PE7783V2.gsb
Can be taken as an approximate transformation ATS77 to WGS 84 - see code 1689.
PEI Department of Transportation & Public Works
2002-07-13
metre
Average Terrestrial System 1977
Average Terrestrial System 1977
EPSG
Geomatics Centre; Nova Scotia Ministry of Housing and Municipal Affairs.
1997-11-13
Engineering survey, topographic mapping.
In use from 1979. To be phased out in late 1990's.
Canada - Prince Edward Island.
Cartesian 2D CS. Axes: easting, northing [E(X),N(Y)]. Orientations: east, north. UoM: m.
Definition: OGC Well Known Text 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["NAD83(CSRS)", DATUM["NAD83 Canadian Spatial Reference System", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], 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["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."], BBOX[38.21,-141.01,86.46,-40.73]], ID["EPSG",4617]]], ABRIDGEDTRANSFORMATION["ATS77 to NAD83(CSRS) (2)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","PE7783V2.gsb"], USAGE[ SCOPE["Transformation of coordinates at 1m to 2m level of accuracy."], AREA["Canada - Prince Edward Island."], BBOX[45.9,-64.49,47.09,-61.9]], ID["EPSG",1846], REMARK["Can be taken as an approximate transformation ATS77 to WGS 84 - see code 1689."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/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": "NAD83(CSRS)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 Canadian Spatial Reference System", "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": 4617 } }, "transformation": { "name": "ATS77 to NAD83(CSRS) (2)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "PE7783V2.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 1846 } } }
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 +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 +units=m +no_defs +type=crs"> </Layer> </Map>