API Reference > imodeljs-common > Serialization > EGFBAccessors > EGFBAccessors.ArcPrimitive > center center Method center(obj?: EGFBAccessors.DPoint3d): | EGFBAccessors.DPoint3d Parameter Type Description obj EGFBAccessors.DPoint3d Returns - | EGFBAccessors.DPoint3d DPoint3d|null Defined in core/common/src/geometry/ElementGeometryFB.ts Line 1003 Last Updated: 11 June, 2024