create MethodStatic

Create a bspline with given knots.

• The poles have several variants:
  • Float64Array(4 * numPoles) in blocks of [wx,xy,wz,w]
  • Point4d[numPoles]
  • Point3d[], with implied unit weight to be added
  • number[][], with inner dimension 4
  • {xyz: Float64Array(3 * numPoles), weights: Float64Array (numPoles)}
• Two count conditions are recognized:
  • If poleArray.length + order == knotArray.length, the first and last are assumed to be the extraneous knots of classic clamping.
  • If poleArray.length + order == knotArray.length + 2, the knots are in modern form.

create(controlPointData: Float64Array | number[][] | Point3d[] | Point4d[] | { weights: Float64Array, xyz: Float64Array }, knotArray: Float64Array | number[], order: number): undefined | BSplineCurve3dH

Returns - undefined | BSplineCurve3dH

Defined in

• bspline/BSplineCurve3dH.ts Line 282