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): undefined | Ray3d Parameter Type Description weightedPoint Float64Array [x,y,z,w] parts of weighted point. weightedDerivative Float64Array [x,y,z,w] derivatives result Ray3d Returns - undefined | Ray3d Defined in geometry3d/Ray3d.ts Line 75 Last Updated: 11 June, 2024