Clarke's foot
EPSG
Clifford Mugnier's March 2009 PE&RS "Grids and Datums" article on Belize (www.asprs.org/resources/grids/).
2011-08-17
Engineering survey, topographic mapping.
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: ftCla.
273752.68 490431.96
10592.01 16622.41
537683.41 965054.37
-89.22 15.88
-87.72 18.49
Definition: OGC Well Known Text
PROJCS["Sibun Gorge 1922 / Colony Grid", GEOGCS["Sibun Gorge 1922", DATUM["Sibun_Gorge_1922", SPHEROID["Clarke 1858",6378293.64520876,294.260676369261, AUTHORITY["EPSG","7007"]], AUTHORITY["EPSG","1071"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","5464"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",17.0612419444444], PARAMETER["central_meridian",-88.6318575], PARAMETER["scale_factor",1], PARAMETER["false_easting",217259.26], PARAMETER["false_northing",445474.83], UNIT["Clarke's foot",0.3047972654, AUTHORITY["EPSG","9005"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","5589"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Sibun Gorge 1922 / Colony Grid", BASEGEOGCRS["Sibun Gorge 1922", DATUM["Sibun Gorge 1922", ELLIPSOID["Clarke 1858",20926348,294.260676369261, LENGTHUNIT["Clarke's foot",0.3047972654]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",5464]], CONVERSION["Belize Colony Grid", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",17.0612419444444, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-88.6318575, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",217259.26, LENGTHUNIT["Clarke's foot",0.3047972654], ID["EPSG",8806]], PARAMETER["False northing",445474.83, LENGTHUNIT["Clarke's foot",0.3047972654], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["Clarke's foot",0.3047972654]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["Clarke's foot",0.3047972654]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Belize - onshore."], BBOX[15.88,-89.22,18.49,-87.72]], ID["EPSG",5589]]
Definition: ESRI Well Known Text
PROJCS["Sibun_Gorge_1922_Colony_Grid", GEOGCS["GCS_Sibun_Gorge_1922", DATUM["D_Sibun_Gorge_1922", SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",217259.26], PARAMETER["False_Northing",445474.83], PARAMETER["Central_Meridian",-88.6318575], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",17.0612419444444], UNIT["Clarke's foot",0.3047972654]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Sibun Gorge 1922 / Colony Grid", "base_crs": { "name": "Sibun Gorge 1922", "datum": { "type": "GeodeticReferenceFrame", "name": "Sibun Gorge 1922", "ellipsoid": { "name": "Clarke 1858", "semi_major_axis": { "value": 20926348, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, "semi_minor_axis": { "value": 20855233, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } } }, "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": 5464 } }, "conversion": { "name": "Belize Colony Grid", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 17.0612419444444, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -88.6318575, "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": 217259.26, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 445474.83, "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "Clarke's foot", "conversion_factor": 0.3047972654 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Belize - onshore.", "bbox": { "south_latitude": 15.88, "west_longitude": -89.22, "north_latitude": 18.49, "east_longitude": -87.72 }, "id": { "authority": "EPSG", "code": 5589 } }
Definition: GeoServer
5589=PROJCS["Sibun Gorge 1922 / Colony Grid",GEOGCS["Sibun Gorge 1922",DATUM["Sibun_Gorge_1922",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","1071"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5464"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",17.0612419444444],PARAMETER["central_meridian",-88.6318575],PARAMETER["scale_factor",1],PARAMETER["false_easting",217259.26],PARAMETER["false_northing",445474.83],UNIT["Clarke's foot",0.3047972654,AUTHORITY["EPSG","9005"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5589"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=17.0612419444444 +lon_0=-88.6318575 +k=1 +x_0=66220.0283308276 +y_0=135779.50998853 +a=6378293.64520876 +b=6356617.98767984 +to_meter=0.3047972654 +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=17.0612419444444 +lon_0=-88.6318575 +k=1 +x_0=66220.0283308276 +y_0=135779.50998853 +a=6378293.64520876 +b=6356617.98767984 +to_meter=0.3047972654 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5589, 'EPSG', 5589, '+proj=tmerc +lat_0=17.0612419444444 +lon_0=-88.6318575 +k=1 +x_0=66220.0283308276 +y_0=135779.50998853 +a=6378293.64520876 +b=6356617.98767984 +to_meter=0.3047972654 +no_defs +type=crs', 'PROJCS["Sibun Gorge 1922 / Colony Grid",GEOGCS["Sibun Gorge 1922",DATUM["Sibun_Gorge_1922",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","1071"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5464"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",17.0612419444444],PARAMETER["central_meridian",-88.6318575],PARAMETER["scale_factor",1],PARAMETER["false_easting",217259.26],PARAMETER["false_northing",445474.83],UNIT["Clarke's foot",0.3047972654,AUTHORITY["EPSG","9005"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5589"]]');