API Reference > geometry-core > Solid > Cone > uvFractionToPointAndTangents uvFractionToPointAndTangents Method Evaluate a point tangent plane on the Cone surfaces, with v = 0 is the base plane. v = 1 is the top plane u = 0 to u = 1 wraps the angular range. uvFractionToPointAndTangents(uFraction: number, vFraction: number, result?: Plane3dByOriginAndVectors): Plane3dByOriginAndVectors Parameter Type Description uFraction number vFraction number result Plane3dByOriginAndVectors Returns - Plane3dByOriginAndVectors Defined in solid/Cone.ts Line 246 Last Updated: 11 June, 2024