BarycentricTerrainInterpolatorInterpolateFirstPartials Method  | 
 
            Interpolates the first order partial derivatives of terrain height with respect to longitude and latitude and
            returns the value at the specified location based on the given terrain data. 
            
 
    Namespace: 
   AGI.Foundation.Terrain
    Assembly:
   AGI.Foundation.TerrainReaders (in AGI.Foundation.TerrainReaders.dll) Version: 25.1.421.0 (25.1.421.0)
Syntaxpublic override FirstPartialsOfHeight InterpolateFirstPartials(
	QuantizedMeshTerrainTile data,
	double longitude,
	double latitude
)
Public Overrides Function InterpolateFirstPartials ( 
	data As QuantizedMeshTerrainTile,
	longitude As Double,
	latitude As Double
) As FirstPartialsOfHeight
public:
virtual FirstPartialsOfHeight InterpolateFirstPartials(
	QuantizedMeshTerrainTile^ data, 
	double longitude, 
	double latitude
) override
abstract InterpolateFirstPartials : 
        data : QuantizedMeshTerrainTile * 
        longitude : float * 
        latitude : float -> FirstPartialsOfHeight 
override InterpolateFirstPartials : 
        data : QuantizedMeshTerrainTile * 
        longitude : float * 
        latitude : float -> FirstPartialsOfHeight Parameters
- data
 - Type: AGI.Foundation.TerrainQuantizedMeshTerrainTile
The terrain data to use when evaluating the height. - longitude
 - Type: SystemDouble
The longitude, in native units. - latitude
 - Type: SystemDouble
The latitude, in native units. 
Return Value
Type: 
FirstPartialsOfHeightThe first order partial derivatives, in native units.
Exceptions
RemarksNote that the interpolation scheme may permit discontinuities along the boundaries of each terrain cell.
See Also