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EvaluateNurbsSurfacePointAndNormal.md

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EvaluateNurbsSurfacePointAndNormal

Description

Determines the point and normal on the NURBS surface at the given u/v value.

FUNCTION EvaluateNurbsSurfacePointAndNormal(
				surfaceHandle               : HANDLE;
				u                           : REAL;
				v                           : REAL;
				VAR pointX,pointY,pointZ    : REAL;
				VAR normalX,normalY,normalZ : REAL): BOOLEAN;
def vs.EvaluateNurbsSurfacePointAndNormal(surfaceHandle, u, v):
    return (BOOLEAN, point, normal)

Parameters

Name Type Description
surfaceHandle HANDLE Handle to NURBS surface being evaluated
u REAL parameter value of the point on the surface being evaluated
v REAL parameter value of the point on the surface being evaluated
point REAL Coordinate of the point on the surface
normal REAL normal vector of the surface computed at the point

Version

Availability: from VectorWorks10.0

Category