TerrainProviderGetNormal Method  | 
 
            Get the normal vector to the terrain surface at the specified location.
            
 
    Namespace: 
   AGI.Foundation.Terrain
    Assembly:
   AGI.Foundation.Models (in AGI.Foundation.Models.dll) Version: 25.1.421.0 (25.1.421.0)
Syntaxpublic UnitCartesian GetNormal(
	double longitude,
	double latitude
)
Public Function GetNormal ( 
	longitude As Double,
	latitude As Double
) As UnitCartesian
public:
UnitCartesian GetNormal(
	double longitude, 
	double latitude
)
member GetNormal : 
        longitude : float * 
        latitude : float -> UnitCartesian 
Parameters
- longitude
 - Type: SystemDouble
            The longitude, in radians.
            Requesting a gradient for a longitude less than -π or greater than π will always return NaN.
             - latitude
 - Type: SystemDouble
            The latitude, in radians.
            Requesting a gradient for a latitude less than -π/2 or greater than π/2 will always return NaN.
             
Return Value
Type: 
UnitCartesian
            The surface normal, if 
longitude and 
latitude
            are within 
BoundingExtent; otherwise 
Undefined.
            
See Also