DbSpatialServices.GetElevation Method

Definition

Namespace:

System.Data.Spatial

Assembly:

System.Data.Entity.dll

Returns the elevation (Z coordinate) of the given value.

Overloads

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

GetElevation(DbGeography)

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

public:
 abstract Nullable<double> GetElevation(System::Data::Spatial::DbGeography ^ geographyValue);

public abstract double? GetElevation (System.Data.Spatial.DbGeography geographyValue);

abstract member GetElevation : System.Data.Spatial.DbGeography -> Nullable<double>

Public MustOverride Function GetElevation (geographyValue As DbGeography) As Nullable(Of Double)

Parameters

geographyValue

DbGeography

The geography value, which need not represent a point.

Returns

Nullable<Double>

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

Exceptions

ArgumentNullException

geographyValue

ArgumentException

geographyValue

GetElevation(DbGeometry)

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

public:
 abstract Nullable<double> GetElevation(System::Data::Spatial::DbGeometry ^ geometryValue);

public abstract double? GetElevation (System.Data.Spatial.DbGeometry geometryValue);

abstract member GetElevation : System.Data.Spatial.DbGeometry -> Nullable<double>

Public MustOverride Function GetElevation (geometryValue As DbGeometry) As Nullable(Of Double)

Parameters

geometryValue

DbGeometry

The geometry value, which need not represent a point.

Returns

Nullable<Double>

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

Exceptions

ArgumentNullException

geometryValue

ArgumentException

geometryValue