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EPSG:2065

S-JTSK (Ferro) / Krovak

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Center coordinates
-671683.62 -1082296.13

Projected bounds:
-935721.25 -1183028.76
-418605.12 -969115.44

WGS84 bounds:
12.09 48.58
18.86 51.06

Czech Republic.

Available transformations:

Selected transformation

Czech Republic.

code 8642


grid file

Remarks: Replaced by S-JTSK (Ferro) to WGS 84 (3) (code 5242) in 2009.

Information source: OGP

Revision date: 2010-11-02

Steps of transformation: 1884 1623

Attributes

Unit: metre

Geodetic CRS: S-JTSK (Ferro)

Datum: System of the Unified Trigonometrical Cadastral Network (Ferro)

Ellipsoid: Bessel 1841

Prime meridian: Ferro (['Ferro', 17.666666666667] degree from Greenwich)

Data source: OGP

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

Steps of transformation: 1884 1623

Scope: Cadastral survey in Czech Republic.

Remarks: Original definition. In CZ, remains legal system for cadastre, but for non-cadastral purposes replaced by S-JTSK/05 (Ferro) / Modified Krovak (CRS code 5224). In SK, deprecated and replaced by Greenwich-meridian equivalent CRS code 5513.

Area of use: Czech Republic; Slovakia.

Coordinate system: Cartesian 2D CS. Axes: southing, westing (X,Y). Orientations: south, west. UoM: m.

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Definition: Well Known Text (WKT)

PROJCS["S-JTSK (Ferro) / Krovak",
    GEOGCS["S-JTSK (Ferro)",
        DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",
            SPHEROID["Bessel 1841",6377397.155,299.1528128,
                AUTHORITY["EPSG","7004"]],
            TOWGS84[589,76,480,0,0,0,0],
            AUTHORITY["EPSG","6818"]],
        PRIMEM["Ferro",-17.66666666666667,
            AUTHORITY["EPSG","8909"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4818"]],
    PROJECTION["Krovak"],
    PARAMETER["latitude_of_center",49.5],
    PARAMETER["longitude_of_center",42.5],
    PARAMETER["azimuth",30.28813972222222],
    PARAMETER["pseudo_standard_parallel_1",78.5],
    PARAMETER["scale_factor",0.9999],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",SOUTH],
    AXIS["Y",WEST],
    AUTHORITY["EPSG","2065"]]

PROJCS["S-JTSK (Ferro) / Krovak",
    GEOGCS["S-JTSK (Ferro)",
        DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",
            SPHEROID["Bessel 1841",6377397.155,299.1528128,
                AUTHORITY["EPSG","7004"]],
            TOWGS84[589,76,480,0,0,0,0],
            AUTHORITY["EPSG","6818"]],
        PRIMEM["Ferro",-17.66666666666667,
            AUTHORITY["EPSG","8909"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4818"]],
    PROJECTION["Krovak"],
    PARAMETER["latitude_of_center",49.5],
    PARAMETER["longitude_of_center",42.5],
    PARAMETER["azimuth",30.28813972222222],
    PARAMETER["pseudo_standard_parallel_1",78.5],
    PARAMETER["scale_factor",0.9999],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",SOUTH],
    AXIS["Y",WEST],
    AUTHORITY["EPSG","2065"]]

Definition: ESRI WKT

PROJCS["S_JTSK_Ferro_Krovak",GEOGCS["GCS_S-JTSK (Ferro)",DATUM["D_S_JTSK",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Ferro",-17.66666666666667],UNIT["Degree",0.017453292519943295]],PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.28813972222222],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["Meter",1]]

Definition: PROJ.4

+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:2065","+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs");

Definition: OGC GML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-crs-2065">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>projected</epsg:type>
      <epsg:alias alias="CZ_S-JTSK / KROVAK" code="2860" codeSpace="urn:ogc:def:naming-system:EPSG::7307">
        <epsg:remarks>The EuroGeographics projection description differs from that given here but is equivalent.</epsg:remarks>
      </epsg:alias>
      <epsg:alias alias="SK_S-JTSK / KROVAK" code="2861" codeSpace="urn:ogc:def:naming-system:EPSG::7307">
        <epsg:remarks>The EuroGeographics projection description differs from that given here but is equivalent.</epsg:remarks>
      </epsg:alias>
      <epsg:informationSource>Research Institute for Geodesy Topography and Cartography (VUGTK); Prague, and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).</epsg:informationSource>
      <epsg:revisionDate>2018-02-16</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2010.071" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2011.039" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.037" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:crs:EPSG::2065</gml:identifier>
  <gml:name>S-JTSK (Ferro) / Krovak</gml:name>
  <gml:remarks>Original definition. In CZ, remains legal system for cadastre, but for non-cadastral purposes replaced by S-JTSK/05 (Ferro) / Modified Krovak (CRS code 5224). In SK, deprecated and replaced by Greenwich-meridian equivalent CRS code 5513.</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1306" />
  <gml:scope>Cadastral survey in Czech Republic.</gml:scope>
  <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::19952" />
  <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4818" />
  <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6501" />
</gml:ProjectedCRS>

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-crs-2065">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>projected</epsg:type>
      <epsg:alias alias="CZ_S-JTSK / KROVAK" code="2860" codeSpace="urn:ogc:def:naming-system:EPSG::7307">
        <epsg:remarks>The EuroGeographics projection description differs from that given here but is equivalent.</epsg:remarks>
      </epsg:alias>
      <epsg:alias alias="SK_S-JTSK / KROVAK" code="2861" codeSpace="urn:ogc:def:naming-system:EPSG::7307">
        <epsg:remarks>The EuroGeographics projection description differs from that given here but is equivalent.</epsg:remarks>
      </epsg:alias>
      <epsg:informationSource>Research Institute for Geodesy Topography and Cartography (VUGTK); Prague, and Geodesy, Cartography and Cadastre Authority of Slovak Republic (UGKK SR).</epsg:informationSource>
      <epsg:revisionDate>2018-02-16</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2010.071" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2011.039" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.037" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:crs:EPSG::2065</gml:identifier>
  <gml:name>S-JTSK (Ferro) / Krovak</gml:name>
  <gml:remarks>Original definition. In CZ, remains legal system for cadastre, but for non-cadastral purposes replaced by S-JTSK/05 (Ferro) / Modified Krovak (CRS code 5224). In SK, deprecated and replaced by Greenwich-meridian equivalent CRS code 5513.</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1306" />
  <gml:scope>Cadastral survey in Czech Republic.</gml:scope>
  <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::19952" />
  <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4818" />
  <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6501" />
</gml:ProjectedCRS>

Definition: XML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS gml:id="ogrcrs243095" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>S-JTSK (Ferro) / Krovak</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">2065</gml:name>
  </gml:srsID>
  <gml:baseCRS>
    <gml:GeographicCRS gml:id="ogrcrs243096">
      <gml:srsName>S-JTSK (Ferro)</gml:srsName>
      <gml:srsID>
        <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4818</gml:name>
      </gml:srsID>
      <gml:usesEllipsoidalCS>
        <gml:EllipsoidalCS gml:id="ogrcrs243097">
          <gml:csName>ellipsoidal</gml:csName>
          <gml:csID>
            <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">6402</gml:name>
          </gml:csID>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs243098" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic latitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9901</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lat</gml:axisAbbrev>
              <gml:axisDirection>north</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs243099" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic longitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9902</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lon</gml:axisAbbrev>
              <gml:axisDirection>east</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
        </gml:EllipsoidalCS>
      </gml:usesEllipsoidalCS>
      <gml:usesGeodeticDatum>
        <gml:GeodeticDatum gml:id="ogrcrs243100">
          <gml:datumName>System_Jednotne_Trigonometricke_Site_Katastralni_Ferro</gml:datumName>
          <gml:datumID>
            <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6818</gml:name>
          </gml:datumID>
          <gml:usesPrimeMeridian>
            <gml:PrimeMeridian gml:id="ogrcrs243101">
              <gml:meridianName>Ferro</gml:meridianName>
              <gml:meridianID>
                <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8909</gml:name>
              </gml:meridianID>
              <gml:greenwichLongitude>
                <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">-17.66666666666667</gml:angle>
              </gml:greenwichLongitude>
            </gml:PrimeMeridian>
          </gml:usesPrimeMeridian>
          <gml:usesEllipsoid>
            <gml:Ellipsoid gml:id="ogrcrs243102">
              <gml:ellipsoidName>Bessel 1841</gml:ellipsoidName>
              <gml:ellipsoidID>
                <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7004</gml:name>
              </gml:ellipsoidID>
              <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6377397.155</gml:semiMajorAxis>
              <gml:secondDefiningParameter>
                <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">299.1528128</gml:inverseFlattening>
              </gml:secondDefiningParameter>
            </gml:Ellipsoid>
          </gml:usesEllipsoid>
        </gml:GeodeticDatum>
      </gml:usesGeodeticDatum>
    </gml:GeographicCRS>
  </gml:baseCRS>
  <gml:definedByConversion>
    <gml:Conversion gml:id="ogrcrs243103" />
  </gml:definedByConversion>
  <gml:usesCartesianCS>
    <gml:CartesianCS gml:id="ogrcrs243104">
      <gml:csName>Cartesian</gml:csName>
      <gml:csID>
        <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">4400</gml:name>
      </gml:csID>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs243105" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Easting</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9906</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>E</gml:axisAbbrev>
          <gml:axisDirection>east</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs243106" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Northing</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9907</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>N</gml:axisAbbrev>
          <gml:axisDirection>north</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
    </gml:CartesianCS>
  </gml:usesCartesianCS>
</gml:ProjectedCRS>

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS gml:id="ogrcrs243095" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>S-JTSK (Ferro) / Krovak</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">2065</gml:name>
  </gml:srsID>
  <gml:baseCRS>
    <gml:GeographicCRS gml:id="ogrcrs243096">
      <gml:srsName>S-JTSK (Ferro)</gml:srsName>
      <gml:srsID>
        <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4818</gml:name>
      </gml:srsID>
      <gml:usesEllipsoidalCS>
        <gml:EllipsoidalCS gml:id="ogrcrs243097">
          <gml:csName>ellipsoidal</gml:csName>
          <gml:csID>
            <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">6402</gml:name>
          </gml:csID>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs243098" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic latitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9901</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lat</gml:axisAbbrev>
              <gml:axisDirection>north</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs243099" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic longitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9902</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lon</gml:axisAbbrev>
              <gml:axisDirection>east</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
        </gml:EllipsoidalCS>
      </gml:usesEllipsoidalCS>
      <gml:usesGeodeticDatum>
        <gml:GeodeticDatum gml:id="ogrcrs243100">
          <gml:datumName>System_Jednotne_Trigonometricke_Site_Katastralni_Ferro</gml:datumName>
          <gml:datumID>
            <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6818</gml:name>
          </gml:datumID>
          <gml:usesPrimeMeridian>
            <gml:PrimeMeridian gml:id="ogrcrs243101">
              <gml:meridianName>Ferro</gml:meridianName>
              <gml:meridianID>
                <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8909</gml:name>
              </gml:meridianID>
              <gml:greenwichLongitude>
                <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">-17.66666666666667</gml:angle>
              </gml:greenwichLongitude>
            </gml:PrimeMeridian>
          </gml:usesPrimeMeridian>
          <gml:usesEllipsoid>
            <gml:Ellipsoid gml:id="ogrcrs243102">
              <gml:ellipsoidName>Bessel 1841</gml:ellipsoidName>
              <gml:ellipsoidID>
                <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7004</gml:name>
              </gml:ellipsoidID>
              <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6377397.155</gml:semiMajorAxis>
              <gml:secondDefiningParameter>
                <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">299.1528128</gml:inverseFlattening>
              </gml:secondDefiningParameter>
            </gml:Ellipsoid>
          </gml:usesEllipsoid>
        </gml:GeodeticDatum>
      </gml:usesGeodeticDatum>
    </gml:GeographicCRS>
  </gml:baseCRS>
  <gml:definedByConversion>
    <gml:Conversion gml:id="ogrcrs243103" />
  </gml:definedByConversion>
  <gml:usesCartesianCS>
    <gml:CartesianCS gml:id="ogrcrs243104">
      <gml:csName>Cartesian</gml:csName>
      <gml:csID>
        <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">4400</gml:name>
      </gml:csID>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs243105" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Easting</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9906</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>E</gml:axisAbbrev>
          <gml:axisDirection>east</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs243106" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Northing</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9907</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>N</gml:axisAbbrev>
          <gml:axisDirection>north</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
    </gml:CartesianCS>
  </gml:usesCartesianCS>
</gml:ProjectedCRS>

Definition: GeoServer

2065=PROJCS["S-JTSK (Ferro) / Krovak",GEOGCS["S-JTSK (Ferro)",DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],TOWGS84[589,76,480,0,0,0,0],AUTHORITY["EPSG","6818"]],PRIMEM["Ferro",-17.66666666666667,AUTHORITY["EPSG","8909"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4818"]],PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.28813972222222],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",SOUTH],AXIS["Y",WEST],AUTHORITY["EPSG","2065"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=krovak"
	"lat_0=49.5"
	"lon_0=42.5"
	"alpha=30.28813972222222"
	"k=0.9999"
	"x_0=0"
	"y_0=0"
	"ellps=bessel"
	"towgs84=589,76,480,0,0,0,0"
	"pm=ferro"
	"units=m"
	"no_defs"
END

Definition: MapServer - Python

wkt = '''PROJCS["S-JTSK (Ferro) / Krovak",GEOGCS["S-JTSK (Ferro)",DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],TOWGS84[589,76,480,0,0,0,0],AUTHORITY["EPSG","6818"]],PRIMEM["Ferro",-17.66666666666667,AUTHORITY["EPSG","8909"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4818"]],PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.28813972222222],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",SOUTH],AXIS["Y",WEST],AUTHORITY["EPSG","2065"]]'''
m = mapObj('')
m.setWKTProjection(ref.ExportToWkt())
lyr = layerObj(m)
lyr.setWKTProjection(ref.ExportToWkt())

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs">
	<Layer srs="+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs">
	</Layer>
</Map>

Definition: Mapnik - Python

proj4 = '+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs'
m = Map(256,256,proj4)
lyr = Layer('Name',proj4)

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2065, 'EPSG', 2065, '+proj=krovak +lat_0=49.5 +lon_0=42.5 +alpha=30.28813972222222 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=589,76,480,0,0,0,0 +pm=ferro +units=m +no_defs ', 'PROJCS["S-JTSK (Ferro) / Krovak",GEOGCS["S-JTSK (Ferro)",DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],TOWGS84[589,76,480,0,0,0,0],AUTHORITY["EPSG","6818"]],PRIMEM["Ferro",-17.66666666666667,AUTHORITY["EPSG","8909"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4818"]],PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.28813972222222],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",SOUTH],AXIS["Y",WEST],AUTHORITY["EPSG","2065"]]');

Definition: OGC WKT

PROJCS["S-JTSK (Ferro) / Krovak",GEOGCS["S-JTSK (Ferro)",DATUM["System_Jednotne_Trigonometricke_Site_Katastralni_Ferro",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],TOWGS84[589,76,480,0,0,0,0],AUTHORITY["EPSG","6818"]],PRIMEM["Ferro",-17.66666666666667,AUTHORITY["EPSG","8909"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4818"]],PROJECTION["Krovak"],PARAMETER["latitude_of_center",49.5],PARAMETER["longitude_of_center",42.5],PARAMETER["azimuth",30.28813972222222],PARAMETER["pseudo_standard_parallel_1",78.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",SOUTH],AXIS["Y",WEST],AUTHORITY["EPSG","2065"]]