for debug hcal_clustering.py with XY merger

benchmarks/clustering/options/hcal_clustering.py

@@ -87,13 +87,16 @@ hcal_reco = HCalReconstruction("hcal_reco",
         OutputLevel=DEBUG)
 
 #clusters
-xymerger = CalorimeterHitsMerger("hcal_xy_merger",                             
+xymerger = CalorimeterHitsMerger("hcal_xy_merger",                            # 
           fields=["layer", "slice"],
+          fieldRefNumbers=[0,0],
           inputHitCollection="RecHcalBarrelHits",
-          outputHitCollection="RecHcalBarrelHitsXY")
+          outputHitCollection="RecHcalBarrelHitsXY",
+          OutputLevel=DEBUG)                       
+          
 
 hcal_barrel_cluster = IslandCluster("hcal_barrel_cluster", 
-        inputHitCollection="RecHcalBarrelHitsXY", 
+        inputHitCollection="RecHcalBarrelHits", 
         outputClusterCollection="HcalBarrelClusters",
         minClusterCenterEdep=30*units.MeV, 
         groupRange=2.0,