API Reference > geometry-core > Topology > ChainMergeContextOptions ChainMergeContextOptions Interface interface containing various options appropriate to merging lines segments into chains. Properties Name Type Description primarySortDirection undefined | Vector3d Direction for primary sort. tolerance undefined | number Tolerance for declaring points equal Defined in core/geometry/src/topology/ChainMerge.ts Line 21 Last Updated: 13 June, 2024