EPSG:4229

Egypt 1907

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EPSG:4326 - WGS 84

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Name: Egypt 1907 to WGS 84 (4)

Method: Molodensky-Badekas (CF geog2D domain)

Remarks: Derived at 30 stations throughout Egypt 1907 network. Accuracy determined at 15 stations 0.7m in each axis. Unified transformation for whole country.

Information source: Survey Research Institute Egypt in Proceedings of the ASPRS 2006 Annual Conference.

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

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Center coordinates
31.31 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

GEOGCS["Egypt 1907",
    DATUM["Egypt_1907",
        SPHEROID["Helmert 1906",6378200,298.3],
        TOWGS84[-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4229"]]

Definition: OGC Well Known Text 2 (2019)

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]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Egypt - onshore and offshore."],
        BBOX[21.89,24.7,33.82,37.91]],
    ID["EPSG",4229]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Egypt_1907",
    DATUM["D_Egypt_1907",
        SPHEROID["Helmert_1906",6378200.0,298.3]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=helmert +towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4229","+proj=longlat +ellps=helmert +towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "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"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Egypt - onshore and offshore.",
    "bbox": {
        "south_latitude": 21.89,
        "west_longitude": 24.7,
        "north_latitude": 33.82,
        "east_longitude": 37.91
    },
    "id": {
        "authority": "EPSG",
        "code": 4229
    }
}

Definition: GeoServer

4229=GEOGCS["Egypt 1907",DATUM["Egypt_1907",SPHEROID["Helmert 1906",6378200,298.3],TOWGS84[-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4229"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=helmert"
	"towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=helmert +towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=helmert +towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4229, 'EPSG', 4229, '+proj=longlat +ellps=helmert +towgs84=-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745 +no_defs +type=crs', 'GEOGCS["Egypt 1907",DATUM["Egypt_1907",SPHEROID["Helmert 1906",6378200,298.3],TOWGS84[-127.535,113.495,-12.7,1.603747,-0.153612,-5.364408,5.33745]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4229"]]');