EPSG:2157 — ETRS89-IRE [ETRF2000] / Irish Transverse Mercator

Projekte · Europe - Ireland (Republic and Ulster) - onshore

Tanım Formatları

OGC WKT

PROJCS[
    "IRENET95 / Irish Transverse Mercator",
    GEOGCS[
        "IRENET95",
        DATUM[
            "IRENET95",
            SPHEROID["GRS 1980",6378137,298.257222101],
            TOWGS84[0,0,0,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4173"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",53.5],
    PARAMETER["central_meridian",-8],
    PARAMETER["scale_factor",0.99982],
    PARAMETER["false_easting",600000],
    PARAMETER["false_northing",750000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2157"]
]

WKT2

PROJCRS[
    "ETRS89-IRE [ETRF2000] / Irish Transverse Mercator",
    BASEGEOGCRS[
        "ETRS89-IRE [ETRF2000]",
        DATUM[
            "ETRS89-IRE [ETRF2000]",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ANCHOREPOCH[2009.756],
            ID["EPSG",6173]
        ],
        ID["EPSG",4173]
    ],
    CONVERSION[
        "Irish Transverse Mercator",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            53.5000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -8,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.99982,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            600000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            750000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",19962]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",2157]
]

PROJ.4

+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:2157", "+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 2157,
  "name": "ETRS89-IRE [ETRF2000] / Irish Transverse Mercator",
  "kind": "projected",
  "area": "Europe - Ireland (Republic and Ulster) - onshore",
  "unit": "metre",
  "bbox": [
    51.39,
    -10.56,
    55.43,
    -5.34
  ],
  "proj4": "+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

PostGIS'a nasıl projeksiyon eklerim? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (2157, 'EPSG', 2157, '+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["IRENET95 / Irish Transverse Mercator",GEOGCS["IRENET95",DATUM["IRENET95",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4173"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.5],PARAMETER["central_meridian",-8],PARAMETER["scale_factor",0.99982],PARAMETER["false_easting",600000],PARAMETER["false_northing",750000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2157"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=53.5"
  "+lon_0=-8"
  "+k=0.99982"
  "+x_0=600000"
  "+y_0=750000"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

2157=PROJCS["IRENET95 / Irish Transverse Mercator",GEOGCS["IRENET95",DATUM["IRENET95",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4173"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.5],PARAMETER["central_meridian",-8],PARAMETER["scale_factor",0.99982],PARAMETER["false_easting",600000],PARAMETER["false_northing",750000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2157"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (3)

Dönüşümler temel CRS'den alınmıştır: EPSG:4173 (ETRS89-IRE [ETRF2000])

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
ETRS89-IRE [ETRF2000] to WGS 84 (1)	4173 → 4326	1
IRENET95 to ETRS89 (1) Kullanım dışı	4173 → 4258	0
IRENET95 to WGS 84 (1) Kullanım dışı	4173 → 4326	—

ETRS89-IRE [ETRF2000] Kullanan Diğer CRS

Sıkça Sorulan Sorular

EPSG:2157 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

2157=PROJCS["IRENET95 / Irish Transverse Mercator",GEOGCS["IRENET95",DATUM["IRENET95",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4173"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.5],PARAMETER["central_meridian",-8],PARAMETER["scale_factor",0.99982],PARAMETER["false_easting",600000],PARAMETER["false_northing",750000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2157"]]

GeoServer rehberinin tamamını okuyun →

EPSG:2157 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (2157, 'EPSG', 2157, '+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["IRENET95 / Irish Transverse Mercator",GEOGCS["IRENET95",DATUM["IRENET95",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4173"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",53.5],PARAMETER["central_meridian",-8],PARAMETER["scale_factor",0.99982],PARAMETER["false_easting",600000],PARAMETER["false_northing",750000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2157"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:2157 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=tmerc"
  "+lat_0=53.5"
  "+lon_0=-8"
  "+k=0.99982"
  "+x_0=600000"
  "+y_0=750000"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:2157 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:2157", "+proj=tmerc +lat_0=53.5 +lon_0=-8 +k=0.99982 +x_0=600000 +y_0=750000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

metre

Geodetik CRS

ETRS89-IRE [ETRF2000]

Datum

ETRS89-IRE [ETRF2000]

Elipsoid

GRS 1980

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

Europe - Ireland (Republic and Ulster) - onshore

Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

Koordinat Sistemi

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

Merkez Koordinatları

603324.38 739986.43

Projekte Sınırlar

968015.39 421849.81768347.28 518361.28

WGS84 Sınırları

55.43 -10.56-5.34 51.39

Veri Kaynağı

EPSG

Bilgi Kaynağı

Ordnance Survey of Ireland

Revizyon Tarihi

2025-11-12

Kapsam

Engineering survey, topographic mapping.

Açıklamalar

Replaces TM75 / Irish Grid (code 29903) from 1/1/2001.

EPSG

2157