EPSG:15021

Alaska Albers (meter)

Attributes

Data source: EPSG

Information source: State of Alaska Department of Natural Resources.

Revision date: 2023-11-22

Scope: Topographic mapping (small scale).

Method: Albers Equal Area

Area of use: United States (USA) - Alaska.

Description: (0,)

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United States (USA) - Alaska.

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Definition: OGC Well Known Text

PROJECTION["Albers_Conic_Equal_Area"],
PARAMETER["latitude_of_center",50],
PARAMETER["longitude_of_center",-154],
PARAMETER["standard_parallel_1",55],
PARAMETER["standard_parallel_2",65],
PARAMETER["false_easting",0],
PARAMETER["false_northing",0]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Alaska Albers (meter)",
    METHOD["Albers Equal Area",
        ID["EPSG",9822]],
    PARAMETER["Latitude of false origin",50,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8821]],
    PARAMETER["Longitude of false origin",-154,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8822]],
    PARAMETER["Latitude of 1st standard parallel",55,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8823]],
    PARAMETER["Latitude of 2nd standard parallel",65,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8824]],
    PARAMETER["Easting at false origin",0,
        LENGTHUNIT["metre",1],
        ID["EPSG",8826]],
    PARAMETER["Northing at false origin",0,
        LENGTHUNIT["metre",1],
        ID["EPSG",8827]],
    ID["EPSG",15021]]

Definition: ESRI Well Known Text

PROJECTION["Albers"],
PARAMETER["False_Easting",0.0],
PARAMETER["False_Northing",0.0],
PARAMETER["Central_Meridian",-154.0],
PARAMETER["Standard_Parallel_1",55.0],
PARAMETER["Standard_Parallel_2",65.0],
PARAMETER["Latitude_Of_Origin",50.0]

Definition: PROJ.4

+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:15021","+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Alaska Albers (meter)",
    "method": {
        "name": "Albers Equal Area",
        "id": {
            "authority": "EPSG",
            "code": 9822
        }
    },
    "parameters": [
        {
            "name": "Latitude of false origin",
            "value": 50,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8821
            }
        },
        {
            "name": "Longitude of false origin",
            "value": -154,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8822
            }
        },
        {
            "name": "Latitude of 1st standard parallel",
            "value": 55,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8823
            }
        },
        {
            "name": "Latitude of 2nd standard parallel",
            "value": 65,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8824
            }
        },
        {
            "name": "Easting at false origin",
            "value": 0,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8826
            }
        },
        {
            "name": "Northing at false origin",
            "value": 0,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8827
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 15021
    }
}

Definition: GeoServer

15021=PROJECTION["Albers_Conic_Equal_Area"],PARAMETER["latitude_of_center",50],PARAMETER["longitude_of_center",-154],PARAMETER["standard_parallel_1",55],PARAMETER["standard_parallel_2",65],PARAMETER["false_easting",0],PARAMETER["false_northing",0]

Definition: MapServer - MAPfile

PROJECTION
	"proj=aea"
	"lat_0=50"
	"lon_0=-154"
	"lat_1=55"
	"lat_2=65"
	"x_0=0"
	"y_0=0"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0">
	<Layer srs="+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 15021, 'EPSG', 15021, '+proj=aea +lat_0=50 +lon_0=-154 +lat_1=55 +lat_2=65 +x_0=0 +y_0=0', 'PROJECTION["Albers_Conic_Equal_Area"],PARAMETER["latitude_of_center",50],PARAMETER["longitude_of_center",-154],PARAMETER["standard_parallel_1",55],PARAMETER["standard_parallel_2",65],PARAMETER["false_easting",0],PARAMETER["false_northing",0]');