API Reference > geometry-core > Topology > HalfEdgeGraphSearch > collectConnectedComponentsWithExteriorParityMasks collectConnectedComponentsWithExteriorParityMasks MethodStatic Collect arrays gathering faces by connected component. collectConnectedComponentsWithExteriorParityMasks(graph: , parityEdgeTester: undefined | HalfEdgeTestObject, parityMask: = HalfEdgeMask.NULL_MASK): [][] Parameter Type Description graph graph to inspect parityEdgeTester undefined | HalfEdgeTestObject (optional) function to test of an edge is a parity change. parityMask (optional, along with boundaryTestFunction) mask to apply indicating parity. If this is Mask.NULL_MASK, there is no record of parity. Returns - [][] Defined in topology/HalfEdgeGraphSearch.ts Line 204 Last Updated: 11 June, 2024