EPSG:2291 DEPRECATED

NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)

Selected transformation

Method: NTv2

Grid Files: PE7783V2.gsb

Remarks: Parameter file is from ATS77 to NAD83(CSRS)v2 (2) (code 9236) assuming that NAD83(CSRS)v2 is equivalent to WGS 84 within the accuracy of the transformation.

Information source: OGP

Revision date: 2021-09-23

Attributes

Unit: metre

Geodetic CRS: ATS77

Datum: Average Terrestrial System 1977

Ellipsoid: Average Terrestrial System 1977

Prime meridian: Greenwich

Data source: EPSG

Information source: PEI Department of Transportation & Public Works

Revision date: 2000-10-19

Scope: Engineering survey, topographic mapping.

Remarks: Deprecated due to error in source geogCRS.

Area of use: Canada - Prince Edward Island.

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

Center coordinates
385027.83 716089.38

Projected bounds:
284366.83 651025.88
inf inf

WGS84 bounds:
-64.49 45.9
-61.9 47.09

Canada - Prince Edward Island.
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Definition: OGC Well Known Text

PROJCS["NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)",
    GEOGCS["ATS77",
        DATUM["Average_Terrestrial_System_1977",
            SPHEROID["Average Terrestrial System 1977",6378135,298.257],
            EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4122"]],
    PROJECTION["Oblique_Stereographic"],
    PARAMETER["latitude_of_origin",47.25],
    PARAMETER["central_meridian",-63],
    PARAMETER["scale_factor",0.999912],
    PARAMETER["false_easting",400000],
    PARAMETER["false_northing",800000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2291"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)",
    BASEGEOGCRS["ATS77",
        DATUM["Average Terrestrial System 1977",
            ELLIPSOID["Average Terrestrial System 1977",6378135,298.257,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4122]],
    CONVERSION["Prince Edward Isl. Stereographic (NAD83)",
        METHOD["Oblique Stereographic",
            ID["EPSG",9809]],
        PARAMETER["Latitude of natural origin",47.25,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-63,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.999912,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",400000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",800000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["easting (E(X))",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (N(Y))",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Canada - Prince Edward Island."],
        BBOX[45.9,-64.49,47.09,-61.9]],
    ID["EPSG",2291]]

Definition: ESRI Well Known Text

PROJCS["NAD_1983_CSRS_Prince_Edward_Island",
    GEOGCS["GCS_ATS_1977",
        DATUM["D_ATS_1977",
            SPHEROID["ATS_1977",6378135.0,298.257],
            EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Double_Stereographic"],
    PARAMETER["False_Easting",400000.0],
    PARAMETER["False_Northing",800000.0],
    PARAMETER["Central_Meridian",-63.0],
    PARAMETER["Scale_Factor",0.999912],
    PARAMETER["Latitude_Of_Origin",47.25],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=400000 +y_0=800000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.gsb +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2291","+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=400000 +y_0=800000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.gsb +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)",
    "base_crs": {
        "name": "ATS77",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Average Terrestrial System 1977",
            "ellipsoid": {
                "name": "Average Terrestrial System 1977",
                "semi_major_axis": 6378135,
                "inverse_flattening": 298.257
            }
        },
        "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": 4122
        }
    },
    "conversion": {
        "name": "Prince Edward Isl. Stereographic (NAD83)",
        "method": {
            "name": "Oblique Stereographic",
            "id": {
                "authority": "EPSG",
                "code": 9809
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 47.25,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -63,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.999912,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 400000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 800000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E(X)",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "N(Y)",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Canada - Prince Edward Island.",
    "bbox": {
        "south_latitude": 45.9,
        "west_longitude": -64.49,
        "north_latitude": 47.09,
        "east_longitude": -61.9
    },
    "id": {
        "authority": "EPSG",
        "code": 2291
    }
}

Definition: GeoServer

2291=PROJCS["NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)",GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4122"]],PROJECTION["Oblique_Stereographic"],PARAMETER["latitude_of_origin",47.25],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.999912],PARAMETER["false_easting",400000],PARAMETER["false_northing",800000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2291"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=sterea"
	"lat_0=47.25"
	"lon_0=-63"
	"k=0.999912"
	"x_0=400000"
	"y_0=800000"
	"a=6378135"
	"rf=298.257"
	"nadgrids=PE7783V2.gsb"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=400000 +y_0=800000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.gsb +units=m +no_defs +type=crs">
	<Layer srs="+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=400000 +y_0=800000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.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 ( 2291, 'EPSG', 2291, '+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=400000 +y_0=800000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.gsb +units=m +no_defs +type=crs', 'PROJCS["NAD83(CSRS98) / Prince Edward Isl. Stereographic (NAD83)",GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4122"]],PROJECTION["Oblique_Stereographic"],PARAMETER["latitude_of_origin",47.25],PARAMETER["central_meridian",-63],PARAMETER["scale_factor",0.999912],PARAMETER["false_easting",400000],PARAMETER["false_northing",800000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2291"]]');