EPSG:5511

Modified Krovak (Greenwich)

Attributes

Data source: EPSG

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

Revision date: 2011-05-09

Scope: Cadastre, engineering survey, topographic mapping (large and medium scale).

Remarks: Greenwich-based alternative to projection code 5219.

Method: Krovak Modified

Area of use: Czechia.

Description: (0,)

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Definition: OGC Well Known Text

PROJECTION["Krovak_Modified"],
PARAMETER["Latitude of projection centre",49.5],
PARAMETER["Longitude of origin",24.8333333333333],
PARAMETER["Co-latitude of cone axis",30.2881397222222],
PARAMETER["Latitude of pseudo standard parallel",78.5],
PARAMETER["Scale factor on pseudo standard parallel",0.9999],
PARAMETER["False easting",5000000],
PARAMETER["False northing",5000000]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Modified Krovak (Greenwich)",
    METHOD["Krovak Modified",
        ID["EPSG",1042]],
    PARAMETER["Latitude of projection centre",49.5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8811]],
    PARAMETER["Longitude of origin",24.8333333333333,
        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",5511]]

Definition: ESRI Well Known Text

PROJECTION["Krovak_Modified"],
PARAMETER["Latitude of projection centre",49.5],
PARAMETER["Longitude of origin",24.8333333333333],
PARAMETER["Co-latitude of cone axis",30.2881397222222],
PARAMETER["Latitude of pseudo standard parallel",78.5],
PARAMETER["Scale factor on pseudo standard parallel",0.9999],
PARAMETER["False easting",5000000.0],
PARAMETER["False northing",5000000.0]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Modified Krovak (Greenwich)",
    "method": {
        "name": "Krovak Modified",
        "id": {
            "authority": "EPSG",
            "code": 1042
        }
    },
    "parameters": [
        {
            "name": "Latitude of projection centre",
            "value": 49.5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8811
            }
        },
        {
            "name": "Longitude of origin",
            "value": 24.8333333333333,
            "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": 5511
    }
}

Definition: GeoServer

5511=PROJECTION["Krovak_Modified"],PARAMETER["Latitude of projection centre",49.5],PARAMETER["Longitude of origin",24.8333333333333],PARAMETER["Co-latitude of cone axis",30.2881397222222],PARAMETER["Latitude of pseudo standard parallel",78.5],PARAMETER["Scale factor on pseudo standard parallel",0.9999],PARAMETER["False easting",5000000],PARAMETER["False northing",5000000]

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5511, 'EPSG', 5511, 'None', 'PROJECTION["Krovak_Modified"],PARAMETER["Latitude of projection centre",49.5],PARAMETER["Longitude of origin",24.8333333333333],PARAMETER["Co-latitude of cone axis",30.2881397222222],PARAMETER["Latitude of pseudo standard parallel",78.5],PARAMETER["Scale factor on pseudo standard parallel",0.9999],PARAMETER["False easting",5000000],PARAMETER["False northing",5000000]');