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0c6af5c9 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
d531b7a1 | 15 | #include "AliITSVertexerZ.h" |
0c6af5c9 | 16 | #include<TBranch.h> |
7299b7a8 | 17 | #include<TClonesArray.h> |
0c6af5c9 | 18 | #include<TH1.h> |
d531b7a1 | 19 | #include <TString.h> |
0c6af5c9 | 20 | #include<TTree.h> |
d531b7a1 | 21 | #include "AliITSLoader.h" |
22 | #include "AliITSgeom.h" | |
7d62fb64 | 23 | #include "AliITSDetTypeRec.h" |
d531b7a1 | 24 | #include "AliITSRecPoint.h" |
7299b7a8 | 25 | #include "AliITSZPoint.h" |
0c6af5c9 | 26 | |
27 | ///////////////////////////////////////////////////////////////// | |
28 | // this class implements a fast method to determine | |
29 | // the Z coordinate of the primary vertex | |
30 | // for p-p collisions it seems to give comparable or better results | |
31 | // with respect to what obtained with AliITSVertexerPPZ | |
32 | // It can be used successfully with Pb-Pb collisions | |
33 | //////////////////////////////////////////////////////////////// | |
34 | ||
35 | ClassImp(AliITSVertexerZ) | |
36 | ||
37 | ||
38 | ||
39 | //______________________________________________________________________ | |
8221b41b | 40 | AliITSVertexerZ::AliITSVertexerZ():AliITSVertexer(), |
41 | fFirstL1(0), | |
42 | fLastL1(0), | |
43 | fFirstL2(0), | |
44 | fLastL2(0), | |
45 | fDiffPhiMax(0), | |
8221b41b | 46 | fZFound(0), |
47 | fZsig(0.), | |
48 | fZCombc(0), | |
8221b41b | 49 | fLowLim(0.), |
50 | fHighLim(0.), | |
51 | fStepCoarse(0), | |
8221b41b | 52 | fTolerance(0.), |
7299b7a8 | 53 | fMaxIter(0), |
54 | fWindowWidth(0) { | |
0c6af5c9 | 55 | // Default constructor |
7299b7a8 | 56 | SetDiffPhiMax(); |
57 | SetFirstLayerModules(); | |
58 | SetSecondLayerModules(); | |
59 | SetLowLimit(); | |
60 | SetHighLimit(); | |
61 | SetBinWidthCoarse(); | |
62 | SetTolerance(); | |
63 | SetPPsetting(); | |
6fd990e3 | 64 | ConfigIterations(); |
7299b7a8 | 65 | SetWindowWidth(); |
0c6af5c9 | 66 | } |
67 | ||
68 | //______________________________________________________________________ | |
8221b41b | 69 | AliITSVertexerZ::AliITSVertexerZ(TString fn, Float_t x0, Float_t y0):AliITSVertexer(fn), |
70 | fFirstL1(0), | |
71 | fLastL1(0), | |
72 | fFirstL2(0), | |
73 | fLastL2(0), | |
74 | fDiffPhiMax(0), | |
8221b41b | 75 | fZFound(0), |
76 | fZsig(0.), | |
77 | fZCombc(0), | |
8221b41b | 78 | fLowLim(0.), |
79 | fHighLim(0.), | |
80 | fStepCoarse(0), | |
8221b41b | 81 | fTolerance(0.), |
7299b7a8 | 82 | fMaxIter(0), |
83 | fWindowWidth(0) { | |
0c6af5c9 | 84 | // Standard Constructor |
85 | SetDiffPhiMax(); | |
0c6af5c9 | 86 | SetFirstLayerModules(); |
87 | SetSecondLayerModules(); | |
0c6af5c9 | 88 | SetLowLimit(); |
89 | SetHighLimit(); | |
90 | SetBinWidthCoarse(); | |
0c6af5c9 | 91 | SetTolerance(); |
ecc64c3f | 92 | SetPPsetting(); |
6fd990e3 | 93 | ConfigIterations(); |
7299b7a8 | 94 | SetWindowWidth(); |
60b9526b | 95 | SetVtxStart((Double_t)x0,(Double_t)y0,0.); |
0c6af5c9 | 96 | |
97 | } | |
98 | ||
99 | //______________________________________________________________________ | |
8221b41b | 100 | AliITSVertexerZ::AliITSVertexerZ(const AliITSVertexerZ &vtxr) : AliITSVertexer(vtxr), |
101 | fFirstL1(vtxr.fFirstL1), | |
102 | fLastL1(vtxr.fLastL1), | |
103 | fFirstL2(vtxr.fFirstL2), | |
104 | fLastL2(vtxr.fLastL2), | |
105 | fDiffPhiMax(vtxr.fDiffPhiMax), | |
8221b41b | 106 | fZFound(vtxr.fZFound), |
107 | fZsig(vtxr.fZsig), | |
108 | fZCombc(vtxr.fZCombc), | |
8221b41b | 109 | fLowLim(vtxr.fLowLim), |
110 | fHighLim(vtxr.fHighLim), | |
111 | fStepCoarse(vtxr.fStepCoarse), | |
8221b41b | 112 | fTolerance(vtxr.fTolerance), |
7299b7a8 | 113 | fMaxIter(vtxr.fMaxIter), |
114 | fWindowWidth(vtxr.fWindowWidth){ | |
0c6af5c9 | 115 | // Copy constructor |
8221b41b | 116 | |
0c6af5c9 | 117 | } |
118 | ||
119 | //______________________________________________________________________ | |
8221b41b | 120 | AliITSVertexerZ& AliITSVertexerZ::operator=(const AliITSVertexerZ& vtxr ){ |
0c6af5c9 | 121 | // Assignment operator |
8221b41b | 122 | |
123 | this->~AliITSVertexerZ(); | |
124 | new(this) AliITSVertexerZ(vtxr); | |
0c6af5c9 | 125 | return *this; |
126 | } | |
127 | ||
0c6af5c9 | 128 | //______________________________________________________________________ |
129 | AliITSVertexerZ::~AliITSVertexerZ() { | |
ecc64c3f | 130 | // Destructor |
131 | delete fZCombc; | |
0c6af5c9 | 132 | } |
133 | ||
6fd990e3 | 134 | //______________________________________________________________________ |
135 | void AliITSVertexerZ::ConfigIterations(Int_t noiter,Float_t *ptr){ | |
136 | // configure the iterative procedure to gain efficiency for | |
137 | // pp events with very low multiplicity | |
138 | Float_t defaults[5]={0.05,0.1,0.2,0.3,0.5}; | |
139 | fMaxIter=noiter; | |
140 | if(noiter>5){ | |
141 | Error("ConfigIterations","Maximum number of iterations is 5\n"); | |
142 | fMaxIter=5; | |
143 | } | |
144 | for(Int_t j=0;j<5;j++)fPhiDiffIter[j]=defaults[j]; | |
145 | if(ptr)for(Int_t j=0;j<fMaxIter;j++)fPhiDiffIter[j]=ptr[j]; | |
146 | } | |
147 | ||
debb3dde | 148 | //______________________________________________________________________ |
149 | Int_t AliITSVertexerZ::GetPeakRegion(TH1F*h, Int_t &binmin, Int_t &binmax) const { | |
150 | // Finds a region around a peak in the Z histogram | |
151 | // Case of 2 peaks is treated | |
152 | Int_t imax=h->GetNbinsX(); | |
153 | Float_t maxval=0; | |
154 | Int_t bi1=h->GetMaximumBin(); | |
155 | Int_t bi2=0; | |
156 | for(Int_t i=imax;i>=1;i--){ | |
157 | if(h->GetBinContent(i)>maxval){ | |
158 | maxval=h->GetBinContent(i); | |
159 | bi2=i; | |
160 | } | |
161 | } | |
162 | Int_t npeaks=0; | |
163 | ||
164 | if(bi1==bi2){ | |
165 | binmin=bi1-3; | |
166 | binmax=bi1+3; | |
167 | npeaks=1; | |
168 | }else{ | |
169 | TH1F *copy = new TH1F(*h); | |
170 | copy->SetBinContent(bi1,0.); | |
171 | copy->SetBinContent(bi2,0.); | |
172 | Int_t l1=TMath::Max(bi1-3,1); | |
173 | Int_t l2=TMath::Min(bi1+3,h->GetNbinsX()); | |
174 | Float_t cont1=copy->Integral(l1,l2); | |
175 | Int_t ll1=TMath::Max(bi2-3,1); | |
176 | Int_t ll2=TMath::Min(bi2+3,h->GetNbinsX()); | |
177 | Float_t cont2=copy->Integral(ll1,ll2); | |
178 | if(cont1>cont2){ | |
179 | binmin=l1; | |
180 | binmax=l2; | |
181 | npeaks=1; | |
182 | } | |
183 | if(cont2>cont1){ | |
184 | binmin=ll1; | |
185 | binmax=ll2; | |
186 | npeaks=1; | |
187 | } | |
188 | if(cont1==cont2){ | |
189 | binmin=l1; | |
190 | binmax=ll2; | |
191 | if(bi2-bi1==1) npeaks=1; | |
192 | else npeaks=2; | |
193 | } | |
194 | delete copy; | |
195 | } | |
196 | return npeaks; | |
197 | } | |
0c6af5c9 | 198 | //______________________________________________________________________ |
d681bb2d | 199 | AliESDVertex* AliITSVertexerZ::FindVertexForCurrentEvent(Int_t evnumber){ |
200 | // Defines the AliESDVertex for the current event | |
6fd990e3 | 201 | VertexZFinder(evnumber); |
202 | Int_t ntrackl=0; | |
203 | for(Int_t iteraz=0;iteraz<fMaxIter;iteraz++){ | |
204 | if(fCurrentVertex) ntrackl=fCurrentVertex->GetNContributors(); | |
205 | if(!fCurrentVertex || ntrackl==0 || ntrackl==-1){ | |
206 | Float_t diffPhiMaxOrig=fDiffPhiMax; | |
207 | fDiffPhiMax=GetPhiMaxIter(iteraz); | |
208 | VertexZFinder(evnumber); | |
209 | fDiffPhiMax=diffPhiMaxOrig; | |
210 | } | |
211 | } | |
32e449be | 212 | FindMultiplicity(evnumber); |
6fd990e3 | 213 | return fCurrentVertex; |
214 | } | |
215 | ||
216 | //______________________________________________________________________ | |
217 | void AliITSVertexerZ::VertexZFinder(Int_t evnumber){ | |
218 | // Defines the AliESDVertex for the current event | |
0c6af5c9 | 219 | fCurrentVertex = 0; |
220 | AliRunLoader *rl =AliRunLoader::GetRunLoader(); | |
7d62fb64 | 221 | AliITSLoader* itsLoader = (AliITSLoader*)rl->GetLoader("ITSLoader"); |
32e449be | 222 | AliITSgeom* geom = itsLoader->GetITSgeom(); |
2257f27e | 223 | itsLoader->LoadRecPoints(); |
0c6af5c9 | 224 | rl->GetEvent(evnumber); |
225 | ||
7d62fb64 | 226 | AliITSDetTypeRec detTypeRec; |
0c6af5c9 | 227 | |
228 | TTree *tR = itsLoader->TreeR(); | |
7d62fb64 | 229 | detTypeRec.SetTreeAddressR(tR); |
0c6af5c9 | 230 | TClonesArray *itsRec = 0; |
27167524 | 231 | // lc1 and gc1 are local and global coordinates for layer 1 |
232 | Float_t lc1[3]; for(Int_t ii=0; ii<3; ii++) lc1[ii]=0.; | |
233 | Float_t gc1[3]; for(Int_t ii=0; ii<3; ii++) gc1[ii]=0.; | |
ecc64c3f | 234 | // lc2 and gc2 are local and global coordinates for layer 2 |
0c6af5c9 | 235 | Float_t lc2[3]; for(Int_t ii=0; ii<3; ii++) lc2[ii]=0.; |
236 | Float_t gc2[3]; for(Int_t ii=0; ii<3; ii++) gc2[ii]=0.; | |
237 | ||
7d62fb64 | 238 | itsRec = detTypeRec.RecPoints(); |
2257f27e | 239 | TBranch *branch; |
00a7cc50 | 240 | branch = tR->GetBranch("ITSRecPoints"); |
0c6af5c9 | 241 | |
0c6af5c9 | 242 | Int_t nrpL1 = 0; |
243 | Int_t nrpL2 = 0; | |
27167524 | 244 | |
ecc64c3f | 245 | // By default fFirstL1=0 and fLastL1=79 |
0c6af5c9 | 246 | for(Int_t module= fFirstL1; module<=fLastL1;module++){ |
0c6af5c9 | 247 | branch->GetEvent(module); |
248 | nrpL1+= itsRec->GetEntries(); | |
7d62fb64 | 249 | detTypeRec.ResetRecPoints(); |
0c6af5c9 | 250 | } |
ecc64c3f | 251 | //By default fFirstL2=80 and fLastL2=239 |
0c6af5c9 | 252 | for(Int_t module= fFirstL2; module<=fLastL2;module++){ |
253 | branch->GetEvent(module); | |
254 | nrpL2+= itsRec->GetEntries(); | |
7d62fb64 | 255 | detTypeRec.ResetRecPoints(); |
0c6af5c9 | 256 | } |
0c6af5c9 | 257 | if(nrpL1 == 0 || nrpL2 == 0){ |
0c6af5c9 | 258 | ResetHistograms(); |
6fd990e3 | 259 | itsLoader->UnloadRecPoints(); |
260 | fCurrentVertex = new AliESDVertex(0.,5.3,-2); | |
261 | return; | |
0c6af5c9 | 262 | } |
ecc64c3f | 263 | // Force a coarse bin size of 200 microns if the number of clusters on layer 2 |
264 | // is low | |
265 | if(nrpL2<fPPsetting[0])SetBinWidthCoarse(fPPsetting[1]); | |
ecc64c3f | 266 | // By default nbincoarse=(10+10)/0.01=2000 |
267 | Int_t nbincoarse = static_cast<Int_t>((fHighLim-fLowLim)/fStepCoarse); | |
ecc64c3f | 268 | if(fZCombc)delete fZCombc; |
269 | fZCombc = new TH1F("fZCombc","Z",nbincoarse,fLowLim,fLowLim+nbincoarse*fStepCoarse); | |
7299b7a8 | 270 | |
27167524 | 271 | /* Test the ffect of mutiple scatternig on error. Negligible |
7299b7a8 | 272 | // Multiple scattering |
273 | Float_t beta=1.,pmed=0.875; //pmed=875 MeV (for tracks with dphi<0.01 rad) | |
274 | Float_t beta2=beta*beta; | |
275 | Float_t p2=pmed*pmed; | |
276 | Float_t rBP=3; //Beam Pipe radius = 3cm | |
277 | Float_t dBP=0.08/35.3; // 800 um of Be | |
278 | Float_t dL1=0.01; //approx. 1% of radiation length | |
279 | Float_t theta2BP=14.1*14.1/(beta2*p2*1e6)*TMath::Abs(dBP); | |
280 | Float_t theta2L1=14.1*14.1/(beta2*p2*1e6)*TMath::Abs(dL1); | |
281 | */ | |
27167524 | 282 | Int_t maxdim=TMath::Min(nrpL1*nrpL2,50000); // temporary; to limit the size in PbPb |
283 | TClonesArray *points = new TClonesArray("AliITSZPoint",maxdim); | |
7299b7a8 | 284 | TClonesArray &pts = *points; |
285 | Int_t nopoints =0; | |
27167524 | 286 | for(Int_t modul1= fFirstL1; modul1<=fLastL1;modul1++){ // Loop on modules of layer 1 |
287 | UShort_t ladder=int(modul1/4)+1; // ladders are numbered starting from 1 | |
288 | branch->GetEvent(modul1); | |
289 | Int_t nrecp1 = itsRec->GetEntries(); | |
290 | TClonesArray *prpl1 = new TClonesArray("AliITSRecPoint",nrecp1); | |
291 | prpl1->SetOwner(); | |
292 | TClonesArray &rpl1 = *prpl1; | |
293 | for(Int_t j=0;j<nrecp1;j++){ | |
294 | AliITSRecPoint *recp = (AliITSRecPoint*)itsRec->At(j); | |
295 | new(rpl1[j])AliITSRecPoint(*recp); | |
296 | } | |
297 | detTypeRec.ResetRecPoints(); | |
298 | for(Int_t j1=0;j1<nrecp1;j1++){ | |
299 | AliITSRecPoint *recp = (AliITSRecPoint*)prpl1->At(j1); | |
300 | lc1[0]=recp->GetDetLocalX(); | |
301 | lc1[2]=recp->GetDetLocalZ(); | |
302 | geom->LtoG(modul1,lc1,gc1); | |
303 | // Global coordinates of this recpoints | |
304 | gc1[0]-=fNominalPos[0]; // Possible beam offset in the bending plane | |
305 | gc1[1]-=fNominalPos[1]; // " " | |
306 | Float_t r1=TMath::Sqrt(gc1[0]*gc1[0]+gc1[1]*gc1[1]); | |
307 | Float_t phi1 = TMath::ATan2(gc1[1],gc1[0]); | |
308 | if(phi1<0)phi1+=2*TMath::Pi(); | |
309 | Float_t zc1=gc1[2]; | |
310 | Float_t erz1=recp->GetSigmaZ2(); | |
311 | for(Int_t ladl2=0 ; ladl2<fLadOnLay2*2+1;ladl2++){ | |
312 | for(Int_t k=0;k<4;k++){ | |
313 | Int_t ladmod=fLadders[ladder-1]+ladl2; | |
314 | if(ladmod>geom->GetNladders(2)) ladmod=ladmod-geom->GetNladders(2); | |
315 | Int_t modul2=geom->GetModuleIndex(2,ladmod,k+1); | |
316 | branch->GetEvent(modul2); | |
317 | Int_t nrecp2 = itsRec->GetEntries(); | |
318 | for(Int_t j2=0;j2<nrecp2;j2++){ | |
319 | recp = (AliITSRecPoint*)itsRec->At(j2); | |
320 | lc2[0]=recp->GetDetLocalX(); | |
321 | lc2[2]=recp->GetDetLocalZ(); | |
322 | geom->LtoG(modul2,lc2,gc2); | |
323 | gc2[0]-=fNominalPos[0]; | |
324 | gc2[1]-=fNominalPos[1]; | |
325 | Float_t r2=TMath::Sqrt(gc2[0]*gc2[0]+gc2[1]*gc2[1]); | |
326 | Float_t phi2 = TMath::ATan2(gc2[1],gc2[0]); | |
327 | if(phi2<0)phi2+=2*TMath::Pi(); | |
328 | Float_t zc2=gc2[2]; | |
329 | Float_t erz2=recp->GetSigmaZ2(); | |
330 | ||
331 | Float_t diff = TMath::Abs(phi2-phi1); | |
332 | if(diff>TMath::Pi())diff=2.*TMath::Pi()-diff; | |
333 | if(diff<fDiffPhiMax){ | |
334 | // Float_t tgth=(zc2[j]-zc1[i])/(r2-r1); // slope (used for multiple scattering) | |
335 | Float_t zr0=(r2*zc1-r1*zc2)/(r2-r1); //Z @ null radius | |
336 | Float_t ezr0q=(r2*r2*erz1+r1*r1*erz2)/(r2-r1)/(r2-r1); //error on Z @ null radius | |
337 | /* | |
338 | // Multiple scattering | |
7299b7a8 | 339 | ezr0q+=r1*r1*(1+tgth*tgth)*theta2L1/2; // multiple scattering in layer 1 |
340 | ezr0q+=rBP*rBP*(1+tgth*tgth)*theta2BP/2; // multiple scattering in beam pipe | |
341 | */ | |
27167524 | 342 | if(nopoints<maxdim) new(pts[nopoints++])AliITSZPoint(zr0,ezr0q); |
343 | fZCombc->Fill(zr0); | |
344 | } | |
345 | } | |
346 | detTypeRec.ResetRecPoints(); | |
347 | } | |
0c6af5c9 | 348 | } |
349 | } | |
27167524 | 350 | delete prpl1; |
0c6af5c9 | 351 | } |
7299b7a8 | 352 | |
353 | points->Sort(); | |
354 | ||
6fd990e3 | 355 | Double_t contents = fZCombc->GetEntries()- fZCombc->GetBinContent(0)-fZCombc->GetBinContent(nbincoarse+1); |
356 | if(contents<1.){ | |
357 | // Warning("FindVertexForCurrentEvent","Insufficient number of rec. points\n"); | |
0c6af5c9 | 358 | ResetHistograms(); |
6fd990e3 | 359 | itsLoader->UnloadRecPoints(); |
360 | fCurrentVertex = new AliESDVertex(0.,5.3,-1); | |
361 | return; | |
0c6af5c9 | 362 | } |
ecc64c3f | 363 | |
364 | TH1F *hc = fZCombc; | |
ecc64c3f | 365 | |
ecc64c3f | 366 | |
7299b7a8 | 367 | if(hc->GetBinContent(hc->GetMaximumBin())<3)hc->Rebin(3); |
debb3dde | 368 | Int_t binmin,binmax; |
369 | Int_t nPeaks=GetPeakRegion(hc,binmin,binmax); | |
370 | if(nPeaks==2)AliWarning("2 peaks found"); | |
7299b7a8 | 371 | Float_t zm =0.; |
372 | Float_t ezm =0.; | |
373 | Float_t lim1 = hc->GetBinLowEdge(binmin); | |
374 | Float_t lim2 = hc->GetBinLowEdge(binmax)+hc->GetBinWidth(binmax); | |
375 | ||
376 | if(nPeaks ==1 && (lim2-lim1)<fWindowWidth){ | |
377 | Float_t c=(lim1+lim2)/2.; | |
378 | lim1=c-fWindowWidth/2.; | |
379 | lim2=c+fWindowWidth/2.; | |
ecc64c3f | 380 | } |
7299b7a8 | 381 | Int_t niter = 0, ncontr=0; |
382 | do { | |
383 | // symmetrization | |
384 | if(zm !=0.){ | |
385 | Float_t semilarg=TMath::Min((lim2-zm),(zm-lim1)); | |
386 | lim1=zm - semilarg; | |
387 | lim2=zm + semilarg; | |
0c6af5c9 | 388 | } |
7299b7a8 | 389 | |
390 | zm=0.; | |
391 | ezm=0.; | |
392 | ncontr=0; | |
393 | for(Int_t i =0; i<points->GetEntriesFast(); i++){ | |
394 | AliITSZPoint* p=(AliITSZPoint*)points->UncheckedAt(i); | |
395 | if(p->GetZ()>lim1 && p->GetZ()<lim2){ | |
396 | Float_t deno = p->GetErrZ(); | |
397 | zm+=p->GetZ()/deno; | |
398 | ezm+=1./deno; | |
399 | ncontr++; | |
ecc64c3f | 400 | } |
401 | } | |
7299b7a8 | 402 | zm/=ezm; |
403 | ezm=TMath::Sqrt(1./ezm); | |
404 | niter++; | |
405 | } while(niter<10 && TMath::Abs((zm-lim1)-(lim2-zm))>fTolerance); | |
406 | fCurrentVertex = new AliESDVertex(zm,ezm,ncontr); | |
0c6af5c9 | 407 | fCurrentVertex->SetTitle("vertexer: B"); |
27167524 | 408 | delete points; |
0c6af5c9 | 409 | ResetHistograms(); |
6fd990e3 | 410 | itsLoader->UnloadRecPoints(); |
411 | return; | |
0c6af5c9 | 412 | } |
413 | ||
27167524 | 414 | |
415 | ||
0c6af5c9 | 416 | //_____________________________________________________________________ |
417 | void AliITSVertexerZ::ResetHistograms(){ | |
418 | // delete TH1 data members | |
419 | if(fZCombc)delete fZCombc; | |
0c6af5c9 | 420 | fZCombc = 0; |
0c6af5c9 | 421 | } |
422 | ||
423 | //______________________________________________________________________ | |
424 | void AliITSVertexerZ::FindVertices(){ | |
425 | // computes the vertices of the events in the range FirstEvent - LastEvent | |
426 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
427 | AliITSLoader* itsLoader = (AliITSLoader*) rl->GetLoader("ITSLoader"); | |
428 | itsLoader->ReloadRecPoints(); | |
429 | for(Int_t i=fFirstEvent;i<=fLastEvent;i++){ | |
6fd990e3 | 430 | // cout<<"Processing event "<<i<<endl; |
0c6af5c9 | 431 | rl->GetEvent(i); |
432 | FindVertexForCurrentEvent(i); | |
433 | if(fCurrentVertex){ | |
434 | WriteCurrentVertex(); | |
435 | } | |
0c6af5c9 | 436 | } |
437 | } | |
438 | ||
439 | //________________________________________________________ | |
440 | void AliITSVertexerZ::PrintStatus() const { | |
441 | // Print current status | |
442 | cout <<"=======================================================\n"; | |
443 | cout <<" First layer first and last modules: "<<fFirstL1<<", "; | |
444 | cout <<fLastL1<<endl; | |
445 | cout <<" Second layer first and last modules: "<<fFirstL2<<", "; | |
446 | cout <<fLastL2<<endl; | |
447 | cout <<" Max Phi difference: "<<fDiffPhiMax<<endl; | |
448 | cout <<"Limits for Z histograms: "<<fLowLim<<"; "<<fHighLim<<endl; | |
7299b7a8 | 449 | cout <<"Bin sizes for coarse z histos "<<fStepCoarse<<endl; |
0c6af5c9 | 450 | cout <<" Current Z "<<fZFound<<"; Z sig "<<fZsig<<endl; |
0c6af5c9 | 451 | cout <<"First event to be processed "<<fFirstEvent; |
452 | cout <<"\n Last event to be processed "<<fLastEvent<<endl; | |
ecc64c3f | 453 | if(fZCombc){ |
454 | cout<<"fZCombc exists - entries="<<fZCombc->GetEntries()<<endl; | |
455 | } | |
456 | else{ | |
457 | cout<<"fZCombc does not exist\n"; | |
458 | } | |
0c6af5c9 | 459 | |
460 | cout <<"=======================================================\n"; | |
461 | } | |
462 |