API Reference > geometry-core > Numerics > Point4d > velocityXYZ velocityXYZ Method dotProduct with (x,y,z, 0). Used in PlaneAltitudeEvaluator interface velocityXYZ(x: number, y: number, z: number): number Parameter Type Description x number y number z number Returns - number Defined in geometry4d/Point4d.ts Line 315 Last Updated: 11 June, 2024