ESRI:102400 — London Survey Grid

Name: ESRI:102400 - London Survey Grid
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Projected · UK - London

Export Formats

OGC WKT

PROJCS[
    "London_Survey_Grid",
    GEOGCS[
        "GCS_Xrail84",
        DATUM["D_Xrail84",SPHEROID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",78250.0],
    PARAMETER["False_Northing",-2800.0],
    PARAMETER["Central_Meridian",-0.158333333333333],
    PARAMETER["Scale_Factor",0.9999999],
    PARAMETER["Latitude_Of_Origin",51.1666666666667],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "London_Survey_Grid",
    BASEGEOGCRS[
        "GCS_Xrail84",
        DATUM["D_Xrail84",ELLIPSOID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        CS[ellipsoidal,2],
        AXIS["Longitude (lon)",east,ORDER[1]],
        AXIS["Latitude (lat)",north,ORDER[2]],
        ANGLEUNIT["Degree",0.0174532925199433]
    ],
    CONVERSION[
        "Transverse_Mercator",
        METHOD["Transverse_Mercator"],
        PARAMETER["False_Easting",78250.0],
        PARAMETER["False_Northing",-2800.0],
        PARAMETER["Central_Meridian",-0.158333333333333],
        PARAMETER["Scale_Factor",0.9999999],
        PARAMETER["Latitude_Of_Origin",51.1666666666667]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","102400"]
]

PROJ.4

+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9'30.0"W +lat_0=51d10'N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("ESRI:102400", "+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9'30.0"W +lat_0=51d10'N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 102400,
  "name": "London Survey Grid",
  "kind": "projected",
  "area": "UK - London",
  "unit": null,
  "bbox": [
    51.2,
    -0.7,
    51.8,
    0.6
  ],
  "proj4": "+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9'30.0\"W +lat_0=51d10'N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102400, 'ESRI', 102400, '+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9''30.0"W +lat_0=51d10''N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs', 'PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",78250.0],PARAMETER["False_Northing",-2800.0],PARAMETER["Central_Meridian",-0.158333333333333],PARAMETER["Scale_Factor",0.9999999],PARAMETER["Latitude_Of_Origin",51.1666666666667],UNIT["Meter",1.0]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+ellps=WGS84"
  "+x_0=78250.0"
  "+y_0=-2800.0"
  "+lon_0=0d9'30.0"W"
  "+lat_0=51d10'N"
  "+k_0=0.9999999"
  "+towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473"
  "+no_defs"
END

GeoServer

How to add a projection to GeoServer? →

102400=PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",78250.0],PARAMETER["False_Northing",-2800.0],PARAMETER["Central_Meridian",-0.158333333333333],PARAMETER["Scale_Factor",0.9999999],PARAMETER["Latitude_Of_Origin",51.1666666666667],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:102400 to GeoServer?

Add the following definition to your GeoServer configuration:

102400=PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",78250.0],PARAMETER["False_Northing",-2800.0],PARAMETER["Central_Meridian",-0.158333333333333],PARAMETER["Scale_Factor",0.9999999],PARAMETER["Latitude_Of_Origin",51.1666666666667],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:102400 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102400, 'ESRI', 102400, '+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9''30.0"W +lat_0=51d10''N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs', 'PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",78250.0],PARAMETER["False_Northing",-2800.0],PARAMETER["Central_Meridian",-0.158333333333333],PARAMETER["Scale_Factor",0.9999999],PARAMETER["Latitude_Of_Origin",51.1666666666667],UNIT["Meter",1.0]]');

Read the full PostGIS guide →

How do I add ESRI:102400 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+ellps=WGS84"
  "+x_0=78250.0"
  "+y_0=-2800.0"
  "+lon_0=0d9'30.0"W"
  "+lat_0=51d10'N"
  "+k_0=0.9999999"
  "+towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473"
  "+no_defs"
END

Read the full MapServer guide →

How do I use ESRI:102400 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:102400", "+proj=tmerc +ellps=WGS84 +x_0=78250.0 +y_0=-2800.0 +lon_0=0d9'30.0"W +lat_0=51d10'N +k_0=0.9999999 +towgs84=-19.01545797641788,-115.1184254649785,97.28750774701817,-3.577777246269048,3.484485006141433,2.767585559700101,-18.60812913101473 +no_defs");

Read the full Proj4js guide →