DbGeometry Class
Definition
Important
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Provides a base class for objects that define geometric shapes.
public ref class DbGeometry
[System.ComponentModel.DataAnnotations.BindableType]
[System.Runtime.Serialization.DataContract]
[System.Serializable]
public class DbGeometry
[<System.ComponentModel.DataAnnotations.BindableType>]
[<System.Runtime.Serialization.DataContract>]
[<System.Serializable>]
type DbGeometry = class
Public Class DbGeometry
 Inheritance

DbGeometry
 Attributes
Properties
Area 
Gets a nullable double value that indicates the area of this DbGeometry value, which may be null if this value does not represent a surface. 
Boundary 
Gets the boundary of the DbGeometry objects. 
Centroid 
Gets the DbGeometry value that represents the centroid of this DbGeometry value, which may be null if this value does not represent a surface. 
ConvexHull 
Gets the convex hull of this DbGeometry value as another DbGeometry value. 
CoordinateSystemId 
Gets the coordinate system identifier of the DbGeometry object. 
DefaultCoordinateSystemId 
Gets the default coordinate system id (SRID) for geometry values. 
Dimension 
Gets the dimension of the given DbGeometry value or, if the value is a collection, the dimension of its largest element. 
ElementCount 
Gets the number of elements in this DbGeometry value, if it represents a geometry collection. 
Elevation 
Gets the elevation (Z coordinate) of this DbGeometry value, if it represents a point. 
EndPoint 
Gets a DbGeometry value representing the start point of this value, which may be null if this DbGeometry value does not represent a curve. 
Envelope 
Gets the envelope (minimum bounding box) of this DbGeometry value, as a geometry value. 
ExteriorRing 
Gets the DbGeometry value that represents the exterior ring of this DbGeometry value, which may be null if this value does not represent a polygon. 
InteriorRingCount 
Gets the number of interior rings in this DbGeometry value, if it represents a polygon. 
IsClosed 
Gets a nullable Boolean value indicating whether this DbGeometry value is closed, which may be null if this value does not represent a curve. 
IsEmpty 
Gets a nullable Boolean value indicating whether this DbGeometry value is empty, which may be null if this value does not represent a curve. 
IsRing 
Gets a nullable Boolean value indicating whether this DbGeometry value is a ring, which may be null if this value does not represent a curve. 
IsSimple 
Gets a nullable Boolean value indicating whether this DbGeometry value is simple. 
IsValid 
Gets a nullable Boolean value indicating whether this DbGeometry value is valid. 
Length 
Gets a nullable double value that indicates the length of this DbGeometry value, which may be null if this value does not represent a curve. 
Measure 
Gets the Measure (M coordinate) of this DbGeometry value, if it represents a point. 
PointCount 
Gets the number of points in this DbGeometry value, if it represents a linestring or linear ring. 
PointOnSurface 
Gets a point on the surface of this DbGeometry value, which may be null if this value does not represent a surface. 
ProviderValue 
Gets a representation of this DbGeometry value that is specific to the underlying provider that constructed it. 
SpatialTypeName 
Gets a spatial type name representation of this DbGeometry value. 
StartPoint 
Gets a DbGeometry value representing the start point of this value, which may be null if this DbGeometry value does not represent a curve. 
WellKnownValue 
Gets or sets a data contract serializable well known representation of this DbGeometry value. 
XCoordinate 
Gets the X coordinate of this DbGeometry value, if it represents a point. 
YCoordinate 
Gets the Y coordinate of this DbGeometry value, if it represents a point. 
Methods
AsBinary() 
Generates the well known binary representation of this DbGeometry value. 
AsGml() 
Generates the Geography Markup Language (GML) representation of this DbGeometry value. 
AsText() 
Generates the well known text representation of this DbGeometry value. Includes only X and Y coordinates for points. 
Buffer(Nullable<Double>) 
Returns a geometry object that represents the union of all points whose distance from a geometry instance is less than or equal to a specified value. 
Contains(DbGeometry) 
Determines whether this DbGeometry value spatially contains the specified DbGeometry argument. 
Crosses(DbGeometry) 
Determines whether this DbGeometry value spatially crosses the specified DbGeometry argument. 
Difference(DbGeometry) 
Computes the difference between this DbGeometry value and another DbGeometry value. 
Disjoint(DbGeometry) 
Determines whether this DbGeometry is spatially disjoint from the specified DbGeometry argument. 
Distance(DbGeometry) 
Computes the distance between the closest points in this DbGeometry value and another DbGeometry value. 
ElementAt(Int32) 
Returns an element of this DbGeometry value from a specific position, if it represents a geometry collection. 
Equals(Object) 
Determines whether the specified object is equal to the current object. (Inherited from Object) 
FromBinary(Byte[], Int32) 
Creates a new DbGeometry value based on the specified well known binary value and coordinate system identifier (SRID). 
FromBinary(Byte[]) 
Creates a new DbGeometry value based on the specified well known binary value. 
FromGml(String, Int32) 
Creates a new DbGeometry value based on the specified Geography Markup Language (GML) value and coordinate system identifier (SRID). 
FromGml(String) 
Creates a new DbGeometry value based on the specified Geography Markup Language (GML) value. 
FromText(String, Int32) 
Creates a new DbGeometry value based on the specified well known text value and coordinate system identifier (SRID). 
FromText(String) 
Creates a new DbGeometry value based on the specified well known text value. 
GeometryCollectionFromBinary(Byte[], Int32) 
Creates a new DbGeometry collection value based on the specified well known binary value and coordinate system identifier (SRID). 
GeometryCollectionFromText(String, Int32) 
Creates a new DbGeometry collection value based on the specified well known text value and coordinate system identifier (SRID). 
GetHashCode() 
Serves as the default hash function. (Inherited from Object) 
GetType() 
Gets the Type of the current instance. (Inherited from Object) 
InteriorRingAt(Int32) 
Returns an interior ring from this DbGeometry value at a specific position, if it represents a polygon. 
Intersection(DbGeometry) 
Computes the intersection of this DbGeometry value and another DbGeometry value. 
Intersects(DbGeometry) 
Determines whether this DbGeometry value spatially intersects the specified DbGeometry argument. 
LineFromBinary(Byte[], Int32) 
Creates a new DbGeometry line value based on the specified well known binary value and coordinate system identifier (SRID). 
LineFromText(String, Int32) 
Creates a new DbGeometry line value based on the specified well known text value and coordinate system identifier (SRID). 
MemberwiseClone() 
Creates a shallow copy of the current Object. (Inherited from Object) 
MultiLineFromBinary(Byte[], Int32) 
Returns the multiline value from a binary value. 
MultiLineFromText(String, Int32) 
Returns the multiline value from a wellknown text value. 
MultiPointFromBinary(Byte[], Int32) 
Returns the multipoint value from a wellknown binary value. 
MultiPointFromText(String, Int32) 
Returns the multipoint value from a wellknown text value. 
MultiPolygonFromBinary(Byte[], Int32) 
Returns the multi polygon value from a wellknown binary value. 
MultiPolygonFromText(String, Int32) 
Returns the multi polygon value from a wellknown binary value. 
Overlaps(DbGeometry) 
Determines whether this DbGeometry value spatially overlaps the specified DbGeometry argument. 
PointAt(Int32) 
Returns an element of this DbGeometry value from a specific position, if it represents a linestring or linear ring. 
PointFromBinary(Byte[], Int32) 
Creates a new DbGeometry point value based on the specified well known binary value and coordinate system identifier (SRID). 
PointFromText(String, Int32) 
Creates a new DbGeometry point value based on the specified well known text value and coordinate system identifier (SRID). 
PolygonFromBinary(Byte[], Int32) 
Creates a new DbGeometry polygon value based on the specified well known binary value and coordinate system identifier (SRID). 
PolygonFromText(String, Int32) 
Creates a new DbGeometry polygon value based on the specified well known text value and coordinate system identifier (SRID). 
Relate(DbGeometry, String) 
Determines whether this DbGeometry value spatially relates to the specified DbGeometry argument according to the given Dimensionally Extended NineIntersection Model (DE9IM) intersection pattern. 
SpatialEquals(DbGeometry) 
Determines whether this DbGeometry is spatially equal to the specified DbGeometry argument. 
SymmetricDifference(DbGeometry) 
Computes the symmetric difference between this DbGeometry value and another DbGeometry value. 
ToString() 
Returns a string representation of the geometry value. 
Touches(DbGeometry) 
Determines whether this DbGeometry value spatially touches the specified DbGeometry argument. 
Union(DbGeometry) 
Computes the union of this DbGeometry value and another DbGeometry value. 
Within(DbGeometry) 
Determines whether this DbGeometry value is spatially within the specified DbGeometry argument. 