/**
 * \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*);
    float pfaetal_(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-1 && il == 0)break;
	else if (ir == CLlength-1 && il != 0)il--;
	else if (ir != CLlength-1 && 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-1 && il == 0)break;
	else if (ir == CLlength-1 && il != 0)il--;
	else if (ir != CLlength-1 && 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()<<endl;
    cout << "COG                 "<< GetCOG(0)<<endl;;
    cout << "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 pitch units, 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 (effective) 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, bool landi){
	
//    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 && !landi) return pfaeta_(&ic,&ax);
    else if(neta == 0 && landi ) return pfaetal_(&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;
    
};

/**
 * Evaluates the cluster position, in pitch units, relative to the strip with 
 * the maximum signal (TrkCluster::maxs), by applying the PFA set as default (see TrkParams). 
 *  @param angle Projected (effective) angle between particle track and detector plane.
 */
Float_t TrkCluster::GetPositionPU(float angle){

    if( TrkParams::GetPFA() == 0  )return GetETA(0,angle,false);
    if( TrkParams::GetPFA() == 1  )return 0.;
    if( TrkParams::GetPFA() == 2  )return GetETA(2,angle,false);
    if( TrkParams::GetPFA() == 3  )return GetETA(3,angle,false);
    if( TrkParams::GetPFA() == 4  )return GetETA(4,angle,false);
    if( TrkParams::GetPFA() == 5  )return GetETA(0,angle,true);
    if( TrkParams::GetPFA() == 6  )return 0.;
    if( TrkParams::GetPFA() == 7  )return 0.;
    if( TrkParams::GetPFA() == 8  )return 0.;
    if( TrkParams::GetPFA() == 9  )return 0.;
    if( TrkParams::GetPFA() == 10 )return GetCOG(0);
    if( TrkParams::GetPFA() == 11 )return GetCOG(1);
    if( TrkParams::GetPFA() == 12 )return GetCOG(2);
    if( TrkParams::GetPFA() == 13 )return GetCOG(3);
    if( TrkParams::GetPFA() == 14 )return GetCOG(4);
    
    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;
	};
    };
    TrkParams::SetTrackingMode();
    TrkParams::SetPrecisionFactor();
    TrkParams::SetStepMin();
    TrkParams::SetPFA();
}
//--------------------------------------
//
//
//--------------------------------------
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();
    
}
/**
 * \brief Dump processing status
 */
void TrkLevel1::StatusDump(int view){
    cout << "DSP n. "<<view+1<<" (level1-)status: "<<hex<<showbase<<good[view]<<dec<<endl;    
};
/**
 * \brief Check event status
 *
 * Check the event status, according to a flag-mask given as input. 
 * Return true if the view passes the check.
 * 
 * @param view View number (0-11)
 * @param flagmask Mask of flags to check (eg. flagmask=0x111 no missing packet, 
 *  no crc error, no software alarm)
 * 
 * @see TrkLevel2 class definition to know how the status flag is defined
 *
 */
Bool_t TrkLevel1::StatusCheck(int view, int flagmask){

    if( view<0 || view >= 12)return false;
    return !(good[view]&flagmask);

};


//--------------------------------------
//
//
//--------------------------------------
/**
 * 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().
 * 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 starting 
 * from level0 data.
 */
//int TrkLevel1::ProcessEvent(int pfa){
int TrkLevel1::ProcessEvent(){

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

    GetLevel1Struct();

//    analysisflight_(&pfa);
//    TrkParams::SetPFA(pfa);
    analysisflight_();

    return 1;

}


ClassImp(TrkLevel1);
ClassImp(TrkCluster);