API Reference > geometry-core > Serialization > BGFBAccessors > BGFBAccessors.CatenaryCurve > origin origin Method origin(obj?: BGFBAccessors.DPoint3d): | BGFBAccessors.DPoint3d Parameter Type Description obj BGFBAccessors.DPoint3d Returns - | BGFBAccessors.DPoint3d DPoint3d|null Defined in serialization/BGFBAccessors.ts Line 2362 Last Updated: 11 June, 2024