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1dfe075f | 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 | //_________________________________________________________________________ | |
16 | // An analysis task to check the FMD data in simulated data | |
17 | // | |
18 | //*-- Hans Hjersing Dalsgaard | |
19 | ////////////////////////////////////////////////////////////////////////////// | |
20 | ||
21 | #include <TChain.h> | |
22 | #include <TFile.h> | |
23 | #include <TCanvas.h> | |
24 | #include <TH1D.h> | |
25 | #include <TF1.h> | |
26 | ||
27 | #include "AliFMDQATask.h" | |
28 | #include "AliESD.h" | |
29 | #include "AliLog.h" | |
30 | ||
31 | //______________________________________________________________________________ | |
32 | AliFMDQATask::AliFMDQATask(const char *name) : | |
33 | AliAnalysisTask(name,""), | |
34 | fChain(0), | |
35 | fESD(0), | |
36 | fhFMD1i(0), | |
37 | fhFMD2i(0), | |
38 | fhFMD2o(0), | |
39 | fhFMD3i(0), | |
40 | fhFMD3o(0) | |
41 | { | |
42 | // Constructor. | |
43 | // Input slot #0 works with an Ntuple | |
44 | DefineInput(0, TChain::Class()); | |
45 | // Output slot #0 writes into a TH1 container | |
46 | DefineOutput(0, TObjArray::Class()) ; | |
47 | } | |
48 | ||
49 | //______________________________________________________________________________ | |
50 | AliFMDQATask::~AliFMDQATask() | |
51 | { | |
52 | // dtor | |
53 | ||
54 | fOutputContainer->Clear() ; | |
55 | delete fOutputContainer ; | |
56 | ||
57 | delete fhFMD1i ; | |
58 | delete fhFMD2i ; | |
59 | delete fhFMD2o ; | |
60 | delete fhFMD3i ; | |
61 | delete fhFMD3o ; | |
62 | ||
63 | } | |
64 | ||
65 | //______________________________________________________________________________ | |
66 | void AliFMDQATask::Init(const Option_t*) | |
67 | { | |
68 | // Initialisation of branch container and histograms | |
69 | ||
70 | AliInfo(Form("*** Initialization of %s", GetName())) ; | |
71 | ||
72 | // Get input data | |
73 | fChain = dynamic_cast<TChain *>(GetInputData(0)) ; | |
74 | if (!fChain) { | |
75 | AliError(Form("Input 0 for %s not found\n", GetName())); | |
76 | return ; | |
77 | } | |
78 | ||
79 | if (!fESD) { | |
80 | // One should first check if the branch address was taken by some other task | |
81 | char ** address = (char **)GetBranchAddress(0, "ESD") ; | |
82 | if (address) | |
83 | fESD = (AliESD *)(*address) ; | |
84 | if (!fESD) | |
85 | fChain->SetBranchAddress("ESD", &fESD) ; | |
86 | } | |
87 | // The output objects will be written to | |
88 | TDirectory * cdir = gDirectory ; | |
89 | // Open a file for output #0 | |
90 | char outputName[1024] ; | |
91 | sprintf(outputName, "%s.root", GetName() ) ; | |
92 | OpenFile(0, outputName , "RECREATE") ; | |
93 | if (cdir) | |
94 | cdir->cd() ; | |
95 | ||
96 | // create histograms | |
97 | fhFMD1i = new TH1D("FMD1i", "FMD1i", 100, -0.5, 3); | |
98 | fhFMD2i = new TH1D("FMD2i", "FMD2i", 100, -0.5, 3); | |
99 | fhFMD2o = new TH1D("FMD2o", "FMD2o", 100, -0.5, 3); | |
100 | fhFMD3i = new TH1D("FMD3i", "FMD3i", 100, -0.5, 3); | |
101 | fhFMD3o = new TH1D("FMD3o", "FMD3o", 100, -0.5, 3); | |
102 | ||
103 | // create output container | |
104 | ||
105 | fOutputContainer = new TObjArray(5) ; | |
106 | fOutputContainer->SetName(GetName()) ; | |
107 | ||
108 | fOutputContainer->AddAt(fhFMD1i, 0) ; | |
109 | fOutputContainer->AddAt(fhFMD2i, 1) ; | |
110 | fOutputContainer->AddAt(fhFMD2o, 2) ; | |
111 | fOutputContainer->AddAt(fhFMD3i, 3) ; | |
112 | fOutputContainer->AddAt(fhFMD3o, 4) ; | |
113 | } | |
114 | ||
115 | //______________________________________________________________________________ | |
116 | void AliFMDQATask::Exec(Option_t *) | |
117 | { | |
118 | // Processing of one event | |
119 | ||
120 | Long64_t entry = fChain->GetReadEntry() ; | |
121 | ||
122 | if (!fESD) { | |
123 | AliError("fESD is not connected to the input!") ; | |
124 | return ; | |
125 | } | |
126 | ||
583d7b2e | 127 | TFile * currentFile = (dynamic_cast<TChain *>(fChain))->GetFile() ; |
1dfe075f | 128 | if ( !((entry-1)%100) ) |
583d7b2e | 129 | AliInfo(Form("%s ----> Processing event # %lld", currentFile->GetName(), entry)) ; |
130 | ||
1dfe075f | 131 | // ************************ FMD ************************************* |
583d7b2e | 132 | |
1dfe075f | 133 | AliESDFMD * fmd = fESD->GetFMDData() ; |
583d7b2e | 134 | |
135 | fmd->CheckNeedUShort(currentFile); | |
1dfe075f | 136 | |
137 | Int_t nFMD1 = 0, nFMD2i = 0, nFMD2o = 0, nFMD3i = 0, nFMD3o = 0 ; | |
138 | ||
139 | UShort_t detector = 1 ; | |
140 | for(detector = 1 ; detector <= fmd->MaxDetectors() ; detector++) { | |
141 | Char_t ring = 'O' ; | |
142 | UShort_t sector ; | |
143 | for(sector = 0 ;sector < fmd->MaxSectors() ; sector++) { | |
144 | UShort_t strip ; | |
145 | for(strip = 0 ; strip < fmd->MaxStrips(); strip++) { | |
146 | if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult) | |
147 | RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip)) ; | |
148 | if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 ) | |
149 | nFMD2o++ ; | |
150 | if( (fmd->Multiplicity(detector, ring, sector, strip)==AliESDFMD::kInvalidMult) && detector == 3 ) | |
151 | nFMD3o++ ; | |
152 | } | |
153 | } | |
154 | ring='I'; | |
155 | for(sector = 0; sector < fmd->MaxSectors(); sector++) { | |
156 | UShort_t strip ; | |
157 | for(strip = 0 ; strip < fmd->MaxStrips() ; strip++) { | |
158 | if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult) | |
159 | RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip)); | |
160 | if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 1 ) | |
161 | nFMD1++; | |
162 | if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 ) | |
163 | nFMD2i++; | |
164 | if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 3 ) | |
165 | nFMD3i++; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | if(nFMD1>100+10240) | |
171 | AliWarning(Form("number of missing strips in FMD1i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ; | |
172 | if(nFMD2i>100+10240) | |
173 | AliWarning(Form("number of missing strips in FMD2i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ; | |
174 | if(nFMD2o>100+10240) | |
175 | AliWarning(Form("number of missing strips in FMD2o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ; | |
176 | if(nFMD3i>100+10240) | |
177 | AliWarning(Form("number of missing strips in FMD3i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ; | |
178 | if(nFMD3o>100+10240) | |
179 | AliWarning(Form("number of missing strips in FMD3o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ; | |
180 | ||
181 | PostData(0, fOutputContainer); | |
182 | } | |
183 | ||
184 | //______________________________________________________________________________ | |
185 | void AliFMDQATask::Terminate(Option_t *) | |
186 | { | |
187 | // Processing when the event loop is ended | |
188 | ||
189 | TCanvas * cFMD1 = new TCanvas("cFMD1", "FMD ESD Test", 400, 10, 600, 700); | |
190 | cFMD1->Divide(3, 2) ; | |
191 | ||
192 | cFMD1->cd(1) ;; | |
193 | fhFMD1i->Draw() ; | |
194 | ||
195 | cFMD1->cd(2) ;; | |
196 | fhFMD2i->Draw() ; | |
197 | ||
198 | cFMD1->cd(3) ;; | |
199 | fhFMD2o->Draw() ; | |
200 | ||
201 | cFMD1->cd(4) ;; | |
202 | fhFMD3i->Draw() ; | |
203 | ||
204 | cFMD1->cd(5) ;; | |
205 | fhFMD3o->Draw() ; | |
206 | ||
207 | cFMD1->Print("FMD.eps") ; | |
208 | ||
209 | Bool_t rv1i = TestHisto(fhFMD1i) ; | |
210 | Bool_t rv2i = TestHisto(fhFMD2i) ; | |
211 | Bool_t rv2o = TestHisto(fhFMD2o) ; | |
212 | Bool_t rv3i = TestHisto(fhFMD2i) ; | |
213 | Bool_t rv3o = TestHisto(fhFMD2o) ; | |
214 | ||
215 | if ( !(rv1i * rv2i * rv2o * rv3i * rv3o) ) | |
216 | AliWarning("Possible problem in file !!! Check output!") ; | |
217 | ||
218 | ||
219 | ||
220 | char line[1024] ; | |
221 | sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ; | |
222 | gROOT->ProcessLine(line); | |
223 | sprintf(line, ".!rm -fR *.eps"); | |
224 | gROOT->ProcessLine(line); | |
225 | ||
226 | AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ; | |
227 | } | |
228 | ||
229 | //______________________________________________________________________________ | |
230 | void AliFMDQATask::RingSelector(const UShort_t detector, const Char_t ring, const Float_t mult) const | |
231 | { | |
232 | // fill the histograms for each ring in each detector layer | |
233 | ||
234 | if(ring == 'I' && detector == 1) | |
235 | fhFMD1i->Fill(mult) ; | |
236 | if(ring == 'I' && detector == 2) | |
237 | fhFMD2i->Fill(mult) ; | |
238 | if(ring == 'O' && detector == 2) | |
239 | fhFMD2o ->Fill(mult) ; | |
240 | if(ring == 'I' && detector == 3) | |
241 | fhFMD3i ->Fill(mult) ; | |
242 | if(ring == 'O' && detector == 3) | |
243 | fhFMD3o ->Fill(mult) ; | |
244 | } | |
245 | //______________________________________________________________________________ | |
246 | Bool_t AliFMDQATask::TestHisto(TH1D * hTest) const | |
247 | { | |
248 | // analyses the histogram with a Landau function | |
249 | ||
250 | Float_t chiMax = 3, chiLow=0.5 ; | |
251 | Float_t chiSq ; | |
252 | Float_t mpv ; | |
253 | Int_t ndf ; | |
254 | ||
255 | FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow); | |
256 | ||
257 | if( (chiSq > chiMax || chiSq < chiLow) || mpv < 0.6 || mpv > 1 ) { | |
258 | hTest->Rebin(2) ; | |
259 | FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow) ; | |
260 | } | |
261 | ||
262 | Bool_t ret = kFALSE ; | |
263 | Char_t * test = "not OK"; | |
264 | Char_t * test2 = "not OK"; | |
265 | ||
266 | if(chiSq < chiMax && chiSq > chiLow) | |
267 | test = "OK" ; | |
268 | if(mpv > 0.6 && mpv < 1) | |
269 | test2 = "OK" ; | |
270 | ||
271 | if(test == "OK" && test2 == "OK") | |
272 | ret = kTRUE; | |
273 | ||
274 | if(test == "not OK" || test2 == "not OK") { | |
275 | AliWarning("Bad fit results") ; | |
276 | printf("Detector : %s\n", hTest->GetName()) ; | |
277 | printf("Landau fit Chi Square / NDF = %f / %d which is %s\n", chiSq*ndf, ndf, test) ; | |
278 | printf("Landau fit MPV is: %f which is %s\n", mpv, test2) ; | |
279 | } | |
280 | return ret; | |
281 | } | |
282 | //______________________________________________________________________________ | |
283 | void AliFMDQATask::FitAll(TH1D* hTest, Float_t &chiSq, Int_t &ndf, Float_t &mpv, Float_t chiMax, Float_t chiLow ) const | |
284 | { | |
285 | // fit a histogram with a Landau distribution and returns chi square | |
286 | ||
287 | Float_t fitMax = hTest->GetXaxis()->GetXmax() ; | |
288 | ||
289 | TH1D hTmp = *hTest ; | |
290 | hTmp.SetAxisRange(0.4,fitMax) ; | |
291 | Int_t maxBin = hTmp.GetMaximumBin(); | |
292 | Float_t max = hTmp.GetBinCenter(maxBin); | |
293 | ||
294 | hTest->Fit("landau", "QOI", "", max-0.3, fitMax) ; | |
295 | TF1* fitfunc = hTest->GetFunction("landau") ; | |
296 | chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ; | |
297 | mpv = fitfunc->GetParameter(1) ; | |
298 | ndf = fitfunc->GetNDF() ; | |
299 | ||
300 | if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) { | |
301 | hTest->Fit("landau", "QOI", "", max-0.2, fitMax) ; | |
302 | fitfunc = hTest->GetFunction("landau") ; | |
303 | chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ; | |
304 | mpv = fitfunc->GetParameter(1) ; | |
305 | ndf = fitfunc->GetNDF() ; | |
306 | } | |
307 | if( ( chiSq >chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) { | |
308 | hTest->Fit("landau", "QOI", "", max-0.1, fitMax) ; | |
309 | fitfunc = hTest->GetFunction("landau") ; | |
310 | chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ; | |
311 | mpv = fitfunc->GetParameter(1) ; | |
312 | ndf = fitfunc->GetNDF() ; | |
313 | } | |
314 | if( ( chiSq > chiMax || chiSq <chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) { | |
315 | hTest->Fit("landau", "QOI", "", max, fitMax) ; | |
316 | fitfunc = hTest->GetFunction("landau") ; | |
317 | chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ; | |
318 | mpv = fitfunc->GetParameter(1) ; | |
319 | ndf = fitfunc->GetNDF(); | |
320 | } | |
321 | if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 ||mpv > 1 ) ) { | |
322 | hTest->Fit("landau", "QOI", "", max+0.1, fitMax) ; | |
323 | fitfunc = hTest->GetFunction("landau") ; | |
324 | chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ; | |
325 | mpv = fitfunc->GetParameter(1) ; | |
326 | ndf = fitfunc->GetNDF() ; | |
327 | } | |
328 | } |