Description

Computes the distance between two points on the surface of the central body. Distance is measured along a great arc path.

Syntax

[Visual Basic .NET]
Public Function ComputeSurfaceDistance( _ ByVal StartLat As System.Object, _ ByVal StartLon As System.Object, _ ByVal EndLat As System.Object, _ ByVal EndLon As System.Object _ ) As Double

[Visual Basic .NET]

Public Function ComputeSurfaceDistance( _
   ByVal StartLat As System.Object, _
   ByVal StartLon As System.Object, _
   ByVal EndLat As System.Object, _
   ByVal EndLon As System.Object _
) As Double

[C#]
public double ComputeSurfaceDistance( System.Object StartLat, System.Object StartLon, System.Object EndLat, System.Object EndLon );

[C#]

public double ComputeSurfaceDistance(
   System.Object StartLat, 
   System.Object StartLon, 
   System.Object EndLat, 
   System.Object EndLon
);

[Managed C++]
public: double ComputeSurfaceDistance( VARIANT StartLat, VARIANT StartLon, VARIANT EndLat, VARIANT EndLon );

[Managed C++]

public: double ComputeSurfaceDistance(
   VARIANT StartLat, 
   VARIANT StartLon, 
   VARIANT EndLat, 
   VARIANT EndLon
);

[Java]
public double computeSurfaceDistance( Variant StartLat, Variant StartLon, Variant EndLat, Variant EndLon );

[Java]

public double computeSurfaceDistance(
   Variant StartLat, 
   Variant StartLon, 
   Variant EndLat, 
   Variant EndLon
);

[Unmanaged C++]
public: HRESULT ComputeSurfaceDistance( VARIANT StartLat, VARIANT StartLon, VARIANT EndLat, VARIANT EndLon, double * ReturnValue );

[Unmanaged C++]

public: HRESULT ComputeSurfaceDistance(
   VARIANT StartLat, 
   VARIANT StartLon, 
   VARIANT EndLat, 
   VARIANT EndLon, 
   double * ReturnValue
);

Parameters

StartLat
StartLon
EndLat
EndLon

Example

Computes the distance between two locations.

[C#] Copy Code

IAgStkCentralBodyEllipsoid centralBodyEllipsoid = root.CentralBodies["Earth"].Ellipsoid; 

 

// Compute the distance between Philadelphia and London. 

// The code snippet assumes the latitude and longitude unit preference is set to degrees. 

double distance = centralBodyEllipsoid.ComputeSurfaceDistance(40.0068, -75.1347, 51.4879, -0.1780); 

Console.WriteLine("The distance between Philadelphia and London is: {0}", distance);

Computes the distance between two locations.

[Visual Basic .NET] Copy Code

Dim centralBodyEllipsoid As IAgStkCentralBodyEllipsoid = root.CentralBodies("Earth").Ellipsoid

' Compute the distance between Philadelphia and London.
' The code snippet assumes the latitude and longitude unit preference is set to degrees.
Dim distance As Double = centralBodyEllipsoid.ComputeSurfaceDistance(40.0068, -75.1347, 51.4879, -0.178)
 Console.WriteLine("The distance between Philadelphia and London is: {0}", distance)

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ComputeSurfaceDistance Method (IAgStkCentralBodyEllipsoid)
See Also Example

Description

Syntax

Parameters

Example

See Also