EPSG:1276

NTF to ED50 (1)

Attributes

Geodetic CRS: NTF

Datum: Nouvelle Triangulation Francaise

Ellipsoid: Clarke 1880 (IGN)

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN technical report 7 (October 1981).

Revision date: 2010-03-30

Scope: Transformation of coordinates at 2m level of accuracy.

Method: Geocentric translations (geog2D domain)

Area of use: France - onshore - mainland and Corsica.

Description: (0,)

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Definition: PROJ.4

+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:1276","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Transformation",
    "name": "NTF to ED50 (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "NTF",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Nouvelle Triangulation Francaise",
            "ellipsoid": {
                "name": "Clarke 1880 (IGN)",
                "semi_major_axis": 6378249.2,
                "semi_minor_axis": 6356515
            }
        },
        "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": 4275
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "ED50",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "European Datum 1950",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            }
        },
        "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": 4230
        }
    },
    "method": {
        "name": "Geocentric translations (geog2D domain)",
        "id": {
            "authority": "EPSG",
            "code": 9603
        }
    },
    "parameters": [
        {
            "name": "X-axis translation",
            "value": -84,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8605
            }
        },
        {
            "name": "Y-axis translation",
            "value": 37,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8606
            }
        },
        {
            "name": "Z-axis translation",
            "value": 437,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8607
            }
        }
    ],
    "accuracy": "2.0",
    "scope": "Transformation of coordinates at 2m level of accuracy.",
    "area": "France - onshore - mainland and Corsica.",
    "bbox": {
        "south_latitude": 41.31,
        "west_longitude": -4.87,
        "north_latitude": 51.14,
        "east_longitude": 9.63
    },
    "id": {
        "authority": "EPSG",
        "code": 1276
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=axisswap"
	"order=2,1"
	"step"
	"proj=unitconvert"
	"xy_in=deg"
	"xy_out=rad"
	"step"
	"proj=push"
	"v_3"
	"step"
	"proj=cart"
	"ellps=clrk80ign"
	"step"
	"proj=helmert"
	"x=-84"
	"y=37"
	"z=437"
	"step"
	"inv"
	"proj=cart"
	"ellps=intl"
	"step"
	"proj=pop"
	"v_3"
	"step"
	"proj=unitconvert"
	"xy_in=rad"
	"xy_out=deg"
	"step"
	"proj=axisswap"
	"order=2,1"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 1276, 'EPSG', 1276, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');

Definition: OGC WKT 2 (2019)

COORDINATEOPERATION["NTF to ED50 (1)",VERSION["IGN-Fra"],SOURCECRS[GEOGCRS["NTF",DATUM["Nouvelle Triangulation Francaise",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,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]],ID["EPSG",4275]]],TARGETCRS[GEOGCRS["ED50",DATUM["European Datum 1950",ELLIPSOID["International 1924",6378388,297,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]],ID["EPSG",4230]]],METHOD["Geocentric translations (geog2D domain)",ID["EPSG",9603]],PARAMETER["X-axis translation",-84,LENGTHUNIT["metre",1],ID["EPSG",8605]],PARAMETER["Y-axis translation",37,LENGTHUNIT["metre",1],ID["EPSG",8606]],PARAMETER["Z-axis translation",437,LENGTHUNIT["metre",1],ID["EPSG",8607]],OPERATIONACCURACY[2.0],USAGE[SCOPE["Transformation of coordinates at 2m level of accuracy."],AREA["France - onshore - mainland and Corsica."],BBOX[41.31,-4.87,51.14,9.63]],ID["EPSG",1276]]