EPSG:19952

Krovak

Attributes

Data source: EPSG

Information source: Research Institute for Geodesy Topography and Cartography (VUGTK), Prague; and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).

Revision date: 2018-02-16

Scope: Engineering survey, topographic mapping.

Remarks: Original definition. Longitude is referenced to the Ferro meridian. See projection code 5509 for alternative referenced to the Greenwich meridian and code 5218 for north-orientated alternative introduced for GIS purposes.

Method: Krovak

Area of use: Czechia; Slovakia.

Description: (0,)

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Czechia; Slovakia.

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Definition: OGC Well Known Text

PROJECTION["Krovak"],
PARAMETER["latitude_of_center",49.5],
PARAMETER["longitude_of_center",42.5],
PARAMETER["azimuth",30.2881397527778],
PARAMETER["pseudo_standard_parallel_1",78.5],
PARAMETER["scale_factor",0.9999],
PARAMETER["false_easting",0],
PARAMETER["false_northing",0]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Krovak",
    METHOD["Krovak",
        ID["EPSG",9819]],
    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",30.2881397527778,
        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",0,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",0,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",19952]]

Definition: ESRI Well Known Text

PROJECTION["Krovak"],
PARAMETER["False_Easting",0.0],
PARAMETER["False_Northing",0.0],
PARAMETER["Pseudo_Standard_Parallel_1",78.5],
PARAMETER["Scale_Factor",0.9999],
PARAMETER["Azimuth",30.2881397527778],
PARAMETER["Longitude_Of_Center",42.5],
PARAMETER["Latitude_Of_Center",49.5],
PARAMETER["X_Scale",1.0],
PARAMETER["Y_Scale",1.0],
PARAMETER["XY_Plane_Rotation",0.0]

Definition: PROJ.4

+proj=krovak +axis=swu +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:19952","+proj=krovak +axis=swu +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Krovak",
    "method": {
        "name": "Krovak",
        "id": {
            "authority": "EPSG",
            "code": 9819
        }
    },
    "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": 30.2881397527778,
            "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": 0,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 0,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 19952
    }
}

Definition: GeoServer

19952=PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.2881397527778],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0]

Definition: MapServer - MAPfile

PROJECTION
	"proj=krovak"
	"axis=swu"
	"lat_0=49.5"
	"lon_0=42.5"
	"alpha=30.2881397527778"
	"k=0.9999"
	"x_0=0"
	"y_0=0"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=krovak +axis=swu +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0">
	<Layer srs="+proj=krovak +axis=swu +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19952, 'EPSG', 19952, '+proj=krovak +axis=swu +lat_0=49.5 +lon_0=42.5 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0', 'PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.2881397527778],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0]');