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  1. #include <TClonesArray.h>
  2. #include <TH1F.h>
  3. #include <TStopwatch.h>
  4. #include <TDatime.h>
  5. #include <TString.h>
  6. #include <TFile.h>
  7. #include <TTree.h>
  8. #include <TBranch.h>
  9. #include <TBufferJSON.h>
  10. #include <TMath.h>
  11. #include <vector>
  12. #include "BParticle.h"
  13. #include "BEvent.h"
  14.  
  15. class Hdr{
  16. public:
  17.   int id;
  18.   int len;
  19.   int progress;
  20. };
  21.  
  22. std::vector<int> histogram(int n, ...){
  23. std::vector<int> result;
  24. int val = 0;
  25.    va_list ap;
  26.    int i;
  27.  
  28.    va_start(ap, n);
  29.    for(i = 0; i < n; i++) {
  30.       result.push_back(  va_arg(ap, int) );
  31.    }
  32.    va_end(ap);
  33. return result;
  34. }
  35.  
  36. class Blab2 {
  37. public:
  38. const char *names[11]={"photon", "electron", "pion", "muon", "kaon", "proton", "J/Psi", "D", "D*", "B", "Phi"};
  39.  
  40. UInt_t fNeve;
  41. UInt_t fNfirst;
  42. UInt_t fPrint;
  43. int fData;
  44. TH1F *fH[100];
  45. UInt_t fHtype[100];
  46. TClonesArray *fList[100];
  47.  
  48. Blab2();
  49. ~Blab2();
  50. void Init();
  51. void event();
  52. void Process();
  53. void h1d(const char *varname, const char *name, int nbins, double min, double max, int id );
  54. int  selector(int pin, int charge, SIMPLEPID particlename,  int hid, int pout );
  55. int  selector(int pin, int charge, SIMPLEPID particlename,  std::vector<int> hid, int pout );
  56. int  combiner(int id0 ,int id1 , int same, SIMPLEPID particlename, double min, double max, int hid, int id );
  57. int  combiner(int id0 ,int id1 , int same, SIMPLEPID particlename, double min, double max, std::vector<int>hid, int id );
  58. int  fix_mass(int id);
  59. int  Fill(std::vector<int> hid, BParticle *p);
  60. void plist(int i);
  61.  
  62.  
  63. ClassDef ( Blab2, 1 )
  64. };
  65.  
  66. ClassImp(Blab2)
  67.  
  68. Blab2::Blab2():fNfirst(0), fNeve(0), fData(0), fPrint(0) {
  69.  
  70.  Process();
  71. };
  72.  
  73.  
  74. void Blab2::h1d(const char *varname, const char *name, int nbins, double min, double max, int id ){
  75.    TString svar(varname);
  76.    TString axis[]={"mass (GeV/c2)",
  77.                 "momentum (GeV/c)",
  78.                 "energy (GeV)","charge",
  79.                 "identity",
  80.                 "momentum (GeV/c)",
  81.                 "momentum (GeV/c)",
  82.                 "momentum (GeV/c)",
  83.                 "momentum (GeV/c)",
  84.                 "angle (deg.)",
  85.                 "cos(theta)"};
  86.    fHtype[id] = 0;
  87.    if (svar.Contains("GetMass"    )) fHtype[id]=0;
  88.    if (svar.Contains("GetMomentum")) fHtype[id]=1;
  89.    if (svar.Contains("GetEnergy"  )) fHtype[id]=2;
  90.    if (svar.Contains("GetCharge"  )) fHtype[id]=3;
  91.    if (svar.Contains("GetPid"     )) fHtype[id]=4;
  92.    if (svar.Contains("GetXMomentum")) fHtype[id]=5;
  93.    if (svar.Contains("GetYMomentum")) fHtype[id]=6;
  94.    if (svar.Contains("GetZMomentum")) fHtype[id]=7;
  95.    if (svar.Contains("GetTransverseMomentum")) fHtype[id]=8;
  96.    if (svar.Contains("GetTheta"))             fHtype[id]=9;
  97.    if (svar.Contains("GetCosTheta"))          fHtype[id]=10;
  98.  
  99.    //fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);
  100.    if (fHtype[id]==4) {
  101.      fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), 11, 0, 11);
  102.      for (int i=0;i<11;i++) fH[id]->GetXaxis()->SetBinLabel(i+1,names[i]);
  103.    } else {
  104.      fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);  
  105.    }
  106.    
  107.  
  108. }
  109.  
  110.  
  111.  
  112. int Blab2::Fill(std::vector<int> id, BParticle *p){
  113.   for (int i=0; i< id.size(); i++){
  114.  int hid = id[i];
  115.   if (hid>=0 && fH[hid]) {
  116.       double val;
  117.       switch (fHtype[hid]){
  118.       case 0 : val  = p->GetMass(); break;
  119.       case 1 : val  = p->GetMomentum(); break;
  120.       case 2 : val  = p->e(); break;
  121.       case 3 : val  = p->charge(); break;
  122.       case 4 : val  = p->pid(); break;
  123.       case 5 : val  = p->px(); break;
  124.       case 6 : val  = p->py(); break;
  125.       case 7 : val  = p->pz(); break;
  126.       case 8 : val  = p->GetTransverseMomentum(); break;
  127.       case 9 : val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; val = 180.0*TMath::ACos(val)/TMath::Pi(); break;
  128.       case 10: val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; break;
  129.       default: val  = 0 ; break;
  130.    }
  131.    fH[hid]->Fill(val);
  132. }  
  133.    
  134.    }
  135.  
  136. return 0;
  137. }
  138. int Blab2::combiner(int _p0, int _p1,int same, SIMPLEPID pid, double min, double max, int hid, int _p2 ){
  139. std::vector<int> a;
  140. return combiner(_p0,_p1,same,pid,min,max,a,_p2);
  141. }
  142.  
  143. int Blab2::combiner(int _p0, int _p1,int same, SIMPLEPID pid, double min, double max, std::vector<int> hid, int _p2 ){
  144.    // Loop over all the particles in both lists.
  145.  if (_p0 < 0 ) _p0 =0;
  146.  if (_p1 < 0 ) _p1 =0;
  147.  
  148.  
  149.  fList[_p2]->Clear();
  150.  int nprt=0;
  151.  
  152.  for(TIter next1(fList[_p0]);BParticle * p1 =(BParticle *) next1();) {
  153.     // the second loop
  154.    // in the case the second parti
  155.    for(TIter next2 = (_p0!=_p1 && same==0) ?  TIter(fList[_p1]): TIter(next1) ; BParticle * p2 =(BParticle *) next2();) {  
  156.       if (p1==p2) continue;     // do not use the same particle in the combinations
  157.       BParticle  p = *p1 + *p2; // Combine two particles into a new particle  
  158.       if (p.InMassRange(min, max)){
  159.             Fill(hid, &p);
  160.             p.SetPid(pid); // set PID to particlename to fix the particle mass
  161.             p.SetEnergyFromPid();
  162.             TClonesArray& list = *fList[_p2];          
  163.             new (list[nprt++]) BParticle ( p ); // create a new entry in kslist list of particles
  164.            
  165.       }
  166.        
  167.    }
  168.                
  169.  }
  170.  return _p2;
  171. }
  172.  
  173.  
  174. int Blab2::selector(int pin, int charge, SIMPLEPID type ,  int  hid, int pout ){
  175. std::vector<int> a;
  176. return selector(pin,charge,type,a,pout);
  177. }
  178. int Blab2::selector(int pin, int charge, SIMPLEPID type ,  std::vector<int> hid, int pout ){
  179.  if (pin < 0 ) pin =0;
  180.  
  181.   fList[pout]->Clear();
  182.   int nprt=0;
  183.  
  184.   for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();) {
  185.         if (p->charge()== charge || charge > 1){
  186.           if ( p->pid()== type || type == ALL ) {
  187.             TClonesArray& list = *fList[pout];
  188.             new (list[nprt++]) BParticle ( *p );
  189.             Fill(hid, p);
  190.           }
  191.         }
  192.   }      
  193.    return pout;
  194. }
  195.  
  196.  
  197. int Blab2::fix_mass(int pin){
  198.    if (pin < 0 ) pin =0;
  199.    for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();)  p->SetEnergyFromPid();
  200.    return pin;
  201. }
  202.  
  203. void Blab2::plist(int i){
  204.   fList[i]= new TClonesArray( "BParticle", 500 );
  205. }
  206. Blab2::~Blab2(){};
  207.  
  208.  
  209. void send_message(int id, TString msg, int progress){
  210. static Hdr hdr;
  211.  
  212.    hdr.id = id;
  213.    hdr.len= msg.Length();
  214.    hdr.progress= progress;
  215.    fwrite(&hdr,3*sizeof(int),1,stdout);
  216.    fwrite(msg.Data(),hdr.len,1,stdout);
  217.    fflush(stdout);
  218.  
  219. }
  220.  
  221.  
  222. void Blab2::Process(){
  223.  
  224. char sList[0xFFFF];
  225. for (int i=0;i<100;i++) fH[i]=NULL;
  226. for (int i=0;i<100;i++) fHtype[i]=0;
  227. for (int i=0;i<100;i++) fList[i]=NULL;
  228.  
  229. Init();
  230.  
  231. TFile * f = new TFile(TString::Format("../../data/hadron-%d.root",fData)); // Open a data file
  232. if(f->IsZombie()) {  send_message(0,TString::Format("File %d not found\n",fData), 0 );  return; }  
  233. TTree * t =(TTree *) f-> Get( "T"); // Obtain a pointer to a tree of "event" data in the file
  234. BEvent * mevent = new BEvent(); // Create a  "BEvent" object where data from the file will be loaded
  235. TBranch * branch = t-> GetBranch( "BEvent"); // Obtain a branch for "BEvent" in the tree
  236. branch-> SetAddress(&mevent); // Register created "BEvent" object to the branch
  237. TH1F *fHnprt= new TH1F("h100", "Number of particles in the event;N particles;N events", 50, -0.5, 49.5);
  238.  
  239.  
  240.  
  241. send_message(0, TString::Format("<br>Number of Events in the file %lld<br>\n", t->GetEntries() ),0);
  242. TStopwatch timer;
  243. timer.Start();
  244. int nev  = 0;
  245. int i    =TMath::Min(fNfirst, (UInt_t) t-> GetEntries());
  246. int cNeve=TMath::Min(fNfirst+fNeve, (UInt_t) t-> GetEntries());
  247. int fPart = fPrint;
  248. int totaltracks = 0;
  249. while (i<cNeve){
  250.  t-> GetEntry(i); // Read the content of the event from the file
  251.  fList[0]= mevent->GetParticleList();
  252.  
  253.  event();
  254.  
  255.  int progress = (100*i)/cNeve;
  256.  if (i%10000==0) send_message(2, TString::Format("Event %d\n",i), progress);
  257.  
  258.  int nprt=0;
  259.  if (nev>100) fPrint = 0; // disable particle prints for huge numer of events
  260.  if (fPrint) sprintf(sList,"Primary particle list for Event %d<br/><table class='plist' ><tr><th>N<th>px(GeV/c)<th>py(GeV/c)<th>pz(GeV/c)<th>p(GeV/c)<th>Energy(GeV)<th>Charge<th>ID<th></tr>", i);
  261.  for(TIter next(fList[0]); BParticle * p =(BParticle *) next();) {
  262.    nprt++;
  263.    if (fPrint) sprintf(sList,"%s<tr><td>%d<td>%g<td>%g<td>%g<td>%g<td>%g<td>%1.0f<td>%s</tr>",sList,nprt, p->px(),p->py(),p->pz(),p->GetMomentum(),p->e(), p->charge(),names[p->pid()] );
  264.  }
  265.  if (fPart) fHnprt->Fill(nprt);
  266.  totaltracks += nprt;
  267.  if (fPrint) {
  268.    sprintf(sList,"%s</table>",sList);
  269.    send_message(0, TString(sList),progress);
  270.    nev++;
  271.  }
  272.  mevent-> Clear();  // Clear the memory.
  273.  for (int k=0;k<100;k++) if (fList[k]!=0) fList[k]->Clear();
  274.  i++;
  275. }
  276. double avgtracks=(i)?float(totaltracks)/i:0;
  277. send_message(0, TString::Format("Number of events processed: %d<br/>\nNumber of particles: %d<br/>\nAverage number of particles per event %f<br/>\n", i, totaltracks, avgtracks ),100);
  278.  
  279. if (fPart) send_message(1,TBufferJSON::ConvertToJSON(fHnprt),100 );
  280.  
  281.  
  282. for (int i=0;i<100;i++) if (fH[i]!=0) send_message(1,TBufferJSON::ConvertToJSON(fH[i]),100 );
  283.  
  284. TDatime d;
  285. timer.Stop();
  286. send_message(3, TString::Format("'%s', %d, %f, %f", d.AsSQLString(),i, timer.RealTime(), timer.CpuTime() ),100);
  287.  
  288. }
  289.  
  290.  
  291.