TrackerLevel2/src/TrkLevel2.cpp

/**
 * \file TrkLevel2.cpp
 * \author Elena Vannuccini
 */
#include <TrkLevel2.h>
#include <iostream>
using namespace std;
//......................................
// F77 routines
//......................................
extern "C" {    
    void dotrack_(int*, double*, double*, double*, double*, int*);
    int  readb_(const char*); 
}
//--------------------------------------
//
//
//--------------------------------------
TrkTrack::TrkTrack(){
    image = 0; 
    chi2  = 0;
    for(int it1=0;it1<5;it1++){
        al[it1] = 0;
        for(int it2=0;it2<5;it2++)
            coval[it1][it2] = 0;
    };
    for(int ip=0;ip<6;ip++){
        xgood[ip]  = 0;
        ygood[ip]  = 0;
        xm[ip]     = 0;
        ym[ip]     = 0;
        zm[ip]     = 0;
        resx[ip]   = 0;
        resy[ip]   = 0;
        xv[ip]     = 0;
        yv[ip]     = 0;
        zv[ip]     = 0;
        axv[ip]    = 0;
        ayv[ip]    = 0;
        dedx_x[ip] = 0;
        dedx_y[ip] = 0;
    };    
};
//--------------------------------------
//
//
//--------------------------------------
TrkTrack::TrkTrack(const TrkTrack& t){
    image = t.image; 
    chi2  = t.chi2;
    for(int it1=0;it1<5;it1++){
        al[it1] = t.al[it1];
        for(int it2=0;it2<5;it2++)
            coval[it1][it2] = t.coval[it1][it2];
    };
    for(int ip=0;ip<6;ip++){
        xgood[ip]  = t.xgood[ip];
        ygood[ip]  = t.ygood[ip];
        xm[ip]     = t.xm[ip];
        ym[ip]     = t.ym[ip];
        zm[ip]     = t.zm[ip];
        resx[ip]   = t.resx[ip];
        resy[ip]   = t.resy[ip];
        xv[ip]     = t.xv[ip];
        yv[ip]     = t.yv[ip];
        zv[ip]     = t.zv[ip];
        axv[ip]    = t.axv[ip];
        ayv[ip]    = t.ayv[ip];
        dedx_x[ip] = t.dedx_x[ip];
        dedx_y[ip] = t.dedx_y[ip];
    };    
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Evaluates the trajectory in the apparatus associated to the track. 
 * 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.  
 * @param t pointer to an object of the class Trajectory, 
 * which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ).
 * @return error flag.
 */
int TrkTrack::DoTrack(Trajectory* t){

    double *dxout = new double[t->npoint];
    double *dyout = new double[t->npoint];
    double *dzin = new double[t->npoint];
    double dal[5];

    int ifail = 0;

    for (int i=0; i<5; i++)         dal[i]  = (double)al[i];
    for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];

    dotrack_(&(t->npoint),dzin,dxout,dyout,dal,&ifail);
    
    for (int i=0; i<t->npoint; i++){
        t->x[i] = (float)*dxout++;
        t->y[i] = (float)*dyout++;
    }

//    delete [] dxout;
//    delete [] dyout;
//    delete [] dzin;

    return ifail;
};
//--------------------------------------
//
//
//--------------------------------------
//float TrkTrack::BdL(){
//};
//--------------------------------------
//
//
//--------------------------------------
Float_t TrkTrack::GetRigidity(){ 
        Float_t rig=0;
        if(chi2>0)rig=1./al[4];
        if(rig<0) rig=-rig;
        return rig;
};
//
Float_t TrkTrack::GetDeflection(){
        Float_t def=0;
        if(chi2>0)def=al[4];
        return def;
};
//
Float_t TrkTrack::GetDEDX(){
        Float_t dedx=0; 
        for(Int_t i=0; i<6; i++)dedx+=dedx_x[i]*xgood[i]+dedx_y[i]*ygood[i]; 
        dedx = dedx/(this->GetNX()+this->GetNY());
        return dedx;
};

//--------------------------------------
//
//
//--------------------------------------
void TrkTrack::Dump(){
    cout << endl << "========== Track " ;
    cout << endl << "al       : "; for(int i=0; i<5; i++)cout << al[i] << " ";
    cout << endl << "chi^2    : "<< chi2;
    cout << endl << "xgood    : "; for(int i=0; i<6; i++)cout << xgood[i] ;
    cout << endl << "ygood    : "; for(int i=0; i<6; i++)cout << ygood[i] ;
    cout << endl << "xm       : "; for(int i=0; i<6; i++)cout << xm[i] << " ";
    cout << endl << "ym       : "; for(int i=0; i<6; i++)cout << ym[i] << " ";
    cout << endl << "zm       : "; for(int i=0; i<6; i++)cout << zm[i] << " ";
    cout << endl << "dedx_x   : "; for(int i=0; i<6; i++)cout << dedx_x[i] << " ";
    cout << endl << "dedx_y   : "; for(int i=0; i<6; i++)cout << dedx_y[i] << " ";
}
//--------------------------------------
//
//
//--------------------------------------
TrkSinglet::TrkSinglet(){
    plane    = 0;
    coord[0] = 0; 
    coord[1] = 0;
    sgnl     = 0;
};
//--------------------------------------
//
//
//--------------------------------------
TrkSinglet::TrkSinglet(const TrkSinglet& s){
    plane    = s.plane;
    coord[0] = s.coord[0]; 
    coord[1] = s.coord[1];
    sgnl     = s.sgnl;
};
//--------------------------------------
//
//
//--------------------------------------
void TrkSinglet::Dump(){
    int i=0;
    cout << endl << "========== Singlet " ;
    cout << endl << "plane    : " << plane;
    cout << endl << "coord[2] : "; while( i<2 && cout << coord[i] << " ") i++;
    cout << endl << "sgnl     : " << sgnl;
}
//--------------------------------------
//
//
//--------------------------------------
TrkLevel2::TrkLevel2(){
    good2    = -1;
    for(Int_t i=0; i<12 ; i++){
        crc[i] = -1;
    };
    Track    = new TClonesArray("TrkTrack");
    SingletX = new TClonesArray("TrkSinglet");
    SingletY = new TClonesArray("TrkSinglet");
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel2::Dump(){
    TClonesArray &t  = *Track;
    TClonesArray &sx = *SingletX;
    TClonesArray &sy = *SingletY;

    cout << endl << endl << "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-";
    cout << endl << "good2    : " << good2;
    cout << endl << "crc      : "; for(int i=0; i<12; i++) cout << crc[i];
    cout << endl << "ntrk()   : " << this->ntrk() ;
    cout << endl << "nclsx()  : " << this->nclsx();
    cout << endl << "nclsy()  : " << this->nclsy();
    for(int i=0; i<this->ntrk(); i++)     ((TrkTrack *)t[i])->Dump();
    for(int i=0; i<this->nclsx(); i++) ((TrkSinglet *)sx[i])->Dump();
    for(int i=0; i<this->nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).
 */
void TrkLevel2::FillCommonVar(cTrkLevel2 *l2){
//  temporary objects:
    TrkSinglet* t_singlet = new TrkSinglet();
    TrkTrack*   t_track   = new TrkTrack();
//  general variables
    good2 = l2->good2;
    for(Int_t i=0; i<12 ; i++){
        crc[i] = l2->crc[i];
    };
//  *** TRACKS ***
    TClonesArray &t = *Track;
    for(int i=0; i<l2->ntrk; i++){
        t_track->image = l2->image[i]-1;
        t_track->chi2  = l2->chi2_nt[i];
        for(int it1=0;it1<5;it1++){
            t_track->al[it1] = l2->al_nt[i][it1];
            for(int it2=0;it2<5;it2++)
                t_track->coval[it1][it2] = l2->coval[i][it2][it1];
        };
        for(int ip=0;ip<6;ip++){
            t_track->xgood[ip]  = l2->xgood_nt[i][ip];
            t_track->ygood[ip]  = l2->ygood_nt[i][ip];
            t_track->xm[ip]     = l2->xm_nt[i][ip];
            t_track->ym[ip]     = l2->ym_nt[i][ip];
            t_track->zm[ip]     = l2->zm_nt[i][ip];
            t_track->resx[ip]   = l2->resx_nt[i][ip];
            t_track->resy[ip]   = l2->resy_nt[i][ip];
            t_track->xv[ip]     = l2->xv_nt[i][ip];
            t_track->yv[ip]     = l2->yv_nt[i][ip];
            t_track->zv[ip]     = l2->zv_nt[i][ip];
            t_track->axv[ip]    = l2->axv_nt[i][ip];
            t_track->ayv[ip]    = l2->ayv_nt[i][ip];
            t_track->dedx_x[ip] = l2->dedx_x[i][ip];
            t_track->dedx_y[ip] = l2->dedx_y[i][ip];
        };
        new(t[i]) TrkTrack(*t_track);
        t_track->Clear();
    };
//  *** SINGLETS ***
    TClonesArray &sx = *SingletX;
    for(int i=0; i<l2->nclsx; i++){
        t_singlet->plane    = l2->planex[i];
        t_singlet->coord[0] = l2->xs[i][0];
        t_singlet->coord[1] = l2->xs[i][1];
        t_singlet->sgnl     = l2->signlxs[i];
        new(sx[i]) TrkSinglet(*t_singlet);
        t_singlet->Clear();
    }
    TClonesArray &sy = *SingletY;
    for(int i=0; i<l2->nclsy; i++){
        t_singlet->plane    = l2->planey[i];
        t_singlet->coord[0] = l2->ys[i][0];
        t_singlet->coord[1] = l2->ys[i][1];
        t_singlet->sgnl     = l2->signlys[i];
        new(sy[i]) TrkSinglet(*t_singlet);
        t_singlet->Clear();
        };
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel2::Clear(){
    good2    = -1;
    for(Int_t i=0; i<12 ; i++){
        crc[i] = -1;
    };
    Track->RemoveAll();
    SingletX->RemoveAll();
    SingletY->RemoveAll();
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Sort physical tracks and stores them in a TObjectArray, ordering by increasing chi**2 value (in case of track image, it selects the one with lower chi**2). The total number of physical tracks is given by GetNTracks() and the it-th physical track can be retrieved by means of the method GetTrack(int it).
 * This method is overridden by PamLevel2::GetTracks(), where calorimeter and TOF information is used.
 */
TClonesArray *TrkLevel2::GetTracks(){

    TClonesArray *sorted = new TClonesArray("TrkTrack");
    TClonesArray &t = *Track;
    TClonesArray &ts = *sorted;
    int N=this->ntrk();
    vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;

    int indo=0;
    int indi=0;
    while(N != 0){
        float chi2ref=1000000;
        for(int i=0; i<this->ntrk(); i++){
            if(((TrkTrack *)t[i])->chi2 < chi2ref && m[i]==1){
                chi2ref = ((TrkTrack *)t[i])->chi2;
                indi = i;
            }
        }
        if( ((TrkTrack *)t[indi])->image != -1 ){
            m[((TrkTrack *)t[indi])->image] = 0;
            N--;
        }
        new(ts[indo]) TrkTrack(*(TrkTrack*)t[indi]);
        m[indi] = 0;
        N--;    
        indo++; 
    }
    return sorted;
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves the is-th stored track. 
 * @param it Track number, ranging from 0 to ntrk().
 * Fitted tracks ( images included ) are stored in a TObjectArray ( TrkLevel2::Track ) in the same order they are returned by the F77 fitting routine. 
 */
TrkTrack *TrkLevel2::GetStoredTrack(int is){

    if(is >= this->ntrk()){
        cout << "** TrkLevel2 ** Track "<< is << "doen not exits! " << endl; 
        cout << "                Stored tracks ntrk() = "<< this->ntrk() << endl;
        return 0;
    }
    TClonesArray &t = *(Track);
    TrkTrack *track = (TrkTrack*)t[is];
    return track;
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves the it-th "physical" track, sorted by the method GetNTracks(). 
 * @param it Track number, ranging from 0 to GetNTracks().
 */
TrkTrack *TrkLevel2::GetTrack(int it){
    
    if(it >= this->GetNTracks()){
        cout << "** TrkLevel2 ** Track "<< it << "does not exits! " << endl; 
        cout << "                Physical tracks GetNTracks() = "<< this->ntrk() << endl;
        return 0;
    }
    TrkTrack *track = (TrkTrack*)(*(this->GetTracks()))[it];
    return track;
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves (if present) the image of the it-th "physical" track, sorted by the method GetNTracks(). 
 * @param it Track number, ranging from 0 to GetNTracks().
 */
TrkTrack *TrkLevel2::GetTrackImage(int it){

    if(it >= this->GetNTracks()){
        cout << "** TrkLevel2 ** Track "<< it << "does not exits! " << endl; 
        cout << "                Physical tracks GetNTracks() = "<< this->ntrk() << endl;
        return 0;
    }
    TrkTrack *track = (TrkTrack*)(*(this->GetTracks()))[it];
    if(!track->HasImage()){
        cout << "** TrkLevel2 ** Track "<< it << "does not have image! " << endl; 
        return 0;
    }
    TrkTrack *image = (TrkTrack*)(*Track)[track->image];
    return image;
    
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Loads the magnetic field. 
 * @param s Path of the magnetic-field files.
 */
void TrkLevel2::LoadField(TString s){
    readb_(s.Data());
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Trajectory constructor.
 * \param n Number of points
 */
Trajectory::Trajectory(int n){
    npoint = n;
    x = new float[npoint];
    y = new float[npoint];
    z = new float[npoint];
    for(int i=0; i<npoint; i++){
        x[i] = 0;
        y[i] = 0;
        z[i] = 0;
    }
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Trajectory constructor.
 * \param n Number of points
 * \param pz Pointer to float array, defining z coordinates
 */
Trajectory::Trajectory(int n, float* zin){
    npoint = n;
    x = new float[npoint];
    y = new float[npoint];
    z = new float[npoint];
    for(int i=0; i<npoint; i++){
        x[i] = 0;
        y[i] = 0;
        z[i] = zin[i];
    }
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Dump the trajectory coordinates.
 */
void Trajectory::Dump(){
    cout <<endl<< "Trajectory ========== "<<endl;
    for (int i=0; i<npoint; i++){
        cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] << endl;;
    };
}

ClassImp(TrkLevel2);
ClassImp(TrkSinglet);
ClassImp(TrkTrack);
ClassImp(Trajectory);
1	mocchiut	1.1	/**
2			* \file TrkLevel2.cpp
3			* \author Elena Vannuccini
4			*/
5			#include <TrkLevel2.h>
6			#include <iostream>
7			using namespace std;
8			//......................................
9			// F77 routines
10			//......................................
11			extern "C" {
12			void dotrack_(int, double, double, double, double, int);
13			int readb_(const char*);
14			}
15			//--------------------------------------
16			//
17			//
18			//--------------------------------------
19			TrkTrack::TrkTrack(){
20			image = 0;
21			chi2 = 0;
22			for(int it1=0;it1<5;it1++){
23			al[it1] = 0;
24			for(int it2=0;it2<5;it2++)
25			coval[it1][it2] = 0;
26			};
27			for(int ip=0;ip<6;ip++){
28			xgood[ip] = 0;
29			ygood[ip] = 0;
30			xm[ip] = 0;
31			ym[ip] = 0;
32			zm[ip] = 0;
33			resx[ip] = 0;
34			resy[ip] = 0;
35			xv[ip] = 0;
36			yv[ip] = 0;
37			zv[ip] = 0;
38			axv[ip] = 0;
39			ayv[ip] = 0;
40			dedx_x[ip] = 0;
41			dedx_y[ip] = 0;
42			};
43			};
44			//--------------------------------------
45			//
46			//
47			//--------------------------------------
48			TrkTrack::TrkTrack(const TrkTrack& t){
49			image = t.image;
50			chi2 = t.chi2;
51			for(int it1=0;it1<5;it1++){
52			al[it1] = t.al[it1];
53			for(int it2=0;it2<5;it2++)
54			coval[it1][it2] = t.coval[it1][it2];
55			};
56			for(int ip=0;ip<6;ip++){
57			xgood[ip] = t.xgood[ip];
58			ygood[ip] = t.ygood[ip];
59			xm[ip] = t.xm[ip];
60			ym[ip] = t.ym[ip];
61			zm[ip] = t.zm[ip];
62			resx[ip] = t.resx[ip];
63			resy[ip] = t.resy[ip];
64			xv[ip] = t.xv[ip];
65			yv[ip] = t.yv[ip];
66			zv[ip] = t.zv[ip];
67			axv[ip] = t.axv[ip];
68			ayv[ip] = t.ayv[ip];
69			dedx_x[ip] = t.dedx_x[ip];
70			dedx_y[ip] = t.dedx_y[ip];
71			};
72			};
73			//--------------------------------------
74			//
75			//
76			//--------------------------------------
77			/**
78			* Evaluates the trajectory in the apparatus associated to the track.
79			* 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.
80			* @param t pointer to an object of the class Trajectory,
81			* which z coordinates should be previously initialized by calling the proper constructor ( Trajectory::Trajectory(int n, float* zin) ).
82			* @return error flag.
83			*/
84			int TrkTrack::DoTrack(Trajectory* t){
85
86			double *dxout = new double[t->npoint];
87			double *dyout = new double[t->npoint];
88			double *dzin = new double[t->npoint];
89			double dal[5];
90
91			int ifail = 0;
92
93			for (int i=0; i<5; i++) dal[i] = (double)al[i];
94			for (int i=0; i<t->npoint; i++) dzin[i] = (double)t->z[i];
95
96			dotrack_(&(t->npoint),dzin,dxout,dyout,dal,&ifail);
97
98			for (int i=0; i<t->npoint; i++){
99			t->x[i] = (float)*dxout++;
100			t->y[i] = (float)*dyout++;
101			}
102
103			// delete [] dxout;
104			// delete [] dyout;
105			// delete [] dzin;
106
107			return ifail;
108			};
109			//--------------------------------------
110			//
111			//
112			//--------------------------------------
113			//float TrkTrack::BdL(){
114			//};
115			//--------------------------------------
116			//
117			//
118			//--------------------------------------
119			Float_t TrkTrack::GetRigidity(){
120			Float_t rig=0;
121			if(chi2>0)rig=1./al[4];
122			if(rig<0) rig=-rig;
123			return rig;
124			};
125			//
126			Float_t TrkTrack::GetDeflection(){
127			Float_t def=0;
128			if(chi2>0)def=al[4];
129			return def;
130			};
131			//
132			Float_t TrkTrack::GetDEDX(){
133			Float_t dedx=0;
134			for(Int_t i=0; i<6; i++)dedx+=dedx_x[i]xgood[i]+dedx_y[i]ygood[i];
135			dedx = dedx/(this->GetNX()+this->GetNY());
136			return dedx;
137			};
138
139			//--------------------------------------
140			//
141			//
142			//--------------------------------------
143			void TrkTrack::Dump(){
144			cout << endl << "========== Track " ;
145			cout << endl << "al : "; for(int i=0; i<5; i++)cout << al[i] << " ";
146			cout << endl << "chi^2 : "<< chi2;
147			cout << endl << "xgood : "; for(int i=0; i<6; i++)cout << xgood[i] ;
148			cout << endl << "ygood : "; for(int i=0; i<6; i++)cout << ygood[i] ;
149			cout << endl << "xm : "; for(int i=0; i<6; i++)cout << xm[i] << " ";
150			cout << endl << "ym : "; for(int i=0; i<6; i++)cout << ym[i] << " ";
151			cout << endl << "zm : "; for(int i=0; i<6; i++)cout << zm[i] << " ";
152			cout << endl << "dedx_x : "; for(int i=0; i<6; i++)cout << dedx_x[i] << " ";
153			cout << endl << "dedx_y : "; for(int i=0; i<6; i++)cout << dedx_y[i] << " ";
154			}
155			//--------------------------------------
156			//
157			//
158			//--------------------------------------
159			TrkSinglet::TrkSinglet(){
160			plane = 0;
161			coord[0] = 0;
162			coord[1] = 0;
163			sgnl = 0;
164			};
165			//--------------------------------------
166			//
167			//
168			//--------------------------------------
169			TrkSinglet::TrkSinglet(const TrkSinglet& s){
170			plane = s.plane;
171			coord[0] = s.coord[0];
172			coord[1] = s.coord[1];
173			sgnl = s.sgnl;
174			};
175			//--------------------------------------
176			//
177			//
178			//--------------------------------------
179			void TrkSinglet::Dump(){
180			int i=0;
181			cout << endl << "========== Singlet " ;
182			cout << endl << "plane : " << plane;
183			cout << endl << "coord[2] : "; while( i<2 && cout << coord[i] << " ") i++;
184			cout << endl << "sgnl : " << sgnl;
185			}
186			//--------------------------------------
187			//
188			//
189			//--------------------------------------
190			TrkLevel2::TrkLevel2(){
191			good2 = -1;
192			for(Int_t i=0; i<12 ; i++){
193			crc[i] = -1;
194			};
195			Track = new TClonesArray("TrkTrack");
196			SingletX = new TClonesArray("TrkSinglet");
197			SingletY = new TClonesArray("TrkSinglet");
198			}
199			//--------------------------------------
200			//
201			//
202			//--------------------------------------
203			void TrkLevel2::Dump(){
204			TClonesArray &t = *Track;
205			TClonesArray &sx = *SingletX;
206			TClonesArray &sy = *SingletY;
207
208			cout << endl << endl << "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-";
209			cout << endl << "good2 : " << good2;
210			cout << endl << "crc : "; for(int i=0; i<12; i++) cout << crc[i];
211			cout << endl << "ntrk() : " << this->ntrk() ;
212			cout << endl << "nclsx() : " << this->nclsx();
213			cout << endl << "nclsy() : " << this->nclsy();
214			for(int i=0; i<this->ntrk(); i++) ((TrkTrack *)t[i])->Dump();
215			for(int i=0; i<this->nclsx(); i++) ((TrkSinglet *)sx[i])->Dump();
216			for(int i=0; i<this->nclsy(); i++) ((TrkSinglet *)sy[i])->Dump();
217			}
218			//--------------------------------------
219			//
220			//
221			//--------------------------------------
222			/**
223			* Fills a TrkLevel2 object with values from a struct cTrkLevel2 (to get data from F77 common).
224			*/
225			void TrkLevel2::FillCommonVar(cTrkLevel2 *l2){
226			// temporary objects:
227			TrkSinglet* t_singlet = new TrkSinglet();
228			TrkTrack* t_track = new TrkTrack();
229			// general variables
230			good2 = l2->good2;
231			for(Int_t i=0; i<12 ; i++){
232			crc[i] = l2->crc[i];
233			};
234			// * TRACKS *
235			TClonesArray &t = *Track;
236			for(int i=0; i<l2->ntrk; i++){
237			t_track->image = l2->image[i]-1;
238			t_track->chi2 = l2->chi2_nt[i];
239			for(int it1=0;it1<5;it1++){
240			t_track->al[it1] = l2->al_nt[i][it1];
241			for(int it2=0;it2<5;it2++)
242			t_track->coval[it1][it2] = l2->coval[i][it2][it1];
243			};
244			for(int ip=0;ip<6;ip++){
245			t_track->xgood[ip] = l2->xgood_nt[i][ip];
246			t_track->ygood[ip] = l2->ygood_nt[i][ip];
247			t_track->xm[ip] = l2->xm_nt[i][ip];
248			t_track->ym[ip] = l2->ym_nt[i][ip];
249			t_track->zm[ip] = l2->zm_nt[i][ip];
250			t_track->resx[ip] = l2->resx_nt[i][ip];
251			t_track->resy[ip] = l2->resy_nt[i][ip];
252			t_track->xv[ip] = l2->xv_nt[i][ip];
253			t_track->yv[ip] = l2->yv_nt[i][ip];
254			t_track->zv[ip] = l2->zv_nt[i][ip];
255			t_track->axv[ip] = l2->axv_nt[i][ip];
256			t_track->ayv[ip] = l2->ayv_nt[i][ip];
257			t_track->dedx_x[ip] = l2->dedx_x[i][ip];
258			t_track->dedx_y[ip] = l2->dedx_y[i][ip];
259			};
260			new(t[i]) TrkTrack(*t_track);
261			t_track->Clear();
262			};
263			// * SINGLETS *
264			TClonesArray &sx = *SingletX;
265			for(int i=0; i<l2->nclsx; i++){
266			t_singlet->plane = l2->planex[i];
267			t_singlet->coord[0] = l2->xs[i][0];
268			t_singlet->coord[1] = l2->xs[i][1];
269			t_singlet->sgnl = l2->signlxs[i];
270			new(sx[i]) TrkSinglet(*t_singlet);
271			t_singlet->Clear();
272			}
273			TClonesArray &sy = *SingletY;
274			for(int i=0; i<l2->nclsy; i++){
275			t_singlet->plane = l2->planey[i];
276			t_singlet->coord[0] = l2->ys[i][0];
277			t_singlet->coord[1] = l2->ys[i][1];
278			t_singlet->sgnl = l2->signlys[i];
279			new(sy[i]) TrkSinglet(*t_singlet);
280			t_singlet->Clear();
281			};
282			}
283			//--------------------------------------
284			//
285			//
286			//--------------------------------------
287			void TrkLevel2::Clear(){
288			good2 = -1;
289			for(Int_t i=0; i<12 ; i++){
290			crc[i] = -1;
291			};
292			Track->RemoveAll();
293			SingletX->RemoveAll();
294			SingletY->RemoveAll();
295			}
296			//--------------------------------------
297			//
298			//
299			//--------------------------------------
300			/**
301			* Sort physical tracks and stores them in a TObjectArray, ordering by increasing chi2 value (in case of track image, it selects the one with lower chi2). The total number of physical tracks is given by GetNTracks() and the it-th physical track can be retrieved by means of the method GetTrack(int it).
302			* This method is overridden by PamLevel2::GetTracks(), where calorimeter and TOF information is used.
303			*/
304			TClonesArray *TrkLevel2::GetTracks(){
305
306			TClonesArray *sorted = new TClonesArray("TrkTrack");
307			TClonesArray &t = *Track;
308			TClonesArray &ts = *sorted;
309			int N=this->ntrk();
310			vector<int> m(N); for(int i=0; i<N; i++)m[i]=1;
311
312			int indo=0;
313			int indi=0;
314			while(N != 0){
315			float chi2ref=1000000;
316			for(int i=0; i<this->ntrk(); i++){
317			if(((TrkTrack *)t[i])->chi2 < chi2ref && m[i]==1){
318			chi2ref = ((TrkTrack *)t[i])->chi2;
319			indi = i;
320			}
321			}
322			if( ((TrkTrack *)t[indi])->image != -1 ){
323			m[((TrkTrack *)t[indi])->image] = 0;
324			N--;
325			}
326			new(ts[indo]) TrkTrack((TrkTrack)t[indi]);
327			m[indi] = 0;
328			N--;
329			indo++;
330			}
331			return sorted;
332			}
333			//--------------------------------------
334			//
335			//
336			//--------------------------------------
337			/**
338			* Retrieves the is-th stored track.
339			* @param it Track number, ranging from 0 to ntrk().
340			* Fitted tracks ( images included ) are stored in a TObjectArray ( TrkLevel2::Track ) in the same order they are returned by the F77 fitting routine.
341			*/
342			TrkTrack *TrkLevel2::GetStoredTrack(int is){
343
344			if(is >= this->ntrk()){
345			cout << " TrkLevel2 Track "<< is << "doen not exits! " << endl;
346			cout << " Stored tracks ntrk() = "<< this->ntrk() << endl;
347			return 0;
348			}
349			TClonesArray &t = *(Track);
350			TrkTrack track = (TrkTrack)t[is];
351			return track;
352			}
353			//--------------------------------------
354			//
355			//
356			//--------------------------------------
357			/**
358			* Retrieves the it-th "physical" track, sorted by the method GetNTracks().
359			* @param it Track number, ranging from 0 to GetNTracks().
360			*/
361			TrkTrack *TrkLevel2::GetTrack(int it){
362
363			if(it >= this->GetNTracks()){
364			cout << " TrkLevel2 Track "<< it << "does not exits! " << endl;
365			cout << " Physical tracks GetNTracks() = "<< this->ntrk() << endl;
366			return 0;
367			}
368			TrkTrack track = (TrkTrack)(*(this->GetTracks()))[it];
369			return track;
370			}
371			//--------------------------------------
372			//
373			//
374			//--------------------------------------
375			/**
376			* Retrieves (if present) the image of the it-th "physical" track, sorted by the method GetNTracks().
377			* @param it Track number, ranging from 0 to GetNTracks().
378			*/
379			TrkTrack *TrkLevel2::GetTrackImage(int it){
380
381			if(it >= this->GetNTracks()){
382			cout << " TrkLevel2 Track "<< it << "does not exits! " << endl;
383			cout << " Physical tracks GetNTracks() = "<< this->ntrk() << endl;
384			return 0;
385			}
386			TrkTrack track = (TrkTrack)(*(this->GetTracks()))[it];
387			if(!track->HasImage()){
388			cout << " TrkLevel2 Track "<< it << "does not have image! " << endl;
389			return 0;
390			}
391			TrkTrack image = (TrkTrack)(*Track)[track->image];
392			return image;
393
394			}
395			//--------------------------------------
396			//
397			//
398			//--------------------------------------
399			/**
400			* Loads the magnetic field.
401			* @param s Path of the magnetic-field files.
402			*/
403			void TrkLevel2::LoadField(TString s){
404			readb_(s.Data());
405			};
406			//--------------------------------------
407			//
408			//
409			//--------------------------------------
410			/**
411			* Trajectory constructor.
412			* \param n Number of points
413			*/
414			Trajectory::Trajectory(int n){
415			npoint = n;
416			x = new float[npoint];
417			y = new float[npoint];
418			z = new float[npoint];
419			for(int i=0; i<npoint; i++){
420			x[i] = 0;
421			y[i] = 0;
422			z[i] = 0;
423			}
424			}
425			//--------------------------------------
426			//
427			//
428			//--------------------------------------
429			/**
430			* Trajectory constructor.
431			* \param n Number of points
432			* \param pz Pointer to float array, defining z coordinates
433			*/
434			Trajectory::Trajectory(int n, float* zin){
435			npoint = n;
436			x = new float[npoint];
437			y = new float[npoint];
438			z = new float[npoint];
439			for(int i=0; i<npoint; i++){
440			x[i] = 0;
441			y[i] = 0;
442			z[i] = zin[i];
443			}
444			}
445			//--------------------------------------
446			//
447			//
448			//--------------------------------------
449			/**
450			* Dump the trajectory coordinates.
451			*/
452			void Trajectory::Dump(){
453			cout <<endl<< "Trajectory ========== "<<endl;
454			for (int i=0; i<npoint; i++){
455			cout << i <<" >> " << x[i] <<" "<< y[i] <<" "<< z[i] << endl;;
456			};
457			}
458
459			ClassImp(TrkLevel2);
460			ClassImp(TrkSinglet);
461			ClassImp(TrkTrack);
462			ClassImp(Trajectory);