NurbSurfaceGetControlPointAt Method

Returns the control point (in WCS coordinates) at the specified position in the control points vector.

Namespace: Teigha.DatabaseServices
Assembly: TD_Mgd (in TD_Mgd.dll) Version: 24.2.0.0

Syntax

public Point3d GetControlPointAt(
        int uIndex,
        int vIndex
)

Public Function GetControlPointAt ( 
        uIndex As Integer,
        vIndex As Integer
) As Point3d

public:
Point3d GetControlPointAt(
        int uIndex, 
        int vIndex
)

member GetControlPointAt : 
        uIndex : int * 
        vIndex : int -> Point3d

Parameters

uIndex Int32: [in] An index of a control point in the u-direction. Index starts from the 0 value.
vIndex Int32: [in] An index of a control point in the v-direction. Index starts from the 0 value.

Return Value

Point3d

Remarks

If the surface doesn't contain control point information, the method throws the eFail exception. The method throws the eOutOfRange exception if uIndex or vIndex are not valid.

Reference

NurbSurface Class

Teigha.DatabaseServices Namespace