API Reference > geometry-core > Polyface > SortableEdge > lessThan lessThan MethodStatic lexical comparison of two edges. If the edges have the same vertex pair (in same or opposite order) they will end up adjacent in a sort If the edges have 0 or 1 shared vertex indices, the one with lowest low comes first. lessThan(edgeA: SortableEdge, edgeB: SortableEdge): number Parameter Type Description edgeA SortableEdge first edge edgeB SortableEdge second edge Returns - number Defined in polyface/IndexedEdgeMatcher.ts Line 58 Last Updated: 11 June, 2024