DbGeography Class
Definition
Important
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Represents data in a geodetic (round earth) coordinate system.
public ref class DbGeography[System.ComponentModel.DataAnnotations.BindableType]
[System.Runtime.Serialization.DataContract]
[System.Serializable]
public class DbGeography[<System.ComponentModel.DataAnnotations.BindableType>]
[<System.Runtime.Serialization.DataContract>]
[<System.Serializable>]
type DbGeography = classPublic Class DbGeography- Inheritance
-
DbGeography
- Attributes
Properties
| Area |
Gets a nullable double value that indicates the area of this DbGeography value, which may be null if this value does not represent a surface. |
| CoordinateSystemId |
Gets the identifier associated with the coordinate system. |
| DefaultCoordinateSystemId |
Gets the default coordinate system id (SRID) for geography values (WGS 84). |
| Dimension |
Gets the dimension of the given DbGeography value or, if the value is a collections, the largest element dimension. |
| ElementCount |
Gets the number of elements in this DbGeography value, if it represents a geography collection. |
| Elevation |
Gets the elevation (Z coordinate) of this DbGeography value, if it represents a point. |
| EndPoint |
Gets a DbGeography value representing the start point of this value, which may be null if this DbGeography value does not represent a curve. |
| IsClosed |
Gets a nullable Boolean value indicating whether this DbGeography value is closed, which may be null if this value does not represent a curve. |
| IsEmpty |
Gets a nullable Boolean value indicating whether this DbGeography value is empty. |
| Latitude |
Gets the Latitude coordinate of this DbGeography value, if it represents a point. |
| Length |
Gets a nullable double value that indicates the length of this DbGeography value, which may be null if this value does not represent a curve. |
| Longitude |
Gets the Longitude coordinate of this DbGeography value, if it represents a point. |
| Measure |
Gets the M (Measure) coordinate of this DbGeography value, if it represents a point. |
| PointCount |
Gets the number of points in this DbGeography value, if it represents a linestring or linear ring. |
| ProviderValue |
Gets a representation of this DbGeography value that is specific to the underlying provider that constructed it. |
| SpatialTypeName |
Gets the spatial type name of the DBGeography. |
| StartPoint |
Gets a DbGeography value representing the start point of this value, which may be null if this DbGeography value does not represent a curve. |
| WellKnownValue |
Gets or sets a data contract serializable well known representation of this DbGeography value. |
Methods
| AsBinary() |
Generates the well known binary representation of this DbGeography value. |
| AsGml() |
Generates the Geography Markup Language (GML) representation of this DbGeography value. |
| AsText() |
Generates the well known text representation of this DbGeography value. Includes only Longitude and Latitude for points. |
| Buffer(Nullable<Double>) |
Returns a geography object that represents the union of all points whose distance from a geography instance is less than or equal to a specified value. |
| Difference(DbGeography) |
Computes the difference of this DbGeography value and another DbGeography value. |
| Disjoint(DbGeography) |
Determines whether this DbGeography is spatially disjoint from the specified DbGeography argument. |
| Distance(DbGeography) |
Computes the distance between the closest points in this DbGeography value and another DbGeography value. |
| ElementAt(Int32) |
Returns an element of this DbGeography value from a specific position, if it represents a geography collection. |
| Equals(Object) |
Determines whether the specified object is equal to the current object. (Inherited from Object) |
| FromBinary(Byte[], Int32) |
Creates a new DbGeography value based on the specified well known binary value and coordinate system identifier (SRID). |
| FromBinary(Byte[]) |
Creates a new DbGeography value based on the specified well known binary value. |
| FromGml(String, Int32) |
Creates a new DbGeography value based on the specified Geography Markup Language (GML) value and coordinate system identifier (SRID). |
| FromGml(String) |
Creates a new DbGeography value based on the specified Geography Markup Language (GML) value. |
| FromText(String, Int32) |
Creates a new DbGeography value based on the specified well known text value and coordinate system identifier (SRID). |
| FromText(String) |
Creates a new DbGeography value based on the specified well known text value. |
| GeographyCollectionFromBinary(Byte[], Int32) |
Creates a new DbGeography collection value based on the specified well known binary value and coordinate system identifier (SRID). |
| GeographyCollectionFromText(String, Int32) |
Creates a new DbGeography 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) |
| Intersection(DbGeography) |
Computes the intersection of this DbGeography value and another DbGeography value. |
| Intersects(DbGeography) |
Determines whether this DbGeography value spatially intersects the specified DbGeography argument. |
| LineFromBinary(Byte[], Int32) |
Creates a new DbGeography line value based on the specified well known binary value and coordinate system identifier (SRID). |
| LineFromText(String, Int32) |
Creates a new DbGeography 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 well-known text value. |
| MultiPointFromBinary(Byte[], Int32) |
Returns the multipoint value from a well-known binary value. |
| MultiPointFromText(String, Int32) |
Returns the multipoint value from a well-known text value. |
| MultiPolygonFromBinary(Byte[], Int32) |
Returns the multi polygon value from a well-known binary value. |
| MultiPolygonFromText(String, Int32) |
Returns the multi polygon value from a well-known text value. |
| PointAt(Int32) |
Returns an element of this DbGeography value from a specific position, if it represents a linestring or linear ring. |
| PointFromBinary(Byte[], Int32) |
Creates a new DbGeography point value based on the specified well known binary value and coordinate system identifier (SRID). |
| PointFromText(String, Int32) |
Creates a new DbGeography point value based on the specified well known text value and coordinate system identifier (SRID). |
| PolygonFromBinary(Byte[], Int32) |
Creates a new DbGeography polygon value based on the specified well known binary value and coordinate system identifier (SRID). |
| PolygonFromText(String, Int32) |
Creates a new DbGeography polygon value based on the specified well known text value and coordinate system identifier (SRID). |
| SpatialEquals(DbGeography) |
Determines whether this DbGeography is spatially equal to the specified DbGeography argument. |
| SymmetricDifference(DbGeography) |
Computes the symmetric difference of this DbGeography value and another DbGeography value. |
| ToString() |
Returns a string representation of the geography value. |
| Union(DbGeography) |
Computes the union of this DbGeography value and another DbGeography value. |
