EPSG:4229

Egypt 1907

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Remarks: Used by Shell. May be implemented as a single transformation using position vector 7-parameter geocentric transformation method with parameter values dX=-121.8m dY=+98.1m dZ=-10.7m rX=rY=0 sec rZ=+0.554 sec dS=+0.2263 ppm.

Information source: Maridive

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Egypt 1907

Datum: Egypt 1907

Ellipsoid: Helmert 1906

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2004-01-06

Scope: Geodesy.

Area of use: Egypt - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
31.3 27.85

WGS84 bounds:
24.7 21.89
37.91 33.82

Egypt - onshore and offshore.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                GEOGCRS["Egypt 1907",
                    DATUM["Egypt 1907",
                        ELLIPSOID["Helmert 1906",6378200,298.3,
                            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",4229]]],
            TARGETCRS[
                GEOGCRS["WGS 72",
                    DYNAMIC[
                        FRAMEEPOCH[1972]],
                    DATUM["World Geodetic System 1972",
                        ELLIPSOID["WGS 72",6378135,298.26,
                            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",4322]]],
            ABRIDGEDTRANSFORMATION["Egypt 1907 to WGS 72 (1)",
                METHOD["Geocentric translations (geog2D domain)",
                    ID["EPSG",9603]],
                PARAMETER["X-axis translation",-121.8,
                    ID["EPSG",8605]],
                PARAMETER["Y-axis translation",98.1,
                    ID["EPSG",8606]],
                PARAMETER["Z-axis translation",-15.2,
                    ID["EPSG",8607]],
                ID["EPSG",1545]]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            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["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["WGS 72 to WGS 84 (1)",
        METHOD["Position Vector transformation (geog2D domain)",
            ID["EPSG",9606]],
        PARAMETER["X-axis translation",0,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",0,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",4.5,
            ID["EPSG",8607]],
        PARAMETER["X-axis rotation",0,
            ID["EPSG",8608]],
        PARAMETER["Y-axis rotation",0,
            ID["EPSG",8609]],
        PARAMETER["Z-axis rotation",0.554,
            ID["EPSG",8610]],
        PARAMETER["Scale difference",1.0000002263,
            ID["EPSG",8611]],
        USAGE[
            SCOPE["Geodesy."],
            AREA["World."],
            BBOX[-90,-180,90,180]],
        ID["EPSG",1237]]]

Definition: PROJ.4

+proj=longlat +ellps=helmert +towgs84=0,0,4.5,0,0,0.554,0.2263 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4229","+proj=longlat +ellps=helmert +towgs84=0,0,4.5,0,0,0.554,0.2263 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "Egypt 1907",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Egypt 1907",
                "ellipsoid": {
                    "name": "Helmert 1906",
                    "semi_major_axis": 6378200,
                    "inverse_flattening": 298.3
                }
            },
            "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": 4229
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "WGS 72",
            "datum": {
                "type": "DynamicGeodeticReferenceFrame",
                "name": "World Geodetic System 1972",
                "frame_reference_epoch": 1972,
                "ellipsoid": {
                    "name": "WGS 72",
                    "semi_major_axis": 6378135,
                    "inverse_flattening": 298.26
                }
            },
            "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": 4322
            }
        },
        "transformation": {
            "name": "Egypt 1907 to WGS 72 (1)",
            "method": {
                "name": "Geocentric translations (geog2D domain)",
                "id": {
                    "authority": "EPSG",
                    "code": 9603
                }
            },
            "parameters": [
                {
                    "name": "X-axis translation",
                    "value": -121.8,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8605
                    }
                },
                {
                    "name": "Y-axis translation",
                    "value": 98.1,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8606
                    }
                },
                {
                    "name": "Z-axis translation",
                    "value": -15.2,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8607
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1545
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "WGS 72 to WGS 84 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "WGS 72",
            "datum": {
                "type": "DynamicGeodeticReferenceFrame",
                "name": "World Geodetic System 1972",
                "frame_reference_epoch": 1972,
                "ellipsoid": {
                    "name": "WGS 72",
                    "semi_major_axis": 6378135,
                    "inverse_flattening": 298.26
                }
            },
            "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": 4322
            }
        },
        "method": {
            "name": "Position Vector transformation (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9606
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 4.5,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": 0,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": 0.554,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": 0.2263,
                "unit": {
                    "type": "ScaleUnit",
                    "name": "parts per million",
                    "conversion_factor": 1e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8611
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1237
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=helmert"
	"towgs84=0,0,4.5,0,0,0.554,0.2263"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=helmert +towgs84=0,0,4.5,0,0,0.554,0.2263 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=helmert +towgs84=0,0,4.5,0,0,0.554,0.2263 +no_defs +type=crs">
	</Layer>
</Map>