API Reference › core-geometry› Bspline › BSpline2dNd › SpanFractionsToBasisFunctions

spanFractionsToBasisFunctions Method

Evaluate basis functions given

  • choice of u or v
  • span index
  • local fraction within the span.

spanFractionsToBasisFunctions(select: UVSelect, spanIndex: number, spanFraction: number, f: Float64Array, df?: Float64Array): boolean

@returns true if and only if output arrays are sufficiently sized

Parameter Type Description
select UVSelect  
spanIndex number  
spanFraction number  
f Float64Array  
df Float64Array  

Returns - boolean

true if and only if output arrays are sufficiently sized

Defined in

Last Updated: 29 October, 2025