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[u/mrichter/AliRoot.git] / ESDCheck / AliFMDQATask.cxx
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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 **************************************************************************/
0b28fd57 15
16/* $Id$ */
17
1dfe075f 18//_________________________________________________________________________
19// An analysis task to check the FMD data in simulated data
20//
21//*-- Hans Hjersing Dalsgaard
22//////////////////////////////////////////////////////////////////////////////
23
0b28fd57 24#include <TCanvas.h>
1dfe075f 25#include <TChain.h>
0b28fd57 26#include <TF1.h>
1dfe075f 27#include <TFile.h>
1dfe075f 28#include <TH1D.h>
0b28fd57 29#include <TROOT.h>
1f588058 30#include <TString.h>
1dfe075f 31
32#include "AliFMDQATask.h"
33#include "AliESD.h"
34#include "AliLog.h"
35
36//______________________________________________________________________________
37AliFMDQATask::AliFMDQATask(const char *name) :
38 AliAnalysisTask(name,""),
39 fChain(0),
40 fESD(0),
41 fhFMD1i(0),
42 fhFMD2i(0),
43 fhFMD2o(0),
44 fhFMD3i(0),
45 fhFMD3o(0)
46{
47 // Constructor.
48 // Input slot #0 works with an Ntuple
49 DefineInput(0, TChain::Class());
50 // Output slot #0 writes into a TH1 container
51 DefineOutput(0, TObjArray::Class()) ;
52}
53
54//______________________________________________________________________________
55AliFMDQATask::~AliFMDQATask()
56{
57 // dtor
58
59 fOutputContainer->Clear() ;
60 delete fOutputContainer ;
61
62 delete fhFMD1i ;
63 delete fhFMD2i ;
64 delete fhFMD2o ;
65 delete fhFMD3i ;
66 delete fhFMD3o ;
67
68}
69
70//______________________________________________________________________________
c52c2132 71void AliFMDQATask::ConnectInputData(const Option_t*)
1dfe075f 72{
73 // Initialisation of branch container and histograms
74
75 AliInfo(Form("*** Initialization of %s", GetName())) ;
76
77 // Get input data
78 fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
79 if (!fChain) {
80 AliError(Form("Input 0 for %s not found\n", GetName()));
81 return ;
82 }
83
c52c2132 84 // One should first check if the branch address was taken by some other task
85 char ** address = (char **)GetBranchAddress(0, "ESD");
86 if (address) {
87 fESD = (AliESD*)(*address);
88 } else {
89 fESD = new AliESD();
90 SetBranchAddress(0, "ESD", &fESD);
1dfe075f 91 }
c52c2132 92}
93
94//________________________________________________________________________
95void AliFMDQATask::CreateOutputObjects()
96{
1dfe075f 97 // create histograms
1e20f195 98
99 OpenFile(0) ;
100
1dfe075f 101 fhFMD1i = new TH1D("FMD1i", "FMD1i", 100, -0.5, 3);
102 fhFMD2i = new TH1D("FMD2i", "FMD2i", 100, -0.5, 3);
103 fhFMD2o = new TH1D("FMD2o", "FMD2o", 100, -0.5, 3);
104 fhFMD3i = new TH1D("FMD3i", "FMD3i", 100, -0.5, 3);
105 fhFMD3o = new TH1D("FMD3o", "FMD3o", 100, -0.5, 3);
106
107 // create output container
108
109 fOutputContainer = new TObjArray(5) ;
110 fOutputContainer->SetName(GetName()) ;
111
112 fOutputContainer->AddAt(fhFMD1i, 0) ;
113 fOutputContainer->AddAt(fhFMD2i, 1) ;
114 fOutputContainer->AddAt(fhFMD2o, 2) ;
115 fOutputContainer->AddAt(fhFMD3i, 3) ;
116 fOutputContainer->AddAt(fhFMD3o, 4) ;
117}
118
119//______________________________________________________________________________
120void AliFMDQATask::Exec(Option_t *)
121{
122 // Processing of one event
123
124 Long64_t entry = fChain->GetReadEntry() ;
125
126 if (!fESD) {
127 AliError("fESD is not connected to the input!") ;
128 return ;
129 }
130
583d7b2e 131 TFile * currentFile = (dynamic_cast<TChain *>(fChain))->GetFile() ;
1dfe075f 132 if ( !((entry-1)%100) )
583d7b2e 133 AliInfo(Form("%s ----> Processing event # %lld", currentFile->GetName(), entry)) ;
134
1dfe075f 135 // ************************ FMD *************************************
cac266b2 136 AliESDFMD * fmd = fESD->GetFMDData() ;
1f588058 137 if ( ! fmd ) {
138 AliError("No FMD found in ESD") ;
139 return ;
140 }
141 fmd->CheckNeedUShort(currentFile);
1dfe075f 142 Int_t nFMD1 = 0, nFMD2i = 0, nFMD2o = 0, nFMD3i = 0, nFMD3o = 0 ;
143
144 UShort_t detector = 1 ;
145 for(detector = 1 ; detector <= fmd->MaxDetectors() ; detector++) {
146 Char_t ring = 'O' ;
147 UShort_t sector ;
148 for(sector = 0 ;sector < fmd->MaxSectors() ; sector++) {
149 UShort_t strip ;
150 for(strip = 0 ; strip < fmd->MaxStrips(); strip++) {
151 if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
152 RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip)) ;
153 if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
154 nFMD2o++ ;
155 if( (fmd->Multiplicity(detector, ring, sector, strip)==AliESDFMD::kInvalidMult) && detector == 3 )
156 nFMD3o++ ;
157 }
158 }
159 ring='I';
160 for(sector = 0; sector < fmd->MaxSectors(); sector++) {
161 UShort_t strip ;
162 for(strip = 0 ; strip < fmd->MaxStrips() ; strip++) {
163 if(fmd->Multiplicity(detector, ring, sector, strip) != AliESDFMD::kInvalidMult)
164 RingSelector(detector, ring, fmd->Multiplicity(detector, ring, sector, strip));
165 if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 1 )
166 nFMD1++;
167 if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 2 )
168 nFMD2i++;
169 if( (fmd->Multiplicity(detector, ring, sector, strip) == AliESDFMD::kInvalidMult) && detector == 3 )
170 nFMD3i++;
171 }
172 }
173 }
174
175 if(nFMD1>100+10240)
176 AliWarning(Form("number of missing strips in FMD1i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
177 if(nFMD2i>100+10240)
178 AliWarning(Form("number of missing strips in FMD2i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
179 if(nFMD2o>100+10240)
180 AliWarning(Form("number of missing strips in FMD2o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
181 if(nFMD3i>100+10240)
182 AliWarning(Form("number of missing strips in FMD3i too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
183 if(nFMD3o>100+10240)
184 AliWarning(Form("number of missing strips in FMD3o too high in event number %lld in file", entry, fChain->GetCurrentFile()->GetName())) ;
185
186 PostData(0, fOutputContainer);
187}
188
189//______________________________________________________________________________
190void AliFMDQATask::Terminate(Option_t *)
191{
192 // Processing when the event loop is ended
193
c52c2132 194 fOutputContainer = (TObjArray*)GetOutputData(0);
1f588058 195 if ( ! fOutputContainer )
196 return ;
197
c52c2132 198 fhFMD1i = (TH1D*)fOutputContainer->At(0);
199 fhFMD2i = (TH1D*)fOutputContainer->At(1);
200 fhFMD2o = (TH1D*)fOutputContainer->At(2);
201 fhFMD3i = (TH1D*)fOutputContainer->At(3);
202 fhFMD3o = (TH1D*)fOutputContainer->At(4);
203
1dfe075f 204 TCanvas * cFMD1 = new TCanvas("cFMD1", "FMD ESD Test", 400, 10, 600, 700);
205 cFMD1->Divide(3, 2) ;
206
207 cFMD1->cd(1) ;;
208 fhFMD1i->Draw() ;
209
210 cFMD1->cd(2) ;;
211 fhFMD2i->Draw() ;
212
213 cFMD1->cd(3) ;;
214 fhFMD2o->Draw() ;
215
216 cFMD1->cd(4) ;;
217 fhFMD3i->Draw() ;
218
219 cFMD1->cd(5) ;;
220 fhFMD3o->Draw() ;
221
222 cFMD1->Print("FMD.eps") ;
223
224 Bool_t rv1i = TestHisto(fhFMD1i) ;
225 Bool_t rv2i = TestHisto(fhFMD2i) ;
226 Bool_t rv2o = TestHisto(fhFMD2o) ;
227 Bool_t rv3i = TestHisto(fhFMD2i) ;
228 Bool_t rv3o = TestHisto(fhFMD2o) ;
229
230 if ( !(rv1i * rv2i * rv2o * rv3i * rv3o) )
231 AliWarning("Possible problem in file !!! Check output!") ;
232
233
234
235 char line[1024] ;
236 sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ;
237 gROOT->ProcessLine(line);
238 sprintf(line, ".!rm -fR *.eps");
239 gROOT->ProcessLine(line);
240
241 AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;
242}
243
244//______________________________________________________________________________
245void AliFMDQATask::RingSelector(const UShort_t detector, const Char_t ring, const Float_t mult) const
246{
247 // fill the histograms for each ring in each detector layer
248
249 if(ring == 'I' && detector == 1)
250 fhFMD1i->Fill(mult) ;
251 if(ring == 'I' && detector == 2)
252 fhFMD2i->Fill(mult) ;
253 if(ring == 'O' && detector == 2)
254 fhFMD2o ->Fill(mult) ;
255 if(ring == 'I' && detector == 3)
256 fhFMD3i ->Fill(mult) ;
257 if(ring == 'O' && detector == 3)
258 fhFMD3o ->Fill(mult) ;
259}
260//______________________________________________________________________________
261Bool_t AliFMDQATask::TestHisto(TH1D * hTest) const
262{
263 // analyses the histogram with a Landau function
264
265 Float_t chiMax = 3, chiLow=0.5 ;
266 Float_t chiSq ;
267 Float_t mpv ;
268 Int_t ndf ;
269
270 FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow);
271
272 if( (chiSq > chiMax || chiSq < chiLow) || mpv < 0.6 || mpv > 1 ) {
273 hTest->Rebin(2) ;
274 FitAll(hTest, chiSq, ndf, mpv, chiMax, chiLow) ;
275 }
276
277 Bool_t ret = kFALSE ;
278 Char_t * test = "not OK";
279 Char_t * test2 = "not OK";
280
281 if(chiSq < chiMax && chiSq > chiLow)
282 test = "OK" ;
283 if(mpv > 0.6 && mpv < 1)
284 test2 = "OK" ;
285
286 if(test == "OK" && test2 == "OK")
287 ret = kTRUE;
288
289 if(test == "not OK" || test2 == "not OK") {
290 AliWarning("Bad fit results") ;
291 printf("Detector : %s\n", hTest->GetName()) ;
292 printf("Landau fit Chi Square / NDF = %f / %d which is %s\n", chiSq*ndf, ndf, test) ;
293 printf("Landau fit MPV is: %f which is %s\n", mpv, test2) ;
294 }
295 return ret;
296}
297//______________________________________________________________________________
298void AliFMDQATask::FitAll(TH1D* hTest, Float_t &chiSq, Int_t &ndf, Float_t &mpv, Float_t chiMax, Float_t chiLow ) const
299{
300 // fit a histogram with a Landau distribution and returns chi square
301
302 Float_t fitMax = hTest->GetXaxis()->GetXmax() ;
303
304 TH1D hTmp = *hTest ;
305 hTmp.SetAxisRange(0.4,fitMax) ;
306 Int_t maxBin = hTmp.GetMaximumBin();
307 Float_t max = hTmp.GetBinCenter(maxBin);
308
309 hTest->Fit("landau", "QOI", "", max-0.3, fitMax) ;
310 TF1* fitfunc = hTest->GetFunction("landau") ;
311 chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
312 mpv = fitfunc->GetParameter(1) ;
313 ndf = fitfunc->GetNDF() ;
314
315 if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
316 hTest->Fit("landau", "QOI", "", max-0.2, fitMax) ;
317 fitfunc = hTest->GetFunction("landau") ;
318 chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
319 mpv = fitfunc->GetParameter(1) ;
320 ndf = fitfunc->GetNDF() ;
321 }
322 if( ( chiSq >chiMax || chiSq < chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
323 hTest->Fit("landau", "QOI", "", max-0.1, fitMax) ;
324 fitfunc = hTest->GetFunction("landau") ;
325 chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
326 mpv = fitfunc->GetParameter(1) ;
327 ndf = fitfunc->GetNDF() ;
328 }
329 if( ( chiSq > chiMax || chiSq <chiLow ) || ( mpv < 0.6 || mpv > 1 ) ) {
330 hTest->Fit("landau", "QOI", "", max, fitMax) ;
331 fitfunc = hTest->GetFunction("landau") ;
332 chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
333 mpv = fitfunc->GetParameter(1) ;
334 ndf = fitfunc->GetNDF();
335 }
336 if( ( chiSq > chiMax || chiSq < chiLow ) || ( mpv < 0.6 ||mpv > 1 ) ) {
337 hTest->Fit("landau", "QOI", "", max+0.1, fitMax) ;
338 fitfunc = hTest->GetFunction("landau") ;
339 chiSq = fitfunc->GetChisquare() / fitfunc->GetNDF() ;
340 mpv = fitfunc->GetParameter(1) ;
341 ndf = fitfunc->GetNDF() ;
342 }
343}