API Reference > geometry-core > Serialization > BSplineCurve3dH > assemblePackedXYZW assemblePackedXYZW MethodStatic Assemble a variously structured control points into packed array of [xyzw]. assemblePackedXYZW(controlPoints: Point3d[] | Float64Array | Point4d[] | { weights: Float64Array, xyz: Float64Array }): undefined | Float64Array Parameter Type Description controlPoints Point3d[] | Float64Array | Point4d[] | { weights: Float64Array, xyz: Float64Array } Returns - undefined | Float64Array Defined in bspline/BSplineCurve3dH.ts Line 140 Last Updated: 12 June, 2024