EPSG:2241

NAD83 / Idaho East (ftUS)

Selected transformation

Method: NTv2

Grid Files: BC_93_98.GSB

Remarks: Derived through NAD83(CSRS)v2. Replaced by NAD83 to NAD83(CSRS) (7) (CT code 9117) for CRD, NAD83 to NAD83(CSRS) (8) (CT code 9118) for north Vancouver Island and NAD83 to NAD83(CSRS) (9) (CT code 9119) for mainland.

Information source: GeoBC, Government of British Columbia, via ISO Geodetic Register.

Revision date: 2019-07-15

Attributes

Unit: US survey foot

Geodetic CRS: NAD83

Datum: North American Datum 1983

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geodetic Survey http://www.ngs.noaa.gov/INFO/Policy/st_plane.html

Revision date: 2001-11-06

Scope: Engineering survey, topographic mapping.

Remarks: State law defines system in US survey feet. Federal definition is metric - see code 26968. For applications with an accuracy of better than 3 feet, replaced by NAD83(HARN) / SPCS.

Area of use: United States (USA) - Idaho - counties of Bannock; Bear Lake; Bingham; Bonneville; Caribou; Clark; Franklin; Fremont; Jefferson; Madison; Oneida; Power; Teton.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.

Center coordinates
-2420180.27 4862180.8

Projected bounds:
-5855550.71 2405980.23
306048.45 7701647.24

WGS84 bounds:
-139.04 48.25
-114.08 60.01

Canada - British Columbia.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["NAD83 / Idaho East (ftUS)",
            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["SPCS83 Idaho East zone (US survey foot)",
                METHOD["Transverse Mercator",
                    ID["EPSG",9807]],
                PARAMETER["Latitude of natural origin",41.6666666666667,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8801]],
                PARAMETER["Longitude of natural origin",-112.166666666667,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8802]],
                PARAMETER["Scale factor at natural origin",0.999947368,
                    SCALEUNIT["unity",1],
                    ID["EPSG",8805]],
                PARAMETER["False easting",656166.667,
                    LENGTHUNIT["US survey foot",0.304800609601219],
                    ID["EPSG",8806]],
                PARAMETER["False northing",0,
                    LENGTHUNIT["US survey foot",0.304800609601219],
                    ID["EPSG",8807]]],
            CS[Cartesian,2],
                AXIS["easting (X)",east,
                    ORDER[1],
                    LENGTHUNIT["US survey foot",0.304800609601219]],
                AXIS["northing (Y)",north,
                    ORDER[2],
                    LENGTHUNIT["US survey foot",0.304800609601219]],
            USAGE[
                SCOPE["Engineering survey, topographic mapping."],
                AREA["United States (USA) - Idaho - counties of Bannock; Bear Lake; Bingham; Bonneville; Caribou; Clark; Franklin; Fremont; Jefferson; Madison; Oneida; Power; Teton."],
                BBOX[41.99,-113.24,44.75,-111.04]],
            ID["EPSG",2241]]],
    TARGETCRS[
        GEOGCRS["NAD83(CSRS)v2",
            DATUM["North American Datum of 1983 (CSRS) version 2",
                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",8237]]],
    ABRIDGEDTRANSFORMATION["NAD83 to NAD83(CSRS)v2 (6)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","BC_93_98.GSB"],
        USAGE[
            SCOPE["Geodesy."],
            AREA["Canada - British Columbia."],
            BBOX[48.25,-139.04,60.01,-114.08]],
        ID["EPSG",9116],
        REMARK["Derived through NAD83(CSRS)v2. Replaced by NAD83 to NAD83(CSRS) (7) (CT code 9117) for CRD, NAD83 to NAD83(CSRS) (8) (CT code 9118) for north Vancouver Island and NAD83 to NAD83(CSRS) (9) (CT code 9119) for mainland."]]]

Definition: PROJ.4

+proj=tmerc +lat_0=41.6666666666667 +lon_0=-112.166666666667 +k=0.999947368 +x_0=200000.0001016 +y_0=0 +datum=NAD83 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2241","+proj=tmerc +lat_0=41.6666666666667 +lon_0=-112.166666666667 +k=0.999947368 +x_0=200000.0001016 +y_0=0 +datum=NAD83 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "NAD83 / Idaho East (ftUS)",
        "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": "SPCS83 Idaho East zone (US survey foot)",
            "method": {
                "name": "Transverse Mercator",
                "id": {
                    "authority": "EPSG",
                    "code": 9807
                }
            },
            "parameters": [
                {
                    "name": "Latitude of natural origin",
                    "value": 41.6666666666667,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8801
                    }
                },
                {
                    "name": "Longitude of natural origin",
                    "value": -112.166666666667,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8802
                    }
                },
                {
                    "name": "Scale factor at natural origin",
                    "value": 0.999947368,
                    "unit": "unity",
                    "id": {
                        "authority": "EPSG",
                        "code": 8805
                    }
                },
                {
                    "name": "False easting",
                    "value": 656166.667,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8806
                    }
                },
                {
                    "name": "False northing",
                    "value": 0,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8807
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Easting",
                    "abbreviation": "X",
                    "direction": "east",
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    }
                },
                {
                    "name": "Northing",
                    "abbreviation": "Y",
                    "direction": "north",
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    }
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 2241
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(CSRS)v2",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum of 1983 (CSRS) version 2",
            "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": 8237
        }
    },
    "transformation": {
        "name": "NAD83 to NAD83(CSRS)v2 (6)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "BC_93_98.GSB",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9116
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=41.6666666666667"
	"lon_0=-112.166666666667"
	"k=0.999947368"
	"x_0=200000.0001016"
	"y_0=0"
	"datum=NAD83"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=41.6666666666667 +lon_0=-112.166666666667 +k=0.999947368 +x_0=200000.0001016 +y_0=0 +datum=NAD83 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=41.6666666666667 +lon_0=-112.166666666667 +k=0.999947368 +x_0=200000.0001016 +y_0=0 +datum=NAD83 +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>