EPSG:19963

Sierra Leone New Colony Grid

Attributes

Data source: EPSG

Information source: Ordnance Survey International

Revision date: 2001-06-05

Scope: Engineering survey, topographic mapping.

Remarks: Replaces the Sierra Leone Colony Grid. New grid is 422.3 ft west and 112.1 ft south of old grid.

Method: Transverse Mercator

Area of use: Sierra Leone - Freetown Peninsula.

Description: (0,)

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Sierra Leone - Freetown Peninsula.

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Definition: OGC Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",6.66666666666667],
PARAMETER["central_meridian",-12],
PARAMETER["scale_factor",1],
PARAMETER["false_easting",152399.855090754],
PARAMETER["false_northing",0]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Sierra Leone New Colony Grid",
    METHOD["Transverse Mercator",
        ID["EPSG",9807]],
    PARAMETER["Latitude of natural origin",6.66666666666667,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-12,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",1,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",500000,
        LENGTHUNIT["Gold Coast foot",0.304799710181509],
        ID["EPSG",8806]],
    PARAMETER["False northing",0,
        LENGTHUNIT["Gold Coast foot",0.304799710181509],
        ID["EPSG",8807]],
    ID["EPSG",19963]]

Definition: ESRI Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting",152399.855090754],
PARAMETER["False_Northing",0.0],
PARAMETER["Central_Meridian",-12.0],
PARAMETER["Scale_Factor",1.0],
PARAMETER["Latitude_Of_Origin",6.66666666666667]

Definition: PROJ.4

+proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k=1 +x_0=152399.855090754 +y_0=0

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:19963","+proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k=1 +x_0=152399.855090754 +y_0=0");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Sierra Leone New Colony Grid",
    "method": {
        "name": "Transverse Mercator",
        "id": {
            "authority": "EPSG",
            "code": 9807
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": 6.66666666666667,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": -12,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 1,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 500000,
            "unit": {
                "type": "LinearUnit",
                "name": "Gold Coast foot",
                "conversion_factor": 0.304799710181509
            },
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "Gold Coast foot",
                "conversion_factor": 0.304799710181509
            },
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 19963
    }
}

Definition: GeoServer

19963=PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",6.66666666666667],PARAMETER["central_meridian",-12],PARAMETER["scale_factor",1],PARAMETER["false_easting",152399.855090754],PARAMETER["false_northing",0]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=6.66666666666667"
	"lon_0=-12"
	"k=1"
	"x_0=152399.855090754"
	"y_0=0"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k=1 +x_0=152399.855090754 +y_0=0">
	<Layer srs="+proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k=1 +x_0=152399.855090754 +y_0=0">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19963, 'EPSG', 19963, '+proj=tmerc +lat_0=6.66666666666667 +lon_0=-12 +k=1 +x_0=152399.855090754 +y_0=0', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",6.66666666666667],PARAMETER["central_meridian",-12],PARAMETER["scale_factor",1],PARAMETER["false_easting",152399.855090754],PARAMETER["false_northing",0]');