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pam-de |
1.1 |
void ToFLevel2Ex(){ |
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/* |
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* |
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* This script shows how use ToFLevel2 output without using PamLevel2 software |
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* Notice that here no selection on image tracks is applied |
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* All methods and all variables usage are shown |
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* |
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*/ |
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/* Some plot just as example */ |
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// Beta versus Rigidity |
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TH2F* BetaRig= new TH2F("BetaRig","Beta versus Rigidity",1000,0.1,10.,520,-1.3,1.3); |
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// dEdx == adc_c measurement |
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TH1F* ADChisto= new TH1F("ADChisto","ADChisto",10,0.,20.); |
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TH1F* TestHisto = new TH1F("TestHisto","TestHisto",500,0.,5000.); |
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gStyle->SetOptStat(111111); |
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TrkLevel2* trk_event = new TrkLevel2(); |
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ToFLevel2* tof_event = new ToFLevel2(); |
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TChain *T = new TChain("Tracker"); |
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TChain *C = new TChain("ToF"); |
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T->Add("./8212.Level2.root"); |
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C->Add("./8212.Level2.root"); |
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T->SetBranchAddress("TrkLevel2", &trk_event); // set tracker event adrss |
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C->SetBranchAddress("ToFLevel2", &tof_event); // set ToF event adrss |
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T->AddFriend(C); // make the trees friends |
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Int_t nevent = T->GetEntries(); |
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cout << " Events in Tracker Tree " << nevent << endl; |
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Int_t ntofevent = C->GetEntries(); |
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cout << " Events in ToF Tree " << ntofevent << endl; |
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int j = 0; |
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int k = 0; |
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// for (Int_t ii=0; ii<nevent;ii++){ |
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for (Int_t ii=0; ii<1000;ii++){ |
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T->GetEntry(ii); |
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/* |
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* infos in ToFLevel2 class |
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* |
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*/ |
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// j flag: it's a decoded value (array wioth 6 elements); |
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// for each layer, it summed up if there |
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// are more than one hit per layer |
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// tof11_j = tof11_j + 2**(i-1) |
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for(Int_t i=0; i<6; i++) |
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Int_t tof11_j = tof_event->tof_j_flag[i]; |
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/* |
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* if you need informations from ToF and Tracker, |
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* you have to read both the detector classes |
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*/ |
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/* ToFTrkVar is the track related class */ |
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for (Int_t it=0; it<tof_event->ntrk() ; it++){ |
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ToFTrkVar *tof = tof_event->GetToFTrkVar(it); |
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/* trkseqno = index to get ToF alone or ToF+Tracker informations */ |
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/* |
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* trkseqno ==-1 -> ToF alone informations |
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* trkseqno !=-1 correspond to the Tracker track index |
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*/ |
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// cout << " Index " << tof->trkseqno << endl; |
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/* Get Tracker information if it exist */ |
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Int_t trkgood = 0; |
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if(tof->trkseqno != -1){ |
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TrkTrack *trk = trk_event->GetStoredTrack(tof->trkseqno); |
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/* Select "good" Tracker tracks" */ |
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if(trk->chi2 > 0 && |
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trk->chi2 < 100 && |
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trk->GetNX() >= 4 && |
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trk->GetNY() >= 3 && |
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trk->xgood[0] && |
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(trk->xgood[5] || trk->xgood[4]) && |
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trk->al[4] != 0.) |
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{ |
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trkgood = 1; |
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} |
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} |
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// Beta measurement based on ToF alone |
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/* |
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* beta is an array with 13 elements; |
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* 12 correspond to the several planes combinations as described below; |
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* the last one is a mean value |
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*/ |
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/* |
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* |
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* S11 - S31 = tof->beta[0] |
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* S11 - S32 = tof->beta[1] |
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* S12 - S31 = tof->beta[2] |
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* S12 - S32 = tof->beta[3] |
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* S21 - S31 = tof->beta[4] |
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* S21 - S32 = tof->beta[5] |
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* S22 - S31 = tof->beta[6] |
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* S22 - S32 = tof->beta[7] |
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* S11 - S21 = tof->beta[8] |
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* S11 - S22 = tof->beta[9] |
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* S12 - S21 = tof->beta[10] |
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* S12 - S22 = tof->beta[11] |
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* |
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*/ |
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Int_t ll = 0; |
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Int_t mm = 0; |
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/* |
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* to get the same information for tracks from Tracker set: |
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* if(tof->trkseqno==0) for the first tracker track; |
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* if(tof->trkseqno==1) for the second tracker track; |
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*/ |
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if(tof->trkseqno == -1){ |
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for (Int_t k=0; k<13 ; k++){ |
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Float_t Beta = tof->beta[k]; |
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// cout << "Beta " << Beta << endl; |
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} |
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} |
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/* |
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* read the pmtid for the tdc used in evaluate beta |
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* for the first tracker track |
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*/ |
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Float_t tdcflagm[4][12]; |
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for (Int_t j=0; j<4; j++){ |
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for (Int_t k=0; k<12; k++){ |
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tdcflagm[j][k]=0; |
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} |
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} |
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if(tof->trkseqno == 0){ |
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// npmttdc = number of pmt used for beta evaluation |
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for (Int_t ipmtt=0; ipmtt<tof->npmttdc; ipmtt++){ |
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// you can read the pmtid for the tdc used in evaluate beta |
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Int_t pmttdc = tof->pmttdc[ipmtt]; |
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// printf("pmttdc %d\n",pmttdc); |
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Int_t tdcflag = tof->tdcflag[ipmtt]; |
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if(tdcflag!=0) { |
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// cout << " TDC " << tof->tdcflag[ipmtt] << " " << tdcflag << " " << pmttdc << endl; |
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ll=0; |
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mm=0; |
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tof_event->GetPMTIndex(pmttdc,ll,mm); |
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cout<<"pmttdc tdcflag "<<pmttdc<<" "<<tdcflag<<endl; |
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tdcflagm[mm][ll]= tdcflag; |
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} |
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/* |
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* Method to get Plane Index from a pmtid; |
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* here is shown for a pmtid corresponding to |
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* the tdc used in beta evaluation |
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*/ |
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Int_t pmt_plane=tof_event->GetPlaneIndex(pmttdc); |
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} |
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} |
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ll = 0; |
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mm = 0; |
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/* |
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* dEdx for each PMT with signal; |
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* this value coprresponds to the signal from a single pmt |
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*/ |
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Float_t adc2[4][12]; |
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if(tof->trkseqno == 0){ |
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// npmtadc = number of pmt used for dEdx evaluation |
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for (Int_t ipmta=0; ipmta<tof->npmtadc; ipmta++){ |
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// dedx = adc_c |
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Float_t dEdx = tof->dedx[ipmta]; |
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// printf("dEdx %f %f\n",tof->dedx[ipmta],dEdx); |
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// you can read the pmtid for the adc used in evaluate dedx=adc_c |
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Int_t pmtadc = tof->pmtadc[ipmta]; |
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// printf("pmtadc %d\n",tof->pmtadc[ipmta]); |
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Int_t adcflag = tof->adcflag[ipmta]; |
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// cout << " ADC " << adcflag << " " << pmtadc << " " << dEdx << endl; |
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if(ipmta == 1) { |
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ADChisto->Fill(tof->dedx[ipmta]); |
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} |
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/* |
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to get pmt index in terms of matrix index |
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from pmtid |
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*/ |
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tof_event->GetPMTIndex(pmtadc,ll,mm); |
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adc2[mm][ll] = tof->dedx[ipmta]; |
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/* |
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to get pmt index from matrix index |
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*/ |
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tof_event->GetPMTid(ll,mm); |
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Int_t ind = tof_event->GetPMTid(ll,mm); |
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/* |
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to get pmt name from pmtid |
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*/ |
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tof_event->GetPMTName(pmtadc); |
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// cout << tof_event->GetPMTName(pmtadc) << endl; |
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} |
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} |
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// Position measurement based on ToF hits |
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/* |
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* to get the same information for tracks from Tracker set: |
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* if(tof->trkseqno==0) for the first tracker track; |
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* if(tof->trkseqno==1) for the second tracker track; |
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*/ |
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if(tof->trkseqno==-1){ |
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for (Int_t j=0; j<3; j++){ |
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Float_t xtofpos = tof->xtofpos[j]; |
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Float_t ytofpos = tof->ytofpos[j]; |
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// printf("xtofpos %f %f %d\n",xtofpos,tof->xtofpos[j],ii); |
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// printf("ytofpos %f %f %d\n",ytofpos,tof->ytofpos[j],ii); |
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} |
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} |
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// Beta versus Rigidity |
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/* |
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* for the first tracker track tof->trkseqno == 0 |
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* for the second tracker track tof->trkseqno == 1 |
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* and so on... |
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*/ |
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if(tof->trkseqno == 0 && trkgood==1){ |
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BetaRig->Fill( trk->GetRigidity(), tof->beta[4]); |
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} |
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/* |
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* Method to get the dEdx on a ToF plane. |
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* It is evaluated as sum of all adc signals on the plane |
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* after corrections; its usage is not advised; |
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* This method will be modified in the next ToFLevel2 release |
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*/ |
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if(tof->trkseqno == 0 && trkgood==1){ |
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for (Int_t plane=0; plane<13; plane++){ |
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Float_t MethoddEdx=tof_event->GetdEdx(it,plane); // it is the index for |
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// tof_event->ntrk() |
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} |
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} |
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// fill adc and tdc using getmatrix |
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Float_t adc[4][12]; |
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Float_t tdc[4][12]; |
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tof_event->GetMatrix(it,adc,tdc); // it is the index for tof_event->ntrk$ |
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for (Int_t j=0; j<4; j++){ |
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for (Int_t k=0; k<12; k++){ |
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Int_t ind = tof_event->GetPMTid(j,k); |
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if (tdc[j][k] < 4095) cout<<ind<<" "<<tdc[j][k]<<" "<<tdcflagm[j][k]<<endl; |
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} |
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} |
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cout<<"==================="<<endl; |
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} // end loop over tracks |
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Int_t nnpmt = tof_event->npmt(); |
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Float_t adct[48]; |
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Float_t tdct[48]; |
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/* |
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* ToFPMT is the PMT related class |
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*/ |
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for (Int_t ipmt=0; ipmt<tof_event->npmt() ; ipmt++){ |
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/* |
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tof_event->npmt() is the number of PMT with at least a TDC signal |
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*/ |
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ToFPMT *tofpmt = tof_event->GetToFPMT(ipmt); |
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// for each PMT with a signal, tofpmt->adc gives the raw adc |
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adct[ipmt]=tofpmt->adc; |
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// for each PMT with a signal, tofpmt->tdc_tw gives the tdc after Time-walk correction |
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tdct[ipmt]=tofpmt->tdc_tw; |
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TestHisto->Fill(adct[2]); |
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} |
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/* |
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* Some useful Methods (Examples): |
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*/ |
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Int_t nplane = 6; |
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Int_t npaddle = 8; |
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for (Int_t idpl=0; idpl< nplane; idpl++){ |
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/* |
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* Method to get the number of hit paddles on a ToF plane. |
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* @param plane Plane ID (11, 12, 21, 22, 31, 32) or Plane index (0,1,2,3,4,5). |
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* it is evaluated for each event in the run |
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*/ |
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Int_t NHit = tof_event->GetNHitPaddles(idpl); |
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// printf("Number of Hit, idPlane %d %d %d %d\n",NHit,idpl,ii,it); |
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/** |
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* Method to get the plane ID (11 12 21 22 31 32) from the plane index (0 1 2 3 4 5) |
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*/ |
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Int_t ToFPlaneID=tof_event->GetToFPlaneID(idpl); |
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// printf("ToFPlaneID, idPlane %d %d\n",ToFPlaneID,idpl); |
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} |
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/* |
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* Method to know if a given ToF paddle was hit, that is there is a TDC signal |
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* from both PMTs |
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* @param plane Plane ID (11, 12, 21, 22, 31, 32) or Plane index (0,1,2,3,4,5). |
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* @param paddle_id Paddle ID. |
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* @return 1 if the paddle was hit. |
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*/ |
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for (Int_t idpad=0; idpad< npaddle; idpad++){ |
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Int_t HitPad = tof_event->HitPaddle(idpl,idpad); |
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// printf("Hit Pad %d %d %d\n",HitPad,idpl,idpad); |
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} |
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/** |
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* Method to get the plane index (0 1 2 3 4 5) from the plane ID (11 12 21 22 31 32) |
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*/ |
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Int_t plane_id=11; |
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Int_t ToFPlaneIndex = tof_event->GetToFPlaneIndex(plane_id); |
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// printf("Plane Index %d %d\n",ToFPlaneIndex,plane_id); |
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} // end loop over events |
384 |
|
|
|
385 |
|
|
TCanvas *BetaRigCanvas = new TCanvas("BetaRigCanvas","BetaRigCanvas", 700, 800); |
386 |
|
|
BetaRigCanvas->cd(); |
387 |
|
|
BetaRig->Draw(); |
388 |
|
|
|
389 |
|
|
TCanvas *SCanvas = new TCanvas("SCanvas","SCanvas", 700, 800); |
390 |
|
|
SCanvas->cd(); |
391 |
|
|
ADChisto->Draw(); |
392 |
|
|
|
393 |
|
|
TCanvas *TestCanvas = new TCanvas("TestCanvas","TestCanvas", 700, 800); |
394 |
|
|
TestCanvas->cd(); |
395 |
|
|
TestHisto->Draw(); |
396 |
|
|
} |