ESRI:112051 — OSGB36 National Highways A27H1

Name: ESRI:112051 - OSGB36 National Highways A27H1
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Projected · UK - Highways England - A27

Export Formats

OGC WKT

PROJCS[
    "OSGB36_National_Highways_A27H1",
    GEOGCS[
        "GCS_OSGB_1936",
        DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",-195973.6419052653],
    PARAMETER["False_Northing",70990.45191466244],
    PARAMETER["Central_Meridian",-2.0],
    PARAMETER["Scale_Factor",0.9994668452458347],
    PARAMETER["Latitude_Of_Origin",49.0],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "OSGB36_National_Highways_A27H1",
    BASEGEOGCRS[
        "GCS_OSGB_1936",
        DATUM["D_OSGB_1936",ELLIPSOID["Airy_1830",6377563.396,299.3249646]],
        PRIMEM["Greenwich",0.0],
        CS[ellipsoidal,2],
        AXIS["Latitude (lat)",north,ORDER[1]],
        AXIS["Longitude (lon)",east,ORDER[2]],
        ANGLEUNIT["Degree",0.0174532925199433]
    ],
    CONVERSION[
        "Transverse_Mercator",
        METHOD["Transverse_Mercator"],
        PARAMETER["False_Easting",-195973.6419052653],
        PARAMETER["False_Northing",70990.45191466244],
        PARAMETER["Central_Meridian",-2.0],
        PARAMETER["Scale_Factor",0.9994668452458347],
        PARAMETER["Latitude_Of_Origin",49.0]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","112051"]
]

PROJ.4

+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("ESRI:112051", "+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 112051,
  "name": "OSGB36 National Highways A27H1",
  "kind": "projected",
  "area": "UK - Highways England - A27",
  "unit": null,
  "bbox": [
    50.9293,
    0.932,
    52.0108,
    1.1476
  ],
  "proj4": "+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (112051, 'ESRI', 112051, '+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs', 'PROJCS["OSGB36_National_Highways_A27H1",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",-195973.6419052653],PARAMETER["False_Northing",70990.45191466244],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.9994668452458347],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+datum=OSGB36"
  "+x_0=-195973.6419052653"
  "+y_0=70990.45191466244"
  "+lon_0=2dW"
  "+lat_0=49dN"
  "+k_0=0.9994668452458347"
  "+nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb"
  "+no_defs"
END

GeoServer

How to add a projection to GeoServer? →

112051=PROJCS["OSGB36_National_Highways_A27H1",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",-195973.6419052653],PARAMETER["False_Northing",70990.45191466244],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.9994668452458347],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:112051 to GeoServer?

Add the following definition to your GeoServer configuration:

112051=PROJCS["OSGB36_National_Highways_A27H1",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",-195973.6419052653],PARAMETER["False_Northing",70990.45191466244],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.9994668452458347],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:112051 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (112051, 'ESRI', 112051, '+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs', 'PROJCS["OSGB36_National_Highways_A27H1",GEOGCS["GCS_OSGB_1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",-195973.6419052653],PARAMETER["False_Northing",70990.45191466244],PARAMETER["Central_Meridian",-2.0],PARAMETER["Scale_Factor",0.9994668452458347],PARAMETER["Latitude_Of_Origin",49.0],UNIT["Meter",1.0]]');

Read the full PostGIS guide →

How do I add ESRI:112051 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+datum=OSGB36"
  "+x_0=-195973.6419052653"
  "+y_0=70990.45191466244"
  "+lon_0=2dW"
  "+lat_0=49dN"
  "+k_0=0.9994668452458347"
  "+nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb"
  "+no_defs"
END

Read the full MapServer guide →

How do I use ESRI:112051 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:112051", "+proj=tmerc +datum=OSGB36 +x_0=-195973.6419052653 +y_0=70990.45191466244 +lon_0=2dW +lat_0=49dN +k_0=0.9994668452458347 +nadgrids=OSTN15_NTv2_OSGBtoETRS.gsb +no_defs");

Read the full Proj4js guide →