Evaluates a surface mathematically.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0

C#

public bool Evaluate(
	double u,
	double v,
	int numberDerivatives,
	out Point3d point,
	out Vector3d[] derivatives
)

VB

Public Function Evaluate ( 
	u As Double,
	v As Double,
	numberDerivatives As Integer,
	<OutAttribute> ByRef point As Point3d,
	<OutAttribute> ByRef derivatives As Vector3d()
) As Boolean

u

Type: System.Double
A U parameter.

v

Type: System.Double
A V parameter.

numberDerivatives

Type: System.Int32
The number of derivatives.

point

Type: Rhino.Geometry.Point3d
A point. This out parameter will be assigned during this call.

derivatives

Type: Rhino.Geometry.Vector3d[]
A vector array. This out parameter will be assigned during this call. This can be null.

Type: Boolean
true if the operation succeeded; false otherwise.

Supported in: 6.0.16224.21491, 5D58w

Surface Class
Rhino.Geometry Namespace