API Reference > geometry-core > Topology > HalfEdgeTopo HalfEdgeTopo Enumeration Enumeration of categorization of "where" a HalfEdgePositionDetail is sitting in the graph. Members Name Value Description None 0 No known position Vertex 1 Edge 2 Face 3 Defined in core/geometry/src/topology/HalfEdgePositionDetail.ts Line 17 Last Updated: 15 June, 2021