DbSpatialServices.GetElevation Method
Definition
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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
The elevation (Z coordinate) of geographyValue
, if it represents a point; otherwise null
.
Exceptions
geographyValue
geographyValue
Applies to
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
The elevation (Z) of geometryValue
, if it represents a point; otherwise null
.
Exceptions
geometryValue
geometryValue