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
Unit: metre
Geodetic CRS: ATS77
Datum: Average Terrestrial System 1977
Ellipsoid: Average Terrestrial System 1977
Prime meridian: Greenwich
Data source: EPSG
Information source: Geomatics Centre; Nova Scotia Ministry of Housing and Municipal Affairs.
Revision date: 1997-11-13
Scope: Engineering survey, topographic mapping.
Remarks: In use from 1979. To be phased out in late 1990's.
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
685027.83 316089.38
Projected bounds:
584366.83 251025.88
inf inf
WGS84 bounds:
-64.49 45.9
-61.9 47.09
Definition: Well Known Text (WKT)
PROJCS["ATS77 / Prince Edward Isl. Stereographic (ATS77)", GEOGCS["ATS77", DATUM["Average_Terrestrial_System_1977", SPHEROID["Average Terrestrial System 1977",6378135,298.257], EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]], PRIMEM["Greenwich",0], 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",700000], PARAMETER["false_northing",400000], UNIT["metre",1], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","2290"]]
Definition: ESRI WKT
PROJCS["Prince_Edward_Island_Stereographic",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",700000.0],PARAMETER["False_Northing",400000.0],PARAMETER["Central_Meridian",-63.0],PARAMETER["Scale_Factor",0.999912],PARAMETER["Latitude_Of_Origin",47.25],UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "ATS77 / Prince Edward Isl. Stereographic (ATS77)", "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 Island Stereographic (ATS77)", "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": 700000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 400000, "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" } ] }, "id": { "authority": "EPSG", "code": 2290 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)" }, { "name": "World Geodetic System 1984 (G730)" }, { "name": "World Geodetic System 1984 (G873)" }, { "name": "World Geodetic System 1984 (G1150)" }, { "name": "World Geodetic System 1984 (G1674)" }, { "name": "World Geodetic System 1984 (G1762)" }, { "name": "World Geodetic System 1984 (G2139)" } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0" }, "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": 4326 } }, "transformation": { "name": "ATS77 to WGS 84 (2)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "PE7783V2.gsb" } ], "id": { "authority": "EPSG", "code": 1689 } } }
Definition: GeoServer
2290=PROJCS["ATS77 / Prince Edward Isl. Stereographic (ATS77)",GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0],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",700000],PARAMETER["false_northing",400000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2290"]]
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=700000 +y_0=400000 +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=700000 +y_0=400000 +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 ( 2290, 'EPSG', 2290, '+proj=sterea +lat_0=47.25 +lon_0=-63 +k=0.999912 +x_0=700000 +y_0=400000 +a=6378135 +rf=298.257 +nadgrids=PE7783V2.gsb +units=m +no_defs +type=crs', 'PROJCS["ATS77 / Prince Edward Isl. Stereographic (ATS77)",GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0],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",700000],PARAMETER["false_northing",400000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2290"]]');
Definition: OGC WKT
PROJCS["ATS77 / Prince Edward Isl. Stereographic (ATS77)",GEOGCS["ATS77",DATUM["Average_Terrestrial_System_1977",SPHEROID["Average Terrestrial System 1977",6378135,298.257],EXTENSION["PROJ4_GRIDS","PE7783V2.gsb"]],PRIMEM["Greenwich",0],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",700000],PARAMETER["false_northing",400000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2290"]]
Definition: OGC WKT 2 (2019)
BOUNDCRS[SOURCECRS[PROJCRS["ATS77 / Prince Edward Isl. Stereographic (ATS77)",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 Island Stereographic (ATS77)",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",700000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",400000,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",2290]]],TARGETCRS[GEOGCRS["WGS 84",ENSEMBLE["World Geodetic System 1984 ensemble",MEMBER["World Geodetic System 1984 (Transit)"],MEMBER["World Geodetic System 1984 (G730)"],MEMBER["World Geodetic System 1984 (G873)"],MEMBER["World Geodetic System 1984 (G1150)"],MEMBER["World Geodetic System 1984 (G1674)"],MEMBER["World Geodetic System 1984 (G1762)"],MEMBER["World Geodetic System 1984 (G2139)"],ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]],ENSEMBLEACCURACY[2.0]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Horizontal component of 3D system."],AREA["World."],BBOX[-90,-180,90,180]],ID["EPSG",4326]]],ABRIDGEDTRANSFORMATION["ATS77 to WGS 84 (2)",METHOD["NTv2",ID["EPSG",9615]],PARAMETERFILE["Latitude and longitude difference file","PE7783V2.gsb"],USAGE[SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."],AREA["Canada - Prince Edward Island."],BBOX[45.9,-64.49,47.09,-61.9]],ID["EPSG",1689],REMARK["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."]]]