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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[12]={"photon", "electron", "pion", "muon", "kaon", "proton", "J/Psi", "D", "D*", "B", "Phi","Lambda0"};
  39.  
  40. UInt_t fNeve;
  41. UInt_t fNfirst;
  42. UInt_t fPrint;
  43. TString 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  combiner3(int id0 ,int id1 , int id2, int same, SIMPLEPID particlename, double min, double max, int hid, int id );
  59. int  combiner3(int id0 ,int id1 , int id2, int same, SIMPLEPID particlename, double min, double max, std::vector<int>hid, int id );
  60. int  fix_mass(int id);
  61. int  Fill(std::vector<int> hid, BParticle *p);
  62. void plist(int i);
  63.  
  64.  
  65. ClassDef ( Blab2, 1 )
  66. };
  67.  
  68. ClassImp(Blab2)
  69.  
  70. Blab2::Blab2():fNfirst(0), fNeve(0), fData(), fPrint(0) {
  71.  
  72.  Process();
  73. };
  74.  
  75.  
  76. void Blab2::h1d(const char *varname, const char *name, int nbins, double min, double max, int id ){
  77.    TString svar(varname);
  78.    TString axis[]={"mass (GeV/c2)",
  79.                 "momentum (GeV/c)",
  80.                 "energy (GeV)","charge",
  81.                 "identity",
  82.                 "momentum (GeV/c)",
  83.                 "momentum (GeV/c)",
  84.                 "momentum (GeV/c)",
  85.                 "momentum (GeV/c)",
  86.                 "angle (deg.)",
  87.                 "cos(theta)"};
  88.    fHtype[id] = 0;
  89.    if (svar.Contains("GetMass"    )) fHtype[id]=0;
  90.    if (svar.Contains("GetMomentum")) fHtype[id]=1;
  91.    if (svar.Contains("GetEnergy"  )) fHtype[id]=2;
  92.    if (svar.Contains("GetCharge"  )) fHtype[id]=3;
  93.    if (svar.Contains("GetPid"     )) fHtype[id]=4;
  94.    if (svar.Contains("GetXMomentum")) fHtype[id]=5;
  95.    if (svar.Contains("GetYMomentum")) fHtype[id]=6;
  96.    if (svar.Contains("GetZMomentum")) fHtype[id]=7;
  97.    if (svar.Contains("GetTransverseMomentum")) fHtype[id]=8;
  98.    if (svar.Contains("GetTheta"))             fHtype[id]=9;
  99.    if (svar.Contains("GetCosTheta"))          fHtype[id]=10;
  100.  
  101.    //fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);
  102.    if (fHtype[id]==4) {
  103.      fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), 11, 0, 11);
  104.      for (int i=0;i<11;i++) fH[id]->GetXaxis()->SetBinLabel(i+1,names[i]);
  105.    } else {
  106.      fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);  
  107.    }
  108.    
  109.  
  110. }
  111.  
  112.  
  113.  
  114. int Blab2::Fill(std::vector<int> id, BParticle *p){
  115.   for (int i=0; i< id.size(); i++){
  116.  int hid = id[i];
  117.   if (hid>=0 && fH[hid]) {
  118.       double val;
  119.       switch (fHtype[hid]){
  120.       case 0 : val  = p->GetMass(); break;
  121.       case 1 : val  = p->GetMomentum(); break;
  122.       case 2 : val  = p->e(); break;
  123.       case 3 : val  = p->charge(); break;
  124.       case 4 : val  = p->pid(); break;
  125.       case 5 : val  = p->px(); break;
  126.       case 6 : val  = p->py(); break;
  127.       case 7 : val  = p->pz(); break;
  128.       case 8 : val  = p->GetTransverseMomentum(); break;
  129.       case 9 : val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; val = 180.0*TMath::ACos(val)/TMath::Pi(); break;
  130.       case 10: val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; break;
  131.       default: val  = 0 ; break;
  132.    }
  133.    fH[hid]->Fill(val);
  134. }  
  135.    
  136.    }
  137.  
  138. return 0;
  139. }
  140. int Blab2::combiner(int _p0, int _p1,int same, SIMPLEPID pid, double min, double max, int hid, int _p2 ){
  141. std::vector<int> a;
  142. return combiner(_p0,_p1,same,pid,min,max,a,_p2);
  143. }
  144.  
  145. int Blab2::combiner3(int _p0, int _p1, int _p2, int same, SIMPLEPID pid, double min, double max, int hid, int _p3 ){
  146. std::vector<int> a;
  147. return combiner3(_p0,_p1,_p2, same,pid,min,max,a,_p3);
  148. }
  149.  
  150. int Blab2::combiner(int _p0, int _p1,int same, SIMPLEPID pid, double min, double max, std::vector<int> hid, int _p2 ){
  151.    // Loop over all the particles in both lists.
  152.  if (_p0 < 0 ) _p0 =0;
  153.  if (_p1 < 0 ) _p1 =0;
  154.  
  155.  
  156.  fList[_p2]->Clear();
  157.  int nprt=0;
  158.  
  159.  for(TIter next1(fList[_p0]);BParticle * p1 =(BParticle *) next1();) {
  160.     // the second loop
  161.    // in the case the second parti
  162.    for(TIter next2 = (_p0!=_p1 && same==0) ?  TIter(fList[_p1]): TIter(next1) ; BParticle * p2 =(BParticle *) next2();) {  
  163.       if (p1==p2) continue;     // do not use the same particle in the combinations
  164.       BParticle  p = *p1 + *p2; // Combine two particles into a new particle  
  165.       if (p.InMassRange(min, max)){
  166.             Fill(hid, &p);
  167.             p.SetPid(pid); // set PID to particlename to fix the particle mass
  168.             p.SetEnergyFromPid();
  169.             TClonesArray& list = *fList[_p2];          
  170.             new (list[nprt++]) BParticle ( p ); // create a new entry in kslist list of particles
  171.            
  172.       }
  173.        
  174.    }
  175.                
  176.  }
  177.  return _p2;
  178. }
  179.  
  180.  
  181. int Blab2::combiner3(int _p0, int _p1,int _p2, int same, SIMPLEPID pid, double min, double max, std::vector<int> hid, int _p3 ){
  182.    // Loop over all the particles in both lists.
  183.  if (_p0 < 0 ) _p0 =0;
  184.  if (_p1 < 0 ) _p1 =0;
  185.  if (_p2 < 0 ) _p2 =0;
  186.  
  187.  
  188.  fList[_p3]->Clear();
  189.  int nprt=0;
  190.  
  191.  for(TIter next1(fList[_p0]);BParticle * p1 =(BParticle *) next1();) {
  192.     // the second loop
  193.    // in the case the second parti
  194.    for(TIter next2 = (_p0!=_p1 && same==0) ?  TIter(fList[_p1]): TIter(next1) ; BParticle * p2 =(BParticle *) next2();) {  
  195.       if (p1==p2) continue;     // do not use the same particle in the combinations
  196.       for(TIter next3 = (_p1!=_p2 && same==0) ?  TIter(fList[_p2]): TIter(next2) ; BParticle * p3 =(BParticle *) next3();) {  
  197.         if (p2==p3) continue;     // do not use the same particle in the combinations
  198.         BParticle  p = *p1 + *p2 + *p3; // Combine two particles into a new particle  
  199.         if (p.InMassRange(min, max)){
  200.             Fill(hid, &p);
  201.             p.SetPid(pid); // set PID to particlename to fix the particle mass
  202.             p.SetEnergyFromPid();
  203.             TClonesArray& list = *fList[_p3];          
  204.             new (list[nprt++]) BParticle ( p ); // create a new entry in kslist list of particles      
  205.         }
  206.       }
  207.        
  208.    }
  209.                
  210.  }
  211.  return _p3;
  212. }
  213.  
  214.  
  215. int Blab2::selector(int pin, int charge, SIMPLEPID type ,  int  hid, int pout ){
  216. std::vector<int> a;
  217. return selector(pin,charge,type,a,pout);
  218. }
  219. int Blab2::selector(int pin, int charge, SIMPLEPID type ,  std::vector<int> hid, int pout ){
  220.  if (pin < 0 ) pin =0;
  221.  
  222.   fList[pout]->Clear();
  223.   int nprt=0;
  224.  
  225.   for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();) {
  226.         if (p->charge()== charge || charge > 1){
  227.           if ( p->pid()== type || type == ALL ) {
  228.             TClonesArray& list = *fList[pout];
  229.             new (list[nprt++]) BParticle ( *p );
  230.             Fill(hid, p);
  231.           }
  232.         }
  233.   }      
  234.    return pout;
  235. }
  236.  
  237.  
  238. int Blab2::fix_mass(int pin){
  239.    if (pin < 0 ) pin =0;
  240.    for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();)  p->SetEnergyFromPid();
  241.    return pin;
  242. }
  243.  
  244. void Blab2::plist(int i){
  245.   fList[i]= new TClonesArray( "BParticle", 500 );
  246. }
  247. Blab2::~Blab2(){};
  248.  
  249.  
  250. void send_message(int id, TString msg, int progress){
  251. static Hdr hdr;
  252.  
  253.    hdr.id = id;
  254.    hdr.len= msg.Length();
  255.    hdr.progress= progress;
  256.    fwrite(&hdr,3*sizeof(int),1,stdout);
  257.    fwrite(msg.Data(),hdr.len,1,stdout);
  258.    fflush(stdout);
  259.  
  260. }
  261.  
  262.  
  263. void Blab2::Process(){
  264.  
  265. char sList[0xFFFF];
  266. for (int i=0;i<100;i++) fH[i]=NULL;
  267. for (int i=0;i<100;i++) fHtype[i]=0;
  268. for (int i=0;i<100;i++) fList[i]=NULL;
  269.  
  270. Init();
  271.  
  272. TFile * f = new TFile(TString::Format("../../data/%s",fData.Data())); // Open a data file
  273. if(f->IsZombie()) {  send_message(0,TString::Format("File %s not found\n",fData.Data()), 0 );  return; }  
  274. TTree * t =(TTree *) f-> Get( "T"); // Obtain a pointer to a tree of "event" data in the file
  275. BEvent * mevent = new BEvent(); // Create a  "BEvent" object where data from the file will be loaded
  276. TBranch * branch = t-> GetBranch( "BEvent"); // Obtain a branch for "BEvent" in the tree
  277. branch-> SetAddress(&mevent); // Register created "BEvent" object to the branch
  278. TH1F *fHnprt= new TH1F("h100", "Number of particles in the event;N particles;N events", 50, -0.5, 49.5);
  279.  
  280.  
  281.  
  282. send_message(0, TString::Format("<br>Number of Events in the file %lld<br>\n", t->GetEntries() ),0);
  283. TStopwatch timer;
  284. timer.Start();
  285. int nev  = 0;
  286. int i    =TMath::Min(fNfirst, (UInt_t) t-> GetEntries());
  287. int cNeve=TMath::Min(fNfirst+fNeve, (UInt_t) t-> GetEntries());
  288. int fPart = fPrint;
  289. int totaltracks = 0;
  290. while (i<cNeve){
  291.  t-> GetEntry(i); // Read the content of the event from the file
  292.  fList[0]= mevent->GetParticleList();
  293.  
  294.  event();
  295.  
  296.  int progress = (100*i)/cNeve;
  297.  if (i%10000==0) send_message(2, TString::Format("Event %d\n",i), progress);
  298.  
  299.  int nprt=0;
  300.  if (nev>100) fPrint = 0; // disable particle prints for huge numer of events
  301.  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);
  302.  for(TIter next(fList[0]); BParticle * p =(BParticle *) next();) {
  303.    nprt++;
  304.    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()] );
  305.  }
  306.  if (fPart) fHnprt->Fill(nprt);
  307.  totaltracks += nprt;
  308.  if (fPrint) {
  309.    sprintf(sList,"%s</table>",sList);
  310.    send_message(0, TString(sList),progress);
  311.    nev++;
  312.  }
  313.  mevent-> Clear();  // Clear the memory.
  314.  for (int k=0;k<100;k++) if (fList[k]!=0) fList[k]->Clear();
  315.  i++;
  316. }
  317. double avgtracks=(i)?float(totaltracks)/i:0;
  318. 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);
  319.  
  320. if (fPart) send_message(1,TBufferJSON::ConvertToJSON(fHnprt),100 );
  321.  
  322.  
  323. for (int i=0;i<100;i++) if (fH[i]!=0) send_message(1,TBufferJSON::ConvertToJSON(fH[i]),100 );
  324.  
  325. TDatime d;
  326. timer.Stop();
  327. send_message(3, TString::Format("'%s', %d, %f, %f", d.AsSQLString(),i, timer.RealTime(), timer.CpuTime() ),100);
  328.  
  329. }
  330.  
  331.  
  332.