ST_MultiCurve type

An ST_MultiCurve is a collection of zero or more ST_Curve values, and all of the curves are within the spatial reference system.

Syntax

ST_MultiCurve type

Members

All members of the ST_MultiCurve type, including all inherited members.

Members of ST_MultiCurve:

ST_MultiCurve( ST_Curve , ST_Curve ) – Constructs a multi-curve from a list of curve values.
ST_MultiCurve() – Constructs a multi curve representing the empty set.
ST_MultiCurve(LONG BINARY[, INT]) – Constructs a multi curve from Well Known Binary (WKB).
ST_MultiCurve(LONG VARCHAR[, INT]) – Constructs a multi curve from a text representation.
ST_IsClosed() – Tests if the ST_MultiCurve value is closed. A curve is closed if the start and end points are coincident. A multicurve is closed if it is non-empty and has an empty boundary.
ST_Length(VARCHAR(128)) – Returns the length measurement of the ST_MultiCurve value. The result is measured in the units specified by the parameter.
ST_MultiCurveAggr( ST_Curve ) – Returns a multicurve containing all of the curves in a group.

Members of ST_GeomCollection:

ST_GeomCollection( ST_Geometry , ST_Geometry ) – Constructs a geometry collection from a list of geometry values.
ST_GeomCollection() – Constructs a geometry collection representing the empty set.
ST_GeomCollection(LONG BINARY[, INT]) – Constructs a geometry collection from Well Known Binary (WKB).
ST_GeomCollection(LONG VARCHAR[, INT]) – Constructs a geometry collection from a text representation.
ST_GeomCollectionAggr( ST_Geometry ) – Returns a geometry collection containing all of the geometries in a group.
ST_GeometryN(INT) – Returns the nth geometry in the geometry collection.
ST_NumGeometries() – Returns the number of geometries contained in the geometry collection.

Members of ST_Geometry:

ST_Affine(DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE, DOUBLE) – Returns a new geometry that is the result of applying the specified 3-D affine transformation.
ST_AsBinary(VARCHAR(128)) – Returns the WKB representation of an ST_Geometry value.
ST_AsBitmap(INT, INT, ST_Point , ST_Point , VARCHAR(128)) – Returns a LONG VARBIT that is a bitmap representing a geometry value.
ST_AsGeoJSON(VARCHAR(128)) – Returns a string representing a geometry in JSON format.
ST_AsGML(VARCHAR(128)) – Returns the GML representation of an ST_Geometry value.
ST_AsKML(VARCHAR(128)) – Returns the KML representation of an ST_Geometry value.
ST_AsSVG(VARCHAR(128)) – Returns an SVG figure representing a geometry value.
ST_AsSVGAggr( ST_Geometry , VARCHAR(128)) – Returns a complete or partial SVG document which renders the geometries in a group.
ST_AsText(VARCHAR(128)) – Returns the text representation of an ST_Geometry value.
ST_AsWKB(VARCHAR(128)) – Returns the WKB representation of an ST_Geometry value.
ST_AsWKT(VARCHAR(128)) – Returns the WKT representation of an ST_Geometry value.
ST_AsXML(VARCHAR(128)) – Returns the XML representation of an ST_Geometry value.
ST_Boundary() – Returns the boundary of the geometry value.
ST_Buffer(DOUBLE, VARCHAR(128)) – Returns the ST_Geometry value that represents all points whose distance from any point of an ST_Geometry value is less than or equal to a specified distance in the given units.
ST_Contains( ST_Geometry ) – Tests if a geometry value spatially contains another geometry value.
ST_ContainsFilter( ST_Geometry ) – An inexpensive test if a geometry might contain another.
ST_ConvexHull() – Returns the convex hull of the geometry value.
ST_ConvexHullAggr( ST_Geometry ) – Returns the convex hull for all of the geometries in a group
ST_CoordDim() – Returns the number of coordinate dimensions stored with each point of the ST_Geometry value.
ST_CoveredBy( ST_Geometry ) – Tests if a geometry value is spatially covered by another geometry value.
ST_CoveredByFilter( ST_Geometry ) – An inexpensive test if a geometry might be covered by another.
ST_Covers( ST_Geometry ) – Tests if a geometry value spatially covers another geometry value.
ST_CoversFilter( ST_Geometry ) – An inexpensive test if a geometry might cover another.
ST_Crosses( ST_Geometry ) – Tests if a geometry value crosses another geometry value.
ST_Debug(VARCHAR(128)) – Returns a LONG BINARY that is debug information for the object.
ST_Difference( ST_Geometry ) – Returns the geometry value that represents the point set difference of two geometries.
ST_Dimension() – Returns the dimension of the ST_Geometry value. Points have dimension 0, lines have dimension 1, and surfaces have dimension 2. Any empty geometry has dimension -1.
ST_Disjoint( ST_Geometry ) – Test if a geometry value is spatially disjoint from another value.
ST_Distance( ST_Geometry , VARCHAR(128)) – Returns the smallest distance between the geometry-expression and the specified geometry value.
ST_Distance_Spheroid( ST_Geometry , VARCHAR(128)) – Calculates the linear distance between geometries on the surface of the Earth.
ST_Envelope() – Returns the bounding rectangle for the geometry value.
ST_EnvelopeAggr( ST_Geometry ) – Returns the bounding rectangle for all of the geometries in a group
ST_Equals( ST_Geometry ) – Tests if an ST_Geometry value is spatially equal to another ST_Geometry value.
ST_EqualsFilter( ST_Geometry ) – An inexpensive test if a geometry is equal to another.
ST_GeometryType() – Returns the name of the type of the ST_Geometry value.
ST_GeometryTypeFromBaseType(VARCHAR(128)) – Parses a string defining the type string.
ST_GeomFromBinary(LONG BINARY, INT) – Constructs a geometry from a binary string representation.
ST_GeomFromShape(LONG BINARY[, INT]) – Parses a string containing an ESRI shape record and creates a geometry value of the appropriate type.
ST_GeomFromText(LONG VARCHAR, INT) – Constructs a geometry from a character string representation.
ST_GeomFromWKB(LONG BINARY, INT) – Parse a string containing a WKB or EWKB representation of a geometry and creates a geometry value of the appropriate type.
ST_GeomFromWKT(LONG VARCHAR, INT) – Parses a string containing the WKT or EWKT representation of a geometry and create a geometry value of the appropriate type.
ST_Intersection( ST_Geometry ) – Returns the geometry value that represents the point set intersection of two geometries.
ST_IntersectionAggr( ST_Geometry ) – Returns the spatial intersection of all of the geometries in a group
ST_Intersects( ST_Geometry ) – Test if a geometry value spatially intersects another value.
ST_IntersectsFilter( ST_Geometry ) – An inexpensive test if the two geometries might intersect.
ST_IntersectsRect( ST_Point , ST_Point ) – Test if a geometry intersects a rectangle.
ST_Is3D() – Determines if the geometry value has Z coordinate values.
ST_IsEmpty() – Determines whether the geometry value represents an empty set.
ST_IsMeasured() – Determines if the geometry value has associated measure values.
ST_IsSimple() – Determines whether the geometry value is simple (containing no self intersections or other irregularities).
ST_IsValid() – Determines whether the geometry is a valid spatial object.
ST_LatNorth() – Retrieves the northernmost latitude of a geometry.
ST_LatSouth() – Retrieves the southernmost latitude of a geometry.
ST_Length_Spheroid(VARCHAR(128)) – Calculates the linear length of a curve/multicurve on the surface of the Earth.
ST_LinearHash() – Returns a binary string that is a linear hash of the geometry.
ST_LinearUnHash(BINARY(32)[, INT]) – Returns a geometry representing the index hash.
ST_LoadConfigurationData(VARCHAR(128)) – Returns binary configuration data. For internal use only.
ST_LocateAlong(DOUBLE) – Returns the subset of the geometry value that is associated with the given measure value.
ST_LocateBetween(DOUBLE, DOUBLE) – Returns the subset of the geometry value that is between the specified start measure and end measure.
ST_LongEast() – Retrieves the longitude of the eastern boundary of a geometry.
ST_LongWest() – Retrieves the longitude of the western boundary of a geometry.
ST_MMax() – Retrieves the maximum M coordinate value of a geometry.
ST_MMin() – Retrieves the minimum M coordinate value of a geometry.
ST_OrderingEquals( ST_Geometry ) – Tests if a geometry is identical to another geometry.
ST_Overlaps( ST_Geometry ) – Tests if a geometry value overlaps another geometry value.
ST_Relate( ST_Geometry ) – Determines how a geometry value is spatially related to another geometry value by returning an intersection matrix. The ST_Relate method returns a 9-character string from the Dimensionally Extended 9 Intersection Model (DE-9IM) to describe the pair-wise relationship between two spatial data items. For example, the ST_Relate method determines if an intersection occurs between the geometries, and the geometry of the resulting intersection, if it exists.
ST_Reverse() – Returns the geometry with the element order reversed.
ST_Segmentize(DOUBLE) – Add points so that no line segment is longer than a specified distance.
ST_Simplify(DOUBLE) – Remove points from curves so long as the maximum introduced error is less than a specified tolerance.
ST_SnapToGrid( ST_Point , DOUBLE, DOUBLE, DOUBLE, DOUBLE) – Returns a copy of the geometry with all points snapped to the specified grid.
ST_SRID(INT) – Changes the spatial reference system associated with the geometry without modifying any of the values.
ST_SRIDFromBaseType(VARCHAR(128)) – Parses a string defining the type string.
ST_SymDifference( ST_Geometry ) – Returns the geometry value that represents the point set symmetric difference of two geometries.
ST_ToCircular() – Convert the geometry to a circularstring
ST_ToCompound() – Converts the geometry to a compound curve.
ST_ToCurve() – Converts the geometry to a curve.
ST_ToCurvePoly() – Converts the geometry to a curve polygon.
ST_ToGeomColl() – Converts the geometry to a geometry collection.
ST_ToLineString() – Converts the geometry to a linestring.
ST_ToMultiCurve() – Converts the geometry to a multicurve value.
ST_ToMultiLine() – Converts the geometry to a multilinestring value.
ST_ToMultiPoint() – Converts the geometry to a multi-point value.
ST_ToMultiPolygon() – Converts the geometry to a multi-polygon value.
ST_ToMultiSurface() – Converts the geometry to a multi-surface value.
ST_ToPoint() – Converts the geometry to a point.
ST_ToPolygon() – Converts the geometry to a polygon.
ST_ToSurface() – Converts the geometry to a surface.
ST_Touches( ST_Geometry ) – Tests if a geometry value spatially touches another geometry value.
ST_Transform(INT) – Creates a copy of the geometry value transformed into the specified spatial reference system.
ST_Union( ST_Geometry ) – Returns the geometry value that represents the point set union of two geometries.
ST_UnionAggr( ST_Geometry ) – Returns the spatial union of all of the geometries in a group
ST_Within( ST_Geometry ) – Tests if a geometry value is spatially contained within another geometry value.
ST_WithinDistance( ST_Geometry , DOUBLE, VARCHAR(128)) – Test if two geometries are within a specified distance of each other.
ST_WithinDistanceFilter( ST_Geometry , DOUBLE, VARCHAR(128)) – An inexpensive of whether two geometries might be within a specified distance of each other.
ST_WithinFilter( ST_Geometry ) – An inexpensive test if a geometry might be within another.
ST_XMax() – Retrieves the maximum X coordinate value of a geometry.
ST_XMin() – Retrieves the minimum X coordinate value of a geometry.
ST_YMax() – Retrieves the maximum Y coordinate value of a geometry.
ST_YMin() – Retrieves the minimum Y coordinate value of a geometry.
ST_ZMax() – Retrieves the maximum Z coordinate value of a geometry.
ST_ZMin() – Retrieves the minimum Z coordinate value of a geometry.

Standards and compatibility

SQL/MM (ISO/IEC 13249-3: 2006) 9.3