Function Index
==============

[PostgreSQL PostGIS Geometry/Geography/Box Types](https://postgis.net/docs/reference.html#PostGIS_Types)
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* [Geometry](https://postgis.net/docs/Geometry.html)
* [Geography](https://postgis.net/docs/Geography.html)

[Geometry Constructors](https://postgis.net/docs/reference.html#Geometry_Constructors)
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* [ST_Box2dFromGeoHash](https://postgis.net/docs/ST_Box2dFromGeoHash.html)
* [ST_GeogFromText](https://postgis.net/docs/ST_GeogFromText.html)
* [ST_GeographyFromText](https://postgis.net/docs/ST_GeographyFromText.html)
* [ST_GeogFromWKB](https://postgis.net/docs/ST_GeogFromWKB.html)
* [ST_GeomCollFromText](https://postgis.net/docs/ST_GeomCollFromText.html)
* [ST_GeomFromEWKB](https://postgis.net/docs/ST_GeomFromEWKB.html)
* [ST_GeomFromEWKT](https://postgis.net/docs/ST_GeomFromEWKT.html)
* [ST_GeomFromGeoHash](https://postgis.net/docs/ST_GeomFromGeoHash.html)
* [ST_GeomFromGML](https://postgis.net/docs/ST_GeomFromGML.html)
* [ST_GeomFromGeoJSON](https://postgis.net/docs/ST_GeomFromGeoJSON.html)
* [ST_GeomFromKML](https://postgis.net/docs/ST_GeomFromKML.html)
* [ST_GeomFromText](https://postgis.net/docs/ST_GeomFromText.html)
* [ST_GeometryFromText](https://postgis.net/docs/ST_GeometryFromText.html)
* [ST_GeomFromWKB](https://postgis.net/docs/ST_GeomFromWKB.html)
* [ST_LineFromMultiPoint](https://postgis.net/docs/ST_LineFromMultiPoint.html)
* [ST_LineFromText](https://postgis.net/docs/ST_LineFromText.html)
* [ST_LineFromWKB](https://postgis.net/docs/ST_LineFromWKB.html)
* [ST_LinestringFromWKB](https://postgis.net/docs/ST_LinestringFromWKB.html)
* [ST_MakeBox2D](https://postgis.net/docs/ST_MakeBox2D.html)
* [ST_3DMakeBox](https://postgis.net/docs/ST_3DMakeBox.html)
* [ST_MakeBox3D](https://postgis.net/docs/ST_MakeBox3D.html)
* [ST_MakeLine](https://postgis.net/docs/ST_MakeLine.html)
* [ST_MakeEnvelope](https://postgis.net/docs/ST_MakeEnvelope.html)
* [ST_MakePolygon](https://postgis.net/docs/ST_MakePolygon.html)
* [ST_MakePoint](https://postgis.net/docs/ST_MakePoint.html)
* [ST_MakePointM](https://postgis.net/docs/ST_MakePointM.html)
* [ST_MLineFromText](https://postgis.net/docs/ST_MLineFromText.html)
* [ST_MPointFromText](https://postgis.net/docs/ST_MPointFromText.html)
* [ST_MPolyFromText](https://postgis.net/docs/ST_MPolyFromText.html)
* [ST_Point](https://postgis.net/docs/ST_Point.html)
* [ST_PointFromGeoHash](https://postgis.net/docs/ST_PointFromGeoHash.html)
* [ST_PointFromText](https://postgis.net/docs/ST_PointFromText.html)
* [ST_PointFromWKB](https://postgis.net/docs/ST_PointFromWKB.html)
* [ST_Polygon](https://postgis.net/docs/ST_Polygon.html)
* [ST_PolygonFromText](https://postgis.net/docs/ST_PolygonFromText.html)

[Geometry Accessors](https://postgis.net/docs/reference.html#Geometry_Accessors)
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* [GeometryType](https://postgis.net/docs/GeometryType.html)
* [ST_Boundary](https://postgis.net/docs/ST_Boundary.html)
* [ST_CoordDim](https://postgis.net/docs/ST_CoordDim.html)
* [ST_Dimension](https://postgis.net/docs/ST_Dimension.html)
* [ST_EndPoint](https://postgis.net/docs/ST_EndPoint.html)
* [ST_Envelope](https://postgis.net/docs/ST_Envelope.html)
* [ST_ExteriorRing](https://postgis.net/docs/ST_ExteriorRing.html)
* [ST_GeometryN](https://postgis.net/docs/ST_GeometryN.html)
* [ST_GeometryType](https://postgis.net/docs/ST_GeometryType.html)
* [ST_InteriorRingN](https://postgis.net/docs/ST_InteriorRingN.html)
* [ST_IsClosed](https://postgis.net/docs/ST_IsClosed.html)
* [ST_IsCollection](https://postgis.net/docs/ST_IsCollection.html)
* [ST_IsEmpty](https://postgis.net/docs/ST_IsEmpty.html)
* [ST_IsRing](https://postgis.net/docs/ST_IsRing.html)
* [ST_IsSimple](https://postgis.net/docs/ST_IsSimple.html)
* [ST_IsValid](https://postgis.net/docs/ST_IsValid.html)
* [ST_IsValidReason](https://postgis.net/docs/ST_IsValidReason.html)
* [ST_IsValidDetail](https://postgis.net/docs/ST_IsValidDetail.html)
* [ST_M](https://postgis.net/docs/ST_M.html)
* [ST_NDims](https://postgis.net/docs/ST_NDims.html)
* [ST_NPoints](https://postgis.net/docs/ST_NPoints.html)
* [ST_NRings](https://postgis.net/docs/ST_NRings.html)
* [ST_NumGeometries](https://postgis.net/docs/ST_NumGeometries.html)
* [ST_NumInteriorRings](https://postgis.net/docs/ST_NumInteriorRings.html)
* [ST_NumInteriorRing](https://postgis.net/docs/ST_NumInteriorRing.html)
* [ST_NumPatches](https://postgis.net/docs/ST_NumPatches.html)
* [ST_NumPoints](https://postgis.net/docs/ST_NumPoints.html)
* [ST_PatchN](https://postgis.net/docs/ST_PatchN.html)
* [ST_PointN](https://postgis.net/docs/ST_PointN.html)
* [ST_SRID](https://postgis.net/docs/ST_SRID.html)
* [ST_StartPoint](https://postgis.net/docs/ST_StartPoint.html)
* [ST_Summary](https://postgis.net/docs/ST_Summary.html)
* [ST_X](https://postgis.net/docs/ST_X.html)
* [ST_XMax](https://postgis.net/docs/ST_XMax.html)
* [ST_XMin](https://postgis.net/docs/ST_XMin.html)
* [ST_Y](https://postgis.net/docs/ST_Y.html)
* [ST_YMax](https://postgis.net/docs/ST_YMax.html)
* [ST_YMin](https://postgis.net/docs/ST_YMin.html)
* [ST_Z](https://postgis.net/docs/ST_Z.html)
* [ST_ZMax](https://postgis.net/docs/ST_ZMax.html)
* [ST_Zmflag](https://postgis.net/docs/ST_Zmflag.html)
* [ST_ZMin](https://postgis.net/docs/ST_ZMin.html)

[Geometry Editors](https://postgis.net/docs/reference.html#Geometry_Editors)
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* [ST_AddPoint](https://postgis.net/docs/ST_AddPoint.html)
* [ST_Multi](https://postgis.net/docs/ST_Multi.html)
* [ST_Scale](https://postgis.net/docs/ST_Scale.html)
* [ST_SetSRID](https://postgis.net/docs/ST_SetSRID.html)
* [ST_SnapToGrid](https://postgis.net/docs/ST_SnapToGrid.html)
* [ST_Transform](https://postgis.net/docs/ST_Transform.html)
* [ST_Translate](https://postgis.net/docs/ST_Translate.html)
* [ST_TransScale](https://postgis.net/docs/ST_TransScale.html)

[Geometry Outputs](https://postgis.net/docs/reference.html#Geometry_Outputs)
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* [ST_AsBinary](https://postgis.net/docs/ST_AsBinary.html)
* [ST_AsEWKB](https://postgis.net/docs/ST_AsEWKB.html)
* [ST_AsEWKT](https://postgis.net/docs/ST_AsEWKT.html)
* [ST_AsGeoJSON](https://postgis.net/docs/ST_AsGeoJSON.html)
* [ST_AsGML](https://postgis.net/docs/ST_AsGML.html)
* [ST_AsHEXEWKB](https://postgis.net/docs/ST_AsHEXEWKB.html)
* [ST_AsKML](https://postgis.net/docs/ST_AsKML.html)
* [ST_AsSVG](https://postgis.net/docs/ST_AsSVG.html)
* [ST_GeoHash](https://postgis.net/docs/ST_GeoHash.html)
* [ST_AsLatLonText](https://postgis.net/docs/ST_AsLatLonText.html)
* [ST_AsText](https://postgis.net/docs/ST_AsText.html)

[Spatial Relationships and Measurements](https://postgis.net/docs/reference.html#Spatial_Relationships_Measurements)
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* [ST_3DClosestPoint](https://postgis.net/docs/ST_3DClosestPoint.html)
* [ST_3DDistance](https://postgis.net/docs/ST_3DDistance.html)
* [ST_3DDWithin](https://postgis.net/docs/ST_3DDWithin.html)
* [ST_3DDFullyWithin](https://postgis.net/docs/ST_3DDFullyWithin.html)
* [ST_3DIntersects](https://postgis.net/docs/ST_3DIntersects.html)
* [ST_3DLongestLine](https://postgis.net/docs/ST_3DLongestLine.html)
* [ST_3DMaxDistance](https://postgis.net/docs/ST_3DMaxDistance.html)
* [ST_3DShortestLine](https://postgis.net/docs/ST_3DShortestLine.html)
* [ST_Area](https://postgis.net/docs/ST_Area.html)
* [ST_Azimuth](https://postgis.net/docs/ST_Azimuth.html)
* [ST_Centroid](https://postgis.net/docs/ST_Centroid.html)
* [ST_ClosestPoint](https://postgis.net/docs/ST_ClosestPoint.html)
* [ST_Contains](https://postgis.net/docs/ST_Contains.html)
* [ST_ContainsProperly](https://postgis.net/docs/ST_ContainsProperly.html)
* [ST_Covers](https://postgis.net/docs/ST_Covers.html)
* [ST_CoveredBy](https://postgis.net/docs/ST_CoveredBy.html)
* [ST_Crosses](https://postgis.net/docs/ST_Crosses.html)
* [ST_LineCrossingDirection](https://postgis.net/docs/ST_LineCrossingDirection.html)
* [ST_Disjoint](https://postgis.net/docs/ST_Disjoint.html)
* [ST_Distance](https://postgis.net/docs/ST_Distance.html)
* [ST_HausdorffDistance](https://postgis.net/docs/ST_HausdorffDistance.html)
* [ST_MaxDistance](https://postgis.net/docs/ST_MaxDistance.html)
* [ST_Distance_Sphere](https://postgis.net/docs/ST_Distance_Sphere.html)
* [ST_DistanceSphere](https://postgis.net/docs/ST_DistanceSphere.html)
* [ST_Distance_Spheroid](https://postgis.net/docs/ST_Distance_Spheroid.html)
* [ST_DistanceSpheroid](https://postgis.net/docs/ST_DistanceSpheroid.html)
* [ST_DFullyWithin](https://postgis.net/docs/ST_DFullyWithin.html)
* [ST_DWithin](https://postgis.net/docs/ST_DWithin.html)
* [ST_Equals](https://postgis.net/docs/ST_Equals.html)
* [ST_HasArc](https://postgis.net/docs/ST_HasArc.html)
* [ST_Intersects](https://postgis.net/docs/ST_Intersects.html)
* [ST_Length](https://postgis.net/docs/ST_Length.html)
* [ST_3DLength](https://postgis.net/docs/ST_3DLength.html)
* [ST_Length3D](https://postgis.net/docs/ST_Length3D.html)
* [ST_Length_Spheroid](https://postgis.net/docs/ST_Length_Spheroid.html)
* [ST_LengthSpheroid](https://postgis.net/docs/ST_LengthSpheroid.html)
* [ST_Length2D_Spheroid](https://postgis.net/docs/ST_Length2D_Spheroid.html)
* [ST_LongestLine](https://postgis.net/docs/ST_LongestLine.html)
* [ST_OrderingEquals](https://postgis.net/docs/ST_OrderingEquals.html)
* [ST_Overlaps](https://postgis.net/docs/ST_Overlaps.html)
* [ST_Perimeter](https://postgis.net/docs/ST_Perimeter.html)
* [ST_PointOnSurface](https://postgis.net/docs/ST_PointOnSurface.html)
* [ST_Project](https://postgis.net/docs/ST_Project.html)
* [ST_Relate](https://postgis.net/docs/ST_Relate.html)
* [ST_ShortestLine](https://postgis.net/docs/ST_ShortestLine.html)
* [ST_Touches](https://postgis.net/docs/ST_Touches.html)
* [ST_Within](https://postgis.net/docs/ST_Within.html)

[Geometry Processing](https://postgis.net/docs/reference.html#Geometry_Processing)
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* [ST_Buffer](https://postgis.net/docs/ST_Buffer.html)
* [ST_Collect](https://postgis.net/docs/ST_Collect.html)
* [ST_Difference](https://postgis.net/docs/ST_Difference.html)
* [ST_FlipCoordinates](https://postgis.net/docs/ST_FlipCoordinates.html)
* [ST_Intersection](https://postgis.net/docs/ST_Intersection.html)
* [ST_MinimumBoundingCircle](https://postgis.net/docs/ST_MinimumBoundingCircle.html)
* [ST_Shift_Longitude](https://postgis.net/docs/ST_Shift_Longitude.html)
* [ST_Split](https://postgis.net/docs/ST_Split.html)
* [ST_SymDifference](https://postgis.net/docs/ST_SymDifference.html)
* [ST_Union](https://postgis.net/docs/ST_Union.html)

[Miscellaneous Functions](https://postgis.net/docs/reference.html#Miscellaneous_Functions)
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* [ST_Extent](https://postgis.net/docs/ST_Extent.html)