ESRI:102400

London Survey Grid

Attributes

Data source: ESRI

Information source: ESRI

Area of use: UK - London

Description: London Survey Grid

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
85748.17 34322.08

Projected bounds:
40365.09 939.74
131229.63 67967.13

WGS84 bounds:
-0.7 51.2
0.6 51.8

UK - London
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Definition: OGC Well Known Text

PROJCS["London_Survey_Grid",
    GEOGCS["GCS_Xrail84",
        DATUM["D_Xrail84",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            AUTHORITY["ESRI","106050"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["ESRI","104050"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",51.1666666666667],
    PARAMETER["central_meridian",-0.158333333333333],
    PARAMETER["scale_factor",0.9999999],
    PARAMETER["false_easting",78250],
    PARAMETER["false_northing",-2800],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["ESRI","102400"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["London_Survey_Grid",
    BASEGEOGCRS["GCS_Xrail84",
        DATUM["D_Xrail84",
            ELLIPSOID["WGS 84",6378137,298.257223563,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["ESRI",104050]],
    CONVERSION["London_Survey_Grid",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",51.1666666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-0.158333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9999999,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",78250,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",-2800,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Not known."],
        AREA["UK - London"],
        BBOX[51.2,-0.7,51.8,0.6]],
    ID["ESRI",102400]]

Definition: ESRI Well Known Text

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]]

Definition: PROJ.4

+proj=tmerc +lat_0=51.1666666666667 +lon_0=-0.158333333333333 +k=0.9999999 +x_0=78250 +y_0=-2800 +ellps=WGS84 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("ESRI:102400","+proj=tmerc +lat_0=51.1666666666667 +lon_0=-0.158333333333333 +k=0.9999999 +x_0=78250 +y_0=-2800 +ellps=WGS84 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "London_Survey_Grid",
    "base_crs": {
        "name": "GCS_Xrail84",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "D_Xrail84",
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "ESRI",
            "code": 104050
        }
    },
    "conversion": {
        "name": "London_Survey_Grid",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 51.1666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -0.158333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.9999999,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 78250,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": -2800,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Not known.",
    "area": "UK - London",
    "bbox": {
        "south_latitude": 51.2,
        "west_longitude": -0.7,
        "north_latitude": 51.8,
        "east_longitude": 0.6
    },
    "id": {
        "authority": "ESRI",
        "code": 102400
    }
}

Definition: GeoServer

102400=PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["ESRI","106050"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["ESRI","104050"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",51.1666666666667],PARAMETER["central_meridian",-0.158333333333333],PARAMETER["scale_factor",0.9999999],PARAMETER["false_easting",78250],PARAMETER["false_northing",-2800],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102400"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=51.1666666666667"
	"lon_0=-0.158333333333333"
	"k=0.9999999"
	"x_0=78250"
	"y_0=-2800"
	"ellps=WGS84"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=51.1666666666667 +lon_0=-0.158333333333333 +k=0.9999999 +x_0=78250 +y_0=-2800 +ellps=WGS84 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=51.1666666666667 +lon_0=-0.158333333333333 +k=0.9999999 +x_0=78250 +y_0=-2800 +ellps=WGS84 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 102400, 'ESRI', 102400, '+proj=tmerc +lat_0=51.1666666666667 +lon_0=-0.158333333333333 +k=0.9999999 +x_0=78250 +y_0=-2800 +ellps=WGS84 +units=m +no_defs +type=crs', 'PROJCS["London_Survey_Grid",GEOGCS["GCS_Xrail84",DATUM["D_Xrail84",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["ESRI","106050"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["ESRI","104050"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",51.1666666666667],PARAMETER["central_meridian",-0.158333333333333],PARAMETER["scale_factor",0.9999999],PARAMETER["false_easting",78250],PARAMETER["false_northing",-2800],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102400"]]');