/[PAMELA software]/DarthVader/TrackerLevel2/src/TrkLevel2.cpp
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revision 1.1.1.1 by mocchiut, Fri May 19 13:15:54 2006 UTC revision 1.4 by mocchiut, Fri Jun 30 09:22:04 2006 UTC
# Line 10  using namespace std; Line 10  using namespace std;
10  //......................................  //......................................
11  extern "C" {      extern "C" {    
12      void dotrack_(int*, double*, double*, double*, double*, int*);      void dotrack_(int*, double*, double*, double*, double*, int*);
13        void dotrack2_(int*, double*, double*, double*, double*,double*, double*, double*,int*);
14      int  readb_(const char*);      int  readb_(const char*);
15  }  }
16  //--------------------------------------  //--------------------------------------
# Line 17  extern "C" {     Line 18  extern "C" {    
18  //  //
19  //--------------------------------------  //--------------------------------------
20  TrkTrack::TrkTrack(){  TrkTrack::TrkTrack(){
21      image = 0;      seqno = -1;
22        image = -1;
23      chi2  = 0;      chi2  = 0;
24      for(int it1=0;it1<5;it1++){      for(int it1=0;it1<5;it1++){
25          al[it1] = 0;          al[it1] = 0;
# Line 46  TrkTrack::TrkTrack(){ Line 48  TrkTrack::TrkTrack(){
48  //  //
49  //--------------------------------------  //--------------------------------------
50  TrkTrack::TrkTrack(const TrkTrack& t){  TrkTrack::TrkTrack(const TrkTrack& t){
51        seqno = t.seqno;
52      image = t.image;      image = t.image;
53      chi2  = t.chi2;      chi2  = t.chi2;
54      for(int it1=0;it1<5;it1++){      for(int it1=0;it1<5;it1++){
# Line 110  int TrkTrack::DoTrack(Trajectory* t){ Line 113  int TrkTrack::DoTrack(Trajectory* t){
113  //  //
114  //  //
115  //--------------------------------------  //--------------------------------------
116    /**
117     * Evaluates the trajectory in the apparatus associated to the track.
118     * It integrates the equations of motion in the magnetic field. The magnetic field should be previously loaded ( by calling  TrkLevel2::LoadField() ), otherwise an error message is returned.  
119     * @param t pointer to an object of the class Trajectory,
120     * which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ).
121     * @return error flag.
122     */
123    int TrkTrack::DoTrack2(Trajectory* t){
124    
125        double *dxout   = new double[t->npoint];
126        double *dyout   = new double[t->npoint];
127        double *dthxout = new double[t->npoint];
128        double *dthyout = new double[t->npoint];
129        double *dtlout  = new double[t->npoint];
130        double *dzin    = new double[t->npoint];
131        double dal[5];
132    
133        int ifail = 0;
134    
135        for (int i=0; i<5; i++)         dal[i]  = (double)al[i];
136        for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
137    
138        dotrack2_(&(t->npoint),dzin,dxout,dyout,dthxout,dthyout,dtlout,dal,&ifail);
139        
140        for (int i=0; i<t->npoint; i++){
141            t->x[i]   = (float)*dxout++;
142            t->y[i]   = (float)*dyout++;
143            t->thx[i] = (float)*dthxout++;
144            t->thy[i] = (float)*dthyout++;
145            t->tl[i]  = (float)*dtlout++;
146        }
147    
148    //    delete [] dxout;
149    //    delete [] dyout;
150    //    delete [] dzin;
151    
152        return ifail;
153    };
154    //--------------------------------------
155    //
156    //
157    //--------------------------------------
158  //float TrkTrack::BdL(){  //float TrkTrack::BdL(){
159  //};  //};
160  //--------------------------------------  //--------------------------------------
# Line 195  TrkLevel2::TrkLevel2(){ Line 240  TrkLevel2::TrkLevel2(){
240      Track    = new TClonesArray("TrkTrack");      Track    = new TClonesArray("TrkTrack");
241      SingletX = new TClonesArray("TrkSinglet");      SingletX = new TClonesArray("TrkSinglet");
242      SingletY = new TClonesArray("TrkSinglet");      SingletY = new TClonesArray("TrkSinglet");
243    //    Track    = 0;
244    //    Singlet = 0;
245    //    SingletY = 0;
246  }  }
247  //--------------------------------------  //--------------------------------------
248  //  //
# Line 223  void TrkLevel2::Dump(){ Line 271  void TrkLevel2::Dump(){
271   * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).   * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).
272   */   */
273  void TrkLevel2::FillCommonVar(cTrkLevel2 *l2){  void TrkLevel2::FillCommonVar(cTrkLevel2 *l2){
274        //
275    //    Track    = new TClonesArray("TrkTrack");
276    //    SingletX = new TClonesArray("TrkSinglet");
277    //    SingletY = new TClonesArray("TrkSinglet");
278  //  temporary objects:  //  temporary objects:
279      TrkSinglet* t_singlet = new TrkSinglet();      TrkSinglet* t_singlet = new TrkSinglet();
280      TrkTrack*   t_track   = new TrkTrack();      TrkTrack*   t_track   = new TrkTrack();
# Line 234  void TrkLevel2::FillCommonVar(cTrkLevel2 Line 286  void TrkLevel2::FillCommonVar(cTrkLevel2
286  //  *** TRACKS ***  //  *** TRACKS ***
287      TClonesArray &t = *Track;      TClonesArray &t = *Track;
288      for(int i=0; i<l2->ntrk; i++){      for(int i=0; i<l2->ntrk; i++){
289            t_track->seqno = i;
290          t_track->image = l2->image[i]-1;          t_track->image = l2->image[i]-1;
291    //      cout << "track "<<i<<t_track->seqno << t_track->image<<endl;
292          t_track->chi2  = l2->chi2_nt[i];          t_track->chi2  = l2->chi2_nt[i];
293          for(int it1=0;it1<5;it1++){          for(int it1=0;it1<5;it1++){
294              t_track->al[it1] = l2->al_nt[i][it1];              t_track->al[it1] = l2->al_nt[i][it1];
# Line 302  void TrkLevel2::Clear(){ Line 356  void TrkLevel2::Clear(){
356   * This method is overridden by PamLevel2::GetTracks(), where calorimeter and TOF information is used.   * This method is overridden by PamLevel2::GetTracks(), where calorimeter and TOF information is used.
357   */   */
358  TClonesArray *TrkLevel2::GetTracks(){  TClonesArray *TrkLevel2::GetTracks(){
359        TClonesArray *sorted = GetTracks_NFitSorted();
360        return sorted;
361    };
362    
363    TClonesArray *TrkLevel2::GetTracks_Chi2Sorted(){
364    
365      TClonesArray *sorted = new TClonesArray("TrkTrack");      TClonesArray *sorted = new TClonesArray("TrkTrack");
366      TClonesArray &t = *Track;      TClonesArray &t = *Track;
# Line 330  TClonesArray *TrkLevel2::GetTracks(){ Line 389  TClonesArray *TrkLevel2::GetTracks(){
389      }      }
390      return sorted;      return sorted;
391  }  }
392    TClonesArray *TrkLevel2::GetTracks_NFitSorted(){
393    
394        TClonesArray *sorted = new TClonesArray("TrkTrack");
395        TClonesArray &t = *Track;
396        TClonesArray &ts = *sorted;
397        int N=this->ntrk();
398        vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;
399    
400        int indo=0;
401        int indi=0;
402        while(N != 0){
403            int nfit =0;
404            float chi2ref=1000000;
405            // first loop to search maximum num. of fit points
406            for(int i=0; i<this->ntrk(); i++){
407                if( ((TrkTrack *)t[i])->GetNtot() >= nfit && m[i]==1){
408                    nfit =    ((TrkTrack *)t[i])->GetNtot();
409    //              cout << "1** "<<i<< " " << nfit<<endl;
410                }
411            }
412            //second loop to search minimum chi2 among selected
413            for(int i=0; i<this->ntrk(); i++){
414                if(    ((TrkTrack *)t[i])->chi2 < chi2ref
415                    && ((TrkTrack *)t[i])->GetNtot()== nfit
416                    && m[i]==1){
417                    chi2ref = ((TrkTrack *)t[i])->chi2;
418                    indi = i;
419    //              cout << "2** "<<i<< " " << nfit <<" "<<chi2ref<<endl;
420                }
421            }
422            if( ((TrkTrack *)t[indi])->HasImage() ){
423                m[((TrkTrack *)t[indi])->image] = 0;
424                N--;
425    
426    //          Int_t nfiti=((TrkTrack *)t[((TrkTrack *)t[indi])->image  ])->GetNtot();
427    //          Float_t chi2i=((TrkTrack *)t[((TrkTrack *)t[indi])->image  ])->chi2;
428                    
429    //          cout << "i** "<< ((TrkTrack *)t[indi])->image << " " << nfiti <<" "<<chi2i<<endl;
430            }
431            new(ts[indo]) TrkTrack(*(TrkTrack*)t[indi]);
432            m[indi] = 0;
433            N--;    
434            indo++;
435        }
436        return sorted;
437    }
438  //--------------------------------------  //--------------------------------------
439  //  //
440  //  //
# Line 408  void TrkLevel2::LoadField(TString s){ Line 513  void TrkLevel2::LoadField(TString s){
513  //  //
514  //--------------------------------------  //--------------------------------------
515  /**  /**
516     * Trajectory default constructor.
517     * (By default is created with z-coordinates inside the tracking volume)
518      */
519    Trajectory::Trajectory(){
520        npoint = 10;
521        x = new float[npoint];
522        y = new float[npoint];
523        z = new float[npoint];
524        thx = new float[npoint];
525        thy = new float[npoint];
526        tl = new float[npoint];
527        float dz = ((ZTRKUP)-(ZTRKDW))/(npoint-1);
528        for(int i=0; i<npoint; i++){
529            x[i] = 0;
530            y[i] = 0;
531            z[i] = (ZTRKUP) - i*dz;
532            thx[i] = 0;
533            thy[i] = 0;
534            tl[i] = 0;
535        }
536    }
537    //--------------------------------------
538    //
539    //
540    //--------------------------------------
541    /**
542   * Trajectory constructor.   * Trajectory constructor.
543     * (By default is created with z-coordinates inside the tracking volume)
544   * \param n Number of points   * \param n Number of points
545   */   */
546  Trajectory::Trajectory(int n){  Trajectory::Trajectory(int n){
547        if(n<=0){
548            cout << "NB! Trajectory must have at least 1 point >>> created with 10 points" << endl;
549            n=10;
550        }
551      npoint = n;      npoint = n;
552      x = new float[npoint];      x = new float[npoint];
553      y = new float[npoint];      y = new float[npoint];
554      z = new float[npoint];      z = new float[npoint];
555        thx = new float[npoint];
556        thy = new float[npoint];
557        tl = new float[npoint];
558        float dz = ((ZTRKUP)-(ZTRKDW))/(npoint-1);
559      for(int i=0; i<npoint; i++){      for(int i=0; i<npoint; i++){
560          x[i] = 0;          x[i] = 0;
561          y[i] = 0;          y[i] = 0;
562          z[i] = 0;          z[i] = (ZTRKUP) - i*dz;
563            thx[i] = 0;
564            thy[i] = 0;
565            tl[i] = 0;
566      }      }
567  }  }
568  //--------------------------------------  //--------------------------------------
# Line 432  Trajectory::Trajectory(int n){ Line 575  Trajectory::Trajectory(int n){
575   * \param pz Pointer to float array, defining z coordinates   * \param pz Pointer to float array, defining z coordinates
576   */   */
577  Trajectory::Trajectory(int n, float* zin){  Trajectory::Trajectory(int n, float* zin){
578      npoint = n;      npoint = 10;
579        if(n>0)npoint = n;
580      x = new float[npoint];      x = new float[npoint];
581      y = new float[npoint];      y = new float[npoint];
582      z = new float[npoint];      z = new float[npoint];
583      for(int i=0; i<npoint; i++){      thx = new float[npoint];
584        thy = new float[npoint];
585        tl = new float[npoint];
586        int i=0;
587        do{
588          x[i] = 0;          x[i] = 0;
589          y[i] = 0;          y[i] = 0;
590          z[i] = zin[i];          z[i] = zin[i];
591      }          thx[i] = 0;
592            thy[i] = 0;
593            tl[i] = 0;
594            i++;            
595        }while(zin[i-1] > zin[i] && i < npoint);
596        npoint=i;
597        if(npoint != n)cout << "NB! Trajectory created with "<<npoint<<" points"<<endl;
598  }  }
599  //--------------------------------------  //--------------------------------------
600  //  //
# Line 452  Trajectory::Trajectory(int n, float* zin Line 606  Trajectory::Trajectory(int n, float* zin
606  void Trajectory::Dump(){  void Trajectory::Dump(){
607      cout <<endl<< "Trajectory ========== "<<endl;      cout <<endl<< "Trajectory ========== "<<endl;
608      for (int i=0; i<npoint; i++){      for (int i=0; i<npoint; i++){
609          cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] << endl;;          cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] ;
610            cout <<" -- " << thx[i] <<" "<< thy[i] ;
611            cout <<" -- " << tl[i] << endl;
612      };      };
613  }  }
614    //--------------------------------------
615    //
616    //
617    //--------------------------------------
618    /**
619     * Get trajectory length between two points
620     * @param ifirst first point (default 0)
621     * @param ilast last point (default npoint)
622     */
623    float Trajectory::GetLength(int ifirst, int ilast){
624        if( ifirst<0    ) ifirst = 0;
625        if( ilast>=npoint) ilast  = npoint-1;
626        float l=0;
627        for(int i=ifirst;i<=ilast;i++){
628            l=l+tl[i];
629        };
630        if(z[ilast] > ZINI)l=l-tl[ilast];
631        if(z[ifirst] < ZINI)   l=l-tl[ifirst];
632        
633        return l;
634    
635    }
636  ClassImp(TrkLevel2);  ClassImp(TrkLevel2);
637  ClassImp(TrkSinglet);  ClassImp(TrkSinglet);
638  ClassImp(TrkTrack);  ClassImp(TrkTrack);

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