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TerrainProviderGetFirstPartials Method

Get the 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.Models (in AGI.Foundation.Models.dll) Version: 19.2.399.0 (19.2.399.0)
Syntax
public abstract FirstPartialsOfHeight GetFirstPartials(
	double longitude,
	double latitude
)

Parameters

longitude
Type: SystemDouble
The longitude, in radians. Requesting derivatives for a longitude less than -PI or greater than PI will always return NaN.
latitude
Type: SystemDouble
The latitude, in radians. Requesting derivatives for a latitude less than -PI/2 or greater than PI/2 will always return NaN.

Return Value

Type: FirstPartialsOfHeight
The partial derivatives with respect to longitude and latitude, with units of meters of height per radian.
See Also