/[PAMELA software]/DarthVader/TrackerLevel2/src/TrkLevel2.cpp
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Diff of /DarthVader/TrackerLevel2/src/TrkLevel2.cpp

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revision 1.1 by mocchiut, Fri May 19 13:15:54 2006 UTC revision 1.3 by pam-fi, Wed Jun 14 10:01:44 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    TClonesArray *TrkLevel2::GetTracks_Chi2Sorted(){
363    
364      TClonesArray *sorted = new TClonesArray("TrkTrack");      TClonesArray *sorted = new TClonesArray("TrkTrack");
365      TClonesArray &t = *Track;      TClonesArray &t = *Track;
# Line 330  TClonesArray *TrkLevel2::GetTracks(){ Line 388  TClonesArray *TrkLevel2::GetTracks(){
388      }      }
389      return sorted;      return sorted;
390  }  }
391    TClonesArray *TrkLevel2::GetTracks_NFitSorted(){
392    
393        TClonesArray *sorted = new TClonesArray("TrkTrack");
394        TClonesArray &t = *Track;
395        TClonesArray &ts = *sorted;
396        int N=this->ntrk();
397        vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;
398    
399        int indo=0;
400        int indi=0;
401        while(N != 0){
402            int nfit =0;
403            float chi2ref=1000000;
404            // first loop to search maximum num. of fit points
405            for(int i=0; i<this->ntrk(); i++){
406                if( ((TrkTrack *)t[i])->GetNtot() >= nfit && m[i]==1){
407                    nfit =    ((TrkTrack *)t[i])->GetNtot();
408    //              cout << "1** "<<i<< " " << nfit<<endl;
409                }
410            }
411            //second loop to search minimum chi2 among selected
412            for(int i=0; i<this->ntrk(); i++){
413                if(    ((TrkTrack *)t[i])->chi2 < chi2ref
414                    && ((TrkTrack *)t[i])->GetNtot()== nfit
415                    && m[i]==1){
416                    chi2ref = ((TrkTrack *)t[i])->chi2;
417                    indi = i;
418    //              cout << "2** "<<i<< " " << nfit <<" "<<chi2ref<<endl;
419                }
420            }
421            if( ((TrkTrack *)t[indi])->HasImage() ){
422                m[((TrkTrack *)t[indi])->image] = 0;
423                N--;
424    
425    //          Int_t nfiti=((TrkTrack *)t[((TrkTrack *)t[indi])->image  ])->GetNtot();
426    //          Float_t chi2i=((TrkTrack *)t[((TrkTrack *)t[indi])->image  ])->chi2;
427                    
428    //          cout << "i** "<< ((TrkTrack *)t[indi])->image << " " << nfiti <<" "<<chi2i<<endl;
429            }
430            new(ts[indo]) TrkTrack(*(TrkTrack*)t[indi]);
431            m[indi] = 0;
432            N--;    
433            indo++;
434        }
435        return sorted;
436    }
437  //--------------------------------------  //--------------------------------------
438  //  //
439  //  //
# Line 408  void TrkLevel2::LoadField(TString s){ Line 512  void TrkLevel2::LoadField(TString s){
512  //  //
513  //--------------------------------------  //--------------------------------------
514  /**  /**
515     * Trajectory default constructor.
516     * (By default is created with z-coordinates inside the tracking volume)
517      */
518    Trajectory::Trajectory(){
519        npoint = 10;
520        x = new float[npoint];
521        y = new float[npoint];
522        z = new float[npoint];
523        thx = new float[npoint];
524        thy = new float[npoint];
525        tl = new float[npoint];
526        float dz = ((ZTRKUP)-(ZTRKDW))/(npoint-1);
527        for(int i=0; i<npoint; i++){
528            x[i] = 0;
529            y[i] = 0;
530            z[i] = (ZTRKUP) - i*dz;
531            thx[i] = 0;
532            thy[i] = 0;
533            tl[i] = 0;
534        }
535    }
536    //--------------------------------------
537    //
538    //
539    //--------------------------------------
540    /**
541   * Trajectory constructor.   * Trajectory constructor.
542     * (By default is created with z-coordinates inside the tracking volume)
543   * \param n Number of points   * \param n Number of points
544   */   */
545  Trajectory::Trajectory(int n){  Trajectory::Trajectory(int n){
546        if(n<=0){
547            cout << "NB! Trajectory must have at least 1 point >>> created with 10 points" << endl;
548            n=10;
549        }
550      npoint = n;      npoint = n;
551      x = new float[npoint];      x = new float[npoint];
552      y = new float[npoint];      y = new float[npoint];
553      z = new float[npoint];      z = new float[npoint];
554        thx = new float[npoint];
555        thy = new float[npoint];
556        tl = new float[npoint];
557        float dz = ((ZTRKUP)-(ZTRKDW))/(npoint-1);
558      for(int i=0; i<npoint; i++){      for(int i=0; i<npoint; i++){
559          x[i] = 0;          x[i] = 0;
560          y[i] = 0;          y[i] = 0;
561          z[i] = 0;          z[i] = (ZTRKUP) - i*dz;
562            thx[i] = 0;
563            thy[i] = 0;
564            tl[i] = 0;
565      }      }
566  }  }
567  //--------------------------------------  //--------------------------------------
# Line 432  Trajectory::Trajectory(int n){ Line 574  Trajectory::Trajectory(int n){
574   * \param pz Pointer to float array, defining z coordinates   * \param pz Pointer to float array, defining z coordinates
575   */   */
576  Trajectory::Trajectory(int n, float* zin){  Trajectory::Trajectory(int n, float* zin){
577      npoint = n;      npoint = 10;
578        if(n>0)npoint = n;
579      x = new float[npoint];      x = new float[npoint];
580      y = new float[npoint];      y = new float[npoint];
581      z = new float[npoint];      z = new float[npoint];
582      for(int i=0; i<npoint; i++){      thx = new float[npoint];
583        thy = new float[npoint];
584        tl = new float[npoint];
585        int i=0;
586        do{
587          x[i] = 0;          x[i] = 0;
588          y[i] = 0;          y[i] = 0;
589          z[i] = zin[i];          z[i] = zin[i];
590      }          thx[i] = 0;
591            thy[i] = 0;
592            tl[i] = 0;
593            i++;            
594        }while(zin[i-1] > zin[i] && i < npoint);
595        npoint=i;
596        if(npoint != n)cout << "NB! Trajectory created with "<<npoint<<" points"<<endl;
597  }  }
598  //--------------------------------------  //--------------------------------------
599  //  //
# Line 452  Trajectory::Trajectory(int n, float* zin Line 605  Trajectory::Trajectory(int n, float* zin
605  void Trajectory::Dump(){  void Trajectory::Dump(){
606      cout <<endl<< "Trajectory ========== "<<endl;      cout <<endl<< "Trajectory ========== "<<endl;
607      for (int i=0; i<npoint; i++){      for (int i=0; i<npoint; i++){
608          cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] << endl;;          cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] ;
609            cout <<" -- " << thx[i] <<" "<< thy[i] ;
610            cout <<" -- " << tl[i] << endl;
611      };      };
612  }  }
613    //--------------------------------------
614    //
615    //
616    //--------------------------------------
617    /**
618     * Get trajectory length between two points
619     * @param ifirst first point (default 0)
620     * @param ilast last point (default npoint)
621     */
622    float Trajectory::GetLength(int ifirst, int ilast){
623        if( ifirst<0    ) ifirst = 0;
624        if( ilast>=npoint) ilast  = npoint-1;
625        float l=0;
626        for(int i=ifirst;i<=ilast;i++){
627            l=l+tl[i];
628        };
629        if(z[ilast] > ZINI)l=l-tl[ilast];
630        if(z[ifirst] < ZINI)   l=l-tl[ifirst];
631        
632        return l;
633    
634    }
635  ClassImp(TrkLevel2);  ClassImp(TrkLevel2);
636  ClassImp(TrkSinglet);  ClassImp(TrkSinglet);
637  ClassImp(TrkTrack);  ClassImp(TrkTrack);
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