EPSG:5220

Modified Krovak East North

Attributes

Data source: EPSG

Information source: Land Survey Office (ZU), Prague. www.cuzk.cz/zu

Revision date: 2023-01-17

Scope: GIS.

Remarks: Longitude is referenced to the Ferro meridian. Replaces Modified Krovak south-orientated projection (code 5219) for GIS purposes.

Method: Krovak Modified (North Orientated)

Area of use: Czechia.

Description: (0,)

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Definition: OGC Well Known Text 2 (2019)

CONVERSION["Modified Krovak East North",
    METHOD["Krovak Modified (North Orientated)",
        ID["EPSG",1043]],
    PARAMETER["Latitude of projection centre",49.5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8811]],
    PARAMETER["Longitude of origin",42.5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8833]],
    PARAMETER["Co-latitude of cone axis",30.2881397222222,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",1036]],
    PARAMETER["Latitude of pseudo standard parallel",78.5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8818]],
    PARAMETER["Scale factor on pseudo standard parallel",0.9999,
        SCALEUNIT["unity",1],
        ID["EPSG",8819]],
    PARAMETER["False easting",5000000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",5000000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",5220]]

Definition: PROJ.4

+proj=mod_krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:5220","+proj=mod_krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Modified Krovak East North",
    "method": {
        "name": "Krovak Modified (North Orientated)",
        "id": {
            "authority": "EPSG",
            "code": 1043
        }
    },
    "parameters": [
        {
            "name": "Latitude of projection centre",
            "value": 49.5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8811
            }
        },
        {
            "name": "Longitude of origin",
            "value": 42.5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8833
            }
        },
        {
            "name": "Co-latitude of cone axis",
            "value": 30.2881397222222,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 1036
            }
        },
        {
            "name": "Latitude of pseudo standard parallel",
            "value": 78.5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8818
            }
        },
        {
            "name": "Scale factor on pseudo standard parallel",
            "value": 0.9999,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8819
            }
        },
        {
            "name": "False easting",
            "value": 5000000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 5000000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 5220
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=mod_krovak"
	"lat_0=49.5"
	"lon_0=42.5"
	"alpha=30.2881397222222"
	"k=0.9999"
	"x_0=5000000"
	"y_0=5000000"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=mod_krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000">
	<Layer srs="+proj=mod_krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5220, 'EPSG', 5220, '+proj=mod_krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000', 'None');