EPSG:3969

NAD83(HARN) / Virginia Lambert

Available transformations
to EPSG:4759
EPSG:4759 - NAD83(NSRS2007)

Selected transformation

Method: NADCON5 (3D)

Grid Files: nadcon5.nad83_1992.nad83_2007.alaska.lat.trn.20160901.b nadcon5.nad83_1992.nad83_2007.alaska.lon.trn.20160901.b

Remarks: Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.

Information source: National Geodetic Survey, www.ngs.noaa.gov

Revision date: 2019-11-11

Attributes

Unit: metre

Geodetic CRS: NAD83(HARN)

Datum: NAD83 (High Accuracy Reference Network)

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Virginia Information Technologies Agency; http://gisdata.virginia.gov/Portal/

Revision date: 2009-04-08

Scope: State-wide spatial data management.

Remarks: Replaces NAD83 / Virginia Lambert (CRS code 3968) for applications with an accuracy of better than 1m. Replaced by NAD83(NSRS2007) / Virginia Lambert (CRS code 3970).

Area of use: United States (USA) - Virginia.

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

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United States (USA) - Alaska including EEZ.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["NAD83(HARN) / Virginia Lambert",
            BASEGEOGCRS["NAD83(HARN)",
                DATUM["NAD83 (High Accuracy Reference Network)",
                    ELLIPSOID["GRS 1980",6378137,298.257222101,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Greenwich",0,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",4152]],
            CONVERSION["Virginia Lambert Conic Conformal",
                METHOD["Lambert Conic Conformal (2SP)",
                    ID["EPSG",9802]],
                PARAMETER["Latitude of false origin",36,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8821]],
                PARAMETER["Longitude of false origin",-79.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8822]],
                PARAMETER["Latitude of 1st standard parallel",37,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8823]],
                PARAMETER["Latitude of 2nd standard parallel",39.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8824]],
                PARAMETER["Easting at false origin",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8826]],
                PARAMETER["Northing at false origin",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8827]]],
            CS[Cartesian,2],
                AXIS["easting (X)",east,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["northing (Y)",north,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["State-wide spatial data management."],
                AREA["United States (USA) - Virginia."],
                BBOX[36.54,-83.68,39.46,-75.31]],
            ID["EPSG",3969]]],
    TARGETCRS[
        GEOGCRS["NAD83(NSRS2007)",
            DATUM["NAD83 (National Spatial Reference System 2007)",
                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["Puerto Rico - onshore and offshore. United States (USA) onshore and offshore - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Virgin Islands - onshore and offshore."],
                BBOX[14.92,167.65,74.71,-63.88]],
            ID["EPSG",4759]]],
    ABRIDGEDTRANSFORMATION["NAD83(HARN) to NAD83(NSRS2007) (2)",
        METHOD["NADCON5 (3D)",
            ID["EPSG",1075]],
        PARAMETERFILE["Latitude difference file","nadcon5.nad83_1992.nad83_2007.alaska.lat.trn.20160901.b"],
        PARAMETERFILE["Longitude difference file","nadcon5.nad83_1992.nad83_2007.alaska.lon.trn.20160901.b"],
        USAGE[
            SCOPE["Geodesy."],
            AREA["United States (USA) - Alaska including EEZ."],
            BBOX[47.88,167.65,74.71,-129.99]],
        ID["EPSG",8551],
        REMARK["Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."]]]

Definition: PROJ.4

+proj=lcc +lat_0=36 +lon_0=-79.5 +lat_1=37 +lat_2=39.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:3969","+proj=lcc +lat_0=36 +lon_0=-79.5 +lat_1=37 +lat_2=39.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "NAD83(HARN) / Virginia Lambert",
        "base_crs": {
            "name": "NAD83(HARN)",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "NAD83 (High Accuracy Reference Network)",
                "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": 4152
            }
        },
        "conversion": {
            "name": "Virginia Lambert Conic Conformal",
            "method": {
                "name": "Lambert Conic Conformal (2SP)",
                "id": {
                    "authority": "EPSG",
                    "code": 9802
                }
            },
            "parameters": [
                {
                    "name": "Latitude of false origin",
                    "value": 36,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8821
                    }
                },
                {
                    "name": "Longitude of false origin",
                    "value": -79.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8822
                    }
                },
                {
                    "name": "Latitude of 1st standard parallel",
                    "value": 37,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8823
                    }
                },
                {
                    "name": "Latitude of 2nd standard parallel",
                    "value": 39.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8824
                    }
                },
                {
                    "name": "Easting at false origin",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8826
                    }
                },
                {
                    "name": "Northing at false origin",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8827
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Easting",
                    "abbreviation": "X",
                    "direction": "east",
                    "unit": "metre"
                },
                {
                    "name": "Northing",
                    "abbreviation": "Y",
                    "direction": "north",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 3969
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(NSRS2007)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "NAD83 (National Spatial Reference System 2007)",
            "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": 4759
        }
    },
    "transformation": {
        "name": "NAD83(HARN) to NAD83(NSRS2007) (2)",
        "method": {
            "name": "NADCON5 (3D)",
            "id": {
                "authority": "EPSG",
                "code": 1075
            }
        },
        "parameters": [
            {
                "name": "Latitude difference file",
                "value": "nadcon5.nad83_1992.nad83_2007.alaska.lat.trn.20160901.b",
                "id": {
                    "authority": "EPSG",
                    "code": 8657
                }
            },
            {
                "name": "Longitude difference file",
                "value": "nadcon5.nad83_1992.nad83_2007.alaska.lon.trn.20160901.b",
                "id": {
                    "authority": "EPSG",
                    "code": 8658
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 8551
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=36"
	"lon_0=-79.5"
	"lat_1=37"
	"lat_2=39.5"
	"x_0=0"
	"y_0=0"
	"ellps=GRS80"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=36 +lon_0=-79.5 +lat_1=37 +lat_2=39.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=36 +lon_0=-79.5 +lat_1=37 +lat_2=39.5 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs">
	</Layer>
</Map>