| 43c9dae1 |
1 | void AliVertexerTracksTest(TString outname="AliVertexerTracksTest.root", |
| 2 | Bool_t tpconly=kTRUE, |
| fee9ef0d |
3 | Bool_t useMeanVtx=kFALSE, |
| 43c9dae1 |
4 | Double_t nSigma=3., |
| fee9ef0d |
5 | Int_t itsrefit=1, |
| 6 | Double_t maxd0z0=0.5, |
| 7 | Int_t minitscls=5, |
| 8 | Int_t mintracks=1, |
| fee9ef0d |
9 | Bool_t onlyfit=kFALSE) { |
| 820252d7 |
10 | //------------------------------------------------------------------------ |
| 11 | // Run vertex reconstruction and store results in histos and ntuple |
| 12 | //------------------------------------------------------------------------ |
| fee9ef0d |
13 | // WITHOUT Kinematics.root |
| 14 | // |
| 43c9dae1 |
15 | AliGeomManager::LoadGeometry("geometry.root"); |
| 16 | |
| 820252d7 |
17 | if (gAlice) { |
| 33c3c91a |
18 | delete AliRunLoader::Instance(); |
| 820252d7 |
19 | delete gAlice; |
| 20 | gAlice=0; |
| 21 | } |
| 22 | |
| 23 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); |
| 24 | if (rl == 0x0) { |
| 25 | cerr<<"Can not open session"<<endl; |
| 26 | return; |
| 27 | } |
| 28 | Int_t retval = rl->LoadgAlice(); |
| 29 | if (retval) { |
| 30 | cerr<<"LoadgAlice returned error"<<endl; |
| 31 | delete rl; |
| 32 | return; |
| 33 | } |
| 34 | retval = rl->LoadHeader(); |
| 35 | if (retval) { |
| 36 | cerr<<"LoadHeader returned error"<<endl; |
| 37 | delete rl; |
| 38 | return; |
| 39 | } |
| 40 | gAlice=rl->GetAliRun(); |
| fee9ef0d |
41 | |
| 42 | //rl->LoadKinematics(); |
| 43 | |
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44 | // Get field from galice.root |
| 45 | AliMagF *fiel = (AliMagF*)gAlice->Field(); |
| 46 | // Set the conversion constant between curvature and Pt |
| 47 | AliTracker::SetFieldMap(fiel,kTRUE); |
| 48 | |
| 49 | //**** Switch on the PID class |
| 50 | AliPID pid; |
| 51 | |
| 52 | Int_t nEvents = (Int_t)rl->GetNumberOfEvents(); |
| 53 | |
| 54 | Double_t truevtx[3]; |
| 55 | Double_t vtx[3]; |
| 56 | Double_t errvtx[3]; |
| 57 | Double_t diffX,diffY,diffZ; |
| 58 | Double_t diffXerr,diffYerr,diffZerr; |
| fee9ef0d |
59 | Float_t multiplicity; |
| 60 | Float_t chi2red; |
| 61 | Int_t ntracklets; |
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62 | Int_t nc; |
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63 | Int_t triggered; |
| 820252d7 |
64 | |
| 65 | // Histograms |
| 66 | TH1F *hdiffX = new TH1F("hdiffX","x_{found} - x_{true} [#mum]",1000,-5000,5000); |
| 67 | TH1F *hdiffY = new TH1F("hdiffY","y_{found} - y_{true} [#mum]",1000,-5000,5000); |
| 68 | TH1F *hdiffZ = new TH1F("hdiffZ","z_{found} - z_{true} [#mum]",1000,-5000,5000); |
| 69 | |
| 70 | TH1F *hdiffXerr = new TH1F("hdiffXerr","#Delta x/#sigma_{x}",100,-5,5); |
| 71 | TH1F *hdiffYerr = new TH1F("hdiffYerr","#Delta y/#sigma_{y}",100,-5,5); |
| 72 | TH1F *hdiffZerr = new TH1F("hdiffZerr","#Delta z/#sigma_{z}",100,-5,5); |
| 73 | |
| 74 | //TNtple |
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75 | TNtuple *ntVtxRes = new TNtuple("ntVtxRes","Vertex Resolution's Ntupla with multiplicity","triggered:ntracks:nitstracks:nitstracks5or6:diffX:diffY:diffZ:diffXerr:diffYerr:diffZerr:multiplicity:nc:zMC:chi2red"); |
| 820252d7 |
76 | |
| 77 | |
| 78 | |
| 79 | // ----------- Create vertexer -------------------------- |
| 80 | AliESDVertex *initVertex = 0; |
| 81 | if(useMeanVtx) { |
| 82 | // open the mean vertex |
| 83 | TFile *invtx = new TFile("AliESDVertexMean.root"); |
| 84 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); |
| 85 | invtx->Close(); |
| 86 | delete invtx; |
| 87 | } else { |
| 88 | Double_t pos[3]={0.5,0.5,0.}; |
| 89 | Double_t err[3]={3.,3.,5.}; |
| 90 | initVertex = new AliESDVertex(pos,err); |
| 91 | } |
| 28e4388a |
92 | AliVertexerTracks *vertexer = new AliVertexerTracks(AliTracker::GetBz()); |
| fee9ef0d |
93 | vertexer->SetDebug(1); // set to 1 to see what it does |
| 820252d7 |
94 | vertexer->SetVtxStart(initVertex); |
| 0bf2e2b4 |
95 | if(!useMeanVtx) vertexer->SetConstraintOff(); |
| fee9ef0d |
96 | if(onlyfit) vertexer->SetOnlyFitter(); |
| 820252d7 |
97 | vertexer->SetNSigmad0(nSigma); |
| 43c9dae1 |
98 | if(!itsrefit || tpconly) vertexer->SetITSrefitNotRequired(); |
| fee9ef0d |
99 | vertexer->SetMinTracks(mintracks); |
| 100 | vertexer->SetMinITSClusters(minitscls); |
| 101 | vertexer->SetMaxd0z0(maxd0z0); |
| 820252d7 |
102 | //cout<<" Nsigma: "<<vertexer->GetNSigmad0()<<endl; |
| 820252d7 |
103 | //---------------------------------------------------------- |
| 104 | |
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105 | |
| 43c9dae1 |
106 | if(gSystem->AccessPathName("AliESDs_itstpc.root",kFileExists)) { |
| 107 | printf("AliESDs_itstpc.root not found!\n"); |
| 820252d7 |
108 | return; |
| 109 | } |
| 43c9dae1 |
110 | TFile *fin = TFile::Open("AliESDs_itstpc.root"); |
| 64cf164e |
111 | AliESDEvent *esd = new AliESDEvent(); |
| 820252d7 |
112 | TTree *esdTree = (TTree*)fin->Get("esdTree"); |
| 113 | if(!esdTree) return; |
| 64cf164e |
114 | esd->ReadFromTree(esdTree); |
| 820252d7 |
115 | Int_t events = esdTree->GetEntries(); |
| 116 | printf("Number of events in ESD tree: %d\n",events); |
| 117 | |
| 118 | TArrayF o; |
| 119 | |
| 120 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS |
| 121 | printf("-------------- EVENT %d --------------------\n",iev); |
| 122 | |
| 43c9dae1 |
123 | diffX=999999; |
| 124 | diffY=999999; |
| 125 | diffZ=999999; |
| 126 | diffXerr=999999; |
| 127 | diffYerr=999999; |
| 128 | diffZerr=999999; |
| 820252d7 |
129 | nc=0; |
| 130 | |
| 131 | //================================================= |
| 132 | // LOOK IN THE SIMULATION |
| 133 | // true vertex position |
| 134 | Int_t npart = (Int_t)gAlice->GetEvent(iev); |
| 135 | printf("particles %d\n",npart); |
| 136 | AliHeader *header = (AliHeader*)rl->GetHeader(); |
| 137 | AliGenPythiaEventHeader *pyheader = (AliGenPythiaEventHeader*)header->GenEventHeader(); |
| 138 | pyheader->PrimaryVertex(o); |
| 139 | truevtx[0] = o[0]; |
| 140 | truevtx[1] = o[1]; |
| 141 | truevtx[2] = o[2]; |
| 142 | printf("True Vertex: (%f, %f, %f)\n",o[0],o[1],o[2]); |
| 143 | |
| 144 | Double_t dNchdy = 0.; |
| 145 | multiplicity=0.; |
| 146 | Int_t nitstracks = 0; |
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147 | Int_t nitstracks1 = 0; |
| 148 | Int_t nitstracks2 = 0; |
| 149 | Int_t nitstracks3 = 0; |
| 150 | Int_t nitstracks4 = 0; |
| 151 | Int_t nitstracks5 = 0; |
| 152 | Int_t nitstracks6 = 0; |
| 153 | Int_t nitstracks5or6 = 0; |
| 820252d7 |
154 | |
| 155 | |
| 156 | esdTree->GetEvent(iev); |
| fee9ef0d |
157 | triggered=0; |
| 158 | chi2red=0.; |
| 159 | ULong64_t triggerMask = esd->GetTriggerMask(); |
| 160 | if(triggerMask&32 && ((triggerMask&1) || (triggerMask&2))) triggered=1; |
| 161 | |
| 162 | // get # of tracklets |
| 163 | AliMultiplicity *alimult = esd->GetMultiplicity(); |
| 164 | if(alimult) { |
| 165 | ntracklets = alimult->GetNumberOfTracklets(); |
| 166 | for(Int_t l=0;l<alimult->GetNumberOfTracklets();l++) |
| 167 | if(alimult->GetDeltaPhi(l)<-9998.) ntracklets--; |
| 168 | } else { |
| 169 | ntracklets = 0; |
| 170 | } |
| 171 | printf("Number of SPD tracklets in ESD %d : %d\n",iev,ntracklets); |
| 172 | multiplicity = (Float_t)ntracklets; |
| 173 | |
| 820252d7 |
174 | Int_t ntracks = esd->GetNumberOfTracks(); |
| 175 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); |
| 176 | if(ntracks==0) { |
| fee9ef0d |
177 | ntVtxRes->Fill(triggered,ntracks,nitstracks,nitstracks5or6,diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,multiplicity,nc,truevtx[2],chi2red); |
| 820252d7 |
178 | continue; |
| 179 | } |
| 180 | |
| 181 | // VERTEX |
| 43c9dae1 |
182 | AliESDVertex *vertex = 0; |
| 183 | if(!tpconly) { |
| 184 | vertex = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); |
| 185 | } else { |
| 186 | TObjArray trkArrayOrig(ntracks); |
| 187 | UShort_t *idOrig = new UShort_t[ntracks]; |
| 188 | const Double_t kRadius = 2.8; //something less than the beam pipe radius |
| 189 | const Double_t kMaxStep = 5; //max step over the material |
| 190 | Bool_t ok; |
| 191 | Int_t nTrksOrig=0; |
| 192 | for(Int_t i=0; i<ntracks; i++) { |
| 193 | AliESDtrack *esdt = esd->GetTrack(i); |
| 194 | AliExternalTrackParam *tpcTrack = |
| 195 | (AliExternalTrackParam *)esdt->GetTPCInnerParam(); |
| 196 | ok = kFALSE; |
| 197 | if (tpcTrack) |
| 198 | ok = AliTracker:: |
| 199 | PropagateTrackTo(tpcTrack,kRadius,esdt->GetMass(),kRadius,kTRUE); |
| 200 | if (ok) { |
| 201 | trkArrayOrig.AddLast(tpcTrack); |
| 202 | idOrig[nTrksOrig]=(UShort_t)esdt->GetID(); |
| 203 | nTrksOrig++; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | vertex = (AliESDVertex*)vertexer->FindPrimaryVertex(&trkArrayOrig,idOrig); |
| 208 | delete [] idOrig; |
| 209 | } |
| 210 | |
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211 | |
| 212 | nc = (Int_t)vertex->GetNContributors(); |
| fee9ef0d |
213 | if(nc>=2) chi2red = vertex->GetChi2toNDF(); |
| 820252d7 |
214 | printf("nc = %d\n",nc); |
| 215 | |
| 216 | |
| 217 | // count ITS tracks |
| 218 | for(Int_t itrk=0; itrk<ntracks; itrk++) { |
| 219 | AliESDtrack *esdtrack = (AliESDtrack*)esd->GetTrack(itrk); |
| 220 | UInt_t status = esdtrack->GetStatus(); |
| 221 | // only tracks found also in ITS |
| 222 | if(! (status&AliESDtrack::kITSin) ) continue; |
| 223 | nitstracks++; |
| 224 | Int_t npts = (Int_t)esdtrack->GetNcls(0); |
| 225 | if(npts==6) {nitstracks6++;nitstracks5or6++;} |
| 226 | if(npts==5) {nitstracks5++;nitstracks5or6++;} |
| 227 | if(npts==4) nitstracks4++; |
| 228 | if(npts==3) nitstracks3++; |
| 229 | if(npts==2) nitstracks2++; |
| 230 | if(npts==1) nitstracks1++; |
| 820252d7 |
231 | } |
| 232 | printf("Number of kITSin tracks in ESD %d : %d\n",iev,nitstracks); |
| 233 | printf(" 6 pts: %d\n",nitstracks6); |
| 234 | printf(" 5 pts: %d\n",nitstracks5); |
| 235 | printf(" 4 pts: %d\n",nitstracks4); |
| 236 | printf(" 3 pts: %d\n",nitstracks3); |
| 237 | printf(" 2 pts: %d\n",nitstracks2); |
| 238 | printf(" 1 pts: %d\n",nitstracks1); |
| 820252d7 |
239 | |
| 240 | |
| fee9ef0d |
241 | if(nc>=1) { |
| 820252d7 |
242 | vertex->GetXYZ(vtx); |
| 243 | vertex->GetSigmaXYZ(errvtx); |
| 244 | diffX = 10000.* (vtx[0] - truevtx[0]); |
| 245 | diffY = 10000.* (vtx[1] - truevtx[1]); |
| 246 | diffZ = 10000.* (vtx[2] - truevtx[2]); |
| 247 | hdiffX->Fill(diffX); |
| 248 | hdiffY->Fill(diffY); |
| 249 | hdiffZ->Fill(diffZ); |
| 250 | diffXerr = diffX/errvtx[0]/10000.; |
| 251 | diffYerr = diffY/errvtx[1]/10000.; |
| 252 | diffZerr = diffZ/errvtx[2]/10000.; |
| 253 | hdiffXerr->Fill(diffXerr); |
| 254 | hdiffYerr->Fill(diffYerr); |
| 255 | hdiffZerr->Fill(diffZerr); |
| 256 | } |
| 257 | |
| fee9ef0d |
258 | ntVtxRes->Fill(triggered,ntracks,nitstracks,nitstracks5or6,diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,multiplicity,(Float_t)nc,truevtx[2],chi2red); |
| 820252d7 |
259 | |
| 260 | } // END LOOP ON EVENTS |
| 261 | |
| 262 | |
| 263 | delete esdTree; |
| 264 | delete fin; |
| 265 | delete vertexer; |
| 266 | delete initVertex; |
| 267 | |
| 268 | // Output file |
| 269 | TFile *fout = new TFile(outname.Data(),"recreate"); |
| 270 | ntVtxRes->Write(); |
| 271 | hdiffX->Write(); |
| 272 | hdiffY->Write(); |
| 273 | hdiffZ->Write(); |
| 274 | hdiffXerr->Write(); |
| 275 | hdiffYerr->Write(); |
| 276 | hdiffZerr->Write(); |
| 277 | fout->Close(); |
| 278 | |
| 279 | return; |
| 280 | } |
| fee9ef0d |
281 | //------------------------------------------------------------------------ |
| 282 | void VertexForOneEvent(Int_t iev=0, |
| 283 | Double_t nSigma=3., |
| 284 | Bool_t useMeanVtx=kFALSE) { |
| 285 | //------------------------------------------------------------------------ |
| 286 | // Run vertex reconstruction for event iev |
| 287 | //------------------------------------------------------------------------ |
| 288 | |
| 289 | if (gAlice) { |
| 33c3c91a |
290 | delete AliRunLoader::Instance(); |
| fee9ef0d |
291 | delete gAlice; |
| 292 | gAlice=0; |
| 293 | } |
| 294 | |
| 295 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); |
| 296 | if (rl == 0x0) { |
| 297 | cerr<<"Can not open session"<<endl; |
| 298 | return; |
| 299 | } |
| 300 | Int_t retval = rl->LoadgAlice(); |
| 301 | if (retval) { |
| 302 | cerr<<"LoadgAlice returned error"<<endl; |
| 303 | delete rl; |
| 304 | return; |
| 305 | } |
| 306 | retval = rl->LoadHeader(); |
| 307 | if (retval) { |
| 308 | cerr<<"LoadHeader returned error"<<endl; |
| 309 | delete rl; |
| 310 | return; |
| 311 | } |
| 312 | gAlice=rl->GetAliRun(); |
| 313 | //rl->LoadKinematics(); |
| 314 | // Get field from galice.root |
| 315 | AliMagF *fiel = (AliMagF*)gAlice->Field(); |
| 316 | // Set the conversion constant between curvature and Pt |
| 317 | AliTracker::SetFieldMap(fiel,kTRUE); |
| 318 | |
| 319 | Double_t truevtx[3]; |
| 320 | Double_t vtx[3]; |
| 321 | Double_t errvtx[3]; |
| 322 | Double_t diffX,diffY,diffZ; |
| 323 | Double_t diffXerr,diffYerr,diffZerr; |
| 324 | Double_t multiplicity; |
| 325 | Int_t nc; |
| 326 | |
| 327 | // ----------- Create vertexer -------------------------- |
| 328 | AliESDVertex *initVertex = 0; |
| 329 | if(useMeanVtx) { |
| 330 | // open the mean vertex |
| 331 | TFile *invtx = new TFile("AliESDVertexMean.root"); |
| 332 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); |
| 333 | invtx->Close(); |
| 334 | delete invtx; |
| 335 | } else { |
| 336 | Double_t pos[3]={0.,-0.,0.}; |
| 337 | Double_t err[3]={3.,3.,5.}; |
| 338 | initVertex = new AliESDVertex(pos,err); |
| 339 | } |
| 28e4388a |
340 | AliVertexerTracks *vertexer = new AliVertexerTracks(AliTracker::GetBz()); |
| fee9ef0d |
341 | //vertexer->SetITSrefitNotRequired(); |
| 342 | vertexer->SetVtxStart(initVertex); |
| 0bf2e2b4 |
343 | if(!useMeanVtx) vertexer->SetConstraintOff(); |
| fee9ef0d |
344 | //vertexer->SetMinTracks(2); |
| 345 | //vertexer->SetNSigmad0(nSigma); |
| 346 | //cout<<" Nsigma: "<<vertexer->GetNSigmad0()<<endl; |
| 347 | //vertexer->SetFinderAlgorithm(2); |
| 348 | //vertexer->SetDCAcut(0.1); // 1 mm |
| 349 | vertexer->SetDebug(1); // set to 1 to see what it does |
| 350 | //---------------------------------------------------------- |
| 351 | |
| 352 | if(gSystem->AccessPathName("AliESDs.root",kFileExists)) { |
| 353 | printf("AliESDs.root not found!\n"); |
| 354 | return; |
| 355 | } |
| 356 | TFile *fin = TFile::Open("AliESDs.root"); |
| 64cf164e |
357 | AliESDEvent *esd = new AliESDEvent(); |
| fee9ef0d |
358 | TTree *esdTree = (TTree*)fin->Get("esdTree"); |
| 359 | if(!esdTree) return; |
| 64cf164e |
360 | esd->ReadFromTree(esdTree); |
| fee9ef0d |
361 | |
| 362 | TArrayF o; |
| 363 | |
| 364 | nc=0; |
| 365 | |
| 366 | //================================================= |
| 367 | // LOOK IN THE SIMULATION |
| 368 | // true vertex position |
| 369 | Int_t npart = (Int_t)gAlice->GetEvent(iev); |
| 370 | printf("particles %d\n",npart); |
| 371 | AliHeader *header = (AliHeader*)rl->GetHeader(); |
| 372 | AliGenPythiaEventHeader *pyheader = (AliGenPythiaEventHeader*)header->GenEventHeader(); |
| 373 | pyheader->PrimaryVertex(o); |
| 374 | truevtx[0] = o[0]; |
| 375 | truevtx[1] = o[1]; |
| 376 | truevtx[2] = o[2]; |
| 377 | printf("True Vertex: (%f, %f, %f)\n",o[0],o[1],o[2]); |
| 378 | |
| 379 | esdTree->GetEvent(iev); |
| 380 | Int_t ntracks = esd->GetNumberOfTracks(); |
| 381 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); |
| 382 | |
| 383 | // VERTEX |
| 384 | AliESDVertex *vertex = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); |
| 385 | nc = (Int_t)vertex->GetNContributors(); |
| 386 | |
| 387 | |
| 388 | Int_t nitstracks = 0; |
| 389 | Int_t nitstracks1 = 0; |
| 390 | Int_t nitstracks2 = 0; |
| 391 | Int_t nitstracks3 = 0; |
| 392 | Int_t nitstracks4 = 0; |
| 393 | Int_t nitstracks5 = 0; |
| 394 | Int_t nitstracks6 = 0; |
| 395 | Int_t nitstracks5or6 = 0; |
| 396 | |
| 397 | // count ITS tracks |
| 398 | for(Int_t itrk=0; itrk<ntracks; itrk++) { |
| 399 | AliESDtrack *esdtrack = (AliESDtrack*)esd->GetTrack(itrk); |
| 400 | UInt_t status = esdtrack->GetStatus(); |
| 401 | // only tracks found also in ITS |
| 402 | if(! (status&AliESDtrack::kITSrefit) ) continue; |
| 403 | nitstracks++; |
| 404 | Int_t npts = (Int_t)esdtrack->GetNcls(0); |
| 405 | if(npts==6) {nitstracks6++;nitstracks5or6++;} |
| 406 | if(npts==5) {nitstracks5++;nitstracks5or6++;} |
| 407 | if(npts==4) nitstracks4++; |
| 408 | if(npts==3) nitstracks3++; |
| 409 | if(npts==2) nitstracks2++; |
| 410 | if(npts==1) nitstracks1++; |
| 411 | } |
| 412 | printf("Number of kITSrefit tracks in ESD %d : %d\n",iev,nitstracks); |
| 413 | printf(" 6 pts: %d\n",nitstracks6); |
| 414 | printf(" 5 pts: %d\n",nitstracks5); |
| 415 | printf(" 4 pts: %d\n",nitstracks4); |
| 416 | printf(" 3 pts: %d\n",nitstracks3); |
| 417 | printf(" 2 pts: %d\n",nitstracks2); |
| 418 | printf(" 1 pts: %d\n",nitstracks1); |
| 419 | |
| 420 | |
| 421 | delete esdTree; |
| 422 | delete fin; |
| 423 | delete vertexer; |
| 424 | delete initVertex; |
| 425 | |
| 426 | return; |
| 427 | } |
| 428 | //---------------------------------------------------------------------------- |
| 820252d7 |
429 | Double_t FitFunc(Double_t *x,Double_t *par) { |
| 430 | return par[0]+par[1]/TMath::Sqrt(x[0]); |
| 431 | } |
| 432 | Int_t GetBin(Float_t mult) { |
| 433 | if(mult<5.) return 0; |
| 434 | if(mult<7.) return 1; |
| 435 | if(mult<12.) return 2; |
| 436 | if(mult<15.) return 3; |
| 437 | if(mult<22.) return 4; |
| 438 | return 5; |
| 439 | } |
| fee9ef0d |
440 | Int_t GetBinTracklets(Float_t tracklets) { |
| 441 | if(tracklets<2.*5.) return 0; |
| 442 | if(tracklets<2.*7.) return 1; |
| 443 | if(tracklets<2.*12.) return 2; |
| 444 | if(tracklets<2.*15.) return 3; |
| 445 | if(tracklets<2.*22.) return 4; |
| 446 | return 5; |
| 447 | } |
| 448 | Int_t GetBinZ(Float_t z) { |
| 449 | if(z<-13.) return 0; |
| 450 | if(z<-11.) return 1; |
| 451 | if(z<-9.) return 2; |
| 452 | if(z<-7.) return 3; |
| 453 | if(z<-5.) return 4; |
| 454 | if(z<-3.) return 5; |
| 455 | if(z<-1.) return 6; |
| 456 | if(z<1.) return 7; |
| 457 | if(z<3.) return 8; |
| 458 | if(z<5.) return 9; |
| 459 | if(z<7.) return 10; |
| 460 | if(z<9.) return 11; |
| 461 | if(z<11.) return 12; |
| 462 | if(z<13.) return 13; |
| 463 | return 14; |
| 464 | } |
| 465 | //---------------------------------------------------------------------------- |
| 43c9dae1 |
466 | void PlotVtxRes(TString inname="AliVertexerTracksTest.root", |
| 467 | Bool_t tpconly=kFALSE) { |
| 820252d7 |
468 | //--------------------------------------------------------------------- |
| 469 | // Plot efficiency, resolutions, pulls |
| 470 | // [at least 10k pp events are needed] |
| 471 | //--------------------------------------------------------------------- |
| 472 | |
| 473 | gStyle->SetOptStat(0); |
| 474 | gStyle->SetOptFit(10001); |
| 475 | |
| 43c9dae1 |
476 | Float_t zMCmin=0.; |
| 477 | Float_t zMCmax=15.; |
| 478 | Float_t ncminforzshift=1.; |
| 479 | Float_t maxdiffx = 1e3; |
| 480 | Float_t rangefactor=1.; |
| 481 | if(tpconly) { |
| 482 | maxdiffx *= 1e2; |
| 483 | rangefactor = 15.; |
| 484 | } |
| 485 | |
| 820252d7 |
486 | Int_t nEvVtx=0; |
| 487 | Int_t nEvNoVtx=0; |
| 488 | Int_t ev,nUsedTrks; |
| fee9ef0d |
489 | Float_t nESDTrks,nTrks,nTrks5or6,ntracklets; |
| 490 | Float_t diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,zMC,nc; |
| 491 | Float_t triggered; |
| 492 | |
| 820252d7 |
493 | |
| 494 | // |
| 495 | // HISTOGRAMS |
| 496 | // |
| 43c9dae1 |
497 | TH1F *hdx = new TH1F("hdx","",50,-600*rangefactor,600*rangefactor); |
| 820252d7 |
498 | hdx->SetXTitle("#Delta x [#mu m]"); |
| 499 | hdx->SetYTitle("events"); |
| 500 | // |
| 43c9dae1 |
501 | TH1F *hdy = new TH1F("hdy","",50,-600*rangefactor,600*rangefactor); |
| 820252d7 |
502 | hdy->SetXTitle("#Delta y [#mu m]"); |
| 503 | hdy->SetYTitle("events"); |
| 504 | // |
| 43c9dae1 |
505 | TH1F *hdz = new TH1F("hdz","",200,-600*rangefactor,600*rangefactor); |
| 820252d7 |
506 | hdz->SetXTitle("#Delta z [#mu m]"); |
| 507 | hdz->SetYTitle("events"); |
| 508 | // |
| fee9ef0d |
509 | TH1F *hzMCVtx = new TH1F("hzMCVtx","events w/ vertex",30,-15,15); |
| 510 | hzMCVtx->SetXTitle("z_{true} [cm]"); |
| 511 | hzMCVtx->SetYTitle("events"); |
| 512 | hzMCVtx->Sumw2(); |
| 513 | // |
| 514 | TH1F *hzMCNoVtx = new TH1F("hzMCNoVtx","events w/o vertex",30,-15,15); |
| 515 | hzMCNoVtx->SetXTitle("z_{true} [cm]"); |
| 516 | hzMCNoVtx->SetYTitle("events"); |
| 517 | hzMCNoVtx->Sumw2(); |
| 518 | // |
| 519 | TH1F *hTrackletsVtx = new TH1F("hTrackletsVtx","events w/ vertex",51,-0.5,50.5); |
| 520 | hTrackletsVtx->SetXTitle("SPD tracklets"); |
| 521 | hTrackletsVtx->SetYTitle("events"); |
| 522 | // |
| 523 | TH1F *hTrackletsNoVtx = new TH1F("hTrackletsNoVtx","events w/o vertex",51,-0.5,50.5); |
| 524 | hTrackletsNoVtx->SetXTitle("SPD tracklets"); |
| 525 | hTrackletsNoVtx->SetYTitle("events"); |
| 526 | // |
| 820252d7 |
527 | TH1F *hTracksVtx = new TH1F("hTracksVtx","events w/ vertex",51,-0.5,50.5); |
| 528 | hTracksVtx->SetXTitle("Number of reco tracks in TPC&ITS"); |
| 529 | hTracksVtx->SetYTitle("events"); |
| 530 | // |
| 531 | TH1F *hTracksNoVtx = new TH1F("hTracksNoVtx","events w/o vertex",51,-0.5,50.5); |
| 532 | hTracksNoVtx->SetXTitle("Number of reco tracks in TPC&ITS"); |
| 533 | hTracksNoVtx->SetYTitle("events"); |
| 534 | // |
| 535 | TH1F *hTracksVtx5or6 = new TH1F("hTracksVtx5or6","events w/ vertex",51,-0.5,50.5); |
| fee9ef0d |
536 | hTracksVtx5or6->SetXTitle("Number of reco tracks in TPC&ITS(cls>=5)"); |
| 820252d7 |
537 | hTracksVtx5or6->SetYTitle("events"); |
| 538 | // |
| 539 | TH1F *hTracksNoVtx5or6 = new TH1F("hTracksNoVtx5or6","events w/o vertex",51,-0.5,50.5); |
| fee9ef0d |
540 | hTracksNoVtx5or6->SetXTitle("Number of reco tracks in TPC&ITS(cls>=5)"); |
| 820252d7 |
541 | hTracksNoVtx5or6->SetYTitle("events"); |
| 542 | // |
| 820252d7 |
543 | TH1F *hPullsx = new TH1F("hPullsx","",50,-7.,7.); |
| 544 | hPullsx->SetXTitle("#Delta x/#sqrt{<x,x>}"); |
| 545 | hPullsx->SetYTitle("events"); |
| 546 | // |
| 547 | TH1F *hPullsy = new TH1F("hPullsy","",50,-7.,7.); |
| 548 | hPullsy->SetXTitle("#Delta y/#sqrt{<y,y>}"); |
| 549 | hPullsy->SetYTitle("events"); |
| 550 | // |
| 551 | TH1F *hPullsz = new TH1F("hPullsz","",50,-7.,7.); |
| 552 | hPullsz->SetXTitle("#Delta z/#sqrt{<z,z>}"); |
| 553 | hPullsz->SetYTitle("events"); |
| 554 | // |
| fee9ef0d |
555 | TProfile *hntrackletsVSzMC = new TProfile("hntrackletsVSzMC","",30,-15,15,0,30); |
| 556 | hntrackletsVSzMC->SetXTitle("z_{true} [cm]"); |
| 557 | hntrackletsVSzMC->SetYTitle("<SPD tracklets>"); |
| 558 | // |
| 559 | TProfile *hnitstracksVSzMC = new TProfile("hnitstracksVSzMC","",30,-15,15,0,30); |
| 560 | hnitstracksVSzMC->SetXTitle("z_{true} [cm]"); |
| 561 | hnitstracksVSzMC->SetYTitle("<tracks TPC&ITS>"); |
| 562 | // |
| 563 | TProfile *hnitstracks5or6VSzMC = new TProfile("hnitstracks5or6VSzMC","",30,-15,15,0,30); |
| 564 | hnitstracks5or6VSzMC->SetXTitle("z_{true} [cm]"); |
| 565 | hnitstracks5or6VSzMC->SetYTitle("<tracks TPC&ITS(cls>=5)>"); |
| 820252d7 |
566 | |
| 567 | Double_t mult[6]={0,0,0,0,0,0}; |
| 568 | Double_t mult2[6]={0,0,0,0,0,0}; |
| 569 | Double_t sigmamult[6]={0,0,0,0,0,0}; |
| 570 | Double_t sigmamult2[6]={0,0,0,0,0,0}; |
| 571 | Double_t tottracks[6]={0,0,0,0,0,0}; |
| 572 | Double_t fittrks[6]={0,0,0,0,0,0}; |
| 573 | Double_t tracks[6]={0,0,0,0,0,0}; |
| 574 | Double_t etracks[6]={0,0,0,0,0,0}; |
| 575 | Double_t xres[6]={0,0,0,0,0,0}; |
| 576 | Double_t exres[6]={0,0,0,0,0,0}; |
| 577 | Double_t yres[6]={0,0,0,0,0,0}; |
| 578 | Double_t eyres[6]={0,0,0,0,0,0}; |
| 579 | Double_t zres[6]={0,0,0,0,0,0}; |
| 580 | Double_t ezres[6]={0,0,0,0,0,0}; |
| 581 | Double_t xpull[6]={0,0,0,0,0,0}; |
| 582 | Double_t expull[6]={0,0,0,0,0,0}; |
| 583 | Double_t ypull[6]={0,0,0,0,0,0}; |
| 584 | Double_t eypull[6]={0,0,0,0,0,0}; |
| 585 | Double_t zpull[6]={0,0,0,0,0,0}; |
| 586 | Double_t ezpull[6]={0,0,0,0,0,0}; |
| 587 | Int_t evts[6]={0,0,0,0,0,0}; |
| 588 | Int_t totevts[6]={0,0,0,0,0,0}; |
| 589 | Int_t vtx[6]={0,0,0,0,0,0}; |
| 590 | Int_t all[6]={0,0,0,0,0,0}; |
| 591 | Double_t probVtx[6]={0,0,0,0,0,0}; |
| 592 | Double_t eprobVtx[6]={0,0,0,0,0,0}; |
| fee9ef0d |
593 | Int_t bin,zbin; |
| 820252d7 |
594 | // |
| 595 | // OTHER HISTOGRAMS |
| 596 | // |
| 43c9dae1 |
597 | TH1F *hdx0 = new TH1F("hdx0","x resolution - bin 0",50,-500*rangefactor,500*rangefactor); |
| 598 | TH1F *hdx1 = new TH1F("hdx1","x resolution - bin 1",50,-500*rangefactor,500*rangefactor); |
| 599 | TH1F *hdx2 = new TH1F("hdx2","x resolution - bin 2",50,-500*rangefactor,500*rangefactor); |
| 600 | TH1F *hdx3 = new TH1F("hdx3","x resolution - bin 3",50,-400*rangefactor,400*rangefactor); |
| 601 | TH1F *hdx4 = new TH1F("hdx4","x resolution - bin 4",50,-300*rangefactor,300*rangefactor); |
| 602 | TH1F *hdx5 = new TH1F("hdx5","x resolution - bin 5",50,-300*rangefactor,300*rangefactor); |
| 603 | TH1F *hdy0 = new TH1F("hdy0","y resolution - bin 0",50,-500*rangefactor,500*rangefactor); |
| 604 | TH1F *hdy1 = new TH1F("hdy1","y resolution - bin 1",50,-500*rangefactor,500*rangefactor); |
| 605 | TH1F *hdy2 = new TH1F("hdy2","y resolution - bin 2",50,-500*rangefactor,500*rangefactor); |
| 606 | TH1F *hdy3 = new TH1F("hdy3","y resolution - bin 3",50,-400*rangefactor,400*rangefactor); |
| 607 | TH1F *hdy4 = new TH1F("hdy4","y resolution - bin 4",50,-300*rangefactor,300*rangefactor); |
| 608 | TH1F *hdy5 = new TH1F("hdy5","y resolution - bin 5",50,-300*rangefactor,300*rangefactor); |
| 609 | TH1F *hdz0 = new TH1F("hdz0","z resolution - bin 0",50,-1000*rangefactor,1000*rangefactor); |
| 610 | TH1F *hdz1 = new TH1F("hdz1","z resolution - bin 1",50,-800*rangefactor,800*rangefactor); |
| 611 | TH1F *hdz2 = new TH1F("hdz2","z resolution - bin 2",50,-800*rangefactor,800*rangefactor); |
| 612 | TH1F *hdz3 = new TH1F("hdz3","z resolution - bin 3",50,-600*rangefactor,600*rangefactor); |
| 613 | TH1F *hdz4 = new TH1F("hdz4","z resolution - bin 4",50,-500*rangefactor,500*rangefactor); |
| 614 | TH1F *hdz5 = new TH1F("hdz5","z resolution - bin 5",50,-500*rangefactor,500*rangefactor); |
| fee9ef0d |
615 | // |
| 616 | TH1F *hdz_z = NULL; hdz_z = new TH1F[15]; |
| 617 | for(Int_t l=0;l<15;l++) hdz_z[l] = *hdz; |
| 618 | |
| 820252d7 |
619 | |
| 620 | TH1F *hpx0 = new TH1F("hpx0","x pull - bin 0",50,-7,7); |
| 621 | TH1F *hpx1 = new TH1F("hpx1","x pull - bin 1",50,-7,7); |
| 622 | TH1F *hpx2 = new TH1F("hpx2","x pull - bin 2",50,-7,7); |
| 623 | TH1F *hpx3 = new TH1F("hpx3","x pull - bin 3",50,-7,7); |
| 624 | TH1F *hpx4 = new TH1F("hpx4","x pull - bin 4",50,-7,7); |
| 625 | TH1F *hpx5 = new TH1F("hpx5","x pull - bin 5",50,-7,7); |
| 626 | TH1F *hpy0 = new TH1F("hpy0","y pull - bin 0",50,-7,7); |
| 627 | TH1F *hpy1 = new TH1F("hpy1","y pull - bin 1",50,-7,7); |
| 628 | TH1F *hpy2 = new TH1F("hpy2","y pull - bin 2",50,-7,7); |
| 629 | TH1F *hpy3 = new TH1F("hpy3","y pull - bin 3",50,-7,7); |
| 630 | TH1F *hpy4 = new TH1F("hpy4","y pull - bin 4",50,-7,7); |
| 631 | TH1F *hpy5 = new TH1F("hpy5","y pull - bin 5",50,-7,7); |
| 632 | TH1F *hpz0 = new TH1F("hpz0","z pull - bin 0",50,-7,7); |
| 633 | TH1F *hpz1 = new TH1F("hpz1","z pull - bin 1",50,-7,7); |
| 634 | TH1F *hpz2 = new TH1F("hpz2","z pull - bin 2",50,-7,7); |
| 635 | TH1F *hpz3 = new TH1F("hpz3","z pull - bin 3",50,-7,7); |
| 636 | TH1F *hpz4 = new TH1F("hpz4","z pull - bin 4",50,-7,7); |
| 637 | TH1F *hpz5 = new TH1F("hpz5","z pull - bin 5",50,-7,7); |
| 638 | |
| 639 | |
| 640 | TH1F *hmult = new TH1F("hmult","hmult",50,-0.5,49.5); |
| 641 | |
| fee9ef0d |
642 | TFile *in = new TFile(inname.Data()); |
| 820252d7 |
643 | TNtuple *nt = (TNtuple*)in->Get("ntVtxRes"); |
| fee9ef0d |
644 | nt->SetBranchAddress("triggered",&triggered); |
| 645 | nt->SetBranchAddress("ntracks",&nESDTrks); |
| 646 | nt->SetBranchAddress("nitstracks",&nTrks); |
| 820252d7 |
647 | nt->SetBranchAddress("nitstracks5or6",&nTrks5or6); |
| 820252d7 |
648 | nt->SetBranchAddress("diffX",&diffX); |
| 649 | nt->SetBranchAddress("diffY",&diffY); |
| 650 | nt->SetBranchAddress("diffZ",&diffZ); |
| 651 | nt->SetBranchAddress("diffXerr",&diffXerr); |
| 652 | nt->SetBranchAddress("diffYerr",&diffYerr); |
| 653 | nt->SetBranchAddress("diffZerr",&diffZerr); |
| fee9ef0d |
654 | nt->SetBranchAddress("multiplicity",&ntracklets); |
| 655 | nt->SetBranchAddress("zMC",&zMC); |
| 656 | nt->SetBranchAddress("nc",&nc); |
| 820252d7 |
657 | Int_t entries = (Int_t)nt->GetEntries(); |
| 658 | Int_t nbytes=0; |
| 659 | |
| 660 | for(Int_t i=0; i<entries; i++) { |
| 661 | nbytes += nt->GetEvent(i); |
| fee9ef0d |
662 | // only triggered events |
| 43c9dae1 |
663 | // if(triggered<0.5) continue; |
| fee9ef0d |
664 | // consider only events with zMCmin<|zMC|<zMCmax |
| 665 | if(TMath::Abs(zMC)<zMCmin || TMath::Abs(zMC)>zMCmax) continue; |
| 666 | // |
| 667 | bin = GetBinTracklets(ntracklets); |
| 668 | zbin = GetBinZ(zMC); |
| 669 | mult[bin] += ntracklets; |
| 670 | hmult->Fill(ntracklets); |
| 820252d7 |
671 | totevts[bin]++; |
| fee9ef0d |
672 | hntrackletsVSzMC->Fill(zMC,ntracklets); |
| 673 | hnitstracksVSzMC->Fill(zMC,nTrks); |
| 674 | hnitstracks5or6VSzMC->Fill(zMC,nTrks5or6); |
| 43c9dae1 |
675 | if(TMath::Abs(diffX) < maxdiffx) { // vtx found - closer than maxdiffx micron |
| 820252d7 |
676 | nEvVtx++; |
| fee9ef0d |
677 | mult2[bin] += ntracklets; |
| 820252d7 |
678 | vtx[bin]++; |
| 679 | tottracks[bin] += nTrks; |
| 680 | evts[bin]++; |
| 681 | if(bin==0) hdx0->Fill(diffX); |
| 682 | if(bin==1) hdx1->Fill(diffX); |
| 683 | if(bin==2) hdx2->Fill(diffX); |
| 684 | if(bin==3) hdx3->Fill(diffX); |
| 685 | if(bin==4) hdx4->Fill(diffX); |
| 686 | if(bin==5) hdx5->Fill(diffX); |
| 687 | if(bin==0) hdy0->Fill(diffY); |
| 688 | if(bin==1) hdy1->Fill(diffY); |
| 689 | if(bin==2) hdy2->Fill(diffY); |
| 690 | if(bin==3) hdy3->Fill(diffY); |
| 691 | if(bin==4) hdy4->Fill(diffY); |
| 692 | if(bin==5) hdy5->Fill(diffY); |
| 693 | if(bin==0) hdz0->Fill(diffZ); |
| 694 | if(bin==1) hdz1->Fill(diffZ); |
| 695 | if(bin==2) hdz2->Fill(diffZ); |
| 696 | if(bin==3) hdz3->Fill(diffZ); |
| 697 | if(bin==4) hdz4->Fill(diffZ); |
| 698 | if(bin==5) hdz5->Fill(diffZ); |
| 699 | hdx->Fill(diffX); |
| 700 | hdy->Fill(diffY); |
| 701 | hdz->Fill(diffZ); |
| fee9ef0d |
702 | if(nc>=ncminforzshift) hdz_z[zbin].Fill(diffZ); |
| 703 | hzMCVtx->Fill(zMC); |
| 704 | hTrackletsVtx->Fill(ntracklets); |
| 820252d7 |
705 | hTracksVtx->Fill(nTrks); |
| 706 | hTracksVtx5or6->Fill(nTrks5or6); |
| 820252d7 |
707 | hPullsx->Fill(diffXerr); |
| 708 | hPullsy->Fill(diffYerr); |
| 709 | hPullsz->Fill(diffZerr); |
| 710 | if(bin==0) hpx0->Fill(diffXerr); |
| 711 | if(bin==1) hpx1->Fill(diffXerr); |
| 712 | if(bin==2) hpx2->Fill(diffXerr); |
| 713 | if(bin==3) hpx3->Fill(diffXerr); |
| 714 | if(bin==4) hpx4->Fill(diffXerr); |
| 715 | if(bin==5) hpx5->Fill(diffXerr); |
| 716 | if(bin==0) hpy0->Fill(diffYerr); |
| 717 | if(bin==1) hpy1->Fill(diffYerr); |
| 718 | if(bin==2) hpy2->Fill(diffYerr); |
| 719 | if(bin==3) hpy3->Fill(diffYerr); |
| 720 | if(bin==4) hpy4->Fill(diffYerr); |
| 721 | if(bin==5) hpy5->Fill(diffYerr); |
| 722 | if(bin==0) hpz0->Fill(diffZerr); |
| 723 | if(bin==1) hpz1->Fill(diffZerr); |
| 724 | if(bin==2) hpz2->Fill(diffZerr); |
| 725 | if(bin==3) hpz3->Fill(diffZerr); |
| 726 | if(bin==4) hpz4->Fill(diffZerr); |
| 727 | if(bin==5) hpz5->Fill(diffZerr); |
| 728 | } else { |
| 729 | nEvNoVtx++; |
| fee9ef0d |
730 | hzMCNoVtx->Fill(zMC); |
| 731 | hTrackletsNoVtx->Fill(ntracklets); |
| 820252d7 |
732 | hTracksNoVtx->Fill(nTrks); |
| 733 | hTracksNoVtx5or6->Fill(nTrks5or6); |
| 820252d7 |
734 | } |
| 735 | all[bin]++; |
| 736 | } |
| 737 | |
| 738 | |
| 739 | for(Int_t k=0;k<6;k++) { |
| 740 | mult2[k] /= evts[k]; |
| 741 | mult[k] /= totevts[k]; |
| 742 | tottracks[k] /= evts[k]; |
| 743 | probVtx[k] = (Double_t)vtx[k]/all[k]; |
| 744 | eprobVtx[k] = (Double_t)vtx[k]/all[k]/all[k]+(Double_t)vtx[k]*vtx[k]/all[k]/all[k]/all[k]; |
| 745 | eprobVtx[k] = TMath::Sqrt(eprobVtx[k]); |
| 746 | } |
| 747 | |
| 748 | // calculate spread in multiplicity |
| 749 | for(Int_t i=0; i<entries; i++) { |
| 750 | nbytes += nt->GetEvent(i); |
| fee9ef0d |
751 | bin = GetBinTracklets(ntracklets); |
| 752 | sigmamult[bin] += (ntracklets-mult[bin])*(ntracklets-mult[bin])/totevts[bin]; |
| 753 | if(diffX < 90000.) sigmamult2[bin] += (ntracklets-mult2[bin])*(ntracklets-mult2[bin])/evts[bin]; |
| 820252d7 |
754 | } |
| 755 | |
| 756 | for(Int_t k=0;k<6;k++) { |
| 757 | sigmamult[k] = TMath::Sqrt(sigmamult[k]); |
| 758 | sigmamult2[k] = TMath::Sqrt(sigmamult2[k]); |
| 759 | } |
| 760 | |
| 761 | // fraction of found vertices |
| 762 | Float_t frac = (Float_t)nEvVtx/(nEvVtx+nEvNoVtx); |
| 763 | printf(" Fraction of events with vertex: %f\n",frac); |
| 764 | |
| 765 | |
| 766 | // FIT FUNCTIONS |
| 767 | TF1 *g = new TF1("g","gaus"); |
| 768 | g->SetLineWidth(3); |
| 769 | TF1 *line = new TF1("line","pol1"); |
| 770 | line->SetLineWidth(3); |
| fee9ef0d |
771 | TF1 *func = new TF1("func",FitFunc,2,80,2); |
| 820252d7 |
772 | func->SetLineWidth(1); |
| 773 | |
| 774 | Double_t x1,y1,sigmafit; |
| 775 | Char_t message[100]; |
| 776 | |
| 777 | // |
| 778 | // DRAW PLOTS |
| 779 | // |
| 780 | gStyle->SetOptFit(1111); |
| 781 | |
| fee9ef0d |
782 | // tracks VS zMC |
| 783 | TCanvas *c0 = new TCanvas("c0","c0",0,0,1000,400); |
| 784 | c0->Divide(3,1); |
| 785 | c0->cd(1); |
| 786 | hntrackletsVSzMC->SetMinimum(0); |
| 787 | hntrackletsVSzMC->SetMaximum(14); |
| 788 | hntrackletsVSzMC->Draw("profs"); |
| 789 | c0->cd(2); |
| 790 | hnitstracksVSzMC->SetMinimum(0); |
| 791 | hnitstracksVSzMC->SetMaximum(14); |
| 792 | hnitstracksVSzMC->Draw("profs"); |
| 793 | c0->cd(3); |
| 794 | hnitstracks5or6VSzMC->SetMinimum(0); |
| 795 | hnitstracks5or6VSzMC->SetMaximum(14); |
| 796 | hnitstracks5or6VSzMC->Draw("profs"); |
| 797 | |
| 798 | |
| 820252d7 |
799 | // Tracks in ITS for events w/ and w/o vertex |
| 800 | TCanvas *c1 = new TCanvas("c1","c1",0,0,1000,500); |
| 801 | c1->Divide(2,1); |
| 802 | c1->cd(1); |
| 803 | hTracksVtx->Draw(); |
| 804 | c1->cd(2); |
| 805 | hTracksNoVtx->Draw(); |
| 806 | |
| fee9ef0d |
807 | // probability vs ntracklets |
| 808 | TCanvas *c1a = new TCanvas("c1a","c1a",0,0,500,500); |
| 809 | TH1F *hTotTracklets = (TH1F*)hTrackletsVtx->Clone("hTotTracklets"); |
| 810 | hTotTracklets->Add(hTrackletsNoVtx); |
| 811 | TH1F *hProbTracklets = (TH1F*)hTrackletsVtx->Clone("hProbTracklets"); |
| 812 | hProbTracklets->Divide(hTotTracklets); |
| 813 | hProbTracklets->SetYTitle("Probability"); |
| 814 | hProbTracklets->SetTitle("Probability to find the vertex"); |
| 815 | hProbTracklets->Draw(); |
| 816 | |
| 820252d7 |
817 | // probability vs ntracks |
| 818 | TCanvas *c1b = new TCanvas("c1b","c1b",0,0,500,500); |
| 819 | TH1F *hTotTracks = (TH1F*)hTracksVtx->Clone("hTotTracks"); |
| 820 | hTotTracks->Add(hTracksNoVtx); |
| 821 | TH1F *hProbTracks = (TH1F*)hTracksVtx->Clone("hProbTracks"); |
| 822 | hProbTracks->Divide(hTotTracks); |
| 823 | hProbTracks->SetYTitle("Probability"); |
| 824 | hProbTracks->SetTitle("Probability to find the vertex"); |
| 825 | hProbTracks->Draw(); |
| 826 | |
| 827 | TCanvas *c1c = new TCanvas("c1c","c1c",0,0,500,500); |
| 828 | TH1F *hTotTracks5or6 = (TH1F*)hTracksVtx5or6->Clone("hTotTracks5or6"); |
| 829 | hTotTracks5or6->Add(hTracksNoVtx5or6); |
| 830 | TH1F *hProbTracks5or6 = (TH1F*)hTracksVtx5or6->Clone("hProbTracks5or6"); |
| 831 | hProbTracks5or6->Divide(hTotTracks5or6); |
| 832 | hProbTracks5or6->SetYTitle("Probability"); |
| 833 | hProbTracks5or6->SetTitle("Probability to find the vertex"); |
| 834 | hProbTracks5or6->Draw(); |
| 835 | |
| fee9ef0d |
836 | |
| 837 | // probability vs zMC |
| 838 | TCanvas *c1e = new TCanvas("c1e","c1e",0,0,500,500); |
| 839 | TH1F *hTotzMC = (TH1F*)hzMCVtx->Clone("hTotzMC"); |
| 840 | hTotzMC->Add(hzMCNoVtx); |
| 841 | TH1F *hProbzMC = (TH1F*)hzMCVtx->Clone("hProbzMC"); |
| 842 | hProbzMC->Divide(hTotzMC); |
| 843 | hProbzMC->SetYTitle("Probability"); |
| 844 | hProbzMC->SetTitle("Probability to find the vertex"); |
| 845 | hProbzMC->Draw(); |
| 820252d7 |
846 | |
| 847 | // Global resolutions |
| 848 | TCanvas *c2 = new TCanvas("c2","c2",0,0,1000,400); |
| 849 | c2->Divide(3,1); |
| 850 | c2->cd(1); |
| 851 | hdx->Draw(); |
| 852 | g->SetRange(-1.*hdx->GetRMS(),+1.*hdx->GetRMS()); |
| 853 | hdx->Fit("g","R"); |
| 854 | c2->cd(2); |
| 855 | hdy->Draw(); |
| 856 | g->SetRange(-1.*hdy->GetRMS(),+1.*hdy->GetRMS()); |
| 857 | hdy->Fit("g","R"); |
| 858 | c2->cd(3); |
| 859 | hdz->Draw(); |
| 860 | g->SetRange(-1.*hdz->GetRMS(),+1.*hdz->GetRMS()); |
| 861 | hdz->Fit("g","R"); |
| 862 | |
| 863 | // Pulls |
| 864 | TCanvas *c4 = new TCanvas("c4","c4",0,0,1000,400); |
| 865 | c4->Divide(3,1); |
| 866 | c4->cd(1); |
| 867 | hPullsx->Draw(); |
| 868 | g->SetRange(-3.*hPullsx->GetRMS(),+3.*hPullsx->GetRMS()); |
| 869 | hPullsx->Fit("g","R"); |
| 870 | c4->cd(2); |
| 871 | hPullsy->Draw(); |
| 872 | g->SetRange(-3.*hPullsy->GetRMS(),+3.*hPullsy->GetRMS()); |
| 873 | hPullsy->Fit("g","R"); |
| 874 | c4->cd(3); |
| 875 | hPullsz->Draw(); |
| 876 | g->SetRange(-3.*hPullsz->GetRMS(),+3.*hPullsz->GetRMS()); |
| 877 | hPullsz->Fit("g","R"); |
| 878 | |
| 879 | // probability VS multiplicity |
| 880 | TCanvas *c5 = new TCanvas("c5","c5",0,0,600,500); |
| fee9ef0d |
881 | TH2F *fr5 = new TH2F("fr5","",2,0,80,2,0,1.1); |
| 882 | fr5->SetXTitle("SPD tracklets"); |
| 820252d7 |
883 | fr5->SetYTitle("Probability"); |
| 884 | fr5->Draw(); |
| 885 | TGraphErrors *gr5 = new TGraphErrors(6,mult,probVtx,sigmamult,eprobVtx); |
| 886 | gr5->Draw("p"); |
| 887 | gr5->SetMarkerStyle(21); |
| 888 | |
| 889 | // |
| 890 | // resolutions VS multiplicity |
| 891 | // |
| 892 | // X |
| 893 | TCanvas *ax = new TCanvas("ax","ax",0,0,900,700); |
| 894 | ax->Divide(3,2); |
| 895 | ax->cd(1); |
| 896 | hdx0->Draw(); |
| 897 | g->SetRange(-3.*hdx0->GetRMS(),+3.*hdx0->GetRMS()); |
| 898 | hdx0->Fit("g","Q"); |
| 899 | xres[0]=g->GetParameter(2); |
| 900 | exres[0]=g->GetParError(2); |
| 901 | ax->cd(2); |
| 902 | hdx1->Draw(); |
| 903 | g->SetRange(-3.*hdx1->GetRMS(),+3.*hdx1->GetRMS()); |
| 904 | hdx1->Fit("g","Q"); |
| 905 | xres[1]=g->GetParameter(2); |
| 906 | exres[1]=g->GetParError(2); |
| 907 | ax->cd(3); |
| 908 | hdx2->Draw(); |
| 909 | g->SetRange(-3.*hdx2->GetRMS(),+3.*hdx2->GetRMS()); |
| 910 | hdx2->Fit("g","Q"); |
| 911 | xres[2]=g->GetParameter(2); |
| 912 | exres[2]=g->GetParError(2); |
| 913 | ax->cd(4); |
| 914 | hdx3->Draw(); |
| 915 | g->SetRange(-3.*hdx3->GetRMS(),+3.*hdx3->GetRMS()); |
| 916 | hdx3->Fit("g","Q"); |
| 917 | xres[3]=g->GetParameter(2); |
| 918 | exres[3]=g->GetParError(2); |
| 919 | ax->cd(5); |
| 920 | hdx4->Draw(); |
| 921 | g->SetRange(-3.*hdx4->GetRMS(),+3.*hdx4->GetRMS()); |
| 922 | hdx4->Fit("g","Q"); |
| 923 | xres[4]=g->GetParameter(2); |
| 924 | exres[4]=g->GetParError(2); |
| 925 | ax->cd(6); |
| 926 | hdx5->Draw(); |
| 927 | g->SetRange(-3.*hdx5->GetRMS(),+3.*hdx5->GetRMS()); |
| 928 | hdx5->Fit("g","Q"); |
| 929 | xres[5]=g->GetParameter(2); |
| 930 | exres[5]=g->GetParError(2); |
| 931 | // Y |
| 932 | TCanvas *ay = new TCanvas("ay","ay",0,0,900,700); |
| 933 | ay->Divide(3,2); |
| 934 | ay->cd(1); |
| 935 | hdy0->Draw(); |
| 936 | g->SetRange(-3.*hdy0->GetRMS(),+3.*hdy0->GetRMS()); |
| 937 | hdy0->Fit("g","Q"); |
| 938 | yres[0]=g->GetParameter(2); |
| 939 | eyres[0]=g->GetParError(2); |
| 940 | ay->cd(2); |
| 941 | hdy1->Draw(); |
| 942 | g->SetRange(-3.*hdy1->GetRMS(),+3.*hdy1->GetRMS()); |
| 943 | hdy1->Fit("g","Q"); |
| 944 | yres[1]=g->GetParameter(2); |
| 945 | eyres[1]=g->GetParError(2); |
| 946 | ay->cd(3); |
| 947 | hdy2->Draw(); |
| 948 | g->SetRange(-3.*hdy2->GetRMS(),+3.*hdy2->GetRMS()); |
| 949 | hdy2->Fit("g","Q"); |
| 950 | yres[2]=g->GetParameter(2); |
| 951 | eyres[2]=g->GetParError(2); |
| 952 | ay->cd(4); |
| 953 | hdy3->Draw(); |
| 954 | g->SetRange(-3.*hdy3->GetRMS(),+3.*hdy3->GetRMS()); |
| 955 | hdy3->Fit("g","Q"); |
| 956 | yres[3]=g->GetParameter(2); |
| 957 | eyres[3]=g->GetParError(2); |
| 958 | ay->cd(5); |
| 959 | hdy4->Draw(); |
| 960 | g->SetRange(-3.*hdy4->GetRMS(),+3.*hdy4->GetRMS()); |
| 961 | hdy4->Fit("g","Q"); |
| 962 | yres[4]=g->GetParameter(2); |
| 963 | eyres[4]=g->GetParError(2); |
| 964 | ay->cd(6); |
| 965 | hdy5->Draw(); |
| 966 | g->SetRange(-3.*hdy5->GetRMS(),+3.*hdy5->GetRMS()); |
| 967 | hdy5->Fit("g","Q"); |
| 968 | yres[5]=g->GetParameter(2); |
| 969 | eyres[5]=g->GetParError(2); |
| 970 | // Z |
| 971 | TCanvas *az = new TCanvas("az","az",0,0,900,700); |
| 972 | az->Divide(3,2); |
| 973 | az->cd(1); |
| 974 | hdz0->Draw(); |
| 975 | g->SetRange(-3.*hdz0->GetRMS(),+3.*hdz0->GetRMS()); |
| 976 | hdz0->Fit("g","Q"); |
| 977 | zres[0]=g->GetParameter(2); |
| 978 | ezres[0]=g->GetParError(2); |
| 979 | az->cd(2); |
| 980 | hdz1->Draw(); |
| 981 | g->SetRange(-3.*hdz1->GetRMS(),+3.*hdz1->GetRMS()); |
| 982 | hdz1->Fit("g","Q"); |
| 983 | zres[1]=g->GetParameter(2); |
| 984 | ezres[1]=g->GetParError(2); |
| 985 | az->cd(3); |
| 986 | hdz2->Draw(); |
| 987 | g->SetRange(-3.*hdz2->GetRMS(),+3.*hdz2->GetRMS()); |
| 988 | hdz2->Fit("g","Q"); |
| 989 | zres[2]=g->GetParameter(2); |
| 990 | ezres[2]=g->GetParError(2); |
| 991 | az->cd(4); |
| 992 | hdz3->Draw(); |
| 993 | g->SetRange(-3.*hdz3->GetRMS(),+3.*hdz3->GetRMS()); |
| 994 | hdz3->Fit("g","Q"); |
| 995 | zres[3]=g->GetParameter(2); |
| 996 | ezres[3]=g->GetParError(2); |
| 997 | az->cd(5); |
| 998 | hdz4->Draw(); |
| 999 | g->SetRange(-3.*hdz4->GetRMS(),+3.*hdz4->GetRMS()); |
| 1000 | hdz4->Fit("g","Q"); |
| 1001 | zres[4]=g->GetParameter(2); |
| 1002 | ezres[4]=g->GetParError(2); |
| 1003 | az->cd(6); |
| 1004 | hdz5->Draw(); |
| 1005 | g->SetRange(-3.*hdz5->GetRMS(),+3.*hdz5->GetRMS()); |
| 1006 | hdz5->Fit("g","Q"); |
| 1007 | zres[5]=g->GetParameter(2); |
| 1008 | ezres[5]=g->GetParError(2); |
| 1009 | |
| 1010 | |
| 1011 | // |
| 1012 | // pulls VS multiplicity |
| 1013 | // |
| 1014 | // X |
| 1015 | TCanvas *bx = new TCanvas("bx","bx",0,0,900,700); |
| 1016 | bx->Divide(3,2); |
| 1017 | bx->cd(1); |
| 1018 | hpx0->Draw(); |
| 1019 | g->SetRange(-3.*hpx0->GetRMS(),+3.*hpx0->GetRMS()); |
| 1020 | hpx0->Fit("g","Q"); |
| 1021 | xpull[0]=g->GetParameter(2); |
| 1022 | expull[0]=g->GetParError(2); |
| 1023 | bx->cd(2); |
| 1024 | hpx1->Draw(); |
| 1025 | g->SetRange(-3.*hpx1->GetRMS(),+3.*hpx1->GetRMS()); |
| 1026 | hpx1->Fit("g","Q"); |
| 1027 | xpull[1]=g->GetParameter(2); |
| 1028 | expull[1]=g->GetParError(2); |
| 1029 | bx->cd(3); |
| 1030 | hpx2->Draw(); |
| 1031 | g->SetRange(-3.*hpx2->GetRMS(),+3.*hpx2->GetRMS()); |
| 1032 | hpx2->Fit("g","Q"); |
| 1033 | xpull[2]=g->GetParameter(2); |
| 1034 | expull[2]=g->GetParError(2); |
| 1035 | bx->cd(4); |
| 1036 | hpx3->Draw(); |
| 1037 | g->SetRange(-3.*hpx3->GetRMS(),+3.*hpx3->GetRMS()); |
| 1038 | hpx3->Fit("g","Q"); |
| 1039 | xpull[3]=g->GetParameter(2); |
| 1040 | expull[3]=g->GetParError(2); |
| 1041 | bx->cd(5); |
| 1042 | hpx4->Draw(); |
| 1043 | g->SetRange(-3.*hpx4->GetRMS(),+3.*hpx4->GetRMS()); |
| 1044 | hpx4->Fit("g","Q"); |
| 1045 | xpull[4]=g->GetParameter(2); |
| 1046 | expull[4]=g->GetParError(2); |
| 1047 | bx->cd(6); |
| 1048 | hpx5->Draw(); |
| 1049 | g->SetRange(-3.*hpx5->GetRMS(),+3.*hpx5->GetRMS()); |
| 1050 | hpx5->Fit("g","Q"); |
| 1051 | xpull[5]=g->GetParameter(2); |
| 1052 | expull[5]=g->GetParError(2); |
| 1053 | // Y |
| 1054 | TCanvas *by = new TCanvas("by","by",0,0,900,700); |
| 1055 | by->Divide(3,2); |
| 1056 | by->cd(1); |
| 1057 | hpy0->Draw(); |
| 1058 | g->SetRange(-3.*hpy0->GetRMS(),+3.*hpy0->GetRMS()); |
| 1059 | hpy0->Fit("g","Q"); |
| 1060 | ypull[0]=g->GetParameter(2); |
| 1061 | eypull[0]=g->GetParError(2); |
| 1062 | by->cd(2); |
| 1063 | hpy1->Draw(); |
| 1064 | g->SetRange(-3.*hpy1->GetRMS(),+3.*hpy1->GetRMS()); |
| 1065 | hpy1->Fit("g","Q"); |
| 1066 | ypull[1]=g->GetParameter(2); |
| 1067 | eypull[1]=g->GetParError(2); |
| 1068 | by->cd(3); |
| 1069 | hpy2->Draw(); |
| 1070 | g->SetRange(-3.*hpy2->GetRMS(),+3.*hpy2->GetRMS()); |
| 1071 | hpy2->Fit("g","Q"); |
| 1072 | ypull[2]=g->GetParameter(2); |
| 1073 | eypull[2]=g->GetParError(2); |
| 1074 | by->cd(4); |
| 1075 | hpy3->Draw(); |
| 1076 | g->SetRange(-3.*hpy3->GetRMS(),+3.*hpy3->GetRMS()); |
| 1077 | hpy3->Fit("g","Q"); |
| 1078 | ypull[3]=g->GetParameter(2); |
| 1079 | eypull[3]=g->GetParError(2); |
| 1080 | by->cd(5); |
| 1081 | hpy4->Draw(); |
| 1082 | g->SetRange(-3.*hpy4->GetRMS(),+3.*hpy4->GetRMS()); |
| 1083 | hpy4->Fit("g","Q"); |
| 1084 | ypull[4]=g->GetParameter(2); |
| 1085 | eypull[4]=g->GetParError(2); |
| 1086 | by->cd(6); |
| 1087 | hpy5->Draw(); |
| 1088 | g->SetRange(-3.*hpy5->GetRMS(),+3.*hpy5->GetRMS()); |
| 1089 | hpy5->Fit("g","Q"); |
| 1090 | ypull[5]=g->GetParameter(2); |
| 1091 | eypull[5]=g->GetParError(2); |
| 1092 | // Z |
| 1093 | TCanvas *bz = new TCanvas("bz","bz",0,0,900,700); |
| 1094 | bz->Divide(3,2); |
| 1095 | bz->cd(1); |
| 1096 | hpz0->Draw(); |
| 1097 | g->SetRange(-3.*hpz0->GetRMS(),+3.*hpz0->GetRMS()); |
| 1098 | hpz0->Fit("g","Q"); |
| 1099 | zpull[0]=g->GetParameter(2); |
| 1100 | ezpull[0]=g->GetParError(2); |
| 1101 | bz->cd(2); |
| 1102 | hpz1->Draw(); |
| 1103 | g->SetRange(-3.*hpz1->GetRMS(),+3.*hpz1->GetRMS()); |
| 1104 | hpz1->Fit("g","Q"); |
| 1105 | zpull[1]=g->GetParameter(2); |
| 1106 | ezpull[1]=g->GetParError(2); |
| 1107 | bz->cd(3); |
| 1108 | hpz2->Draw(); |
| 1109 | g->SetRange(-3.*hpz2->GetRMS(),+3.*hpz2->GetRMS()); |
| 1110 | hpz2->Fit("g","Q"); |
| 1111 | zpull[2]=g->GetParameter(2); |
| 1112 | ezpull[2]=g->GetParError(2); |
| 1113 | bz->cd(4); |
| 1114 | hpz3->Draw(); |
| 1115 | g->SetRange(-3.*hpz3->GetRMS(),+3.*hpz3->GetRMS()); |
| 1116 | hpz3->Fit("g","Q"); |
| 1117 | zpull[3]=g->GetParameter(2); |
| 1118 | ezpull[3]=g->GetParError(2); |
| 1119 | bz->cd(5); |
| 1120 | hpz4->Draw(); |
| 1121 | g->SetRange(-3.*hpz4->GetRMS(),+3.*hpz4->GetRMS()); |
| 1122 | hpz4->Fit("g","Q"); |
| 1123 | zpull[4]=g->GetParameter(2); |
| 1124 | ezpull[4]=g->GetParError(2); |
| 1125 | bz->cd(6); |
| 1126 | hpz5->Draw(); |
| 1127 | g->SetRange(-3.*hpz5->GetRMS(),+3.*hpz5->GetRMS()); |
| 1128 | hpz5->Fit("g","Q"); |
| 1129 | zpull[5]=g->GetParameter(2); |
| 1130 | ezpull[5]=g->GetParError(2); |
| 1131 | |
| 1132 | gStyle->SetOptFit(0); |
| 1133 | |
| fee9ef0d |
1134 | // res VS ntracklets |
| 820252d7 |
1135 | TCanvas *c6 = new TCanvas("c6","c6",0,0,600,500); |
| 43c9dae1 |
1136 | TH2F *fr6 = new TH2F("fr6","",2,0,80,2,0,240*rangefactor); |
| fee9ef0d |
1137 | fr6->SetXTitle("SPD tracklets"); |
| 820252d7 |
1138 | fr6->SetYTitle("#sigma [#mu m]"); |
| 1139 | fr6->Draw(); |
| 1140 | sigmamult2[0]=sigmamult2[1]=sigmamult2[2]=sigmamult2[3]=sigmamult2[4]=sigmamult2[5]=0.; |
| 1141 | TGraphErrors *gr6x = new TGraphErrors(6,mult2,xres,sigmamult2,exres); |
| 1142 | gr6x->Draw("p"); |
| 1143 | gr6x->SetMarkerStyle(22); |
| fee9ef0d |
1144 | //gr6x->Fit("func","E,R"); |
| 820252d7 |
1145 | TGraphErrors *gr6z = new TGraphErrors(6,mult2,zres,sigmamult2,ezres); |
| 1146 | gr6z->Draw("p"); |
| 1147 | gr6z->SetMarkerStyle(26); |
| fee9ef0d |
1148 | //gr6z->Fit("func","E,R"); |
| 820252d7 |
1149 | TLegend *leg6 = new TLegend(0.6,0.75,0.9,0.9); |
| 1150 | leg6->AddEntry(gr6x,"x/y coordinate","p"); |
| 1151 | leg6->AddEntry(gr6z,"z coordinate","p"); |
| 1152 | leg6->SetFillStyle(0); |
| 1153 | leg6->SetBorderSize(0); |
| 1154 | leg6->Draw(); |
| 1155 | |
| fee9ef0d |
1156 | // pull VS ntracklets |
| 820252d7 |
1157 | TCanvas *c8 = new TCanvas("c8","c8",0,0,600,500); |
| fee9ef0d |
1158 | TH2F *fr8 = new TH2F("fr8","",2,0,80,2,0,2.); |
| 1159 | fr8->SetXTitle("SPD tracklets"); |
| 820252d7 |
1160 | fr8->SetYTitle("pull"); |
| 1161 | fr8->Draw(); |
| 1162 | TGraphErrors *gr8x = new TGraphErrors(6,mult2,xpull,sigmamult2,expull); |
| 1163 | gr8x->Draw("p"); |
| 1164 | gr8x->SetMarkerStyle(22); |
| 1165 | TGraphErrors *gr8z = new TGraphErrors(6,mult2,zpull,sigmamult2,ezpull); |
| 1166 | gr8z->Draw("p"); |
| 1167 | gr8z->SetMarkerStyle(26); |
| 1168 | TLegend *leg8 = new TLegend(0.6,0.75,0.9,0.9); |
| 1169 | leg8->AddEntry(gr6x,"x/y coordinate","p"); |
| 1170 | leg8->AddEntry(gr6z,"z coordinate","p"); |
| 1171 | leg8->SetFillStyle(0); |
| 1172 | leg8->SetBorderSize(0); |
| 1173 | leg8->Draw(); |
| fee9ef0d |
1174 | TLine *l8 = new TLine(0,1,80,1); |
| 820252d7 |
1175 | l8->SetLineStyle(2); |
| 1176 | l8->Draw(); |
| 1177 | |
| fee9ef0d |
1178 | |
| 1179 | // mean z res VS zMC |
| 1180 | Float_t zmc[15]={-14,-12,-10,-8,-6,-4,-2,0,2,4,6,8,10,12,14}; |
| 1181 | Float_t ezmc[15]; |
| 1182 | Float_t dzmean[15],edzmean[15]; |
| 1183 | Int_t dummy; |
| 1184 | TCanvas *zz = new TCanvas("zz","zz",0,0,1000,1000); |
| 1185 | zz->Divide(5,3); |
| 1186 | for(l=0;l<15;l++) { |
| 1187 | zz->cd(l+1); |
| 1188 | hdz_z[l].Draw(); |
| 1189 | g->SetRange(-3.*hdz_z[l].GetRMS(),+3.*hdz_z[l].GetRMS()); |
| 1190 | hdz_z[l].Fit("g","Q"); |
| 1191 | dzmean[l]=g->GetParameter(1); |
| 1192 | edzmean[l]=g->GetParError(1); |
| 1193 | ezmc[l]=1.; |
| 1194 | } |
| 1195 | TCanvas *zzz = new TCanvas("zzz","zzz",0,0,600,500); |
| 43c9dae1 |
1196 | TH2F *fr9 = new TH2F("fr9","",2,-15,15,2,-50*rangefactor,50*rangefactor); |
| fee9ef0d |
1197 | fr9->SetXTitle("z_{true} [cm]"); |
| 1198 | fr9->SetYTitle("<z_{rec} - z_{true}> [#mu m]"); |
| 1199 | fr9->Draw(); |
| 1200 | TGraphErrors *grz = new TGraphErrors(15,zmc,dzmean,ezmc,edzmean); |
| 1201 | grz->Draw("pz"); |
| 1202 | grz->SetMarkerStyle(20); |
| 1203 | |
| 1204 | |
| 820252d7 |
1205 | return; |
| 1206 | } |
| 1207 | //---------------------------------------------------------------------------- |
| fee9ef0d |
1208 | void SaveFigures(TString name="dummy") { |
| 1209 | |
| 1210 | TString namefull; |
| 1211 | |
| 1212 | namefull = name.Data(); |
| 1213 | namefull.Prepend("plots/residualsx_"); |
| 1214 | namefull.Append(".gif"); |
| 1215 | ax->Print(namefull.Data()); |
| 1216 | namefull = name.Data(); |
| 1217 | namefull.Prepend("plots/residualsx_"); |
| 1218 | namefull.Append(".ps"); |
| 1219 | ax->Print(namefull.Data()); |
| 1220 | namefull = name.Data(); |
| 1221 | namefull.Prepend("plots/residualsx_"); |
| 1222 | namefull.Append(".eps"); |
| 1223 | ax->Print(namefull.Data()); |
| 1224 | namefull = name.Data(); |
| 1225 | namefull.Prepend("plots/residualsx_"); |
| 1226 | namefull.Append(".root"); |
| 1227 | ax->Print(namefull.Data()); |
| 1228 | |
| 1229 | namefull = name.Data(); |
| 1230 | namefull.Prepend("plots/pullsx_"); |
| 1231 | namefull.Append(".gif"); |
| 1232 | bx->Print(namefull.Data()); |
| 1233 | namefull = name.Data(); |
| 1234 | namefull.Prepend("plots/pullsx_"); |
| 1235 | namefull.Append(".ps"); |
| 1236 | bx->Print(namefull.Data()); |
| 1237 | namefull = name.Data(); |
| 1238 | namefull.Prepend("plots/pullsx_"); |
| 1239 | namefull.Append(".eps"); |
| 1240 | bx->Print(namefull.Data()); |
| 1241 | namefull = name.Data(); |
| 1242 | namefull.Prepend("plots/pullsx_"); |
| 1243 | namefull.Append(".root"); |
| 1244 | bx->Print(namefull.Data()); |
| 1245 | |
| 1246 | namefull = name.Data(); |
| 1247 | namefull.Prepend("plots/residualsz_"); |
| 1248 | namefull.Append(".gif"); |
| 1249 | az->Print(namefull.Data()); |
| 1250 | namefull = name.Data(); |
| 1251 | namefull.Prepend("plots/residualsz_"); |
| 1252 | namefull.Append(".ps"); |
| 1253 | az->Print(namefull.Data()); |
| 1254 | namefull = name.Data(); |
| 1255 | namefull.Prepend("plots/residualsz_"); |
| 1256 | namefull.Append(".eps"); |
| 1257 | az->Print(namefull.Data()); |
| 1258 | namefull = name.Data(); |
| 1259 | namefull.Prepend("plots/residualsz_"); |
| 1260 | namefull.Append(".root"); |
| 1261 | az->Print(namefull.Data()); |
| 1262 | |
| 1263 | namefull = name.Data(); |
| 1264 | namefull.Prepend("plots/pullsz_"); |
| 1265 | namefull.Append(".gif"); |
| 1266 | bz->Print(namefull.Data()); |
| 1267 | namefull = name.Data(); |
| 1268 | namefull.Prepend("plots/pullsz_"); |
| 1269 | namefull.Append(".ps"); |
| 1270 | bz->Print(namefull.Data()); |
| 1271 | namefull = name.Data(); |
| 1272 | namefull.Prepend("plots/pullsz_"); |
| 1273 | namefull.Append(".eps"); |
| 1274 | bz->Print(namefull.Data()); |
| 1275 | namefull = name.Data(); |
| 1276 | namefull.Prepend("plots/pullsz_"); |
| 1277 | namefull.Append(".root"); |
| 1278 | bz->Print(namefull.Data()); |
| 1279 | |
| 1280 | namefull = name.Data(); |
| 1281 | namefull.Prepend("plots/effVSntracklets_"); |
| 1282 | namefull.Append(".gif"); |
| 1283 | c1a->Print(namefull.Data()); |
| 1284 | namefull = name.Data(); |
| 1285 | namefull.Prepend("plots/effVSntracklets_"); |
| 1286 | namefull.Append(".ps"); |
| 1287 | c1a->Print(namefull.Data()); |
| 1288 | namefull = name.Data(); |
| 1289 | namefull.Prepend("plots/effVSntracklets_"); |
| 1290 | namefull.Append(".eps"); |
| 1291 | c1a->Print(namefull.Data()); |
| 1292 | namefull = name.Data(); |
| 1293 | namefull.Prepend("plots/effVSntracklets_"); |
| 1294 | namefull.Append(".root"); |
| 1295 | c1a->Print(namefull.Data()); |
| 1296 | |
| 1297 | |
| 1298 | namefull = name.Data(); |
| 1299 | namefull.Prepend("plots/effVSnitstracks_"); |
| 1300 | namefull.Append(".gif"); |
| 1301 | c1b->Print(namefull.Data()); |
| 1302 | namefull = name.Data(); |
| 1303 | namefull.Prepend("plots/effVSnitstracks_"); |
| 1304 | namefull.Append(".ps"); |
| 1305 | c1b->Print(namefull.Data()); |
| 1306 | namefull = name.Data(); |
| 1307 | namefull.Prepend("plots/effVSnitstracks_"); |
| 1308 | namefull.Append(".eps"); |
| 1309 | c1b->Print(namefull.Data()); |
| 1310 | namefull = name.Data(); |
| 1311 | namefull.Prepend("plots/effVSnitstracks_"); |
| 1312 | namefull.Append(".root"); |
| 1313 | c1b->Print(namefull.Data()); |
| 1314 | |
| 1315 | |
| 1316 | namefull = name.Data(); |
| 1317 | namefull.Prepend("plots/effVSnitstracks5or6_"); |
| 1318 | namefull.Append(".gif"); |
| 1319 | c1c->Print(namefull.Data()); |
| 1320 | namefull = name.Data(); |
| 1321 | namefull.Prepend("plots/effVSnitstracks5or6_"); |
| 1322 | namefull.Append(".ps"); |
| 1323 | c1c->Print(namefull.Data()); |
| 1324 | namefull = name.Data(); |
| 1325 | namefull.Prepend("plots/effVSnitstracks5or6_"); |
| 1326 | namefull.Append(".eps"); |
| 1327 | c1c->Print(namefull.Data()); |
| 1328 | namefull = name.Data(); |
| 1329 | namefull.Prepend("plots/effVSnitstracks5or6_"); |
| 1330 | namefull.Append(".root"); |
| 1331 | c1c->Print(namefull.Data()); |
| 1332 | |
| 1333 | |
| 1334 | namefull = name.Data(); |
| 1335 | namefull.Prepend("plots/effVSzMC_"); |
| 1336 | namefull.Append(".gif"); |
| 1337 | c1e->Print(namefull.Data()); |
| 1338 | namefull = name.Data(); |
| 1339 | namefull.Prepend("plots/effVSzMC_"); |
| 1340 | namefull.Append(".ps"); |
| 1341 | c1e->Print(namefull.Data()); |
| 1342 | namefull = name.Data(); |
| 1343 | namefull.Prepend("plots/effVSzMC_"); |
| 1344 | namefull.Append(".eps"); |
| 1345 | c1e->Print(namefull.Data()); |
| 1346 | namefull = name.Data(); |
| 1347 | namefull.Prepend("plots/effVSzMC_"); |
| 1348 | namefull.Append(".root"); |
| 1349 | c1e->Print(namefull.Data()); |
| 1350 | |
| 1351 | |
| 1352 | |
| 1353 | namefull = name.Data(); |
| 1354 | namefull.Prepend("plots/effVSntracklets2_"); |
| 1355 | namefull.Append(".gif"); |
| 1356 | c5->Print(namefull.Data()); |
| 1357 | namefull = name.Data(); |
| 1358 | namefull.Prepend("plots/effVSntracklets2_"); |
| 1359 | namefull.Append(".ps"); |
| 1360 | c5->Print(namefull.Data()); |
| 1361 | namefull = name.Data(); |
| 1362 | namefull.Prepend("plots/effVSntracklets2_"); |
| 1363 | namefull.Append(".eps"); |
| 1364 | c5->Print(namefull.Data()); |
| 1365 | namefull = name.Data(); |
| 1366 | namefull.Prepend("plots/effVSntracklets2_"); |
| 1367 | namefull.Append(".root"); |
| 1368 | c5->Print(namefull.Data()); |
| 1369 | |
| 1370 | |
| 1371 | namefull = name.Data(); |
| 1372 | namefull.Prepend("plots/sigmaVSntracklets_"); |
| 1373 | namefull.Append(".gif"); |
| 1374 | c6->Print(namefull.Data()); |
| 1375 | namefull = name.Data(); |
| 1376 | namefull.Prepend("plots/sigmaVSntracklets_"); |
| 1377 | namefull.Append(".ps"); |
| 1378 | c6->Print(namefull.Data()); |
| 1379 | namefull = name.Data(); |
| 1380 | namefull.Prepend("plots/sigmaVSntracklets_"); |
| 1381 | namefull.Append(".eps"); |
| 1382 | c6->Print(namefull.Data()); |
| 1383 | namefull = name.Data(); |
| 1384 | namefull.Prepend("plots/sigmaVSntracklets_"); |
| 1385 | namefull.Append(".root"); |
| 1386 | c6->Print(namefull.Data()); |
| 1387 | |
| 1388 | |
| 1389 | namefull = name.Data(); |
| 1390 | namefull.Prepend("plots/pullsVSntracklets_"); |
| 1391 | namefull.Append(".gif"); |
| 1392 | c8->Print(namefull.Data()); |
| 1393 | namefull = name.Data(); |
| 1394 | namefull.Prepend("plots/pullsVSntracklets_"); |
| 1395 | namefull.Append(".ps"); |
| 1396 | c8->Print(namefull.Data()); |
| 1397 | namefull = name.Data(); |
| 1398 | namefull.Prepend("plots/pullsVSntracklets_"); |
| 1399 | namefull.Append(".eps"); |
| 1400 | c8->Print(namefull.Data()); |
| 1401 | namefull = name.Data(); |
| 1402 | namefull.Prepend("plots/pullsVSntracklets_"); |
| 1403 | namefull.Append(".root"); |
| 1404 | c8->Print(namefull.Data()); |
| 1405 | |
| 1406 | |
| 1407 | return; |
| 1408 | } |
| 1409 | //---------------------------------------------------------------------------- |
| 1410 | void TestRmTracks(Int_t iev=0) { |
| 1411 | |
| 1412 | if (gAlice) { |
| 33c3c91a |
1413 | delete AliRunLoader::Instance(); |
| fee9ef0d |
1414 | delete gAlice; |
| 1415 | gAlice=0; |
| 1416 | } |
| 1417 | |
| 1418 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); |
| 1419 | if (rl == 0x0) { |
| 1420 | cerr<<"Can not open session"<<endl; |
| 1421 | return; |
| 1422 | } |
| 1423 | Int_t retval = rl->LoadgAlice(); |
| 1424 | if (retval) { |
| 1425 | cerr<<"LoadgAlice returned error"<<endl; |
| 1426 | delete rl; |
| 1427 | return; |
| 1428 | } |
| 1429 | retval = rl->LoadHeader(); |
| 1430 | if (retval) { |
| 1431 | cerr<<"LoadHeader returned error"<<endl; |
| 1432 | delete rl; |
| 1433 | return; |
| 1434 | } |
| 1435 | gAlice=rl->GetAliRun(); |
| 1436 | // Get field from galice.root |
| 1437 | AliMagF *fiel = (AliMagF*)gAlice->Field(); |
| 1438 | // Set the conversion constant between curvature and Pt |
| 1439 | AliTracker::SetFieldMap(fiel,kTRUE); |
| 1440 | |
| 1441 | Double_t truevtx[3]; |
| 1442 | Double_t vtx[3]; |
| 1443 | Double_t errvtx[3]; |
| 1444 | Double_t diffX,diffY,diffZ; |
| 1445 | Double_t diffXerr,diffYerr,diffZerr; |
| 1446 | Double_t multiplicity; |
| 1447 | Int_t nc; |
| 1448 | |
| 1449 | // ----------- Create vertexer -------------------------- |
| 1450 | AliESDVertex *initVertex = 0; |
| 1451 | TFile *invtx = new TFile("AliESDVertexMean.root"); |
| 1452 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); |
| 1453 | invtx->Close(); |
| 1454 | delete invtx; |
| 1455 | |
| 28e4388a |
1456 | AliVertexerTracks *vertexer = new AliVertexerTracks(AliTracker::GetBz()); |
| fee9ef0d |
1457 | vertexer->SetVtxStart(initVertex); |
| 1458 | vertexer->SetOnlyFitter(); |
| 1459 | vertexer->SetDebug(0); // set to 1 to see what it does |
| 1460 | |
| 1461 | Float_t diamondxy[2]; |
| 1462 | diamondxy[0]=initVertex->GetXv(); |
| 1463 | diamondxy[1]=initVertex->GetYv(); |
| 1464 | //---------------------------------------------------------- |
| 1465 | |
| 1466 | if(gSystem->AccessPathName("AliESDs.root",kFileExists)) { |
| 1467 | printf("AliESDs.root not found!\n"); |
| 1468 | return; |
| 1469 | } |
| 1470 | TFile *fin = TFile::Open("AliESDs.root"); |
| 64cf164e |
1471 | AliESDEvent *esd = new AliESDEvent(); |
| fee9ef0d |
1472 | TTree *esdTree = (TTree*)fin->Get("esdTree"); |
| 1473 | if(!esdTree) return; |
| 64cf164e |
1474 | esd->ReadFromTree(esdTree); |
| fee9ef0d |
1475 | |
| 1476 | TArrayF o; |
| 1477 | |
| 1478 | nc=0; |
| 1479 | |
| 1480 | |
| 1481 | esdTree->GetEvent(iev); |
| 1482 | Int_t ntracks = esd->GetNumberOfTracks(); |
| 1483 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); |
| 1484 | |
| 1485 | // example: do vertex without tracks 1 and 2 (AliESDtrack::GetID()) |
| 1486 | // |
| 1487 | // 1: tell vertexer to skip those two tracks |
| 1488 | // |
| 1489 | Int_t nskip=2; |
| 1490 | Int_t skipped[2]; |
| 1491 | skipped[0]=1; |
| 1492 | skipped[1]=2; |
| 1493 | vertexer->SetSkipTracks(nskip,skipped); |
| 1494 | AliESDVertex *vertex1 = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); |
| 1495 | vertex1->PrintStatus(); |
| 1496 | vertex1->PrintIndices(); |
| 1497 | delete vertex1; |
| 1498 | vertex1 = 0; |
| 1499 | // |
| 1500 | // 2: do vertex with all tracks |
| 1501 | // |
| 1502 | skipped[0]=-99; |
| 1503 | skipped[1]=-99; |
| 1504 | vertexer->SetSkipTracks(nskip,skipped); |
| 1505 | AliESDVertex *vertex2 = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); |
| 1506 | vertex2->PrintStatus(); |
| 1507 | vertex2->PrintIndices(); |
| 1508 | // |
| 1509 | // 3: now remove those two tracks from vertex2 |
| 1510 | // |
| 1511 | TTree *trksTree = new TTree("trksTree","tree with tracks to be removed"); |
| 1512 | AliESDtrack *esdTrack = 0; |
| 1513 | trksTree->Branch("tracks","AliESDtrack",&esdTrack); |
| 1514 | AliESDtrack *et = esd->GetTrack(1); |
| 1515 | esdTrack = new AliESDtrack(*et); |
| 1516 | trksTree->Fill(); |
| 1517 | delete esdTrack; |
| 1518 | AliESDtrack *et = esd->GetTrack(2); |
| 1519 | esdTrack = new AliESDtrack(*et); |
| 1520 | trksTree->Fill(); |
| 1521 | delete esdTrack; |
| 28e4388a |
1522 | AliVertexerTracks vt(AliTracker::GetBz()); |
| fee9ef0d |
1523 | AliESDVertex *vertex3 = vt.RemoveTracksFromVertex(vertex2,trksTree,diamondxy); |
| 1524 | vertex3->PrintStatus(); |
| 1525 | vertex3->PrintIndices(); |
| 1526 | delete vertex2; |
| 1527 | vertex2 = 0; |
| 1528 | delete vertex3; |
| 1529 | vertex3 = 0; |
| 1530 | |
| 1531 | |
| 1532 | delete esdTree; |
| 1533 | delete fin; |
| 1534 | vertexer =0; |
| 1535 | delete vertexer; |
| 1536 | delete initVertex; |
| 1537 | |
| 1538 | return; |
| 1539 | } |
| 1540 | //---------------------------------------------------------------------------- |
| 820252d7 |
1541 | void AliComputeVtxMeanFromESD(TString file="AliESDs.root", |
| 1542 | Int_t mincontr=20) { |
| 1543 | //----------------------------------------------------------------------- |
| 1544 | // Compute weighted mean and cov. matrix from a set of AliESD |
| 1545 | //----------------------------------------------------------------------- |
| 1546 | |
| 1547 | gStyle->SetOptStat(0); |
| 1548 | //gStyle->SetOptFit(0); |
| 1549 | |
| 1550 | |
| 1551 | Double_t vtx[3],covvtx[6]; |
| 1552 | TTree *esdTree = 0; |
| 64cf164e |
1553 | AliESDEvent *esd = new AliESDEvent(); |
| 820252d7 |
1554 | AliESDVertex *vertex = 0; |
| 1555 | TString vtitle; |
| 1556 | Int_t nc,events,total=0; |
| 1557 | |
| 1558 | Double_t avx=0.; |
| 1559 | Double_t avy=0.; |
| 1560 | Double_t avz=0.; |
| 1561 | Double_t wgtavx=0.; |
| 1562 | Double_t wgtavy=0.; |
| 1563 | Double_t wgtavz=0.; |
| 1564 | Double_t sum=0.; |
| 1565 | Double_t sumwgtx=0.; |
| 1566 | Double_t sumwgty=0.; |
| 1567 | Double_t sumwgtz=0.; |
| 1568 | Double_t rmsx=0; |
| 1569 | Double_t rmsy=0; |
| 1570 | Double_t rmsz=0; |
| 1571 | Double_t varx=0; |
| 1572 | Double_t vary=0; |
| 1573 | Double_t varz=0; |
| 1574 | Double_t covxy=0; |
| 1575 | Double_t covxz=0; |
| 1576 | Double_t covyz=0; |
| 1577 | Double_t eavx,eavy,eavz,ewgtavx,ewgtavy,ewgtavz; |
| 1578 | |
| 1579 | TH1F* hx = new TH1F("hx","",200,-1000,1000); |
| 1580 | hx->SetXTitle("vertex x [#mu m]"); |
| 1581 | hx->SetYTitle("events"); |
| 1582 | TH1F* hy = new TH1F("hy","",200,-1000,1000); |
| 1583 | hy->SetXTitle("vertex y [#mu m]"); |
| 1584 | hy->SetYTitle("events"); |
| 1585 | TH1F* hz = new TH1F("hz","",200,-10,10); |
| 1586 | hz->SetXTitle("vertex z [cm]"); |
| 1587 | hz->SetYTitle("events"); |
| 1588 | |
| 1589 | |
| 1590 | for(Int_t i=1; i<100; i++) { |
| 1591 | TString inname="event."; |
| 1592 | inname+=i; |
| 1593 | inname.Append("/"); |
| 1594 | inname.Append(file.Data()); |
| 1595 | if(gSystem->AccessPathName(inname.Data())) continue; |
| 1596 | TFile *fin = TFile::Open(inname.Data()); |
| 1597 | esdTree = (TTree*)fin->Get("esdTree"); |
| 1598 | if(!esdTree) continue; |
| 64cf164e |
1599 | esd->ReadFromTree(esdTree); |
| 820252d7 |
1600 | events = esdTree->GetEntries(); |
| 1601 | printf("Number of events in ESD tree: %d\n",events); |
| 1602 | total += events; |
| 1603 | |
| 1604 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS |
| 1605 | esdTree->GetEvent(iev); |
| 1606 | vertex = (AliESDVertex*)esd->GetPrimaryVertex(); |
| 1607 | if(!vertex) continue; |
| 1608 | nc = vertex->GetNContributors(); |
| 1609 | if(nc<mincontr) continue; |
| 1610 | vertex->GetXYZ(vtx); |
| 1611 | vertex->GetSigmaXYZ(errvtx); |
| 1612 | //printf("%f %f %f %f %f %f\n",vtx[0],vtx[1],vtx[2],errvtx[0],errvtx[1],errvtx[2]); |
| 1613 | |
| 1614 | avx += vtx[0]; |
| 1615 | avy += vtx[1]; |
| 1616 | avz += vtx[2]; |
| 1617 | sum += 1.; |
| 1618 | wgtavx += vtx[0]/errvtx[0]/errvtx[0]; |
| 1619 | wgtavy += vtx[1]/errvtx[1]/errvtx[1]; |
| 1620 | wgtavz += vtx[2]/errvtx[2]/errvtx[2]; |
| 1621 | sumwgtx += 1./errvtx[0]/errvtx[0]; |
| 1622 | sumwgty += 1./errvtx[1]/errvtx[1]; |
| 1623 | sumwgtz += 1./errvtx[2]/errvtx[2]; |
| 1624 | |
| 1625 | hx->Fill(1e4*vtx[0]); |
| 1626 | hy->Fill(1e4*vtx[1]); |
| 1627 | hz->Fill(vtx[2]); |
| 1628 | |
| 1629 | vertex = 0; |
| 1630 | } |
| 1631 | esdTree=0; |
| 1632 | fin->Close(); |
| 1633 | delete fin; |
| 1634 | } |
| 1635 | |
| 1636 | avx /= sum; |
| 1637 | avy /= sum; |
| 1638 | avz /= sum; |
| 1639 | wgtavx /= sumwgtx; |
| 1640 | wgtavy /= sumwgty; |
| 1641 | wgtavz /= sumwgtz; |
| 1642 | ewgtavx = 1./TMath::Sqrt(sumwgtx); |
| 1643 | ewgtavy = 1./TMath::Sqrt(sumwgty); |
| 1644 | ewgtavz = 1./TMath::Sqrt(sumwgtz); |
| 1645 | |
| 1646 | |
| 1647 | for(Int_t i=1; i<100; i++) { |
| 1648 | TString inname="event."; |
| 1649 | inname+=i; |
| 1650 | inname.Append("/"); |
| 1651 | inname.Append(file.Data()); |
| 1652 | if(gSystem->AccessPathName(inname.Data())) continue; |
| 1653 | TFile *fin = TFile::Open(inname.Data()); |
| 1654 | esdTree = (TTree*)fin->Get("esdTree"); |
| 1655 | if(!esdTree) continue; |
| 64cf164e |
1656 | esd->ReadFromTree(esdTree); |
| 820252d7 |
1657 | events = esdTree->GetEntries(); |
| 1658 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS |
| 1659 | esdTree->GetEvent(iev); |
| 1660 | vertex = (AliESDVertex*)esd->GetPrimaryVertex(); |
| 1661 | if(!vertex) continue; |
| 1662 | nc = vertex->GetNContributors(); |
| 1663 | if(nc<mincontr) continue; |
| 1664 | vertex->GetXYZ(vtx); |
| 1665 | vertex->GetSigmaXYZ(errvtx); |
| 1666 | |
| 1667 | varx += (vtx[0]-avx)*(vtx[0]-avx); |
| 1668 | vary += (vtx[1]-avy)*(vtx[1]-avy); |
| 1669 | varz += (vtx[2]-avz)*(vtx[2]-avz); |
| 1670 | covxy += (vtx[0]-avx)*(vtx[1]-avy); |
| 1671 | covxz += (vtx[0]-avx)*(vtx[2]-avz); |
| 1672 | covyz += (vtx[1]-avy)*(vtx[2]-avz); |
| 1673 | |
| 1674 | vertex = 0; |
| 1675 | } |
| 1676 | } |
| 1677 | |
| 1678 | varx /= sum; |
| 1679 | vary /= sum; |
| 1680 | varz /= sum; |
| 1681 | covxy /= sum; |
| 1682 | covxz /= sum; |
| 1683 | covyz /= sum; |
| 1684 | rmsx = TMath::Sqrt(varx); |
| 1685 | rmsy = TMath::Sqrt(vary); |
| 1686 | rmsz = TMath::Sqrt(varz); |
| 1687 | eavx = rmsx/TMath::Sqrt(sum); |
| 1688 | eavy = rmsy/TMath::Sqrt(sum); |
| 1689 | eavz = rmsz/TMath::Sqrt(sum); |
| 1690 | |
| 1691 | |
| 1692 | printf("\n\nNumber of events: Total %d, Used %d\n",total,sum); |
| 1693 | printf("Average:\n x = (%f +- %f) mum\n y = (%f +- %f) mum\n z = (%f +- %f) mu\n",1e4*avx,1e4*eavx,1e4*avy,1e4*eavy,1e4*avz,1e4*eavz); |
| 1694 | printf("Weighted Average:\n x = (%f +- %f) mum\n y = (%f +- %f) mum\n z = (%f +- %f) mum\n",1e4*wgtavx,1e4*ewgtavx,1e4*wgtavy,1e4*ewgtavy,1e4*wgtavz,1e4*ewgtavz); |
| 1695 | printf("RMS:\n x = %f mum\n y = %f mum\n z = %f mum\n",1e4*rmsx,1e4*rmsy,1e4*rmsz); |
| 1696 | |
| 1697 | TCanvas *c = new TCanvas("c","c",0,0,1000,500); |
| 1698 | c->Divide(3,1); |
| 1699 | c->cd(1); |
| 1700 | hx->Draw(); |
| 1701 | TF1 *gx = new TF1("gx","gaus",-1000,1000); |
| 1702 | gx->SetLineColor(2); |
| 1703 | hx->Fit(gx); |
| 1704 | TF1 *gxx = (TF1*)gx->Clone("gxx"); |
| 1705 | gxx->FixParameter(2,50.); |
| 1706 | gxx->SetLineStyle(2); |
| 1707 | gxx->Draw("same"); |
| 1708 | c->cd(2); |
| 1709 | hy->Draw(); |
| 1710 | TF1 *gy = new TF1("gy","gaus",-1000,1000); |
| 1711 | gy->SetLineColor(2); |
| 1712 | hy->Fit(gy); |
| 1713 | TF1 *gyy = (TF1*)gy->Clone("gyy"); |
| 1714 | gyy->FixParameter(2,50.); |
| 1715 | gyy->SetLineStyle(2); |
| 1716 | gyy->Draw("same"); |
| 1717 | c->cd(3); |
| 1718 | hz->Draw(); |
| 1719 | TF1 *gz = new TF1("gz","gaus",-10,10); |
| 1720 | gz->SetLineColor(2); |
| 1721 | hz->Fit(gz); |
| 1722 | TF1 *gzz = (TF1*)gz->Clone("gzz"); |
| 1723 | gzz->FixParameter(2,5.3); |
| 1724 | gzz->SetLineStyle(2); |
| 1725 | gzz->Draw("same"); |
| 1726 | |
| 1727 | vtx[0] = wgtavx; |
| 1728 | vtx[1] = wgtavy; |
| 1729 | vtx[2] = wgtavz; |
| 1730 | covvtx[0] = varx; |
| 1731 | covvtx[1] = covxy; |
| 1732 | covvtx[2] = vary; |
| 1733 | covvtx[3] = covxz; |
| 1734 | covvtx[4] = covyz; |
| 1735 | covvtx[5] = 5.3; |
| 1736 | AliESDVertex *vtxmean = new AliESDVertex(vtx,covvtx,0.,(Int_t)sum); |
| 1737 | vtxmean->SetTitle("Vertex from weighted average"); |
| 1738 | TFile *out = new TFile("AliESDVertexMean.root","recreate"); |
| 1739 | vtxmean->Write("vtxmean"); |
| 1740 | out->Close(); |
| 1741 | |
| 1742 | return; |
| 1743 | } |
| 1744 | //---------------------------------------------------------------------------- |
| 1745 | void AliComputeVtxMeanFromTree(TString file="AliESDVertices.root", |
| 1746 | Int_t mincontr=20) { |
| 1747 | //----------------------------------------------------------------------- |
| 1748 | // Compute weighted mean and cov. matrix from a set of AliESDVertices |
| 1749 | //----------------------------------------------------------------------- |
| 1750 | gStyle->SetOptStat(0); |
| 1751 | //gStyle->SetOptFit(0); |
| 1752 | |
| 1753 | |
| 1754 | Double_t vtx[3],covvtx[6]; |
| 1755 | TString vtitle; |
| 1756 | Int_t nc,total=0; |
| 1757 | |
| 1758 | Double_t avx=0.; |
| 1759 | Double_t avy=0.; |
| 1760 | Double_t avz=0.; |
| 1761 | Double_t wgtavx=0.; |
| 1762 | Double_t wgtavy=0.; |
| 1763 | Double_t wgtavz=0.; |
| 1764 | Double_t sum=0.; |
| 1765 | Double_t sumwgtx=0.; |
| 1766 | Double_t sumwgty=0.; |
| 1767 | Double_t sumwgtz=0.; |
| 1768 | Double_t rmsx=0; |
| 1769 | Double_t rmsy=0; |
| 1770 | Double_t rmsz=0; |
| 1771 | Double_t eavx,eavy,eavz,ewgtavx,ewgtavy,ewgtavz; |
| 1772 | |
| 1773 | TH1F* hx = new TH1F("hx","",200,-1000,1000); |
| 1774 | hx->SetXTitle("vertex x [#mu m]"); |
| 1775 | hx->SetYTitle("events"); |
| 1776 | TH1F* hy = new TH1F("hy","",200,-1000,1000); |
| 1777 | hy->SetXTitle("vertex y [#mu m]"); |
| 1778 | hy->SetYTitle("events"); |
| 1779 | TH1F* hz = new TH1F("hz","",200,-10,10); |
| 1780 | hz->SetXTitle("vertex z [cm]"); |
| 1781 | hz->SetYTitle("events"); |
| 1782 | |
| 1783 | |
| 1784 | if(gSystem->AccessPathName(file.Data())) continue; |
| 1785 | TFile *fin = TFile::Open(file.Data()); |
| 1786 | TTree *tree = (TTree*)fin->Get("TreeV"); |
| 1787 | AliESDVertex *vertex = 0; |
| 1788 | tree->SetBranchAddress("AliESDVertex",&vertex); |
| 1789 | Int_t entries = (Int_t)tree->GetEntries(); |
| 1790 | |
| 1791 | for(Int_t i=0; i<entries; i++) { |
| 1792 | total += 1; |
| 1793 | tree->GetEvent(i); |
| 1794 | nc = vertex->GetNContributors(); |
| 1795 | if(nc<mincontr) continue; |
| 1796 | vertex->GetXYZ(vtx); |
| 1797 | vertex->GetSigmaXYZ(errvtx); |
| 1798 | //printf("%f %f %f %f %f %f\n",vtx[0],vtx[1],vtx[2],errvtx[0],errvtx[1],errvtx[2]); |
| 1799 | |
| 1800 | avx += vtx[0]; |
| 1801 | avy += vtx[1]; |
| 1802 | avz += vtx[2]; |
| 1803 | sum += 1.; |
| 1804 | wgtavx += vtx[0]/errvtx[0]/errvtx[0]; |
| 1805 | wgtavy += vtx[1]/errvtx[1]/errvtx[1]; |
| 1806 | wgtavz += vtx[2]/errvtx[2]/errvtx[2]; |
| 1807 | sumwgtx += 1./errvtx[0]/errvtx[0]; |
| 1808 | sumwgty += 1./errvtx[1]/errvtx[1]; |
| 1809 | sumwgtz += 1./errvtx[2]/errvtx[2]; |
| 1810 | |
| 1811 | hx->Fill(1e4*vtx[0]); |
| 1812 | hy->Fill(1e4*vtx[1]); |
| 1813 | hz->Fill(vtx[2]); |
| 1814 | |
| 1815 | vertex = 0; |
| 1816 | } |
| 1817 | |
| 1818 | avx /= sum; |
| 1819 | avy /= sum; |
| 1820 | avz /= sum; |
| 1821 | wgtavx /= sumwgtx; |
| 1822 | wgtavy /= sumwgty; |
| 1823 | wgtavz /= sumwgtz; |
| 1824 | ewgtavx = 1./TMath::Sqrt(sumwgtx); |
| 1825 | ewgtavy = 1./TMath::Sqrt(sumwgty); |
| 1826 | ewgtavz = 1./TMath::Sqrt(sumwgtz); |
| 1827 | |
| 1828 | |
| 1829 | for(Int_t i=0; i<entries; i++) { |
| 1830 | tree->GetEvent(i); |
| 1831 | nc = vertex->GetNContributors(); |
| 1832 | if(nc<mincontr) continue; |
| 1833 | vertex->GetXYZ(vtx); |
| 1834 | vertex->GetSigmaXYZ(errvtx); |
| 1835 | |
| 1836 | varx += (vtx[0]-avx)*(vtx[0]-avx); |
| 1837 | vary += (vtx[1]-avy)*(vtx[1]-avy); |
| 1838 | varz += (vtx[2]-avz)*(vtx[2]-avz); |
| 1839 | covxy += (vtx[0]-avx)*(vtx[1]-avy); |
| 1840 | covxz += (vtx[0]-avx)*(vtx[2]-avz); |
| 1841 | covyz += (vtx[1]-avy)*(vtx[2]-avz); |
| 1842 | |
| 1843 | vertex = 0; |
| 1844 | } |
| 1845 | |
| 1846 | varx /= sum; |
| 1847 | vary /= sum; |
| 1848 | varz /= sum; |
| 1849 | covxy /= sum; |
| 1850 | covxz /= sum; |
| 1851 | covyz /= sum; |
| 1852 | rmsx = TMath::Sqrt(varx); |
| 1853 | rmsy = TMath::Sqrt(vary); |
| 1854 | rmsz = TMath::Sqrt(varz); |
| 1855 | eavx = rmsx/TMath::Sqrt(sum); |
| 1856 | eavy = rmsy/TMath::Sqrt(sum); |
| 1857 | eavz = rmsz/TMath::Sqrt(sum); |
| 1858 | |
| 1859 | |
| 1860 | printf("\n\nNumber of events: Total %d, Used %d\n",total,sum); |
| 1861 | printf("Average:\n x = (%f +- %f) mum\n y = (%f +- %f) mum\n z = (%f +- %f) mu\n",1e4*avx,1e4*eavx,1e4*avy,1e4*eavy,1e4*avz,1e4*eavz); |
| 1862 | printf("Weighted Average:\n x = (%f +- %f) mum\n y = (%f +- %f) mum\n z = (%f +- %f) mum\n",1e4*wgtavx,1e4*ewgtavx,1e4*wgtavy,1e4*ewgtavy,1e4*wgtavz,1e4*ewgtavz); |
| 1863 | printf("RMS:\n x = %f mum\n y = %f mum\n z = %f mum\n",1e4*rmsx,1e4*rmsy,1e4*rmsz); |
| 1864 | |
| 1865 | TCanvas *c = new TCanvas("c","c",0,0,1000,500); |
| 1866 | c->Divide(3,1); |
| 1867 | c->cd(1); |
| 1868 | hx->Draw(); |
| 1869 | TF1 *gx = new TF1("gx","gaus",-1000,1000); |
| 1870 | gx->SetLineColor(2); |
| 1871 | hx->Fit(gx); |
| 1872 | TF1 *gxx = (TF1*)gx->Clone("gxx"); |
| 1873 | gxx->FixParameter(2,50.); |
| 1874 | gxx->SetLineStyle(2); |
| 1875 | gxx->Draw("same"); |
| 1876 | c->cd(2); |
| 1877 | hy->Draw(); |
| 1878 | TF1 *gy = new TF1("gy","gaus",-1000,1000); |
| 1879 | gy->SetLineColor(2); |
| 1880 | hy->Fit(gy); |
| 1881 | TF1 *gyy = (TF1*)gy->Clone("gyy"); |
| 1882 | gyy->FixParameter(2,50.); |
| 1883 | gyy->SetLineStyle(2); |
| 1884 | gyy->Draw("same"); |
| 1885 | c->cd(3); |
| 1886 | hz->Draw(); |
| 1887 | TF1 *gz = new TF1("gz","gaus",-10,10); |
| 1888 | gz->SetLineColor(2); |
| 1889 | hz->Fit(gz); |
| 1890 | TF1 *gzz = (TF1*)gz->Clone("gzz"); |
| 1891 | gzz->FixParameter(2,5.3); |
| 1892 | gzz->SetLineStyle(2); |
| 1893 | gzz->Draw("same"); |
| 1894 | |
| 1895 | vtx[0] = wgtavx; |
| 1896 | vtx[1] = wgtavy; |
| 1897 | vtx[2] = wgtavz; |
| 1898 | covvtx[0] = varx; |
| 1899 | covvtx[1] = covxy; |
| 1900 | covvtx[2] = vary; |
| 1901 | covvtx[3] = covxz; |
| 1902 | covvtx[4] = covyz; |
| 1903 | covvtx[5] = 5.3; |
| 1904 | AliESDVertex *vtxmean = new AliESDVertex(vtx,covvtx,0.,(Int_t)sum); |
| 1905 | vtxmean->SetTitle("Vertex from weighted average"); |
| 1906 | TFile *out = new TFile("AliESDVertexMean.root","recreate"); |
| 1907 | vtxmean->Write("vtxmean"); |
| 1908 | out->Close(); |
| 1909 | |
| 1910 | return; |
| 1911 | } |
| 1912 | //--------------------------------------------------------------------------- |
| 43c9dae1 |
1913 | |
git://git.uio.no / u / mrichter / AliRoot.git / blame