API Reference > geometry-core > Numerics > Point4d > createRealDerivativePlane3dByOriginAndVectorsDefault000 createRealDerivativePlane3dByOriginAndVectorsDefault000 MethodStatic If w is nonzero, return Vector3d which is the derivative of the projected xyz with given w and 4d derivatives. If w is zero, return 000 createRealDerivativePlane3dByOriginAndVectorsDefault000(x: number, y: number, z: number, w: number, dx: number, dy: number, dz: number, dw: number, ddx: number, ddy: number, ddz: number, ddw: number, result?: Plane3dByOriginAndVectors): Plane3dByOriginAndVectors Parameter Type Description x number x coordinate y number y coordinate z number z coordinate w number w coordinate dx number x coordinate of derivative dy number y coordinate of derivative dz number z coordinate of derivative dw number w coordinate of derivative ddx number ddy number ddz number ddw number result Plane3dByOriginAndVectors optional result Returns - Plane3dByOriginAndVectors Defined in geometry4d/Point4d.ts Line 433 Last Updated: 11 June, 2024