Unit: US survey foot
Geodetic CRS: NAD83(2011)
Datum: NAD83 (National Spatial Reference System 2011)
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: OGP
Information source: San Francisco Enterprise GIS Program, Department of Technology, City and County of San Francisco.
Revision date: 2014-11-18
Scope: Ground coordinate reference system for support of general survey activities, GIS, and for measuring annual and episodic earth movements in and around city and county of San Francisco.
Remarks: Initial definition is metric - see CRS code 6996. Designed for 0.003 ft precision in city and county of San Francisco, adequate for 0.03 ft precision for GIS use in 10-county area.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.
Center coordinates
177689.88652742 118804.23021611
Projected bounds:
-167319.70437255 -247081.19280509
513396.21352207 489061.38921425
WGS84 bounds:
-123.56 36.85
-121.2 38.87
Definition: Well Known Text (WKT)
PROJCS["unnamed", GEOGCS["GRS 1980(IUGG, 1980)", DATUM["unknown", SPHEROID["GRS80",6378137,298.257222101]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",37.75], PARAMETER["central_meridian",-122.45], PARAMETER["scale_factor",1.000007], PARAMETER["false_easting",157480], PARAMETER["false_northing",78740], UNIT["Foot_US",0.3048006096012192], AUTHORITY["epsg","6997"]]
PROJCS["unnamed", GEOGCS["GRS 1980(IUGG, 1980)", DATUM["unknown", SPHEROID["GRS80",6378137,298.257222101]], PRIMEM["Greenwich",0], UNIT["degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",37.75], PARAMETER["central_meridian",-122.45], PARAMETER["scale_factor",1.000007], PARAMETER["false_easting",157480], PARAMETER["false_northing",78740], UNIT["Foot_US",0.3048006096012192], AUTHORITY["epsg","6997"]]
Definition: ESRI WKT
PROJCS["Transverse_Mercator",GEOGCS["GCS_GRS 1980(IUGG, 1980)",DATUM["D_unknown",SPHEROID["GRS80",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007],PARAMETER["false_easting",157480],PARAMETER["false_northing",78740],UNIT["Foot_US",0.30480060960121924]]
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="ogp-crs-6997"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="NAD83(2011) / CCSF-CS13 (ftUS)" code="6165" codeSpace="urn:ogc:def:naming-system:EPSG::7302" /> <epsg:informationSource>San Francisco Enterprise GIS Program, Department of Technology, City and County of San Francisco.</epsg:informationSource> <epsg:revisionDate>2014-11-18</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2014.084" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.037" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>true</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::6997</gml:identifier> <gml:name>NAD83(2011) / San Francisco CS13 (ftUS)</gml:name> <gml:remarks>Initial definition is metric - see CRS code 6996. Designed for 0.003 ft precision in city and county of San Francisco, adequate for 0.03 ft precision for GIS use in 10-county area.</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::4228" /> <gml:scope>Ground coordinate reference system for support of general survey activities, GIS, and for measuring annual and episodic earth movements in and around city and county of San Francisco.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::6995" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::6318" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4497" /> </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="ogp-crs-6997"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="NAD83(2011) / CCSF-CS13 (ftUS)" code="6165" codeSpace="urn:ogc:def:naming-system:EPSG::7302" /> <epsg:informationSource>San Francisco Enterprise GIS Program, Department of Technology, City and County of San Francisco.</epsg:informationSource> <epsg:revisionDate>2014-11-18</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2014.084" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.037" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>true</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::6997</gml:identifier> <gml:name>NAD83(2011) / San Francisco CS13 (ftUS)</gml:name> <gml:remarks>Initial definition is metric - see CRS code 6996. Designed for 0.003 ft precision in city and county of San Francisco, adequate for 0.03 ft precision for GIS use in 10-county area.</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::4228" /> <gml:scope>Ground coordinate reference system for support of general survey activities, GIS, and for measuring annual and episodic earth movements in and around city and county of San Francisco.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::6995" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::6318" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4497" /> </gml:ProjectedCRS>
Definition: XML
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS gml:id="ogrcrs10429" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>unnamed</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:epsg::">6997</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs10430"> <gml:srsName>GRS 1980(IUGG, 1980)</gml:srsName> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs10431"> <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="ogrcrs10432" 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="ogrcrs10433" 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="ogrcrs10434"> <gml:datumName>unknown</gml:datumName> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs10435"> <gml:meridianName>Greenwich</gml:meridianName> <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="ogrcrs10436"> <gml:ellipsoidName>GRS80</gml:ellipsoidName> <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="ogrcrs10437"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">37.75</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">-122.45</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">1.000007</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">48000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">24000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs10438"> <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="ogrcrs10439" 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="ogrcrs10440" 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="ogrcrs10429" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>unnamed</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:epsg::">6997</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs10430"> <gml:srsName>GRS 1980(IUGG, 1980)</gml:srsName> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs10431"> <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="ogrcrs10432" 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="ogrcrs10433" 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="ogrcrs10434"> <gml:datumName>unknown</gml:datumName> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs10435"> <gml:meridianName>Greenwich</gml:meridianName> <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="ogrcrs10436"> <gml:ellipsoidName>GRS80</gml:ellipsoidName> <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="ogrcrs10437"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">37.75</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">-122.45</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">1.000007</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">48000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">24000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs10438"> <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="ogrcrs10439" 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="ogrcrs10440" 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
6997=PROJCS["unnamed",GEOGCS["GRS 1980(IUGG, 1980)",DATUM["unknown",SPHEROID["GRS80",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007],PARAMETER["false_easting",157480],PARAMETER["false_northing",78740],UNIT["Foot_US",0.3048006096012192],AUTHORITY["epsg","6997"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007 +x_0=48000 +y_0=24000 +ellps=GRS80 +units=us-ft +no_defs"> <Layer srs="+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007 +x_0=48000 +y_0=24000 +ellps=GRS80 +units=us-ft +no_defs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6997, 'EPSG', 6997, '+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007 +x_0=48000 +y_0=24000 +ellps=GRS80 +units=us-ft +no_defs ', 'PROJCS["unnamed",GEOGCS["GRS 1980(IUGG, 1980)",DATUM["unknown",SPHEROID["GRS80",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007],PARAMETER["false_easting",157480],PARAMETER["false_northing",78740],UNIT["Foot_US",0.3048006096012192],AUTHORITY["epsg","6997"]]');
Definition: OGC WKT
PROJCS["unnamed",GEOGCS["GRS 1980(IUGG, 1980)",DATUM["unknown",SPHEROID["GRS80",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007],PARAMETER["false_easting",157480],PARAMETER["false_northing",78740],UNIT["Foot_US",0.3048006096012192],AUTHORITY["epsg","6997"]]