// *********************************************************************
// To execute this macro under ROOT, 
//   1 - launch ROOT (usually type 'root' at your machine's prompt)
//   2 - type '.X plot.C' at the ROOT session prompt
//   3 - OR directly type 'root plot.C'
// *********************************************************************
{
gROOT->Reset();
gStyle->SetPalette(1);
gROOT->SetStyle("Plain");
Double_t scale;
	
c1 = new TCanvas ("c1","",20,20,1000,500);
c1->Divide(2,1);

system ("rm -rf microdosimetry.root");
system ("hadd -O microdosimetry.root microdosimetry_*.root");

TFile f("microdosimetry.root"); 

TNtuple* ntuple;
ntuple = (TNtuple*)f.Get("microdosimetry"); 
     
c1->cd(1);
  gStyle->SetOptStat(000000);
  
  // All
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(2);
  ntuple->Draw("flagProcess","","B");
  
  // Excitation
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(3);
  ntuple->Draw("flagProcess","flagProcess==12||flagProcess==15||flagProcess==22||flagProcess==32||flagProcess==42||flagProcess==52||flagProcess==62","Bsame");

  // Elastic
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(4);
  ntuple->Draw("flagProcess","flagProcess==11||flagProcess==21||flagProcess==31||flagProcess==41||flagProcess==51||flagProcess==61||flagProcess==110||flagProcess==210||flagProcess==410||flagProcess==510||flagProcess==710||flagProcess==120||flagProcess==220||flagProcess==420||flagProcess==520||flagProcess==720","Bsame");
  
  // Ionisation
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(5);
  ntuple->Draw("flagProcess","flagProcess==13||flagProcess==23||flagProcess==33||flagProcess==43||flagProcess==53||flagProcess==63||flagProcess==73||flagProcess==130||flagProcess==230||flagProcess==430||flagProcess==530||flagProcess==730","Bsame");
  
  // Charge decrease
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(6);
  ntuple->Draw("flagProcess","flagProcess==24||flagProcess==44||flagProcess==54","Bsame");

  // Charge increase
  ntuple->SetFillStyle(1001);
  ntuple->SetFillColor(7);
  ntuple->Draw("flagProcess","flagProcess==35||flagProcess==55||flagProcess==65","Bsame");
  
  gPad->SetLogy();

c1->cd(2);

  // Electrons
  ntuple->SetMarkerColor(2);
  ntuple->Draw("x:y:z/1000","flagParticle==1","");

  // Protons
  ntuple->SetMarkerColor(4);
  ntuple->SetMarkerSize(4);
  ntuple->Draw("x:y:z/1000","flagParticle==2","same");

  // Hydrogen
  ntuple->SetMarkerColor(3);
  ntuple->SetMarkerSize(3);
  ntuple->Draw("x:y:z/1000","flagParticle==3","same");
  
}