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Commit | Line | Data |
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820252d7 | 1 | void AliVertexerTracksTest(Double_t nSigma=3., |
fee9ef0d | 2 | Bool_t useMeanVtx=kFALSE, |
3 | Int_t itsin=1, | |
4 | Int_t itsrefit=1, | |
5 | Double_t maxd0z0=0.5, | |
6 | Int_t minitscls=5, | |
7 | Int_t mintracks=1, | |
8 | TString outname="AliVertexerTracksTest.root", | |
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 | // | |
820252d7 | 15 | if (gAlice) { |
16 | delete gAlice->GetRunLoader(); | |
17 | delete gAlice; | |
18 | gAlice=0; | |
19 | } | |
20 | ||
21 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); | |
22 | if (rl == 0x0) { | |
23 | cerr<<"Can not open session"<<endl; | |
24 | return; | |
25 | } | |
26 | Int_t retval = rl->LoadgAlice(); | |
27 | if (retval) { | |
28 | cerr<<"LoadgAlice returned error"<<endl; | |
29 | delete rl; | |
30 | return; | |
31 | } | |
32 | retval = rl->LoadHeader(); | |
33 | if (retval) { | |
34 | cerr<<"LoadHeader returned error"<<endl; | |
35 | delete rl; | |
36 | return; | |
37 | } | |
38 | gAlice=rl->GetAliRun(); | |
fee9ef0d | 39 | |
40 | //rl->LoadKinematics(); | |
41 | ||
820252d7 | 42 | // Get field from galice.root |
43 | AliMagF *fiel = (AliMagF*)gAlice->Field(); | |
44 | // Set the conversion constant between curvature and Pt | |
45 | AliTracker::SetFieldMap(fiel,kTRUE); | |
46 | ||
47 | //**** Switch on the PID class | |
48 | AliPID pid; | |
49 | ||
50 | Int_t nEvents = (Int_t)rl->GetNumberOfEvents(); | |
51 | ||
52 | Double_t truevtx[3]; | |
53 | Double_t vtx[3]; | |
54 | Double_t errvtx[3]; | |
55 | Double_t diffX,diffY,diffZ; | |
56 | Double_t diffXerr,diffYerr,diffZerr; | |
fee9ef0d | 57 | Float_t multiplicity; |
58 | Float_t chi2red; | |
59 | Int_t ntracklets; | |
820252d7 | 60 | Int_t nc; |
fee9ef0d | 61 | Int_t triggered; |
820252d7 | 62 | |
63 | // Histograms | |
64 | TH1F *hdiffX = new TH1F("hdiffX","x_{found} - x_{true} [#mum]",1000,-5000,5000); | |
65 | TH1F *hdiffY = new TH1F("hdiffY","y_{found} - y_{true} [#mum]",1000,-5000,5000); | |
66 | TH1F *hdiffZ = new TH1F("hdiffZ","z_{found} - z_{true} [#mum]",1000,-5000,5000); | |
67 | ||
68 | TH1F *hdiffXerr = new TH1F("hdiffXerr","#Delta x/#sigma_{x}",100,-5,5); | |
69 | TH1F *hdiffYerr = new TH1F("hdiffYerr","#Delta y/#sigma_{y}",100,-5,5); | |
70 | TH1F *hdiffZerr = new TH1F("hdiffZerr","#Delta z/#sigma_{z}",100,-5,5); | |
71 | ||
72 | //TNtple | |
fee9ef0d | 73 | 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 | 74 | |
75 | ||
76 | ||
77 | // ----------- Create vertexer -------------------------- | |
78 | AliESDVertex *initVertex = 0; | |
79 | if(useMeanVtx) { | |
80 | // open the mean vertex | |
81 | TFile *invtx = new TFile("AliESDVertexMean.root"); | |
82 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); | |
83 | invtx->Close(); | |
84 | delete invtx; | |
85 | } else { | |
86 | Double_t pos[3]={0.5,0.5,0.}; | |
87 | Double_t err[3]={3.,3.,5.}; | |
88 | initVertex = new AliESDVertex(pos,err); | |
89 | } | |
90 | AliVertexerTracks *vertexer = new AliVertexerTracks(); | |
fee9ef0d | 91 | vertexer->SetDebug(1); // set to 1 to see what it does |
820252d7 | 92 | vertexer->SetVtxStart(initVertex); |
fee9ef0d | 93 | if(!useMeanVtx) vertexer->SetNoConstraint(); |
94 | if(onlyfit) vertexer->SetOnlyFitter(); | |
820252d7 | 95 | vertexer->SetNSigmad0(nSigma); |
fee9ef0d | 96 | if(!itsrefit) vertexer->SetITSrefitNotRequired(); |
97 | if(!itsin) vertexer->SetITSNotRequired(); | |
98 | vertexer->SetMinTracks(mintracks); | |
99 | vertexer->SetMinITSClusters(minitscls); | |
100 | vertexer->SetMaxd0z0(maxd0z0); | |
820252d7 | 101 | //cout<<" Nsigma: "<<vertexer->GetNSigmad0()<<endl; |
820252d7 | 102 | //---------------------------------------------------------- |
103 | ||
fee9ef0d | 104 | |
820252d7 | 105 | if(gSystem->AccessPathName("AliESDs.root",kFileExists)) { |
106 | printf("AliESDs.root not found!\n"); | |
107 | return; | |
108 | } | |
109 | TFile *fin = TFile::Open("AliESDs.root"); | |
110 | TTree *esdTree = (TTree*)fin->Get("esdTree"); | |
111 | if(!esdTree) return; | |
112 | AliESD *esd = 0; | |
113 | esdTree->SetBranchAddress("ESD",&esd); | |
114 | Int_t events = esdTree->GetEntries(); | |
115 | printf("Number of events in ESD tree: %d\n",events); | |
116 | ||
117 | TArrayF o; | |
118 | ||
119 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS | |
120 | printf("-------------- EVENT %d --------------------\n",iev); | |
121 | ||
122 | diffX=99999; | |
123 | diffY=99999; | |
124 | diffZ=99999; | |
125 | diffXerr=99999; | |
126 | diffYerr=99999; | |
127 | diffZerr=99999; | |
128 | nc=0; | |
129 | ||
130 | //================================================= | |
131 | // LOOK IN THE SIMULATION | |
132 | // true vertex position | |
133 | Int_t npart = (Int_t)gAlice->GetEvent(iev); | |
134 | printf("particles %d\n",npart); | |
135 | AliHeader *header = (AliHeader*)rl->GetHeader(); | |
136 | AliGenPythiaEventHeader *pyheader = (AliGenPythiaEventHeader*)header->GenEventHeader(); | |
137 | pyheader->PrimaryVertex(o); | |
138 | truevtx[0] = o[0]; | |
139 | truevtx[1] = o[1]; | |
140 | truevtx[2] = o[2]; | |
141 | printf("True Vertex: (%f, %f, %f)\n",o[0],o[1],o[2]); | |
142 | ||
143 | Double_t dNchdy = 0.; | |
144 | multiplicity=0.; | |
145 | Int_t nitstracks = 0; | |
820252d7 | 146 | Int_t nitstracks1 = 0; |
147 | Int_t nitstracks2 = 0; | |
148 | Int_t nitstracks3 = 0; | |
149 | Int_t nitstracks4 = 0; | |
150 | Int_t nitstracks5 = 0; | |
151 | Int_t nitstracks6 = 0; | |
152 | Int_t nitstracks5or6 = 0; | |
820252d7 | 153 | |
154 | ||
155 | esdTree->GetEvent(iev); | |
fee9ef0d | 156 | triggered=0; |
157 | chi2red=0.; | |
158 | ULong64_t triggerMask = esd->GetTriggerMask(); | |
159 | if(triggerMask&32 && ((triggerMask&1) || (triggerMask&2))) triggered=1; | |
160 | ||
161 | // get # of tracklets | |
162 | AliMultiplicity *alimult = esd->GetMultiplicity(); | |
163 | if(alimult) { | |
164 | ntracklets = alimult->GetNumberOfTracklets(); | |
165 | for(Int_t l=0;l<alimult->GetNumberOfTracklets();l++) | |
166 | if(alimult->GetDeltaPhi(l)<-9998.) ntracklets--; | |
167 | } else { | |
168 | ntracklets = 0; | |
169 | } | |
170 | printf("Number of SPD tracklets in ESD %d : %d\n",iev,ntracklets); | |
171 | multiplicity = (Float_t)ntracklets; | |
172 | ||
820252d7 | 173 | Int_t ntracks = esd->GetNumberOfTracks(); |
174 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); | |
175 | if(ntracks==0) { | |
fee9ef0d | 176 | ntVtxRes->Fill(triggered,ntracks,nitstracks,nitstracks5or6,diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,multiplicity,nc,truevtx[2],chi2red); |
820252d7 | 177 | continue; |
178 | } | |
179 | ||
180 | // VERTEX | |
181 | AliESDVertex *vertex = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); | |
820252d7 | 182 | |
183 | nc = (Int_t)vertex->GetNContributors(); | |
fee9ef0d | 184 | if(nc>=2) chi2red = vertex->GetChi2toNDF(); |
820252d7 | 185 | printf("nc = %d\n",nc); |
186 | ||
187 | ||
188 | // count ITS tracks | |
189 | for(Int_t itrk=0; itrk<ntracks; itrk++) { | |
190 | AliESDtrack *esdtrack = (AliESDtrack*)esd->GetTrack(itrk); | |
191 | UInt_t status = esdtrack->GetStatus(); | |
192 | // only tracks found also in ITS | |
193 | if(! (status&AliESDtrack::kITSin) ) continue; | |
194 | nitstracks++; | |
195 | Int_t npts = (Int_t)esdtrack->GetNcls(0); | |
196 | if(npts==6) {nitstracks6++;nitstracks5or6++;} | |
197 | if(npts==5) {nitstracks5++;nitstracks5or6++;} | |
198 | if(npts==4) nitstracks4++; | |
199 | if(npts==3) nitstracks3++; | |
200 | if(npts==2) nitstracks2++; | |
201 | if(npts==1) nitstracks1++; | |
820252d7 | 202 | } |
203 | printf("Number of kITSin tracks in ESD %d : %d\n",iev,nitstracks); | |
204 | printf(" 6 pts: %d\n",nitstracks6); | |
205 | printf(" 5 pts: %d\n",nitstracks5); | |
206 | printf(" 4 pts: %d\n",nitstracks4); | |
207 | printf(" 3 pts: %d\n",nitstracks3); | |
208 | printf(" 2 pts: %d\n",nitstracks2); | |
209 | printf(" 1 pts: %d\n",nitstracks1); | |
820252d7 | 210 | |
211 | ||
fee9ef0d | 212 | if(nc>=1) { |
820252d7 | 213 | vertex->GetXYZ(vtx); |
214 | vertex->GetSigmaXYZ(errvtx); | |
215 | diffX = 10000.* (vtx[0] - truevtx[0]); | |
216 | diffY = 10000.* (vtx[1] - truevtx[1]); | |
217 | diffZ = 10000.* (vtx[2] - truevtx[2]); | |
218 | hdiffX->Fill(diffX); | |
219 | hdiffY->Fill(diffY); | |
220 | hdiffZ->Fill(diffZ); | |
221 | diffXerr = diffX/errvtx[0]/10000.; | |
222 | diffYerr = diffY/errvtx[1]/10000.; | |
223 | diffZerr = diffZ/errvtx[2]/10000.; | |
224 | hdiffXerr->Fill(diffXerr); | |
225 | hdiffYerr->Fill(diffYerr); | |
226 | hdiffZerr->Fill(diffZerr); | |
227 | } | |
228 | ||
fee9ef0d | 229 | ntVtxRes->Fill(triggered,ntracks,nitstracks,nitstracks5or6,diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,multiplicity,(Float_t)nc,truevtx[2],chi2red); |
820252d7 | 230 | |
231 | } // END LOOP ON EVENTS | |
232 | ||
233 | ||
234 | delete esdTree; | |
235 | delete fin; | |
236 | delete vertexer; | |
237 | delete initVertex; | |
238 | ||
239 | // Output file | |
240 | TFile *fout = new TFile(outname.Data(),"recreate"); | |
241 | ntVtxRes->Write(); | |
242 | hdiffX->Write(); | |
243 | hdiffY->Write(); | |
244 | hdiffZ->Write(); | |
245 | hdiffXerr->Write(); | |
246 | hdiffYerr->Write(); | |
247 | hdiffZerr->Write(); | |
248 | fout->Close(); | |
249 | ||
250 | return; | |
251 | } | |
252 | //---------------------------------------------------------------------------- | |
fee9ef0d | 253 | //------------------------------------------------------------------------ |
254 | void VertexForOneEvent(Int_t iev=0, | |
255 | Double_t nSigma=3., | |
256 | Bool_t useMeanVtx=kFALSE) { | |
257 | //------------------------------------------------------------------------ | |
258 | // Run vertex reconstruction for event iev | |
259 | //------------------------------------------------------------------------ | |
260 | ||
261 | if (gAlice) { | |
262 | delete gAlice->GetRunLoader(); | |
263 | delete gAlice; | |
264 | gAlice=0; | |
265 | } | |
266 | ||
267 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); | |
268 | if (rl == 0x0) { | |
269 | cerr<<"Can not open session"<<endl; | |
270 | return; | |
271 | } | |
272 | Int_t retval = rl->LoadgAlice(); | |
273 | if (retval) { | |
274 | cerr<<"LoadgAlice returned error"<<endl; | |
275 | delete rl; | |
276 | return; | |
277 | } | |
278 | retval = rl->LoadHeader(); | |
279 | if (retval) { | |
280 | cerr<<"LoadHeader returned error"<<endl; | |
281 | delete rl; | |
282 | return; | |
283 | } | |
284 | gAlice=rl->GetAliRun(); | |
285 | //rl->LoadKinematics(); | |
286 | // Get field from galice.root | |
287 | AliMagF *fiel = (AliMagF*)gAlice->Field(); | |
288 | // Set the conversion constant between curvature and Pt | |
289 | AliTracker::SetFieldMap(fiel,kTRUE); | |
290 | ||
291 | Double_t truevtx[3]; | |
292 | Double_t vtx[3]; | |
293 | Double_t errvtx[3]; | |
294 | Double_t diffX,diffY,diffZ; | |
295 | Double_t diffXerr,diffYerr,diffZerr; | |
296 | Double_t multiplicity; | |
297 | Int_t nc; | |
298 | ||
299 | // ----------- Create vertexer -------------------------- | |
300 | AliESDVertex *initVertex = 0; | |
301 | if(useMeanVtx) { | |
302 | // open the mean vertex | |
303 | TFile *invtx = new TFile("AliESDVertexMean.root"); | |
304 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); | |
305 | invtx->Close(); | |
306 | delete invtx; | |
307 | } else { | |
308 | Double_t pos[3]={0.,-0.,0.}; | |
309 | Double_t err[3]={3.,3.,5.}; | |
310 | initVertex = new AliESDVertex(pos,err); | |
311 | } | |
312 | AliVertexerTracks *vertexer = new AliVertexerTracks(); | |
313 | //vertexer->SetITSrefitNotRequired(); | |
314 | vertexer->SetVtxStart(initVertex); | |
315 | if(!useMeanVtx) vertexer->SetNoConstraint(); | |
316 | //vertexer->SetMinTracks(2); | |
317 | //vertexer->SetNSigmad0(nSigma); | |
318 | //cout<<" Nsigma: "<<vertexer->GetNSigmad0()<<endl; | |
319 | //vertexer->SetFinderAlgorithm(2); | |
320 | //vertexer->SetDCAcut(0.1); // 1 mm | |
321 | vertexer->SetDebug(1); // set to 1 to see what it does | |
322 | //---------------------------------------------------------- | |
323 | ||
324 | if(gSystem->AccessPathName("AliESDs.root",kFileExists)) { | |
325 | printf("AliESDs.root not found!\n"); | |
326 | return; | |
327 | } | |
328 | TFile *fin = TFile::Open("AliESDs.root"); | |
329 | TTree *esdTree = (TTree*)fin->Get("esdTree"); | |
330 | if(!esdTree) return; | |
331 | AliESD *esd = 0; | |
332 | esdTree->SetBranchAddress("ESD",&esd); | |
333 | ||
334 | TArrayF o; | |
335 | ||
336 | nc=0; | |
337 | ||
338 | //================================================= | |
339 | // LOOK IN THE SIMULATION | |
340 | // true vertex position | |
341 | Int_t npart = (Int_t)gAlice->GetEvent(iev); | |
342 | printf("particles %d\n",npart); | |
343 | AliHeader *header = (AliHeader*)rl->GetHeader(); | |
344 | AliGenPythiaEventHeader *pyheader = (AliGenPythiaEventHeader*)header->GenEventHeader(); | |
345 | pyheader->PrimaryVertex(o); | |
346 | truevtx[0] = o[0]; | |
347 | truevtx[1] = o[1]; | |
348 | truevtx[2] = o[2]; | |
349 | printf("True Vertex: (%f, %f, %f)\n",o[0],o[1],o[2]); | |
350 | ||
351 | esdTree->GetEvent(iev); | |
352 | Int_t ntracks = esd->GetNumberOfTracks(); | |
353 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); | |
354 | ||
355 | // VERTEX | |
356 | AliESDVertex *vertex = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); | |
357 | nc = (Int_t)vertex->GetNContributors(); | |
358 | ||
359 | ||
360 | Int_t nitstracks = 0; | |
361 | Int_t nitstracks1 = 0; | |
362 | Int_t nitstracks2 = 0; | |
363 | Int_t nitstracks3 = 0; | |
364 | Int_t nitstracks4 = 0; | |
365 | Int_t nitstracks5 = 0; | |
366 | Int_t nitstracks6 = 0; | |
367 | Int_t nitstracks5or6 = 0; | |
368 | ||
369 | // count ITS tracks | |
370 | for(Int_t itrk=0; itrk<ntracks; itrk++) { | |
371 | AliESDtrack *esdtrack = (AliESDtrack*)esd->GetTrack(itrk); | |
372 | UInt_t status = esdtrack->GetStatus(); | |
373 | // only tracks found also in ITS | |
374 | if(! (status&AliESDtrack::kITSrefit) ) continue; | |
375 | nitstracks++; | |
376 | Int_t npts = (Int_t)esdtrack->GetNcls(0); | |
377 | if(npts==6) {nitstracks6++;nitstracks5or6++;} | |
378 | if(npts==5) {nitstracks5++;nitstracks5or6++;} | |
379 | if(npts==4) nitstracks4++; | |
380 | if(npts==3) nitstracks3++; | |
381 | if(npts==2) nitstracks2++; | |
382 | if(npts==1) nitstracks1++; | |
383 | } | |
384 | printf("Number of kITSrefit tracks in ESD %d : %d\n",iev,nitstracks); | |
385 | printf(" 6 pts: %d\n",nitstracks6); | |
386 | printf(" 5 pts: %d\n",nitstracks5); | |
387 | printf(" 4 pts: %d\n",nitstracks4); | |
388 | printf(" 3 pts: %d\n",nitstracks3); | |
389 | printf(" 2 pts: %d\n",nitstracks2); | |
390 | printf(" 1 pts: %d\n",nitstracks1); | |
391 | ||
392 | ||
393 | delete esdTree; | |
394 | delete fin; | |
395 | delete vertexer; | |
396 | delete initVertex; | |
397 | ||
398 | return; | |
399 | } | |
400 | //---------------------------------------------------------------------------- | |
820252d7 | 401 | Double_t FitFunc(Double_t *x,Double_t *par) { |
402 | return par[0]+par[1]/TMath::Sqrt(x[0]); | |
403 | } | |
404 | Int_t GetBin(Float_t mult) { | |
405 | if(mult<5.) return 0; | |
406 | if(mult<7.) return 1; | |
407 | if(mult<12.) return 2; | |
408 | if(mult<15.) return 3; | |
409 | if(mult<22.) return 4; | |
410 | return 5; | |
411 | } | |
fee9ef0d | 412 | Int_t GetBinTracklets(Float_t tracklets) { |
413 | if(tracklets<2.*5.) return 0; | |
414 | if(tracklets<2.*7.) return 1; | |
415 | if(tracklets<2.*12.) return 2; | |
416 | if(tracklets<2.*15.) return 3; | |
417 | if(tracklets<2.*22.) return 4; | |
418 | return 5; | |
419 | } | |
420 | Int_t GetBinZ(Float_t z) { | |
421 | if(z<-13.) return 0; | |
422 | if(z<-11.) return 1; | |
423 | if(z<-9.) return 2; | |
424 | if(z<-7.) return 3; | |
425 | if(z<-5.) return 4; | |
426 | if(z<-3.) return 5; | |
427 | if(z<-1.) return 6; | |
428 | if(z<1.) return 7; | |
429 | if(z<3.) return 8; | |
430 | if(z<5.) return 9; | |
431 | if(z<7.) return 10; | |
432 | if(z<9.) return 11; | |
433 | if(z<11.) return 12; | |
434 | if(z<13.) return 13; | |
435 | return 14; | |
436 | } | |
437 | //---------------------------------------------------------------------------- | |
438 | void PlotVtxRes(TString inname="AliVertexerTracksTest.root") { | |
820252d7 | 439 | //--------------------------------------------------------------------- |
440 | // Plot efficiency, resolutions, pulls | |
441 | // [at least 10k pp events are needed] | |
442 | //--------------------------------------------------------------------- | |
443 | ||
fee9ef0d | 444 | Float_t zMCmin=0.; |
445 | Float_t zMCmax=20.; | |
446 | Float_t ncminforzshift=1.; | |
447 | ||
820252d7 | 448 | gStyle->SetOptStat(0); |
449 | gStyle->SetOptFit(10001); | |
450 | ||
451 | Int_t nEvVtx=0; | |
452 | Int_t nEvNoVtx=0; | |
453 | Int_t ev,nUsedTrks; | |
fee9ef0d | 454 | Float_t nESDTrks,nTrks,nTrks5or6,ntracklets; |
455 | Float_t diffX,diffY,diffZ,diffXerr,diffYerr,diffZerr,zMC,nc; | |
456 | Float_t triggered; | |
457 | ||
820252d7 | 458 | |
459 | // | |
460 | // HISTOGRAMS | |
461 | // | |
462 | TH1F *hdx = new TH1F("hdx","",50,-600,600); | |
463 | hdx->SetXTitle("#Delta x [#mu m]"); | |
464 | hdx->SetYTitle("events"); | |
465 | // | |
466 | TH1F *hdy = new TH1F("hdy","",50,-600,600); | |
467 | hdy->SetXTitle("#Delta y [#mu m]"); | |
468 | hdy->SetYTitle("events"); | |
469 | // | |
fee9ef0d | 470 | TH1F *hdz = new TH1F("hdz","",200,-600,600); |
820252d7 | 471 | hdz->SetXTitle("#Delta z [#mu m]"); |
472 | hdz->SetYTitle("events"); | |
473 | // | |
fee9ef0d | 474 | TH1F *hzMCVtx = new TH1F("hzMCVtx","events w/ vertex",30,-15,15); |
475 | hzMCVtx->SetXTitle("z_{true} [cm]"); | |
476 | hzMCVtx->SetYTitle("events"); | |
477 | hzMCVtx->Sumw2(); | |
478 | // | |
479 | TH1F *hzMCNoVtx = new TH1F("hzMCNoVtx","events w/o vertex",30,-15,15); | |
480 | hzMCNoVtx->SetXTitle("z_{true} [cm]"); | |
481 | hzMCNoVtx->SetYTitle("events"); | |
482 | hzMCNoVtx->Sumw2(); | |
483 | // | |
484 | TH1F *hTrackletsVtx = new TH1F("hTrackletsVtx","events w/ vertex",51,-0.5,50.5); | |
485 | hTrackletsVtx->SetXTitle("SPD tracklets"); | |
486 | hTrackletsVtx->SetYTitle("events"); | |
487 | // | |
488 | TH1F *hTrackletsNoVtx = new TH1F("hTrackletsNoVtx","events w/o vertex",51,-0.5,50.5); | |
489 | hTrackletsNoVtx->SetXTitle("SPD tracklets"); | |
490 | hTrackletsNoVtx->SetYTitle("events"); | |
491 | // | |
820252d7 | 492 | TH1F *hTracksVtx = new TH1F("hTracksVtx","events w/ vertex",51,-0.5,50.5); |
493 | hTracksVtx->SetXTitle("Number of reco tracks in TPC&ITS"); | |
494 | hTracksVtx->SetYTitle("events"); | |
495 | // | |
496 | TH1F *hTracksNoVtx = new TH1F("hTracksNoVtx","events w/o vertex",51,-0.5,50.5); | |
497 | hTracksNoVtx->SetXTitle("Number of reco tracks in TPC&ITS"); | |
498 | hTracksNoVtx->SetYTitle("events"); | |
499 | // | |
500 | TH1F *hTracksVtx5or6 = new TH1F("hTracksVtx5or6","events w/ vertex",51,-0.5,50.5); | |
fee9ef0d | 501 | hTracksVtx5or6->SetXTitle("Number of reco tracks in TPC&ITS(cls>=5)"); |
820252d7 | 502 | hTracksVtx5or6->SetYTitle("events"); |
503 | // | |
504 | TH1F *hTracksNoVtx5or6 = new TH1F("hTracksNoVtx5or6","events w/o vertex",51,-0.5,50.5); | |
fee9ef0d | 505 | hTracksNoVtx5or6->SetXTitle("Number of reco tracks in TPC&ITS(cls>=5)"); |
820252d7 | 506 | hTracksNoVtx5or6->SetYTitle("events"); |
507 | // | |
820252d7 | 508 | TH1F *hPullsx = new TH1F("hPullsx","",50,-7.,7.); |
509 | hPullsx->SetXTitle("#Delta x/#sqrt{<x,x>}"); | |
510 | hPullsx->SetYTitle("events"); | |
511 | // | |
512 | TH1F *hPullsy = new TH1F("hPullsy","",50,-7.,7.); | |
513 | hPullsy->SetXTitle("#Delta y/#sqrt{<y,y>}"); | |
514 | hPullsy->SetYTitle("events"); | |
515 | // | |
516 | TH1F *hPullsz = new TH1F("hPullsz","",50,-7.,7.); | |
517 | hPullsz->SetXTitle("#Delta z/#sqrt{<z,z>}"); | |
518 | hPullsz->SetYTitle("events"); | |
519 | // | |
fee9ef0d | 520 | TProfile *hntrackletsVSzMC = new TProfile("hntrackletsVSzMC","",30,-15,15,0,30); |
521 | hntrackletsVSzMC->SetXTitle("z_{true} [cm]"); | |
522 | hntrackletsVSzMC->SetYTitle("<SPD tracklets>"); | |
523 | // | |
524 | TProfile *hnitstracksVSzMC = new TProfile("hnitstracksVSzMC","",30,-15,15,0,30); | |
525 | hnitstracksVSzMC->SetXTitle("z_{true} [cm]"); | |
526 | hnitstracksVSzMC->SetYTitle("<tracks TPC&ITS>"); | |
527 | // | |
528 | TProfile *hnitstracks5or6VSzMC = new TProfile("hnitstracks5or6VSzMC","",30,-15,15,0,30); | |
529 | hnitstracks5or6VSzMC->SetXTitle("z_{true} [cm]"); | |
530 | hnitstracks5or6VSzMC->SetYTitle("<tracks TPC&ITS(cls>=5)>"); | |
820252d7 | 531 | |
532 | Double_t mult[6]={0,0,0,0,0,0}; | |
533 | Double_t mult2[6]={0,0,0,0,0,0}; | |
534 | Double_t sigmamult[6]={0,0,0,0,0,0}; | |
535 | Double_t sigmamult2[6]={0,0,0,0,0,0}; | |
536 | Double_t tottracks[6]={0,0,0,0,0,0}; | |
537 | Double_t fittrks[6]={0,0,0,0,0,0}; | |
538 | Double_t tracks[6]={0,0,0,0,0,0}; | |
539 | Double_t etracks[6]={0,0,0,0,0,0}; | |
540 | Double_t xres[6]={0,0,0,0,0,0}; | |
541 | Double_t exres[6]={0,0,0,0,0,0}; | |
542 | Double_t yres[6]={0,0,0,0,0,0}; | |
543 | Double_t eyres[6]={0,0,0,0,0,0}; | |
544 | Double_t zres[6]={0,0,0,0,0,0}; | |
545 | Double_t ezres[6]={0,0,0,0,0,0}; | |
546 | Double_t xpull[6]={0,0,0,0,0,0}; | |
547 | Double_t expull[6]={0,0,0,0,0,0}; | |
548 | Double_t ypull[6]={0,0,0,0,0,0}; | |
549 | Double_t eypull[6]={0,0,0,0,0,0}; | |
550 | Double_t zpull[6]={0,0,0,0,0,0}; | |
551 | Double_t ezpull[6]={0,0,0,0,0,0}; | |
552 | Int_t evts[6]={0,0,0,0,0,0}; | |
553 | Int_t totevts[6]={0,0,0,0,0,0}; | |
554 | Int_t vtx[6]={0,0,0,0,0,0}; | |
555 | Int_t all[6]={0,0,0,0,0,0}; | |
556 | Double_t probVtx[6]={0,0,0,0,0,0}; | |
557 | Double_t eprobVtx[6]={0,0,0,0,0,0}; | |
fee9ef0d | 558 | Int_t bin,zbin; |
820252d7 | 559 | // |
560 | // OTHER HISTOGRAMS | |
561 | // | |
562 | TH1F *hdx0 = new TH1F("hdx0","x resolution - bin 0",50,-500,500); | |
563 | TH1F *hdx1 = new TH1F("hdx1","x resolution - bin 1",50,-500,500); | |
564 | TH1F *hdx2 = new TH1F("hdx2","x resolution - bin 2",50,-500,500); | |
565 | TH1F *hdx3 = new TH1F("hdx3","x resolution - bin 3",50,-400,400); | |
566 | TH1F *hdx4 = new TH1F("hdx4","x resolution - bin 4",50,-300,300); | |
567 | TH1F *hdx5 = new TH1F("hdx5","x resolution - bin 5",50,-300,300); | |
568 | TH1F *hdy0 = new TH1F("hdy0","y resolution - bin 0",50,-500,500); | |
569 | TH1F *hdy1 = new TH1F("hdy1","y resolution - bin 1",50,-500,500); | |
570 | TH1F *hdy2 = new TH1F("hdy2","y resolution - bin 2",50,-500,500); | |
571 | TH1F *hdy3 = new TH1F("hdy3","y resolution - bin 3",50,-400,400); | |
572 | TH1F *hdy4 = new TH1F("hdy4","y resolution - bin 4",50,-300,300); | |
573 | TH1F *hdy5 = new TH1F("hdy5","y resolution - bin 5",50,-300,300); | |
574 | TH1F *hdz0 = new TH1F("hdz0","z resolution - bin 0",50,-1000,1000); | |
575 | TH1F *hdz1 = new TH1F("hdz1","z resolution - bin 1",50,-800,800); | |
576 | TH1F *hdz2 = new TH1F("hdz2","z resolution - bin 2",50,-800,800); | |
577 | TH1F *hdz3 = new TH1F("hdz3","z resolution - bin 3",50,-600,600); | |
578 | TH1F *hdz4 = new TH1F("hdz4","z resolution - bin 4",50,-500,500); | |
579 | TH1F *hdz5 = new TH1F("hdz5","z resolution - bin 5",50,-500,500); | |
fee9ef0d | 580 | // |
581 | TH1F *hdz_z = NULL; hdz_z = new TH1F[15]; | |
582 | for(Int_t l=0;l<15;l++) hdz_z[l] = *hdz; | |
583 | ||
820252d7 | 584 | |
585 | TH1F *hpx0 = new TH1F("hpx0","x pull - bin 0",50,-7,7); | |
586 | TH1F *hpx1 = new TH1F("hpx1","x pull - bin 1",50,-7,7); | |
587 | TH1F *hpx2 = new TH1F("hpx2","x pull - bin 2",50,-7,7); | |
588 | TH1F *hpx3 = new TH1F("hpx3","x pull - bin 3",50,-7,7); | |
589 | TH1F *hpx4 = new TH1F("hpx4","x pull - bin 4",50,-7,7); | |
590 | TH1F *hpx5 = new TH1F("hpx5","x pull - bin 5",50,-7,7); | |
591 | TH1F *hpy0 = new TH1F("hpy0","y pull - bin 0",50,-7,7); | |
592 | TH1F *hpy1 = new TH1F("hpy1","y pull - bin 1",50,-7,7); | |
593 | TH1F *hpy2 = new TH1F("hpy2","y pull - bin 2",50,-7,7); | |
594 | TH1F *hpy3 = new TH1F("hpy3","y pull - bin 3",50,-7,7); | |
595 | TH1F *hpy4 = new TH1F("hpy4","y pull - bin 4",50,-7,7); | |
596 | TH1F *hpy5 = new TH1F("hpy5","y pull - bin 5",50,-7,7); | |
597 | TH1F *hpz0 = new TH1F("hpz0","z pull - bin 0",50,-7,7); | |
598 | TH1F *hpz1 = new TH1F("hpz1","z pull - bin 1",50,-7,7); | |
599 | TH1F *hpz2 = new TH1F("hpz2","z pull - bin 2",50,-7,7); | |
600 | TH1F *hpz3 = new TH1F("hpz3","z pull - bin 3",50,-7,7); | |
601 | TH1F *hpz4 = new TH1F("hpz4","z pull - bin 4",50,-7,7); | |
602 | TH1F *hpz5 = new TH1F("hpz5","z pull - bin 5",50,-7,7); | |
603 | ||
604 | ||
605 | TH1F *hmult = new TH1F("hmult","hmult",50,-0.5,49.5); | |
606 | ||
fee9ef0d | 607 | TFile *in = new TFile(inname.Data()); |
820252d7 | 608 | TNtuple *nt = (TNtuple*)in->Get("ntVtxRes"); |
fee9ef0d | 609 | nt->SetBranchAddress("triggered",&triggered); |
610 | nt->SetBranchAddress("ntracks",&nESDTrks); | |
611 | nt->SetBranchAddress("nitstracks",&nTrks); | |
820252d7 | 612 | nt->SetBranchAddress("nitstracks5or6",&nTrks5or6); |
820252d7 | 613 | nt->SetBranchAddress("diffX",&diffX); |
614 | nt->SetBranchAddress("diffY",&diffY); | |
615 | nt->SetBranchAddress("diffZ",&diffZ); | |
616 | nt->SetBranchAddress("diffXerr",&diffXerr); | |
617 | nt->SetBranchAddress("diffYerr",&diffYerr); | |
618 | nt->SetBranchAddress("diffZerr",&diffZerr); | |
fee9ef0d | 619 | nt->SetBranchAddress("multiplicity",&ntracklets); |
620 | nt->SetBranchAddress("zMC",&zMC); | |
621 | nt->SetBranchAddress("nc",&nc); | |
820252d7 | 622 | Int_t entries = (Int_t)nt->GetEntries(); |
623 | Int_t nbytes=0; | |
624 | ||
625 | for(Int_t i=0; i<entries; i++) { | |
626 | nbytes += nt->GetEvent(i); | |
fee9ef0d | 627 | // only triggered events |
628 | if(triggered<0.5) continue; | |
629 | // consider only events with zMCmin<|zMC|<zMCmax | |
630 | if(TMath::Abs(zMC)<zMCmin || TMath::Abs(zMC)>zMCmax) continue; | |
631 | // | |
632 | bin = GetBinTracklets(ntracklets); | |
633 | zbin = GetBinZ(zMC); | |
634 | mult[bin] += ntracklets; | |
635 | hmult->Fill(ntracklets); | |
820252d7 | 636 | totevts[bin]++; |
fee9ef0d | 637 | hntrackletsVSzMC->Fill(zMC,ntracklets); |
638 | hnitstracksVSzMC->Fill(zMC,nTrks); | |
639 | hnitstracks5or6VSzMC->Fill(zMC,nTrks5or6); | |
640 | if(TMath::Abs(diffX) < 1000.) { // vtx found - closer than 1 mm | |
820252d7 | 641 | nEvVtx++; |
fee9ef0d | 642 | mult2[bin] += ntracklets; |
820252d7 | 643 | vtx[bin]++; |
644 | tottracks[bin] += nTrks; | |
645 | evts[bin]++; | |
646 | if(bin==0) hdx0->Fill(diffX); | |
647 | if(bin==1) hdx1->Fill(diffX); | |
648 | if(bin==2) hdx2->Fill(diffX); | |
649 | if(bin==3) hdx3->Fill(diffX); | |
650 | if(bin==4) hdx4->Fill(diffX); | |
651 | if(bin==5) hdx5->Fill(diffX); | |
652 | if(bin==0) hdy0->Fill(diffY); | |
653 | if(bin==1) hdy1->Fill(diffY); | |
654 | if(bin==2) hdy2->Fill(diffY); | |
655 | if(bin==3) hdy3->Fill(diffY); | |
656 | if(bin==4) hdy4->Fill(diffY); | |
657 | if(bin==5) hdy5->Fill(diffY); | |
658 | if(bin==0) hdz0->Fill(diffZ); | |
659 | if(bin==1) hdz1->Fill(diffZ); | |
660 | if(bin==2) hdz2->Fill(diffZ); | |
661 | if(bin==3) hdz3->Fill(diffZ); | |
662 | if(bin==4) hdz4->Fill(diffZ); | |
663 | if(bin==5) hdz5->Fill(diffZ); | |
664 | hdx->Fill(diffX); | |
665 | hdy->Fill(diffY); | |
666 | hdz->Fill(diffZ); | |
fee9ef0d | 667 | if(nc>=ncminforzshift) hdz_z[zbin].Fill(diffZ); |
668 | hzMCVtx->Fill(zMC); | |
669 | hTrackletsVtx->Fill(ntracklets); | |
820252d7 | 670 | hTracksVtx->Fill(nTrks); |
671 | hTracksVtx5or6->Fill(nTrks5or6); | |
820252d7 | 672 | hPullsx->Fill(diffXerr); |
673 | hPullsy->Fill(diffYerr); | |
674 | hPullsz->Fill(diffZerr); | |
675 | if(bin==0) hpx0->Fill(diffXerr); | |
676 | if(bin==1) hpx1->Fill(diffXerr); | |
677 | if(bin==2) hpx2->Fill(diffXerr); | |
678 | if(bin==3) hpx3->Fill(diffXerr); | |
679 | if(bin==4) hpx4->Fill(diffXerr); | |
680 | if(bin==5) hpx5->Fill(diffXerr); | |
681 | if(bin==0) hpy0->Fill(diffYerr); | |
682 | if(bin==1) hpy1->Fill(diffYerr); | |
683 | if(bin==2) hpy2->Fill(diffYerr); | |
684 | if(bin==3) hpy3->Fill(diffYerr); | |
685 | if(bin==4) hpy4->Fill(diffYerr); | |
686 | if(bin==5) hpy5->Fill(diffYerr); | |
687 | if(bin==0) hpz0->Fill(diffZerr); | |
688 | if(bin==1) hpz1->Fill(diffZerr); | |
689 | if(bin==2) hpz2->Fill(diffZerr); | |
690 | if(bin==3) hpz3->Fill(diffZerr); | |
691 | if(bin==4) hpz4->Fill(diffZerr); | |
692 | if(bin==5) hpz5->Fill(diffZerr); | |
693 | } else { | |
694 | nEvNoVtx++; | |
fee9ef0d | 695 | hzMCNoVtx->Fill(zMC); |
696 | hTrackletsNoVtx->Fill(ntracklets); | |
820252d7 | 697 | hTracksNoVtx->Fill(nTrks); |
698 | hTracksNoVtx5or6->Fill(nTrks5or6); | |
820252d7 | 699 | } |
700 | all[bin]++; | |
701 | } | |
702 | ||
703 | ||
704 | for(Int_t k=0;k<6;k++) { | |
705 | mult2[k] /= evts[k]; | |
706 | mult[k] /= totevts[k]; | |
707 | tottracks[k] /= evts[k]; | |
708 | probVtx[k] = (Double_t)vtx[k]/all[k]; | |
709 | eprobVtx[k] = (Double_t)vtx[k]/all[k]/all[k]+(Double_t)vtx[k]*vtx[k]/all[k]/all[k]/all[k]; | |
710 | eprobVtx[k] = TMath::Sqrt(eprobVtx[k]); | |
711 | } | |
712 | ||
713 | // calculate spread in multiplicity | |
714 | for(Int_t i=0; i<entries; i++) { | |
715 | nbytes += nt->GetEvent(i); | |
fee9ef0d | 716 | bin = GetBinTracklets(ntracklets); |
717 | sigmamult[bin] += (ntracklets-mult[bin])*(ntracklets-mult[bin])/totevts[bin]; | |
718 | if(diffX < 90000.) sigmamult2[bin] += (ntracklets-mult2[bin])*(ntracklets-mult2[bin])/evts[bin]; | |
820252d7 | 719 | } |
720 | ||
721 | for(Int_t k=0;k<6;k++) { | |
722 | sigmamult[k] = TMath::Sqrt(sigmamult[k]); | |
723 | sigmamult2[k] = TMath::Sqrt(sigmamult2[k]); | |
724 | } | |
725 | ||
726 | // fraction of found vertices | |
727 | Float_t frac = (Float_t)nEvVtx/(nEvVtx+nEvNoVtx); | |
728 | printf(" Fraction of events with vertex: %f\n",frac); | |
729 | ||
730 | ||
731 | // FIT FUNCTIONS | |
732 | TF1 *g = new TF1("g","gaus"); | |
733 | g->SetLineWidth(3); | |
734 | TF1 *line = new TF1("line","pol1"); | |
735 | line->SetLineWidth(3); | |
fee9ef0d | 736 | TF1 *func = new TF1("func",FitFunc,2,80,2); |
820252d7 | 737 | func->SetLineWidth(1); |
738 | ||
739 | Double_t x1,y1,sigmafit; | |
740 | Char_t message[100]; | |
741 | ||
742 | // | |
743 | // DRAW PLOTS | |
744 | // | |
745 | gStyle->SetOptFit(1111); | |
746 | ||
fee9ef0d | 747 | // tracks VS zMC |
748 | TCanvas *c0 = new TCanvas("c0","c0",0,0,1000,400); | |
749 | c0->Divide(3,1); | |
750 | c0->cd(1); | |
751 | hntrackletsVSzMC->SetMinimum(0); | |
752 | hntrackletsVSzMC->SetMaximum(14); | |
753 | hntrackletsVSzMC->Draw("profs"); | |
754 | c0->cd(2); | |
755 | hnitstracksVSzMC->SetMinimum(0); | |
756 | hnitstracksVSzMC->SetMaximum(14); | |
757 | hnitstracksVSzMC->Draw("profs"); | |
758 | c0->cd(3); | |
759 | hnitstracks5or6VSzMC->SetMinimum(0); | |
760 | hnitstracks5or6VSzMC->SetMaximum(14); | |
761 | hnitstracks5or6VSzMC->Draw("profs"); | |
762 | ||
763 | ||
820252d7 | 764 | // Tracks in ITS for events w/ and w/o vertex |
765 | TCanvas *c1 = new TCanvas("c1","c1",0,0,1000,500); | |
766 | c1->Divide(2,1); | |
767 | c1->cd(1); | |
768 | hTracksVtx->Draw(); | |
769 | c1->cd(2); | |
770 | hTracksNoVtx->Draw(); | |
771 | ||
fee9ef0d | 772 | // probability vs ntracklets |
773 | TCanvas *c1a = new TCanvas("c1a","c1a",0,0,500,500); | |
774 | TH1F *hTotTracklets = (TH1F*)hTrackletsVtx->Clone("hTotTracklets"); | |
775 | hTotTracklets->Add(hTrackletsNoVtx); | |
776 | TH1F *hProbTracklets = (TH1F*)hTrackletsVtx->Clone("hProbTracklets"); | |
777 | hProbTracklets->Divide(hTotTracklets); | |
778 | hProbTracklets->SetYTitle("Probability"); | |
779 | hProbTracklets->SetTitle("Probability to find the vertex"); | |
780 | hProbTracklets->Draw(); | |
781 | ||
820252d7 | 782 | // probability vs ntracks |
783 | TCanvas *c1b = new TCanvas("c1b","c1b",0,0,500,500); | |
784 | TH1F *hTotTracks = (TH1F*)hTracksVtx->Clone("hTotTracks"); | |
785 | hTotTracks->Add(hTracksNoVtx); | |
786 | TH1F *hProbTracks = (TH1F*)hTracksVtx->Clone("hProbTracks"); | |
787 | hProbTracks->Divide(hTotTracks); | |
788 | hProbTracks->SetYTitle("Probability"); | |
789 | hProbTracks->SetTitle("Probability to find the vertex"); | |
790 | hProbTracks->Draw(); | |
791 | ||
792 | TCanvas *c1c = new TCanvas("c1c","c1c",0,0,500,500); | |
793 | TH1F *hTotTracks5or6 = (TH1F*)hTracksVtx5or6->Clone("hTotTracks5or6"); | |
794 | hTotTracks5or6->Add(hTracksNoVtx5or6); | |
795 | TH1F *hProbTracks5or6 = (TH1F*)hTracksVtx5or6->Clone("hProbTracks5or6"); | |
796 | hProbTracks5or6->Divide(hTotTracks5or6); | |
797 | hProbTracks5or6->SetYTitle("Probability"); | |
798 | hProbTracks5or6->SetTitle("Probability to find the vertex"); | |
799 | hProbTracks5or6->Draw(); | |
800 | ||
fee9ef0d | 801 | |
802 | // probability vs zMC | |
803 | TCanvas *c1e = new TCanvas("c1e","c1e",0,0,500,500); | |
804 | TH1F *hTotzMC = (TH1F*)hzMCVtx->Clone("hTotzMC"); | |
805 | hTotzMC->Add(hzMCNoVtx); | |
806 | TH1F *hProbzMC = (TH1F*)hzMCVtx->Clone("hProbzMC"); | |
807 | hProbzMC->Divide(hTotzMC); | |
808 | hProbzMC->SetYTitle("Probability"); | |
809 | hProbzMC->SetTitle("Probability to find the vertex"); | |
810 | hProbzMC->Draw(); | |
820252d7 | 811 | |
812 | // Global resolutions | |
813 | TCanvas *c2 = new TCanvas("c2","c2",0,0,1000,400); | |
814 | c2->Divide(3,1); | |
815 | c2->cd(1); | |
816 | hdx->Draw(); | |
817 | g->SetRange(-1.*hdx->GetRMS(),+1.*hdx->GetRMS()); | |
818 | hdx->Fit("g","R"); | |
819 | c2->cd(2); | |
820 | hdy->Draw(); | |
821 | g->SetRange(-1.*hdy->GetRMS(),+1.*hdy->GetRMS()); | |
822 | hdy->Fit("g","R"); | |
823 | c2->cd(3); | |
824 | hdz->Draw(); | |
825 | g->SetRange(-1.*hdz->GetRMS(),+1.*hdz->GetRMS()); | |
826 | hdz->Fit("g","R"); | |
827 | ||
828 | // Pulls | |
829 | TCanvas *c4 = new TCanvas("c4","c4",0,0,1000,400); | |
830 | c4->Divide(3,1); | |
831 | c4->cd(1); | |
832 | hPullsx->Draw(); | |
833 | g->SetRange(-3.*hPullsx->GetRMS(),+3.*hPullsx->GetRMS()); | |
834 | hPullsx->Fit("g","R"); | |
835 | c4->cd(2); | |
836 | hPullsy->Draw(); | |
837 | g->SetRange(-3.*hPullsy->GetRMS(),+3.*hPullsy->GetRMS()); | |
838 | hPullsy->Fit("g","R"); | |
839 | c4->cd(3); | |
840 | hPullsz->Draw(); | |
841 | g->SetRange(-3.*hPullsz->GetRMS(),+3.*hPullsz->GetRMS()); | |
842 | hPullsz->Fit("g","R"); | |
843 | ||
844 | // probability VS multiplicity | |
845 | TCanvas *c5 = new TCanvas("c5","c5",0,0,600,500); | |
fee9ef0d | 846 | TH2F *fr5 = new TH2F("fr5","",2,0,80,2,0,1.1); |
847 | fr5->SetXTitle("SPD tracklets"); | |
820252d7 | 848 | fr5->SetYTitle("Probability"); |
849 | fr5->Draw(); | |
850 | TGraphErrors *gr5 = new TGraphErrors(6,mult,probVtx,sigmamult,eprobVtx); | |
851 | gr5->Draw("p"); | |
852 | gr5->SetMarkerStyle(21); | |
853 | ||
854 | // | |
855 | // resolutions VS multiplicity | |
856 | // | |
857 | // X | |
858 | TCanvas *ax = new TCanvas("ax","ax",0,0,900,700); | |
859 | ax->Divide(3,2); | |
860 | ax->cd(1); | |
861 | hdx0->Draw(); | |
862 | g->SetRange(-3.*hdx0->GetRMS(),+3.*hdx0->GetRMS()); | |
863 | hdx0->Fit("g","Q"); | |
864 | xres[0]=g->GetParameter(2); | |
865 | exres[0]=g->GetParError(2); | |
866 | ax->cd(2); | |
867 | hdx1->Draw(); | |
868 | g->SetRange(-3.*hdx1->GetRMS(),+3.*hdx1->GetRMS()); | |
869 | hdx1->Fit("g","Q"); | |
870 | xres[1]=g->GetParameter(2); | |
871 | exres[1]=g->GetParError(2); | |
872 | ax->cd(3); | |
873 | hdx2->Draw(); | |
874 | g->SetRange(-3.*hdx2->GetRMS(),+3.*hdx2->GetRMS()); | |
875 | hdx2->Fit("g","Q"); | |
876 | xres[2]=g->GetParameter(2); | |
877 | exres[2]=g->GetParError(2); | |
878 | ax->cd(4); | |
879 | hdx3->Draw(); | |
880 | g->SetRange(-3.*hdx3->GetRMS(),+3.*hdx3->GetRMS()); | |
881 | hdx3->Fit("g","Q"); | |
882 | xres[3]=g->GetParameter(2); | |
883 | exres[3]=g->GetParError(2); | |
884 | ax->cd(5); | |
885 | hdx4->Draw(); | |
886 | g->SetRange(-3.*hdx4->GetRMS(),+3.*hdx4->GetRMS()); | |
887 | hdx4->Fit("g","Q"); | |
888 | xres[4]=g->GetParameter(2); | |
889 | exres[4]=g->GetParError(2); | |
890 | ax->cd(6); | |
891 | hdx5->Draw(); | |
892 | g->SetRange(-3.*hdx5->GetRMS(),+3.*hdx5->GetRMS()); | |
893 | hdx5->Fit("g","Q"); | |
894 | xres[5]=g->GetParameter(2); | |
895 | exres[5]=g->GetParError(2); | |
896 | // Y | |
897 | TCanvas *ay = new TCanvas("ay","ay",0,0,900,700); | |
898 | ay->Divide(3,2); | |
899 | ay->cd(1); | |
900 | hdy0->Draw(); | |
901 | g->SetRange(-3.*hdy0->GetRMS(),+3.*hdy0->GetRMS()); | |
902 | hdy0->Fit("g","Q"); | |
903 | yres[0]=g->GetParameter(2); | |
904 | eyres[0]=g->GetParError(2); | |
905 | ay->cd(2); | |
906 | hdy1->Draw(); | |
907 | g->SetRange(-3.*hdy1->GetRMS(),+3.*hdy1->GetRMS()); | |
908 | hdy1->Fit("g","Q"); | |
909 | yres[1]=g->GetParameter(2); | |
910 | eyres[1]=g->GetParError(2); | |
911 | ay->cd(3); | |
912 | hdy2->Draw(); | |
913 | g->SetRange(-3.*hdy2->GetRMS(),+3.*hdy2->GetRMS()); | |
914 | hdy2->Fit("g","Q"); | |
915 | yres[2]=g->GetParameter(2); | |
916 | eyres[2]=g->GetParError(2); | |
917 | ay->cd(4); | |
918 | hdy3->Draw(); | |
919 | g->SetRange(-3.*hdy3->GetRMS(),+3.*hdy3->GetRMS()); | |
920 | hdy3->Fit("g","Q"); | |
921 | yres[3]=g->GetParameter(2); | |
922 | eyres[3]=g->GetParError(2); | |
923 | ay->cd(5); | |
924 | hdy4->Draw(); | |
925 | g->SetRange(-3.*hdy4->GetRMS(),+3.*hdy4->GetRMS()); | |
926 | hdy4->Fit("g","Q"); | |
927 | yres[4]=g->GetParameter(2); | |
928 | eyres[4]=g->GetParError(2); | |
929 | ay->cd(6); | |
930 | hdy5->Draw(); | |
931 | g->SetRange(-3.*hdy5->GetRMS(),+3.*hdy5->GetRMS()); | |
932 | hdy5->Fit("g","Q"); | |
933 | yres[5]=g->GetParameter(2); | |
934 | eyres[5]=g->GetParError(2); | |
935 | // Z | |
936 | TCanvas *az = new TCanvas("az","az",0,0,900,700); | |
937 | az->Divide(3,2); | |
938 | az->cd(1); | |
939 | hdz0->Draw(); | |
940 | g->SetRange(-3.*hdz0->GetRMS(),+3.*hdz0->GetRMS()); | |
941 | hdz0->Fit("g","Q"); | |
942 | zres[0]=g->GetParameter(2); | |
943 | ezres[0]=g->GetParError(2); | |
944 | az->cd(2); | |
945 | hdz1->Draw(); | |
946 | g->SetRange(-3.*hdz1->GetRMS(),+3.*hdz1->GetRMS()); | |
947 | hdz1->Fit("g","Q"); | |
948 | zres[1]=g->GetParameter(2); | |
949 | ezres[1]=g->GetParError(2); | |
950 | az->cd(3); | |
951 | hdz2->Draw(); | |
952 | g->SetRange(-3.*hdz2->GetRMS(),+3.*hdz2->GetRMS()); | |
953 | hdz2->Fit("g","Q"); | |
954 | zres[2]=g->GetParameter(2); | |
955 | ezres[2]=g->GetParError(2); | |
956 | az->cd(4); | |
957 | hdz3->Draw(); | |
958 | g->SetRange(-3.*hdz3->GetRMS(),+3.*hdz3->GetRMS()); | |
959 | hdz3->Fit("g","Q"); | |
960 | zres[3]=g->GetParameter(2); | |
961 | ezres[3]=g->GetParError(2); | |
962 | az->cd(5); | |
963 | hdz4->Draw(); | |
964 | g->SetRange(-3.*hdz4->GetRMS(),+3.*hdz4->GetRMS()); | |
965 | hdz4->Fit("g","Q"); | |
966 | zres[4]=g->GetParameter(2); | |
967 | ezres[4]=g->GetParError(2); | |
968 | az->cd(6); | |
969 | hdz5->Draw(); | |
970 | g->SetRange(-3.*hdz5->GetRMS(),+3.*hdz5->GetRMS()); | |
971 | hdz5->Fit("g","Q"); | |
972 | zres[5]=g->GetParameter(2); | |
973 | ezres[5]=g->GetParError(2); | |
974 | ||
975 | ||
976 | // | |
977 | // pulls VS multiplicity | |
978 | // | |
979 | // X | |
980 | TCanvas *bx = new TCanvas("bx","bx",0,0,900,700); | |
981 | bx->Divide(3,2); | |
982 | bx->cd(1); | |
983 | hpx0->Draw(); | |
984 | g->SetRange(-3.*hpx0->GetRMS(),+3.*hpx0->GetRMS()); | |
985 | hpx0->Fit("g","Q"); | |
986 | xpull[0]=g->GetParameter(2); | |
987 | expull[0]=g->GetParError(2); | |
988 | bx->cd(2); | |
989 | hpx1->Draw(); | |
990 | g->SetRange(-3.*hpx1->GetRMS(),+3.*hpx1->GetRMS()); | |
991 | hpx1->Fit("g","Q"); | |
992 | xpull[1]=g->GetParameter(2); | |
993 | expull[1]=g->GetParError(2); | |
994 | bx->cd(3); | |
995 | hpx2->Draw(); | |
996 | g->SetRange(-3.*hpx2->GetRMS(),+3.*hpx2->GetRMS()); | |
997 | hpx2->Fit("g","Q"); | |
998 | xpull[2]=g->GetParameter(2); | |
999 | expull[2]=g->GetParError(2); | |
1000 | bx->cd(4); | |
1001 | hpx3->Draw(); | |
1002 | g->SetRange(-3.*hpx3->GetRMS(),+3.*hpx3->GetRMS()); | |
1003 | hpx3->Fit("g","Q"); | |
1004 | xpull[3]=g->GetParameter(2); | |
1005 | expull[3]=g->GetParError(2); | |
1006 | bx->cd(5); | |
1007 | hpx4->Draw(); | |
1008 | g->SetRange(-3.*hpx4->GetRMS(),+3.*hpx4->GetRMS()); | |
1009 | hpx4->Fit("g","Q"); | |
1010 | xpull[4]=g->GetParameter(2); | |
1011 | expull[4]=g->GetParError(2); | |
1012 | bx->cd(6); | |
1013 | hpx5->Draw(); | |
1014 | g->SetRange(-3.*hpx5->GetRMS(),+3.*hpx5->GetRMS()); | |
1015 | hpx5->Fit("g","Q"); | |
1016 | xpull[5]=g->GetParameter(2); | |
1017 | expull[5]=g->GetParError(2); | |
1018 | // Y | |
1019 | TCanvas *by = new TCanvas("by","by",0,0,900,700); | |
1020 | by->Divide(3,2); | |
1021 | by->cd(1); | |
1022 | hpy0->Draw(); | |
1023 | g->SetRange(-3.*hpy0->GetRMS(),+3.*hpy0->GetRMS()); | |
1024 | hpy0->Fit("g","Q"); | |
1025 | ypull[0]=g->GetParameter(2); | |
1026 | eypull[0]=g->GetParError(2); | |
1027 | by->cd(2); | |
1028 | hpy1->Draw(); | |
1029 | g->SetRange(-3.*hpy1->GetRMS(),+3.*hpy1->GetRMS()); | |
1030 | hpy1->Fit("g","Q"); | |
1031 | ypull[1]=g->GetParameter(2); | |
1032 | eypull[1]=g->GetParError(2); | |
1033 | by->cd(3); | |
1034 | hpy2->Draw(); | |
1035 | g->SetRange(-3.*hpy2->GetRMS(),+3.*hpy2->GetRMS()); | |
1036 | hpy2->Fit("g","Q"); | |
1037 | ypull[2]=g->GetParameter(2); | |
1038 | eypull[2]=g->GetParError(2); | |
1039 | by->cd(4); | |
1040 | hpy3->Draw(); | |
1041 | g->SetRange(-3.*hpy3->GetRMS(),+3.*hpy3->GetRMS()); | |
1042 | hpy3->Fit("g","Q"); | |
1043 | ypull[3]=g->GetParameter(2); | |
1044 | eypull[3]=g->GetParError(2); | |
1045 | by->cd(5); | |
1046 | hpy4->Draw(); | |
1047 | g->SetRange(-3.*hpy4->GetRMS(),+3.*hpy4->GetRMS()); | |
1048 | hpy4->Fit("g","Q"); | |
1049 | ypull[4]=g->GetParameter(2); | |
1050 | eypull[4]=g->GetParError(2); | |
1051 | by->cd(6); | |
1052 | hpy5->Draw(); | |
1053 | g->SetRange(-3.*hpy5->GetRMS(),+3.*hpy5->GetRMS()); | |
1054 | hpy5->Fit("g","Q"); | |
1055 | ypull[5]=g->GetParameter(2); | |
1056 | eypull[5]=g->GetParError(2); | |
1057 | // Z | |
1058 | TCanvas *bz = new TCanvas("bz","bz",0,0,900,700); | |
1059 | bz->Divide(3,2); | |
1060 | bz->cd(1); | |
1061 | hpz0->Draw(); | |
1062 | g->SetRange(-3.*hpz0->GetRMS(),+3.*hpz0->GetRMS()); | |
1063 | hpz0->Fit("g","Q"); | |
1064 | zpull[0]=g->GetParameter(2); | |
1065 | ezpull[0]=g->GetParError(2); | |
1066 | bz->cd(2); | |
1067 | hpz1->Draw(); | |
1068 | g->SetRange(-3.*hpz1->GetRMS(),+3.*hpz1->GetRMS()); | |
1069 | hpz1->Fit("g","Q"); | |
1070 | zpull[1]=g->GetParameter(2); | |
1071 | ezpull[1]=g->GetParError(2); | |
1072 | bz->cd(3); | |
1073 | hpz2->Draw(); | |
1074 | g->SetRange(-3.*hpz2->GetRMS(),+3.*hpz2->GetRMS()); | |
1075 | hpz2->Fit("g","Q"); | |
1076 | zpull[2]=g->GetParameter(2); | |
1077 | ezpull[2]=g->GetParError(2); | |
1078 | bz->cd(4); | |
1079 | hpz3->Draw(); | |
1080 | g->SetRange(-3.*hpz3->GetRMS(),+3.*hpz3->GetRMS()); | |
1081 | hpz3->Fit("g","Q"); | |
1082 | zpull[3]=g->GetParameter(2); | |
1083 | ezpull[3]=g->GetParError(2); | |
1084 | bz->cd(5); | |
1085 | hpz4->Draw(); | |
1086 | g->SetRange(-3.*hpz4->GetRMS(),+3.*hpz4->GetRMS()); | |
1087 | hpz4->Fit("g","Q"); | |
1088 | zpull[4]=g->GetParameter(2); | |
1089 | ezpull[4]=g->GetParError(2); | |
1090 | bz->cd(6); | |
1091 | hpz5->Draw(); | |
1092 | g->SetRange(-3.*hpz5->GetRMS(),+3.*hpz5->GetRMS()); | |
1093 | hpz5->Fit("g","Q"); | |
1094 | zpull[5]=g->GetParameter(2); | |
1095 | ezpull[5]=g->GetParError(2); | |
1096 | ||
1097 | gStyle->SetOptFit(0); | |
1098 | ||
fee9ef0d | 1099 | // res VS ntracklets |
820252d7 | 1100 | TCanvas *c6 = new TCanvas("c6","c6",0,0,600,500); |
fee9ef0d | 1101 | TH2F *fr6 = new TH2F("fr6","",2,0,80,2,0,240); |
1102 | fr6->SetXTitle("SPD tracklets"); | |
820252d7 | 1103 | fr6->SetYTitle("#sigma [#mu m]"); |
1104 | fr6->Draw(); | |
1105 | sigmamult2[0]=sigmamult2[1]=sigmamult2[2]=sigmamult2[3]=sigmamult2[4]=sigmamult2[5]=0.; | |
1106 | TGraphErrors *gr6x = new TGraphErrors(6,mult2,xres,sigmamult2,exres); | |
1107 | gr6x->Draw("p"); | |
1108 | gr6x->SetMarkerStyle(22); | |
fee9ef0d | 1109 | //gr6x->Fit("func","E,R"); |
820252d7 | 1110 | TGraphErrors *gr6z = new TGraphErrors(6,mult2,zres,sigmamult2,ezres); |
1111 | gr6z->Draw("p"); | |
1112 | gr6z->SetMarkerStyle(26); | |
fee9ef0d | 1113 | //gr6z->Fit("func","E,R"); |
820252d7 | 1114 | TLegend *leg6 = new TLegend(0.6,0.75,0.9,0.9); |
1115 | leg6->AddEntry(gr6x,"x/y coordinate","p"); | |
1116 | leg6->AddEntry(gr6z,"z coordinate","p"); | |
1117 | leg6->SetFillStyle(0); | |
1118 | leg6->SetBorderSize(0); | |
1119 | leg6->Draw(); | |
1120 | ||
fee9ef0d | 1121 | // pull VS ntracklets |
820252d7 | 1122 | TCanvas *c8 = new TCanvas("c8","c8",0,0,600,500); |
fee9ef0d | 1123 | TH2F *fr8 = new TH2F("fr8","",2,0,80,2,0,2.); |
1124 | fr8->SetXTitle("SPD tracklets"); | |
820252d7 | 1125 | fr8->SetYTitle("pull"); |
1126 | fr8->Draw(); | |
1127 | TGraphErrors *gr8x = new TGraphErrors(6,mult2,xpull,sigmamult2,expull); | |
1128 | gr8x->Draw("p"); | |
1129 | gr8x->SetMarkerStyle(22); | |
1130 | TGraphErrors *gr8z = new TGraphErrors(6,mult2,zpull,sigmamult2,ezpull); | |
1131 | gr8z->Draw("p"); | |
1132 | gr8z->SetMarkerStyle(26); | |
1133 | TLegend *leg8 = new TLegend(0.6,0.75,0.9,0.9); | |
1134 | leg8->AddEntry(gr6x,"x/y coordinate","p"); | |
1135 | leg8->AddEntry(gr6z,"z coordinate","p"); | |
1136 | leg8->SetFillStyle(0); | |
1137 | leg8->SetBorderSize(0); | |
1138 | leg8->Draw(); | |
fee9ef0d | 1139 | TLine *l8 = new TLine(0,1,80,1); |
820252d7 | 1140 | l8->SetLineStyle(2); |
1141 | l8->Draw(); | |
1142 | ||
fee9ef0d | 1143 | |
1144 | // mean z res VS zMC | |
1145 | Float_t zmc[15]={-14,-12,-10,-8,-6,-4,-2,0,2,4,6,8,10,12,14}; | |
1146 | Float_t ezmc[15]; | |
1147 | Float_t dzmean[15],edzmean[15]; | |
1148 | Int_t dummy; | |
1149 | TCanvas *zz = new TCanvas("zz","zz",0,0,1000,1000); | |
1150 | zz->Divide(5,3); | |
1151 | for(l=0;l<15;l++) { | |
1152 | zz->cd(l+1); | |
1153 | hdz_z[l].Draw(); | |
1154 | g->SetRange(-3.*hdz_z[l].GetRMS(),+3.*hdz_z[l].GetRMS()); | |
1155 | hdz_z[l].Fit("g","Q"); | |
1156 | dzmean[l]=g->GetParameter(1); | |
1157 | edzmean[l]=g->GetParError(1); | |
1158 | ezmc[l]=1.; | |
1159 | } | |
1160 | TCanvas *zzz = new TCanvas("zzz","zzz",0,0,600,500); | |
1161 | TH2F *fr9 = new TH2F("fr9","",2,-15,15,2,-50,50); | |
1162 | fr9->SetXTitle("z_{true} [cm]"); | |
1163 | fr9->SetYTitle("<z_{rec} - z_{true}> [#mu m]"); | |
1164 | fr9->Draw(); | |
1165 | TGraphErrors *grz = new TGraphErrors(15,zmc,dzmean,ezmc,edzmean); | |
1166 | grz->Draw("pz"); | |
1167 | grz->SetMarkerStyle(20); | |
1168 | ||
1169 | ||
820252d7 | 1170 | return; |
1171 | } | |
1172 | //---------------------------------------------------------------------------- | |
fee9ef0d | 1173 | void SaveFigures(TString name="dummy") { |
1174 | ||
1175 | TString namefull; | |
1176 | ||
1177 | namefull = name.Data(); | |
1178 | namefull.Prepend("plots/residualsx_"); | |
1179 | namefull.Append(".gif"); | |
1180 | ax->Print(namefull.Data()); | |
1181 | namefull = name.Data(); | |
1182 | namefull.Prepend("plots/residualsx_"); | |
1183 | namefull.Append(".ps"); | |
1184 | ax->Print(namefull.Data()); | |
1185 | namefull = name.Data(); | |
1186 | namefull.Prepend("plots/residualsx_"); | |
1187 | namefull.Append(".eps"); | |
1188 | ax->Print(namefull.Data()); | |
1189 | namefull = name.Data(); | |
1190 | namefull.Prepend("plots/residualsx_"); | |
1191 | namefull.Append(".root"); | |
1192 | ax->Print(namefull.Data()); | |
1193 | ||
1194 | namefull = name.Data(); | |
1195 | namefull.Prepend("plots/pullsx_"); | |
1196 | namefull.Append(".gif"); | |
1197 | bx->Print(namefull.Data()); | |
1198 | namefull = name.Data(); | |
1199 | namefull.Prepend("plots/pullsx_"); | |
1200 | namefull.Append(".ps"); | |
1201 | bx->Print(namefull.Data()); | |
1202 | namefull = name.Data(); | |
1203 | namefull.Prepend("plots/pullsx_"); | |
1204 | namefull.Append(".eps"); | |
1205 | bx->Print(namefull.Data()); | |
1206 | namefull = name.Data(); | |
1207 | namefull.Prepend("plots/pullsx_"); | |
1208 | namefull.Append(".root"); | |
1209 | bx->Print(namefull.Data()); | |
1210 | ||
1211 | namefull = name.Data(); | |
1212 | namefull.Prepend("plots/residualsz_"); | |
1213 | namefull.Append(".gif"); | |
1214 | az->Print(namefull.Data()); | |
1215 | namefull = name.Data(); | |
1216 | namefull.Prepend("plots/residualsz_"); | |
1217 | namefull.Append(".ps"); | |
1218 | az->Print(namefull.Data()); | |
1219 | namefull = name.Data(); | |
1220 | namefull.Prepend("plots/residualsz_"); | |
1221 | namefull.Append(".eps"); | |
1222 | az->Print(namefull.Data()); | |
1223 | namefull = name.Data(); | |
1224 | namefull.Prepend("plots/residualsz_"); | |
1225 | namefull.Append(".root"); | |
1226 | az->Print(namefull.Data()); | |
1227 | ||
1228 | namefull = name.Data(); | |
1229 | namefull.Prepend("plots/pullsz_"); | |
1230 | namefull.Append(".gif"); | |
1231 | bz->Print(namefull.Data()); | |
1232 | namefull = name.Data(); | |
1233 | namefull.Prepend("plots/pullsz_"); | |
1234 | namefull.Append(".ps"); | |
1235 | bz->Print(namefull.Data()); | |
1236 | namefull = name.Data(); | |
1237 | namefull.Prepend("plots/pullsz_"); | |
1238 | namefull.Append(".eps"); | |
1239 | bz->Print(namefull.Data()); | |
1240 | namefull = name.Data(); | |
1241 | namefull.Prepend("plots/pullsz_"); | |
1242 | namefull.Append(".root"); | |
1243 | bz->Print(namefull.Data()); | |
1244 | ||
1245 | namefull = name.Data(); | |
1246 | namefull.Prepend("plots/effVSntracklets_"); | |
1247 | namefull.Append(".gif"); | |
1248 | c1a->Print(namefull.Data()); | |
1249 | namefull = name.Data(); | |
1250 | namefull.Prepend("plots/effVSntracklets_"); | |
1251 | namefull.Append(".ps"); | |
1252 | c1a->Print(namefull.Data()); | |
1253 | namefull = name.Data(); | |
1254 | namefull.Prepend("plots/effVSntracklets_"); | |
1255 | namefull.Append(".eps"); | |
1256 | c1a->Print(namefull.Data()); | |
1257 | namefull = name.Data(); | |
1258 | namefull.Prepend("plots/effVSntracklets_"); | |
1259 | namefull.Append(".root"); | |
1260 | c1a->Print(namefull.Data()); | |
1261 | ||
1262 | ||
1263 | namefull = name.Data(); | |
1264 | namefull.Prepend("plots/effVSnitstracks_"); | |
1265 | namefull.Append(".gif"); | |
1266 | c1b->Print(namefull.Data()); | |
1267 | namefull = name.Data(); | |
1268 | namefull.Prepend("plots/effVSnitstracks_"); | |
1269 | namefull.Append(".ps"); | |
1270 | c1b->Print(namefull.Data()); | |
1271 | namefull = name.Data(); | |
1272 | namefull.Prepend("plots/effVSnitstracks_"); | |
1273 | namefull.Append(".eps"); | |
1274 | c1b->Print(namefull.Data()); | |
1275 | namefull = name.Data(); | |
1276 | namefull.Prepend("plots/effVSnitstracks_"); | |
1277 | namefull.Append(".root"); | |
1278 | c1b->Print(namefull.Data()); | |
1279 | ||
1280 | ||
1281 | namefull = name.Data(); | |
1282 | namefull.Prepend("plots/effVSnitstracks5or6_"); | |
1283 | namefull.Append(".gif"); | |
1284 | c1c->Print(namefull.Data()); | |
1285 | namefull = name.Data(); | |
1286 | namefull.Prepend("plots/effVSnitstracks5or6_"); | |
1287 | namefull.Append(".ps"); | |
1288 | c1c->Print(namefull.Data()); | |
1289 | namefull = name.Data(); | |
1290 | namefull.Prepend("plots/effVSnitstracks5or6_"); | |
1291 | namefull.Append(".eps"); | |
1292 | c1c->Print(namefull.Data()); | |
1293 | namefull = name.Data(); | |
1294 | namefull.Prepend("plots/effVSnitstracks5or6_"); | |
1295 | namefull.Append(".root"); | |
1296 | c1c->Print(namefull.Data()); | |
1297 | ||
1298 | ||
1299 | namefull = name.Data(); | |
1300 | namefull.Prepend("plots/effVSzMC_"); | |
1301 | namefull.Append(".gif"); | |
1302 | c1e->Print(namefull.Data()); | |
1303 | namefull = name.Data(); | |
1304 | namefull.Prepend("plots/effVSzMC_"); | |
1305 | namefull.Append(".ps"); | |
1306 | c1e->Print(namefull.Data()); | |
1307 | namefull = name.Data(); | |
1308 | namefull.Prepend("plots/effVSzMC_"); | |
1309 | namefull.Append(".eps"); | |
1310 | c1e->Print(namefull.Data()); | |
1311 | namefull = name.Data(); | |
1312 | namefull.Prepend("plots/effVSzMC_"); | |
1313 | namefull.Append(".root"); | |
1314 | c1e->Print(namefull.Data()); | |
1315 | ||
1316 | ||
1317 | ||
1318 | namefull = name.Data(); | |
1319 | namefull.Prepend("plots/effVSntracklets2_"); | |
1320 | namefull.Append(".gif"); | |
1321 | c5->Print(namefull.Data()); | |
1322 | namefull = name.Data(); | |
1323 | namefull.Prepend("plots/effVSntracklets2_"); | |
1324 | namefull.Append(".ps"); | |
1325 | c5->Print(namefull.Data()); | |
1326 | namefull = name.Data(); | |
1327 | namefull.Prepend("plots/effVSntracklets2_"); | |
1328 | namefull.Append(".eps"); | |
1329 | c5->Print(namefull.Data()); | |
1330 | namefull = name.Data(); | |
1331 | namefull.Prepend("plots/effVSntracklets2_"); | |
1332 | namefull.Append(".root"); | |
1333 | c5->Print(namefull.Data()); | |
1334 | ||
1335 | ||
1336 | namefull = name.Data(); | |
1337 | namefull.Prepend("plots/sigmaVSntracklets_"); | |
1338 | namefull.Append(".gif"); | |
1339 | c6->Print(namefull.Data()); | |
1340 | namefull = name.Data(); | |
1341 | namefull.Prepend("plots/sigmaVSntracklets_"); | |
1342 | namefull.Append(".ps"); | |
1343 | c6->Print(namefull.Data()); | |
1344 | namefull = name.Data(); | |
1345 | namefull.Prepend("plots/sigmaVSntracklets_"); | |
1346 | namefull.Append(".eps"); | |
1347 | c6->Print(namefull.Data()); | |
1348 | namefull = name.Data(); | |
1349 | namefull.Prepend("plots/sigmaVSntracklets_"); | |
1350 | namefull.Append(".root"); | |
1351 | c6->Print(namefull.Data()); | |
1352 | ||
1353 | ||
1354 | namefull = name.Data(); | |
1355 | namefull.Prepend("plots/pullsVSntracklets_"); | |
1356 | namefull.Append(".gif"); | |
1357 | c8->Print(namefull.Data()); | |
1358 | namefull = name.Data(); | |
1359 | namefull.Prepend("plots/pullsVSntracklets_"); | |
1360 | namefull.Append(".ps"); | |
1361 | c8->Print(namefull.Data()); | |
1362 | namefull = name.Data(); | |
1363 | namefull.Prepend("plots/pullsVSntracklets_"); | |
1364 | namefull.Append(".eps"); | |
1365 | c8->Print(namefull.Data()); | |
1366 | namefull = name.Data(); | |
1367 | namefull.Prepend("plots/pullsVSntracklets_"); | |
1368 | namefull.Append(".root"); | |
1369 | c8->Print(namefull.Data()); | |
1370 | ||
1371 | ||
1372 | return; | |
1373 | } | |
1374 | //---------------------------------------------------------------------------- | |
1375 | void TestRmTracks(Int_t iev=0) { | |
1376 | ||
1377 | if (gAlice) { | |
1378 | delete gAlice->GetRunLoader(); | |
1379 | delete gAlice; | |
1380 | gAlice=0; | |
1381 | } | |
1382 | ||
1383 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); | |
1384 | if (rl == 0x0) { | |
1385 | cerr<<"Can not open session"<<endl; | |
1386 | return; | |
1387 | } | |
1388 | Int_t retval = rl->LoadgAlice(); | |
1389 | if (retval) { | |
1390 | cerr<<"LoadgAlice returned error"<<endl; | |
1391 | delete rl; | |
1392 | return; | |
1393 | } | |
1394 | retval = rl->LoadHeader(); | |
1395 | if (retval) { | |
1396 | cerr<<"LoadHeader returned error"<<endl; | |
1397 | delete rl; | |
1398 | return; | |
1399 | } | |
1400 | gAlice=rl->GetAliRun(); | |
1401 | // Get field from galice.root | |
1402 | AliMagF *fiel = (AliMagF*)gAlice->Field(); | |
1403 | // Set the conversion constant between curvature and Pt | |
1404 | AliTracker::SetFieldMap(fiel,kTRUE); | |
1405 | ||
1406 | Double_t truevtx[3]; | |
1407 | Double_t vtx[3]; | |
1408 | Double_t errvtx[3]; | |
1409 | Double_t diffX,diffY,diffZ; | |
1410 | Double_t diffXerr,diffYerr,diffZerr; | |
1411 | Double_t multiplicity; | |
1412 | Int_t nc; | |
1413 | ||
1414 | // ----------- Create vertexer -------------------------- | |
1415 | AliESDVertex *initVertex = 0; | |
1416 | TFile *invtx = new TFile("AliESDVertexMean.root"); | |
1417 | initVertex = (AliESDVertex*)invtx->Get("vtxmean"); | |
1418 | invtx->Close(); | |
1419 | delete invtx; | |
1420 | ||
1421 | AliVertexerTracks *vertexer = new AliVertexerTracks(); | |
1422 | vertexer->SetVtxStart(initVertex); | |
1423 | vertexer->SetOnlyFitter(); | |
1424 | vertexer->SetDebug(0); // set to 1 to see what it does | |
1425 | ||
1426 | Float_t diamondxy[2]; | |
1427 | diamondxy[0]=initVertex->GetXv(); | |
1428 | diamondxy[1]=initVertex->GetYv(); | |
1429 | //---------------------------------------------------------- | |
1430 | ||
1431 | if(gSystem->AccessPathName("AliESDs.root",kFileExists)) { | |
1432 | printf("AliESDs.root not found!\n"); | |
1433 | return; | |
1434 | } | |
1435 | TFile *fin = TFile::Open("AliESDs.root"); | |
1436 | TTree *esdTree = (TTree*)fin->Get("esdTree"); | |
1437 | if(!esdTree) return; | |
1438 | AliESD *esd = 0; | |
1439 | esdTree->SetBranchAddress("ESD",&esd); | |
1440 | ||
1441 | TArrayF o; | |
1442 | ||
1443 | nc=0; | |
1444 | ||
1445 | ||
1446 | esdTree->GetEvent(iev); | |
1447 | Int_t ntracks = esd->GetNumberOfTracks(); | |
1448 | printf("Number of tracks in ESD %d : %d\n",iev,ntracks); | |
1449 | ||
1450 | // example: do vertex without tracks 1 and 2 (AliESDtrack::GetID()) | |
1451 | // | |
1452 | // 1: tell vertexer to skip those two tracks | |
1453 | // | |
1454 | Int_t nskip=2; | |
1455 | Int_t skipped[2]; | |
1456 | skipped[0]=1; | |
1457 | skipped[1]=2; | |
1458 | vertexer->SetSkipTracks(nskip,skipped); | |
1459 | AliESDVertex *vertex1 = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); | |
1460 | vertex1->PrintStatus(); | |
1461 | vertex1->PrintIndices(); | |
1462 | delete vertex1; | |
1463 | vertex1 = 0; | |
1464 | // | |
1465 | // 2: do vertex with all tracks | |
1466 | // | |
1467 | skipped[0]=-99; | |
1468 | skipped[1]=-99; | |
1469 | vertexer->SetSkipTracks(nskip,skipped); | |
1470 | AliESDVertex *vertex2 = (AliESDVertex*)vertexer->FindPrimaryVertex(esd); | |
1471 | vertex2->PrintStatus(); | |
1472 | vertex2->PrintIndices(); | |
1473 | // | |
1474 | // 3: now remove those two tracks from vertex2 | |
1475 | // | |
1476 | TTree *trksTree = new TTree("trksTree","tree with tracks to be removed"); | |
1477 | AliESDtrack *esdTrack = 0; | |
1478 | trksTree->Branch("tracks","AliESDtrack",&esdTrack); | |
1479 | AliESDtrack *et = esd->GetTrack(1); | |
1480 | esdTrack = new AliESDtrack(*et); | |
1481 | trksTree->Fill(); | |
1482 | delete esdTrack; | |
1483 | AliESDtrack *et = esd->GetTrack(2); | |
1484 | esdTrack = new AliESDtrack(*et); | |
1485 | trksTree->Fill(); | |
1486 | delete esdTrack; | |
1487 | AliVertexerTracks vt; | |
1488 | AliESDVertex *vertex3 = vt.RemoveTracksFromVertex(vertex2,trksTree,diamondxy); | |
1489 | vertex3->PrintStatus(); | |
1490 | vertex3->PrintIndices(); | |
1491 | delete vertex2; | |
1492 | vertex2 = 0; | |
1493 | delete vertex3; | |
1494 | vertex3 = 0; | |
1495 | ||
1496 | ||
1497 | delete esdTree; | |
1498 | delete fin; | |
1499 | vertexer =0; | |
1500 | delete vertexer; | |
1501 | delete initVertex; | |
1502 | ||
1503 | return; | |
1504 | } | |
1505 | //---------------------------------------------------------------------------- | |
820252d7 | 1506 | void AliComputeVtxMeanFromESD(TString file="AliESDs.root", |
1507 | Int_t mincontr=20) { | |
1508 | //----------------------------------------------------------------------- | |
1509 | // Compute weighted mean and cov. matrix from a set of AliESD | |
1510 | //----------------------------------------------------------------------- | |
1511 | ||
1512 | gStyle->SetOptStat(0); | |
1513 | //gStyle->SetOptFit(0); | |
1514 | ||
1515 | ||
1516 | Double_t vtx[3],covvtx[6]; | |
1517 | TTree *esdTree = 0; | |
1518 | AliESD *esd = 0; | |
1519 | AliESDVertex *vertex = 0; | |
1520 | TString vtitle; | |
1521 | Int_t nc,events,total=0; | |
1522 | ||
1523 | Double_t avx=0.; | |
1524 | Double_t avy=0.; | |
1525 | Double_t avz=0.; | |
1526 | Double_t wgtavx=0.; | |
1527 | Double_t wgtavy=0.; | |
1528 | Double_t wgtavz=0.; | |
1529 | Double_t sum=0.; | |
1530 | Double_t sumwgtx=0.; | |
1531 | Double_t sumwgty=0.; | |
1532 | Double_t sumwgtz=0.; | |
1533 | Double_t rmsx=0; | |
1534 | Double_t rmsy=0; | |
1535 | Double_t rmsz=0; | |
1536 | Double_t varx=0; | |
1537 | Double_t vary=0; | |
1538 | Double_t varz=0; | |
1539 | Double_t covxy=0; | |
1540 | Double_t covxz=0; | |
1541 | Double_t covyz=0; | |
1542 | Double_t eavx,eavy,eavz,ewgtavx,ewgtavy,ewgtavz; | |
1543 | ||
1544 | TH1F* hx = new TH1F("hx","",200,-1000,1000); | |
1545 | hx->SetXTitle("vertex x [#mu m]"); | |
1546 | hx->SetYTitle("events"); | |
1547 | TH1F* hy = new TH1F("hy","",200,-1000,1000); | |
1548 | hy->SetXTitle("vertex y [#mu m]"); | |
1549 | hy->SetYTitle("events"); | |
1550 | TH1F* hz = new TH1F("hz","",200,-10,10); | |
1551 | hz->SetXTitle("vertex z [cm]"); | |
1552 | hz->SetYTitle("events"); | |
1553 | ||
1554 | ||
1555 | for(Int_t i=1; i<100; i++) { | |
1556 | TString inname="event."; | |
1557 | inname+=i; | |
1558 | inname.Append("/"); | |
1559 | inname.Append(file.Data()); | |
1560 | if(gSystem->AccessPathName(inname.Data())) continue; | |
1561 | TFile *fin = TFile::Open(inname.Data()); | |
1562 | esdTree = (TTree*)fin->Get("esdTree"); | |
1563 | if(!esdTree) continue; | |
1564 | esdTree->SetBranchAddress("ESD",&esd); | |
1565 | events = esdTree->GetEntries(); | |
1566 | printf("Number of events in ESD tree: %d\n",events); | |
1567 | total += events; | |
1568 | ||
1569 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS | |
1570 | esdTree->GetEvent(iev); | |
1571 | vertex = (AliESDVertex*)esd->GetPrimaryVertex(); | |
1572 | if(!vertex) continue; | |
1573 | nc = vertex->GetNContributors(); | |
1574 | if(nc<mincontr) continue; | |
1575 | vertex->GetXYZ(vtx); | |
1576 | vertex->GetSigmaXYZ(errvtx); | |
1577 | //printf("%f %f %f %f %f %f\n",vtx[0],vtx[1],vtx[2],errvtx[0],errvtx[1],errvtx[2]); | |
1578 | ||
1579 | avx += vtx[0]; | |
1580 | avy += vtx[1]; | |
1581 | avz += vtx[2]; | |
1582 | sum += 1.; | |
1583 | wgtavx += vtx[0]/errvtx[0]/errvtx[0]; | |
1584 | wgtavy += vtx[1]/errvtx[1]/errvtx[1]; | |
1585 | wgtavz += vtx[2]/errvtx[2]/errvtx[2]; | |
1586 | sumwgtx += 1./errvtx[0]/errvtx[0]; | |
1587 | sumwgty += 1./errvtx[1]/errvtx[1]; | |
1588 | sumwgtz += 1./errvtx[2]/errvtx[2]; | |
1589 | ||
1590 | hx->Fill(1e4*vtx[0]); | |
1591 | hy->Fill(1e4*vtx[1]); | |
1592 | hz->Fill(vtx[2]); | |
1593 | ||
1594 | vertex = 0; | |
1595 | } | |
1596 | esdTree=0; | |
1597 | fin->Close(); | |
1598 | delete fin; | |
1599 | } | |
1600 | ||
1601 | avx /= sum; | |
1602 | avy /= sum; | |
1603 | avz /= sum; | |
1604 | wgtavx /= sumwgtx; | |
1605 | wgtavy /= sumwgty; | |
1606 | wgtavz /= sumwgtz; | |
1607 | ewgtavx = 1./TMath::Sqrt(sumwgtx); | |
1608 | ewgtavy = 1./TMath::Sqrt(sumwgty); | |
1609 | ewgtavz = 1./TMath::Sqrt(sumwgtz); | |
1610 | ||
1611 | ||
1612 | for(Int_t i=1; i<100; i++) { | |
1613 | TString inname="event."; | |
1614 | inname+=i; | |
1615 | inname.Append("/"); | |
1616 | inname.Append(file.Data()); | |
1617 | if(gSystem->AccessPathName(inname.Data())) continue; | |
1618 | TFile *fin = TFile::Open(inname.Data()); | |
1619 | esdTree = (TTree*)fin->Get("esdTree"); | |
1620 | if(!esdTree) continue; | |
1621 | esdTree->SetBranchAddress("ESD",&esd); | |
1622 | events = esdTree->GetEntries(); | |
1623 | for(Int_t iev=0; iev<events; iev++) { //LOOP ON EVENTS | |
1624 | esdTree->GetEvent(iev); | |
1625 | vertex = (AliESDVertex*)esd->GetPrimaryVertex(); | |
1626 | if(!vertex) continue; | |
1627 | nc = vertex->GetNContributors(); | |
1628 | if(nc<mincontr) continue; | |
1629 | vertex->GetXYZ(vtx); | |
1630 | vertex->GetSigmaXYZ(errvtx); | |
1631 | ||
1632 | varx += (vtx[0]-avx)*(vtx[0]-avx); | |
1633 | vary += (vtx[1]-avy)*(vtx[1]-avy); | |
1634 | varz += (vtx[2]-avz)*(vtx[2]-avz); | |
1635 | covxy += (vtx[0]-avx)*(vtx[1]-avy); | |
1636 | covxz += (vtx[0]-avx)*(vtx[2]-avz); | |
1637 | covyz += (vtx[1]-avy)*(vtx[2]-avz); | |
1638 | ||
1639 | vertex = 0; | |
1640 | } | |
1641 | } | |
1642 | ||
1643 | varx /= sum; | |
1644 | vary /= sum; | |
1645 | varz /= sum; | |
1646 | covxy /= sum; | |
1647 | covxz /= sum; | |
1648 | covyz /= sum; | |
1649 | rmsx = TMath::Sqrt(varx); | |
1650 | rmsy = TMath::Sqrt(vary); | |
1651 | rmsz = TMath::Sqrt(varz); | |
1652 | eavx = rmsx/TMath::Sqrt(sum); | |
1653 | eavy = rmsy/TMath::Sqrt(sum); | |
1654 | eavz = rmsz/TMath::Sqrt(sum); | |
1655 | ||
1656 | ||
1657 | printf("\n\nNumber of events: Total %d, Used %d\n",total,sum); | |
1658 | 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); | |
1659 | 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); | |
1660 | printf("RMS:\n x = %f mum\n y = %f mum\n z = %f mum\n",1e4*rmsx,1e4*rmsy,1e4*rmsz); | |
1661 | ||
1662 | TCanvas *c = new TCanvas("c","c",0,0,1000,500); | |
1663 | c->Divide(3,1); | |
1664 | c->cd(1); | |
1665 | hx->Draw(); | |
1666 | TF1 *gx = new TF1("gx","gaus",-1000,1000); | |
1667 | gx->SetLineColor(2); | |
1668 | hx->Fit(gx); | |
1669 | TF1 *gxx = (TF1*)gx->Clone("gxx"); | |
1670 | gxx->FixParameter(2,50.); | |
1671 | gxx->SetLineStyle(2); | |
1672 | gxx->Draw("same"); | |
1673 | c->cd(2); | |
1674 | hy->Draw(); | |
1675 | TF1 *gy = new TF1("gy","gaus",-1000,1000); | |
1676 | gy->SetLineColor(2); | |
1677 | hy->Fit(gy); | |
1678 | TF1 *gyy = (TF1*)gy->Clone("gyy"); | |
1679 | gyy->FixParameter(2,50.); | |
1680 | gyy->SetLineStyle(2); | |
1681 | gyy->Draw("same"); | |
1682 | c->cd(3); | |
1683 | hz->Draw(); | |
1684 | TF1 *gz = new TF1("gz","gaus",-10,10); | |
1685 | gz->SetLineColor(2); | |
1686 | hz->Fit(gz); | |
1687 | TF1 *gzz = (TF1*)gz->Clone("gzz"); | |
1688 | gzz->FixParameter(2,5.3); | |
1689 | gzz->SetLineStyle(2); | |
1690 | gzz->Draw("same"); | |
1691 | ||
1692 | vtx[0] = wgtavx; | |
1693 | vtx[1] = wgtavy; | |
1694 | vtx[2] = wgtavz; | |
1695 | covvtx[0] = varx; | |
1696 | covvtx[1] = covxy; | |
1697 | covvtx[2] = vary; | |
1698 | covvtx[3] = covxz; | |
1699 | covvtx[4] = covyz; | |
1700 | covvtx[5] = 5.3; | |
1701 | AliESDVertex *vtxmean = new AliESDVertex(vtx,covvtx,0.,(Int_t)sum); | |
1702 | vtxmean->SetTitle("Vertex from weighted average"); | |
1703 | TFile *out = new TFile("AliESDVertexMean.root","recreate"); | |
1704 | vtxmean->Write("vtxmean"); | |
1705 | out->Close(); | |
1706 | ||
1707 | return; | |
1708 | } | |
1709 | //---------------------------------------------------------------------------- | |
1710 | void AliComputeVtxMeanFromTree(TString file="AliESDVertices.root", | |
1711 | Int_t mincontr=20) { | |
1712 | //----------------------------------------------------------------------- | |
1713 | // Compute weighted mean and cov. matrix from a set of AliESDVertices | |
1714 | //----------------------------------------------------------------------- | |
1715 | gStyle->SetOptStat(0); | |
1716 | //gStyle->SetOptFit(0); | |
1717 | ||
1718 | ||
1719 | Double_t vtx[3],covvtx[6]; | |
1720 | TString vtitle; | |
1721 | Int_t nc,total=0; | |
1722 | ||
1723 | Double_t avx=0.; | |
1724 | Double_t avy=0.; | |
1725 | Double_t avz=0.; | |
1726 | Double_t wgtavx=0.; | |
1727 | Double_t wgtavy=0.; | |
1728 | Double_t wgtavz=0.; | |
1729 | Double_t sum=0.; | |
1730 | Double_t sumwgtx=0.; | |
1731 | Double_t sumwgty=0.; | |
1732 | Double_t sumwgtz=0.; | |
1733 | Double_t rmsx=0; | |
1734 | Double_t rmsy=0; | |
1735 | Double_t rmsz=0; | |
1736 | Double_t eavx,eavy,eavz,ewgtavx,ewgtavy,ewgtavz; | |
1737 | ||
1738 | TH1F* hx = new TH1F("hx","",200,-1000,1000); | |
1739 | hx->SetXTitle("vertex x [#mu m]"); | |
1740 | hx->SetYTitle("events"); | |
1741 | TH1F* hy = new TH1F("hy","",200,-1000,1000); | |
1742 | hy->SetXTitle("vertex y [#mu m]"); | |
1743 | hy->SetYTitle("events"); | |
1744 | TH1F* hz = new TH1F("hz","",200,-10,10); | |
1745 | hz->SetXTitle("vertex z [cm]"); | |
1746 | hz->SetYTitle("events"); | |
1747 | ||
1748 | ||
1749 | if(gSystem->AccessPathName(file.Data())) continue; | |
1750 | TFile *fin = TFile::Open(file.Data()); | |
1751 | TTree *tree = (TTree*)fin->Get("TreeV"); | |
1752 | AliESDVertex *vertex = 0; | |
1753 | tree->SetBranchAddress("AliESDVertex",&vertex); | |
1754 | Int_t entries = (Int_t)tree->GetEntries(); | |
1755 | ||
1756 | for(Int_t i=0; i<entries; i++) { | |
1757 | total += 1; | |
1758 | tree->GetEvent(i); | |
1759 | nc = vertex->GetNContributors(); | |
1760 | if(nc<mincontr) continue; | |
1761 | vertex->GetXYZ(vtx); | |
1762 | vertex->GetSigmaXYZ(errvtx); | |
1763 | //printf("%f %f %f %f %f %f\n",vtx[0],vtx[1],vtx[2],errvtx[0],errvtx[1],errvtx[2]); | |
1764 | ||
1765 | avx += vtx[0]; | |
1766 | avy += vtx[1]; | |
1767 | avz += vtx[2]; | |
1768 | sum += 1.; | |
1769 | wgtavx += vtx[0]/errvtx[0]/errvtx[0]; | |
1770 | wgtavy += vtx[1]/errvtx[1]/errvtx[1]; | |
1771 | wgtavz += vtx[2]/errvtx[2]/errvtx[2]; | |
1772 | sumwgtx += 1./errvtx[0]/errvtx[0]; | |
1773 | sumwgty += 1./errvtx[1]/errvtx[1]; | |
1774 | sumwgtz += 1./errvtx[2]/errvtx[2]; | |
1775 | ||
1776 | hx->Fill(1e4*vtx[0]); | |
1777 | hy->Fill(1e4*vtx[1]); | |
1778 | hz->Fill(vtx[2]); | |
1779 | ||
1780 | vertex = 0; | |
1781 | } | |
1782 | ||
1783 | avx /= sum; | |
1784 | avy /= sum; | |
1785 | avz /= sum; | |
1786 | wgtavx /= sumwgtx; | |
1787 | wgtavy /= sumwgty; | |
1788 | wgtavz /= sumwgtz; | |
1789 | ewgtavx = 1./TMath::Sqrt(sumwgtx); | |
1790 | ewgtavy = 1./TMath::Sqrt(sumwgty); | |
1791 | ewgtavz = 1./TMath::Sqrt(sumwgtz); | |
1792 | ||
1793 | ||
1794 | for(Int_t i=0; i<entries; i++) { | |
1795 | tree->GetEvent(i); | |
1796 | nc = vertex->GetNContributors(); | |
1797 | if(nc<mincontr) continue; | |
1798 | vertex->GetXYZ(vtx); | |
1799 | vertex->GetSigmaXYZ(errvtx); | |
1800 | ||
1801 | varx += (vtx[0]-avx)*(vtx[0]-avx); | |
1802 | vary += (vtx[1]-avy)*(vtx[1]-avy); | |
1803 | varz += (vtx[2]-avz)*(vtx[2]-avz); | |
1804 | covxy += (vtx[0]-avx)*(vtx[1]-avy); | |
1805 | covxz += (vtx[0]-avx)*(vtx[2]-avz); | |
1806 | covyz += (vtx[1]-avy)*(vtx[2]-avz); | |
1807 | ||
1808 | vertex = 0; | |
1809 | } | |
1810 | ||
1811 | varx /= sum; | |
1812 | vary /= sum; | |
1813 | varz /= sum; | |
1814 | covxy /= sum; | |
1815 | covxz /= sum; | |
1816 | covyz /= sum; | |
1817 | rmsx = TMath::Sqrt(varx); | |
1818 | rmsy = TMath::Sqrt(vary); | |
1819 | rmsz = TMath::Sqrt(varz); | |
1820 | eavx = rmsx/TMath::Sqrt(sum); | |
1821 | eavy = rmsy/TMath::Sqrt(sum); | |
1822 | eavz = rmsz/TMath::Sqrt(sum); | |
1823 | ||
1824 | ||
1825 | printf("\n\nNumber of events: Total %d, Used %d\n",total,sum); | |
1826 | 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); | |
1827 | 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); | |
1828 | printf("RMS:\n x = %f mum\n y = %f mum\n z = %f mum\n",1e4*rmsx,1e4*rmsy,1e4*rmsz); | |
1829 | ||
1830 | TCanvas *c = new TCanvas("c","c",0,0,1000,500); | |
1831 | c->Divide(3,1); | |
1832 | c->cd(1); | |
1833 | hx->Draw(); | |
1834 | TF1 *gx = new TF1("gx","gaus",-1000,1000); | |
1835 | gx->SetLineColor(2); | |
1836 | hx->Fit(gx); | |
1837 | TF1 *gxx = (TF1*)gx->Clone("gxx"); | |
1838 | gxx->FixParameter(2,50.); | |
1839 | gxx->SetLineStyle(2); | |
1840 | gxx->Draw("same"); | |
1841 | c->cd(2); | |
1842 | hy->Draw(); | |
1843 | TF1 *gy = new TF1("gy","gaus",-1000,1000); | |
1844 | gy->SetLineColor(2); | |
1845 | hy->Fit(gy); | |
1846 | TF1 *gyy = (TF1*)gy->Clone("gyy"); | |
1847 | gyy->FixParameter(2,50.); | |
1848 | gyy->SetLineStyle(2); | |
1849 | gyy->Draw("same"); | |
1850 | c->cd(3); | |
1851 | hz->Draw(); | |
1852 | TF1 *gz = new TF1("gz","gaus",-10,10); | |
1853 | gz->SetLineColor(2); | |
1854 | hz->Fit(gz); | |
1855 | TF1 *gzz = (TF1*)gz->Clone("gzz"); | |
1856 | gzz->FixParameter(2,5.3); | |
1857 | gzz->SetLineStyle(2); | |
1858 | gzz->Draw("same"); | |
1859 | ||
1860 | vtx[0] = wgtavx; | |
1861 | vtx[1] = wgtavy; | |
1862 | vtx[2] = wgtavz; | |
1863 | covvtx[0] = varx; | |
1864 | covvtx[1] = covxy; | |
1865 | covvtx[2] = vary; | |
1866 | covvtx[3] = covxz; | |
1867 | covvtx[4] = covyz; | |
1868 | covvtx[5] = 5.3; | |
1869 | AliESDVertex *vtxmean = new AliESDVertex(vtx,covvtx,0.,(Int_t)sum); | |
1870 | vtxmean->SetTitle("Vertex from weighted average"); | |
1871 | TFile *out = new TFile("AliESDVertexMean.root","recreate"); | |
1872 | vtxmean->Write("vtxmean"); | |
1873 | out->Close(); | |
1874 | ||
1875 | return; | |
1876 | } | |
1877 | //--------------------------------------------------------------------------- |