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Commit | Line | Data |
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be9c5115 | 1 | #ifndef __CINT__ |
2 | #include "alles.h" | |
3 | #endif | |
4 | ||
cc80f89e | 5 | struct GoodTrack { |
6 | Int_t lab; | |
7 | Int_t code; | |
8 | Float_t px,py,pz; | |
9 | Float_t x,y,z; | |
10 | }; | |
11 | Int_t good_tracks(GoodTrack *gt, Int_t max); | |
12 | ||
73042f01 | 13 | Int_t AliTPCComparison() { |
9b280d80 | 14 | cerr<<"Doing comparison...\n"; |
15 | Int_t i; | |
cf98c13f | 16 | gBenchmark->Start("AliTPCComparison"); |
8c555625 | 17 | |
73042f01 | 18 | TFile *cf=TFile::Open("AliTPCclusters.root"); |
19 | if (!cf->IsOpen()) {cerr<<"Can't open AliTPCclusters.root !\n"; return 1;} | |
20 | AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60"); | |
21 | if (!digp) { cerr<<"TPC parameters have not been found !\n"; return 2; } | |
22 | ||
23 | // Load clusters | |
24 | AliTPCClustersArray *ca=new AliTPCClustersArray; | |
25 | ca->Setup(digp); | |
26 | ca->SetClusterType("AliTPCcluster"); | |
27 | ca->ConnectTree("Segment Tree"); | |
28 | Int_t nentr=Int_t(ca->GetTree()->GetEntries()); | |
be9c5115 | 29 | for (i=0; i<nentr; i++) ca->LoadEntry(i); |
8c555625 | 30 | |
73042f01 | 31 | // Load tracks |
32 | TFile *tf=TFile::Open("AliTPCtracks.root"); | |
33 | if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return 3;} | |
34 | TObjArray tarray(2000); | |
35 | TTree *tracktree=(TTree*)tf->Get("TreeT"); | |
36 | TBranch *tbranch=tracktree->GetBranch("tracks"); | |
cf98c13f | 37 | nentr=(Int_t)tracktree->GetEntries(); |
38 | ||
be9c5115 | 39 | AliTPCtrack *iotrack=0; |
73042f01 | 40 | for (i=0; i<nentr; i++) { |
be9c5115 | 41 | iotrack=new AliTPCtrack; |
73042f01 | 42 | tbranch->SetAddress(&iotrack); |
43 | tracktree->GetEvent(i); | |
44 | iotrack->CookLabel(ca); | |
45 | tarray.AddLast(iotrack); | |
46 | } | |
47 | tf->Close(); | |
48 | ||
49 | delete ca; | |
50 | cf->Close(); | |
8c555625 | 51 | |
52 | ///////////////////////////////////////////////////////////////////////// | |
c9b22865 | 53 | GoodTrack gt[15000]; |
cc80f89e | 54 | Int_t ngood=0; |
be9c5115 | 55 | ifstream in("good_tracks_tpc"); |
cc80f89e | 56 | if (in) { |
57 | cerr<<"Reading good tracks...\n"; | |
be9c5115 | 58 | while (in>>gt[ngood].lab>>gt[ngood].code>> |
59 | gt[ngood].px>>gt[ngood].py>>gt[ngood].pz>> | |
60 | gt[ngood].x >>gt[ngood].y >>gt[ngood].z) { | |
cc80f89e | 61 | ngood++; |
62 | cerr<<ngood<<'\r'; | |
c9b22865 | 63 | if (ngood==15000) { |
cc80f89e | 64 | cerr<<"Too many good tracks !\n"; |
65 | break; | |
66 | } | |
67 | } | |
be9c5115 | 68 | if (!in.eof()) cerr<<"Read error (good_tracks_tpc) !\n"; |
cc80f89e | 69 | } else { |
70 | cerr<<"Marking good tracks (this will take a while)...\n"; | |
c9b22865 | 71 | ngood=good_tracks(gt,15000); |
be9c5115 | 72 | ofstream out("good_tracks_tpc"); |
cc80f89e | 73 | if (out) { |
74 | for (Int_t ngd=0; ngd<ngood; ngd++) | |
be9c5115 | 75 | out<<gt[ngd].lab<<' '<<gt[ngd].code<<' '<< |
76 | gt[ngd].px<<' '<<gt[ngd].py<<' '<<gt[ngd].pz<<' '<< | |
77 | gt[ngd].x <<' '<<gt[ngd].y <<' '<<gt[ngd].z <<endl; | |
78 | } else cerr<<"Can not open file (good_tracks_tpc) !\n"; | |
cc80f89e | 79 | out.close(); |
be9c5115 | 80 | |
81 | cerr<<"Preparing tracks for matching with the ITS...\n"; | |
82 | tarray.Sort(); | |
83 | tf=TFile::Open("AliTPCtracks.root","recreate"); | |
84 | tracktree=new TTree("TreeT","Tree with TPC tracks"); | |
85 | tracktree->Branch("tracks","AliTPCtrack",&iotrack,32000,0); | |
86 | for (i=0; i<nentr; i++) { | |
87 | iotrack=(AliTPCtrack*)tarray.UncheckedAt(i); | |
88 | tracktree->Fill(); | |
89 | } | |
90 | tracktree->Write(); | |
91 | tf->Close(); | |
92 | ||
cc80f89e | 93 | } |
94 | cerr<<"Number of good tracks : "<<ngood<<endl; | |
95 | ||
cc80f89e | 96 | TH1F *hp=new TH1F("hp","PHI resolution",50,-20.,20.); hp->SetFillColor(4); |
97 | TH1F *hl=new TH1F("hl","LAMBDA resolution",50,-20,20);hl->SetFillColor(4); | |
8c555625 | 98 | TH1F *hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.); |
99 | hpt->SetFillColor(2); | |
cc80f89e | 100 | TH1F *hmpt=new TH1F("hmpt","Relative Pt resolution (pt>4GeV/c)",30,-60,60); |
101 | hmpt->SetFillColor(6); | |
8c555625 | 102 | |
be9c5115 | 103 | TH1F *hgood=new TH1F("hgood","Good tracks",30,0.1,6.1); |
104 | TH1F *hfound=new TH1F("hfound","Found tracks",30,0.1,6.1); | |
105 | TH1F *hfake=new TH1F("hfake","Fake tracks",30,0.1,6.1); | |
106 | TH1F *hg=new TH1F("hg","",30,0.1,6.1); //efficiency for good tracks | |
8c555625 | 107 | hg->SetLineColor(4); hg->SetLineWidth(2); |
be9c5115 | 108 | TH1F *hf=new TH1F("hf","Efficiency for fake tracks",30,0.1,6.1); |
8c555625 | 109 | hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2); |
110 | ||
cc80f89e | 111 | TH1F *he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.); |
9b280d80 | 112 | TH2F *hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,250.); |
be9c5115 | 113 | hep->SetMarkerStyle(8); |
114 | hep->SetMarkerSize(0.4); | |
8c555625 | 115 | |
cf98c13f | 116 | Int_t mingood = ngood; //MI change |
117 | Int_t * track_notfound = new Int_t[ngood]; | |
118 | Int_t itrack_notfound =0; | |
119 | Int_t * track_fake = new Int_t[ngood]; | |
120 | Int_t itrack_fake = 0; | |
121 | Int_t * track_multifound = new Int_t[ngood]; | |
122 | Int_t * track_multifound_n = new Int_t[ngood]; | |
123 | Int_t itrack_multifound =0; | |
124 | ||
cc80f89e | 125 | while (ngood--) { |
cf98c13f | 126 | Int_t lab=gt[ngood].lab,tlab=-1; |
cc80f89e | 127 | Float_t ptg= |
128 | TMath::Sqrt(gt[ngood].px*gt[ngood].px + gt[ngood].py*gt[ngood].py); | |
8c555625 | 129 | |
130 | hgood->Fill(ptg); | |
cc80f89e | 131 | |
cf98c13f | 132 | AliTPCtrack *track=0; |
73042f01 | 133 | for (i=0; i<nentr; i++) { |
cf98c13f | 134 | track=(AliTPCtrack*)tarray.UncheckedAt(i); |
73042f01 | 135 | tlab=track->GetLabel(); |
cc80f89e | 136 | if (lab==TMath::Abs(tlab)) break; |
8c555625 | 137 | } |
73042f01 | 138 | if (i==nentr) { |
be9c5115 | 139 | //cerr<<"Track "<<lab<<" was not found !\n"; |
cf98c13f | 140 | track_notfound[itrack_notfound++]=lab; |
cc80f89e | 141 | continue; |
142 | } | |
cf98c13f | 143 | |
144 | //MI change - addition | |
145 | Int_t micount=0; | |
146 | Int_t mi; | |
147 | AliTPCtrack * mitrack; | |
148 | for (mi=0; mi<nentr; mi++) { | |
149 | mitrack=(AliTPCtrack*)tarray.UncheckedAt(mi); | |
150 | if (lab==TMath::Abs(mitrack->GetLabel())) micount++; | |
151 | } | |
152 | if (micount>1) { | |
153 | //cout<<"Track no. "<<lab<<" found "<<micount<<" times\n"; | |
154 | track_multifound[itrack_multifound]=lab; | |
155 | track_multifound_n[itrack_multifound]=micount; | |
156 | itrack_multifound++; | |
157 | } | |
158 | ||
159 | ||
160 | // | |
cc80f89e | 161 | Double_t xk=gt[ngood].x;//digp->GetPadRowRadii(0,0); |
162 | track->PropagateTo(xk); | |
3c0f9266 | 163 | |
cc80f89e | 164 | if (lab==tlab) hfound->Fill(ptg); |
cf98c13f | 165 | else { |
166 | track_fake[itrack_fake++]=lab; | |
167 | hfake->Fill(ptg); | |
168 | //cerr<<lab<<" fake\n"; | |
169 | } | |
cc80f89e | 170 | |
be9c5115 | 171 | Double_t par[5]; track->GetExternalParameters(xk,par); |
172 | Float_t phi=TMath::ASin(par[2]) + track->GetAlpha(); | |
173 | if (phi<-TMath::Pi()) phi+=2*TMath::Pi(); | |
174 | if (phi>=TMath::Pi()) phi-=2*TMath::Pi(); | |
175 | Float_t lam=TMath::ATan(par[3]); | |
176 | Float_t pt_1=TMath::Abs(par[4]); | |
cc80f89e | 177 | |
178 | if (TMath::Abs(gt[ngood].code)==11 && ptg>4.) { | |
be9c5115 | 179 | hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.); |
cc80f89e | 180 | } else { |
181 | Float_t phig=TMath::ATan2(gt[ngood].py,gt[ngood].px); | |
cc80f89e | 182 | hp->Fill((phi - phig)*1000.); |
3c0f9266 | 183 | |
cc80f89e | 184 | Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg); |
cc80f89e | 185 | hl->Fill((lam - lamg)*1000.); |
186 | ||
be9c5115 | 187 | hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.); |
cc80f89e | 188 | } |
73042f01 | 189 | |
be9c5115 | 190 | Float_t mom=1./(pt_1*TMath::Cos(lam)); |
73042f01 | 191 | Float_t dedx=track->GetdEdx(); |
cc80f89e | 192 | hep->Fill(mom,dedx,1.); |
193 | if (TMath::Abs(gt[ngood].code)==211) | |
194 | if (mom>0.4 && mom<0.5) { | |
195 | he->Fill(dedx,1.); | |
196 | } | |
73042f01 | 197 | |
cc80f89e | 198 | } |
199 | ||
cf98c13f | 200 | |
cc80f89e | 201 | Stat_t ng=hgood->GetEntries(); cerr<<"Good tracks "<<ng<<endl; |
202 | Stat_t nf=hfound->GetEntries(); | |
203 | if (ng!=0) | |
cf98c13f | 204 | cerr<<"\n\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n"; |
205 | ||
206 | //MI change - addition | |
207 | cout<<"Total number of found tracks ="<<nentr<<"\n"; | |
208 | cout<<"Total number of \"good\" tracks ="<<mingood<<"\n"; | |
209 | ||
210 | ||
211 | cout<<"\nList of Not found tracks :\n"; | |
212 | // Int_t i; | |
213 | for ( i = 0; i< itrack_notfound; i++){ | |
214 | cout<<track_notfound[i]<<"\t"; | |
215 | if ((i%5)==4) cout<<"\n"; | |
216 | } | |
217 | cout<<"\nList of fake tracks :\n"; | |
218 | for ( i = 0; i< itrack_fake; i++){ | |
219 | cout<<track_fake[i]<<"\t"; | |
220 | if ((i%5)==4) cout<<"\n"; | |
221 | } | |
222 | cout<<"\nList of multiple found tracks :\n"; | |
223 | for ( i=0; i<itrack_multifound; i++) { | |
224 | cout<<"id. "<<track_multifound[i]<<" found - "<<track_multifound_n[i]<<"times\n"; | |
225 | } | |
226 | cout<<"\n\n\n"; | |
8c555625 | 227 | |
cf98c13f | 228 | |
8c555625 | 229 | gStyle->SetOptStat(111110); |
230 | gStyle->SetOptFit(1); | |
231 | ||
232 | TCanvas *c1=new TCanvas("c1","",0,0,700,850); | |
233 | ||
234 | TPad *p1=new TPad("p1","",0,0.3,.5,.6); p1->Draw(); | |
235 | p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10); | |
236 | hp->SetFillColor(4); hp->SetXTitle("(mrad)"); hp->Fit("gaus"); c1->cd(); | |
237 | ||
238 | TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw(); | |
239 | p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10); | |
240 | hl->SetXTitle("(mrad)"); hl->Fit("gaus"); c1->cd(); | |
241 | ||
242 | TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw(); | |
243 | p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10); | |
244 | hpt->SetXTitle("(%)"); hpt->Fit("gaus"); c1->cd(); | |
245 | ||
246 | TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw(); | |
247 | p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10); | |
cc80f89e | 248 | hmpt->SetXTitle("(%)"); hmpt->Fit("gaus"); c1->cd(); |
8c555625 | 249 | |
250 | TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd(); | |
3c0f9266 | 251 | p5->SetFillColor(41); p5->SetFrameFillColor(10); |
8c555625 | 252 | hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2(); |
253 | hg->Divide(hfound,hgood,1,1.,"b"); | |
254 | hf->Divide(hfake,hgood,1,1.,"b"); | |
255 | hg->SetMaximum(1.4); | |
256 | hg->SetYTitle("Tracking efficiency"); | |
257 | hg->SetXTitle("Pt (GeV/c)"); | |
258 | hg->Draw(); | |
259 | ||
9b280d80 | 260 | TLine *line1 = new TLine(0.1,1.0,6.1,1.0); line1->SetLineStyle(4); |
8c555625 | 261 | line1->Draw("same"); |
9b280d80 | 262 | TLine *line2 = new TLine(0.1,0.9,6.1,0.9); line2->SetLineStyle(4); |
8c555625 | 263 | line2->Draw("same"); |
264 | ||
265 | hf->SetFillColor(1); | |
266 | hf->SetFillStyle(3013); | |
267 | hf->SetLineColor(2); | |
268 | hf->SetLineWidth(2); | |
269 | hf->Draw("histsame"); | |
270 | TText *text = new TText(0.461176,0.248448,"Fake tracks"); | |
271 | text->SetTextSize(0.05); | |
272 | text->Draw(); | |
273 | text = new TText(0.453919,1.11408,"Good tracks"); | |
274 | text->SetTextSize(0.05); | |
275 | text->Draw(); | |
3c0f9266 | 276 | |
277 | ||
278 | ||
279 | TCanvas *c2=new TCanvas("c2","",320,32,530,590); | |
280 | ||
281 | TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw(); | |
282 | p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10); | |
283 | he->SetFillColor(2); he->SetFillStyle(3005); | |
284 | he->SetXTitle("Arbitrary Units"); | |
285 | he->Fit("gaus"); c2->cd(); | |
286 | ||
287 | TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw(); | |
288 | p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10); | |
289 | hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)"); | |
290 | hep->Draw(); c1->cd(); | |
291 | ||
cf98c13f | 292 | gBenchmark->Stop("AliTPCComparison"); |
293 | gBenchmark->Show("AliTPCComparison"); | |
294 | ||
295 | ||
73042f01 | 296 | return 0; |
cc80f89e | 297 | } |
3c0f9266 | 298 | |
cc80f89e | 299 | |
300 | Int_t good_tracks(GoodTrack *gt, Int_t max) { | |
cc80f89e | 301 | Int_t nt=0; |
302 | ||
9b280d80 | 303 | //TFile *file=TFile::Open("rfio:galice.root"); |
304 | TFile *file=TFile::Open("galice.root"); | |
73042f01 | 305 | if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; exit(4);} |
306 | ||
307 | if (!(gAlice=(AliRun*)file->Get("gAlice"))) { | |
308 | cerr<<"gAlice have not been found on galice.root !\n"; | |
309 | exit(5); | |
310 | } | |
311 | ||
be9c5115 | 312 | Int_t np=gAlice->GetEvent(0); |
cc80f89e | 313 | |
73042f01 | 314 | AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC"); |
315 | Int_t ver = TPC->IsVersion(); | |
316 | cerr<<"TPC version "<<ver<<" has been found !\n"; | |
317 | ||
318 | AliTPCParam *digp=(AliTPCParam*)file->Get("75x40_100x60"); | |
319 | if (!digp) { cerr<<"TPC parameters have not been found !\n"; exit(6); } | |
320 | TPC->SetParam(digp); | |
321 | ||
322 | Int_t nrow_up=digp->GetNRowUp(); | |
323 | Int_t nrows=digp->GetNRowLow()+nrow_up; | |
324 | Int_t zero=digp->GetZeroSup(); | |
cc80f89e | 325 | Int_t gap=Int_t(0.125*nrows); |
326 | Int_t good_number=Int_t(0.4*nrows); | |
327 | ||
cc80f89e | 328 | Int_t *good=new Int_t[np]; |
329 | for (Int_t ii=0; ii<np; ii++) good[ii]=0; | |
330 | ||
cf98c13f | 331 | |
332 | //MI change to be possible compile macro | |
333 | //definition out of the swith statemnet | |
334 | Int_t sectors_by_rows=0; | |
335 | TTree *TD=0; | |
336 | AliSimDigits da, *digits=&da; | |
337 | Int_t *count=0; | |
cc80f89e | 338 | switch (ver) { |
339 | case 1: | |
73042f01 | 340 | { |
341 | TFile *cf=TFile::Open("AliTPCclusters.root"); | |
342 | if (!cf->IsOpen()){cerr<<"Can't open AliTPCclusters.root !\n";exit(5);} | |
343 | AliTPCClustersArray *ca=new AliTPCClustersArray; | |
344 | ca->Setup(digp); | |
345 | ca->SetClusterType("AliTPCcluster"); | |
346 | ca->ConnectTree("Segment Tree"); | |
347 | Int_t nrows=Int_t(ca->GetTree()->GetEntries()); | |
348 | for (Int_t n=0; n<nrows; n++) { | |
349 | AliSegmentID *s=ca->LoadEntry(n); | |
350 | Int_t sec,row; | |
351 | digp->AdjustSectorRow(s->GetID(),sec,row); | |
352 | AliTPCClustersRow &clrow = *ca->GetRow(sec,row); | |
353 | Int_t ncl=clrow.GetArray()->GetEntriesFast(); | |
354 | while (ncl--) { | |
355 | AliTPCcluster *c=(AliTPCcluster*)clrow[ncl]; | |
b7239550 | 356 | Int_t lab=c->GetLabel(0); |
73042f01 | 357 | if (lab<0) continue; //noise cluster |
358 | lab=TMath::Abs(lab); | |
359 | if (sec>=digp->GetNInnerSector()) | |
360 | if (row==nrow_up-1 ) good[lab]|=0x1000; | |
361 | if (sec>=digp->GetNInnerSector()) | |
362 | if (row==nrow_up-1-gap) good[lab]|=0x800; | |
363 | good[lab]++; | |
364 | } | |
365 | ca->ClearRow(sec,row); | |
cc80f89e | 366 | } |
73042f01 | 367 | cf->Close(); |
368 | } | |
cc80f89e | 369 | break; |
370 | case 2: | |
cf98c13f | 371 | TD=(TTree*)gDirectory->Get("TreeD_75x40_100x60"); |
cc80f89e | 372 | TD->GetBranch("Segment")->SetAddress(&digits); |
cf98c13f | 373 | count = new Int_t[np]; |
cc80f89e | 374 | Int_t i; |
375 | for (i=0; i<np; i++) count[i]=0; | |
cf98c13f | 376 | sectors_by_rows=(Int_t)TD->GetEntries(); |
cc80f89e | 377 | for (i=0; i<sectors_by_rows; i++) { |
378 | if (!TD->GetEvent(i)) continue; | |
379 | Int_t sec,row; | |
380 | digp->AdjustSectorRow(digits->GetID(),sec,row); | |
381 | cerr<<sec<<' '<<row<<" \r"; | |
382 | digits->First(); | |
9b280d80 | 383 | do { //Many thanks to J.Chudoba who noticed this |
cc80f89e | 384 | Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn(); |
385 | Short_t dig = digits->GetDigit(it,ip); | |
386 | Int_t idx0=digits->GetTrackID(it,ip,0); | |
387 | Int_t idx1=digits->GetTrackID(it,ip,1); | |
388 | Int_t idx2=digits->GetTrackID(it,ip,2); | |
389 | if (idx0>=0 && dig>=zero) count[idx0]+=1; | |
390 | if (idx1>=0 && dig>=zero) count[idx1]+=1; | |
391 | if (idx2>=0 && dig>=zero) count[idx2]+=1; | |
9b280d80 | 392 | } while (digits->Next()); |
cc80f89e | 393 | for (Int_t j=0; j<np; j++) { |
394 | if (count[j]>1) { | |
395 | if (sec>=digp->GetNInnerSector()) | |
cf98c13f | 396 | if (row==nrow_up-1 ) good[j]|=0x1000; |
cc80f89e | 397 | if (sec>=digp->GetNInnerSector()) |
cf98c13f | 398 | if (row==nrow_up-1-gap) good[j]|=0x800; |
cc80f89e | 399 | good[j]++; |
400 | } | |
401 | count[j]=0; | |
402 | } | |
403 | } | |
404 | delete[] count; | |
405 | break; | |
406 | default: | |
407 | cerr<<"Invalid TPC version !\n"; | |
73042f01 | 408 | file->Close(); |
409 | exit(7); | |
cc80f89e | 410 | } |
411 | ||
412 | TTree *TH=gAlice->TreeH(); | |
cf98c13f | 413 | Int_t npart=(Int_t)TH->GetEntries(); |
cc80f89e | 414 | |
415 | while (npart--) { | |
cf98c13f | 416 | AliTPChit *hit0=0; |
417 | ||
cc80f89e | 418 | TPC->ResetHits(); |
419 | TH->GetEvent(npart); | |
cf98c13f | 420 | AliTPChit * hit = (AliTPChit*) TPC->FirstHit(-1); |
421 | while (hit){ | |
422 | if (hit->fQ==0.) break; | |
423 | hit = (AliTPChit*) TPC->NextHit(); | |
424 | } | |
425 | if (hit) { | |
426 | hit0 = new AliTPChit(*hit); //Make copy of hit | |
427 | hit = hit0; | |
428 | } | |
429 | else continue; | |
430 | AliTPChit *hit1=(AliTPChit*)TPC->NextHit(); | |
431 | if (hit1==0) continue; | |
cc80f89e | 432 | if (hit1->fQ != 0.) continue; |
10e5e16f | 433 | Int_t i=hit->Track(); |
c9b22865 | 434 | TParticle *p = (TParticle*)gAlice->Particle(i); |
435 | ||
cc80f89e | 436 | if (p->GetFirstMother()>=0) continue; //secondary particle |
437 | if (good[i] < 0x1000+0x800+2+good_number) continue; | |
438 | if (p->Pt()<0.100) continue; | |
439 | if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue; | |
440 | ||
441 | gt[nt].lab=i; | |
442 | gt[nt].code=p->GetPdgCode(); | |
443 | //**** px py pz - in global coordinate system, x y z - in local ! | |
10e5e16f | 444 | gt[nt].px=hit->X(); gt[nt].py=hit->Y(); gt[nt].pz=hit->Z(); |
cc80f89e | 445 | Float_t cs,sn; digp->AdjustCosSin(hit1->fSector,cs,sn); |
10e5e16f | 446 | gt[nt].x = hit1->X()*cs + hit1->Y()*sn; |
447 | gt[nt].y =-hit1->X()*sn + hit1->Y()*cs; | |
448 | gt[nt].z = hit1->Z(); | |
cf98c13f | 449 | nt++; |
450 | if (hit0) delete hit0; | |
cc80f89e | 451 | cerr<<i<<" \r"; |
452 | if (nt==max) {cerr<<"Too many good tracks !\n"; break;} | |
453 | } | |
454 | delete[] good; | |
73042f01 | 455 | |
be9c5115 | 456 | delete gAlice; gAlice=0; |
73042f01 | 457 | |
458 | file->Close(); | |
cf98c13f | 459 | gBenchmark->Stop("AliTPCComparison"); |
460 | gBenchmark->Show("AliTPCComparison"); | |
cc80f89e | 461 | return nt; |
8c555625 | 462 | } |
463 | ||
73042f01 | 464 | |
465 |