Show examples of all parameters that can be tuned

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diff --git a/PWG2/FORWARD/analysis2/AddTaskFMD.C b/PWG2/FORWARD/analysis2/AddTaskFMD.C
index 0873fe7f8566f4ebaada538ccbc73bea5892f36e..f0bebe5d4454d2ecf7ae6286167573d1817aaf9b 100644 (file)
--- a/PWG2/FORWARD/analysis2/AddTaskFMD.C
+++ b/PWG2/FORWARD/analysis2/AddTaskFMD.C
@@ -12,12 +12,49 @@ AddTaskFMD(Int_t nCutBins=1, Float_t correctionCut=0.1)
     return NULL;
   }   
 
+  // --- Make the task and add it to the manager ---------------------
   AliForwardMultiplicity* task = new AliForwardMultiplicity("FMD");
+  mgr->AddTask(task);
+
+  // --- Set parameters on the algorithms ----------------------------
+  // Set the number of SPD tracklets for which we consider the event a
+  // low flux event
+  task->GetEventInspector().SetLowFluxCut(1000); 
+  // Set the maximum error on v_z [cm]
+  task->GetEventInspector().SetMaxVzErr(0.2);
+  // Set the eta axis to use - note, this overrides whatever is used
+  // by the rest of the algorithms - but only for the energy fitter
+  // algorithm. 
+  task->GetEnergyFitter().SetEtaAxis(200, -4, 6);
+  // Set the low cut used for energy
+  task->GetEnergyFitter().SetLowCut(0.4);
+  // Set the number of bins to subtract from maximum of distributions
+  // to get the lower bound of the fit range
+  task->GetEnergyFitter().SetBinsToSubtract(4);
+  // Set the maximum number of landaus to try to fit (max 5)
+  task->GetEnergyFitter().SetNLandau(5);
+  // Set the minimum number of entries in the distribution before
+  // trying to fit to the data
+  task->GetEnergyFitter().SetMinEntries(1000);
+  // Set maximum energy loss to consider 
+  task->GetEnergyFitter().SetMaxE(10); 
+  // Set number of energy loss bins 
+  task->GetEnergyFitter().SetNEbins(300);
+  // Set whether to use increasing bin sizes 
+  task->GetEnergyFitter().SetUseIncreasingBins(true);
+  // Set the low cut used for sharing 
+  task->GetSharingFilter().SetLowCut(0.3);
+  // Set the number of extra bins (beyond the secondary map border) 
   task->GetHistCollector().SetNCutBins(nCutBins);
+  // Set the correction cut, that is, when bins in the secondary map 
+  // is smaller than this, they are considered empty 
   task->GetHistCollector().SetCorrectionCut(correctionCut);
-  task->SetLowFluxCut(1000);
-  mgr->AddTask(task);
+  // Set the overall debug level (1: some output, 3: a lot of output)
+  task->SetDebug(0);
+  // Set the debug level of a single algorithm 
+  task->GetEnergyFitter().SetDebug(3);
   
+  // --- Set up the parameer manager ---------------------------------
   AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
   AliMCEventHandler* mcHandler = 
     dynamic_cast<AliMCEventHandler*>(mgr->GetMCtruthEventHandler());
@@ -34,13 +71,12 @@ AddTaskFMD(Int_t nCutBins=1, Float_t correctionCut=0.1)
   }
   pars->Init();
   
+  // --- Makek the output container and connect it -------------------
   TString outputfile = AliAnalysisManager::GetCommonFileName();
   outputfile += Form(":%s",pars->GetDndetaAnalysisName());
   AliAnalysisDataContainer* histOut = 
     mgr->CreateContainer("Forward", TList::Class(), 
                         AliAnalysisManager::kOutputContainer,outputfile);
-
-
   mgr->ConnectInput(task, 0, mgr->GetCommonInputContainer());
   mgr->ConnectOutput(task, 1, histOut);