SqlGeometry Class
Definition
Important
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The SqlGeometry type represents data in a Euclidean (flat) coordinate system.
[Microsoft.SqlServer.Server.SqlUserDefinedType(Microsoft.SqlServer.Server.Format.UserDefined, IsByteOrdered=false, IsFixedLength=false, MaxByteSize=-1)]
[System.CLSCompliant(true)]
[System.Serializable]
public sealed class SqlGeometry : Microsoft.SqlServer.Server.IBinarySerialize, Microsoft.SqlServer.Types.ISqlSpatialGridIndexable, System.Data.SqlTypes.INullable[<Microsoft.SqlServer.Server.SqlUserDefinedType(Microsoft.SqlServer.Server.Format.UserDefined, IsByteOrdered=false, IsFixedLength=false, MaxByteSize=-1)>]
[<System.CLSCompliant(true)>]
[<System.Serializable>]
type SqlGeometry = class
interface INullable
interface IBinarySerialize
interface ISqlSpatialGridIndexablePublic NotInheritable Class SqlGeometry
Implements IBinarySerialize, INullable, ISqlSpatialGridIndexable- Inheritance
-
SqlGeometry
- Attributes
- Implements
Constructors
| SqlGeometry() |
Initializes a new instance of the SqlGeometry class. |
Properties
| HasM |
Returns true if at least one point in a spatial object contains value M; otherwise returns false. This property is read-only. |
| HasZ |
Returns true if at least one point in a spatial object contains value Z; otherwise returns false. This property is read-only. |
| IsNull |
Gets a value that indicates whether the SqlGeometry object is null. |
| M |
Gets the M (measure) value of the SqlGeometry instance. The semantics of the measure value are user-defined. |
| Null |
Gets a read-only property providing a null instance of the SqlGeometry type. |
| STSrid |
Gets or sets an integer that represents the Spatial Reference Identifier (SRID) of the instance. |
| STX |
Gets the X-coordinate property of a Point instance. |
| STY |
Gets the Y-coordinate property of a Point instance. |
| Z |
Gets the Z (elevation) value of the instance. The semantics of the elevation value are user-defined. |
Methods
| AsBinaryZM() |
Returns the Elevation and Measure as a binary. |
| AsGml() |
Returns the Geography Markup Language (GML) representation of a SqlGeometry instance. |
| AsTextZM() |
Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a SqlGeometry instance, augmented with any Z (elevation) and M (measure) values carried by the instance. |
| BufferWithCurves(Double) |
Buffers the geometry objects with curves. |
| BufferWithTolerance(Double, Double, Boolean) |
Returns a geometric object that represents the union of all point values whose distance from a SqlGeometry instance is less than or equal to a specified value, allowing for a specified tolerance. |
| CurveToLineWithTolerance(Double, Boolean) |
Returns a polygonal approximation of a SqlGeometry instance that contains circular arc segments. |
| Deserialize(SqlBytes) |
Returns a constructed SqlGeometry from an internal SQL Server format for spatial data. |
| Filter(SqlGeometry) |
Offers a fast, index-only intersection method to determine if a SqlGeometry instance intersects another SqlGeometry instance, assuming an index is available. |
| GeomFromGml(SqlXml, Int32) |
Constructs a SqlGeometry instance given a representation in the SQL Server subset of the Geography Markup Language (GML). |
| InstanceOf(String) |
Tests if the SqlGeometry instance is the same as the specified type. |
| IsValidDetailed() |
Returns a message to help identify validity issues with a spatial object. |
| MakeValid() |
Converts an invalid SqlGeometry instance into a SqlGeometry instance with a valid Open Geospatial Consortium (OGC) type. |
| MinDbCompatibilityLevel() |
Returns the minimum database compatibility that accepts the SqlGeometry type. |
| NullOnInvalid() | |
| Parse(SqlString) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation. |
| Point(Double, Double, Int32) |
Constructs a SqlGeometry instance that represents a Point instance from its X and Y values and an SRID. |
| Populate(IGeometrySink) |
Obsolete.
Applies a geometry type call sequence to an IGeometrySink object. The call sequence is a sequential set of figures, lines, and points. SqlGeometry |
| Populate(IGeometrySink110) |
Applies a geometry type call sequence to IGeometrySink object. |
| Read(BinaryReader) |
Reads a binary representation of a geometry type into a SqlGeometry object. SqlGeometry |
| Reduce(Double) |
Returns an approximation of the given SqlGeometry instance produced by running the Douglas-Peucker algorithm on the instance with the given tolerance. |
| Serialize() |
Returns the bytes that represent an internal SQL Server format of SqlGeometry type. |
| ShortestLineTo(SqlGeometry) |
Returns the shortest distance between the two SqlGeometryinstances. |
| STArea() |
Returns the total surface area of a SqlGeometry instance. |
| STAsBinary() |
Returns the Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation of a SqlGeometry instance. This value will not contain any Z or M values carried by the instance. |
| STAsText() |
Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a SqlGeometry instance. This text will not contain any Z (elevation) or M (measure) values carried by the instance. |
| STBoundary() |
Returns the boundary of a SqlGeometry instance. |
| STBuffer(Double) |
Returns a geometric object that represents the union of all points whose distance from a SqlGeometry instance is less than or equal to a specified value. |
| STCentroid() |
Returns the geometric center of a SqlGeometry instance consisting of one or more polygons. |
| STContains(SqlGeometry) |
Specifies whether the calling SqlGeometry instance completely contains another SqlGeometry. |
| STConvexHull() |
Returns an object that represents the convex hull of a SqlGeometry instance. |
| STCrosses(SqlGeometry) |
Determines whether the calling SqlGeometry instance crosses the specified SqlGeometry instance. |
| STCurveN(Int32) |
Returns the curve specified from a SqlGeometry instance that is a LineString, CircularString, or CompoundCurve. |
| STCurveToLine() |
Returns a polygonal approximation of a SqlGeometry instance that contains circular arc segments. |
| STDifference(SqlGeometry) |
Returns an object that represents the points from one SqlGeometry instance that do not lie within another SqlGeometry instance. |
| STDimension() |
Returns the maximum dimension of a SqlGeometry instance. |
| STDisjoint(SqlGeometry) |
Determines whether the calling SqlGeometry instance is disjointed when compared against the specified SqlGeometry. |
| STDistance(SqlGeometry) |
Returns the shortest distance between a point in a SqlGeometry instance and a point in the specified SqlGeometry instance. |
| STEndPoint() |
Returns the end point of a SqlGeometry instance. |
| STEnvelope() |
Returns the minimum axis-aligned bounding rectangle of the instance. |
| STEquals(SqlGeometry) |
Determines whether the specified SqlGeometry has a point set identical to the calling SqlGeometry. |
| STExteriorRing() |
Returns the exterior ring of a SqlGeometry instance that is a polygon. |
| STGeomCollFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STGeomCollFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry collection instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STGeometryN(Int32) |
Returns the specified SqlGeometry in a SqlGeometry collection. |
| STGeometryType() |
Returns the Open Geospatial Consortium (OGC) type name represented by a geometry instance. SqlGeometry |
| STGeomFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STGeomFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STInteriorRingN(Int32) |
Returns the specified interior ring of a Polygon SqlGeometry instance. |
| STIntersection(SqlGeometry) |
Returns an object that represents the points where a SqlGeometry instance intersects another SqlGeometry instance. |
| STIntersects(SqlGeometry) |
Determines whether the calling SqlGeometry instance intersects another SqlGeometry. |
| STIsClosed() |
Determines whether the start and end points of the calling SqlGeometry are the same. |
| STIsEmpty() |
Indicates whether the calling SqlGeometry instance is empty. |
| STIsRing() |
Determines whether the calling SqlGeometry instance is a ring. |
| STIsSimple() |
Determines whether the calling SqlGeometry instance is simple. |
| STIsValid() |
Determines whether the SqlGeometry instance is well-formed. |
| STLength() |
Returns the total length of the elements in a SqlGeometry instance. |
| STLineFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STLineFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry LineString instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STMLineFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STMLineFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry MultiLineString instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STMPointFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STMPointFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry Point instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STMPolyFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation with any Z (elevation) and M (measure) values carried by the instance. |
| STMPolyFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry MultiPolygon instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STNumCurves() |
Returns the number of curves in a one-dimensional SqlGeometry instance. |
| STNumGeometries() |
Returns the number of SqlGeometry that comprise a SqlGeometry instance. |
| STNumInteriorRing() |
Returns the number of interior rings of a Polygon SqlGeometry instance. |
| STNumPoints() |
Returns the sum of the number of points in each of the figures in a SqlGeometry instance. |
| STOverlaps(SqlGeometry) |
Determines whether the specified SqlGeometry overlaps the current SqlGeometry. |
| STPointFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STPointFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry Point instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STPointN(Int32) |
Returns a specified point in a SqlGeometry instance. |
| STPointOnSurface() |
Returns an arbitrary point located within the interior of a SqlGeometry instance. |
| STPolyFromText(SqlChars, Int32) |
Returns a SqlGeometry instance from an Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation augmented with any Z (elevation) and M (measure) values carried by the instance. |
| STPolyFromWKB(SqlBytes, Int32) |
Returns a SqlGeometry Polygon instance from an Open Geospatial Consortium (OGC) Well-Known Binary (WKB) representation. |
| STRelate(SqlGeometry, String) |
Determines whether the calling SqlGeometry is related to the specified SqlGeometry. |
| STStartPoint() |
Returns the start point of a SqlGeometry instance. |
| STSymDifference(SqlGeometry) |
Returns an object that represents all points that are either in one SqlGeometry instance or another SqlGeometry instance, but not those points that lie in both instances. |
| STTouches(SqlGeometry) |
Determines whether the specified SqlGeometry touches the current SqlGeometry. |
| STUnion(SqlGeometry) |
Returns an object that represents the union of a SqlGeometry instance with another SqlGeometry instance. |
| STWithin(SqlGeometry) |
Determines whether the current SqlGeometry is completely within the specified SqlGeometry instance. |
| ToString() |
Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a SqlGeometry instance augmented with any Z (elevation) and M (measure) values carried by the instance. |
| Write(BinaryWriter) |
Writes a SqlGeometry instance to a binary stream. SqlGeometry |
Explicit Interface Implementations
| ISqlSpatialGridIndexable.BufferForDistanceQuery(Double, Boolean) |
Returns the buffer for distance query for the SQL Geometry. |
| ISqlSpatialGridIndexable.GetBoundingBoxCorners(Double, Double, Double, Double) |
Returns a value for the bounding box corners for the SQL Geometry. |
| ISqlSpatialGridIndexable.GetGridCoverage(Boolean, Double, Double, Double, Double, Double, Double, Int32, Int32, Boolean[,], Boolean[, ], Int32, Int32, Boolean, Boolean) |
Returns the grid coverage of the SQL Geometry. |
| ISqlSpatialGridIndexable.InteriorBufferForDistanceQuery(Double) |
Gets the interior buffer for distance query for the SQL Geometry. |