API Reference > geometry-core > CartesianGeometry > Point3dArray > sumWeightedZ sumWeightedZ MethodStatic sum the weighted x components from a point array. weights.length is the number of summed terms points must have at least that length sumWeightedZ(weights: Float64Array, points: Point3d[]): number Parameter Type Description weights Float64Array points Point3d[] Returns - number Defined in geometry3d/PointHelpers.ts Line 429 Last Updated: 11 June, 2024