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| static void | ConvertFromCurve (ON_NurbsCurve &crv, int dir, ON_NurbsSurface &srf) | 
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| static void | ConvertToCurve (const ON_NurbsSurface &srf, int dir, ON_NurbsCurve &crv) | 
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| static ON_3dPoint | CornerAt (const ON_Surface &srf, int corner) | 
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| static ON_BOOL32 | FromCurve (ON_NurbsCurve &crv, ON_NurbsSurface &srf, int dir) | 
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| static bool | ON_MakeDegreesCompatible (ON_NurbsCurve &nurbs_curveA, ON_NurbsCurve &nurbs_curveB) | 
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| static bool | ON_MakeDomainsCompatible (ON_NurbsCurve &nurbs_curveA, ON_NurbsCurve &nurbs_curveB) | 
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| static bool | ON_MakeKnotVectorsCompatible (ON_NurbsCurve &nurbs_curveA, ON_NurbsCurve &nurbs_curveB) | 
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| static void | ON_NurbsSurfaceCopyHelper (const ON_NurbsSurface &src, ON_NurbsSurface &dest) | 
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| ON_NurbsSurface * | ON_NurbsSurfaceQuadrilateral (const ON_3dPoint &P, const ON_3dPoint &Q, const ON_3dPoint &R, const ON_3dPoint &S, ON_NurbsSurface *nurbs_surface) | 
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|  | ON_OBJECT_IMPLEMENT (ON_NurbsSurface, ON_Surface,"4ED7D4DE-E947-11d3-BFE5-0010830122F0") | 
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| static ON_NurbsCurve * | ToCurve (const ON_NurbsSurface &srf, int dir, ON_NurbsCurve *crv) | 
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