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563113d0 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | **************************************************************************/ | |
15 | // Cut on the Event at reconstructed level: for the moment | |
16 | // the requirements on the number of charged tracks and on | |
17 | // the vertex position and resolution are implemented | |
18 | // The argument of IsSelected member function (passed object) is cast into | |
19 | // an AliESDEvent. In the future may be modified to use AliVEvent interface | |
20 | // and include more cut variables. | |
21 | // The class derives from AliCFCutBase | |
22 | // Author:S.Arcelli Silvia.Arcelli@cern.ch | |
23 | // | |
24 | // | |
89dfdd61 | 25 | #include "TH1F.h" |
26 | #include "TList.h" | |
563113d0 | 27 | #include "TBits.h" |
28 | #include "AliLog.h" | |
29 | #include "AliESDEvent.h" | |
30 | #include "AliESDVertex.h" | |
31 | #include "AliCFEventRecCuts.h" | |
32 | ClassImp(AliCFEventRecCuts) | |
33 | //____________________________________________________________________ | |
34 | AliCFEventRecCuts::AliCFEventRecCuts() : | |
35 | AliCFCutBase(), | |
36 | fNTracksMin(-1), | |
37 | fNTracksMax(1000000), | |
38 | fRequireVtxCuts(kFALSE), | |
39 | fVtxXMax(1.e99), | |
40 | fVtxYMax(1.e99), | |
41 | fVtxZMax(1.e99), | |
42 | fVtxXMin(-1.e99), | |
43 | fVtxYMin(-1.e99), | |
44 | fVtxZMin(-1.e99), | |
45 | fVtxXResMax(1.e99), | |
46 | fVtxYResMax(1.e99), | |
47 | fVtxZResMax(1.e99), | |
107a3100 | 48 | fBitMap(0x0) |
563113d0 | 49 | { |
50 | // | |
51 | //ctor | |
52 | // | |
53 | fBitMap=new TBits(0); | |
89dfdd61 | 54 | Initialise(); |
563113d0 | 55 | } |
89dfdd61 | 56 | |
563113d0 | 57 | //____________________________________________________________________ |
58 | AliCFEventRecCuts::AliCFEventRecCuts(Char_t* name, Char_t* title) : | |
59 | AliCFCutBase(name,title), | |
60 | fNTracksMin(-1), | |
61 | fNTracksMax(1000000), | |
62 | fRequireVtxCuts(kFALSE), | |
63 | fVtxXMax(1.e99), | |
64 | fVtxYMax(1.e99), | |
65 | fVtxZMax(1.e99), | |
66 | fVtxXMin(-1.e99), | |
67 | fVtxYMin(-1.e99), | |
68 | fVtxZMin(-1.e99), | |
69 | fVtxXResMax(1.e99), | |
70 | fVtxYResMax(1.e99), | |
71 | fVtxZResMax(1.e99), | |
107a3100 | 72 | fBitMap(0x0) |
563113d0 | 73 | { |
74 | // | |
75 | //ctor | |
76 | // | |
77 | fBitMap=new TBits(0); | |
89dfdd61 | 78 | Initialise(); |
563113d0 | 79 | } |
89dfdd61 | 80 | |
563113d0 | 81 | //____________________________________________________________________ |
82 | AliCFEventRecCuts::AliCFEventRecCuts(const AliCFEventRecCuts& c) : | |
83 | AliCFCutBase(c), | |
84 | fNTracksMin(c.fNTracksMin), | |
85 | fNTracksMax(c.fNTracksMax), | |
86 | fRequireVtxCuts(c.fRequireVtxCuts), | |
87 | fVtxXMax(c.fVtxXMax), | |
88 | fVtxYMax(c.fVtxYMax), | |
89 | fVtxZMax(c.fVtxZMax), | |
90 | fVtxXMin(c.fVtxXMin), | |
91 | fVtxYMin(c.fVtxYMin), | |
92 | fVtxZMin(c.fVtxZMin), | |
93 | fVtxXResMax(c.fVtxXResMax), | |
94 | fVtxYResMax(c.fVtxYResMax), | |
95 | fVtxZResMax(c.fVtxZResMax), | |
107a3100 | 96 | fBitMap(c.fBitMap) |
563113d0 | 97 | { |
98 | // | |
99 | //copy constructor | |
100 | // | |
89dfdd61 | 101 | for (Int_t i=0; i<c.kNCuts; i++){ |
102 | for (Int_t j=0; j<c.kNStepQA; j++){ | |
103 | if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone(); | |
104 | } | |
105 | } | |
106 | ||
563113d0 | 107 | } |
89dfdd61 | 108 | |
563113d0 | 109 | //____________________________________________________________________ |
110 | AliCFEventRecCuts::~AliCFEventRecCuts() { | |
111 | // | |
112 | //dtor | |
113 | // | |
114 | ||
89dfdd61 | 115 | for (Int_t i=0; i<kNCuts; i++){ |
116 | for (Int_t j=0; j<kNStepQA; j++){ | |
117 | if(fhQA[i][j]) delete fhQA[i][j]; | |
118 | } | |
119 | } | |
120 | ||
563113d0 | 121 | if(fBitMap)delete fBitMap; |
89dfdd61 | 122 | |
123 | } | |
89dfdd61 | 124 | //_____________________________________________________________________________ |
125 | void AliCFEventRecCuts::Initialise() | |
126 | { | |
127 | ||
128 | // | |
129 | //initialization | |
130 | // | |
131 | ||
132 | // | |
133 | // sets pointers to histos to zero | |
134 | // | |
135 | ||
136 | for(Int_t i=0; i<kNCuts; i++){ | |
137 | for(Int_t j =0; j<kNStepQA; j++){ | |
138 | fhQA[i][j]=0x0; | |
139 | } | |
140 | } | |
563113d0 | 141 | } |
89dfdd61 | 142 | |
563113d0 | 143 | //____________________________________________________________________ |
144 | AliCFEventRecCuts& AliCFEventRecCuts::operator=(const AliCFEventRecCuts& c) | |
145 | { | |
146 | // | |
147 | // Assignment operator | |
148 | // | |
149 | if (this != &c) { | |
150 | AliCFCutBase::operator=(c) ; | |
151 | fNTracksMin=c.fNTracksMin; | |
152 | fNTracksMax=c.fNTracksMax; | |
153 | fRequireVtxCuts=c.fRequireVtxCuts; | |
154 | fVtxXMax=c.fVtxXMax; | |
155 | fVtxYMax=c.fVtxYMax; | |
156 | fVtxZMax=c.fVtxZMax; | |
157 | fVtxXMin=c.fVtxXMin; | |
158 | fVtxYMin=c.fVtxYMin; | |
159 | fVtxZMin=c.fVtxZMin; | |
160 | fVtxXResMax=c.fVtxXResMax; | |
161 | fVtxYResMax=c.fVtxYResMax; | |
162 | fVtxZResMax=c.fVtxZResMax; | |
163 | fBitMap=c.fBitMap; | |
89dfdd61 | 164 | } |
165 | ||
166 | for (Int_t i=0; i<c.kNCuts; i++){ | |
167 | for (Int_t j=0; j<c.kNStepQA; j++){ | |
168 | if(c.fhQA[i][j]) fhQA[i][j] = (TH1F*)c.fhQA[i][j]->Clone(); | |
169 | } | |
563113d0 | 170 | } |
89dfdd61 | 171 | |
172 | ||
563113d0 | 173 | return *this ; |
174 | } | |
89dfdd61 | 175 | |
563113d0 | 176 | //____________________________________________________________________ |
177 | Bool_t AliCFEventRecCuts::IsSelected(TObject* obj) { | |
178 | // | |
179 | //Check if the requested cuts are passed | |
180 | // | |
181 | ||
563113d0 | 182 | |
107a3100 | 183 | SelectionBitMap(obj); |
184 | ||
185 | if (fIsQAOn) FillHistograms(obj,0); | |
563113d0 | 186 | Bool_t isSelected = kTRUE; |
187 | ||
107a3100 | 188 | for (UInt_t icut=0; icut<fBitMap->GetNbits();icut++) |
189 | if(!fBitMap->TestBitNumber(icut)) isSelected = kFALSE; | |
563113d0 | 190 | |
107a3100 | 191 | if (!isSelected) return kFALSE ; |
192 | if (fIsQAOn) FillHistograms(obj,1); | |
193 | return kTRUE; | |
563113d0 | 194 | |
195 | } | |
563113d0 | 196 | //____________________________________________________________________ |
107a3100 | 197 | void AliCFEventRecCuts::SelectionBitMap(TObject* obj) { |
563113d0 | 198 | // |
199 | //cut on the number of charged tracks and on the event vertex. | |
200 | //so far specific to AliESDEvents | |
201 | // | |
202 | ||
203 | //Check if the requested cuts are passed and return a bitmap | |
204 | for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE); | |
205 | AliESDEvent* esd = dynamic_cast<AliESDEvent *>(obj); | |
107a3100 | 206 | if ( !esd ) return; |
563113d0 | 207 | |
208 | //now start checking the cuts, | |
209 | //first assume the event will be accepted: | |
210 | for(Int_t j=0;j<kNCuts;j++)fBitMap->SetBitNumber(j,kTRUE); | |
211 | ||
212 | //Number of charged tracks: | |
213 | Int_t nTracks = esd->GetNumberOfTracks(); | |
214 | if(nTracks<fNTracksMin || nTracks>fNTracksMax) | |
215 | fBitMap->SetBitNumber(0,kFALSE); | |
216 | ||
217 | if(fRequireVtxCuts){ | |
218 | const AliESDVertex* vtxESD = esd->GetVertex(); | |
219 | if(!vtxESD){ | |
220 | for(Int_t j=1;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE); | |
107a3100 | 221 | return; |
563113d0 | 222 | } |
223 | // Require the vertex to have been reconstructed successfully | |
224 | if (strcmp(vtxESD->GetName(), "default")==0){ | |
225 | AliWarning(Form(" No reconstructed vertex found, skip event")); | |
226 | for(Int_t j=1;j<kNCuts;j++)fBitMap->SetBitNumber(j,kFALSE); | |
107a3100 | 227 | return; |
563113d0 | 228 | } |
229 | // Pick up the position and uncertainties | |
230 | ||
231 | Double_t vtxPos[3]; | |
232 | vtxPos[0] = vtxESD->GetXv(); | |
233 | vtxPos[1] = vtxESD->GetYv(); | |
234 | vtxPos[2] = vtxESD->GetZv(); | |
235 | ||
236 | Double_t vtxRes[3]; | |
237 | vtxRes[0] = vtxESD->GetXRes(); | |
238 | vtxRes[1] = vtxESD->GetYRes(); | |
239 | vtxRes[2] = vtxESD->GetZRes(); | |
240 | ||
241 | // Apply the cut | |
242 | ||
243 | if (vtxPos[0]>fVtxXMax || vtxPos[0]<fVtxXMin) | |
244 | fBitMap->SetBitNumber(1,kFALSE); | |
245 | if (vtxPos[1]>fVtxYMax || vtxPos[1]<fVtxYMin) | |
246 | fBitMap->SetBitNumber(2,kFALSE); | |
247 | if (vtxPos[2]>fVtxZMax || vtxPos[2]<fVtxZMin) | |
248 | fBitMap->SetBitNumber(3,kFALSE); | |
249 | if (vtxRes[0]==0 || vtxRes[0]>fVtxXResMax) | |
250 | fBitMap->SetBitNumber(4,kFALSE); | |
251 | if (vtxRes[1]==0 || vtxRes[1]>fVtxYResMax) | |
252 | fBitMap->SetBitNumber(5,kFALSE); | |
253 | if (vtxRes[2]==0 || vtxRes[2]>fVtxZResMax) | |
254 | fBitMap->SetBitNumber(6,kFALSE); | |
255 | } | |
107a3100 | 256 | return; |
563113d0 | 257 | } |
89dfdd61 | 258 | |
259 | //_____________________________________________________________________________ | |
260 | void AliCFEventRecCuts::FillHistograms(TObject* obj, Bool_t b) | |
261 | { | |
262 | // | |
263 | // fill the QA histograms | |
264 | // | |
265 | ||
266 | if(!fIsQAOn) return; | |
267 | // cast TObject into VParticle | |
268 | AliESDEvent* esd = dynamic_cast<AliESDEvent *>(obj); | |
269 | if (!esd ) return ; | |
270 | ||
271 | // index = 0: fill histograms before cuts | |
272 | // index = 1: fill histograms after cuts | |
273 | Int_t index = -1; | |
274 | index = ((b) ? 1 : 0); | |
275 | ||
276 | ||
277 | //number of charged tracks: | |
278 | Int_t nTracks = esd->GetNumberOfTracks(); | |
279 | fhQA[kNTracks][index]->Fill(nTracks); | |
280 | ||
281 | //look at vertex parameters: | |
282 | const AliESDVertex* vtxESD = esd->GetVertex(); | |
283 | if(!vtxESD)return; | |
284 | // Require the vertex to have been reconstructed successfully | |
285 | if (strcmp(vtxESD->GetName(), "default")==0)return; | |
286 | // vertex position and uncertainties | |
287 | fhQA[kVtxPosX][index]->Fill(vtxESD->GetXv()); | |
288 | fhQA[kVtxPosY][index]->Fill(vtxESD->GetYv()); | |
289 | fhQA[kVtxPosZ][index]->Fill(vtxESD->GetZv()); | |
290 | fhQA[kVtxResX][index]->Fill(vtxESD->GetXRes()); | |
291 | fhQA[kVtxResY][index]->Fill(vtxESD->GetYRes()); | |
292 | fhQA[kVtxResZ][index]->Fill(vtxESD->GetZRes()); | |
293 | ||
294 | } | |
295 | ||
107a3100 | 296 | //____________________________________________________________________ |
89dfdd61 | 297 | void AliCFEventRecCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t *bins) |
298 | { | |
299 | // | |
107a3100 | 300 | //setting x-axis bin limits of QA histogram fhQA[index] |
301 | // | |
89dfdd61 | 302 | |
107a3100 | 303 | for(Int_t i=0;i<kNStepQA;i++){ |
304 | if(!fhQA[index][i]){AliWarning("non-existing histogram!"); | |
305 | return; | |
306 | } | |
307 | fhQA[index][i]->GetXaxis()->Set(nbins,bins); | |
89dfdd61 | 308 | } |
89dfdd61 | 309 | } |
107a3100 | 310 | //____________________________________________________________________ |
89dfdd61 | 311 | void AliCFEventRecCuts::SetHistogramBins(Int_t index, Int_t nbins, Double_t xmin, Double_t xmax) |
312 | { | |
313 | // | |
107a3100 | 314 | //setting x-axis bins and range of QA histogram fhQA[index] |
315 | // | |
316 | ||
317 | for(Int_t i=0;i<kNStepQA;i++){ | |
318 | if(!fhQA[index][i]){AliWarning("non-existing histogram!"); | |
319 | return; | |
320 | } | |
321 | fhQA[index][i]->GetXaxis()->Set(nbins,xmin,xmax); | |
89dfdd61 | 322 | } |
323 | } | |
324 | ||
325 | //_____________________________________________________________________________ | |
326 | void AliCFEventRecCuts::DefineHistograms() { | |
327 | // | |
328 | // histograms for cut variables | |
329 | // | |
330 | Int_t color = 2; | |
331 | ||
332 | if(!fIsQAOn) { | |
333 | AliInfo(Form("No QA histos requested, Please first set the QA flag on!")); | |
334 | return; | |
335 | } | |
336 | ||
337 | // book QA histograms | |
338 | ||
339 | Char_t str[256]; | |
340 | for (Int_t i=0; i<kNStepQA; i++) { | |
341 | if (i==0) sprintf(str," "); | |
342 | else sprintf(str,"_cut"); | |
343 | ||
107a3100 | 344 | fhQA[kNTracks][i] = new TH1F(Form("%s_NTracks%s",GetName(),str), "",501,-0.5,500.5); |
345 | fhQA[kVtxPosX][i] = new TH1F(Form("%s_Vtx_Pos_X%s",GetName(),str), "",100,-5.,5.); | |
346 | fhQA[kVtxPosY][i] = new TH1F(Form("%s_Vtx_Pos_Y%s",GetName(),str), "",100,-5.,5.); | |
347 | fhQA[kVtxPosZ][i] = new TH1F(Form("%s_Vtx_Pos_Z%s",GetName(),str), "",200,-50.,50.); | |
89dfdd61 | 348 | |
107a3100 | 349 | fhQA[kVtxResX][i] = new TH1F(Form("%s_Vtx_Res_X%s",GetName(),str), "",100,-1.,1.); |
350 | fhQA[kVtxResY][i] = new TH1F(Form("%s_Vtx_Res_Y%s",GetName(),str), "",100,-1.,1.); | |
351 | fhQA[kVtxResZ][i] = new TH1F(Form("%s_Vtx_Res_Z%s",GetName(),str), "",100,-1.,1.); | |
89dfdd61 | 352 | |
353 | fhQA[kNTracks][i] ->SetXTitle("Number of ESD tracks"); | |
354 | fhQA[kVtxPosX][i] ->SetXTitle("Vertex Position X (cm)"); | |
355 | fhQA[kVtxPosY][i] ->SetXTitle("Vertex Position Y (cm)"); | |
356 | fhQA[kVtxPosZ][i] ->SetXTitle("Vertex Position Z (cm)"); | |
357 | fhQA[kVtxResX][i] ->SetXTitle("Vertex Resolution X (cm)"); | |
358 | fhQA[kVtxResY][i] ->SetXTitle("Vertex Resolution Y (cm)"); | |
359 | fhQA[kVtxResZ][i] ->SetXTitle("Vertex Resolution Z (cm)"); | |
360 | ||
361 | } | |
362 | ||
363 | for(Int_t i=0; i<kNCuts; i++) fhQA[i][1]->SetLineColor(color); | |
364 | ||
365 | } | |
366 | ||
367 | //_____________________________________________________________________________ | |
107a3100 | 368 | void AliCFEventRecCuts::AddQAHistograms(TList *qaList) { |
89dfdd61 | 369 | // |
370 | // saves the histograms in a TList | |
371 | // | |
107a3100 | 372 | |
373 | DefineHistograms(); | |
89dfdd61 | 374 | |
375 | for (Int_t j=0; j<kNStepQA; j++) { | |
376 | for(Int_t i=0; i<kNCuts; i++) | |
107a3100 | 377 | qaList->Add(fhQA[i][j]); |
89dfdd61 | 378 | } |
379 | } |