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RasterTerrainProviderGetSecondPartials Method (Double, Double, RasterTerrainInterpolator)

Get the second order (mixed) partial derivatives of height with respect to the specified longitude and latitude relative to the provider's Shape.

Namespace:  AGI.Foundation.Terrain
Assembly:  AGI.Foundation.TerrainReaders (in AGI.Foundation.TerrainReaders.dll) Version: 19.1.398.0 (19.1.398.0)
public SecondPartialsOfHeight GetSecondPartials(
	double longitude,
	double latitude,
	RasterTerrainInterpolator interpolator


Type: SystemDouble
The longitude, in radians. Requesting derivatives for a longitude less than -PI or greater than PI will always return NaN.
Type: SystemDouble
The latitude, in radians. Requesting derivatives for a latitude less than -PI/2 or greater than PI/2 will always return NaN.
Type: AGI.Foundation.TerrainRasterTerrainInterpolator
The interpolator to use when computing the value of the partial derivatives inside the boundary.

Return Value

Type: SecondPartialsOfHeight
The second order (mixed) partial derivatives with respect to longitude and latitude, with units of meters of height per radian squared.
See Also