* @ingroup pwglf_forward_dndeta
*
*/
-#include <AliAnalysisTaskSE.h>
+#include "AliBaseAODTask.h"
+#include <AliAnalysisUtils.h>
class TAxis;
class TList;
class TH2D;
* @ingroup pwglf_forward_tasks_dndeta
* @ingroup pwglf_forward_dndeta
*/
-class AliBasedNdetaTask : public AliAnalysisTaskSE
+class AliBasedNdetaTask : public AliBaseAODTask
{
public:
/**
/**
* Do the full normalisation
* @f[
- * N = \frac{1}{\epsilon_X}(N_A-N_A/N_V(N_T-N_V)) =
- * \frac{1}{\epsilon_X}\frac{1}{\epsilon_V}N_A
+ * N = (N_A-N_A/N_V(N_T-N_V)) = \frac{1}{\epsilon_V}N_A
* @f]
*/
kEventLevel = 0x1,
/**
- * Do the shape correction
+ * Dummy
*/
- kShape = 0x2,
+ kDummy = 0x2,
/**
- * Correct for background events (A+C-E). Not implemented yet
+ * Correct for background events (A+C-E)
*/
kBackground = 0x4,
/**
- * Correct for the trigger efficiency from MC
+ * Correct for the trigger efficiency
+ *
+ * @f[
+ * N = N_A \frac{1}{\epsilon_X}
+ * @f]
*/
kTriggerEfficiency = 0x8,
/**
/**
* Do the full correction
*/
- kFull = kEventLevel | kShape | kBackground | kTriggerEfficiency,
+ kFull = kEventLevel | kBackground | kTriggerEfficiency,
+ };
+ /**
+ * Mask for selecting pile-up
+ */
+ enum EPileupMask {
+ /**
+ * Use the flag from AOD
+ */
+ kPileupNormal = 0,
+ /**
+ * Check the pile-up flag from SPD
+ */
+ kPileupSPD = 0x1,
+ /**
+ * Check the pileup flag from tracks
+ */
+ kPileupTrk = 0x2,
+ /**
+ * Check the out-of-bunch pileup flag
+ */
+ kPileupBC = 0x4,
+ /**
+ * Use the flag from AOD
+ */
+ kPileupFull = 0x8,
+ /**
+ * Also accept pileup
+ */
+ kPileupIgnore = 0x10,
+ /**
+ * Use analysis utility class
+ */
+ kPileupUtil = 0x20
+ };
+
+ enum ECentralityEstimator {
+ kCentNone,
+ kCentDefault, // What ever stored in AOD
+ kCentV0M, // VZERO multiplcity
+ kCentV0A, // VZERO-A
+ kCentV0A123, // VZERO-A
+ kCentV0C, // VZERO-C
+ kCentFMD, // FMD
+ kCentTrk, // Tracks
+ kCentTkl, // Tracklets
+ kCentCL0, // Clusters in SPD-0
+ kCentCL1, // Clusters in SPD-1
+ kCentCND, // Clusters
+ kCentZNA, // ZDC neutrons A-side
+ kCentZNC, // ZDC neutrons C-side
+ kCentZPA, // ZDC protons A-side
+ kCentZPC, // ZDC protons C-side
+ kCentNPA, // ?
+ kCentV0MvsFMD, // V0M vs FMD
+ kCentTklvsV0M, // Tracks vs V0M
+ kCentZEMvsZDC, // ZDC veto vs neutrons
+ kCentTrue = 0x100,
+ kCentEq = 0x200
};
/**
* Constructor
*
*/
virtual ~AliBasedNdetaTask();
-
+
/**
* @{
* @name Task configuration
* @param level Debug level
*/
virtual void SetDebugLevel(Int_t level);
- /**
- * Set the vertex range to use
- *
- * @param min Minimum (in centermeter)
- * @param max Maximum (in centermeter)
- */
- void SetVertexRange(Double_t min, Double_t max) { fVtxMin=min; fVtxMax=max; }
- /**
- * Set the rebinning factor
- *
- * @param rebin Rebinning factor
- */
- void SetRebinning(Int_t rebin) { fRebin = rebin; }
- /**
- * Set the trigger maskl
- *
- * @param mask Trigger mask
- */
- void SetTriggerMask(UShort_t mask);
- /**
- * Set the trigger mask
- *
- * @param mask trigger mask
- */
- void SetTriggerMask(const char* mask);
- /**
- * Set the centrality bins to use.
- *
- * @code
- * UShort_t bins[] = { 0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
- * task->SetCentralityBins(11, bins);
- * @endcode
- *
- * @param n Number of bins (elements in @a bins minus 1)
- * @param bins Bin limits
- */
- void SetCentralityAxis(UShort_t n, Short_t* bins);
- /**
- * Whether to cut edges when merging
- *
- * @param cut If true, cut edges
- */
- void SetCutEdges(Bool_t cut) {fCutEdges = cut;}
/**
* Set whether to correct for empty bins when projecting on the X axis.
*
* @param e Trigger efficiency for 0-bin
*/
void SetTriggerEff0(Double_t e) { fTriggerEff0 = e; }
+ /**
+ * Set satellite vertex flag
+ *
+ * @param satVtx
+ */
+ void SetSatelliteVertices(Bool_t satVtx) { fSatelliteVertices = satVtx; }
/**
- * Set the shape correction (a.k.a., track correction) for selected
- * trigger(s)
- *
- * @param h Correction
+ * Set which centrality estimator to use - if not set, use the one
+ * from the Forward AOD object. Note, the string is diagnosed, and
+ * if found not to be valid, then a the program terminates via a
+ * Fatal.
+ *
+ * @param method String definining centrality method (case insensitive)
+ * Typical values are
+ * - V0M (e.g., PbPb)
+ * - V0A
+ * - V0C
+ * - FMD
+ * - ZNA (e.g., pPb)
+ * - ZNC (e.g., Pbp)
+ * - ZPA
+ * - ZPC
+ * - ZEMvsZDC
+ *
+ * @return true if @a method is valid estimator
+ */
+ Bool_t SetCentralityMethod(const TString& method);
+ /**
+ * Get reference to the analysis utility
+ *
+ * @return reference to the AliAnalysisUtils object
*/
- void SetShapeCorrection(const TH2F* h);
+ AliAnalysisUtils& GetAnalysisUtils() { return fAnaUtil; }
/**
* Get a string representing the normalization scheme
*
* @param what List of options
*/
void SetNormalizationScheme(const char* what);
+ /**
+ * Set the mask for checking pile-up events
+ *
+ * @param bits A bit pattern of EPileupMask bits
+ */
+ void SetPileupMask(UShort_t bits) { fPileupMask = bits; }
/**
* Filename of final MC correction
*
fFinalMCCorrFile.Append(filename);
}
/**
- * Load the normalization data - done automatically if not set from outside
+ * Flag whether we should disregard SPD outlier events, as flagged
+ * by AliTriggerAnalysis::IsSPDClusterVsTrackletBG. The default
+ * setting for this flags events as outliers if
+ *
+ @f[
+ N_{cluster} > 65 + 4 N_{tracklet}
+ @f]
+ *
+ * where @f$N_{cluster}@f$ is the total number of clusters in both
+ * SPD layers, and @f$N_{tracklet}@f$ is the total number of
+ * tracklets in the SPD.
*
- * @param sys system
- * @param energy energy
+ * @param check If true, then check for SPD outlier events before processing.
*/
- void LoadNormalizationData(UShort_t sys, UShort_t energy);
+ void SetCheckSPDOutlier(Bool_t check=true) { fCheckSPDOutlier = check; }
/** @} */
/**
* Print information
/** @{
* @name Task interface
*/
- /**
- * Initialise on master - does nothing
- *
- */
- virtual void Init() {}
/**
* Create output objects.
*
* This is called once per slave process
+ *
+ * @return true on success
*/
- virtual void UserCreateOutputObjects();
+ virtual Bool_t Book();
/**
* Process a single event
*
- * @param option Not used
+ * @return true on success
*/
- virtual void UserExec(Option_t* option);
+ virtual Bool_t Event(AliAODEvent& aod);
/**
* Called at end of event processing.
*
* This is called once in the master
*
- * @param option Not used
+ * @return true on success
*/
- virtual void Terminate(Option_t* option);
+ virtual Bool_t Finalize();
/* @} */
/**
* @{
* @name Services member functions
*/
- /**
- * Make a copy of the input histogram and rebin that histogram
- *
- * @param h Histogram to rebin
- * @param rebin Rebinning factor
- * @param cutEdges Whether to cut edges when rebinning
- *
- * @return New (rebinned) histogram
- */
- static TH1D* Rebin(const TH1D* h, Int_t rebin, Bool_t cutEdges=false);
- /**
- * Make an extension of @a h to make it symmetric about 0
- *
- * @param h Histogram to symmertrice
- *
- * @return Symmetric extension of @a h
- */
- static TH1* Symmetrice(const TH1* h);
/**
* Project onto the X axis
*
*/
static void SetHistogramAttributes(TH1D* h, Int_t colour, Int_t marker,
const char* title,
- const char* ytitle="#frac{1}{N} #frac{dN_{ch}}{d#eta}");
+ const char* ytitle=0);
/** @} */
/**
* @return New style
*/
static Int_t FlipHollowStyle(Int_t style);
+ /**
+ * Setter of empirical correction
+ *
+ * @param h 2D histogram of ratio of nominal @f$ 1/N
+ * dN_{ch}/d\eta@f$ to satellite @f$ 1/N dN_{ch}/d\eta@f$ in PbPb
+ * collisions as a function of @f$\eta@f$ and interaction point
+ * Z-coordinate @f$ IP_{z}@f$
+ */
+ void SetGlobalEmpiricalcorrection(TH2D* h){fEmpiricalCorrection=h;}
protected:
/**
- * Copy contructor
+ * Copy contructor - not defined
*/
- AliBasedNdetaTask(const AliBasedNdetaTask&);
+ AliBasedNdetaTask(const AliBasedNdetaTask&){;}
/**
- * Assignment operator
+ * Assignment operator - not defined
*
*
* @return
*/
- AliBasedNdetaTask& operator=(const AliBasedNdetaTask&) { return *this; }
+ AliBasedNdetaTask& operator=(const AliBasedNdetaTask&);
// Forward declaration
class CentralityBin;
+ /**
+ * Check if the event corresponds to the selected trigger(s),
+ * vertex, and centrality. Derived classes can overload this to
+ * enable event processing - even if the event is not within cuts.
+ *
+ * @param forward Forward object
+ *
+ * @return true if the event is within the cuts.
+ */
+ virtual Bool_t CheckEvent(const AliAODForwardMult& forward);
/**
* Create the CentralityBin objects if not already done.
*
*
* @return Retrieved histogram or null
*/
- virtual TH2D* GetHistogram(const AliAODEvent* aod, Bool_t mc=false) = 0;
+ virtual TH2D* GetHistogram(const AliAODEvent& aod, Bool_t mc=false) = 0;
/**
* Get the colour to use for markers (only pp - in PbPb we use a rainbow)
*
* @return Marker style
*/
virtual Int_t GetMarker() const { return GetMarkerStyle(kCircle); }
+ /**
+ * Massage data histograms if needed
+ *
+ * @param vtx
+ * @param data
+ * @param mcData
+ */
+ virtual void CheckEventData(Double_t vtx,
+ TH2* data,
+ TH2* mcData);
/**
* Add a centrality bin
*
virtual CentralityBin* MakeCentralityBin(const char* name, Short_t low,
Short_t high) const;
+ // function which applies empirical correction to the AOD object
+ Bool_t ApplyEmpiricalCorrection(const AliAODForwardMult* aod,TH2D* data);
+
+
+ static Int_t GetCentMethodID(const TString& meth);
+ static const char* GetCentMethod(UShort_t id);
+
//==================================================================
/**
* Class that holds the sum of the data - possibly split into 0 or
*
* @return Reference to this object
*/
- Sum& operator=(const Sum& o) {
+ Sum& operator=(const Sum& o)
+ {
+ if (&o == this) return *this;
SetName(o.GetName()); fSum = o.fSum; fSum0 = o.fSum0; fEvents=o.fEvents;
return *this;
}
TH2D* CalcSum(TList* o, Double_t& ntotal,
Double_t zeroEff, Double_t otherEff=1, Int_t marker=20,
Bool_t rootXproj=false, Bool_t corrEmpty=true) const;
+
+ ClassDef(Sum,2); // Summed histograms
};
//==================================================================
class CentralityBin : public TNamed
{
public:
- /** dN
+ /**
* Constructor
*/
CentralityBin();
* @param vzMax Maximum IP z coordinate
* @param data Data histogram
* @param mc MC histogram
+ * @param checkPileup If true, disregard pile-up events (global flag)
+ *
+ * @return true if the event was selected
*/
- virtual void ProcessEvent(const AliAODForwardMult* forward,
- Int_t triggerMask,
- Bool_t isZero,
- Double_t vzMin,
- Double_t vzMax,
- const TH2D* data,
- const TH2D* mc);
+ virtual Bool_t ProcessEvent(const AliAODForwardMult* forward,
+ Int_t triggerMask,
+ Bool_t isZero,
+ Double_t vzMin,
+ Double_t vzMax,
+ const TH2D* data,
+ const TH2D* mc,
+ Bool_t checkPileup);
/**
* Calculate the Event-Level normalization.
*
* @param postfix Post fix on names
* @param rootProj Whether to use ROOT TH2::ProjectionX
* @param corrEmpty Correct for empty bins
- * @param shapeCorr Shape correction to use
* @param scaler Event-level normalization scaler
- * @param symmetrice Whether to make symmetric extensions
- * @param rebin Whether to rebin
- * @param cutEdges Whether to cut edges when rebinning
* @param marker Marker style
* @param color Color of markers
* @param mclist List of MC data
const char* postfix,
bool rootProj,
bool corrEmpty,
- const TH2F* shapeCorr,
Double_t scaler,
- bool symmetrice,
- Int_t rebin,
- bool cutEdges,
Int_t marker,
Int_t color,
TList* mclist,
* @param sums List of sums
* @param results Output list of results
* @param scheme Normalisation scheme options
- * @param shapeCorr Shape correction or nil
* @param trigEff Trigger efficiency
* @param trigEff0 0-bin trigger efficiency
- * @param symmetrice Whether to symmetrice the results
- * @param rebin Whether to rebin the results
* @param rootProj If true, use TH2::ProjectionX
* @param corrEmpty Whether to correct for empty bins
- * @param cutEdges Whether to cut edges when rebinning
* @param triggerMask Trigger mask
* @param marker Marker style
* @param color Color of markers
virtual void End(TList* sums,
TList* results,
UShort_t scheme,
- const TH2F* shapeCorr,
Double_t trigEff,
Double_t trigEff0,
- Bool_t symmetrice,
- Int_t rebin,
Bool_t rootProj,
Bool_t corrEmpty,
- Bool_t cutEdges,
Int_t triggerMask,
Int_t marker,
Int_t color,
*
* @return Trigger histogram
*/
- TH1I* GetTrigggers() { return fTriggers; }
+ TH1I* GetTriggers() { return fTriggers; }
+ /**
+ * Get trigger histogram
+ *
+ * @return Trigger histogram
+ */
+ const TH1I* GetStatus() const { return fStatus; }
+ /**
+ * Get trigger histogram
+ *
+ * @return Trigger histogram
+ */
+ TH1I* GetStatus() { return fStatus; }
/** @} */
/**
/**
* Get list of results
*
- *
* @return List of results
*/
TList* GetResults() const { return fOutput; }
/**
- * Get name of result histogram
+ * Get name of result histogram. Note, the returned pointer points
+ * to static memory and should be copied/used immediately.
*
- * @param rebin
- * @param sym
- * @param postfix
+ * @param rebin Whether to get rebinned result
+ * @param sym Whether to get symmetric extension
+ * @param postfix Possible postfix (e.g., "MC")
*
* @return
*/
- const char* GetResultName(Int_t rebin, Bool_t sym,
- const char* postfix="") const;
+ const char* GetResultName(const char* postfix="") const;
/**
* Get a result
*
- * @param rebin
- * @param sym
- * @param postfix
+ * @param postfix Possible postfix (e.g., "MC")
+ * @param verbose If true, complain about missing histogram
*
- * @return
+ * @return Pointer to histogram or null
*/
- TH1* GetResult(Int_t rebin, Bool_t sym,
- const char* postfix="") const;
+ TH1* GetResult(const char* postfix="",
+ Bool_t verbose=true) const;
/**
* Set the debug level
*
* @param lvl Debug level
*/
void SetDebugLevel(Int_t lvl);
+ /**
+ * Set satellite vertex flag
+ *
+ * @param satVtx
+ */
+ void SetSatelliteVertices(Bool_t satVtx) { fSatelliteVertices = satVtx; }
protected:
/**
* Read in sum hisotgram from list
virtual Bool_t CheckEvent(const AliAODForwardMult* forward,
Int_t triggerMask,
Double_t vzMin,
- Double_t vzMax);
+ Double_t vzMax,
+ Bool_t checkPileup);
TList* fSums; // Output list
TList* fOutput; // Output list
Sum* fSum; // Sum histogram
Sum* fSumMC; // MC sum histogram
TH1I* fTriggers; // Trigger histogram
+ TH1I* fStatus; // Trigger histogram
UShort_t fLow; // Lower limit (inclusive)
UShort_t fHigh; // Upper limit (exclusive)
Bool_t fDoFinalMCCorrection; //Do final MC correction
+ Bool_t fSatelliteVertices; // Satellite vertex flag
Int_t fDebug; // Debug level
- ClassDef(CentralityBin,3); // A centrality bin
+ ClassDef(CentralityBin,4); // A centrality bin
};
- TList* fSums; // Container of sums
- TList* fOutput; // Container of outputs
- Double_t fVtxMin; // Minimum v_z
- Double_t fVtxMax; // Maximum v_z
- Int_t fTriggerMask; // Trigger mask
- Int_t fRebin; // Rebinning factor
- Bool_t fCutEdges; // Whether to cut edges when rebinning
- Bool_t fSymmetrice; // Whether to symmetrice data
Bool_t fCorrEmpty; // Correct for empty bins
Bool_t fUseROOTProj; // Whether to use ROOT's ProjectionX
Double_t fTriggerEff; // Trigger efficiency for selected trigger(s)
Double_t fTriggerEff0; // Bin-0 Trigger efficiency for sel trigger(s)
- TH2F* fShapeCorr; // Shape correction
TObjArray* fListOfCentralities; // Centrality bins
- TObject* fSNNString; // sqrt(s_NN) string
- TObject* fSysString; // Collision system string
- TH1D* fCent; // Centrality distribution
- TAxis* fCentAxis; // Centrality axis
UShort_t fNormalizationScheme; // Normalization scheme
- TObject* fSchemeString; // Normalization scheme string
- TObject* fTriggerString; // Trigger string
TString fFinalMCCorrFile; //Filename for final MC corr
-
- ClassDef(AliBasedNdetaTask,10); // Determine charged particle density
+ Bool_t fSatelliteVertices; // satellite vertex flag
+ TH2D* fEmpiricalCorrection; // Empirical correction
+ TH2D* fMeanVsC; //mean signal per event vs cent
+ TString fCentMethod; // Centrality estimator
+ UShort_t fPileupMask; // Pile-up checks
+ AliAnalysisUtils fAnaUtil; // Analysis utility
+ Bool_t fCheckSPDOutlier; // Check for SPD outliers
+ ClassDef(AliBasedNdetaTask,17); // Determine charged particle density
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff