DbSpatialServices.GetElevation Method

 

Returns the elevation (Z coordinate) of the given value, if it represents a point.

Namespace:   System.Data.Entity.Spatial
Assembly:  EntityFramework (in EntityFramework.dll)

NameDescription
System_CAPS_pubmethodGetElevation(DbGeography)

Returns the elevation (Z coordinate) of the given DbGeography value, if it represents a point.

System_CAPS_pubmethodGetElevation(DbGeometry)

Returns the elevation (Z) of the given DbGeometry value, if it represents a point.


DbSpatialServices.GetElevation Method (DbGeography)

Returns the elevation (Z coordinate) of the given DbGeography value, if it represents a point.

public abstract Nullable<double> GetElevation(
	DbGeography geographyValue
)

Parameters

geographyValue
Type: System.Data.Entity.Spatial.DbGeography

The geography value, which need not represent a point.

Return Value

Type: System.Nullable<Double>

The elevation (Z coordinate) of geographyValue, if it represents a point; otherwise, null.

Exception Condition
ArgumentNullException

geographyValue is null.

ArgumentException

geographyValue is not compatible with this spatial services implementation.


DbSpatialServices.GetElevation Method (DbGeometry)

Returns the elevation (Z) of the given DbGeometry value, if it represents a point.

public abstract Nullable<double> GetElevation(
	DbGeometry geometryValue
)

Parameters

geometryValue
Type: System.Data.Entity.Spatial.DbGeometry

The geometry value, which need not represent a point.

Return Value

Type: System.Nullable<Double>

The elevation (Z) of geometryValue, if it represents a point; otherwise, null.

Exception Condition
ArgumentNullException

geometryValue is null.

ArgumentException

geometryValue is not compatible with this spatial services implementation.