2 * @file AddTaskForwardQA.C
3 * @author Christian Holm Christensen <cholm@dalsgaard.hehi.nbi.dk>
4 * @date Wed Mar 23 12:14:03 2011
6 * @brief Include the Forward QA task in a train.
8 * @ingroup pwglf_forward_scripts_tasks
11 * @defgroup pwglf_forward_qa Quality Assurance
13 * Code to deal with Quality Assurance
15 * @ingroup pwglf_forward_topical
18 * This is the macro to include the Forward QA task in a train.
20 * @param mc Monte-carlo input
21 * @param useCent Use centrality
23 * @return newly constructured task object
25 * @ingroup pwglf_forward_eloss
28 AddTaskForwardQA(Bool_t mc=false, Bool_t useCent=false)
30 // --- Load libraries ----------------------------------------------
31 gROOT->LoadClass("AliAODForwardMult", "libPWGLFforward2");
33 // --- Make the task and add it to the manager ---------------------
34 AliForwardQATask* task = new AliForwardQATask("forwardQA");
36 // --- Cuts --------------------------------------------------------
37 // Note, the absolute lowest signal to consider - ever -
38 // irrespective of MC or real data, is 0.15. Signals below this
39 // will contain remenants of the pedestal (yes, the width of the
40 // pedestal is small, but there are many _many_ channels with only
41 // pedestal value in them, so the absolute number of high-value
42 // pedestal signals is large - despite the low probablity).
43 AliFMDMultCuts cSharingLow(AliFMDMultCuts::kFixed,0.15);
44 AliFMDMultCuts cSharingHigh(AliFMDMultCuts::kLandauSigmaWidth,1);
45 AliFMDMultCuts cDensity(AliFMDMultCuts::kLandauSigmaWidth,1);
47 // --- Set parameters on the algorithms ----------------------------
48 // Set the number of SPD tracklets for which we consider the event a
50 task->GetEventInspector().SetLowFluxCut(1000);
51 // Set the maximum error on v_z [cm]
52 task->GetEventInspector().SetMaxVzErr(0.2);
53 // Disable use of code from 1st Physics
54 task->GetEventInspector().SetUseFirstPhysicsVtx(kFALSE);
56 // --- Set parameters on energy loss fitter ------------------------
57 // Set the eta axis to use - note, this overrides whatever is used
58 // by the rest of the algorithms - but only for the energy fitter
60 task->GetEnergyFitter().SetEtaAxis(200, -4, 6);
61 // Set maximum energy loss to consider
62 task->GetEnergyFitter().SetMaxE(15);
63 // Set number of energy loss bins
64 task->GetEnergyFitter().SetNEbins(500);
65 // Set whether to use increasing bin sizes
66 task->GetEnergyFitter().SetUseIncreasingBins(true);
67 // Set whether to do fit the energy distributions
68 task->GetEnergyFitter().SetDoFits(kTRUE);
69 // Set whether to make the correction object
70 task->GetEnergyFitter().SetDoMakeObject(kFALSE);
71 // Set the low cut used for energy
72 task->GetEnergyFitter().SetLowCut(0.4);
73 // Set the number of bins to subtract from maximum of distributions
74 // to get the lower bound of the fit range
75 task->GetEnergyFitter().SetFitRangeBinWidth(4);
76 // Set the minimum number of entries in the distribution before
77 // trying to fit to the data
78 task->GetEnergyFitter().SetMinEntries(1000);
80 // --- Sharing filter ----------------------------------------------
81 // Enable use of angle corrected signals in the algorithm
82 task->GetSharingFilter().SetUseAngleCorrectedSignals(true);
83 // Disable use of angle corrected signals in the algorithm
84 task->GetSharingFilter().SetZeroSharedHitsBelowThreshold(false);
85 // Enable use of angle corrected signals in the algorithm
86 task->GetSharingFilter().SetHCuts(cSharingHigh);
87 // Lower cuts from object
88 task->GetSharingFilter().SetLCuts(cSharingLow);
89 // Whether to use simple merging algorithm
90 task->GetSharingFilter().SetUseSimpleSharing(true);
91 // Whether to allow for 3 strip hits - deprecated
92 task->GetSharingFilter().SetAllow3Strips(false);
94 // --- Density calculator ------------------------------------------
95 // Least acceptable quality of ELoss fits
96 task->GetDensityCalculator().SetMinQuality(8);
97 // Set the maximum number of particle to try to reconstruct
98 task->GetDensityCalculator().SetMaxParticles(3);
99 // Wet whether to use poisson statistics to estimate N_ch
100 task->GetDensityCalculator().SetUsePoisson(true);
101 // How to lump for Poisson calculator - 64 strips, 4 regions
102 task->GetDensityCalculator().SetLumping(32,4);
103 // Set whether or not to include sigma in cut
104 task->GetDensityCalculator().SetCuts(cDensity);
105 // Set the maximum ratio of outlier bins to the total number of bins
106 // task->GetDensityCalculator().SetMaxOutliers(.10);
107 task->GetDensityCalculator().SetMaxOutliers(1.0);//Disable filter
108 // Set whether or not to use the phi acceptance
109 // AliFMDDensityCalculator::kPhiNoCorrect
110 // AliFMDDensityCalculator::kPhiCorrectNch
111 // AliFMDDensityCalculator::kPhiCorrectELoss
112 task->GetDensityCalculator()
113 .SetUsePhiAcceptance(AliFMDDensityCalculator::kPhiCorrectNch);
115 // --- Set limits on fits the energy -------------------------------
116 // Maximum relative error on parameters
117 // AliFMDCorrELossFit::ELossFit::fgMaxRelError = .12;
118 // Least weight to use
119 // AliFMDCorrELossFit::ELossFit::fgLeastWeight = 1e-5;
120 // Maximum value of reduced chi^2
121 // AliFMDCorrELossFit::ELossFit::fgMaxChi2nu = 20;
123 // --- Debug -------------------------------------------------------
124 // Set the overall debug level (1: some output, 3: a lot of output)
127 // --- Make the output container and connect it --------------------
128 task->Connect(AliAnalysisManager::GetCommonFileName(), "trending.root");