API Reference > geometry-core > CartesianGeometry > Ray3d > createWeightedDerivative createWeightedDerivative MethodStatic Given a homogeneous point and its derivative components, construct a Ray3d with cartesian coordinates and derivatives. createWeightedDerivative(weightedPoint: Float64Array, weightedDerivative: Float64Array, result?: Ray3d): Ray3d | undefined Parameter Type Description weightedPoint Float64Array [x,y,z,w] parts of weighted point. weightedDerivative Float64Array [x,y,z,w] derivatives result Ray3d Returns - Ray3d | undefined Defined in core/geometry/src/geometry3d/Ray3d.ts Line 74 Last Updated: 13 June, 2024