Geocentric translations (geog2D domain)
For many purposes NAD83(2011) can be considered to be coincident with WGS 84. This approximation ignores the ~2.2m offset of NAD83 from the geocentre, the low accuracy of the WGS 84 ensemble and the application of tectonic plate motion to WGS 84 data.
IOGP
2021-09-08
foot
NAD83 (National Spatial Reference System 2011)
EPSG
Oregon Department of Transportation.
2014-11-19
Engineering survey.
State law defines use of International feet (note: not US survey feet). See NAD83(2011) / Oregon Columbia River West (m) (CRS code 6810) for metric equivalent. Replaces NAD83(CORS96) / Oregon Columbia River West (ft) (CRS code 6809) from 2013-03-08.
United States (USA) - Oregon - Columbia River area west of approximately 121°30'W.
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ft.
-774964.23 250129.78
-24129898.47 -11193160.95
21232054.25 14667423.27
167.65 14.92
-63.88 74.71
Definition: OGC Well Known Text
PROJCS["NAD83(2011) / Oregon Columbia River West zone (ft)", GEOGCS["NAD83(2011)", DATUM["NAD83_National_Spatial_Reference_System_2011", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","6318"]], PROJECTION["Hotine_Oblique_Mercator"], PARAMETER["latitude_of_center",45.9166666666667], PARAMETER["longitude_of_center",-123], PARAMETER["azimuth",295], PARAMETER["rectified_grid_angle",295], PARAMETER["scale_factor",1], PARAMETER["false_easting",22965879.2651], PARAMETER["false_northing",-9842519.685], UNIT["foot",0.3048], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","6811"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83(2011) / Oregon Columbia River West zone (ft)", BASEGEOGCRS["NAD83(2011)", DATUM["NAD83 (National Spatial Reference System 2011)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6318]], CONVERSION["Oregon Columbia River West zone (international foot)", METHOD["Hotine Oblique Mercator (variant A)", ID["EPSG",9812]], PARAMETER["Latitude of projection centre",45.9166666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8811]], PARAMETER["Longitude of projection centre",-123, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8812]], PARAMETER["Azimuth of initial line",295, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8813]], PARAMETER["Angle from Rectified to Skew Grid",295, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8814]], PARAMETER["Scale factor on initial line",1, SCALEUNIT["unity",1], ID["EPSG",8815]], PARAMETER["False easting",22965879.2651, LENGTHUNIT["foot",0.3048], ID["EPSG",8806]], PARAMETER["False northing",-9842519.685, LENGTHUNIT["foot",0.3048], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["foot",0.3048]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["foot",0.3048]], USAGE[ SCOPE["Engineering survey."], AREA["United States (USA) - Oregon - Columbia River area west of approximately 121°30'W."], BBOX[45.17,-124.33,46.56,-121.47]], ID["EPSG",6811]]
Definition: ESRI Well Known Text
PROJCS["OCRS_Columbia_River_West_NAD_1983_2011_OM_Feet_Intl", GEOGCS["GCS_NAD_1983_2011", DATUM["D_NAD_1983_2011", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"], PARAMETER["False_Easting",22965879.2651], PARAMETER["False_Northing",-9842519.685], PARAMETER["Scale_Factor",1.0], PARAMETER["Azimuth",-65.0], PARAMETER["Longitude_Of_Center",-123.0], PARAMETER["Latitude_Of_Center",45.9166666666667], UNIT["foot",0.3048]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83(2011) / Oregon Columbia River West zone (ft)", "base_crs": { "name": "NAD83(2011)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2011)", "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": 6318 } }, "conversion": { "name": "Oregon Columbia River West zone (international foot)", "method": { "name": "Hotine Oblique Mercator (variant A)", "id": { "authority": "EPSG", "code": 9812 } }, "parameters": [ { "name": "Latitude of projection centre", "value": 45.9166666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8811 } }, { "name": "Longitude of projection centre", "value": -123, "unit": "degree", "id": { "authority": "EPSG", "code": 8812 } }, { "name": "Azimuth of initial line", "value": 295, "unit": "degree", "id": { "authority": "EPSG", "code": 8813 } }, { "name": "Angle from Rectified to Skew Grid", "value": 295, "unit": "degree", "id": { "authority": "EPSG", "code": 8814 } }, { "name": "Scale factor on initial line", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8815 } }, { "name": "False easting", "value": 22965879.2651, "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": -9842519.685, "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 } }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": { "type": "LinearUnit", "name": "foot", "conversion_factor": 0.3048 } } ] }, "scope": "Engineering survey.", "area": "United States (USA) - Oregon - Columbia River area west of approximately 121°30'W.", "bbox": { "south_latitude": 45.17, "west_longitude": -124.33, "north_latitude": 46.56, "east_longitude": -121.47 }, "id": { "authority": "EPSG", "code": 6811 } }
Definition: GeoServer
6811=PROJCS["NAD83(2011) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6811"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs +type=crs"> <Layer srs="+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6811, 'EPSG', 6811, '+proj=omerc +no_uoff +lat_0=45.9166666666667 +lonc=-123 +alpha=295 +gamma=295 +k=1 +x_0=7000000.00000248 +y_0=-2999999.999988 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs +type=crs', 'PROJCS["NAD83(2011) / Oregon Columbia River West zone (ft)",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.9166666666667],PARAMETER["longitude_of_center",-123],PARAMETER["azimuth",295],PARAMETER["rectified_grid_angle",295],PARAMETER["scale_factor",1],PARAMETER["false_easting",22965879.2651],PARAMETER["false_northing",-9842519.685],UNIT["foot",0.3048],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6811"]]');