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Haskell guide PostGIS Manual Function ST Point geometry ST PointFromText ST PointFromWKB ST PointN ST PointOnSurface STPointInside Circle ST Polygon ST PolygonFromText ST Polygonize ST Relate ST RemovePoint ST Reverse ST Rotate ST RotateX ST RotateY ST Ro

PostGIS Manual Function ST Point geometry ST PointFromText ST PointFromWKB ST PointN ST PointOnSurface STPointInside Circle ST Polygon ST PolygonFromText ST Polygonize ST Relate ST RemovePoint ST Reverse ST Rotate ST RotateX ST RotateY ST RotateZ ST SRID ST Scale ST Segmentize ST SetPoint ST SetSRID STShiftLongitude ST ShortestLine ST Simplify ST SimplifyPreserveTopology ST SnapToGrid ST StartPoint ST Summary ST SymDi ?erence ST Touches ST TransScale ST Transform ST Translate ST Union geography D D Curves SQL MM CPostGIS Manual Function STWKBToSQL STWKTToSQL STWithin STX STXMax STXMin STY STYMax STYMin STZ STZMax STZMin ST Zm ag geometry geography D D Curves SQL MM New PostGIS Functions PostGIS Functions new behavior changed or enhanced in The functions given below are PostGIS functions that were introduced or enhanced in this major release ? PostGISLibXMLVersion - Availability Returns the version number of the libxml library ? STAddMeasure - Availability Return a derived geometry with measure elements linearly interpolated between the start and end points If the geometry has no measure dimension one is added If the geometry has a measure dimension it is over-written with new values Only LINESTRINGS and MULTILINESTRINGS are supported ? STAsBinary - Availability geography support was introduced Return the Well-Known Binary WKB representation of the geometry geography without SRID meta data ? STAsGeoJSON - Availability geography support was introduced Return the geometry as a GeoJSON element ? STAsText - Availability - support for geography was introduced Return the Well-Known Text WKT representation of the geometry geography without SRID metadata ? STBu ?er - Availability - STBu ?er was enhanced to support di ?erent endcaps and join types These are useful for example to convert road linestrings into polygon roads with at or square edges instead of rounded edges Thin wrapper for geography was added - requires GEOS to take advantage of advanced geometry functionality T For geometry Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance Calculations are in the Spatial Reference System of this Geometry For geography Uses a planar transform wrapper Introduced in support for di ?erent end cap and mitre settings to control shape bu ?erstyle options quadsegs endcap round at square join round mitre bevel ? STClosestPoint - Availability Returns the -dimensional point on g that is closest to g This is the ?rst point of the shortest line ? STCollectionExtract - Availability Given a GEOMETRYCOLLECTION returns a MULTI geometry consisting only of the speci ?ed type Sub-geometries that are not the speci ?ed type are ignored If there are no sub-geometries of the right type an EMPTY collection will be returned Only points lines and polygons are supported Type numbers are POINT LINESTRING POLYGON C