+++ /dev/null
-#ifndef ALIFMDESDFIXER_H
-#define ALIFMDESDFIXER_H
-#include <TObject.h>
-#include <TBits.h>
-class TH1;
-class TList;
-class AliESDFMD;
-
-/**
- * Class to fix up an ESD object for various small issues.
- *
- * @par Input:
- * - AliESDFMD object - from reconstruction
- * - Ip z coordinate - from reconstruction
- * - Reco noise factor - Assumed noise factor used in reconstruction
- *
- * @par Output:
- * - The same AliESDFMD object but modified
- *
- * @par Corrections used
- * - AliFMDCorrNoiseGain if the noise correction is enabled
- *
- * @par Histograms
- * - Change in @f$\Delta@f$ due to noise correction
- * - Number of channels declared dead
- * - Change in @f$\eta@f$
- *
- * @ingroup pwglf_forward_algo
- * @ingroup pwglf_forward_aod
- */
-class AliFMDESDFixer : public TObject
-{
-public:
- /**
- * Default CTOR - for ROOT I/O - do not use
- */
- AliFMDESDFixer();
-
- /**
- * User CTOR
- *
- * @param name Dummy argument
- */
- AliFMDESDFixer(const char* name);
- /**
- * Get name of object
- *
- * @return Always the same
- */
- const char* GetName() const { return "fmdESDFixer"; }
- /**
- * Create output objects
- */
- void CreateOutputObjects(TList* l);
- /**
- * Fix the ESD object
- *
- * @param esd ESD object
- * @param ipZ IP Z--coordinate
- */
- void Fix(AliESDFMD& esd, Double_t ipZ);
-
- /**
- * @{
- * @name Noise suppression fix
- */
- /**
- * Set the factor assumed to be used in the reconstruction. If this
- * is set way high (>=4) then this corrector will effectively be
- * disabled.
- *
- * @param f
- */
- void SetRecoNoiseFactor(Int_t f) { fRecoFactor = f; }
- void SetMaxNoiseCorrection(Double_t x) { fMaxNoiseCorr = x; }
- /**
- * Get the factor assumed in reconstruction pass
- *
- * @return factor assumed in reconstruction pass
- */
- Int_t GetRecoNoiseFactor() const { return fRecoFactor; }
- /**
- * Check if we're using the noise correction.
- *
- * @return true if fRecoFactor < 4
- */
- Bool_t IsUseNoiseCorrection() const { return fRecoFactor < 4; }
- /**
- * Find the target noise factor
- *
- * @param esd ESD object.
- * @param check If true, also check for correction object
- *
- * @return Needed noise factor, or 0 or less if no correction is needed
- */
- Int_t FindTargetNoiseFactor(const AliESDFMD& esd, Bool_t check=true) const;
- /* @} */
-
- /**
- * @{
- * @name Recalculations
- */
- /**
- * In case of a displaced vertices recalculate @f$\eta@f$ and angle
- * correction
- *
- * @param use recalculate or not
- *
- */
- void SetRecalculateEta(Bool_t use) { fRecalculateEta = use; }
- /* @} */
-
- /**
- * @{
- * @name Special treatmeant of invalid signals
- */
- /**
- * Set whether to consider invalid multiplicities as null (or empty)
- * signal.
- *
- * @param flag If true, count invalids as empty
- */
- void SetInvalidIsEmpty(Bool_t flag) { fInvalidIsEmpty = flag; }
- /** @} */
-
- /**
- * @{
- * @name Dead strip handling
- */
- /**
- * Add a dead strip
- *
- * @param d Detector
- * @param r Ring
- * @param s Sector
- * @param t Strip
- */
- void AddDead(UShort_t d, Char_t r, UShort_t s, UShort_t t);
- /**
- * Add a dead region in a detector ring
- *
- * @param d Detector
- * @param r Ring
- * @param s1 First sector (inclusive)
- * @param s2 Last sector (inclusive)
- * @param t1 First strip (inclusive)
- * @param t2 Last strip (inclusive)
- */
- void AddDeadRegion(UShort_t d, Char_t r, UShort_t s1, UShort_t s2,
- UShort_t t1, UShort_t t2);
- /**
- * Add dead strips from a script. The script is supposed to accept
- * a pointer to this object (AliFMDSharingFilter) and then call
- * AddDead or AddDeadRegion as needed.
- *
- * @code
- * void deadstrips(AliFMDSharingFilter* filter)
- * {
- * filter->AddDead(...);
- * // ... and so on
- * }
- * @endcode
- *
- * @param script The script to read dead strips from.
- */
- void AddDead(const Char_t* script);
- /* @} */
-
- void Print(Option_t* option="") const;
-protected:
- AliFMDESDFixer(const AliFMDESDFixer&);
- AliFMDESDFixer& operator=(const AliFMDESDFixer&);
-
- /**
- * @{
- * @name Worker functions
- */
- /**
- * Check if a strip is marked as dead
- *
- * @param d Detector
- * @param r Ring
- * @param s Sector
- * @param t Strip
- *
- * @return true if dead
- */
- virtual Bool_t IsDead(UShort_t d, Char_t r, UShort_t s, UShort_t t) const;
- /**
- * Possibly raise a strip from the dead or kill it
- *
- * @param d Detector
- * @param r Ring
- * @param s Sector
- * @param t Strip
- * @param m Multiplicity
- *
- * @return true if this was killed
- */
- Bool_t CheckDead(UShort_t d, Char_t r, UShort_t s, UShort_t t, Double_t& m);
- /**
- * Re-calculate eta and correct the multiplicity accordingly
- *
- * @param d Detector
- * @param r Ring
- * @param s Sector
- * @param t Strip
- * @param vz Ip Z-coordinate
- * @param mult In/out multiplicity
- * @param eta In/out eta
- * @param cosTheta On return, the cosine of theta or null
- */
- void RecalculateEta(UShort_t d, Char_t r, UShort_t s, UShort_t t,
- Double_t vz, Double_t& mult, Double_t& eta,
- Double_t& cosTheta);
- /**
- * Correct for noise suppression
- *
- * @param f Factor to apply
- * @param c Correction
- * @param cosTheta Cosine to theta
- * @param mult In/Out multiplity
- *
- * @return true if signal is good, otherwise false
- */
- Bool_t NoiseCorrect(Int_t f, Double_t c, Double_t cosTheta, Double_t& mult);
-
- Int_t fRecoFactor; // Noise factor used in Reco
- Double_t fMaxNoiseCorr; // If noise corr above this, flag as dead
- Bool_t fRecalculateEta; // Whether to recalc eta and angle cor (disp vtx)
- TBits fXtraDead; // List of extra dead channels
- Bool_t fHasXtraDead; // Whether we have xtra dead channels
- Bool_t fInvalidIsEmpty; // Consider kInvalidMult as zero
- TH1* fNoiseChange; // Diagnostics
- TH1* fEtaChange; // Diagnostics
- TH1* fDeadChange; // Diagnostics
-
- ClassDef(AliFMDESDFixer,1); // Fix FMD ESD object for issues
-};
-
-#endif
-//
-// EOF
-//
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff