*
* See cxx source for full Copyright notice
*/
-// Thil class computes background corrections for the FMD. The correction is computed
-// in eta,phi cells and the objects stored can be put into alien to use with analysis.
+// This class computes background corrections for the FMD. The
+// correction is computed in eta,phi cells and the objects stored can
+// be put into alien to use with analysis.
//
// Author: Hans Hjersing Dalsgaard, NBI, hans.dalsgaard@cern.ch
//
#define ALIFMDBACKGROUNDCORRECTION_H
#include "AliFMDInput.h"
-#include "TObjArray.h"
-#include "AliRunLoader.h"
+#include <TObjArray.h>
+#include <AliRunLoader.h>
+#include <AliFMDFloatMap.h>
+#include <TH2F.h>
+class AliTrackReference;
-class AliFMDBackgroundCorrection : public TNamed {
-
+/**
+ * Background correction map.
+ *
+ */
+class AliFMDBackgroundCorrection : public TNamed
+{
public:
-
+ /**
+ * Constructor
+ */
AliFMDBackgroundCorrection() ;
- ~AliFMDBackgroundCorrection() {};
- void GenerateBackgroundCorrection(Int_t nvtxbins=10,
- Float_t zvtxcut=10,
- Int_t nBinsEta=100,
- Bool_t storeInAlien = kFALSE,
- Int_t runNo =0,
- Int_t endRunNo=999999999,
- const Char_t* filename="background.root",
- Bool_t simulate = kFALSE,
- Int_t nEvents=10);
-
- class AliFMDInputBG : public AliFMDInput {
+ /**
+ * Destructor
+ */
+ virtual ~AliFMDBackgroundCorrection() {};
+ /**
+ * Generate the background correction
+ *
+ * @param from_hits Whether we run over hits
+ * @param nvtxbins Number of vertex bins
+ * @param zvtxcut Outer cut on interaction point Z coordinate
+ * @param nBinsEta Number of psuedo-rapidity bins
+ * @param storeInAlien Whether to store the result in AliEn
+ * @param runNo Run number
+ * @param endRunNo End validity
+ * @param filename The output file name
+ * @param simulate Whether to run the simulation or not
+ * @param nEvents Number of events to analyse
+ * @param inFile Whether an input file is specified
+ * @param infilename Input file name
+ */
+ void GenerateBackgroundCorrection(Bool_t from_hits = kFALSE,
+ Int_t nvtxbins = 10,
+ Float_t zvtxcut = 10,
+ Int_t nBinsEta = 100,
+ Bool_t storeInAlien = kFALSE,
+ Int_t runNo = 0,
+ Int_t endRunNo = 999999999,
+ const Char_t* filename ="background.root",
+ Bool_t simulate = kFALSE,
+ Int_t nEvents = 10,
+ Bool_t inFile = kFALSE,
+ const Char_t* infilename="");
+ /**
+ * Nested class that derives from AliFMDInput to do the actual
+ * processing
+ */
+ class AliFMDInputBG : public AliFMDInput
+ {
public :
- AliFMDInputBG() ;
-
+ //AliFMDInputBG() ;
+ /**
+ * Constructo
+ *
+ * @param hits_not_trackrefs Use hits rather than track references
+ */
+ AliFMDInputBG(Bool_t hits_not_trackrefs);
+ /**
+ * Initialize the object
+ *
+ *
+ * @return @c true on success.
+ */
Bool_t Init();
-
+
+ /**
+ * Get number of primaries seen
+ *
+ *
+ * @return Number of primaries seen
+ */
Int_t GetNprim() {return fPrim;}
+ /**
+ * Get number of hits (total number of particles seen)
+ *
+ *
+ * @return Total number of particles seen
+ */
Int_t GetNhits() {return fHits;}
+ /**
+ * Set the interaction point Z coordinate cut
+ *
+ * @param vtxCut The Z coordinate cut
+ */
void SetVtxCutZ(Double_t vtxCut) { fZvtxCut = vtxCut;}
+ /**
+ * Set the number of vertex bins
+ *
+ * @param nBins Number of vertex bins
+ */
void SetNvtxBins(Int_t nBins) { fNvtxBins = nBins;}
+ /**
+ * Set the number of eta bins
+ *
+ * @param nBins Number of eta bins
+ */
void SetNbinsEta(Int_t nBins) { fNbinsEta = nBins;}
+ /**
+ * Get a list of hits i.e., the particles that hit the FMD
+ *
+ * @return List of particles
+ */
TObjArray* GetHits() {return &fHitArray;}
+ /**
+ * Get a list of primaries i.e., the primary particles that hit the FMD
+ *
+ * @return List of particles
+ */
TObjArray* GetPrimaries() {return &fPrimaryArray;}
+ /**
+ * Get the run loader used
+ *
+ * @return Run loader used
+ */
AliRunLoader* GetRunLoader() {return fLoader; }
private:
+ /**
+ * Process a single hit
+ *
+ * @param h Hit data
+ * @param p Particle that made the hit
+ *
+ * @return @c false on failure
+ */
Bool_t ProcessHit(AliFMDHit* h, TParticle* p );
+ /**
+ * Process a track reference
+ *
+ * @param tr Track reference
+ * @param p Particle that made the track reference
+ *
+ * @return @c false on failure
+ */
+ Bool_t ProcessTrackRef(AliTrackReference* tr, TParticle* p );
+ /**
+ * Process a single event
+ *
+ * @param det Detector
+ * @param ring Ring
+ * @param sector Sector
+ * @param strip Strip
+ * @param nTrack Track number
+ * @param charge Charge
+ *
+ * @return @c false on failure
+ */
+ Bool_t ProcessEvent(UShort_t det,
+ Char_t ring,
+ UShort_t sector,
+ UShort_t strip,
+ Int_t nTrack,
+ Float_t charge);
+ /**
+ * Called at start of event
+ *
+ * @param event Event number
+ *
+ * @return @c false on failure
+ */
Bool_t Begin(Int_t event );
- TObjArray fPrimaryArray;
- TObjArray fHitArray;
- Int_t fPrim;
- Int_t fHits;
- Double_t fZvtxCut;
- Int_t fNvtxBins;
- Int_t fPrevTrack;
- Int_t fPrevDetector;
- Char_t fPrevRing;
- Int_t fNbinsEta;
+ /**
+ * Called at end of event
+ *
+ * @return @c false on failure
+ */
+ Bool_t End();
+ TObjArray fPrimaryArray; // List of primaries
+ TObjArray fHitArray; // List of all particles
+ TH2F fPrimaryMapInner; // Histogram for inners
+ TH2F fPrimaryMapOuter; // Histogram for outers
+ // FIXME: Consider using AliFMDUShortMap, or maybe new class AliFMDIntMap
+ AliFMDFloatMap fHitMap; // A map of hits
+ AliFMDFloatMap fLastTrackByStrip; // A map of last track
+ Int_t fPrim; // Number of primaries
+ Int_t fHits; // Number of hits
+ Double_t fZvtxCut; // Vertex cut
+ Int_t fNvtxBins; // Number of vertex bins
+ Int_t fPrevTrack; // Previous track number
+ Int_t fPrevDetector; // Previous detector number
+ Char_t fPrevRing; // Previous ring number
+ Int_t fPrevSec; // Previous sector number
+ Int_t fNbinsEta; // Number of eta bins
};
private:
-
- void Simulate(Int_t);
- void ProcessPrimaries(AliRunLoader*);
- TObjArray fCorrectionArray;
- TList fPrimaryList;
- //Double_t fZvtxCut;
- // Int_t fNvtxBins;
- //Int_t fNbinsEta;
+ /**
+ * Run a simulation
+ *
+ * @param e_t Not used
+ */
+ void Simulate(Int_t e);
+ /**
+ * Process all primaries from the run loader
+ *
+ * @param rl Run loader
+ */
+ void ProcessPrimaries(AliRunLoader* rl);
+ TObjArray fCorrectionArray; // Array of corrections
+ TList fPrimaryList; // List of primaries
ClassDef(AliFMDBackgroundCorrection,0)
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff