Transform coordinates Get position on a map

EPSG:32199

NAD83 / Louisiana Offshore

Covered area powered by MapTiler MapTiler logo

Center coordinates
591299.95 1276212.04

Projected bounds:
-2356826.07 326776.73
2917688.90 2905801.20

WGS84 bounds:
-124.79 24.41
-66.91 49.38

United States (USA) - onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.

Available transformations:

Selected transformation

United States (USA)

code 1515


7 parameters

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Strictly between NAD83 and ITRF96(1997.0). Supersedes NAD83 to WGS 84 (4) (code 1308).

Information source: http://www.ngs.noaa.gov/CORS/Derivation.html

Revision date: 1999-11-05

Attributes

Unit: metre

Geodetic CRS: NAD83

Datum: North American Datum 1983

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: OGP

Information source: OGP

Revision date: 2007-01-19

Scope: Not used in oil industry. Usage for other applications is not known.

Remarks: This system is NOT used for oil industry purposes. State law defines system in US survey feet. See code 3453 for equivalent non-metric definition.

Method: Geocentric translations (geog2D domain)

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

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

MapTiler banner

Definition: Well Known Text (WKT)

PROJCS["NAD83 / Louisiana Offshore",
    GEOGCS["NAD83",
        DATUM["North_American_Datum_1983",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],
            AUTHORITY["EPSG","6269"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4269"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",27.83333333333333],
    PARAMETER["standard_parallel_2",26.16666666666667],
    PARAMETER["latitude_of_origin",25.5],
    PARAMETER["central_meridian",-91.33333333333333],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","32199"]]

PROJCS["NAD83 / Louisiana Offshore",
    GEOGCS["NAD83",
        DATUM["North_American_Datum_1983",
            SPHEROID["GRS 1980",6378137,298.257222101,
                AUTHORITY["EPSG","7019"]],
            TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],
            AUTHORITY["EPSG","6269"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4269"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["standard_parallel_1",27.83333333333333],
    PARAMETER["standard_parallel_2",26.16666666666667],
    PARAMETER["latitude_of_origin",25.5],
    PARAMETER["central_meridian",-91.33333333333333],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["X",EAST],
    AXIS["Y",NORTH],
    AUTHORITY["EPSG","32199"]]

Definition: ESRI WKT

PROJCS["NAD83_Louisiana_Offshore",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["standard_parallel_1",27.83333333333333],PARAMETER["standard_parallel_2",26.16666666666667],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.33333333333333],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["Meter",1]]

Definition: PROJ.4

+proj=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:32199","+proj=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +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="epsg-crs-32199">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>projected</epsg:type>
         <epsg:alias alias="NAD83 / Louisiana Offshore (m)" code="3489" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
         <epsg:alias alias="NAD83 / Louisiana Off m" code="5636" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
         <epsg:informationSource>OGP</epsg:informationSource>
         <epsg:revisionDate>2007-01-19</epsg:revisionDate>
         <epsg:show>true</epsg:show>
         <epsg:isDeprecated>false</epsg:isDeprecated>
      </epsg:CommonMetaData>
   </gml:metaDataProperty>
   <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::32199</gml:identifier>
   <gml:name>NAD83 / Louisiana Offshore</gml:name>
   <gml:remarks>This system is NOT used for oil industry purposes. State law defines system in US survey feet. See code 3453 for equivalent non-metric definition.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1387" />
   <gml:scope>Not used in oil industry. Usage for other applications is not known.</gml:scope>
   <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::11733" />
   <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4269" />
   <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4499" />
</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="epsg-crs-32199">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>projected</epsg:type>
         <epsg:alias alias="NAD83 / Louisiana Offshore (m)" code="3489" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
         <epsg:alias alias="NAD83 / Louisiana Off m" code="5636" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
         <epsg:informationSource>OGP</epsg:informationSource>
         <epsg:revisionDate>2007-01-19</epsg:revisionDate>
         <epsg:show>true</epsg:show>
         <epsg:isDeprecated>false</epsg:isDeprecated>
      </epsg:CommonMetaData>
   </gml:metaDataProperty>
   <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::32199</gml:identifier>
   <gml:name>NAD83 / Louisiana Offshore</gml:name>
   <gml:remarks>This system is NOT used for oil industry purposes. State law defines system in US survey feet. See code 3453 for equivalent non-metric definition.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1387" />
   <gml:scope>Not used in oil industry. Usage for other applications is not known.</gml:scope>
   <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::11733" />
   <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4269" />
   <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4499" />
</gml:ProjectedCRS>

Definition: XML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS gml:id="ogrcrs1615" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>NAD83 / Louisiana Offshore</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">32199</gml:name>
  </gml:srsID>
  <gml:baseCRS>
    <gml:GeographicCRS gml:id="ogrcrs1616">
      <gml:srsName>NAD83</gml:srsName>
      <gml:srsID>
        <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4269</gml:name>
      </gml:srsID>
      <gml:usesEllipsoidalCS>
        <gml:EllipsoidalCS gml:id="ogrcrs1617">
          <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="ogrcrs1618" 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="ogrcrs1619" 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="ogrcrs1620">
          <gml:datumName>North_American_Datum_1983</gml:datumName>
          <gml:datumID>
            <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6269</gml:name>
          </gml:datumID>
          <gml:usesPrimeMeridian>
            <gml:PrimeMeridian gml:id="ogrcrs1621">
              <gml:meridianName>Greenwich</gml:meridianName>
              <gml:meridianID>
                <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8901</gml:name>
              </gml:meridianID>
              <gml:greenwichLongitude>
                <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:angle>
              </gml:greenwichLongitude>
            </gml:PrimeMeridian>
          </gml:usesPrimeMeridian>
          <gml:usesEllipsoid>
            <gml:Ellipsoid gml:id="ogrcrs1622">
              <gml:ellipsoidName>GRS 1980</gml:ellipsoidName>
              <gml:ellipsoidID>
                <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7019</gml:name>
              </gml:ellipsoidID>
              <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378137</gml:semiMajorAxis>
              <gml:secondDefiningParameter>
                <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">298.257222101</gml:inverseFlattening>
              </gml:secondDefiningParameter>
            </gml:Ellipsoid>
          </gml:usesEllipsoid>
        </gml:GeodeticDatum>
      </gml:usesGeodeticDatum>
    </gml:GeographicCRS>
  </gml:baseCRS>
  <gml:definedByConversion>
    <gml:Conversion gml:id="ogrcrs1623" />
  </gml:definedByConversion>
  <gml:usesCartesianCS>
    <gml:CartesianCS gml:id="ogrcrs1624">
      <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="ogrcrs1625" 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="ogrcrs1626" 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="ogrcrs1615" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>NAD83 / Louisiana Offshore</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">32199</gml:name>
  </gml:srsID>
  <gml:baseCRS>
    <gml:GeographicCRS gml:id="ogrcrs1616">
      <gml:srsName>NAD83</gml:srsName>
      <gml:srsID>
        <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4269</gml:name>
      </gml:srsID>
      <gml:usesEllipsoidalCS>
        <gml:EllipsoidalCS gml:id="ogrcrs1617">
          <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="ogrcrs1618" 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="ogrcrs1619" 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="ogrcrs1620">
          <gml:datumName>North_American_Datum_1983</gml:datumName>
          <gml:datumID>
            <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6269</gml:name>
          </gml:datumID>
          <gml:usesPrimeMeridian>
            <gml:PrimeMeridian gml:id="ogrcrs1621">
              <gml:meridianName>Greenwich</gml:meridianName>
              <gml:meridianID>
                <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8901</gml:name>
              </gml:meridianID>
              <gml:greenwichLongitude>
                <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:angle>
              </gml:greenwichLongitude>
            </gml:PrimeMeridian>
          </gml:usesPrimeMeridian>
          <gml:usesEllipsoid>
            <gml:Ellipsoid gml:id="ogrcrs1622">
              <gml:ellipsoidName>GRS 1980</gml:ellipsoidName>
              <gml:ellipsoidID>
                <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7019</gml:name>
              </gml:ellipsoidID>
              <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378137</gml:semiMajorAxis>
              <gml:secondDefiningParameter>
                <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">298.257222101</gml:inverseFlattening>
              </gml:secondDefiningParameter>
            </gml:Ellipsoid>
          </gml:usesEllipsoid>
        </gml:GeodeticDatum>
      </gml:usesGeodeticDatum>
    </gml:GeographicCRS>
  </gml:baseCRS>
  <gml:definedByConversion>
    <gml:Conversion gml:id="ogrcrs1623" />
  </gml:definedByConversion>
  <gml:usesCartesianCS>
    <gml:CartesianCS gml:id="ogrcrs1624">
      <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="ogrcrs1625" 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="ogrcrs1626" 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

32199=PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",27.83333333333333],PARAMETER["standard_parallel_2",26.16666666666667],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.33333333333333],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","32199"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_1=27.83333333333333"
	"lat_2=26.16666666666667"
	"lat_0=25.5"
	"lon_0=-91.33333333333333"
	"x_0=1000000"
	"y_0=0"
	"ellps=GRS80"
	"towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0"
	"units=m"
	"no_defs"
END

Definition: MapServer - Python

wkt = '''PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",27.83333333333333],PARAMETER["standard_parallel_2",26.16666666666667],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.33333333333333],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","32199"]]'''
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=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs">
	<Layer srs="+proj=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs">
	</Layer>
</Map>

Definition: Mapnik - Python

proj4 = '+proj=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +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 ( 32199, 'EPSG', 32199, '+proj=lcc +lat_1=27.83333333333333 +lat_2=26.16666666666667 +lat_0=25.5 +lon_0=-91.33333333333333 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs ', 'PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",27.83333333333333],PARAMETER["standard_parallel_2",26.16666666666667],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.33333333333333],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","32199"]]');

Definition: OGC WKT

PROJCS["NAD83 / Louisiana Offshore",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["standard_parallel_1",27.83333333333333],PARAMETER["standard_parallel_2",26.16666666666667],PARAMETER["latitude_of_origin",25.5],PARAMETER["central_meridian",-91.33333333333333],PARAMETER["false_easting",1000000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","32199"]]

Definition: USGS

[4, 0, (0.0, 0.0, 27049060.0, 26010000.0, -91019060.0, 25030000.0, 1000000.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0), 8]