Subversion Repositories f9daq

#include <TClonesArray.h>

#include <TH1F.h>

#include <TStopwatch.h>

#include <TDatime.h>

#include <TString.h>

#include <TFile.h>

#include <TTree.h>

#include <TBranch.h>

#include <TBufferJSON.h>

#include <TMath.h>

#include "BParticle.h"

#include "BEvent.h"

class Hdr{

public:

  int id;

  int len;

  int progress;

};

class Blab2 {

public:

const char *names[11]={"photon", "electron", "pion", "muon", "kaon", "proton", "J/Psi", "D", "D*", "B", "Phi"};

UInt_t fNeve;

UInt_t fNfirst;

UInt_t fPrint;

int fData;

TH1F *fH[100];

UInt_t fHtype[100];

TClonesArray *fList[100];

Blab2();

~Blab2();

void Init();

void event();

void Process();

void h1d(const char *varname, const char *name, int nbins, double min, double max, int id );

int  selector(int pin, int charge, SIMPLEPID particlename,  int hid, int pout );

int  combiner(int id0 ,int id1 , int same, SIMPLEPID particlename, double min, double max, int hid, int id );

int  fix_mass(int id);

int  Fill(int hid, BParticle *p);

void plist(int i);

ClassDef ( Blab2, 1 )

};

ClassImp(Blab2)

Blab2::Blab2():fNfirst(0), fNeve(0), fData(0), fPrint(0) {

 Process();

};

void Blab2::h1d(const char *varname, const char *name, int nbins, double min, double max, int id ){

   TString svar(varname);

   TString axis[]={"mass (GeV/c2)",

                "momentum (GeV/c)",

                "energy (GeV)","charge",

                "identity",

                "momentum (GeV/c)",

                "momentum (GeV/c)",

                "momentum (GeV/c)",

                "momentum (GeV/c)",

                "angle (deg.)",

                "cos(theta)"};

   fHtype[id] = 0;

   if (svar.Contains("GetMass"    )) fHtype[id]=0;

   if (svar.Contains("GetMomentum")) fHtype[id]=1;

   if (svar.Contains("GetEnergy"  )) fHtype[id]=2;

   if (svar.Contains("GetCharge"  )) fHtype[id]=3;

   if (svar.Contains("GetPid"     )) fHtype[id]=4;

   if (svar.Contains("GetXMomentum")) fHtype[id]=5;

   if (svar.Contains("GetYMomentum")) fHtype[id]=6;

   if (svar.Contains("GetZMomentum")) fHtype[id]=7;

   if (svar.Contains("GetTransverseMomentum")) fHtype[id]=8;

   if (svar.Contains("GetTheta"))             fHtype[id]=9;

   if (svar.Contains("GetCosTheta"))          fHtype[id]=10;

   fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);

   if (fHtype[id]==4) {

     fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), 11, 0, 11);

     for (int i=0;i<11;i++) fH[id]->GetXaxis()->SetBinLabel(i+1,names[i]);

   } else {

     fH[id]= new TH1F(TString::Format("h%d",id), TString::Format("%s;%s;N",name,axis[fHtype[id]].Data()), nbins, min, max);  

   }

}

int Blab2::Fill(int hid, BParticle *p){

  if (hid>=0 && fH[hid]) {

      double val;

      switch (fHtype[hid]){

      case 0 : val  = p->GetMass(); break;

      case 1 : val  = p->GetMomentum(); break;

      case 2 : val  = p->e(); break;

      case 3 : val  = p->charge(); break;

      case 4 : val  = p->pid(); break;

      case 5 : val  = p->px(); break;

      case 6 : val  = p->py(); break;

      case 7 : val  = p->pz(); break;

      case 8 : val  = p->GetTransverseMomentum(); break;

      case 9 : val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; val = 180.0*TMath::ACos(val)/TMath::Pi(); break;

      case 10: val  = (p->GetMomentum()!=0) ? p->pz()/p->GetMomentum() : 0; break;

      default: val  = 0 ; break;

   }

   fH[hid]->Fill(val);

}  

return 0;

}

int Blab2::combiner(int _p0, int _p1,int same, SIMPLEPID pid, double min, double max, int hid, int _p2 ){

   // Loop over all the particles in both lists.

 if (_p0 < 0 ) _p0 =0;

 if (_p1 < 0 ) _p1 =0;

 fList[_p2]->Clear();

 int nprt=0;

 for(TIter next1(fList[_p0]);BParticle * p1 =(BParticle *) next1();) {

    // the second loop

   // in the case the second parti 

   for(TIter next2 = (_p0!=_p1 && same==0) ?  TIter(fList[_p1]): TIter(next1) ; BParticle * p2 =(BParticle *) next2();) {  

      if (p1==p2) continue;     // do not use the same particle in the combinations

      BParticle  p = *p1 + *p2; // Combine two particles into a new particle   

      if (p.InMassRange(min, max)){

            Fill(hid, &p);

            p.SetPid(pid); // set PID to particlename to fix the particle mass

            p.SetEnergyFromPid();

            TClonesArray& list = *fList[_p2];          

            new (list[nprt++]) BParticle ( p ); // create a new entry in kslist list of particles

      }

   }

 }

 return _p2;

}

int Blab2::selector(int pin, int charge, SIMPLEPID type ,  int hid, int pout ){

 if (pin < 0 ) pin =0;

  fList[pout]->Clear();

  int nprt=0;

  for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();) {

        if (p->charge()== charge || charge > 1){

          if ( p->pid()== type || type == ALL ) {

            TClonesArray& list = *fList[pout];

            new (list[nprt++]) BParticle ( *p );

            Fill(hid, p);

          }

        }

  }      

   return pout;

}

int Blab2::fix_mass(int pin){

   if (pin < 0 ) pin =0;

   for(TIter next(fList[pin]); BParticle * p =(BParticle *) next();)  p->SetEnergyFromPid();

   return pin;

}

void Blab2::plist(int i){

  fList[i]= new TClonesArray( "BParticle", 500 );

}

Blab2::~Blab2(){};

void send_message(int id, TString msg, int progress){

static Hdr hdr;

   hdr.id = id;

   hdr.len= msg.Length();

   hdr.progress= progress;

   fwrite(&hdr,3*sizeof(int),1,stdout);

   fwrite(msg.Data(),hdr.len,1,stdout);

   fflush(stdout);

}

void Blab2::Process(){

char sList[0xFFFF];

for (int i=0;i<100;i++) fH[i]=NULL;

for (int i=0;i<100;i++) fHtype[i]=0;

for (int i=0;i<100;i++) fList[i]=NULL;

Init();

TFile * f = new TFile(TString::Format("../../data/hadron-%d.root",fData)); // Open a data file

if(f->IsZombie()) {  send_message(0,TString::Format("File %d not found\n",fData), 0 );  return; }  

TTree * t =(TTree *) f-> Get( "T"); // Obtain a pointer to a tree of "event" data in the file

BEvent * mevent = new BEvent(); // Create a  "BEvent" object where data from the file will be loaded

TBranch * branch = t-> GetBranch( "BEvent"); // Obtain a branch for "BEvent" in the tree

branch-> SetAddress(&mevent); // Register created "BEvent" object to the branch

TH1F *fHnprt= new TH1F("h100", "Number of particles in the event;N particles;N events", 50, -0.5, 49.5);

send_message(0, TString::Format("<br>Number of Events in the file %lld<br>\n", t->GetEntries() ),0);

TStopwatch timer;

timer.Start();

int nev  = 0;

int i    =TMath::Min(fNfirst, (UInt_t) t-> GetEntries());

int cNeve=TMath::Min(fNfirst+fNeve, (UInt_t) t-> GetEntries());

int fPart = fPrint;

int totaltracks = 0;

while (i<cNeve){

 t-> GetEntry(i); // Read the content of the event from the file

 fList[0]= mevent->GetParticleList();

 event();

 int progress = (100*i)/cNeve;

 if (i%10000==0) send_message(2, TString::Format("Event %d\n",i), progress);

 int nprt=0;

 if (nev>100) fPrint = 0; // disable particle prints for huge numer of events

 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);

 for(TIter next(fList[0]); BParticle * p =(BParticle *) next();) {

   nprt++;

   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()] );

 }

 if (fPart) fHnprt->Fill(nprt);

 totaltracks += nprt;

 if (fPrint) {

   sprintf(sList,"%s</table>",sList);

   send_message(0, TString(sList),progress);

   nev++;

 }

 mevent-> Clear();  // Clear the memory.

 for (int k=0;k<100;k++) if (fList[k]!=0) fList[k]->Clear();

 i++;

}

double avgtracks=(i)?float(totaltracks)/i:0;

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);

if (fPart) send_message(1,TBufferJSON::ConvertToJSON(fHnprt),100 );

for (int i=0;i<100;i++) if (fH[i]!=0) send_message(1,TBufferJSON::ConvertToJSON(fH[i]),100 );

TDatime d;

timer.Stop();

send_message(3, TString::Format("'%s', %d, %f, %f", d.AsSQLString(),i, timer.RealTime(), timer.CpuTime() ),100);

}