FPGATrackSimClusteringTool Node1 FPGATrackSimClusteringTool + FPGATrackSimClusteringTool() + ~FPGATrackSimClusteringTool() + DoClustering() - SortedClustering() - Clustering() - splitAndSortHits() - splitAndSortHits() - splitHitsToModules() - normaliseClusters() - sortHitsOnModules() - sortHitsOnModules() - etaOrPhi() - sortIBLInput() - sortPixelInput() Node2 extends< AthAlgTool, FPGATrackSimClusteringToolI > Node2->Node1