PamelaLevel2/src/PamLevel2.cpp

#include <PamLevel2.h>
//--------------------------------------
//
//
//--------------------------------------
/**
 * Default constructor 
 */
PamTrack::PamTrack(){
    trk_track  = this->TrkTrack::GetTrkTrack();
    calo_track = this->CaloTrkVar::GetCaloTrkVar();
    tof_track  = this->ToFTrkVar::GetToFTrkVar();
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Constructor 
 */
PamTrack::PamTrack(TrkTrack* t, CaloTrkVar* c, ToFTrkVar* o){ 
    trk_track  = this->TrkTrack::GetTrkTrack();
    calo_track = this->CaloTrkVar::GetCaloTrkVar();
    tof_track  = this->ToFTrkVar::GetToFTrkVar();
    if(t) *trk_track  = *t;
    if(c) *calo_track = *c;
    if(o) *tof_track  = *o;     
};

//--------------------------------------
//
//
//--------------------------------------
/**
 * Constructor 
 */
PamLevel2::PamLevel2(){
        
    trk_l1_obj  = this->TrkLevel1::GetTrkLevel1();      
        trk_obj     = this->TrkLevel2::GetTrkLevel2();
        calo_obj    = this->CaloLevel2::GetCaloLevel2();
    tof_obj     = this->ToFLevel2::GetToFLevel2();
    trig_obj    = this->TrigLevel2::GetTrigLevel2();
    s4_obj      = this->S4Level2::GetS4Level2();
    nd_obj      = this->NDLevel2::GetNDLevel2();
    ac_obj      = this->AcLevel2::GetAcLevel2();
        orb_obj     = this->OrbitalInfo::GetOrbitalInfo();

        run_obj     = new GL_RUN();
        
        sorted_tracks = new TRefArray();

        CAL = true;
        TRK = true;
        TRG = true;
        TOF = true;
        S4  = true;
        ND  = true;
        AC  = true;
        ORB = true;

        TRK_L1 = false;

        Tout  = NULL;
};
/**
 * Destructor 
 */
PamLevel2::~PamLevel2(){
                
        TrkLevel1::Clear();
        
        TrkLevel2::Clear();
        CaloLevel2::Clear();
        ToFLevel2::Clear();
        TrigLevel2::Clear();
        S4Level2::Clear();
        NDLevel2::Clear();
        AcLevel2::Clear();
        OrbitalInfo::Clear();
        
        delete run_obj;
        
//      delete sorted_tracks;
        sorted_tracks->Delete(); // clean the reference array
        
        if(Tout)Tout->Delete(); // delete loaded tree from memory
        
};
/**
 * Clear the event
 */
void PamLevel2::Clear(){
        
        TrkLevel1::Clear();
        
        TrkLevel2::Clear();
        CaloLevel2::Clear();
        ToFLevel2::Clear();
        TrigLevel2::Clear();
        S4Level2::Clear();
        NDLevel2::Clear();
        AcLevel2::Clear();
        OrbitalInfo::Clear();
        
        sorted_tracks->Delete(); // clean the reference array
        
};


//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves the calorimeter track matching the seqno-th tracker stored track. 
 * (If seqno = -1 retrieves the self-trigger calorimeter track)
 */
 CaloTrkVar *PamLevel2::GetCaloStoredTrack(int seqno){
         
         if( CaloLevel2::ntrk()==0 ){
                 cout << "PamLevel2::GetCaloStoredTrack(int) : requested tracker SeqNo "<< seqno <<" but no Calorimeter tracks are stored"<<endl;
                 return NULL;
         };
         
         CaloTrkVar *c = 0;
         Int_t it_calo=0;
        
         do{ 
                 c = CaloLevel2::GetCaloTrkVar(it_calo);
                 it_calo++; 
         } while( seqno != c->trkseqno && it_calo < CaloLevel2::ntrk());        
        
         if(seqno != c->trkseqno){
                 c = 0;
                 if(seqno!=-1)cout << "PamLevel2::GetCaloStoredTrack(int) : requested tracker SeqNo "<< seqno <<" does not match Calorimeter stored tracks"<<endl;
         };
         return c;

 };
//--------------------------------------
 //
 //
//--------------------------------------
/**
  * Retrieves the ToF track matching the seqno-th tracker stored track. 
  * (If seqno = -1 retrieves the tracker-independent tof track)
 */
 ToFTrkVar *PamLevel2::GetToFStoredTrack(int seqno){
         
         if( ToFLevel2::ntrk()==0 ){
                 cout << "PamLevel2::GetToFStoredTrack(int) : requested tracker SeqNo "<< seqno <<" but no ToF tracks are stored"<<endl;
                 return NULL;
         };
         
         ToFTrkVar *c = 0;
         Int_t it_tof=0;
        
         do{ 
                 c = ToFLevel2::GetToFTrkVar(it_tof);
                 it_tof++; 
         } while( seqno != c->trkseqno && it_tof < ToFLevel2::ntrk());  
        
         if(seqno != c->trkseqno){
                 c = 0;
                 if(seqno!=-1)cout << "PamLevel2::GetToFStoredTrack(int) : requested tracker SeqNo "<< seqno <<" does not match ToF stored tracks"<<endl;
         };
         return c;

 };

//--------------------------------------
 //
 //
//--------------------------------------
/**
 * Give the pamela track associated to a tracker track, retrieving related calorimeter and tof track information. 
 */
 PamTrack* PamLevel2::GetPamTrackAlong(TrkTrack* t){
         
         CaloTrkVar *c = 0;
         ToFTrkVar  *o = 0;
         
         c = GetCaloStoredTrack(t->GetSeqNo());
         o = GetToFStoredTrack(t->GetSeqNo());
         
//    if(t && c && o)track = new PamTrack(t,c,o);
         PamTrack *track = new PamTrack(t,c,o);
         
         return track;
 
 };
//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves the it-th stored track. 
 * It override TrkLevel2::GetTrack(int it). 
 * @param itrk Track number, ranging from 0 to GetNTracks().
 */

PamTrack* PamLevel2::GetStoredTrack(Int_t itrk){
    
        PamTrack *track = 0;

        if( itrk >=0 && itrk < TrkLevel2::ntrk() ){
                 
                TrkTrack *t = TrkLevel2::GetStoredTrack(itrk);
                track = GetPamTrackAlong(t);
        
        }else{
                cout << "PamLevel2::GetStoredTrack(int) : tracker track SeqNo "<< itrk <<" does not exist (GetNTracks() = "<<TrkLevel2::GetNTracks()<<")"<<endl;
        };

        return track;
        
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Sort physical (tracker) tracks and stores them in the TRefArray (of TrkTrack objects) which pointer is  PamLevel2::sorted_tracks.
 * @param how String to set the sorting cryterium (es: "CAL" or "TRK+CAL+TOF" ecc...).
 * Sorting cryteria:
 * TRK: lower chi**2
 * CAL: lower Y spatial residual on the first calorimeter plane
 * TOF: bigger numebr of hit PMTs along the track, on S12 S21 S32 (where paddles are along the Y axis).
 * The default sorting cryterium is "TOF+CAL".
 * 
 * The total number of physical tracks is always given by GetNTracks() and the it-th physical track can be retrieved by means of the methods GetTrack(int it) and GetTrack(int it, TString how).
 */
void PamLevel2::SortTracks(TString how){

  //Save current Object count
        Int_t ObjectNumber = TProcessID::GetObjectCount();
        
        sorted_tracks->Delete(); //temporaneo???
        
    // loop over the tracks sorted by the tracker
        Bool_t use_TRK = how.Contains("TRK", TString::kIgnoreCase);
        Bool_t use_CAL = how.Contains("CAL", TString::kIgnoreCase);
        Bool_t use_TOF = how.Contains("TOF", TString::kIgnoreCase);
        
        
        for(Int_t i=0; i < TrkLevel2::GetNTracks(); i++){

                TrkTrack *ts = 0;

        // get tracker tracks
                TrkTrack   *tp = TrkLevel2::GetTrack(i);                    //tracker
                CaloTrkVar *cp = GetCaloStoredTrack(tp->GetSeqNo());
                ToFTrkVar  *op = GetToFStoredTrack(tp->GetSeqNo());

        // if track has an image, check image selection
                if(tp->HasImage()){
                        
                        TrkTrack   *ti = TrkLevel2::GetTrackImage(i);              //tracker (image)
                        CaloTrkVar *ci = GetCaloStoredTrack(ti->GetSeqNo());
                        ToFTrkVar  *oi = GetToFStoredTrack(ti->GetSeqNo());

            //assign starting scores
                        Int_t tp_score = 0;  //main track sorted by the tracker
                        Int_t ti_score = 0;  //image track
                                                
            // ------------------------
            // calorimeter check
            // ------------------------
                // check the Y spatial residual on the first calorimeter plane
                // (cut on calorimeter variables from Emiliano)
                        if(
                                use_CAL            &&
                                npcfit[1] > 15     &&   //no. of fit planes on Y view
                                varcfit[1] < 1000. &&  //fit variance on Y view
                                true){

                                Float_t resy_p = cp->tbar[0][1] - cbar[0][1]; if(resy_p < 0)resy_p= - resy_p;
                                Float_t resy_i = ci->tbar[0][1] - cbar[0][1]; if(resy_i < 0)resy_i= - resy_i;

                                if(resy_p <= resy_i) tp_score++;
                                else                 ti_score++;
                        };
            // ------------------------
            // TOF check
            // ------------------------     
                // check the number of hit pmts along the track 
                // on S12 S21 and S32, where paddles are parallel to Y axis
                        Int_t nphit_p =0;
                        Int_t nphit_i =0;
                                
                        for (Int_t ih=0; ih < op->npmtadc; ih++){
                                Int_t pl = GetPlaneIndex( (op->pmtadc).At(ih) );
                                if(pl == 1 || pl == 2 || pl == 5)nphit_p++;
                        };
                                                
                        for (Int_t ih=0; ih < oi->npmtadc; ih++){
                                Int_t pl = GetPlaneIndex( (oi->pmtadc).At(ih) );
                                if(pl == 1 || pl == 2 || pl == 5)nphit_i++;     
                        };
                        
                        if(
                                use_TOF            &&
                                (nphit_p+nphit_i) !=0 &&        
                                true){

                                if( nphit_p >= nphit_i) tp_score++;
                                else                                              ti_score++;
                        };
            
                        if(tp_score == ti_score) use_TRK = true;
                // ------------------------
            // tracker check
            // ------------------------
                // chi**2 difference is not always large enough to distinguish among 
                // the real track and its image.
                // Tracker check will be applied always when calorimeter and tof information is ambiguous.
                        if(use_TRK){
                                if(      tp->chi2 > 0 && tp->chi2 < ti->chi2 ) tp_score++ ;
                                else if( ti->chi2 > 0 && ti->chi2 < tp->chi2 ) ti_score++ ;
                        };

            // ------------------------
            // the winner is....
            // ------------------------     
                        if      (tp_score > ti_score) ts = tp;//the track sorted by the tracker!!
                        else if (tp_score < ti_score) ts = ti;//its image!!
                        else {
                                ts = tp;
//                              cout << "Warning - track image ambiguity not solved" << endl;
//                              cout << ts->GetNtot() << " "<< ts->chi2 << " " << npcfit[1] << " "<< nphit_p << endl;
                        };

                }else{
                        ts = tp;
                };
                
//              cout <<" SortTracks() "<<i<<" -- "<<ts<<endl;
                sorted_tracks->Add(ts);//save the track in the sorted array
//              cout << "SortTracks:: sorted_tracks->Add(it) "<<i<<" "<<ts<<endl;
                
        };
  //Restore Object count 
  //To save space in the table keeping track of all referenced objects
  //we assume that our events do not address each other. We reset the 
  //object count to what it was at the beginning of the event.
        TProcessID::SetObjectCount(ObjectNumber);

};
//--------------------------------------
//
//
//--------------------------------------
/**
 * This method overrides TrkLevel2::GetTracks(), where sorting is done by decreasing number of fit points and increasing chi^2.
 * PamLevel2::GetTracks() keeps the same track order given by TrkLevel2::GetTracks(), but checks image selection by using calorimeter and ToF tracking information.
 */
 TRefArray *PamLevel2::GetTracks(){
         //
        SortTracks("+CAL+TOF");
        //
        return sorted_tracks;
 };
//--------------------------------------
 //
 //
//--------------------------------------
/**
 * Retrieves the it-th Pamela "physical" track. 
 * It override TrkLevel2::GetTrack(int it). 
 * @param it Track number, ranging from 0 to GetNTracks().
 */
PamTrack *PamLevel2::GetTrack(int it){
        
//  *-*-*-*-*-*-*
        SortTracks("+CAL+TOF");
//  *-*-*-*-*-*-*

        PamTrack *track = 0;
        
        if( it >=0 && it < TrkLevel2::GetNTracks() ){
                TrkTrack   *t = (TrkTrack*)sorted_tracks->At(it);
//              cout << "GetTrack(int it):: sorted_tracks->At(it) "<<it<<" "<<t<<endl;
                track = GetPamTrackAlong(t);
        }else{
                cout << "PamLevel2::GetTrack(int) : tracker track SeqNo "<< it <<" does not exist (GetNTracks() = "<<TrkLevel2::GetNTracks()<<")"<<endl;
        };
        
        return track;

};

//--------------------------------------
//
//
//--------------------------------------
/**
 * Retrieves (if present) the image of the it-th Pamela "physical" track, sorted by the method PamLevel2::SortTracks(). 
 * @param it Track number, ranging from 0 to GetNTracks().
 */
PamTrack *PamLevel2::GetTrackImage(int it){

        SortTracks("+CAL+TOF");
        
        PamTrack *image = 0;

        if( it >=0 && it < TrkLevel2::GetNTracks() ){
                TrkTrack *temp = (TrkTrack*)sorted_tracks->At(it);
                if( temp->HasImage() ){
                        TrkTrack   *t = TrkLevel2::GetStoredTrack(temp->GetImageSeqNo());
                        image = GetPamTrackAlong(t);
                }else{
                        cout <<"PamLevel2::GetTrackImage(int) : Track SeqNo "<<it<<" does not have image"<<endl;
                };
        }else{
                cout << "PamLevel2::GetTrackImage(int) : Tracker track SeqNo "<< it <<" does not exist (GetNTracks() = "<<TrkLevel2::GetNTracks()<<")"<<endl;
        };
    
        return image;
}

//--------------------------------------
//
//
//--------------------------------------
/**
 * Get the Pamela detector trees in a single file and make them friends.
 * @param f TFile pointer
 * @param detlist String to select trees to be included
 * @return Pointer to a TTree
 */
TTree *PamLevel2::GetPamTree(TFile *f, TString detlist="+ALL"){

        cout << "WARNING!!! -- obsolete method -- \n";
        cout << "better use TChain *PamLevel2::GetPamTree(TList*, TString) \n";
        
        TTree *Trout =0;
        
        SetWhichTrees(detlist);
// Tracker
    TTree *T = (TTree*)f->Get("Tracker");
    if(T && TRK) {
                if(TRK_L1){
                        T->SetBranchAddress("TrkLevel1", GetPointerToTrk(1));
                        cout << "Tracker      : set branch address TrkLevel1"<<endl;
                };
                T->SetBranchAddress("TrkLevel2", GetPointerToTrk(2));
                cout << "Tracker      : set branch address TrkLevel2"<<endl;
    }else{
        cout << "Tracker      : missing tree"<<endl;
    };
    // Calorimeter
    TTree *C = (TTree*)f->Get("Calorimeter");
    if(C && CAL) {
        C->SetBranchAddress("CaloLevel2", GetPointerToCalo());
        cout << "Calorimeter  : set branch address CaloLevel2"<<endl;
        if(!Trout)Trout=C;
        else Trout->AddFriend(C);
    }else{
        cout << "Calorimeter  : missing tree"<<endl;
    };
    // ToF    
    TTree *O = (TTree*)f->Get("ToF");
    if(O && TOF) {
        O->SetBranchAddress("ToFLevel2", GetPointerToToF());
        cout << "ToF          : set branch address ToFLevel2"<<endl;
        if(!Trout)Trout=O;
        else Trout->AddFriend(O);
    }else{
        cout << "ToF         : missing tree"<<endl;
    };
    // Trigger
    TTree *R = (TTree*)f->Get("Trigger");
    if(R && TRG) {
        R->SetBranchAddress("TrigLevel2", GetPointerToTrig());
        cout << "Trigger      : set branch address TrigLevel2"<<endl;
        if(!Trout)Trout=O;
        else Trout->AddFriend(R);
    }else{
        cout << "Trigger      : missing tree"<<endl;
    };
    // S4
    TTree *S = (TTree*)f->Get("S4");
    if(S && S4) {
        S->SetBranchAddress("S4Level2", GetPointerToS4());
        cout << "S4           : set branch address S4Level2"<<endl;
        if(!Trout)Trout=O;
        else Trout->AddFriend(S);
    }else{
        cout << "S4           : missing tree"<<endl;
    };
    // Neutron Detector
    TTree *N = (TTree*)f->Get("NeutronD");
    if(N && ND) {
        N->SetBranchAddress("NDLevel2", GetPointerToND());
        cout << "NeutronD     : set branch address NDLevel2"<<endl;
        if(!Trout)Trout=O;
        else Trout->AddFriend(N);
    }else{
        cout << "NeutronD     : missing tree"<<endl;
    };
    // Anticounters
    TTree *A = (TTree*)f->Get("Anticounter");
    if(A && AC) {
        A->SetBranchAddress("AcLevel2", GetPointerToAc());
        cout << "Anticounter  : set branch address AcLevel2"<<endl;
        if(!Trout)Trout=O;
        else Trout->AddFriend(A);
    }else{
        cout << "Anticounter  : missing tree"<<endl;
    };
    // Orbital Info
        TTree *B = (TTree*)f->Get("OrbitalInfo");
        if(B && ORB) {
                B->SetBranchAddress("OrbitalInfo", GetPointerToOrb());
                cout << "OrbitalInfo  : set branch address OrbitalInfo"<<endl;
                if(!Trout)Trout=O;
                else Trout->AddFriend(B);
        }else{
                cout << "OrbitalInfo  : missing tree"<<endl;
        };
    
    return Trout;
    
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Get all the Pamela detector trees in a single file and make them friends.
 * @param f TFile pointer
 * @return Pointer to a TTree
 */
/*TTree *PamLevel2::GetPamTree(TFile *f){
    
        
        TTree *Tout =0;
        
        SetWhichTrees("+ALL");
        
    // Tracker
        TTree *T = (TTree*)f->Get("Tracker");
        if(T && TRK) {
                T->SetBranchAddress("TrkLevel2", GetPointerToTrk());
                cout << "Tracker      : set branch address TrkLevel2"<<endl;
                if(!Tout)Tout=T;
        }else{
                cout << "Tracker      : missing tree"<<endl;
        };
    // Calorimeter
        TTree *C = (TTree*)f->Get("Calorimeter");
        if(C && CAL) {
                C->SetBranchAddress("CaloLevel2", GetPointerToCalo());
                cout << "Calorimeter  : set branch address CaloLevel2"<<endl;
                if(!Tout)Tout=C;
                else Tout->AddFriend(C);
        }else{
                cout << "Calorimeter  : missing tree"<<endl;
        };
    // ToF    
        TTree *O = (TTree*)f->Get("ToF");
        if(O && TOF) {
                O->SetBranchAddress("ToFLevel2", GetPointerToToF());
                cout << "ToF          : set branch address ToFLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(O);
        }else{
                cout << "ToF         : missing tree"<<endl;
        };
    // Trigger
        TTree *R = (TTree*)f->Get("Trigger");
        if(R && TRG) {
                R->SetBranchAddress("TrigLevel2", GetPointerToTrig());
                cout << "Trigger      : set branch address TrigLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(R);
        }else{
                cout << "Trigger      : missing tree"<<endl;
        };
    // S4
        TTree *S = (TTree*)f->Get("S4");
        if(S && S4) {
                S->SetBranchAddress("S4Level2", GetPointerToS4());
                cout << "S4           : set branch address S4Level2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(S);
        }else{
                cout << "S4           : missing tree"<<endl;
        };
    // Neutron Detector
        TTree *N = (TTree*)f->Get("NeutronD");
        if(N && ND) {
                N->SetBranchAddress("NDLevel2", GetPointerToND());
                cout << "NeutronD     : set branch address NDLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(N);
        }else{
                cout << "NeutronD     : missing tree"<<endl;
        };
    // Anticounters
        TTree *A = (TTree*)f->Get("Anticounter");
        if(A && AC) {
                A->SetBranchAddress("AcLevel2", GetPointerToAc());
                cout << "Anticounter  : set branch address AcLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(A);
        }else{
                cout << "Anticounter  : missing tree"<<endl;
        };
    // Orbital Info
        TTree *B = (TTree*)f->Get("OrbitalInfo");
        if(B && ORB) {
                B->SetBranchAddress("OrbitalInfo", GetPointerToOrb());
                cout << "OrbitalInfo  : set branch address OrbitalInfo"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend(B);
        }else{
                cout << "OrbitalInfo  : missing tree"<<endl;
        };
    
        return Tout;
    
}*/
//--------------------------------------
//
//
//--------------------------------------
/**
 * Get list of Level2 files.
 * @param ddir Level2 data directory.
 * @param flisttxt Name of txt file containing file list.
 * @return Pointer to a TList of TSystemFiles
 * If no input file list is given , all the Level2 files inside the directory are processed.
 */
TList*  PamLevel2::GetListOfLevel2Files(TString ddir, TString flisttxt = ""){
        
        TString wdir = gSystem->WorkingDirectory();     
        
        if(ddir=="")ddir = wdir;
//      TSystemDirectory *datadir = new TSystemDirectory(gSystem->BaseName(ddir),ddir);
        cout << "Level2 data directory : "<< endl <<  ddir << endl;
                
        TList *contents  = new TList; // create output list
        contents->SetOwner();
        
        char *fullpath;
                
        // if no input file list is given:      
        if ( flisttxt != "" ){
                                
                if( !gSystem->IsFileInIncludePath(flisttxt,&fullpath) )return 0;
                
//              flisttxt = gSystem->ConcatFileName(gSystem->DirName(flisttxt),gSystem->BaseName(flisttxt));
                flisttxt = fullpath;
                
                if( !gSystem->ChangeDirectory(ddir) )return 0; 
        
                cout <<"Input file list : "<< endl << flisttxt <<endl;
                ifstream in; 
                in.open(flisttxt, ios::in); //open input file list
                while (1) {
                        TString file;
                        in >> file;
                        if (!in.good()) break;
                        if( gSystem->IsFileInIncludePath(file,&fullpath) ){
//                              contents->Add(new TSystemDirectory(fullpath,ddir)); // add file to the list
//                              contents->Add(new TSystemFile(fullpath,ddir)); // add file to the list
                                contents->Add(new TSystemFile(fullpath,gSystem->DirName(fullpath)));// add file to the list
                        }else{
                                cout << "warning! --- File "<<file<<" does not exists"<< endl;
                        };
                };
                in.close();
                
        }else{
        
                cout << "No input file list given."<<endl;
                cout << "Check for existing root files."<<endl;
//              cout << "Warking directory: "<< gSystem->WorkingDirectory()<< endl;
                
                TSystemDirectory *datadir = new TSystemDirectory(gSystem->BaseName(ddir),ddir);
                TList *temp = datadir->GetListOfFiles();
//              temp->Print();
//              cout << "*************************************" << endl;
                
                TIter next(temp);
                TSystemFile *questo = 0;
                
                
                while ( (questo = (TSystemFile*) next()) ) {
                        TString name =  questo-> GetName();
                        if( name.EndsWith(".root") ){
                                char *fullpath;
                                gSystem->IsFileInIncludePath(name,&fullpath);
                                contents->Add(new TSystemFile(fullpath,gSystem->DirName(fullpath)));
                        };
                }
                delete temp;
                delete datadir;
        
        };
        gSystem->ChangeDirectory(wdir); // back to the working directory
        cout << endl << "Selected files:" << endl;
        contents->Print();
        cout << endl;
//      cout << "Working directory: "<< gSystem->WorkingDirectory()<< endl;
        return contents;
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Get the Pamela detector chains from a list of files and make them friends.
 * @param fl Pointer to a TList of TSystemFiles 
 * @param detlist String to select trees to be included
 * @return Pointer to a TChain
 */
TChain *PamLevel2::GetPamTree(TList *fl, TString detlist="+ALL"){

//      TChain *Tout=0;
        if(Tout)Tout->Delete();
        Tout = NULL;
        
        SetWhichTrees(detlist);
        
        TChain *T = 0;  
        TChain *C = 0;
        TChain *O = 0;
        TChain *R = 0;
        TChain *S = 0;
        TChain *N = 0;
        TChain *A = 0;
        TChain *B = 0;
        
        if(TRK) T = new TChain("Tracker");      
        if(CAL) C = new TChain("Calorimeter");
        if(TOF) O = new TChain("ToF");
        if(TRG) R = new TChain("Trigger");
        if(S4)  S = new TChain("S4");
        if(ND)  N = new TChain("NeutronD");
        if(AC)  A = new TChain("Anticounter");
        if(ORB) B = new TChain("OrbitalInfo");
        
        // loop over files and create chains    
        TIter next(fl);
        TSystemFile *questo = 0;
        while ( (questo = (TSystemFile*) next()) ) {
                TString name =  questo->GetName();
//              cout << "File: "<< name << endl;
                if( CheckLevel2File(name) ){
                        if(TRK) T->Add(name);
                        if(CAL) C->Add(name);
                        if(TOF) O->Add(name);
                        if(TRG) R->Add(name);
                        if(S4)  S->Add(name);
                        if(ND)  N->Add(name);
                        if(AC)  A->Add(name);
                        if(ORB) B->Add(name);
                };
        }
        
/*    // Tracker
        if(TRK) {
                if(TRK_L1){
                        T->SetBranchAddress("TrkLevel1", GetPointerToTrk(1));
                        cout << "Tracker      : set branch address TrkLevel1"<<endl;
                };
                T->SetBranchAddress("TrkLevel2", GetPointerToTrk(2));
                cout << "Tracker      : set branch address TrkLevel2"<<endl;
                
                if(!Tout)Tout=T;
        };
            
        // Calorimeter
        if(CAL) {
                C->SetBranchAddress("CaloLevel2", GetPointerToCalo());
                cout << "Calorimeter  : set branch address CaloLevel2"<<endl;
                if(!Tout)Tout=C;
                else Tout->AddFriend("Calorimeter");
        };
        
    // ToF    
        if(TOF) {
                O->SetBranchAddress("ToFLevel2", GetPointerToToF());
                cout << "ToF          : set branch address ToFLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("ToF");
        };
    // Trigger
        if(TRG) {
                R->SetBranchAddress("TrigLevel2", GetPointerToTrig());
                cout << "Trigger      : set branch address TrigLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("Trigger");
        };
    // S4
        if(S4) {
                S->SetBranchAddress("S4Level2", GetPointerToS4());
                cout << "S4           : set branch address S4Level2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("S4");
        };
    // Neutron Detector
        if(ND) {
                N->SetBranchAddress("NDLevel2", GetPointerToND());
                cout << "NeutronD     : set branch address NDLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("NeutronD");
        };
    // Anticounters
        if(AC) {
                A->SetBranchAddress("AcLevel2", GetPointerToAc());
                cout << "Anticounter  : set branch address AcLevel2"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("Anticounter");
        };
    // OrbitalInfo
        if(ORB) {
                B->SetBranchAddress("OrbitalInfo", GetPointerToOrb());
                cout << "OrbitalInfo  : set branch address OrbitalInfo"<<endl;
                if(!Tout)Tout=O;
                else Tout->AddFriend("OrbitalInfo");
        };
    
        cout<<endl<<" Number of entries: "<<Tout->GetEntries()<<endl<<endl;*/
        
            // Tracker
        if(TRK) if(!Tout)Tout=T;
            
        // Calorimeter
        if(CAL) {               
                if(!Tout)Tout=C;
                else Tout->AddFriend("Calorimeter");
        };
        
    // ToF    
        if(TOF) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("ToF");
        };
    // Trigger
        if(TRG) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("Trigger");
        };
    // S4
        if(S4) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("S4");
        };
    // Neutron Detector
        if(ND) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("NeutronD");
        };
    // Anticounters
        if(AC) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("Anticounter");
        };
    // OrbitalInfo
        if(ORB) {
                if(!Tout)Tout=O;
                else Tout->AddFriend("OrbitalInfo");
        };
        
        cout<<endl<<" Number of entries: "<<Tout->GetEntries()<<endl<<endl;
        
        PamLevel2::SetBranchAddress();
        
        return Tout;
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Set branch addresses for Pamela friend trees
 */
void PamLevel2::SetBranchAddress(){
    // Tracker
        if(TRK) {
                if(TRK_L1){
                        Tout->SetBranchAddress("TrkLevel1", GetPointerToTrk(1));
                        cout << "Tracker      : set branch address TrkLevel1"<<endl;
                };
                Tout->SetBranchAddress("TrkLevel2", GetPointerToTrk(2));
                cout << "Tracker      : set branch address TrkLevel2"<<endl;
        };
            
        // Calorimeter
        if(CAL) {
                Tout->SetBranchAddress("CaloLevel2", GetPointerToCalo());
                cout << "Calorimeter  : set branch address CaloLevel2"<<endl;
        };
        
    // ToF    
        if(TOF) {
                Tout->SetBranchAddress("ToFLevel2", GetPointerToToF());
                cout << "ToF          : set branch address ToFLevel2"<<endl;
        };
    // Trigger
        if(TRG) {
                Tout->SetBranchAddress("TrigLevel2", GetPointerToTrig());
                cout << "Trigger      : set branch address TrigLevel2"<<endl;
        };
    // S4
        if(S4) {
                Tout->SetBranchAddress("S4Level2", GetPointerToS4());
                cout << "S4           : set branch address S4Level2"<<endl;
        };
    // Neutron Detector
        if(ND) {
                Tout->SetBranchAddress("NDLevel2", GetPointerToND());
                cout << "NeutronD     : set branch address NDLevel2"<<endl;
        };
    // Anticounters
        if(AC) {
                Tout->SetBranchAddress("AcLevel2", GetPointerToAc());
                cout << "Anticounter  : set branch address AcLevel2"<<endl;
        };
    // OrbitalInfo
        if(ORB) {
                Tout->SetBranchAddress("OrbitalInfo", GetPointerToOrb());
                cout << "OrbitalInfo  : set branch address OrbitalInfo"<<endl;
        };
        
}

//--------------------------------------
//
//
//--------------------------------------
void *PamLevel2::GetPointerTo(const char* c ){
//      cout << "objname "<< objname << endl;
        TString objname = c;
        if(!objname.CompareTo("TrkLevel1"))return &trk_l1_obj;
        if(!objname.CompareTo("TrkLevel2"))return &trk_obj;
        
        return NULL;
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Get the Run tree chain from a list of files.
 * @param fl Pointer to a TList of TSystemFiles 
 * @return Pointer to a TChain
 */
TChain *PamLevel2::GetRunTree(TList *fl){
        
        TChain *R = new TChain("Run");

        // loop over files and create chains    
        TIter next(fl);
        TSystemFile *questo = 0;
        while ( (questo = (TSystemFile*) next()) ) {
                TString name =  questo->GetName();
//              cout << "File: "<< name << endl;
                if( CheckLevel2File(name) ){
                        R->Add(name);
                };
        }
        
        R->SetBranchAddress("RunInfo", GetPointerToRun());
        cout << "Run         : set branch address RunInfo"<<endl;
    
        return R;
    
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Get the Run tree  from a file.
 * @param f Pointer to a TFile 
 * @return Pointer to a TTree
 */
TTree *PamLevel2::GetRunTree(TFile *f){


        TTree *R = (TTree*)f->Get("Run");

        R->SetBranchAddress("RunInfo", GetPointerToRun());
        cout << "Run         : set branch address RunInfo"<<endl;
    
        return R;
    
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Set which trees should be analysed
 * @param detlist TString containing the sequence of trees required 
*/
void PamLevel2::SetWhichTrees(TString detlist){
        
        if(detlist.Contains("+ALL", TString::kIgnoreCase)){
                CAL = true;
                TRK = true;
                TRK_L1 = false;
                TRG = true;
                TOF = true;
                S4  = true;
                ND  = true;
                AC  = true;
                ORB = true;
        }else if( detlist.Contains("-ALL", TString::kIgnoreCase) ){
                CAL = false;
                TRK = false;
                TRK_L1 = false;
                TRG = false;
                TOF = false;
                S4  = false;
                ND  = false;
                AC  = false;
                ORB = false;
        };
        
        if( detlist.Contains("-CAL", TString::kIgnoreCase) )CAL = false;
        else if( detlist.Contains("+CAL", TString::kIgnoreCase) )CAL = true;
        
        if( detlist.Contains("-TRK", TString::kIgnoreCase) )TRK = false;
        else if( detlist.Contains("+TRK", TString::kIgnoreCase) )TRK = true;
        
        if( detlist.Contains("-TRK1", TString::kIgnoreCase) )TRK_L1 = false;
        else if( detlist.Contains("+TRK1", TString::kIgnoreCase) )TRK_L1 = true;
        
        if( detlist.Contains("-TRG", TString::kIgnoreCase) )TRG = false;
        else if( detlist.Contains("+TRG", TString::kIgnoreCase) )TRG = true;
        
        if( detlist.Contains("-TOF", TString::kIgnoreCase) )TOF = false;
        else if( detlist.Contains("+TOF", TString::kIgnoreCase) )TOF = true;
        
        if( detlist.Contains("-S4",  TString::kIgnoreCase) )S4  = false;
        else if( detlist.Contains("+S4",  TString::kIgnoreCase) )S4  = true;
        
        if( detlist.Contains("-ND",  TString::kIgnoreCase) )ND  = false;
        else if( detlist.Contains("+ND",  TString::kIgnoreCase) )ND  = true;
        
        if( detlist.Contains("-AC",  TString::kIgnoreCase) )AC  = false;
        else if( detlist.Contains("+AC",  TString::kIgnoreCase) )AC  = true;
        
        if( detlist.Contains("-ORB", TString::kIgnoreCase) )ORB = false;
        else if( detlist.Contains("+ORB", TString::kIgnoreCase) )ORB = true;
        
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Check if a file contains selected Pamela Level2 trees.
 * @param name File name
 * @return true if the file is ok.
 */
Bool_t  PamLevel2::CheckLevel2File(TString name){
        
        Bool_t CAL__ok = false;
        Bool_t TRK__ok = false;
        Bool_t TRK_L1__ok = false;
        Bool_t TRG__ok = false;
        Bool_t TOF__ok = false;
        Bool_t S4__ok  = false;
        Bool_t ND__ok  = false;
        Bool_t AC__ok  = false;
        Bool_t ORB__ok = false;
        
        Bool_t RUN__ok = false;
        
        TFile *f = new TFile(name.Data());
        TList *lk = f->GetListOfKeys();
//      lk->Print();
        TIter next(lk);
        TKey *key =0;
        while( (key = (TKey*)next()) ){
//              cout << key->GetName() << endl;
                if( !strcmp(key->GetName(),"Calorimeter") )CAL__ok = true;
//              if( !strcmp(key->GetName(),"Tracker"    ) )TRK__ok = true;
                if( !strcmp(key->GetName(),"Trigger"    ) )TRG__ok = true;
                if( !strcmp(key->GetName(),"ToF"        ) )TOF__ok = true;
                if( !strcmp(key->GetName(),"S4"         ) )S4__ok = true;
                if( !strcmp(key->GetName(),"NeutronD"   ) )ND__ok = true;
                if( !strcmp(key->GetName(),"Anticounter") )AC__ok = true;
                if( !strcmp(key->GetName(),"OrbitalInfo") )ORB__ok = true;
                if( !strcmp(key->GetName(),"Run"        ) )RUN__ok = true;
                
                if( !strcmp(key->GetName(),"Tracker"    ) ){
                        TRK__ok = true;
                        TTree *T = (TTree*)f->Get("Tracker");
                        for(Int_t i=0; i<T->GetListOfBranches()->GetEntries(); i++){
                                TString name = T->GetListOfBranches()->At(i)->GetName();
                                if( !name.CompareTo("TrkLevel1") )TRK_L1__ok=true;
                        };
                };

        };
                
        lk->Delete();
        f->Close();
        
        Bool_t FLAG = true;
        if(!RUN__ok) {
                cout << "File: "<< f->GetName() <<" discarded ---- Missing RunInfo tree"<< endl;
                FLAG = false;
        };
        if(CAL && !CAL__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing Calorimeter tree"<< endl;
                FLAG = false;
        };
        if(TRK && !TRK__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing Tracker tree"<< endl;
                FLAG = false;
        };
        if(TRK_L1 && !TRK_L1__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing Tracker Level1 Branch"<< endl;
                FLAG = false;
        };
        if(TRG && !TRG__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing Trigger tree"<< endl;
                FLAG = false;
        };
        if(TOF && !TOF__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing ToF tree"<< endl;
                FLAG = false;
        };
        if(S4 && !S4__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing S4 tree"<< endl;
                FLAG = false;
        };
        if(ND && !ND__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing ND tree"<< endl;
                FLAG = false;
        };
        if(AC && !AC__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing AC tree"<< endl;
                FLAG = false;
        };
        if(ORB && !ORB__ok){
                cout << "File: "<< f->GetName() <<" discarded ---- Missing ORB tree"<< endl;
                FLAG = false;
        };
        
        return FLAG;
        
};

