat_0=0 +lon_0=-61.5 +k=0.9999 +x_0=304800 +y_0=0 +ellps=clrk66 +nadgrids=CQ77NA83.GSB +units=m +no_defs +type=crs', 'PROJCS["NAD27(CGQ77) / SCoPQ zone 4",GEOGCS["NAD27(CGQ77)",DATUM["North_American_Datum_1927_CGQ77",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","CQ77NA83.GSB"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4609"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-61.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",304800],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2010"]]');