EPSG:9977 — FNL22 Grid

Projekte · UK - Inverness to Thurso

Tanım Formatları

OGC WKT

PROJCS[
    "FNL22 Grid",
    GEOGCS[
        "FNL22-IRF",
        DATUM[
            "FNL22_Intermediate_Reference_Frame",
            SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","1321"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","9974"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",58],
    PARAMETER["central_meridian",-3.8],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",139618.9493],
    PARAMETER["false_northing",183110.794],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","9977"]
]

WKT2

PROJCRS[
    "FNL22 Grid",
    BASEGEOGCRS[
        "FNL22-IRF",
        DATUM[
            "FNL22 Intermediate Reference Frame",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",1321]
        ],
        DEFININGTRANSFORMATION[
            "ETRS89-GBR [OSNet v2009] to FNL22-IRF (1)",
            ID["EPSG",9975]
        ],
        ID["EPSG",9974]
    ],
    CONVERSION[
        "FNL22-TM",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            58,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -3.80000000000028,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            139618.9493,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            183110.794,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",9976]
    ],
    CS[Cartesian,2,ID["EPSG",4400]],
    AXIS["Easting (E)",east],
    AXIS["Northing (N)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",9977]
]

PROJ.4

+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +units=m +no_defs +type=crs

Proj4js

Proj4js'a nasıl projeksiyon eklerim? →

proj4.defs("EPSG:9977", "+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 9977,
  "name": "FNL22 Grid",
  "kind": "projected",
  "area": "UK - Inverness to Thurso",
  "unit": "metre",
  "bbox": [
    57.4,
    -4.6,
    58.64,
    -3
  ],
  "proj4": "+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +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 (9977, 'EPSG', 9977, '+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["FNL22 Grid",GEOGCS["FNL22-IRF",DATUM["FNL22_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1321"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9974"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",-3.8],PARAMETER["scale_factor",1],PARAMETER["false_easting",139618.9493],PARAMETER["false_northing",183110.794],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9977"]]');

MapServer

MapServer'a nasıl projeksiyon eklerim? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=58"
  "+lon_0=-3.8"
  "+k=1"
  "+x_0=139618.9493"
  "+y_0=183110.794"
  "+ellps=GRS80"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

GeoServer'a nasıl projeksiyon eklerim? →

9977=PROJCS["FNL22 Grid",GEOGCS["FNL22-IRF",DATUM["FNL22_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1321"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9974"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",-3.8],PARAMETER["scale_factor",1],PARAMETER["false_easting",139618.9493],PARAMETER["false_northing",183110.794],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9977"]]

İlişkili Koordinat Sistemleri

Mevcut Dönüşümler (1)

Dönüşümler temel CRS'den alınmıştır: EPSG:9974 (FNL22-IRF)

Dönüşüm	Kaynak → Hedef	Hassasiyet (m)
ETRS89-GBR [OSNet v2009] to FNL22-IRF (1)	11009 → 9974	0

FNL22 Intermediate Reference Frame Kullanan Diğer CRS

Sıkça Sorulan Sorular

EPSG:9977 projeksiyonunu GeoServer'a nasıl eklerim?

Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:

9977=PROJCS["FNL22 Grid",GEOGCS["FNL22-IRF",DATUM["FNL22_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1321"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9974"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",-3.8],PARAMETER["scale_factor",1],PARAMETER["false_easting",139618.9493],PARAMETER["false_northing",183110.794],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9977"]]

GeoServer rehberinin tamamını okuyun →

EPSG:9977 projeksiyonunu PostGIS'e nasıl eklerim?

Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9977, 'EPSG', 9977, '+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +units=m +no_defs +type=crs', 'PROJCS["FNL22 Grid",GEOGCS["FNL22-IRF",DATUM["FNL22_Intermediate_Reference_Frame",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1321"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9974"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",-3.8],PARAMETER["scale_factor",1],PARAMETER["false_easting",139618.9493],PARAMETER["false_northing",183110.794],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9977"]]');

PostGIS rehberinin tamamını okuyun →

EPSG:9977 projeksiyonunu MapServer'da nasıl kullanırım?

Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:

PROJECTION
  "+proj=tmerc"
  "+lat_0=58"
  "+lon_0=-3.8"
  "+k=1"
  "+x_0=139618.9493"
  "+y_0=183110.794"
  "+ellps=GRS80"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

MapServer rehberinin tamamını okuyun →

EPSG:9977 projeksiyonunu Proj4js ile nasıl kullanırım?

Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:

proj4.defs("EPSG:9977", "+proj=tmerc +lat_0=58 +lon_0=-3.8 +k=1 +x_0=139618.9493 +y_0=183110.794 +ellps=GRS80 +units=m +no_defs +type=crs");

Proj4js rehberinin tamamını okuyun →

Tür

Projekte

Birim

metre

Geodetik CRS

FNL22-IRF

Datum

FNL22 Intermediate Reference Frame

Elipsoid

GRS 1980

Başlangıç Meridyeni

Greenwich

Kullanım Alanı

UK - Inverness to Thurso

United Kingdom (UK) - on or related to the rail route from Inverness to Thurso and Wick.

Koordinat Sistemi

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

Merkez Koordinatları

139618.95 185338.35

Projekte Sınırlar

254673.05 91524.66186077.53 116570.26

WGS84 Sınırları

58.64 -4.60-3.00 57.40

Veri Kaynağı

EPSG

Bilgi Kaynağı

Network Rail.

Revizyon Tarihi

2026-02-10

Kapsam

Engineering survey and topographic mapping for railway applications.

Açıklamalar

Defined through transformation ETRS89-GBR [OSNet v2009] to FNL22-IRF (1) (code 9975) and map projection FNL22-TM (code 9976). Emulates the FNL22 Snake projection applied to ETRS89 as realized through OSNet v2009.

EPSG

9977