CbmStsHit.h

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// -------------------------------------------------------------------------
// -----                       CbmStsHit header file                   -----
// -----                  Created 30/08/06  by V. Friese               -----
// -------------------------------------------------------------------------
 
/** CbmStsHit
 *@author Volker Friese <v.friese@gsi.de>
 *@since 30.08.06
 *@version 1.1
 **
 ** Data class for a reconstructed hit in the STS
 ** Data level RECO
 ** Derived from CbmHit.
 ** Additional members: Channel numbers and covariance in x and y
 ** In case of pixel sensor backside channel is -1
 **/
 
#ifndef CBMSTSSHIT_H
#define CBMSTSSHIT_H 1
 
#include "BmnDetectorList.h"
#include "CbmHit.h"
 
class TVector3;
 
class CbmStsHit : public CbmHit
{
 
  public:
    /** Default constructor (not for use) **/
    CbmStsHit();
 
    /** Standard constructor
     *@param detId     Unique detector ID
     *@param pos       Position in global c.s. [cm]
     *@param dPos      Errors of position in global c.s. [cm]
     *@param covXY     Covariance of x and y [cm*2]
     *@param iDigiF    Digi index front side
     *@param iDigiB    Digi index back side
     **/
    CbmStsHit(Int_t detId, TVector3& pos, TVector3& dPos, Double_t covXY, Int_t iDigiF, Int_t iDigiB);
 
    CbmStsHit(Int_t detId,
              TVector3& pos,
              TVector3& dPos,
              Double_t covXY,
              Int_t iDigiF,
              Int_t iDigiB,
              Int_t iPosSX,
              Int_t iPosSY,
              Int_t iLayer);
 
    CbmStsHit(Int_t detId,
              TVector3& pos,
              TVector3& dPos,
              Double_t dxy,
              Int_t iDigiF,
              Int_t iDigiB,
              Double_t dSignalDiv);
 
    /** Destructor **/
    virtual ~CbmStsHit();
 
    /** Accessors **/
 
    Int_t GetSystemId() const { return (fDetectorID & (15 << 24)) >> 24; }
    virtual Int_t GetStationNr() const { return (fDetectorID & (255 << 16)) >> 16; }
    Int_t GetSectorNr() const
    {   // sector number within station
        return (fDetectorID & (4095 << 4)) >> 4;
    }
    Int_t GetSensorNr() const
    {   // sensor number within sector
        return (fDetectorID & (7 << 1)) >> 1;
    }
    Int_t GetDigi(Int_t iSide) const;   // front side = 0; back side = 1
 
    Double_t GetSignalDiv() const { return fSignalDiv; }
 
    Int_t GetPosSensorX() const { return fPosSX; }
    Int_t GetPosSensorY() const { return fPosSY; }
    Double_t GetStrip(int side) const { return fStrips[side]; }   // AZ-140223
 
    void SetStatLayer(Int_t it) { fStatLayer = it; }
    Int_t GetStatLayer() const { return fStatLayer; }
    // AZ void AddIndex(int index){ AddLink(FairLink(kStsCluster, index)); }
    // void AddIndex(int index) { SetInsertHistory(kFALSE); AddLink(FairLink(kStsCluster, index)); } //AZ
    // void AddIndex(int index) { SetInsertHistory(kFALSE); if (GetPointerToLinks() == NULL) AddLink(FairLink());
    // SetInsertHistory(kFALSE); AddLink(FairLink(kStsCluster, index)); } //AZ
    void AddIndex(int index);                                     // AZ
    void SetSignalDiv(Double_t sigDiv) { fSignalDiv = sigDiv; }   // AZ
    void SetStrips(Double_t s1, Double_t s2)
    {
        fStrips[0] = s1;
        fStrips[1] = s2;
    }   // AZ-140223
 
    /** Screen output **/
    virtual void Print(Option_t* opt) const;
 
    Int_t fDigiF;   // Channel number front side
    Int_t fDigiB;
 
  private:
    // Int_t fDigiF;          // Channel number front side
    // Int_t fDigiB;          // Channel number back side
 
    Int_t fPosSX;   // discretized X position in sensor
    Int_t fPosSY;   // discretized Y position in sensor
 
    Int_t fStatLayer;
 
    Double_t fSignalDiv;     // ADC front/ADC back, theoretically if 1 then hit is valid
    Double32_t fStrips[2];   // AZ-140223 - strip numbers (COGs of two views)
 
    ClassDef(CbmStsHit, 2);
};
 
#endif