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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> |
308c2f7c | 21 | #include "AliESDVertex.h" |
32e63e47 | 22 | #include "AliITSgeomTGeo.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 | //______________________________________________________________________ | |
308c2f7c | 69 | AliITSVertexerZ::AliITSVertexerZ(Float_t x0, Float_t y0):AliITSVertexer(), |
8221b41b | 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 | ||
0c6af5c9 | 99 | //______________________________________________________________________ |
100 | AliITSVertexerZ::~AliITSVertexerZ() { | |
ecc64c3f | 101 | // Destructor |
102 | delete fZCombc; | |
0c6af5c9 | 103 | } |
104 | ||
6fd990e3 | 105 | //______________________________________________________________________ |
106 | void AliITSVertexerZ::ConfigIterations(Int_t noiter,Float_t *ptr){ | |
107 | // configure the iterative procedure to gain efficiency for | |
108 | // pp events with very low multiplicity | |
109 | Float_t defaults[5]={0.05,0.1,0.2,0.3,0.5}; | |
110 | fMaxIter=noiter; | |
111 | if(noiter>5){ | |
112 | Error("ConfigIterations","Maximum number of iterations is 5\n"); | |
113 | fMaxIter=5; | |
114 | } | |
115 | for(Int_t j=0;j<5;j++)fPhiDiffIter[j]=defaults[j]; | |
116 | if(ptr)for(Int_t j=0;j<fMaxIter;j++)fPhiDiffIter[j]=ptr[j]; | |
117 | } | |
118 | ||
debb3dde | 119 | //______________________________________________________________________ |
8c32ba44 | 120 | Int_t AliITSVertexerZ::GetPeakRegion(TH1F*h, Int_t &binmin, Int_t &binmax){ |
debb3dde | 121 | // Finds a region around a peak in the Z histogram |
122 | // Case of 2 peaks is treated | |
123 | Int_t imax=h->GetNbinsX(); | |
124 | Float_t maxval=0; | |
125 | Int_t bi1=h->GetMaximumBin(); | |
126 | Int_t bi2=0; | |
127 | for(Int_t i=imax;i>=1;i--){ | |
128 | if(h->GetBinContent(i)>maxval){ | |
129 | maxval=h->GetBinContent(i); | |
130 | bi2=i; | |
131 | } | |
132 | } | |
133 | Int_t npeaks=0; | |
134 | ||
135 | if(bi1==bi2){ | |
136 | binmin=bi1-3; | |
137 | binmax=bi1+3; | |
138 | npeaks=1; | |
139 | }else{ | |
140 | TH1F *copy = new TH1F(*h); | |
141 | copy->SetBinContent(bi1,0.); | |
142 | copy->SetBinContent(bi2,0.); | |
143 | Int_t l1=TMath::Max(bi1-3,1); | |
144 | Int_t l2=TMath::Min(bi1+3,h->GetNbinsX()); | |
145 | Float_t cont1=copy->Integral(l1,l2); | |
146 | Int_t ll1=TMath::Max(bi2-3,1); | |
147 | Int_t ll2=TMath::Min(bi2+3,h->GetNbinsX()); | |
148 | Float_t cont2=copy->Integral(ll1,ll2); | |
149 | if(cont1>cont2){ | |
150 | binmin=l1; | |
151 | binmax=l2; | |
152 | npeaks=1; | |
153 | } | |
154 | if(cont2>cont1){ | |
155 | binmin=ll1; | |
156 | binmax=ll2; | |
157 | npeaks=1; | |
158 | } | |
159 | if(cont1==cont2){ | |
160 | binmin=l1; | |
161 | binmax=ll2; | |
162 | if(bi2-bi1==1) npeaks=1; | |
163 | else npeaks=2; | |
164 | } | |
165 | delete copy; | |
166 | } | |
167 | return npeaks; | |
168 | } | |
0c6af5c9 | 169 | //______________________________________________________________________ |
308c2f7c | 170 | AliESDVertex* AliITSVertexerZ::FindVertexForCurrentEvent(TTree *itsClusterTree){ |
d681bb2d | 171 | // Defines the AliESDVertex for the current event |
308c2f7c | 172 | VertexZFinder(itsClusterTree); |
6fd990e3 | 173 | Int_t ntrackl=0; |
174 | for(Int_t iteraz=0;iteraz<fMaxIter;iteraz++){ | |
175 | if(fCurrentVertex) ntrackl=fCurrentVertex->GetNContributors(); | |
176 | if(!fCurrentVertex || ntrackl==0 || ntrackl==-1){ | |
177 | Float_t diffPhiMaxOrig=fDiffPhiMax; | |
178 | fDiffPhiMax=GetPhiMaxIter(iteraz); | |
308c2f7c | 179 | VertexZFinder(itsClusterTree); |
6fd990e3 | 180 | fDiffPhiMax=diffPhiMaxOrig; |
181 | } | |
182 | } | |
308c2f7c | 183 | FindMultiplicity(itsClusterTree); |
6fd990e3 | 184 | return fCurrentVertex; |
185 | } | |
186 | ||
187 | //______________________________________________________________________ | |
308c2f7c | 188 | void AliITSVertexerZ::VertexZFinder(TTree *itsClusterTree){ |
6fd990e3 | 189 | // Defines the AliESDVertex for the current event |
0c6af5c9 | 190 | fCurrentVertex = 0; |
6b4d9537 | 191 | ResetVertex(); |
192 | ||
193 | if(!GetDetTypeRec())AliFatal("DetTypeRec pointer has not been set"); | |
0c6af5c9 | 194 | |
308c2f7c | 195 | TTree *tR = itsClusterTree; |
06a7cbee | 196 | fDetTypeRec->SetTreeAddressR(tR); |
0c6af5c9 | 197 | TClonesArray *itsRec = 0; |
27167524 | 198 | // lc1 and gc1 are local and global coordinates for layer 1 |
199 | Float_t lc1[3]; for(Int_t ii=0; ii<3; ii++) lc1[ii]=0.; | |
200 | Float_t gc1[3]; for(Int_t ii=0; ii<3; ii++) gc1[ii]=0.; | |
ecc64c3f | 201 | // lc2 and gc2 are local and global coordinates for layer 2 |
0c6af5c9 | 202 | Float_t lc2[3]; for(Int_t ii=0; ii<3; ii++) lc2[ii]=0.; |
203 | Float_t gc2[3]; for(Int_t ii=0; ii<3; ii++) gc2[ii]=0.; | |
204 | ||
06a7cbee | 205 | itsRec = fDetTypeRec->RecPoints(); |
2257f27e | 206 | TBranch *branch; |
00a7cc50 | 207 | branch = tR->GetBranch("ITSRecPoints"); |
0c6af5c9 | 208 | |
0c6af5c9 | 209 | Int_t nrpL1 = 0; |
210 | Int_t nrpL2 = 0; | |
27167524 | 211 | |
ecc64c3f | 212 | // By default fFirstL1=0 and fLastL1=79 |
0c6af5c9 | 213 | for(Int_t module= fFirstL1; module<=fLastL1;module++){ |
0c6af5c9 | 214 | branch->GetEvent(module); |
215 | nrpL1+= itsRec->GetEntries(); | |
06a7cbee | 216 | fDetTypeRec->ResetRecPoints(); |
0c6af5c9 | 217 | } |
ecc64c3f | 218 | //By default fFirstL2=80 and fLastL2=239 |
0c6af5c9 | 219 | for(Int_t module= fFirstL2; module<=fLastL2;module++){ |
220 | branch->GetEvent(module); | |
221 | nrpL2+= itsRec->GetEntries(); | |
06a7cbee | 222 | fDetTypeRec->ResetRecPoints(); |
0c6af5c9 | 223 | } |
0c6af5c9 | 224 | if(nrpL1 == 0 || nrpL2 == 0){ |
0c6af5c9 | 225 | ResetHistograms(); |
6fd990e3 | 226 | fCurrentVertex = new AliESDVertex(0.,5.3,-2); |
227 | return; | |
0c6af5c9 | 228 | } |
ecc64c3f | 229 | // Force a coarse bin size of 200 microns if the number of clusters on layer 2 |
230 | // is low | |
231 | if(nrpL2<fPPsetting[0])SetBinWidthCoarse(fPPsetting[1]); | |
ecc64c3f | 232 | // By default nbincoarse=(10+10)/0.01=2000 |
233 | Int_t nbincoarse = static_cast<Int_t>((fHighLim-fLowLim)/fStepCoarse); | |
ecc64c3f | 234 | if(fZCombc)delete fZCombc; |
235 | fZCombc = new TH1F("fZCombc","Z",nbincoarse,fLowLim,fLowLim+nbincoarse*fStepCoarse); | |
7299b7a8 | 236 | |
27167524 | 237 | /* Test the ffect of mutiple scatternig on error. Negligible |
7299b7a8 | 238 | // Multiple scattering |
239 | Float_t beta=1.,pmed=0.875; //pmed=875 MeV (for tracks with dphi<0.01 rad) | |
240 | Float_t beta2=beta*beta; | |
241 | Float_t p2=pmed*pmed; | |
242 | Float_t rBP=3; //Beam Pipe radius = 3cm | |
243 | Float_t dBP=0.08/35.3; // 800 um of Be | |
244 | Float_t dL1=0.01; //approx. 1% of radiation length | |
245 | Float_t theta2BP=14.1*14.1/(beta2*p2*1e6)*TMath::Abs(dBP); | |
246 | Float_t theta2L1=14.1*14.1/(beta2*p2*1e6)*TMath::Abs(dL1); | |
247 | */ | |
27167524 | 248 | Int_t maxdim=TMath::Min(nrpL1*nrpL2,50000); // temporary; to limit the size in PbPb |
f5f6da22 | 249 | static TClonesArray points("AliITSZPoint",maxdim); |
7299b7a8 | 250 | Int_t nopoints =0; |
27167524 | 251 | for(Int_t modul1= fFirstL1; modul1<=fLastL1;modul1++){ // Loop on modules of layer 1 |
8c42830a | 252 | if(!fUseModule[modul1]) continue; |
27167524 | 253 | UShort_t ladder=int(modul1/4)+1; // ladders are numbered starting from 1 |
254 | branch->GetEvent(modul1); | |
255 | Int_t nrecp1 = itsRec->GetEntries(); | |
f5f6da22 | 256 | static TClonesArray prpl1("AliITSRecPoint",nrecp1); |
257 | prpl1.SetOwner(); | |
27167524 | 258 | for(Int_t j=0;j<nrecp1;j++){ |
259 | AliITSRecPoint *recp = (AliITSRecPoint*)itsRec->At(j); | |
f5f6da22 | 260 | new(prpl1[j])AliITSRecPoint(*recp); |
27167524 | 261 | } |
06a7cbee | 262 | fDetTypeRec->ResetRecPoints(); |
27167524 | 263 | for(Int_t j1=0;j1<nrecp1;j1++){ |
f5f6da22 | 264 | AliITSRecPoint *recp = (AliITSRecPoint*)prpl1.At(j1); |
32e63e47 | 265 | /* |
27167524 | 266 | lc1[0]=recp->GetDetLocalX(); |
267 | lc1[2]=recp->GetDetLocalZ(); | |
268 | geom->LtoG(modul1,lc1,gc1); | |
269 | // Global coordinates of this recpoints | |
32e63e47 | 270 | */ |
271 | recp->GetGlobalXYZ(gc1); | |
308c2f7c | 272 | gc1[0]-=GetNominalPos()[0]; // Possible beam offset in the bending plane |
273 | gc1[1]-=GetNominalPos()[1]; // " " | |
27167524 | 274 | Float_t r1=TMath::Sqrt(gc1[0]*gc1[0]+gc1[1]*gc1[1]); |
275 | Float_t phi1 = TMath::ATan2(gc1[1],gc1[0]); | |
276 | if(phi1<0)phi1+=2*TMath::Pi(); | |
277 | Float_t zc1=gc1[2]; | |
278 | Float_t erz1=recp->GetSigmaZ2(); | |
279 | for(Int_t ladl2=0 ; ladl2<fLadOnLay2*2+1;ladl2++){ | |
280 | for(Int_t k=0;k<4;k++){ | |
281 | Int_t ladmod=fLadders[ladder-1]+ladl2; | |
32e63e47 | 282 | if(ladmod>AliITSgeomTGeo::GetNLadders(2)) ladmod=ladmod-AliITSgeomTGeo::GetNLadders(2); |
283 | Int_t modul2=AliITSgeomTGeo::GetModuleIndex(2,ladmod,k+1); | |
8c42830a | 284 | if(!fUseModule[modul2]) continue; |
27167524 | 285 | branch->GetEvent(modul2); |
286 | Int_t nrecp2 = itsRec->GetEntries(); | |
287 | for(Int_t j2=0;j2<nrecp2;j2++){ | |
288 | recp = (AliITSRecPoint*)itsRec->At(j2); | |
32e63e47 | 289 | /* |
27167524 | 290 | lc2[0]=recp->GetDetLocalX(); |
291 | lc2[2]=recp->GetDetLocalZ(); | |
292 | geom->LtoG(modul2,lc2,gc2); | |
32e63e47 | 293 | */ |
294 | recp->GetGlobalXYZ(gc2); | |
308c2f7c | 295 | gc2[0]-=GetNominalPos()[0]; |
296 | gc2[1]-=GetNominalPos()[1]; | |
27167524 | 297 | Float_t r2=TMath::Sqrt(gc2[0]*gc2[0]+gc2[1]*gc2[1]); |
298 | Float_t phi2 = TMath::ATan2(gc2[1],gc2[0]); | |
299 | if(phi2<0)phi2+=2*TMath::Pi(); | |
300 | Float_t zc2=gc2[2]; | |
301 | Float_t erz2=recp->GetSigmaZ2(); | |
302 | ||
303 | Float_t diff = TMath::Abs(phi2-phi1); | |
304 | if(diff>TMath::Pi())diff=2.*TMath::Pi()-diff; | |
305 | if(diff<fDiffPhiMax){ | |
306 | // Float_t tgth=(zc2[j]-zc1[i])/(r2-r1); // slope (used for multiple scattering) | |
307 | Float_t zr0=(r2*zc1-r1*zc2)/(r2-r1); //Z @ null radius | |
308 | Float_t ezr0q=(r2*r2*erz1+r1*r1*erz2)/(r2-r1)/(r2-r1); //error on Z @ null radius | |
309 | /* | |
310 | // Multiple scattering | |
7299b7a8 | 311 | ezr0q+=r1*r1*(1+tgth*tgth)*theta2L1/2; // multiple scattering in layer 1 |
312 | ezr0q+=rBP*rBP*(1+tgth*tgth)*theta2BP/2; // multiple scattering in beam pipe | |
313 | */ | |
f5f6da22 | 314 | if(nopoints<maxdim) new(points[nopoints++])AliITSZPoint(zr0,ezr0q); |
27167524 | 315 | fZCombc->Fill(zr0); |
316 | } | |
317 | } | |
06a7cbee | 318 | fDetTypeRec->ResetRecPoints(); |
27167524 | 319 | } |
0c6af5c9 | 320 | } |
321 | } | |
f5f6da22 | 322 | prpl1.Clear(); |
0c6af5c9 | 323 | } |
7299b7a8 | 324 | |
f5f6da22 | 325 | points.Sort(); |
7299b7a8 | 326 | |
6fd990e3 | 327 | Double_t contents = fZCombc->GetEntries()- fZCombc->GetBinContent(0)-fZCombc->GetBinContent(nbincoarse+1); |
328 | if(contents<1.){ | |
329 | // Warning("FindVertexForCurrentEvent","Insufficient number of rec. points\n"); | |
0c6af5c9 | 330 | ResetHistograms(); |
6fd990e3 | 331 | fCurrentVertex = new AliESDVertex(0.,5.3,-1); |
f5f6da22 | 332 | points.Clear(); |
6fd990e3 | 333 | return; |
0c6af5c9 | 334 | } |
ecc64c3f | 335 | |
336 | TH1F *hc = fZCombc; | |
ecc64c3f | 337 | |
ecc64c3f | 338 | |
8c42830a | 339 | if(hc->GetBinContent(hc->GetMaximumBin())<3)hc->Rebin(4); |
debb3dde | 340 | Int_t binmin,binmax; |
341 | Int_t nPeaks=GetPeakRegion(hc,binmin,binmax); | |
342 | if(nPeaks==2)AliWarning("2 peaks found"); | |
7299b7a8 | 343 | Float_t zm =0.; |
344 | Float_t ezm =0.; | |
345 | Float_t lim1 = hc->GetBinLowEdge(binmin); | |
346 | Float_t lim2 = hc->GetBinLowEdge(binmax)+hc->GetBinWidth(binmax); | |
347 | ||
348 | if(nPeaks ==1 && (lim2-lim1)<fWindowWidth){ | |
349 | Float_t c=(lim1+lim2)/2.; | |
350 | lim1=c-fWindowWidth/2.; | |
351 | lim2=c+fWindowWidth/2.; | |
ecc64c3f | 352 | } |
7299b7a8 | 353 | Int_t niter = 0, ncontr=0; |
354 | do { | |
355 | // symmetrization | |
356 | if(zm !=0.){ | |
357 | Float_t semilarg=TMath::Min((lim2-zm),(zm-lim1)); | |
358 | lim1=zm - semilarg; | |
359 | lim2=zm + semilarg; | |
0c6af5c9 | 360 | } |
7299b7a8 | 361 | |
362 | zm=0.; | |
363 | ezm=0.; | |
364 | ncontr=0; | |
f5f6da22 | 365 | for(Int_t i =0; i<points.GetEntries(); i++){ |
366 | AliITSZPoint* p=(AliITSZPoint*)points.UncheckedAt(i); | |
7299b7a8 | 367 | if(p->GetZ()>lim1 && p->GetZ()<lim2){ |
368 | Float_t deno = p->GetErrZ(); | |
369 | zm+=p->GetZ()/deno; | |
370 | ezm+=1./deno; | |
371 | ncontr++; | |
ecc64c3f | 372 | } |
373 | } | |
2b8b4286 | 374 | if(ezm>0) { |
375 | zm/=ezm; | |
376 | ezm=TMath::Sqrt(1./ezm); | |
377 | } | |
7299b7a8 | 378 | niter++; |
379 | } while(niter<10 && TMath::Abs((zm-lim1)-(lim2-zm))>fTolerance); | |
380 | fCurrentVertex = new AliESDVertex(zm,ezm,ncontr); | |
12e3ead8 | 381 | fCurrentVertex->SetTitle("vertexer: Z"); |
6b4d9537 | 382 | fNoVertices=1; |
f5f6da22 | 383 | points.Clear(); |
8c32ba44 | 384 | if(ncontr>fMinTrackletsForPilup){ |
385 | Float_t secPeakPos; | |
386 | Int_t ncontr2=FindSecondPeak(fZCombc,binmin,binmax,secPeakPos); | |
387 | if(ncontr2>=fMinTrackletsForPilup){ | |
388 | fIsPileup=kTRUE; | |
6b4d9537 | 389 | fNoVertices=2; |
8c32ba44 | 390 | fZpuv=secPeakPos; |
391 | fNTrpuv=ncontr2; | |
6b4d9537 | 392 | AliESDVertex secondVert(secPeakPos,0.1,ncontr2); |
393 | fVertArray = new AliESDVertex[2]; | |
394 | fVertArray[0]=(*fCurrentVertex); | |
395 | fVertArray[1]=secondVert; | |
8c32ba44 | 396 | } |
2c3a7cd0 | 397 | } |
6b4d9537 | 398 | if(fNoVertices==1){ |
399 | fVertArray = new AliESDVertex[1]; | |
400 | fVertArray[0]=(*fCurrentVertex); | |
401 | } | |
402 | ||
0c6af5c9 | 403 | ResetHistograms(); |
6fd990e3 | 404 | return; |
0c6af5c9 | 405 | } |
406 | ||
8c32ba44 | 407 | //_____________________________________________________________________ |
408 | Int_t AliITSVertexerZ::FindSecondPeak(TH1F* h, Int_t binmin,Int_t binmax, Float_t& secPeakPos){ | |
409 | for(Int_t i=binmin-1;i<=binmax+1;i++){ | |
410 | h->SetBinContent(i,0.); | |
411 | } | |
412 | Int_t secPeakBin=h->GetMaximumBin(); | |
413 | secPeakPos=h->GetBinCenter(secPeakBin); | |
70a3283c | 414 | Int_t secPeakCont=(Int_t)h->GetBinContent(secPeakBin); |
415 | secPeakCont+=(Int_t)h->GetBinContent(secPeakBin-1); | |
416 | secPeakCont+=(Int_t)h->GetBinContent(secPeakBin+1); | |
417 | secPeakCont+=(Int_t)h->GetBinContent(secPeakBin-2); | |
418 | secPeakCont+=(Int_t)h->GetBinContent(secPeakBin+2); | |
8c32ba44 | 419 | return secPeakCont; |
420 | } | |
421 | ||
0c6af5c9 | 422 | //_____________________________________________________________________ |
423 | void AliITSVertexerZ::ResetHistograms(){ | |
424 | // delete TH1 data members | |
425 | if(fZCombc)delete fZCombc; | |
0c6af5c9 | 426 | fZCombc = 0; |
0c6af5c9 | 427 | } |
428 | ||
0c6af5c9 | 429 | //________________________________________________________ |
430 | void AliITSVertexerZ::PrintStatus() const { | |
431 | // Print current status | |
432 | cout <<"=======================================================\n"; | |
433 | cout <<" First layer first and last modules: "<<fFirstL1<<", "; | |
434 | cout <<fLastL1<<endl; | |
435 | cout <<" Second layer first and last modules: "<<fFirstL2<<", "; | |
436 | cout <<fLastL2<<endl; | |
437 | cout <<" Max Phi difference: "<<fDiffPhiMax<<endl; | |
438 | cout <<"Limits for Z histograms: "<<fLowLim<<"; "<<fHighLim<<endl; | |
7299b7a8 | 439 | cout <<"Bin sizes for coarse z histos "<<fStepCoarse<<endl; |
0c6af5c9 | 440 | cout <<" Current Z "<<fZFound<<"; Z sig "<<fZsig<<endl; |
ecc64c3f | 441 | if(fZCombc){ |
442 | cout<<"fZCombc exists - entries="<<fZCombc->GetEntries()<<endl; | |
443 | } | |
444 | else{ | |
445 | cout<<"fZCombc does not exist\n"; | |
446 | } | |
0c6af5c9 | 447 | |
448 | cout <<"=======================================================\n"; | |
449 | } | |
450 |