#include "TTree.h"
#include "TCanvas.h"
#include "TRandom.h"
#include "TVirtualFFT.h"
#include "TFile.h"
#include <Riostream.h>
#include "TGraph.h"
#include "TF1.h"
#include "TClonesArray.h"

void test(){

  Double_t time[1024], ampl[1024];
  
  for(Int_t i=0;i<1024;i++){

    ampl[i] = gRandom->Gaus(0.,0.001);
    time[i] = i;

  }

  TFile *fout = new TFile("test.root","RECREATE");

  TTree *rec = new TTree("rec","rec");
  TClonesArray *WF = new TClonesArray("TGraph"); // DCWaveform Branch
  TClonesArray &wave = *WF;
  rec->Branch("wave",&wave,256000);
  WF->BypassStreamer();

  for(Int_t i=0;i<100000;i++){
	
    wave.Clear();

    if(i%100 == 0) cout << "Event " << i << endl;

    for(Int_t ich=0;ich<8;ich++){
      new(wave[ich]) TGraph(1024,time,ampl);
    }
      
    rec->Fill();

  }

  rec->Write();
  fout->Close();

}