Mount Dillon / Tobago Grid

Definition: Well Known Text (WKT)

PROJCS["Mount Dillon / Tobago Grid",
    GEOGCS["Mount Dillon",
        DATUM["Mount_Dillon",
            SPHEROID["Clarke 1858",6378293.64520876,294.260676369261]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4157"]],
    PROJECTION["Cassini_Soldner"],
    PARAMETER["latitude_of_origin",11.2521786111111],
    PARAMETER["central_meridian",-60.6860088888889],
    PARAMETER["false_easting",187500],
    PARAMETER["false_northing",180000],
    UNIT["Clarke's link",0.201166195164],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","2066"]]

Definition: ESRI WKT

PROJCS["Mount_Dillon_Tobago_Grid",GEOGCS["GCS_Mount_Dillon",DATUM["D_Mount_Dillon",SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Cassini"],PARAMETER["False_Easting",187500.0],PARAMETER["False_Northing",180000.0],PARAMETER["Central_Meridian",-60.6860088888889],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",11.2521786111111],UNIT["Clarke's link",0.201166195164]]

Definition: PROJ.4

+proj=cass +lat_0=11.2521786111111 +lon_0=-60.6860088888889 +x_0=37718.66159325 +y_0=36209.91512952 +a=6378293.64520876 +rf=294.260676369261 +to_meter=0.201166195164 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2066","+proj=cass +lat_0=11.2521786111111 +lon_0=-60.6860088888889 +x_0=37718.66159325 +y_0=36209.91512952 +a=6378293.64520876 +rf=294.260676369261 +to_meter=0.201166195164 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Mount Dillon / Tobago Grid",
    "base_crs": {
        "name": "Mount Dillon",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Mount Dillon",
            "ellipsoid": {
                "name": "Clarke 1858",
                "semi_major_axis": {
                    "value": 20926348,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "Clarke's foot",
                        "conversion_factor": 0.3047972654
                    }
                },
                "inverse_flattening": 294.260676369261
            }
        },
        "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": "EPSG",
            "code": 4157
        }
    },
    "conversion": {
        "name": "Tobago Grid",
        "method": {
            "name": "Cassini-Soldner",
            "id": {
                "authority": "EPSG",
                "code": 9806
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 11.2521786111111,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": -60.6860088888889,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": 187500,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's link",
                    "conversion_factor": 0.201166195164
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 180000,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's link",
                    "conversion_factor": 0.201166195164
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's link",
                    "conversion_factor": 0.201166195164
                }
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's link",
                    "conversion_factor": 0.201166195164
                }
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Trinidad and Tobago - Tobago - onshore.",
    "bbox": {
        "south_latitude": 11.08,
        "west_longitude": -60.9,
        "north_latitude": 11.41,
        "east_longitude": -60.44
    },
    "id": {
        "authority": "EPSG",
        "code": 2066
    }
}

Definition: GeoServer

2066=PROJCS["Mount Dillon / Tobago Grid",GEOGCS["Mount Dillon",DATUM["Mount_Dillon",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4157"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",11.2521786111111],PARAMETER["central_meridian",-60.6860088888889],PARAMETER["false_easting",187500],PARAMETER["false_northing",180000],UNIT["Clarke's link",0.201166195164],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2066"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=cass"
	"lat_0=11.2521786111111"
	"lon_0=-60.6860088888889"
	"x_0=37718.66159325"
	"y_0=36209.91512952"
	"a=6378293.64520876"
	"rf=294.260676369261"
	"to_meter=0.201166195164"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=cass +lat_0=11.2521786111111 +lon_0=-60.6860088888889 +x_0=37718.66159325 +y_0=36209.91512952 +a=6378293.64520876 +rf=294.260676369261 +to_meter=0.201166195164 +no_defs +type=crs">
	<Layer srs="+proj=cass +lat_0=11.2521786111111 +lon_0=-60.6860088888889 +x_0=37718.66159325 +y_0=36209.91512952 +a=6378293.64520876 +rf=294.260676369261 +to_meter=0.201166195164 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2066, 'EPSG', 2066, '+proj=cass +lat_0=11.2521786111111 +lon_0=-60.6860088888889 +x_0=37718.66159325 +y_0=36209.91512952 +a=6378293.64520876 +rf=294.260676369261 +to_meter=0.201166195164 +no_defs +type=crs', 'PROJCS["Mount Dillon / Tobago Grid",GEOGCS["Mount Dillon",DATUM["Mount_Dillon",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4157"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",11.2521786111111],PARAMETER["central_meridian",-60.6860088888889],PARAMETER["false_easting",187500],PARAMETER["false_northing",180000],UNIT["Clarke's link",0.201166195164],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2066"]]');

Definition: OGC WKT

PROJCS["Mount Dillon / Tobago Grid",GEOGCS["Mount Dillon",DATUM["Mount_Dillon",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4157"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",11.2521786111111],PARAMETER["central_meridian",-60.6860088888889],PARAMETER["false_easting",187500],PARAMETER["false_northing",180000],UNIT["Clarke's link",0.201166195164],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2066"]]

Definition: OGC WKT 2 (2019)

PROJCRS["Mount Dillon / Tobago Grid",BASEGEOGCRS["Mount Dillon",DATUM["Mount Dillon",ELLIPSOID["Clarke 1858",20926348,294.260676369261,LENGTHUNIT["Clarke's foot",0.3047972654]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4157]],CONVERSION["Tobago Grid",METHOD["Cassini-Soldner",ID["EPSG",9806]],PARAMETER["Latitude of natural origin",11.2521786111111,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-60.6860088888889,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["False easting",187500,LENGTHUNIT["Clarke's link",0.201166195164],ID["EPSG",8806]],PARAMETER["False northing",180000,LENGTHUNIT["Clarke's link",0.201166195164],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["Clarke's link",0.201166195164]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["Clarke's link",0.201166195164]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Trinidad and Tobago - Tobago - onshore."],BBOX[11.08,-60.9,11.41,-60.44]],ID["EPSG",2066]]

EPSG:2066

Mount Dillon / Tobago Grid

Attributes

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