Clarke's yard
EPSG
Clifford Mugnier's PE&RS July 1999 "Grids and Datums" article on The Republic of Panama, (www.asprs.org/resources/grids/).
2011-07-22
Engineering survey, topographic mapping.
Replaced by Panama-Colon / Panama Lambert from 1940s.
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: ydCl.
1106590.15 1113048.44
753563.67 959938.07
1460252.33 1268485.23
-83.04 7.15
-77.19 9.68
Definition: OGC Well Known Text
PROJCS["Panama-Colon 1911 / Panama Polyconic", GEOGCS["Panama-Colon 1911", DATUM["Panama-Colon_1911", SPHEROID["Clarke 1866",6378206.4,294.978698213898, AUTHORITY["EPSG","7008"]], AUTHORITY["EPSG","1072"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","5467"]], PROJECTION["Polyconic"], PARAMETER["latitude_of_origin",8.25], PARAMETER["central_meridian",-81], PARAMETER["false_easting",1000000], PARAMETER["false_northing",1092972.1], UNIT["Clarke's yard",0.9143917962, AUTHORITY["EPSG","9037"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","5472"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Panama-Colon 1911 / Panama Polyconic", BASEGEOGCRS["Panama-Colon 1911", DATUM["Panama-Colon 1911", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",5467]], CONVERSION["Panama Polyconic", METHOD["American Polyconic", ID["EPSG",9818]], PARAMETER["Latitude of natural origin",8.25, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-81, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",1000000, LENGTHUNIT["Clarke's yard",0.9143917962], ID["EPSG",8806]], PARAMETER["False northing",1092972.1, LENGTHUNIT["Clarke's yard",0.9143917962], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["Clarke's yard",0.9143917962]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["Clarke's yard",0.9143917962]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Panama - onshore."], BBOX[7.15,-83.04,9.68,-77.19]], ID["EPSG",5472]]
Definition: ESRI Well Known Text
PROJCS["Panama-Colon_1911_Panama_Polyconic", GEOGCS["GCS_Panama-Colon_1911", DATUM["D_Panama-Colon-1911", SPHEROID["Clarke_1866",6378206.4,294.978698213898]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Polyconic"], PARAMETER["False_Easting",1000000.0], PARAMETER["False_Northing",1092972.1], PARAMETER["Central_Meridian",-81.0], PARAMETER["Latitude_Of_Origin",8.25], UNIT["Clarke's yard",0.9143917962]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Panama-Colon 1911 / Panama Polyconic", "base_crs": { "name": "Panama-Colon 1911", "datum": { "type": "GeodeticReferenceFrame", "name": "Panama-Colon 1911", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 } }, "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": 5467 } }, "conversion": { "name": "Panama Polyconic", "method": { "name": "American Polyconic", "id": { "authority": "EPSG", "code": 9818 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 8.25, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -81, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 1000000, "unit": { "type": "LinearUnit", "name": "Clarke's yard", "conversion_factor": 0.9143917962 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 1092972.1, "unit": { "type": "LinearUnit", "name": "Clarke's yard", "conversion_factor": 0.9143917962 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": { "type": "LinearUnit", "name": "Clarke's yard", "conversion_factor": 0.9143917962 } }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": { "type": "LinearUnit", "name": "Clarke's yard", "conversion_factor": 0.9143917962 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Panama - onshore.", "bbox": { "south_latitude": 7.15, "west_longitude": -83.04, "north_latitude": 9.68, "east_longitude": -77.19 }, "id": { "authority": "EPSG", "code": 5472 } }
Definition: GeoServer
5472=PROJCS["Panama-Colon 1911 / Panama Polyconic",GEOGCS["Panama-Colon 1911",DATUM["Panama-Colon_1911",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","1072"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5467"]],PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",8.25],PARAMETER["central_meridian",-81],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1092972.1],UNIT["Clarke's yard",0.9143917962,AUTHORITY["EPSG","9037"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5472"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486 +ellps=clrk66 +to_meter=0.9143917962 +no_defs +type=crs"> <Layer srs="+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486 +ellps=clrk66 +to_meter=0.9143917962 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5472, 'EPSG', 5472, '+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486 +ellps=clrk66 +to_meter=0.9143917962 +no_defs +type=crs', 'PROJCS["Panama-Colon 1911 / Panama Polyconic",GEOGCS["Panama-Colon 1911",DATUM["Panama-Colon_1911",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","1072"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5467"]],PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",8.25],PARAMETER["central_meridian",-81],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1092972.1],UNIT["Clarke's yard",0.9143917962,AUTHORITY["EPSG","9037"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5472"]]');