CWB_Plugin_O3aConditioning_Gating_QLveto.C

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// -------------------------------------------------------------------------
// WARNING, NOT EDIT : This is a multi plugin generated with cwb_mplugin !!!
// NOTE              : The main is listed on the bottom                      
// 
// INPUT PLUGINS     :                                                       
// 
// 1 - CWB_Plugin_O3aConditioning.C
// 2 - CWB_Plugin_Gating.C
// 3 - CWB_Plugin_QLveto.C
// 
// -------------------------------------------------------------------------
 
 
// -------------------------------------------------------------------------
// --> BEGIN CWB_USER PLUGIN CODE 1
// 
// CWB_Plugin_O3aConditioning.C
// -------------------------------------------------------------------------
 
namespace CWB_UserPluginNamespace_1 {
 
/*
# Copyright (C) 2019 Sergey Klimenko
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
 
 
}
#define XIFO 4
 
#pragma GCC system_header
 
#include "cwb.hh"
#include "config.hh"
#include "network.hh"
#include "gwavearray.hh"
#include "regression.hh"
#include "TString.h"
#include "TObjArray.h"
#include "TObjString.h"
#include "TRandom.h"
#include "Toolbox.hh"
 
namespace CWB_UserPluginNamespace_1 {
 
// ---------------------------------------------------------------------------------
// HOW TO SETUP PLUGIN IN CWB USER CONFIGURATION (EXAMPLE)
// ---------------------------------------------------------------------------------
 
/*
 
  TString opt_o3ac = "";                  // NOTE : add space at the end of each line
 
  opt_o3ac += "o3ac_ifo=enable ";         // enable 32hz of first ifo
  opt_o3ac += "o3ac_ifo=enable ";         // enable 32hz of seconf ifo
  opt_o3ac += "o3ac_ifo=disable ";        // disable 32hz of third ifo
 
  strcpy(parPlugin,opt_o3ac.Data());      // set plugin parameters
 
*/
 
// ---------------------------------------------------------------------------------
// USER O3aConditioning PLUGIN OPTIONS
// ---------------------------------------------------------------------------------
 
struct uoptions {
  bool   ifo[NIFO_MAX];
};
 
uoptions gOPT;                                  // global User Options
 
void ResetUserOptions(network* net, CWB::config* cfg);
void ReadUserOptions(TString options);
void PrintUserOptions(CWB::config* cfg);
 
void 
CWB_Plugin(TFile* jfile, CWB::config* cfg, network* net, WSeries<double>* x, TString ifo, int type)  {
//!32Hz_CONDITIONING
// Plugin to correct PSD variability in the 16-48Hz band  
 
  if(type==CWB_PLUGIN_NETWORK) {
    ResetUserOptions(net, cfg);                 // set default config options
    ReadUserOptions(cfg->parPlugin);            // user config options : read from parPlugin
    PrintUserOptions(cfg);                      // print config options
  }
 
  if(type==CWB_PLUGIN_IDATA_CONDITIONING) {
     // Marek put power 60 up-conversion regression here
  }
  
  if(type==CWB_PLUGIN_ODATA_CONDITIONING) {
     cout << endl;
     cout << "-----> CWB_Plugin_O3aDataConditioning.C ";
     cout << "type " << type << endl;
     cout << endl;
 
    if(TString(cfg->analysis)=="1G") {
      cout << "CWB_Plugin_O3aConditioning Error - this plugin works only with 2G" << endl;
      gSystem->Exit(1);
    }
    
    // get ifo id
    int id=-1;
    for(int n=0;n<cfg->nIFO;n++) {
       if(ifo==net->ifoName[n]) {id=n; break;}
    }
    if(id<0) {cout << "Plugin : Error - bad ifo id" << endl; gSystem->Exit(1);}
 
    if(!gOPT.ifo[id]) return;                     // skip 32hz correction if ifo is not enabled
 
    wavearray<double> u,v,w,p,q,s,c;
    WSeries<double> ws, WS;
    detector* pD = net->getifo(id);
    wavearray<double>* hot = pD->getHoT();
    int M = int(hot->rate()/64+0.1);              // number of WDM layers with 32 Hz bandwidth    
    WDM<double> wdm(M,M,6,10);
    double edge = net->Edge;
     
    ws.Forward(*hot,wdm);
    ws.getLayer(c, 1); 
    ws.getLayer(s,-1);
    u = c; w = c;
    for(int i=0; i<u.size(); i++) {
       u.data[i]=sqrt(c.data[i]*c.data[i]+s.data[i]*s.data[i]);
       c.data[i]/=u.data[i]>0. ? u.data[i] : 1;
       s.data[i]/=u.data[i]>0. ? u.data[i] : 1;
    }
    v = u;
    double R = v.rate();                           // WDM layer rate (should be 64 Hz)
    double T = v.stop()-v.start();                 // data duration      
    v.lprFilter(4.,0,0.,edge,1);                   // apply lpe filter to clean layer 
    double um = u.median(edge*R,(T-edge)*R);       // median of u - original
    double vm = v.median(edge*R,(T-edge)*R);       // median of v - clean
    double vr,aa;
    
    v += um-vm;
    for(int i=0; i<u.size(); i++) {
       if(v.data[i]<0.) v.data[i]=0.;              // corrected magnitude can not be negative
       vr = u.data[i]-v.data[i];                   // rms variability
       aa = u.data[i]<2*um?(u.data[i]-um)/um:1.;   // amplitude correction factor
       if(vr<0 || aa<0) aa = 0;                    // no correction
       vr *= vr<1 ? vr : 1;                        // quadratic correction for vr<1
       v.data[i] = u.data[i]-vr*aa;                // apply all corrections
       w.data[i] = v.data[i]/u.data[i];
    }
 
    int n = int(edge*R);
    int m = int(0.6*R);
 
    p=v; q=v; q=0.;
    for(int i=0; i<u.size(); i++) {
     p.data[i] = 1-w.data[i];
     if(p.data[i]>0.9) p.data[i]=0.;
    }
    for(int i=n+m; i<u.size()-n-m; i++) {
       for(int j=0; j<m; j++) {
     q.data[j] += p.data[i]*(p.data[i-j]+p.data[i+j]);
       }
    }
    q *= 1/q.data[0]; 
    
    pD->nVAR.resize(u.size());
    pD->nVAR = 1;
    
    for(int i=m+1; i<u.size()-m-1; i++) {
       double sp = 0;
       double sm = 0;
       for(int j=8; j<m; j++) {
     aa = p.data[i-j]; sm += aa*aa*q.data[j];
     aa = p.data[i+j]; sp += aa*aa*q.data[j];
       }
       aa = sp<sm ? sm : sp;                      
       aa = 1./(1.+aa);                             // multiplicity correction 
       v.data[i] *= aa;                             // data
       w.data[i] *= aa;                             // variability
       if(w.data[i]==0) w.data[i]=1.e-16;           // 23/08/19 fix nRMS = 0
       pD->nVAR.data[i] = w.data[i];                // noise rms correction
    }
 
    c*=v; ws.putLayer(c, 1); 
    s*=v; ws.putLayer(s,-1);
    WS = ws;
    ws.Inverse();   c = ws;
    WS.Inverse(-2); s = WS;
    *hot = c; *hot += s; *hot *= 0.5;              // whitened and corected time series
    pD->nVAR.rate(R);
    pD->nVAR.start(hot->start());
    pD->nVAR.setlow(16.);
    pD->nVAR.sethigh(48.);
 
    /*
    char ofname[128];
    sprintf(ofname,"%s_%d_variability.root",ifo.Data(),net->nRun);
    TFile *froot = new TFile(ofname, "RECREATE");
    gwavearray<double> gw=w; 
    gw.Write("32hz");
    froot->Close();
    */
  }
 
  return;
}
 
void ReadUserOptions(TString options) {
 
  int n_ifo=0;
  if(options.CompareTo("")!=0) {
    cout << options << endl;
    if(!options.Contains("--")) {  // parameters are used only by cwb_inet
 
      TObjArray* token = TString(options).Tokenize(TString(' '));
        for(int j=0;j<token->GetEntries();j++){
 
        TObjString* tok = (TObjString*)token->At(j);
        TString stok = tok->GetString();
 
        if(stok.Contains("o3ac_ifo=")) {
          TString o3ac_ifo=stok;
          o3ac_ifo.Remove(0,o3ac_ifo.Last('=')+1);
          if(o3ac_ifo=="enable")  gOPT.ifo[n_ifo]=true;
          if(o3ac_ifo=="disable") gOPT.ifo[n_ifo]=false;
          if(n_ifo<(NIFO_MAX-1)) n_ifo++;
        }
      }
    }
  }
}
 
void PrintUserOptions(CWB::config* cfg) {
 
    cout << "-----------------------------------------"     << endl;
    cout << "O3aConditioning config options           "     << endl;
    cout << "-----------------------------------------"     << endl << endl;
    for(int n=0;n<cfg->nIFO;n++) {
      if(gOPT.ifo[n]==true)  cout << "O3aC_IFO  " << cfg->ifo[n] << "   enabled"  << endl;
      if(gOPT.ifo[n]==false) cout << "O3aC_IFO  " << cfg->ifo[n] << "   disabled" << endl;
    }
 
    cout << endl;
}
 
void ResetUserOptions(network* net, CWB::config* cfg) {
 
    for(int n=0;n<cfg->nIFO;n++) {
       gOPT.ifo[n]=false;
       if(TString(net->ifoName[n])=="L1") gOPT.ifo[n]=true;
       if(TString(net->ifoName[n])=="H1") gOPT.ifo[n]=true;
    }
}
 
}
 
// -------------------------------------------------------------------------
// --> END CWB_USER PLUGIN CODE 1
// 
// CWB_Plugin_O3aConditioning.C
// -------------------------------------------------------------------------
 
 
// -------------------------------------------------------------------------
// --> BEGIN CWB_USER PLUGIN CODE 2
// 
// CWB_Plugin_Gating.C
// -------------------------------------------------------------------------
 
namespace CWB_UserPluginNamespace_2 {
 
/*
# Copyright (C) 2019 Gabriele Vedovato
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
 
 
}
#define XIFO 4
 
#pragma GCC system_header
 
#include "cwb.hh"
#include "cwb2G.hh"
#include "config.hh"
#include "network.hh"
#include "wavearray.hh"
#include "TString.h"
#include "TObjArray.h"
#include "TObjString.h"
#include "TRandom.h"
#include "Toolbox.hh"
 
namespace CWB_UserPluginNamespace_2 {
 
//!DATA_CONDITIONING
 
// This plugin implements the time gating in the pixel's selection stage.
// Gating is a veto of the pixels belonging to a time interval.
// This plugin is used to exclude from the analysis the pixels 
// in a time interval where there is a huge glitch.
// Huge glitches are harmful because they affect the correct estimation 
// of the selection threshold and could mask the nearby events at lower SNR. 
// Warning : events with high SNR can be rejected by this procedure (see SETHR)
 
}
#define SETHR  1000000  // Is the threshold which define the time slices to be cutted
namespace CWB_UserPluginNamespace_2 {
 
                        // Warning : this value depends on the frequency interval [fHigh:fLow] 
 
}
#define TWIN    0.5     // Is the window (sec) used to integrate the energies in time
namespace CWB_UserPluginNamespace_2 {
 
                        // TWIN must be a multiple of the greatest time resolution used in the analysis 
 
}
#define TEDG   1.5   // Is the time window (sec) to be cutted when the time integrated energy is > SETHR
 
namespace CWB_UserPluginNamespace_2 {
 
void 
CWB_Plugin(TFile* jfile, CWB::config* cfg, network* net, WSeries<double>* x, TString ifo, int type)  {
 
// this plugin is called in cwb2G.cc to the whitened data at the beginning of the COHERENT stage
 
//  cout << endl;
//  cout << "-----> CWB_Plugin_Gating.C" << endl;
//  cout << "ifo " << ifo.Data() << endl;
//  cout << "type " << type << endl;
//  cout << endl;
 
  if(type==CWB_PLUGIN_CONFIG) {
    cout << endl;
    cout << "-----> CWB_Plugin_Gating.C" << endl;
    cout << endl;
  }
 
  if(type==CWB_PLUGIN_ICOHERENCE) {
 
    // get data range
    cwb2G* gCWB2G; IMPORT(cwb2G*,gCWB2G)
    double Tb = gCWB2G->GetSegBegin()-cfg->segEdge;
    double Te = gCWB2G->GetSegEnd()+cfg->segEdge;
 
 
    //cout << "CWB_Plugin_Gating.C - " << "Tb : " << int(Tb) << " Te : " << int(Te) << endl; 
 
    int nIFO = (gCWB2G->IsSingleDetector()) ? 1 : net->ifoListSize();   // number of detectors
    int    size = net->getifo(0)->getHoT()->size();            // number of time bins
    double rate = net->getifo(0)->getHoT()->rate();            // rate
    double dt = 1./rate;                           // time bin resolution (sec)
 
    //cout << "-----> CWB_Plugin_Gating.C - size : " << size << "\t rate : " << rate << "\t dt : " << dt << " length(sec) " << size*dt << endl;                            
 
    wavearray<double>* hot[NIFO_MAX];  
    for(int n=0; n<nIFO; n++) hot[n] = net->getifo(n)->getHoT();  // whitened data
 
    // A new array 'SE' is obtained from the arrays 'hot whitened data'
    // It contains the time integrated energies over the time window TWIN
    // A time sample is marked as to be vetoed when the energy SE>SETHR
    // When a time sample 'i' is vetoed also the nearby M time size are vetoed [i-M:i+M]
    // where M is the number of samples contained in TEDG sec 
 
    int X = int(cfg->segEdge/dt+0.5);  // samples in segEdge : this the is scratch time
    int M = int(TEDG/dt)+1;      // samples in TEDG sec
    int N = int(TWIN/dt);     // number of time samples in TWIN
    if(N<1) N=1;
    vector<waveSegment> glist;      // gating segment list
    wavearray<double> SE(size);
    wavearray<int> sVeto(size);     // array which contains samples to be vetoed
 
    int gsize=0;
    for(int n=0; n<nIFO; n++) {     // loop over detectors
      SE=0;
//      for(int i=N-1;i<size;i++) for(int j=0;j<N;j++) SE[i]+=pow(hot[n]->data[i-j],2);
 
      for(int j=0;j<N;j++) SE[N-1]+=pow(hot[n]->data[N-1-j],2);
      for(int i=N;i<size;i++) {
        SE[i]  = SE[i-1];
        SE[i] -= pow(hot[n]->data[i-N],2);
        SE[i] += pow(hot[n]->data[i],2);
      }
 
      sVeto=0;
      for(int i=0;i<size;i++) {
        if(SE[i]>SETHR) {     
          int is = i-M>X ? i-M : X; 
          int es = i+M<(size-X) ? i+M : size-X; 
          for(int k=is;k<es;k++) sVeto[k]=1;
        }
      }
      // array derivative -> gating_start=1, gating_stop=-1
      sVeto[0]=0;sVeto[size-1]=0;
      for(int i=0;i<size-1;i++) sVeto[i]=sVeto[i+1]-sVeto[i];
 
      // build the gating segment list
      waveSegment gseg;             // gating segment
      gseg.index = 0;
      for(int i=0;i<size;i++) {
        if(sVeto[i]== 1) gseg.start = Tb+int(i*dt);   // round to nearest lower integer
        if(sVeto[i]==-1) {
          gseg.stop  = Tb+int(i*dt+0.5);     // round to nearest higher integer
          gseg.index++;
          glist.push_back(gseg);
        }
      } 
 
      if(glist.size()>0) {
        cout << endl;
        cout.precision(10);
        for(int j=gsize;j<glist.size();j++) {
          cout << j << " -----> CWB_Plugin_Gating.C - " << net->getifo(n)->Name << " gating time : start="
               << glist[j].start << " stop=" << glist[j].stop << " len=" << glist[j].stop-glist[j].start << endl;
        }
        cout << endl;
        gsize=glist.size();
      }
    }                                                                                               
 
    double gating_time = 0;                  // total gating time
    if(glist.size()) { 
      glist = CWB::Toolbox::unionSegments(glist);           // Join & sort a waveSegment list
      gating_time = CWB::Toolbox::getTimeSegList(glist);    // get total gating time
      glist = CWB::Toolbox::invertSegments(glist);          // Invert waveSegment list
      net->segList = CWB::Toolbox::mergeSegLists(glist,net->segList);   // merge gating veto list to the net->segList
    }
 
    cout<< "-----> CWB_Plugin_Gating.C - gating time : " << gating_time << endl << endl; 
 
    // add infos to history
    char info[256];
    sprintf(info,"-GT:%g",gating_time);
    gCWB2G->PrintAnalysisInfo(CWB_STAGE_COHERENCE,"cwb2G::Coherence",info,false);
  }
 
  return;
}
}
 
// -------------------------------------------------------------------------
// --> END CWB_USER PLUGIN CODE 2
// 
// CWB_Plugin_Gating.C
// -------------------------------------------------------------------------
 
 
// -------------------------------------------------------------------------
// --> BEGIN CWB_USER PLUGIN CODE 3
// 
// CWB_Plugin_QLveto.C
// -------------------------------------------------------------------------
 
namespace CWB_UserPluginNamespace_3 {
 
/*
# Copyright (C) 2019 Gabriele Vedovato
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
 
 
}
#define XIFO 4
 
#pragma GCC system_header
 
#include "cwb.hh"
#include "config.hh"
#include "network.hh"
#include "wavearray.hh"
#include "TString.h"
#include "TObjArray.h"
#include "TObjString.h"
#include "TRandom.h"
#include "TComplex.h"
#include "TMath.h"
#include "mdc.hh"
#include "watplot.hh"
#include "gwavearray.hh"
#include <vector>
 
namespace CWB_UserPluginNamespace_3 {
 
//#define PLOT_LIKELIHOOD
//#define PLOT_WHITENED_WAVEFORMS
 
}
#define NTHR 1       
#define ATHR 7.58859       
 
namespace CWB_UserPluginNamespace_3 {
 
double GetQfactor(wavearray<double>* wf, double frequency, bool fixAmax);
double GetPeakFrequency(wavearray<double>* wf);
void   GetGaussFitPars(wavearray<double>* wf, double& mean, double& sigma, bool doenv=true);
void   GetGaussFitPars2(wavearray<double>* wf, double& mean, double& sigma, bool fixAmax);
 
void  GetQveto(wavearray<double>* wf, float &Qveto, float &Qfactor);
void  GetLveto(netcluster* pwc, int cid, int nifo, float* Lveto);
void  PlotWaveform(TString ifo, wavearray<double>* wfREC,
                   CWB::config* cfg, bool fft=false, bool strain=false);
void ClearWaveforms(detector* ifo);
 
std::vector<netpixel> DoPCA(network* NET, CWB::config* cfg, int lag, int id);
void ResetPCA(network* NET, CWB::config* cfg, netcluster* pwc, std::vector<netpixel>* vPIX, int ID);
 
 
void 
CWB_Plugin(TFile* jfile, CWB::config* cfg, network* NET, WSeries<double>* x, TString ifo, int type)  {
//!MISCELLANEA
// Extract whitened reconstructed waveforms, and compute the Qveto, Lveto parameters
 
//  cout << endl;
//  cout << "-----> CWB_Plugin_QLveto.C" << endl;
//  cout << "ifo " << ifo.Data() << endl;
//  cout << "type " << type << endl;
//  cout << endl;
 
  float Qveto[4];             // Qveto
  float Lveto[3];                                  // Lveto
 
  if(type==CWB_PLUGIN_CONFIG) {  
    cout << endl;
    cout << "-----> CWB_Plugin_QLveto.C" << endl;
    cout << endl;
    cfg->outPlugin=true;            // disable built-in output root file
  }
 
  if(type==CWB_PLUGIN_ILIKELIHOOD) {
    NET->wfsave=true;                                   // enable waveform save
 
    // search output root file in the system list
    TFile* froot = NULL;                         
    TList *files = (TList*)gROOT->GetListOfFiles();
    TString outDump="";
    netevent* EVT;
    int nIFO = NET->ifoListSize();        // number of detectors
    if (files) {                                   
      TIter next(files);                           
      TSystemFile *file;                           
      TString fname;                               
      bool check=false;                            
      while ((file=(TSystemFile*)next())) {        
         fname = file->GetName();                  
         // set output root file as the current file
         if(fname.Contains("wave_")) {
           froot=(TFile*)file;froot->cd();
           outDump=fname;
           outDump.ReplaceAll(".root.tmp",".txt");
           //cout << "output file name : " << fname << endl;
         }
      }                                                               
      if(!froot) {                                                    
        cout << "CWB_Plugin_QLveto.C : Error - output root file not found" << endl;
        gSystem->Exit(1);                                                                             
      }                                                                                      
    } else {                                                                                 
      cout << "CWB_Plugin_QLveto.C : Error - output root file not found" << endl;  
      gSystem->Exit(1);                                                                               
    }                                                                                        
 
    TTree* net_tree = (TTree *) froot->Get("waveburst");
    if(net_tree==NULL) {
      EVT = new netevent(nIFO);
      net_tree = EVT->setTree();
      net_tree->Branch("Qveto",Qveto,TString::Format("Qveto[%i]/F",4));
      net_tree->Branch("Lveto",Lveto,TString::Format("Lveto[%i]/F",3));
    } else {
      TBranch* branch;
      bool qveto_exists=false;
      bool lveto_exists=false;
      TIter next(net_tree->GetListOfBranches());
      while ((branch=(TBranch*)next())) {
        if(TString("Qveto").CompareTo(branch->GetName())==0) qveto_exists=true;
        if(TString("Lveto").CompareTo(branch->GetName())==0) lveto_exists=true;
      }
      next.Reset();
      if(!qveto_exists) net_tree->Branch("Qveto",Qveto,TString::Format("Qveto[%i]/F",4));
      if(!lveto_exists) net_tree->Branch("Lveto",Lveto,TString::Format("Lveto[%i]/F",3));
    }
  }
 
  if(type==CWB_PLUGIN_OLIKELIHOOD) {
 
    if(TString(cfg->analysis)!="2G") {
      cout << "CWB_Plugin_QLveto.C -> "
           << "CWB_PLUGIN_OLIKELIHOOD implemented only for 2G" << endl;
      gSystem->Exit(1);
    }
 
    // import ifactor
    int gIFACTOR=-1; IMPORT(int,gIFACTOR)
    //cout << "-----> CWB_Plugin_QLveto.C -> " 
    //     << " gIFACTOR : " << gIFACTOR << endl;
 
    // import slagShift
    float* gSLAGSHIFT=NULL; IMPORT(float*,gSLAGSHIFT)
 
    int nIFO = NET->ifoListSize();        // number of detectors
    int K = NET->nLag;              // number of time lag          
    netevent* EVT;
    wavearray<double> id;
    //double factor = cfg->simulation==3||cfg->simulation==4 ? -gIFACTOR : cfg->factors[gIFACTOR];                 
    double factor = cfg->factors[gIFACTOR];                 
    int rate = 0;             // select all resolutions
 
    // search output root file in the system list
    TFile* froot = NULL;                         
    TList *files = (TList*)gROOT->GetListOfFiles();
    TString outDump="";
    if (files) {                                   
      TIter next(files);                           
      TSystemFile *file;                           
      TString fname;                               
      bool check=false;                            
      while ((file=(TSystemFile*)next())) {        
         fname = file->GetName();                  
         // set output root file as the current file
         if(fname.Contains("wave_")) {
           froot=(TFile*)file;froot->cd();
           outDump=fname;
           outDump.ReplaceAll(".root.tmp",".txt");
           //cout << "output file name : " << fname << endl;
         }
      }                                                               
      if(!froot) {                                                    
        cout << "CWB_Plugin_QLveto.C : Error - output root file not found" << endl;
        gSystem->Exit(1);                                                                             
      }                                                                                      
    } else {                                                                                 
      cout << "CWB_Plugin_QLveto.C : Error - output root file not found" << endl;  
      gSystem->Exit(1);                                                                               
    }                                                                                        
 
    TTree* net_tree = (TTree *) froot->Get("waveburst");
    if(net_tree!=NULL) {
      EVT = new netevent(net_tree,nIFO);
      net_tree->SetBranchAddress("Qveto",Qveto);
      net_tree->SetBranchAddress("Lveto",Lveto);
    } else {
      EVT = new netevent(nIFO);
      net_tree = EVT->setTree();
      net_tree->Branch("Qveto",Qveto,TString::Format("Qveto[%i]/F",4));
      net_tree->Branch("Lveto",Lveto,TString::Format("Lveto[%i]/F",3));
    }
    EVT->setSLags(gSLAGSHIFT);               // set slags into netevent
 
    for(int k=0; k<K; k++) {              // loop over the lags
 
      id = NET->getwc(k)->get(const_cast<char*>("ID"), 0, 'L', rate);
 
      for(int j=0; j<(int)id.size(); j++) {        // loop over cluster index
 
        int ID = size_t(id.data[j]+0.5);
 
        if(NET->getwc(k)->sCuts[ID-1]!=-1) continue;    // skip rejected/processed clusters
 
        double ofactor=0;
        if(cfg->simulation==4)      ofactor=-factor;
        else if(cfg->simulation==3) ofactor=-gIFACTOR;
        else                        ofactor=factor;
 
        EVT->output2G(NULL,NET,ID,k,ofactor);      // get reconstructed parameters
 
        wavearray<double>** pwfREC = new wavearray<double>*[nIFO];
        detector* pd = NET->getifo(0);
        int idSize = pd->RWFID.size();
 
        int wfIndex=-1;
        for (int mm=0; mm<idSize; mm++) if (pd->RWFID[mm]==ID) wfIndex=mm;
        if(wfIndex==-1) continue;
 
        netcluster* pwc = NET->getwc(k);
        cout << endl << "----------------------------------------------------------------" << endl;
 
        // extract whitened reconstructed waveforms
        Qveto[0]=Qveto[1]=1.e20;
        double Qfactor1[NIFO_MAX];
        double Qfactor2[NIFO_MAX];
        for(int n=0; n<nIFO; n++) {
 
           pd = NET->getifo(n);
 
           pwfREC[n] = pd->RWFP[wfIndex];
           wavearray<double>* wfREC = pwfREC[n];   // array of reconstructed waveforms
 
#ifdef PLOT_WHITENED_WAVEFORMS
           //PlotWaveform(NET->ifoName[n], wfREC, cfg, false, false);
           PlotWaveform(NET->ifoName[n], wfREC, cfg, true, false);
#endif
           // store in Qveto[0/1] the minimum velue of Qveto/Qfactor between the reconstructed,whitened waveforms in all ifos
           float qveto,qfactor;
 
      // reconstructed whitened waveform
           NET->getMRAwave(ID,k,'S',0,true);
           GetQveto(&(pd->waveForm), qveto, qfactor);
           if(qveto<Qveto[0]) Qveto[0]=qveto; 
           if(qfactor<Qveto[1]) Qveto[1]=qfactor; 
 
      Qfactor1[n] = qfactor;
           double fpeak = GetPeakFrequency(&(pd->waveForm));
           Qfactor2[n] = GetQfactor(&(pd->waveForm), fpeak, true);      // get qfactor with amax fixed;
           cout << endl;
           cout << "Qfactor1/2 : " << pd->Name << " frequency[0] = " << EVT->frequency[0] << " fpeak = " << fpeak 
      << " -> " << Qfactor1[n] << " / " << Qfactor2[n] << endl;
           cout << endl;
 
      // whitened waveform
           NET->getMRAwave(ID,k,'W',0,true);
           GetQveto(&(pd->waveBand), qveto, qfactor);
           if(qveto<Qveto[0]) Qveto[0]=qveto; 
           if(qfactor<Qveto[1]) Qveto[1]=qfactor; 
 
           cout << "Qveto : " << pd->Name << " Qveto[0] = " << Qveto[0] 
                                          << " Qveto[1] = " << Qveto[1] << endl;
 
           if(!cfg->simulation) ClearWaveforms(pd);   // release waveform memory
        }
        delete [] pwfREC;
 
        // compute Qveto[2] using the weighted of Qfactor1 values
        Qveto[2]=0.;
        for(int n=0; n<nIFO; n++) Qveto[2]+=EVT->sSNR[n]*Qfactor1[n];
        Qveto[2]/=EVT->likelihood;
        // compute Qveto[3] using the weighted of Qfactor2 values
        Qveto[3]=0.;
        for(int n=0; n<nIFO; n++) Qveto[3]+=EVT->sSNR[n]*Qfactor2[n];
        Qveto[3]/=EVT->likelihood;
        cout << "Qveto   :" << " Qveto[2] = " << Qveto[2]
                            << " Qveto[3] = " << Qveto[3] << endl;
 
        std::vector<netpixel> vPIX;
        if(cfg->pattern>0) vPIX = DoPCA(NET, cfg, k, ID);            // do PCA analysis
        GetLveto(pwc, ID, nIFO, Lveto);
        if(cfg->pattern>0) ResetPCA(NET, cfg, pwc, &vPIX, ID);      // restore WP pwc
 
   cout << endl;
        cout << "Lveto : " << "fmean : " << Lveto[0] << " frms : " << Lveto[1] 
             << " Energy Ratio : " << Lveto[2] << endl << endl;
        cout << "----------------------------------------------------------------" << endl;
 
        std::vector<int> sCuts = NET->getwc(k)->sCuts;  // save cCuts
        // set sCuts=1 to the events which must be not copied with cps to pwc
        for(int i=0; i<(int)sCuts.size(); i++) if(i!=ID-1) NET->getwc(k)->sCuts[i]=1;
 
        // ID can not be used to get the event, to get event use ID=1 (ex: for watplot)
        NET->getwc(k)->sCuts = sCuts;                   // restore cCuts
 
        if(cfg->dump) EVT->dopen(outDump.Data(),const_cast<char*>("a"),false);
        EVT->output2G(net_tree,NET,ID,k,ofactor);       // get reconstructed parameters
        if(cfg->dump) {                                 
          // add Qveto to dump file
          fprintf(EVT->fP,"Qveto:      ");
          for(int i=0; i<2*nIFO; i++) fprintf(EVT->fP,"%f ",Qveto[i]);
          fprintf(EVT->fP,"\n");
          // add Lveto to dump file
          fprintf(EVT->fP,"Lveto:      ");
          for(int i=0; i<3; i++) fprintf(EVT->fP,"%f ",Lveto[i]);
          fprintf(EVT->fP,"\n");
        }
        if(cfg->dump) EVT->dclose();
        if(!cfg->cedDump) NET->getwc(k)->sCuts[ID-1]=1; // mark as processed
      }
    }
 
    jfile->cd();
    if(EVT) delete EVT;
  }
  return;
}
 
void
GetQveto(wavearray<double>* wf, float &Qveto, float &Qfactor) { 
 
  wavearray<double> x = *wf;; 
 
  // resample data by a factor 4
  int xsize=x.size();
  x.FFTW(1);
  x.resize(4*x.size());
  x.rate(4*x.rate());
  for(int j=xsize;j<x.size();j++) x[j]=0;
  x.FFTW(-1);
 
  // extract max/min values and save the absolute values in the array 'a'
  wavearray<double> a(x.size());
  int size=0;
  double dt = 1./x.rate();
  double prev=x[0];
  double xmax=0;
  for (int i=1;i<x.size();i++) {
    if(fabs(x[i])>xmax) xmax=fabs(x[i]);
    if(prev*x[i]<0) {
      a[size]=xmax;
      size++;
      xmax=0;
    }
    prev=x[i];
  }
 
  // find max value/index ans save on  amax/imax  
  int imax=-1;
  double amax=0;
  for (int i=1;i<size;i++) {
    if(a[i]>amax) {amax=a[i];imax=i;}
  }
 
/*
  cout << endl;
  cout << "a[imax-2] " << a[imax-2] << endl;
  cout << "a[imax-1] " << a[imax-1] << endl;
  cout << "a[imax]   " << a[imax] << endl;
  cout << "a[imax+1] " << a[imax+1] << endl;
  cout << "a[imax+2] " << a[imax+2] << endl;
  cout << endl;
*/
 
  // compute Qveto 
  double ein=0;   // energy of max values inside NTHR
  double eout=0;  // energy of max values outside NTHR
  for (int i=0;i<size;i++) {
    if(abs(imax-i)<=NTHR) {
      ein+=a[i]*a[i];
      //cout << i << " ein " << a[i] << " " << amax << endl;
    } else {
      if(a[i]>amax/ATHR) eout+=a[i]*a[i];
      //if(a[i]>amax/ATHR) cout << i << " eout " << a[i] << " " << amax << endl;
    }
  }
  Qveto = ein>0 ? eout/ein : 0.;
  //cout << "Qveto : " << Qveto << " ein : " << ein << " eout : " << eout << endl;
 
  // compute Qfactor 
  float R = (a[imax-1]+a[imax+1])/a[imax]/2.;
  Qfactor = sqrt(-pow(TMath::Pi(),2)/log(R)/2.);
  //cout << "Qfactor : " << Qfactor << endl;
 
  return;
}
 
void 
GetLveto(netcluster* pwc, int cid, int nifo, float* Lveto) {
//          
// input                                                                                      
//        pwc    : pointer to netcluster object                                                          
//        cid    : cluster id                                                                            
//        nifo   : number of detectors      
// output                                                             
//     Lveto[0]  : line frequency
//     Lveto[1]  : line bandwitdh
//     Lveto[2]  : line enery ratio (line_energy / total_energy)
//   
                                                                                             
  Lveto[0] = Lveto[1] = Lveto[2] = 0;
 
  std::vector<int>* vint = &(pwc->cList[cid-1]);        // pixel list
  int V = vint->size();                                 // cluster size
  if(!V) return;                                                       
 
  // ------------------------------------------------------------------
  // Find max pixel parameters                                          
  // ------------------------------------------------------------------
 
  double likeMax=0;  // maximum pixel's energy 
  double likeTot=0;  // total cluster energy
  double freqMax; // frequency of the pixel with max energy
  double dfreqMax;   // df of the pixel with max energy
  for(int n=0; n<V; n++) {
    netpixel* pix = pwc->getPixel(cid,n);
    if(pix->layers%2==0) {        
      cout << "CWB_Plugin_QLveto.C - Error : is enabled only for WDM (2G)" << endl;
      exit(1);                                                                                     
    }                                                                                              
    if(!pix->core) continue;                  // select only the principal components pixels
 
    double likePix=0;                                                                       
    for(int m=0; m<nifo; m++) {                                                          
      likePix += pow(pix->getdata('S',m),2);  // like whitened reconstructed signal 00
      likePix += pow(pix->getdata('P',m),2);  // like whitened reconstructed signal 90
    }                                                                                     
 
    double freq = pix->frequency*pix->rate/2.; 
    double df = pix->rate/2.;
 
    likeTot+=likePix;
    if(likePix>likeMax) {likeMax=likePix;freqMax=freq;dfreqMax=df;}
  }
  //cout << "likeMax : " << likeMax << " likeTot : " << likeTot 
  //     << " freqMax : " << freqMax << " dfreqMax : " << dfreqMax << endl;
 
  // ------------------------------------------------------------------
  // Compute Lveto parameters                                          
  // ------------------------------------------------------------------
 
  double fmean=0; // line mean frequency
  double frms=0;  // line bandwidth 
  double likeLin=0;  // line energy
  for(int n=0; n<V; n++) {
    netpixel* pix = pwc->getPixel(cid,n);
    if(!pix->core) continue;                  // select only the principal components pixels
 
    double likePix=0;                                                                       
    for(int m=0; m<nifo; m++) {                                                          
      likePix += pow(pix->getdata('S',m),2);  // like whitened reconstructed signal 00
      likePix += pow(pix->getdata('P',m),2);  // like whitened reconstructed signal 90
    }                                                                                     
 
    // the estimation is done for all pixels 
    // with freq in the range [freqMax-dfreqMax, freqMax+dfreqMax]
    double freq = pix->frequency*pix->rate/2.; 
    if(fabs(freq-freqMax)<=dfreqMax) {
      likeLin += likePix;
      fmean   += likePix*freq;
      frms    += likePix*freq*freq;
    }
  }                                                                   
   
  fmean = fmean/likeLin;
  frms  = frms/likeLin-fmean*fmean;
  frms  = frms>0 ? sqrt(frms) : 0.;
 
  if(frms<dfreqMax/2.) frms=dfreqMax/2.;
 
  // ------------------------------------------------------------------
  // Save Lveto parameters                                          
  // ------------------------------------------------------------------
 
  Lveto[0] = fmean;              // line mean frequency     
  Lveto[1] = frms;               // line bandwidth   
  Lveto[2] = likeTot>0. ? likeLin/likeTot : 0.; // energy ratio energy inside_line/total
 
  // ------------------------------------------------------------------
  // plot time-frequency energy                                             
  // ------------------------------------------------------------------
 
#if defined PLOT_LIKELIHOOD 
  watplot WTS(const_cast<char*>("wts"));
  WTS.plot(pwc, cid, nifo, 'L', 0, const_cast<char*>("COLZ"));
  WTS.canvas->Print("l_tfmap_scalogram.png");
#endif
 
  return;
}
 
void 
PlotWaveform(TString ifo, wavearray<double>* wfREC, 
             CWB::config* cfg, bool fft, bool strain) {
 
  watplot PTS(const_cast<char*>("ptswrc"),200,20,800,500);
 
  //cout << "Print " << fname << endl;
  double tmin = wfREC->start();
  wfREC->start(wfREC->start()-tmin);
  if(fft) {
    PTS.plot(wfREC, const_cast<char*>("ALP"), 1, 0, 0, true, cfg->fLow, cfg->fHigh);
  } else {
    PTS.plot(wfREC, const_cast<char*>("ALP"), 1, 0, 0);
  }
  PTS.graph[0]->SetLineWidth(1);
  wfREC->start(wfREC->start()+tmin);
 
  char label[64]="";
  if(fft) sprintf(label,"%s","fft");
  else    sprintf(label,"%s","time");
  if(strain) sprintf(label,"%s_%s",label,"strain");
  else       sprintf(label,"%s_%s",label,"white"); 
 
  char fname[1024];
  //sprintf(fname, "%s_wf_%s_rec_gps_%d.root",ifo.Data(),label,int(tmin));
  sprintf(fname, "%s_wf_%s_rec_gps_%d.png",ifo.Data(),label,int(tmin));
  PTS.canvas->Print(fname); 
  cout << "write : " << fname << endl;
  //PTS.canvas->Write(REPLACE(fname,dirCED,gtype));
}
 
void 
ClearWaveforms(detector* ifo) {
 
  int n;
 
  n = ifo->IWFP.size();
  for (int i=0;i<n;i++) {
    wavearray<double>* wf = (wavearray<double>*)ifo->IWFP[i];
    delete wf;
  }
  ifo->IWFP.clear();
  ifo->IWFID.clear();
 
  n = ifo->RWFP.size();
  for (int i=0;i<n;i++) {
    wavearray<double>* wf = (wavearray<double>*)ifo->RWFP[i];
    delete wf;
  }
  ifo->RWFP.clear();
  ifo->RWFID.clear();
}
 
std::vector<netpixel> DoPCA(network* NET, CWB::config* cfg, int lag, int id) {
 
  double ee;
 
  size_t nIFO = NET->ifoList.size();
 
  float  En = 2*NET->acor*NET->acor*nIFO;     // network energy threshold in the sky loop
 
  int size = NET->a_00.size();
  int f_ = NIFO/4;
 
  netpixel* pix;
  netcluster* pwc = NET->getwc(lag);
  std::vector<netpixel> vPIX;
 
  std::vector<int> pI = NET->wdmMRA.getXTalk(pwc, id, false);   // buffer for pixel IDs
  int V = pI.size();
  if(V>cfg->BATCH) return vPIX;                                 // attach TD amp to pixels < V
 
  wavearray<float>  xi(size); xi=0;           // PC 00 array
  wavearray<float>  XI(size); XI=0;           // PC 90 array
 
  __m128* _xi  = (__m128*) xi.data;           // set pointer to PC 00 array
  __m128* _XI  = (__m128*) XI.data;           // set pointer to PC 90 array
 
  __m128* _aa  = (__m128*) NET->a_00.data;    // set pointer to 00 array
  __m128* _AA  = (__m128*) NET->a_90.data;    // set pointer to 90 array
 
  int nPC = 0;
  for(int j=0; j<V; j++) {
    int jf = j*f_;                            // source sse pointer increment
    _sse_zero_ps(_xi+jf);                     // zero MRA amplitudes
    _sse_zero_ps(_XI+jf);                     // zero MRA amplitudes
    ee = _sse_abs_ps(_aa+jf,_AA+jf);          // total pixel energy / quadrature
    if(ee>En) nPC++; else ee=0.;              // count core pixels
    NET->rNRG.data[j] = ee;                   // init residual energy array
    NET->pNRG.data[j] = NET->rNRG.data[j];    // init residual energy array
  }
 
  nPC = NET->_sse_mra_ps(xi.data,XI.data,En,nPC);  // get principal components
 
  for(int j=0; j<V; j++) {                    // loop over principal components
     pix = pwc->getPixel(id,pI[j]);
     vPIX.push_back(*pix);          // save original pixels
     pix->core = false;
     ee = NET->pNRG.data[j];                  // total pixel energy
     if(ee<En) continue;
     pix->core = true;
     for(int i=0; i<nIFO; i++) {
        pix->setdata(double(xi.data[j*NIFO+i]),'S',i);    // store 00 whitened response PC
        pix->setdata(double(XI.data[j*NIFO+i]),'P',i);    // store 90 whitened response PC
     }
  }
 
  return vPIX;
}
 
void ResetPCA(network* NET, CWB::config* cfg, netcluster* pwc, std::vector<netpixel>* vPIX, int ID) {
 
  std::vector<int> pI = NET->wdmMRA.getXTalk(pwc, ID, false);   // buffer for pixel IDs
  int V = pI.size();
  if(V>cfg->BATCH) return;                                  // attach TD amp to pixels < V
  for(int j=0; j<V; j++) {
    netpixel* pix = pwc->getPixel(ID,pI[j]);
    *pix = (*vPIX)[j];
  }
 
  while(!vPIX->empty()) vPIX->pop_back();
  vPIX->clear(); std::vector<netpixel>().swap(*vPIX);
}
 
double
GetQfactor(wavearray<double>* wf, double frequency, bool fixAmax) {
//
// wf        -> input waveform
// frequency -> input peak frequency
// fixAmax   -> true/false : fix/not-fix amplitude of the gaussian fit
//
// -> the input waveform wf is resampled 4x
// -> get mean and sigma from a gaussian fit of the waveform envelope
// -> compute the range [xmin,xmax] = [mean-3*sigma,mean-3*sigma]]
// -> compute area of the envelope in the rage [xmin,xmax]
// -> compute qfactor using area, max_amplitude and frequency
// -> return qfactor
//
 
  wavearray<double> x = *wf;;
 
  // resample data by a factor 4
  int xsize=x.size();
 
  x.FFTW(1);
  x.resize(4*x.size());
  x.rate(4*x.rate());
  for(int j=xsize;j<x.size();j++) x[j]=0;
  x.FFTW(-1);
 
  // compute range [xmin,xmax] used for final fit using the square of x
  double gmean, gsigma;
  GetGaussFitPars2(&x, gmean, gsigma, fixAmax);
//  cout << "GetQfactor -> gmean " << gmean << " gsigma " << gsigma << endl;
 
  double xmin = gmean-3.0*gsigma;
  double xmax = gmean+3.0*gsigma;
//  cout << "GetQfactor -> xmin " << xmin << " xmax " << xmax << endl;
 
  x = CWB::mdc::GetEnvelope(&x);      // get envelope
 
  // extract max/min values and save the absolute values in the array 'a'
  double dt = 1./x.rate();
  // find max value/index and save on  amax/imax  
  int imax=-1;
  double amax=0;
  for (int i=1;i<x.size();i++) {
    if(x[i]>amax) {amax=x[i];imax=i;}
  }
 
  double area=0.;
  for (int i=1;i<x.size();i++) {
    double t=i*dt;
    if(t>xmin && t<xmax) area+=x[i]*dt;
  }
 
  double sigma = area/amax/sqrt(2*TMath::Pi());
//  cout << "sigma integral is " << sigma << endl;
  double qfactor = sigma*(TMath::TwoPi()*frequency);    // compute qfactor
 
  return qfactor;
}
 
double
GetPeakFrequency(wavearray<double>* wf) {
//
// wf        -> input waveform
//
// -> multiply the input waveform wf by its envelope
// -> perform FFT transform
// -> compute max frequency -> peak
// -> return frequency peak
//
 
  wavearray<double> x  = *wf;
  wavearray<double> ex = CWB::mdc::GetEnvelope(&x);      // get envelope
  int N = x.size();
  for(int i=0;i<N;i++) x[i]*=ex[i];
 
  x.FFTW(1);
 
  // fill time/amp graph
  double df=(x.rate()/(double)N)/2.;
  double amax=0.;
  double fmax=0.;
  for(int i=0;i<N;i+=2) {
    double freq=i*df;
    double amp=x[i]*x[i]+x[i+1]*x[i+1];
    if(amp>amax) {fmax=freq;amax=amp;}
  }
 
  return fmax;
}
 
void
GetGaussFitPars(wavearray<double>* wf, double& mean, double& sigma, bool doenv) {
//
// wf          -> input waveform
// doenv       -> true/false do/not-do waveform envelope
//
// mean, sigma -> output gaussian fit parameters
//
// -> get evelope from the input waveform wf and perform fit with gaussian function
// -> return mean and gigma of gaussian fit
//
 
  wavearray<double> x = doenv ? CWB::mdc::GetEnvelope(wf) : *wf;      // get envelope
 
  // fill time/amp graph
  int N = x.size();
  double* time = new double[N];
  double* amp = new double[N];
  double dt = 1./x.rate();
  for(int i=0;i<N;i++) {
    time[i]=i*dt;
    amp[i]=x[i];
  }
  TGraph gr(N,time,amp);
 
  // fit signal envelope with gaussian function
  gr.Fit("gaus","q0");
  TF1* gaus = (TF1*)gr.GetFunction("gaus");
 
  mean = gaus->GetParameter("Mean");           // extract sigma from gauss fit
  sigma = gaus->GetParameter("Sigma");         // extract sigma from gauss fit
 
  delete [] time;
  delete [] amp;
 
  return;
}
 
void
GetGaussFitPars2(wavearray<double>* wf, double& mean, double& sigma, bool fixAmax) {
//
// wf          -> input waveform
// fixAmax     -> true/false : fix/not-fix amplitude of the gaussian fit
//
// mean, sigma -> output gaussian fit parameters
//
//
// -> get the square of the evelope from the input waveform wf 
// -> perform fit with gaussian function and get mean and gigma of gaussian fit
// -> compute the range [xmin,xmax] = [mean-3*sigma,mean-3*sigma]]
//
// -> get the evelope from the input waveform wf 
// -> perform fit with gaussian function in the range [xmin,xmax] fixing the amplitude to max envelope (according to fixAmax value)
// -> return mean and gigma of gaussian fit
//
 
  wavearray<double> x = CWB::mdc::GetEnvelope(wf);      // get envelope
 
  // compute range [xmin,xmax] used for final fit using the square of x
  // x*x highlight the main peak
  wavearray<double> x2 = x;                             // getx*x
  for(int i=0;i<x.size();i++) x2[i]=x[i]*x[i];
 
  double gmean, gsigma;
  GetGaussFitPars(&x2, gmean, gsigma, false);
//  cout << "GetGaussFitPars2 -> gmean x2 " << gmean << " gsigma x2 " << gsigma << endl;
 
  double xmin = gmean-3.0*gsigma;
  double xmax = gmean+3.0*gsigma;
//  cout << "GetGaussFitPars2 -> xmin " << xmin << " xmax " << xmax << endl;
 
  // fill time/amp graph
  int N = x.size();
  double* time = new double[N];
  double* amp = new double[N];
  double dt = 1./x.rate();
  double amax=0;
  for(int i=0;i<N;i++) {
    time[i]=i*dt;
    amp[i]=x[i];
    if(fabs(x[i])>amax) amax=fabs(x[i]);
  }
  TGraph gr(N,time,amp);
//  cout << "GetGaussFitPars2 -> amax " << amax << endl;
 
  // fit signal envelope with gaussian function
  TF1 *xgaus = new TF1("xgaus","gaus",xmin,xmax);
  if(fixAmax) xgaus->SetParLimits(0,amax*0.999,amax*1.001);     // fix gauss constant par to amax
  gr.Fit("xgaus","RQ");
 
  mean = xgaus->GetParameter("Mean");           // extract sigma from gauss fit
  sigma = xgaus->GetParameter("Sigma");         // extract sigma from gauss fit
 
  delete xgaus;
  delete [] time;
  delete [] amp;
 
  return;
}
 
}
 
// -------------------------------------------------------------------------
// --> END CWB_USER PLUGIN CODE 3
// 
// CWB_Plugin_QLveto.C
// -------------------------------------------------------------------------
 
 
// -------------------------------------------------------------------------
// --> MAIN CWB_USER PLUGIN CODE 
// 
// INPUT PLUGINS     :                                                       
// 
// 1 - CWB_Plugin_O3aConditioning.C
// 2 - CWB_Plugin_Gating.C
// 3 - CWB_Plugin_QLveto.C
// 
// -------------------------------------------------------------------------
 
#define XIFO 4
#pragma GCC system_header
#include "cwb.hh"
 
 
void
CWB_Plugin(TFile* jfile, CWB::config* cfg, network* net, WSeries<double>* x, TString ifo, int type)  {
 
  CWB_UserPluginNamespace_1::CWB_Plugin(jfile, cfg, net, x, ifo, type); // CALL USER PLUGIN CODE 1
  CWB_UserPluginNamespace_2::CWB_Plugin(jfile, cfg, net, x, ifo, type); // CALL USER PLUGIN CODE 2
  CWB_UserPluginNamespace_3::CWB_Plugin(jfile, cfg, net, x, ifo, type); // CALL USER PLUGIN CODE 3
}