API Reference > geometry-core > Topology > HalfEdgeGraphSearch > isTriangulatedCCW isTriangulatedCCW MethodStatic Test if the graph is triangulated. Return false if: Positive area face with more than 3 edges more than 1 negative area face with allowMultipleNegativeAreaFaces false 2-edge faces are ignored. isTriangulatedCCW(source: | [], allowMultipleNegativeAreaFaces: boolean = true, numPositiveExceptionsAllowed: number = 0): boolean Parameter Type Description source | [] allowMultipleNegativeAreaFaces boolean numPositiveExceptionsAllowed number Returns - boolean Defined in topology/HalfEdgeGraphSearch.ts Line 103 Last Updated: 12 June, 2024