API Reference > geometry-core > Curve > LineSegment3d > appendPlaneIntersectionPoints appendPlaneIntersectionPoints Method Compute points of simple (transverse) with a plane. Use isInPlane to test if the line segment is completely in the plane. appendPlaneIntersectionPoints(plane: PlaneAltitudeEvaluator, result: CurveLocationDetail[]): number Parameter Type Description plane PlaneAltitudeEvaluator result CurveLocationDetail[] Returns - number Defined in core/geometry/src/curve/LineSegment3d.ts Line 203 Last Updated: 13 June, 2024