EPSG:2136 — Accra / Ghana National Grid

Projekte · Ghana - onshore

Tanım Formatları

OGC WKT

PROJCS[
    "Accra / Ghana National Grid",
    GEOGCS[
        "Accra",
        DATUM[
            "Accra",
            SPHEROID["War Office",6378300,296],
            TOWGS84[-199,32,322,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4168"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",4.66666666666667],
    PARAMETER["central_meridian",-1],
    PARAMETER["scale_factor",0.99975],
    PARAMETER["false_easting",900000],
    PARAMETER["false_northing",0],
    UNIT["Gold Coast foot",0.304799710181509],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2136"]
]

WKT2

PROJCRS[
    "Accra / Ghana National Grid",
    BASEGEOGCRS[
        "Accra",
        DATUM[
            "Accra",
            ELLIPSOID[
                "War Office",
                6378300,
                296,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7029]
            ],
            ID["EPSG",6168]
        ],
        ID["EPSG",4168]
    ],
    CONVERSION[
        "Ghana National Grid",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            4.66666666666695,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -1,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.99975,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            900000,
            LENGTHUNIT["Gold Coast foot",0.304799710181509,ID["EPSG",9094]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["Gold Coast foot",0.304799710181509,ID["EPSG",9094]],
            ID["EPSG",8807]
        ],
        ID["EPSG",19959]
    ],
    CS[Cartesian,2,ID["EPSG",4404]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["Gold Coast foot",0.304799710181509,ID["EPSG",9094]],
    ID["EPSG",2136]
]

PROJ.4

+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:2136", "+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 2136,
  "name": "Accra / Ghana National Grid",
  "kind": "projected",
  "area": "Ghana - onshore",
  "unit": "Gold Coast foot",
  "bbox": [
    4.67,
    -3.25,
    11.16,
    1.23
  ],
  "proj4": "+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs"
}

PostGIS

PostGIS'a nasıl projeksiyon eklerim? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (2136, 'EPSG', 2136, '+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs', 'PROJCS["Accra / Ghana National Grid",GEOGCS["Accra",DATUM["Accra",SPHEROID["War Office",6378300,296],TOWGS84[-199,32,322,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4168"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.66666666666667],PARAMETER["central_meridian",-1],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",900000],PARAMETER["false_northing",0],UNIT["Gold Coast foot",0.304799710181509],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2136"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=4.66666666666667"
  "+lon_0=-1"
  "+k=0.99975"
  "+x_0=274319.739163358"
  "+y_0=0"
  "+a=6378300"
  "+rf=296"
  "+towgs84=-199,32,322,0,0,0,0"
  "+to_meter=0.304799710181509"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

2136=PROJCS["Accra / Ghana National Grid",GEOGCS["Accra",DATUM["Accra",SPHEROID["War Office",6378300,296],TOWGS84[-199,32,322,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4168"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.66666666666667],PARAMETER["central_meridian",-1],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",900000],PARAMETER["false_northing",0],UNIT["Gold Coast foot",0.304799710181509],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2136"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (5)

Dönüşümler temel CRS'den alınmıştır: EPSG:4168 (Accra)

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
Accra to WGS 84 (4)	4168 → 4326	6
Accra to WGS 84 (1)	4168 → 4326	25
Accra to WGS 72BE (1)	4168 → 4324	25
Accra to WGS 84 (3)	4168 → 4326	25
Accra to WGS 84 (2)	4168 → 4326	26

Accra Kullanan Diğer CRS

Sıkça Sorulan Sorular

EPSG:2136 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

2136=PROJCS["Accra / Ghana National Grid",GEOGCS["Accra",DATUM["Accra",SPHEROID["War Office",6378300,296],TOWGS84[-199,32,322,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4168"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.66666666666667],PARAMETER["central_meridian",-1],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",900000],PARAMETER["false_northing",0],UNIT["Gold Coast foot",0.304799710181509],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2136"]]

GeoServer rehberinin tamamını okuyun →

EPSG:2136 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (2136, 'EPSG', 2136, '+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs', 'PROJCS["Accra / Ghana National Grid",GEOGCS["Accra",DATUM["Accra",SPHEROID["War Office",6378300,296],TOWGS84[-199,32,322,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4168"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",4.66666666666667],PARAMETER["central_meridian",-1],PARAMETER["scale_factor",0.99975],PARAMETER["false_easting",900000],PARAMETER["false_northing",0],UNIT["Gold Coast foot",0.304799710181509],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2136"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:2136 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=tmerc"
  "+lat_0=4.66666666666667"
  "+lon_0=-1"
  "+k=0.99975"
  "+x_0=274319.739163358"
  "+y_0=0"
  "+a=6378300"
  "+rf=296"
  "+towgs84=-199,32,322,0,0,0,0"
  "+to_meter=0.304799710181509"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:2136 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:2136", "+proj=tmerc +lat_0=4.66666666666667 +lon_0=-1 +k=0.99975 +x_0=274319.739163358 +y_0=0 +a=6378300 +rf=296 +towgs84=-199,32,322,0,0,0,0 +to_meter=0.304799710181509 +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

Gold Coast foot

Geodetik CRS

Accra

Datum

Accra

Elipsoid

War Office

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

Ghana - onshore

Ghana - onshore.

Koordinat Sistemi

Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: ftGC.

Merkez Koordinatları

896289.69 1177251.16

Projekte Sınırlar

2357508.39 80864.351699041.57 1498.93

WGS84 Sınırları

11.16 -3.251.23 4.67

Veri Kaynağı

EPSG

Bilgi Kaynağı

Ordnance Survey International

Revizyon Tarihi

2023-11-19

Kapsam

Engineering survey, topographic mapping.

Açıklamalar

Ellipsoid semi-major axis (a)=20926201 Gold Coast feet. ProjCRS sometimes found in metric form: 1 Gold Coast foot = 0.3047997101815 m. Replaced by Leigon / Ghana Metric Grid from 1978.

EPSG

2136