CADability dotNET
Returns the direction of the curve at a specified point. The parameter prosition of the startpoint is 0.0, the parameter position of the endpoint is 1.0. Directions of a position outside this interval may be undefined.

Namespace: CADability.GeoObject
Assembly: CADability (in CADability.dll) Version: 1.1.4254.24737 (1.1.*)

Syntax

C#
GeoVector DirectionAt(
	double Position
)
Visual Basic
Function DirectionAt ( _
	Position As Double _
) As GeoVector
Visual C++
GeoVector DirectionAt(
	double Position
)

Parameters

Position
Type: System..::..Double
Position on the curve

Return Value

The requested direction

See Also