EPSG:5471

Panama Polyconic

Attributes

Data source: EPSG

Information source: Clifford Mugnier's PE&RS July 1999 Grids and Datums article on The Republic of Panama, (www.asprs.org/resources/grids/).

Revision date: 2011-07-22

Scope: Engineering survey, topographic mapping.

Remarks: Replaced by Panama Lambert projection from 1940s.

Method: American Polyconic

Area of use: Panama - onshore.

Description: (0,)

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Panama - onshore.

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Definition: OGC Well Known Text

PROJECTION["Polyconic"],
PARAMETER["latitude_of_origin",8.25],
PARAMETER["central_meridian",-81],
PARAMETER["false_easting",914391.7962],
PARAMETER["false_northing",999404.721715486]

Definition: OGC Well Known Text 2 (2019)

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]],
    ID["EPSG",5471]]

Definition: ESRI Well Known Text

PROJECTION["Polyconic"],
PARAMETER["False_Easting",914391.7962],
PARAMETER["False_Northing",999404.721715486],
PARAMETER["Central_Meridian",-81.0],
PARAMETER["Latitude_Of_Origin",8.25]

Definition: PROJ.4

+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:5471","+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "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
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 5471
    }
}

Definition: GeoServer

5471=PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",8.25],PARAMETER["central_meridian",-81],PARAMETER["false_easting",914391.7962],PARAMETER["false_northing",999404.721715486]

Definition: MapServer - MAPfile

PROJECTION
	"proj=poly"
	"lat_0=8.25"
	"lon_0=-81"
	"x_0=914391.7962"
	"y_0=999404.721715486"
END

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">
	<Layer srs="+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5471, 'EPSG', 5471, '+proj=poly +lat_0=8.25 +lon_0=-81 +x_0=914391.7962 +y_0=999404.721715486', 'PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",8.25],PARAMETER["central_meridian",-81],PARAMETER["false_easting",914391.7962],PARAMETER["false_northing",999404.721715486]');