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/** |
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* \file TrkLevel2.h |
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* \author Elena Vannuccini |
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*/ |
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#ifndef trklevel2_h |
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#define trklevel2_h |
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|
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#include <TObject.h> |
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#include <TObjArray.h> |
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#include <TClonesArray.h> |
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|
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#include <TrkStruct.h> |
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|
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// z-coordinate of track state-vector reference-plane |
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#define ZINI 23.5 |
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// upper and lower (mechanical) z-coordinate of the tracker |
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//#define ZTRKUP 22.29 |
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//#define ZTRKDW -22.22 |
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// (mechanical) z-coordinate of the tracker planes |
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#define ZTRK6 -22.23 |
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#define ZTRK5 -13.32 |
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#define ZTRK4 -4.42 |
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#define ZTRK3 4.48 |
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#define ZTRK2 13.38 |
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#define ZTRK1 22.28 |
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// (mechanical) x/y-coordinates of magnet cavity |
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#define XTRKL -8.1 |
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#define XTRKR 8.1 |
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#define YTRKL -6.6 |
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#define YTRKR 6.6 |
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|
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/** |
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* \brief Class to describe, by points, a particle trajectory in the apparatus. |
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* |
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* The idea is to create it by integrating the equations of motion, given the |
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* track state vector and the z coordinates where to evaluate track position. |
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*/ |
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// ================================================================== |
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class Trajectory : public TObject{ |
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private: |
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|
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public: |
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|
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int npoint; ///< number of evaluated points along the trajectory |
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float* x; ///< x coordinates |
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float* y; ///< y coordinates |
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float* z; ///< z coordinates |
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float* thx; ///< x projected angle |
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float* thy; ///< y projected angle |
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float* tl; ///< track length |
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|
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Trajectory(); |
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Trajectory(int n); |
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Trajectory(int n, float* pz); |
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void Dump(); |
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|
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float GetLength(){float l=0; for(int i=0; i<npoint;i++)l=l+tl[i]; return l;}; |
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float GetLength(int,int); |
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|
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ClassDef(Trajectory,1); |
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|
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}; |
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/** |
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* \brief Class to describe fitted tracks. |
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* |
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* A track is defined by the measured coordinates associated to it, the |
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* track status vector, plus other quantities. |
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* A track may have an "image", due to the ambiguity in the y view. |
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*/ |
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// ================================================================== |
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class TrkTrack : public TObject { |
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|
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private: |
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|
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int seqno; ///<stored track sequential number |
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int image; ///<sequential number of track-image |
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|
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public: |
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|
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|
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float al[5]; ///<TRACK STATE VECTOR |
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float coval[5][5]; ///<covariance matrix |
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int xgood[6]; ///<mask of included x planes |
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int ygood[6]; ///<mask of included y planes |
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float xm[6]; ///<measured x coordinates |
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float ym[6]; ///<measured y coordinates |
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float zm[6]; ///<measured z coordinates |
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float resx[6]; ///<spatial resolution on X view |
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float resy[6]; ///<spatial resolution on y view |
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float chi2; ///<chi2 |
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float xv[6]; ///<calculated x coordinates |
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float yv[6]; ///<calculated y coordinates |
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float zv[6]; ///<calculated z coordinates |
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float axv[6]; ///<calculated angles (deg) on x view |
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float ayv[6]; ///<calculated angles (deg) on y view |
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float dedx_x[6]; ///<signal in MIP (scaled to 300 micrometer) |
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float dedx_y[6]; ///<signal in MIP (scaled to 300 micrometer) |
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|
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TrkTrack(); |
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TrkTrack(const TrkTrack&); |
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|
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void Dump(); |
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|
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Int_t GetSeqNo(){return seqno;} ///< Returns the track sequential number |
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Int_t GetImageSeqNo(){return image;} ///< Returns the track image sequential number |
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Bool_t HasImage(){return !(image==-1);} ///< Returns true if the track has an image |
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int DoTrack(Trajectory* t); ///< Evaluates the trajectory in the apparatus. |
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int DoTrack2(Trajectory* t); ///< Evaluates the trajectory in the apparatus. |
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float BdL(){return 0;}; ///< Evaluates the integral of B*dL along the track. |
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Int_t GetNX(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=xgood[i]; return n;}; |
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Int_t GetNY(){Int_t n=0; for(Int_t i=0; i<6; i++)n+=ygood[i]; return n;}; |
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Int_t GetNtot(){return GetNX()+GetNY();}; |
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Float_t GetRigidity(); |
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Float_t GetDeflection(); |
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Float_t GetDEDX(); |
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|
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TrkTrack* GetTrkTrack(){return this;}; |
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|
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friend class TrkLevel2; |
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ClassDef(TrkTrack,1); |
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|
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}; |
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/** |
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* \brief Class to describe single clusters ("singlets"). |
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* |
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* Single clusters are clusters not associated to any track. |
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*/ |
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class TrkSinglet : public TObject { |
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private: |
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public: |
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int plane; ///<plane |
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float coord[2]; ///<coordinate (on sensor 1 and 2) |
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float sgnl; ///<cluster signal in MIP |
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|
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TrkSinglet(); |
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TrkSinglet(const TrkSinglet&); |
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|
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void Dump(); |
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|
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friend class TrkLevel2; |
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|
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ClassDef(TrkSinglet,1); |
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|
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}; |
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|
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/** |
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* \brief Class to describe tracker LEVEL2 data. |
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* |
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* A tracker events is defined by some general variables, plus the collection of all the fitted tracks and all |
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* single clusters on X and Y views. |
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* Tracks and single clusters ("singlets") are described by the classes TrkTrack and TrkSinglet respectivelly. |
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* |
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* Each track may have an "image", due to the ambiguity on the Y view, which is stored also. |
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* Thus, the number of stored tracks ( ntrk() ) differs from the number of "physical" tracks ( GetNTracks() ). |
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* Proper methods allow to sort tracks and select the physical ones ( GetTracks() ). |
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*/ |
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class TrkLevel2 : public TObject { |
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private: |
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// TRefArray *PhysicalTrack; ///< physical tracks (no image) - |
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public: |
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Int_t good2; |
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Int_t crc[12]; |
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|
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TClonesArray *Track; ///< fitted tracks |
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TClonesArray *SingletX; ///< x singlets |
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TClonesArray *SingletY; ///< y singlets |
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TrkLevel2(); |
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// TrkLevel2(cTrkLevel2 *); |
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int ntrk() {return Track->GetEntries();} ///< number of stored track |
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int nclsx(){return SingletX->GetEntries();} ///< number of x singlets |
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int nclsy(){return SingletY->GetEntries();} ///< number of y singlets |
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void Dump(); |
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void SetFromLevel2Struct(cTrkLevel2 *); |
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void GetLevel2Struct(cTrkLevel2 *) const; |
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void Clear(); |
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void LoadField(TString); |
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Float_t GetZTrk(Int_t); |
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Float_t GetXTrkLeft(){return XTRKL;}; |
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Float_t GetXTrkRight(){return XTRKR;}; |
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Float_t GetYTrkLeft(){return YTRKL;}; |
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Float_t GetYTrkRight(){return YTRKR;}; |
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TrkSinglet *GetSingletX(int); |
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TrkSinglet *GetSingletY(int); |
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TrkTrack *GetStoredTrack(int i); |
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Int_t GetSeqNo(Int_t i) {return (((TrkTrack *)Track->At(i))->seqno);}; ///< Returns track sequential number |
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// TClonesArray *GetTracks_Chi2Sorted(); |
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TClonesArray *GetTracks_NFitSorted(); |
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TClonesArray *GetTracks(); |
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// int GetNTracks(){return this->GetTracks()->GetEntries();} |
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Int_t GetNTracks(); |
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TrkTrack* GetTrack(int i); |
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TrkTrack* GetTrackImage(int i); |
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TrkLevel2* GetTrkLevel2(){return this;} |
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TClonesArray* GetTrackArray(){return Track;};///< returns pointer to the track array |
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ClassDef(TrkLevel2,1); |
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}; |
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#endif |
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