TrackerLevel2/src/TrkLevel1.cpp

/**
 * \file TrkLevel1.cpp
 * \author Elena Vannuccini
 */
#include <TrkLevel1.h>
#include <iostream>
using namespace std;
//......................................
// F77 routines
//......................................
extern "C" {
        
//      int readetaparam_(); 
    float cog_(int*,int*);
    float pfaeta_(int*,float*);
    float pfaeta2_(int*,float*);
    float pfaeta3_(int*,float*);
    float pfaeta4_(int*,float*);
        
}
//--------------------------------------
//
//
//--------------------------------------
TrkCluster::TrkCluster(){
        
//    cout << "TrkCluster::TrkCluster()"<<endl;
    view     = -1;
    maxs     = -1;
    indmax   = -1;
        
    CLlength = 0;
    clsignal = 0; 
    clsigma  = 0; 
    cladc    = 0; 
    clbad    = 0; 

};
//--------------------------------------
//
//
//--------------------------------------
TrkCluster::TrkCluster(const TrkCluster& t){
        
    view     = t.view;
    maxs     = t.maxs;
    indmax   = t.indmax;
        
    CLlength = t.CLlength;      
    if(CLlength){
        clsignal = new Float_t[CLlength];
        clsigma  = new Float_t[CLlength];
        cladc    = new Int_t[CLlength];
        clbad    = new Bool_t[CLlength];
        for(Int_t i=0; i<CLlength;i++){
            clsignal[i] = t.clsignal[i]; 
            clsigma[i]  = t.clsigma[i]; 
            cladc[i]    = t.cladc[i]; 
            clbad[i]    = t.clbad[i]; 
        };
    };
};
//--------------------------------------
//
//
//--------------------------------------
void TrkCluster::Clear(){
    
//    cout << "void TrkCluster::Clear()"<<endl;
    if(CLlength){
        delete [] clsignal; 
        delete [] clsigma; 
        delete [] cladc; 
        delete [] clbad; 
    }

    view     = 0;
    maxs     = 0;
    indmax   = 0;
        
    CLlength = 0;
    clsignal = 0; 
    clsigma  = 0; 
    cladc    = 0; 
    clbad    = 0; 

};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Evaluate the cluster signal including a maximum number of adjacent 
 * strips, around maxs, having a significant signal. 
 * @param nstrip   Maximum number of strips.
 * @param cut      Inclusion cut ( s > cut*sigma ).
 * If nstrip<=0 only the inclusion cut is used to determine the cluster size.
 */
Float_t TrkCluster::GetSignal(Int_t nstrip, Float_t cut){
    
    if(CLlength<=0)return 0;

    Float_t s = 0;
    
    if( nstrip<=0 ){
//          for(Int_t is = 0; is < CLlength; is++){
//              Float_t scut = cut*clsigma[is];
//              if(clsignal[is] > scut) s += clsignal[is];
//          };
        for(Int_t is = indmax+1; is < CLlength; is++){
            Float_t scut = cut*clsigma[is];
            if(clsignal[is] > scut) s += clsignal[is];
            else break;
        };
        for(Int_t is = indmax; is >=0; is--){
            Float_t scut = cut*clsigma[is];
            if(clsignal[is] > scut) s += clsignal[is];
            else break;
        };
        return s;
    };
    
    
    Int_t il = indmax;
    Int_t ir = indmax;
    Int_t inc = 0;

    if( clsignal[indmax] < cut*clsigma[indmax] ) return 0;

    while ( inc < nstrip ){
        Float_t sl = -100000;
        Float_t sr = -100000;
        if( il >= 0       ) sl = clsignal[il];
        if( ir < CLlength ) sr = clsignal[ir];
        if( sl == sr && inc == 0 ){
            s += clsignal[il]; //cout << inc<<" - "<< clsignal[il]<<" "<<s<<endl;
            il--; 
            ir++;
        }else if ( sl >= sr && sl > cut*clsigma[il] && inc !=0 ){
            s += sl;//cout << inc<<" - "<< clsignal[il]<<" "<<s<<endl;
            il--; 
        }else if ( sl < sr && sr > cut*clsigma[ir] ){
            s += sr;//cout << inc<<" - " << clsignal[ir]<<" "<<s<<endl;
            ir++;
        }else break;
        
        inc++;
    }
    return s;
};


/**
 * Evaluate the cluster signal-to-noise, as defined by Turchetta, including a 
 * maximum number of adjacent strips, around maxs, having a significant signal. 
 * @param nstrip   Maximum number of strips.
 * @param cut      Inclusion cut ( s > cut*sigma ).
 * If nstrip<=0 only the inclusion cut is used to determine the cluster size.
 */
Float_t TrkCluster::GetSignalToNoise(Int_t nstrip, Float_t cut){
        
    if(CLlength<=0)return 0;

    Float_t sn = 0;
    
    if( nstrip<=0 ){
        for(Int_t is = indmax+1; is < CLlength; is++){
            Float_t scut = cut*clsigma[is];
            if(clsignal[is] > scut) sn += clsignal[is]/clsigma[is];
            else break;
        };
        for(Int_t is = indmax; is >=0; is--){
            Float_t scut = cut*clsigma[is];
            if(clsignal[is] > scut) sn += clsignal[is]/clsigma[is];
            else break;
        };
        return sn;
    };
    
    
    Int_t il = indmax;
    Int_t ir = indmax;
    Int_t inc = 0;

    if( clsignal[indmax] < cut*clsigma[indmax] ) return 0;

    while ( inc < nstrip ){
        Float_t sl = -100000;
        Float_t sr = -100000;
        if( il >= 0       ) sl = clsignal[il];
        if( ir < CLlength ) sr = clsignal[ir];
        if( sl == sr && inc == 0 ){
            sn += clsignal[il]/clsigma[il]; 
            il--; 
            ir++;
        }else if ( sl >= sr && sl > cut*clsigma[il] && inc !=0 ){
            sn += sl/clsigma[il];
            il--; 
        }else if ( sl < sr && sr > cut*clsigma[ir] ){
            sn += sr/clsigma[ir];
            ir++;
        }else break;
        
        inc++;
    }
    return sn;
};
/**
 * Evaluate the cluster multiplicity.
 * @param cut Inclusion cut.
 */
Int_t TrkCluster::GetMultiplicity(Float_t cut){

    if(CLlength<=0)return 0;

    Int_t m = 0;

    for(Int_t is = indmax+1; is < CLlength; is++){
        Float_t scut = cut*clsigma[is];
        if(clsignal[is] > scut) m++;
        else break;
    };
    for(Int_t is = indmax; is >=0; is--){
        Float_t scut = cut*clsigma[is];
        if(clsignal[is] > scut) m++;
        else break;
    };
    return m;
};
/**
 * True if the cluster contains bad strips.
 * @param nbad Number of strips around the maximum.
 */
Bool_t TrkCluster::IsBad(Int_t nbad){
                
    if(CLlength<=0)return 0;

    Int_t il,ir;
    il = indmax;
    ir = indmax;
    for(Int_t i=1; i<nbad; i++){
        if (ir == CLlength && il == 0)break;
        else if (ir == CLlength && il != 0)il--;
        else if (ir != CLlength && il == 0)ir++;
        else{
            if(clsignal[il-1] > clsignal[ir+1])il--;
            else ir++;
        }
    }
    Int_t isbad = 0;
    for(Int_t i=il; i<=ir; i++)isbad += clbad[i];
    
    return ( isbad != nbad );
};
/**
 * True if the cluster contains saturated strips.
 * @param nbad Number of strips around the maximum.
 */
Bool_t TrkCluster::IsSaturated(Int_t nbad){

    if(CLlength<=0)return 0;

    Int_t il,ir;
    il = indmax;
    ir = indmax;
    for(Int_t i=1; i<nbad; i++){
        if (ir == CLlength && il == 0)break;
        else if (ir == CLlength && il != 0)il--;
        else if (ir != CLlength && il == 0)ir++;
        else{
            if(clsignal[il-1] > clsignal[ir+1])il--;
            else ir++;
        }
    }
    Int_t isbad = 0;
    for(Int_t i=il; i<=ir; i++){
        if( IsX() && cladc[i] > 2980 )isbad++;
        if( IsY() && cladc[i] <   80 )isbad++;
    }
    return ( isbad != 0 );
    
}
//--------------------------------------
//
//
//--------------------------------------
void TrkCluster::Dump(){

    cout << "----- Cluster" << endl;
    cout << "View "<<view << " - Ladder "<<GetLadder()<<endl;
    cout << "Position of maximun "<< maxs <<endl;
    cout << "Multiplicity        "<< GetMultiplicity() <<endl;
    cout << "Tot signal          "<< GetSignal() << " (ADC channels)"<<endl ;
    cout << "Signal/Noise        "<< GetSignalToNoise();
    cout <<endl<< "Strip signals       ";
    for(Int_t i =0; i<CLlength; i++)cout << " " <<clsignal[i];
    cout <<endl<< "Strip sigmas        ";
    for(Int_t i =0; i<CLlength; i++)cout << " " <<clsigma[i];
    cout <<endl<< "Strip ADC           ";
    for(Int_t i =0; i<CLlength; i++)cout << " " <<cladc[i];
    cout <<endl<< "Strip BAD           ";
    for(Int_t i =0; i<CLlength; i++){
        if(i==indmax)cout << "  *" <<clbad[i]<<"*";
        else cout << " " <<clbad[i];
    }
    cout << endl;
        
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Method to fill a level1 struct with only one cluster (done to use F77 p.f.a. routines on a cluster basis). 
 */
void TrkCluster::GetLevel1Struct(cTrkLevel1* l1){
                
//    cTrkLevel1* l1 = new cTrkLevel1;

//    cTrkLevel1* l1 = &level1event_ ;
        
    l1->nclstr1 = 1;
    l1->view[0] = view;
    l1->ladder[0] = GetLadder();
    l1->maxs[0] = maxs;
    l1->mult[0] = GetMultiplicity();
    l1->dedx[0] = GetSignal();
    l1->indstart[0] = 1;
    l1->indmax[0]   = indmax+1;
    l1->totCLlength = CLlength;
    for(Int_t i=0; i<CLlength; i++){
        l1->clsignal[i] = clsignal[i];
        l1->clsigma[i] = clsigma[i];
        l1->cladc[i] = cladc[i];
        l1->clbad[i] = clbad[i];
    };
    
//    return l1;
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Evaluates the Center-Of-Gravity (COG) of the cluster, in strips, relative to the strip with the maximum signal (TrkCluster::maxs).
 *      @param ncog Number of strips to evaluate COG.   
 * If ncog=0, the COG of the cluster is evaluated according to the cluster multiplicity (defined by the inclusion cut). 
 * If ncog>0, the COG is evaluated using ncog strips, even if they have a negative signal (according to G.Landi)
 */
Float_t TrkCluster::GetCOG(Int_t ncog){
        
    int ic = 1;
    GetLevel1Struct();
    return cog_(&ncog,&ic);
        
};
/**
 * Evaluates the Center-Of-Gravity (COG) of the cluster, in strips, relative to the strip with the maximum signal (TrkCluster::maxs), 
 * choosing the number of strips according to the angle, as implemented for the eta-algorythm .
 *      @param angle Projected angle in degree.         
 */
Float_t TrkCluster::GetCOG(Float_t angle){
            
    Int_t neta  = 0;

//     Float_t eta = GetETA(0,angle);
//     for(neta=2; neta<10; neta++) if( eta == GetETA(neta,angle) ) break;
//    if(eta != GetETA(neta,angle) )cout << "Attenzione!! pasticcio "<<endl;

    if( view%2 ){   //Y
        neta=2;
    }else{          //X
        if( fabs(angle) <= 10. ){
            neta = 2;
        }else if( fabs(angle) > 10. && fabs(angle) <= 15. ){
            neta = 3;
        }else{
            neta = 4;
        };
    };

    return GetCOG(neta);
        
};
//--------------------------------------
//
//
//--------------------------------------
/**
 * Evaluates the cluster position, in strips, relative to the strip with the maximum signal (TrkCluster::maxs), by applying the non-linear ETA-algorythm. 
 *  @param neta  Number of strips to evaluate ETA.
 *  @param angle Projected angle between particle track and detector plane.
 * Implemented values of neta are 2,3,4. If neta=0, ETA2, ETA3 and ETA4 are applied according to the angle.
 */
Float_t TrkCluster::GetETA(Int_t neta, float angle){
        
//    cout << "GetETA(neta,angle) "<< neta << " "<< angle;
//      LoadPfaParam();

    TrkParams::Load(4);
    if( !TrkParams::IsLoaded(4) ){
        cout << "int Trajectory::DoTrack2(float* al) --- ERROR --- p.f.a. parameters  not loaded"<<endl;
        return 0;
    }

    float ax = angle;
    int ic = 1;
    GetLevel1Struct();
    if(neta == 0)      return pfaeta_(&ic,&ax);
    else if(neta == 2) return pfaeta2_(&ic,&ax);
    else if(neta == 3) return pfaeta3_(&ic,&ax);
    else if(neta == 4) return pfaeta4_(&ic,&ax);
    else cout << "ETA"<<neta<<" not implemented\n";
    return 0;
    
};
 
//--------------------------------------
//
//
//--------------------------------------
TrkLevel1::TrkLevel1(){
        
//    cout << "TrkLevel1::TrkLevel1()"<<endl;
//    Cluster = new TClonesArray("TrkCluster");
    Cluster = 0;
    for(Int_t i=0; i<12 ; i++){
        good[i] = -1;
        for(Int_t j=0; j<24 ; j++){
            cn[j][i]=0;
            cnn[j][i]=0;
        };
    };
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel1::Set(){
    if(!Cluster)Cluster = new TClonesArray("TrkCluster");
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel1::Dump(){
    
    cout<<"DSP status: ";
    for(Int_t i=0; i<12 ; i++)cout<<good[i]<<" ";
    cout<<endl;
    cout<<"VA1 mask : "<<endl;
    for(Int_t i=0; i<12 ; i++){
        for(Int_t ii=0; ii<24 ; ii++){
            Int_t mask = cnn[ii][i];
            if(mask>0)mask=1;
            cout<<mask<<" ";
        }
        cout <<endl;
    }
    
    if(!Cluster)return;
    TClonesArray &t  = *Cluster;
    for(int i=0; i<this->nclstr(); i++)     ((TrkCluster *)t[i])->Dump();
    
}
//--------------------------------------
//
//
//--------------------------------------
/**
 * Fills a TrkLevel1 object with values from a struct cTrkLevel1 (to get data from F77 common).
 */
void TrkLevel1::SetFromLevel1Struct(cTrkLevel1 *l1, Bool_t full){

//    cout << "void TrkLevel1::SetFromLevel1Struct(cTrkLevel1 *l1, Bool_t full)"<<endl;
    
    Clear();
    //  ---------------
    //  *** CLUSTER ***
    //  ---------------
    TrkCluster* t_cl = new TrkCluster();
    if(!Cluster)Cluster = new TClonesArray("TrkCluster");
    TClonesArray &t = *Cluster;
    for(int i=0; i<l1->nclstr1; i++){

        t_cl->Clear();
//      if( full || (!full && l1->whichtrack[i]) ){
        
        t_cl->view     = l1->view[i];
        t_cl->maxs     = l1->maxs[i];

        if( full || (!full && l1->whichtrack[i]) ){
            t_cl->indmax   = l1->indmax[i] - l1->indstart[i];       
            Int_t from = l1->indstart[i] -1;
            Int_t to   = l1->totCLlength ;
            if(i != l1->nclstr1-1)to   = l1->indstart[i+1] -1 ;
            t_cl->CLlength = to - from ;
            
            t_cl->clsignal = new Float_t[t_cl->CLlength];
            t_cl->clsigma  = new Float_t[t_cl->CLlength];
            t_cl->cladc    = new Int_t[t_cl->CLlength];
            t_cl->clbad    = new Bool_t[t_cl->CLlength];
            Int_t index = 0;
            for(Int_t is = from; is < to; is++ ){
                t_cl->clsignal[index] = (Float_t) l1->clsignal[is];
                t_cl->clsigma[index]  = (Float_t) l1->clsigma[is];
                t_cl->cladc[index]    = (Int_t)   l1->cladc[is];
                t_cl->clbad[index]    = (Bool_t)  l1->clbad[is];
                index++;
            };
        }
        new(t[i]) TrkCluster(*t_cl); // <<< store cluster
    };
    
    delete t_cl;
    
    //  -------------------------
    //  ****general variables****
    //  -------------------------    
    for(Int_t i=0; i<12 ; i++){
        good[i] = l1->good[i];
        for(Int_t j=0; j<24 ; j++){
            cn[j][i]     = l1->cnev[j][i];
//          cnrms[j][i]  = l1->cnrmsev[j][i];
            cnn[j][i]    = l1->cnnev[j][i];
        };
    };
    
}
/**
 * Fills a struct cTrkLevel1 with values from a TrkLevel1 object (to put data into a F77 common).
 */

void TrkLevel1::GetLevel1Struct(cTrkLevel1* l1) {

//    cTrkLevel1* l1 = &level1event_ ;
    
    for(Int_t i=0; i<12 ; i++){
        l1->good[i] = good[i];
        for(Int_t j=0; j<24 ; j++){
            l1->cnev[j][i]    = cn[j][i]  ;
            l1->cnnev[j][i]   = cnn[j][i] ;
            l1->cnrmsev[j][i] = 0. ;
        };
        l1->fshower[i] = 0;
    };

    l1->nclstr1=0;
    l1->totCLlength=0;
    Int_t index=0;
    if(Cluster){
        Int_t i=0;
        for(Int_t ii=0;ii<Cluster->GetEntries();ii++){
            TrkCluster *clu = GetCluster(ii);
            // ----------------------------------------
            // attenzione!!
            // se il cluster non e` salvato (view = 0) 
            // DEVE essere escluso dal common F77
            // ----------------------------------------
            if(clu->view != 0 ){
                l1->view[i]     = clu->view;
                l1->ladder[i]   = clu->GetLadder();
                l1->maxs[i]     = clu->maxs;
                l1->mult[i]     = clu->GetMultiplicity();
                l1->dedx[i]     = clu->GetSignal();
                l1->indstart[i] = index+1; 
                l1->indmax[i]   = l1->indstart[i] + clu->indmax;
                l1->totCLlength += clu->CLlength;
                for(Int_t iw=0; iw < clu->CLlength; iw++){
                    l1->clsignal[index] = clu->clsignal[iw];
                    l1->clsigma[index]  = clu->clsigma[iw];
                    l1->cladc[index]    = clu->cladc[iw];
                    l1->clbad[index]    = clu->clbad[iw];
                    index++;
                }
                i++;
            }
        }
        l1->nclstr1 =  i;       
    }

//    return l1;
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel1::Clear(){
    
    for(Int_t i=0; i<12 ; i++){
        good[i] = -1;
        for(Int_t j=0; j<24 ; j++){
            cn[j][i]    = 0;
            cnn[j][i]   = 0;
        };
    };
//    if(Cluster)Cluster->Clear("C");
    if(Cluster)Cluster->Delete();
    
}
//--------------------------------------
//
//
//--------------------------------------
void TrkLevel1::Delete(){
    
//    Clear();
    if(Cluster)Cluster->Delete();
    if(Cluster)delete Cluster;
    
}
//--------------------------------------
//
//
//--------------------------------------
TrkCluster *TrkLevel1::GetCluster(int is){

    if(!Cluster)return 0;
    if(is >= nclstr()){
        cout << "** TrkLevel1::GetCluster(int) ** Cluster "<< is << " does not exits! " << endl; 
        cout << "( Stored clusters nclstr() = "<< this->nclstr()<<" )" << endl;
        return 0;
    }
    
    TClonesArray &t = *(Cluster);
    TrkCluster *cluster = (TrkCluster*)t[is];
    return cluster;
}
//--------------------------------------
//
//
//--------------------------------------
// /**
//  * Load Position-Finding-Algorythm parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadPfaParam(TString path){
        
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadPfaParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/eta_param-0/");
//     }

//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     cout <<"Loading p.f.a. parameters: "<<path<<endl;
//     return readetaparam_();
// }

// /**
//  * Load magnetic field parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadFieldParam(TString path){
        
// //    if( strcmp(path_.path,path.Data()) ){
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadFieldParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/field_param-0/");
//     }
//     cout <<"Loading magnetic field "<<path<<endl;
//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     return readb_();
// //    }      
// //    return 0;
// }
// /**
//  * Load magnetic field parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadChargeParam(TString path){
        
// //    if( strcmp(path_.path,path.Data()) ){
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadChargeParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/charge_param-1/");
//     }
//     cout <<"Loading charge-correlation parameters: "<<path<<endl;
//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     return readchargeparam_();
// //    }      
// //    return 0;
// }
// /**
//  * Load magnetic field parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadAlignmentParam(TString path){
        
// //    if( strcmp(path_.path,path.Data()) ){
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadAlignmentParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/align_param-0/");
//     }
//     cout <<"Loading alignment parameters: "<<path<<endl;
//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     return readalignparam_();
// //    }      
// //    return 0;
// }
// /**
//  * Load magnetic field parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadMipParam(TString path){
        
// //    if( strcmp(path_.path,path.Data()) ){
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadMipParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/mip_param-0/");
//     }
//     cout <<"Loading ADC-to-MIP conversion parameters: "<<path<<endl;
//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     return readmipparam_();
// //    }      
// //    return 0;
// }
// /**
//  * Load magnetic field parameters (call the F77 routine).
//  * 
//  */
// int TrkLevel1::LoadVKMaskParam(TString path){
        
// //    if( strcmp(path_.path,path.Data()) ){
//     if( path.IsNull() ){
//      path = gSystem->Getenv("PAM_CALIB");
//      if(path.IsNull()){
//          cout << " TrkLevel1::LoadVKMaskParam() ==> No PAMELA environment variables defined "<<endl;
//          return 0;
//      }
//      path.Append("/trk-param/mask_param-1/");
//     }
//     cout <<"Loading VK-mask parameters: "<<path<<endl;
//     strcpy(path_.path,path.Data());
//     path_.pathlen = path.Length();
//     path_.error   = 0;
//     return readvkmask_();
// //    }      
// //    return 0;
// }

// /**
//  * Load all (default) parameters. Environment variable must be defined.
//  * 
//  */
// int TrkLevel1::LoadParams(){

//     int result=0;
    
//     result = result * LoadFieldParam();
//     result = result * LoadPfaParam();
//     result = result * LoadChargeParam();
//     result = result * LoadAlignmentParam();
//     result = result * LoadMipParam();
//     result = result * LoadVKMaskParam();

//     return result;
// }


int TrkLevel1::GetPfaNbinsAngle(){
    TrkParams::Load(4);
    if( !TrkParams::IsLoaded(4) ){
        cout << "int TrkLevel1::GetPfaNbinsAngle() --- ERROR --- p.f.a. parameters  not loaded"<<endl;
        return 0;
    }
    return pfa_.nangbin;
};

int TrkLevel1::GetPfaNbinsETA(){
    TrkParams::Load(4);
    if( !TrkParams::IsLoaded(4) ){
        cout << "int TrkLevel1::GetPfaNbinsETA() --- ERROR --- p.f.a. parameters  not loaded"<<endl;
        return 0;
    }
    return pfa_.netaval;
};

/**
 * 
 * 
 */
float* TrkLevel1::GetPfaCoord(TString pfa, int nview, int nladder, int nang){

    TrkParams::Load(4);
    if( !TrkParams::IsLoaded(4) ){
        cout << "float* TrkLevel1::GetPfaCoord(TString pfa, int nview, int nladder, int nang) --- ERROR --- p.f.a. parameters  not loaded"<<endl;
        return 0;
    }
   
    int nbins = GetPfaNbinsETA();
    if(!nbins)return 0;

    float *fcorr = new float [nbins];

    if(!pfa.CompareTo("ETA2",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++){
            fcorr[ib] = pfa_.feta2[nang][nladder][nview][ib];
            cout << pfa_.eta2[nang][ib] << " - " <<  pfa_.feta2[nang][nladder][nview][ib]<<endl;;
        }
    }else if (!pfa.CompareTo("ETA3",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++)fcorr[ib] = pfa_.feta3[nang][nladder][nview][ib];
    }else if (!pfa.CompareTo("ETA4",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++)fcorr[ib] = pfa_.feta4[nang][nladder][nview][ib];
    }else{
        cout << pfa<<" pfa parameters not implemented "<<endl;
        return 0;
    }    

    return fcorr;

};

float* TrkLevel1::GetPfaAbs(TString pfa, int nang){
   
    TrkParams::Load(4);
    if( !TrkParams::IsLoaded(4) ){
        cout << "float* TrkLevel1::GetPfaAbs(TString pfa, int nang) --- ERROR --- p.f.a. parameters  not loaded"<<endl;
        return 0;
    }

    int nbins = GetPfaNbinsETA();
    if(!nbins)return 0;

    float *fcorr = new float [nbins];

    if(!pfa.CompareTo("ETA2",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++)fcorr[ib] = pfa_.eta2[nang][ib];
    }else if (!pfa.CompareTo("ETA3",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++)fcorr[ib] = pfa_.eta3[nang][ib];
    }else if (!pfa.CompareTo("ETA4",TString::kIgnoreCase)){
        for(int ib=0; ib<nbins; ib++)fcorr[ib] = pfa_.eta4[nang][ib];
    }else{
        cout << pfa<<" pfa parameters not implemented "<<endl;
        return 0;
    }    

    return fcorr;

};

/**
 * Method to call the F77 routine that performs level1->level2 processing.
 * The level2 output is stored in a common block, which can be retrieved 
 * by mean of the method TrkLevel2::SetFromLevel2Struct().
 * @param pfa Position finding algorythm used to reconstruct the track 
 * Implemented algorythms:
 * 0  ETA (default)
 * 1  ---
 * 2  ETA2
 * 3  ETA3
 * 4  ETA4
 * 10 COG
 * 11 COG1
 * 12 COG2
 * 13 COG3
 * 14 COG4
 * NB If the TrkLevel1 object is readout from a tree, and the 
 * TrkLevel1::ProcessEvent(int pfa) is used to reprocess the event, attention 
 * should be payed to the fact that single clusters (clusters not associated
 * with any track) might not be stored. Full reprocessing should be done from 
 * level0 data.
 */
int TrkLevel1::ProcessEvent(int pfa){

//    cout << "int TrkLevel1::ProcessEvent()" << endl;
    TrkParams::Load( );
    if( !TrkParams::IsLoaded() )return 0;

    GetLevel1Struct();

    analysisflight_(&pfa);

    return 1;

}


ClassImp(TrkLevel1);
ClassImp(TrkCluster);