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Method: Geocentric translations (geog2D domain)
Remarks: Derived at 354 stations. Accuracy 2m in each axis.
Information source: U.S. Defense Mapping Agency TR8350.2 revision of August 1993.
Revision date: 2020-03-14
Unit: metre
Geodetic CRS: NAD83
Datum: North American Datum 1983
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Ontario Ministry of Natural Resources via Conservation Ontario.
Revision date: 2008-03-14
Scope: Province-wide spatial data management.
Remarks: Replaces NAD27 / Ontario MNR Lambert. One of a number of similar projected CRSs used by Ontario MNR.
Area of use: Canada - Ontario.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=23.81,-172.54|86.46,-172.54|86.46,-47.74|23.81,-47.74|23.81,-172.54)
Center coordinates
-648571.71 13432336.73
Projected bounds:
-6755183.7 14618822.67
1327334.99 17276018.59
WGS84 bounds:
-172.54 23.81
-47.74 86.46
Definition: Well Known Text (WKT)
PROJCS["NAD83 / Ontario MNR Lambert", GEOGCS["NAD83", DATUM["North_American_Datum_1983", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4269"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-85], PARAMETER["standard_parallel_1",44.5], PARAMETER["standard_parallel_2",53.5], PARAMETER["false_easting",930000], PARAMETER["false_northing",6430000], UNIT["metre",1], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","3161"]]
Definition: ESRI WKT
PROJCS["NAD_1983_Ontario_MNR_Lambert",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",930000.0],PARAMETER["False_Northing",6430000.0],PARAMETER["Central_Meridian",-85.0],PARAMETER["Standard_Parallel_1",44.5],PARAMETER["Standard_Parallel_2",53.5],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83 / Ontario MNR Lambert", "base_crs": { "name": "NAD83", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum 1983", "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": 4269 } }, "conversion": { "name": "Ontario MNR Lambert", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -85, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 44.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 53.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 930000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 6430000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Province-wide spatial data management.", "area": "Canada - Ontario.", "bbox": { "south_latitude": 41.67, "west_longitude": -95.16, "north_latitude": 56.9, "east_longitude": -74.35 }, "id": { "authority": "EPSG", "code": 3161 } }
Definition: GeoServer
3161=PROJCS["NAD83 / Ontario MNR Lambert",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-85],PARAMETER["standard_parallel_1",44.5],PARAMETER["standard_parallel_2",53.5],PARAMETER["false_easting",930000],PARAMETER["false_northing",6430000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3161"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=0 +lon_0=-85 +lat_1=44.5 +lat_2=53.5 +x_0=930000 +y_0=6430000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=0 +lon_0=-85 +lat_1=44.5 +lat_2=53.5 +x_0=930000 +y_0=6430000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3161, 'EPSG', 3161, '+proj=lcc +lat_0=0 +lon_0=-85 +lat_1=44.5 +lat_2=53.5 +x_0=930000 +y_0=6430000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83 / Ontario MNR Lambert",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-85],PARAMETER["standard_parallel_1",44.5],PARAMETER["standard_parallel_2",53.5],PARAMETER["false_easting",930000],PARAMETER["false_northing",6430000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3161"]]');
Definition: OGC WKT
PROJCS["NAD83 / Ontario MNR Lambert",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-85],PARAMETER["standard_parallel_1",44.5],PARAMETER["standard_parallel_2",53.5],PARAMETER["false_easting",930000],PARAMETER["false_northing",6430000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3161"]]
Definition: OGC WKT 2 (2019)
PROJCRS["NAD83 / Ontario MNR Lambert",BASEGEOGCRS["NAD83",DATUM["North American Datum 1983",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4269]],CONVERSION["Ontario MNR Lambert",METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude of false origin",-85,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude of 1st standard parallel",44.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude of 2nd standard parallel",53.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting at false origin",930000,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing at false origin",6430000,LENGTHUNIT["metre",1],ID["EPSG",8827]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Province-wide spatial data management."],AREA["Canada - Ontario."],BBOX[41.67,-95.16,56.9,-74.35]],ID["EPSG",3161]]
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