RFNurbsSurface.SetHControlPoints

Description

Sets all the control points of the NURBS surface as specified homogeneous control point coordinates.

Syntax

Function RFNurbsSurface.SetHControlPoints(ptsCount As Long, pCtrlPoint As RFHPoint) As RFErrorCode

The SetHControlPoints syntax has these parts:

Part	Description
ptsCount	[IN] Long Required. Number of control points to set.
pCtrlPoint	[IN] RFHPoint Required. The first element of RFHPoint array containing homogeneous control point coordinates.

Remarks

The size of control point RFHPoint array pCtrlPoint, specified by ptsCount, should be the same as the number of control points of NURBS surface.
Control points should be stored in following order,

pCtrlPoint (0) = Control Points (0,0)
pCtrlPoint (1) = Control Points (0,1)

pCtrlPoint (Vn - 1 ) = Control Points (0, Vn - 1)
pCtrlPoint (Vn) = Control Points (1,0)

pCtlPoint (Un X Vn - 1) = Control Points (Un - 1, Vn - 1 )

where, Un = the number of control points in U parametric direction.
Vn = the number of control points in V parametric direction.
Control Points (i,j) = I'th in U parametric direction and j'th in V parametric direction control point of NURBS surface.