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RasterTerrainProviderGetFirstPartials Method (Double, Double, RasterTerrainInterpolator)

Get the interpolated 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: 24.1.418.0 (24.1.418.0)
public FirstPartialsOfHeight GetFirstPartials(
	double longitude,
	double latitude,
	RasterTerrainInterpolator interpolator


Type: SystemDouble
The longitude, in radians. Requesting derivatives for a longitude less than -π or greater than π will always return NaN.
Type: SystemDouble
The latitude, in radians. Requesting derivatives for a latitude less than -π/2 or greater than π/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: FirstPartialsOfHeight
The FirstPartialsOfHeight with respect to longitude and latitude, in meters of height per radian.
See Also