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added method to propagate parameters only
[u/mrichter/AliRoot.git] / PWGJE / AliAnaChargedJetResponseMaker.cxx
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31d3e4f0 1#include "AliAnaChargedJetResponseMaker.h"
2#include "TGraph.h"
3#include "TGraphErrors.h"
4#include "TMath.h"
5#include "Riostream.h"
6#include "TH1.h"
7#include "TRandom.h"
8#include "TFile.h"
9#include "TCanvas.h"
10#include "TF1.h"
11#include "THnSparse.h"
5d87a047 12#include "TArrayD.h"
31d3e4f0 13
14#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
15
c64cb1f6 16using std::cout;
17using std::endl;
18
31d3e4f0 19ClassImp(AliAnaChargedJetResponseMaker)
20
21AliAnaChargedJetResponseMaker::AliAnaChargedJetResponseMaker():
22 fDebug(kFALSE),
23 fResolutionType(kParam),
24 fDeltaPt(0x0),
25 fhDeltaPt(0x0),
26 fDimensions(1),
27 fDimRec(0),
28 fDimGen(1),
29 fPtMin(-999),
30 fPtMax(-999),
31 fNbins(0),
32 fBinArrayPtRec(0x0),
33 fPtMeasured(0x0),
34 fEffFlat(0),
35 fEfficiency(0x0),
36 fEfficiencyFine(0x0),
37 fResponseMatrix(0x0),
38 fResponseMatrixFine(0x0),
39 fPtMinUnfolded(0.),
40 fPtMaxUnfolded(0.),
41 fPtMaxUnfoldedHigh(-1.),
42 fBinWidthFactorUnfolded(2),
43 fSkipBinsUnfolded(0),
44 fExtraBinsUnfolded(5),
45 fbVariableBinning(kFALSE),
46 fPtMaxUnfVarBinning(0),
47 f1MergeFunction(0x0),
48 fFineFrac(10),
49 fbCalcErrors(kFALSE)
50{;}
51
31d3e4f0 52
fa7c34ba 53//--------------------------------------------------------------------------------------------------------------------------------------------------
54AliAnaChargedJetResponseMaker::AliAnaChargedJetResponseMaker(const AliAnaChargedJetResponseMaker& obj):
55 fDebug(obj.fDebug),
56 fResolutionType(obj.fResolutionType),
57 fDeltaPt(obj.fDeltaPt),
58 fhDeltaPt(obj.fhDeltaPt),
59 fDimensions(obj.fDimensions),
60 fDimRec(obj.fDimRec),
61 fDimGen(obj.fDimGen),
62 fPtMin(obj.fPtMin),
63 fPtMax(obj.fPtMax),
64 fNbins(obj.fNbins),
65 fBinArrayPtRec(obj.fBinArrayPtRec),
66 fPtMeasured(obj.fPtMeasured),
67 fEffFlat(obj.fEffFlat),
68 fEfficiency(obj.fEfficiency),
69 fEfficiencyFine(obj.fEfficiencyFine),
70 fResponseMatrix(obj.fResponseMatrix),
71 fResponseMatrixFine(obj.fResponseMatrixFine),
72 fPtMinUnfolded(obj.fPtMinUnfolded),
73 fPtMaxUnfolded(obj.fPtMaxUnfolded),
74 fPtMaxUnfoldedHigh(obj.fPtMaxUnfoldedHigh),
75 fBinWidthFactorUnfolded(obj.fBinWidthFactorUnfolded),
76 fSkipBinsUnfolded(obj.fSkipBinsUnfolded),
77 fExtraBinsUnfolded(obj.fExtraBinsUnfolded),
78 fbVariableBinning(obj.fbVariableBinning),
79 fPtMaxUnfVarBinning(obj.fPtMaxUnfVarBinning),
80 f1MergeFunction(obj.f1MergeFunction),
81 fFineFrac(obj.fFineFrac),
82 fbCalcErrors(obj.fbCalcErrors)
83{;}
84
85//--------------------------------------------------------------------------------------------------------------------------------------------------
86AliAnaChargedJetResponseMaker& AliAnaChargedJetResponseMaker::operator=(const AliAnaChargedJetResponseMaker& other)
87{
88// Assignment
89 if(&other == this) return *this;
90 AliAnaChargedJetResponseMaker::operator=(other);
91 fDebug = other.fDebug;
92 fResolutionType = other.fResolutionType;
93 fDeltaPt = other.fDeltaPt;
94 fhDeltaPt = other.fhDeltaPt;
95 fDimensions = other.fDimensions;
96 fDimRec = other.fDimRec;
97 fDimGen = other.fDimGen;
98 fPtMin = other.fPtMin;
99 fPtMax = other.fPtMax;
100 fNbins = other.fNbins;
101 fBinArrayPtRec = other.fBinArrayPtRec;
102 fPtMeasured = other.fPtMeasured;
103 fEffFlat = other.fEffFlat;
104 fEfficiency = other.fEfficiency;
105 fEfficiencyFine = other.fEfficiencyFine;
106 fResponseMatrix = other.fResponseMatrix;
107 fResponseMatrixFine = other.fResponseMatrixFine;
108 fPtMinUnfolded = other.fPtMinUnfolded;
109 fPtMaxUnfolded = other.fPtMaxUnfolded;
110 fPtMaxUnfoldedHigh = other.fPtMaxUnfoldedHigh;
111 fBinWidthFactorUnfolded = other.fBinWidthFactorUnfolded;
112 fSkipBinsUnfolded = other.fSkipBinsUnfolded;
113 fExtraBinsUnfolded = other.fExtraBinsUnfolded;
114 fbVariableBinning = other.fbVariableBinning;
115 fPtMaxUnfVarBinning = other.fPtMaxUnfVarBinning;
116 f1MergeFunction = other.f1MergeFunction;
117 fFineFrac = other.fFineFrac;
118 fbCalcErrors = other.fbCalcErrors;
119
120 return *this;
31d3e4f0 121}
122
123//--------------------------------------------------------------------------------------------------------------------------------------------------
124void AliAnaChargedJetResponseMaker::SetMeasuredSpectrum(TH1D *hPtMeasured)
125{
126 //
127 // Set measured spectrum in THnSparse format
128 // This defines the minimum and maximum pT on the reconstructed axis of the response matrix
129 //
130 if(fDebug) printf(">>AliAnaChargedJetResponseMaker::SetMeasuredSpectrum \n");
131
132 fNbins = hPtMeasured->GetXaxis()->GetNbins();
133 fPtMin = hPtMeasured->GetXaxis()->GetXmin();
134 fPtMax = hPtMeasured->GetXaxis()->GetXmax();
135
136 if(fDebug) printf("fNbins: %d fPtMin: %f fPtMax: %f \n",fNbins,fPtMin,fPtMax);
137
138 if(fBinArrayPtRec) delete fBinArrayPtRec;
139 fBinArrayPtRec = new Double_t[fNbins+1];
140 for(int j = 0; j<fNbins; j++) {
141 fBinArrayPtRec[j] = hPtMeasured->GetXaxis()->GetBinLowEdge(j+1);
142 }
143 fBinArrayPtRec[fNbins] = hPtMeasured->GetXaxis()->GetBinUpEdge(fNbins);
144
145
146 Int_t nbins[fDimensions];
147 Double_t xmin[fDimensions];
148 Double_t xmax[fDimensions];
149 for(int dim = 0; dim<fDimensions; dim++) {
150 nbins[dim] = fNbins;
151 xmin[dim] = fPtMin;
152 xmax[dim] = fPtMax;
153 }
154
155 if(fPtMeasured) delete fPtMeasured;
156 fPtMeasured = new THnSparseD("fPtMeasured","Measured pT spectrum; p_{T}^{rec}",fDimensions,nbins,xmin,xmax);
157 fPtMeasured->Sumw2();
158 fPtMeasured->GetAxis(0)->SetTitle("p_{T}^{rec}");
159 fPtMeasured->SetBinEdges(0,fBinArrayPtRec);
160
161 //Fill
162 if(fDebug) printf("fill measured THnSparse\n");
163 if(fNbins!=hPtMeasured->GetNbinsX())
164 printf("WARNING: nbins not correct \t %d vs %d !!!\n",fNbins,hPtMeasured->GetNbinsX());
165
166 int bin[1] = {0};
167 bin[0] = 0;
168 for(int i = hPtMeasured->FindBin(fPtMin); i<hPtMeasured->FindBin(fPtMax); i++) {
169 double pT[1];
170 pT[0]= hPtMeasured->GetBinCenter(i);
171 fPtMeasured->SetBinContent(bin,(Double_t)hPtMeasured->GetBinContent(i));
172 fPtMeasured->SetBinError(bin,(Double_t)hPtMeasured->GetBinError(i));
173 bin[0]++;
174 }
175
176 if(fDebug) printf("fPtMeasured->GetNbins(): %d \n",(int)fPtMeasured->GetNbins());
177
178}
179
180//--------------------------------------------------------------------------------------------------------------------------------------------------
181void AliAnaChargedJetResponseMaker::SetFlatEfficiency(Double_t eff) {
182
ef62323a 183 //
184 // Set flat efficiency to value of eff
185 //
186
31d3e4f0 187 fEffFlat = eff;
ef62323a 188 return;
31d3e4f0 189
275d3481 190 /*
31d3e4f0 191 Int_t nbins[fDimensions];
192 Double_t xmin[fDimensions];
193 Double_t xmax[fDimensions];
194 for(int dim = 0; dim<fDimensions; dim++) {
195 nbins[dim] = fNbins;
196 xmin[dim] = fPtMin;
197 xmax[dim] = fPtMax;
198 }
199
200 if(fEfficiency) delete fEfficiency;
201 fEfficiency = new THnSparseD("fEfficiency","Efficiency - no resolution effects; p_{T}^{gen}",fDimensions,nbins,xmin,xmax);
202 fEfficiency->Sumw2();
203 fEfficiency->GetAxis(0)->SetTitle("p_{T}^{gen}");
204 fEfficiency->SetBinEdges(0,fBinArrayPtRec);
205
206 for(int i=0; i<fNbins; i++) {
207 int bin[1];
208 bin[0] = i;
209 fEfficiency->SetBinContent(bin,fEffFlat);
210 fEfficiency->SetBinError(bin,0);
211 }
5b045191 212 */
31d3e4f0 213}
214
215//--------------------------------------------------------------------------------------------------------------------------------------------------
216void AliAnaChargedJetResponseMaker::SetEfficiency(TGraphErrors *grEff)
217{
ef62323a 218 //
219 // Fill fEfficiency (THnSparse) with values from grEff
220 //
221
31d3e4f0 222 Int_t nbins[fDimensions];
223 Double_t xmin[fDimensions];
224 Double_t xmax[fDimensions];
225 for(int dim = 0; dim<fDimensions; dim++) {
226 nbins[dim] = fNbins;
227 xmin[dim] = fPtMin;
228 xmax[dim] = fPtMax;
229 }
230
231 if(fEfficiency) delete fEfficiency;
232 fEfficiency = new THnSparseD("fEfficiency","Efficiency - no resolution effects; p_{T}^{gen}",fDimensions,nbins,xmin,xmax);
233 fEfficiency->Sumw2();
234 fEfficiency->GetAxis(0)->SetTitle("p_{T}^{gen}");
235 fEfficiency->SetBinEdges(0,fBinArrayPtRec);
236
237 double pT[1];
238 double yield = 0.;
239 double error = 0.;
240 double dummy = 0.;
241 int nbinsgr = grEff->GetN();
242
243 for(int i=0; i<nbinsgr; i++) {
244 grEff->GetPoint(i,dummy,yield);
245 pT[0] = dummy;
246 error = grEff->GetErrorY(i);
247
248 fEfficiency->Fill(pT,yield);
249 fEfficiency->SetBinError(i,error);
250
251 }
252
253}
254
255//--------------------------------------------------------------------------------------------------------------------------------------------------
256void AliAnaChargedJetResponseMaker::MakeResponseMatrixJetsFineMerged(Int_t skipBins, Int_t binWidthFactor, Int_t extraBins, Bool_t bVariableBinning, Double_t ptmax)
257{
258 //
259 // Make jet response matrix
260 //
261
ef62323a 262 if(fDebug) printf(">>AliAnaChargedJetResponseMaker::MakeResponseMatrixJetsFineMerged\n");
263
264 if(!fPtMeasured) {
265 if(fDebug) printf("fPtMeasured does not exist. Aborting!!\n");
266 return;
267 }
31d3e4f0 268 if(fResponseMatrix) { delete fResponseMatrix; }
269 if(fResponseMatrixFine) { delete fResponseMatrixFine; }
270
271 SetSkipBinsUnfolded(skipBins);
272 SetBinWidthFactorUnfolded(binWidthFactor);
273 SetExtraBinsUnfolded(extraBins);
274 SetVariableBinning(bVariableBinning,ptmax);
275
276 InitializeResponseMatrix();
277 InitializeEfficiency();
278
279 InitializeResponseMatrixFine();
280 InitializeEfficiencyFine();
281
282 FillResponseMatrixFineAndMerge();
283
284}
285
286//--------------------------------------------------------------------------------------------------------------------------------------------------
287void AliAnaChargedJetResponseMaker::InitializeResponseMatrix() {
288 //
ef62323a 289 //Define bin edges of RM to be used for unfolding
31d3e4f0 290 //
291
292 Int_t nbins[fDimensions*2];
293 nbins[fDimRec] = fNbins;
fa7c34ba 294 nbins[fDimGen] = fNbins;
31d3e4f0 295
296 double binWidthMeas = (double)((fPtMax-fPtMin)/fNbins);
297 double binWidthUnf = (double)fBinWidthFactorUnfolded*binWidthMeas;
298 double binWidthUnfLowPt = -1.;
299 if(fbVariableBinning)
300 binWidthUnfLowPt = binWidthUnf*0.5;
301
03372fd1 302 fPtMaxUnfolded = fPtMax+(double)(fExtraBinsUnfolded)*binWidthUnf;
303 nbins[fDimGen]+=fExtraBinsUnfolded;
304
31d3e4f0 305
306 printf("fPtMinMeas: %f fPtMaxMeas: %f\n",fPtMin,fPtMax);
307 printf("binWidthMeas: %f binWidthUnf: %f fBinWidthFactorUnfolded: %d\n",binWidthMeas,binWidthUnf,fBinWidthFactorUnfolded);
308 printf("binWidthUnfLowPt: %f\n",binWidthUnfLowPt);
309
adf3920d 310 printf("fPtMinUnfolded: %f fPtMaxUnfolded: %f\n",fPtMinUnfolded,fPtMaxUnfolded);
311
31d3e4f0 312
313 if(fbVariableBinning) {
adf3920d 314 // cout << "fPtMaxUnfVarBinning: " << fPtMaxUnfVarBinning << " \tfPtMinUnfolded: " << fPtMinUnfolded << " binWidthUnfLowPt: " << binWidthUnfLowPt << endl;
315 Int_t tmp = (int)((fPtMaxUnfVarBinning-fPtMinUnfolded)/binWidthUnfLowPt);
31d3e4f0 316 tmp = tmp - fSkipBinsUnfolded;
317 fPtMinUnfolded = fPtMaxUnfVarBinning-(double)(tmp)*binWidthUnfLowPt;
adf3920d 318 //cout << "tmp = " << tmp << " fSkipBinsUnfolded = " << fSkipBinsUnfolded << " fPtMinUnfolded = " << fPtMinUnfolded << endl;
31d3e4f0 319 //Redefine also number of bins on generated axis in case of variable binning
320 nbins[fDimGen] = (int)((fPtMaxUnfVarBinning-fPtMinUnfolded)/binWidthUnfLowPt)+(int)((fPtMaxUnfolded-fPtMaxUnfVarBinning)/binWidthUnf);
321 }
adf3920d 322 else {
323 int tmp = round((fPtMaxUnfolded-fPtMinUnfolded)/binWidthUnf); //nbins which fit between 0 and fPtMaxUnfolded
324 tmp = tmp - fSkipBinsUnfolded;
325 fPtMinUnfolded = fPtMaxUnfolded-(double)(tmp)*binWidthUnf; //set ptmin unfolded
326 fPtMaxUnfolded = fPtMinUnfolded+(double)(tmp)*binWidthUnf; //set ptmax unfolded
327 nbins[fDimGen] = (int)((fPtMaxUnfolded-fPtMinUnfolded)/binWidthUnf); //adjust nbins to bin width
328 }
329
330 printf(" nbins[fDimGen] = %d nbins[fDimRec] = %d\n",nbins[fDimGen],nbins[fDimRec]);
31d3e4f0 331
332 Double_t binWidth[2];
333 binWidth[fDimRec] = (double)((fPtMax-fPtMin)/nbins[fDimRec]);
334 binWidth[fDimGen] = (double)((fPtMaxUnfolded-fPtMinUnfolded)/nbins[fDimGen]);
335
336 Double_t xmin[fDimensions*2];
337 Double_t xmax[fDimensions*2];
338 xmin[fDimRec] = fPtMin;
339 xmax[fDimRec] = fPtMax;
340 xmin[fDimGen] = fPtMinUnfolded;
341 xmax[fDimGen] = fPtMaxUnfolded;
342
343 printf("xmin[fDimRec]: %f xmin[fDimGen]: %f \n",xmin[fDimRec],xmin[fDimGen]);
344 printf("xmax[fDimRec]: %f xmax[fDimGen]: %f \n",xmax[fDimRec],xmax[fDimGen]);
345 printf("nbins[fDimRec]: %d nbins[fDimGen]: %d \n",nbins[fDimRec],nbins[fDimGen]);
346 if(!fbVariableBinning) printf("binWidth[fDimRec]: %f binWidth[fDimGen]: %f \n",binWidth[fDimRec],binWidth[fDimGen]);
347
348 Double_t binArrayPt0[nbins[fDimRec]+1];
349 Double_t binArrayPt1[nbins[fDimGen]+1];
350 Double_t xmaxGen = TMath::Max(xmax[fDimGen],fPtMaxUnfoldedHigh);
351
352 //Define bin limits reconstructed/measured axis
353 for(int i=0; i<nbins[fDimRec]; i++) {
354 binArrayPt0[i] = xmin[fDimRec]+(double)i*binWidth[fDimRec];
355 }
356 binArrayPt0[nbins[fDimRec]]= xmax[fDimRec];
357
358 //Define bin limits generated/unfolded axis
fa7c34ba 359 binArrayPt1[0] = fPtMinUnfolded;
360 for(int i=1; i<nbins[fDimGen]; i++) {
31d3e4f0 361 if(fbVariableBinning) {
362 double test = xmin[fDimGen]+(double)i*binWidthUnfLowPt;
363 if(test<=fPtMaxUnfVarBinning) binArrayPt1[i] = test;
364 else binArrayPt1[i] = binArrayPt1[i-1]+binWidthUnf;
365 }
fa7c34ba 366 else
367 binArrayPt1[i] = xmin[fDimGen]+(double)i*binWidth[fDimGen];
31d3e4f0 368 //printf("RM. i = %d \t binArrayPt[i] = %f \n",i,binArrayPt1[i]);
369 }
370 binArrayPt1[nbins[fDimGen]]= xmaxGen;
371
372
373 // Response matrix : dimensions must be 2N = 2 x (number of variables)
374 // dimensions 0 -> N-1 must be filled with reconstructed values
375 // dimensions N -> 2N-1 must be filled with generated values
ef62323a 376 if(fResponseMatrix) delete fResponseMatrix;
31d3e4f0 377 fResponseMatrix = new THnSparseD("fResponseMatrix","Response Matrix pTMC vs pTrec",fDimensions*2,nbins,xmin,xmax);
378 fResponseMatrix->Sumw2();
379 fResponseMatrix->GetAxis(fDimRec)->SetTitle("p_{T}^{rec}");
380 fResponseMatrix->GetAxis(fDimGen)->SetTitle("p_{T}^{gen}");
381
382 fResponseMatrix->SetBinEdges(fDimRec,binArrayPt0);
383 fResponseMatrix->SetBinEdges(fDimGen,binArrayPt1);
384
ef62323a 385 Int_t bin[2] = {1,1};
386 for(int i=1; i<fResponseMatrix->GetAxis(0)->GetNbins(); i++) {
387 bin[0]=i;
388 for(int j=1; j<fResponseMatrix->GetAxis(1)->GetNbins(); j++) {
389 bin[1]=j;
390 fResponseMatrix->SetBinContent(bin,0.);
391 }
392 }
393
394
31d3e4f0 395
396}
397
398//--------------------------------------------------------------------------------------------------------------------------------------------------
399void AliAnaChargedJetResponseMaker::InitializeEfficiency() {
400 //
401 // Define dimensions of efficiency THnSparse
402 //
403
404 if(!fResponseMatrix) {
405 printf("AliAnaChargedJetResponseMaker::InitializeEfficiency()\n");
406 printf("Can not define dimensions efficiency without fResponseMatrix dimensions. Aborting \n");
407 return;
408 }
409
410 TAxis *genAxis = fResponseMatrix->GetAxis(fDimGen);
411
412 Int_t nbinsEff[fDimensions];
413 Double_t xminEff[fDimensions];
414 Double_t xmaxEff[fDimensions];
415
416 for(int dim = 0; dim<fDimensions; dim++) {
417 nbinsEff[dim] = genAxis->GetNbins();
418 xminEff[dim] = genAxis->GetXmin();
419 xmaxEff[dim] = genAxis->GetXmax();
420 }
421
422 if(fEfficiency) delete fEfficiency;
423 fEfficiency = new THnSparseD("fEfficiency","Efficiency - no resolution effects; p_{T}^{gen}",fDimensions,nbinsEff,xminEff,xmaxEff);
424 fEfficiency->Sumw2();
425 fEfficiency->GetAxis(0)->SetTitle("p_{T}^{gen}");
426
427 const Double_t *binArrayPt = genAxis->GetXbins()->GetArray();
428 fEfficiency->SetBinEdges(0,binArrayPt);
429
430}
431
432//--------------------------------------------------------------------------------------------------------------------------------------------------
433void AliAnaChargedJetResponseMaker::InitializeResponseMatrixFine() {
434 //
435 //Initialize fine response matrix
436 //
437
438 Int_t nbinsFine[fDimensions*2];
fa7c34ba 439 Double_t xminFine[fDimensions*2];
440 Double_t xmaxFine[fDimensions*2];
31d3e4f0 441 Double_t pTarrayFine[fDimensions*2];
442
fa7c34ba 443 nbinsFine[fDimRec] = fResponseMatrix->GetAxis(fDimRec)->GetNbins()*fFineFrac;
444 nbinsFine[fDimGen] = fResponseMatrix->GetAxis(fDimRec)->GetNbins()*fFineFrac;
445 xminFine[fDimRec] = TMath::Min(fPtMin,0.);
446 xminFine[fDimGen] = TMath::Min(fPtMin,0.);
447 xmaxFine[fDimRec] = fResponseMatrix->GetAxis(fDimGen)->GetXmax()+40.;
448 xmaxFine[fDimGen] = fResponseMatrix->GetAxis(fDimGen)->GetXmax()+40.;
449 pTarrayFine[fDimRec] = 0.;
450 pTarrayFine[fDimGen] = 0.;
31d3e4f0 451
452 Double_t binWidth[2];
453 binWidth[fDimRec] = fResponseMatrix->GetAxis(fDimRec)->GetBinWidth(1);
454
455 Double_t binWidthFine[2];
456 binWidthFine[fDimRec] = binWidth[fDimRec]/((double)fFineFrac);
457 binWidthFine[fDimGen] = binWidthFine[fDimRec]*(double)fBinWidthFactorUnfolded;
458
459 nbinsFine[fDimRec] = (int)((xmaxFine[fDimRec]-xminFine[fDimRec])/binWidthFine[fDimRec]); //adjust nbins to bin width
460 nbinsFine[fDimGen] = (int)((xmaxFine[fDimGen]-xminFine[fDimGen])/binWidthFine[fDimGen]); //adjust nbins to bin width
461
462 printf("xminFine[fDimRec]: %f xminFine[fDimGen]: %f \n",xminFine[fDimRec],xminFine[fDimGen]);
463 printf("xmaxFine[fDimRec]: %f xmaxFine[fDimGen]: %f \n",xmaxFine[fDimRec],xmaxFine[fDimGen]);
464 printf("nbinsFine[fDimRec]: %d nbinsFine[fDimGen]: %d \n",nbinsFine[fDimRec],nbinsFine[fDimGen]);
465 printf("binWidthFine[fDimRec]: %f binWidthFine[fDimGen]: %f \n",binWidthFine[fDimRec],binWidthFine[fDimGen]);
466
467
468 Double_t binArrayPt0Fine[nbinsFine[fDimRec]+1];
469 Double_t binArrayPt1Fine[nbinsFine[fDimGen]+1];
470
471 for(int i=0; i<nbinsFine[fDimRec]; i++) {
472 binArrayPt0Fine[i] = xminFine[fDimRec]+(double)i*binWidthFine[fDimRec];
473 // printf("RM. i = %d \t binArrayPtFine[i] = %f \n",i,binArrayPt0Fine[i]);
474 }
475 binArrayPt0Fine[nbinsFine[fDimRec]]= xmaxFine[fDimRec];
476
477 for(int i=0; i<nbinsFine[fDimGen]; i++) {
478 binArrayPt1Fine[i] = xminFine[fDimGen]+(double)i*binWidthFine[fDimGen];
479 // printf("RM. i = %d \t binArrayPtFine[i] = %f \n",i,binArrayPt1Fine[i]);
480 }
481 binArrayPt1Fine[nbinsFine[fDimGen]]= xmaxFine[fDimGen];
482
483 // Response matrix : dimensions must be 2N = 2 x (number of variables)
484 // dimensions 0 -> N-1 must be filled with reconstructed values
485 // dimensions N -> 2N-1 must be filled with generated values
ef62323a 486 if(fResponseMatrixFine) delete fResponseMatrixFine;
31d3e4f0 487 fResponseMatrixFine = new THnSparseD("fResponseMatrixFine","Response Matrix pTMC vs pTrec",fDimensions*2,nbinsFine,xminFine,xmaxFine);
488 fResponseMatrixFine->Sumw2();
489 fResponseMatrixFine->GetAxis(fDimRec)->SetTitle("p_{T}^{rec}");
490 fResponseMatrixFine->GetAxis(fDimGen)->SetTitle("p_{T}^{gen}");
491
492 fResponseMatrixFine->SetBinEdges(fDimRec,binArrayPt0Fine);
493 fResponseMatrixFine->SetBinEdges(fDimGen,binArrayPt1Fine);
494
ef62323a 495 Int_t bin[2] = {1,1};
496 for(int i=1; i<fResponseMatrixFine->GetAxis(0)->GetNbins(); i++) {
497 bin[0]=i;
498 for(int j=1; j<fResponseMatrixFine->GetAxis(1)->GetNbins(); j++) {
499 bin[1]=j;
500 fResponseMatrixFine->SetBinContent(bin,0.);
501 }
502 }
503
31d3e4f0 504}
505
506//--------------------------------------------------------------------------------------------------------------------------------------------------
507void AliAnaChargedJetResponseMaker::InitializeEfficiencyFine() {
508 //
509 // Define dimensions of efficiency THnSparse
510 //
511
512 if(!fResponseMatrixFine) {
513 printf("AliAnaChargedJetResponseMaker::InitializeEfficiencyFine()\n");
514 printf("Can not define dimensions efficiency without fResponseMatrixFine dimensions. Aborting \n");
515 return;
516 }
517
518 TAxis *genAxis = fResponseMatrixFine->GetAxis(fDimGen);
519
520 Int_t nbinsEff[fDimensions];
521 Double_t xminEff[fDimensions];
522 Double_t xmaxEff[fDimensions];
523
524 for(int dim = 0; dim<fDimensions; dim++) {
525 nbinsEff[dim] = genAxis->GetNbins();
526 xminEff[dim] = genAxis->GetXmin();
527 xmaxEff[dim] = genAxis->GetXmax();
528 }
529
530 if(fEfficiencyFine) delete fEfficiencyFine;
531 fEfficiencyFine = new THnSparseD("fEfficiencyFine","EfficiencyFine - no resolution effects; p_{T}^{gen}",fDimensions,nbinsEff,xminEff,xmaxEff);
532 fEfficiencyFine->Sumw2();
533 fEfficiencyFine->GetAxis(0)->SetTitle("p_{T}^{gen}");
534
535 const Double_t *binArrayPt = genAxis->GetXbins()->GetArray();
536 fEfficiencyFine->SetBinEdges(0,binArrayPt);
537
538}
539
540//--------------------------------------------------------------------------------------------------------------------------------------------------
541void AliAnaChargedJetResponseMaker::FillResponseMatrixFineAndMerge() {
542 //
543 // Fill fine response matrix
544 //
545
ef62323a 546 if(!fResponseMatrix) {
547 printf("Dimensions of fResponseMatrix have to be defined first. Aborting!");
548 return;
549 }
550
551 if(!fResponseMatrixFine) {
552 printf("Dimensions of fResponseMatrixFine have to be defined first. Aborting!");
553 return;
554 }
555
31d3e4f0 556 TAxis *genAxis = fResponseMatrixFine->GetAxis(fDimGen);
557 TAxis *recAxis = fResponseMatrixFine->GetAxis(fDimRec);
558
559 Int_t nbinsFine[fDimensions*2];
560 Double_t xminFine[fDimensions*2];
561 Double_t xmaxFine[fDimensions*2];
562 Double_t pTarrayFine[fDimensions*2];
563
564 nbinsFine[fDimGen] = genAxis->GetNbins();
565 nbinsFine[fDimRec] = recAxis->GetNbins();
566 xminFine[fDimGen] = genAxis->GetXmin();
567 xminFine[fDimRec] = recAxis->GetXmin();
568 xmaxFine[fDimGen] = genAxis->GetXmax();
569 xmaxFine[fDimRec] = recAxis->GetXmax();
fa7c34ba 570 pTarrayFine[fDimGen] = 0.;
571 pTarrayFine[fDimRec] = 0.;
31d3e4f0 572
573 double sumyield = 0.;
574 double sumyielderror2 = 0.;
575
ada4df5e 576 int ipt[2] = {0,0};
577 int iptMerged[2] = {0,0};
578 int ierror[2] = {0,0};
31d3e4f0 579
580 Int_t check = 0;
581 Double_t pTgen, pTrec;
582 Double_t yield = 0.;
583 Double_t error = 0.;
584
585 const int nng = fResponseMatrix->GetAxis(fDimGen)->GetNbins();
586 const int nnr = fResponseMatrix->GetAxis(fDimRec)->GetNbins();
587 Double_t errorArray[nng][nnr];
588 for(int iig =0; iig<nng; iig++) {
589 for(int iir =0; iir<nnr; iir++) {
590 errorArray[iig][iir] = 0.;
591 }
592 }
593
594 for(int iy=1; iy<=nbinsFine[fDimGen]; iy++) { //gen
595 pTgen = fResponseMatrixFine->GetAxis(fDimGen)->GetBinCenter(iy);
596 pTarrayFine[fDimGen] = pTgen;
597 ierror[fDimGen]=iy;
598 sumyield = 0.;
599 check = 0;
600
601 for(int ix=1; ix<=nbinsFine[fDimRec]; ix++) { //rec
602 pTrec = fResponseMatrixFine->GetAxis(fDimRec)->GetBinCenter(ix);
603 Double_t width = fResponseMatrixFine->GetAxis(fDimRec)->GetBinWidth(ix);
604 if(fResolutionType==kParam) {
605 yield = fDeltaPt->Eval(pTrec-pTgen);
606 error = 0.;
607 }
608 else if(fResolutionType==kResiduals) {
609 yield = fhDeltaPt->Interpolate(pTrec-pTgen);
610 error = 0.;
611 }
612 else if(fResolutionType==kResidualsErr) {
613 Double_t deltaPt = pTrec-pTgen;
614 int bin = fhDeltaPt->FindBin(deltaPt);
615 yield = fhDeltaPt->GetBinContent(bin);
616 error = fhDeltaPt->GetBinError(bin);
617 }
618 yield=yield*width;
619 error=error*width;
620 //avoid trouble with empty bins in the high pT tail of deltaPt distribution
621 if(check==0 && yield>0. && pTrec>pTgen) check=1;
622 if(check==1 && yield==0.) ix=nbinsFine[fDimRec];
623
624 sumyield+=yield;
625 sumyielderror2 += error*error;
626
627 pTarrayFine[fDimRec] = pTrec;
628 ierror[fDimRec] = ix;
629 fResponseMatrixFine->Fill(pTarrayFine,yield);
630 if(fbCalcErrors) fResponseMatrixFine->SetBinError(ierror,error);
631
632 }// ix (dimRec) loop
633
634 //Normalize to total number of counts =1
635 if(sumyield>1) {
636 ipt[fDimGen]=iy;
637 for(int ix=1; ix<=nbinsFine[fDimRec]; ix++) {
638 ipt[fDimRec]=ix;
639 fResponseMatrixFine->SetBinContent(ipt,fResponseMatrixFine->GetBinContent(ipt)/sumyield);
640 if(fResolutionType==kResidualsErr && fbCalcErrors) {
641 Double_t A = 1./sumyield*fResponseMatrix->GetBinError(ipt);
642 Double_t B = -1.*fResponseMatrix->GetBinContent(ipt)/sumyield/sumyield*TMath::Sqrt(sumyielderror2);
643 Double_t tmp2 = A*A + B*B;
644 fResponseMatrix->SetBinError(ipt,TMath::Sqrt(tmp2));
645 }
646
647 }
648 }
649
650 int bin[1];
651 bin[0] = iy;
652 fEfficiencyFine->SetBinContent(bin,sumyield);
653 if(fbCalcErrors) fEfficiencyFine->SetBinError(bin,TMath::Sqrt(sumyielderror2));
654
655 //fill merged response matrix
656
657 //find bin in fine RM correspoinding to mimimum/maximum bin of merged RM on rec axis
658 int ixMin = fResponseMatrixFine->GetAxis(fDimRec)->FindBin(fResponseMatrix->GetAxis(fDimRec)->GetXmin());
659 int ixMax = fResponseMatrixFine->GetAxis(fDimRec)->FindBin(fResponseMatrix->GetAxis(fDimRec)->GetXmax());
660
661 if(fResponseMatrixFine->GetAxis(fDimGen)->GetBinLowEdge(iy) >= fResponseMatrix->GetAxis(fDimGen)->GetXmin()) {
662 ipt[fDimGen]=iy;
663 iptMerged[fDimGen]=fResponseMatrix->GetAxis(fDimGen)->FindBin(pTgen);
664
665 Double_t weight = 1.;
666 if(f1MergeFunction) {
667 Double_t loEdge = fResponseMatrix->GetAxis(fDimGen)->GetBinLowEdge(iptMerged[fDimGen]);
668 Double_t upEdge = fResponseMatrix->GetAxis(fDimGen)->GetBinUpEdge(iptMerged[fDimGen]);
669 Float_t powInteg = f1MergeFunction->Integral(loEdge,upEdge);
670 //printf("loEdge = %f upEdge = %f powInteg = %f\n",loEdge,upEdge,powInteg);
671 if(powInteg>0.)
672 weight = f1MergeFunction->Integral(fResponseMatrixFine->GetAxis(fDimGen)->GetBinLowEdge(iy),fResponseMatrixFine->GetAxis(fDimGen)->GetBinUpEdge(iy))/powInteg;
673 // printf("weight: %f \n", weight );
674 } else {
675 weight = 1./((double)fFineFrac);
adf3920d 676 if(fbVariableBinning && pTgen<fPtMaxUnfVarBinning) weight=1./(0.5*(double)fFineFrac);
31d3e4f0 677 }
678
679 for(int ix=ixMin; ix<=ixMax; ix++) { //loop reconstructed axis
680 pTrec = fResponseMatrixFine->GetAxis(fDimRec)->GetBinCenter(ix);
681 ipt[fDimRec]=ix;
682 iptMerged[fDimRec]=fResponseMatrix->GetAxis(fDimRec)->FindBin(pTrec);
683
684 fResponseMatrix->AddBinContent(iptMerged,fResponseMatrixFine->GetBinContent(ipt)*weight);
685 if(fbCalcErrors) errorArray[iptMerged[fDimGen]-1][iptMerged[fDimRec]-1] += fResponseMatrixFine->GetBinError(ipt)*fResponseMatrixFine->GetBinError(ipt)*weight*weight;
686 }
687
688 }//loop gen axis fine response matrix
689
690 } // iy (dimGen) loop
691
692 //Fill Efficiency corresponding to merged response matrix
31d3e4f0 693 for(int iy=1; iy<=fResponseMatrix->GetAxis(fDimGen)->GetNbins(); iy++) { //gen
694 sumyield = 0.;
695 ipt[fDimGen] = iy;
696
697 for(int ix=1; ix<=fResponseMatrix->GetAxis(fDimRec)->GetNbins(); ix++) { //rec
698 ipt[fDimRec] = ix;
699 sumyield += fResponseMatrix->GetBinContent(ipt);
700
701 if(fbCalcErrors) fResponseMatrix->SetBinError(ipt,TMath::Sqrt(errorArray[iy][ix]));
702 }
703 printf("RM: pTgen: %f \t sumyield: %f \n",fResponseMatrix->GetAxis(fDimGen)->GetBinCenter(iy),sumyield);
704 int bin[1];
705 bin[0] = iy;
706 fEfficiency->SetBinContent(bin,sumyield);
707 if(fbCalcErrors) fEfficiency->SetBinError(bin,0);
708 }
709
710 if(fDebug) printf("fResponseMatrixFine->GetNbins(): %d \n",(int)fResponseMatrixFine->GetNbins());
711 if(fDebug) printf("fResponseMatrix->GetNbins(): %d \n",(int)fResponseMatrix->GetNbins());
712
713 if(fDebug) printf("Done constructing response matrix\n");
714
715}
716
ef62323a 717//--------------------------------------------------------------------------------------------------------------------------------------------------
03372fd1 718TH2* AliAnaChargedJetResponseMaker::MakeResponseMatrixRebin(TH2 *hRMFine, TH2 *hRM, Bool_t useFunctionWeight) {
ef62323a 719
720 //
721 // Rebin matrix hRMFine to dimensions of hRM
03372fd1 722 // function returns matrix in TH2D format (hRM2) with dimensions from hRM
ef62323a 723 //
724
725 TH2 *hRM2 = (TH2*)hRM->Clone("hRM2");
726 hRM2->Reset();
727
03372fd1 728 if(useFunctionWeight) cout << "Use function to do weighting" << endl;
729
275d3481 730 //First normalize columns of input
ef62323a 731 const Int_t nbinsNorm = hRM2->GetNbinsX();
732 cout << "nbinsNorm: " << nbinsNorm << endl;
733
734 TArrayF *normVector = new TArrayF(nbinsNorm);
735
736 for(int ix=1; ix<=hRM2->GetNbinsX(); ix++) {
737 Double_t xLow = hRM2->GetXaxis()->GetBinLowEdge(ix);
738 Double_t xUp = hRM2->GetXaxis()->GetBinUpEdge(ix);
739 //cout << "xLow: " << xLow << " xUp: " << xUp << "\t center: " << hRM2->GetXaxis()->GetBinCenter(ix) << endl;
740 Int_t binxLowFine = hRMFine->GetXaxis()->FindBin(xLow);
741 Int_t binxUpFine = hRMFine->GetXaxis()->FindBin(xUp)-1;
742 //cout << "xLowFine: " << hRMFine->GetXaxis()->GetBinLowEdge(binxLowFine) << "\txUpFine: " << hRMFine->GetXaxis()->GetBinUpEdge(binxUpFine) << endl;
03372fd1 743 if(useFunctionWeight)
744 normVector->SetAt(f1MergeFunction->Integral(xLow,xUp),ix-1);
745 else
746 normVector->SetAt(hRMFine->Integral(binxLowFine,binxUpFine,1,hRMFine->GetYaxis()->GetNbins()),ix-1);
747 if(fDebug) cout << "ix norm: " << normVector->At(ix-1) << endl;
ef62323a 748 }
749
750 Double_t content, oldcontent = 0.;
751 Int_t ixNew = 0;
752 Int_t iyNew = 0;
275d3481 753 Double_t xvalLo, xvalUp, yvalLo, yvalUp;
ef62323a 754 Double_t xmin = hRM2->GetXaxis()->GetXmin();
755 Double_t ymin = hRM2->GetYaxis()->GetXmin();
756 Double_t xmax = hRM2->GetXaxis()->GetXmax();
757 Double_t ymax = hRM2->GetYaxis()->GetXmax();
758 for(int ix=1; ix<=hRMFine->GetXaxis()->GetNbins(); ix++) {
275d3481 759 xvalLo = hRMFine->GetXaxis()->GetBinLowEdge(ix);
760 xvalUp = hRMFine->GetXaxis()->GetBinUpEdge(ix);
761 if(xvalLo<xmin || xvalUp>xmax) continue;
762 ixNew = hRM2->GetXaxis()->FindBin(hRMFine->GetXaxis()->GetBinCenter(ix));
ef62323a 763 for(int iy=1; iy<=hRMFine->GetYaxis()->GetNbins(); iy++) {
275d3481 764 yvalLo = hRMFine->GetYaxis()->GetBinLowEdge(iy);
765 yvalUp = hRMFine->GetYaxis()->GetBinUpEdge(iy);
766 if(yvalLo<ymin || yvalUp>ymax) continue;
ef62323a 767 content = hRMFine->GetBinContent(ix,iy);
275d3481 768 iyNew = hRM2->GetYaxis()->FindBin(hRMFine->GetYaxis()->GetBinCenter(iy));
ef62323a 769 oldcontent = hRM2->GetBinContent(ixNew,iyNew);
770
275d3481 771 //if(fDebug) cout << "ixNew: " << ixNew << " " << xvalLo << " iyNew: " << iyNew << " " << yvalLo << " content: " << content << " oldContent: " << oldcontent << " newContent: " << oldcontent+content << endl;
ef62323a 772 Double_t weight = 1.;
03372fd1 773 if(normVector->At(ixNew-1)>0.) {
774 if(useFunctionWeight)
775 weight = f1MergeFunction->Integral(xvalLo,xvalUp)/normVector->At(ixNew-1);
776 else
777 weight = 1./normVector->At(ixNew-1);
778 }
ef62323a 779 hRM2->SetBinContent(ixNew,iyNew,oldcontent+content*weight);
780 }
781 }
782
783 if(normVector) delete normVector;
784
785 return hRM2;
786
787}
788
03372fd1 789//--------------------------------------------------------------------------------------------------------------------------------------------------
790TH2* AliAnaChargedJetResponseMaker::CreateTruncated2DHisto(TH2 *h2, Double_t xmin, Double_t xmax, Double_t ymin, Double_t ymax) {
791
792 //
793 // Limit axis range of 2D histogram
794 //
795
796 Int_t binMinXh2 = h2->GetXaxis()->FindBin(xmin);
797 if(h2->GetXaxis()->GetBinLowEdge(binMinXh2) < xmin ) binMinXh2++;
798 if(h2->GetXaxis()->GetBinLowEdge(binMinXh2) > xmin ) binMinXh2--;
799
800 Int_t binMinYh2 = h2->GetYaxis()->FindBin(ymin);
801 if(h2->GetYaxis()->GetBinLowEdge(binMinYh2) < ymin ) binMinYh2++;
802 if(h2->GetYaxis()->GetBinLowEdge(binMinYh2) > ymin ) binMinYh2--;
803
804 Int_t binMaxXh2 = h2->GetXaxis()->FindBin(xmax);
805 if(h2->GetXaxis()->GetBinUpEdge(binMaxXh2) < xmax ) binMaxXh2++;
806 if(h2->GetXaxis()->GetBinUpEdge(binMaxXh2) > xmax ) binMaxXh2--;
807
808 Int_t binMaxYh2 = h2->GetYaxis()->FindBin(ymax);
809 if(h2->GetYaxis()->GetBinUpEdge(binMaxYh2) < ymax ) binMaxYh2++;
810 if(h2->GetYaxis()->GetBinUpEdge(binMaxYh2) > ymax ) binMaxYh2--;
811
812 Int_t nbinsX = binMaxXh2-binMinXh2;
813 Int_t nbinsY = binMaxYh2-binMinYh2;
814
815 Double_t *binsX = new Double_t[nbinsX+1];
816 Double_t *binsY = new Double_t[nbinsY+1];
817
818 for(int ix=1; ix<=nbinsX; ix++)
819 binsX[ix-1] = h2->GetXaxis()->GetBinLowEdge(binMinXh2+ix-1);
820 binsX[nbinsX] = h2->GetXaxis()->GetBinUpEdge(binMaxXh2);
821
822 for(int iy=1; iy<=nbinsY; iy++)
823 binsY[iy-1] = h2->GetYaxis()->GetBinLowEdge(binMinYh2+iy-1);
824 binsY[nbinsY] = h2->GetYaxis()->GetBinUpEdge(binMaxYh2);
825
826 TH2 *h2Lim = new TH2D("h2Lim","h2Lim",nbinsX,binsX,nbinsY,binsY);
827
828 for(int ix=1; ix<=nbinsX; ix++) {
829 // cout << "ix: " << ix << " " << binsX[ix] << endl;
830 for(int iy=1; iy<=nbinsY; iy++) {
831 cout << "ix: " << ix << " " << binsX[ix] << "\tiy: " << iy << " " << binsY[iy] << endl;
832
833 double content = h2->GetBinContent(binMinXh2+ix-1,binMinYh2+iy-1);
834 double error = h2->GetBinContent(binMinXh2+ix-1,binMinYh2+iy-1);
835 h2Lim->SetBinContent(ix,iy,content);
836 h2Lim->SetBinError(ix,iy,error);
837
838 }
839 }
840
841
842
843 return h2Lim;
844}
845
846//--------------------------------------------------------------------------------------------------------------------------------------------------
847TH2* AliAnaChargedJetResponseMaker::TruncateAxisRangeResponseMatrix(TH2 *hRMOrig, Double_t xmin, Double_t xmax, Double_t ymin, Double_t ymax) {
848
849 //
850 // Limit axis range of response matrix without changing normalization
851 //
852
853 //TH2 *hRMLimit
854 //TH2 *hRMLimit2 = (TH2*)hRMLimit->Clone("hRMLimit2");
855
856 TH2 *hRMLimit2 = CreateTruncated2DHisto(hRMOrig, xmin, xmax, ymin, ymax);
857 hRMLimit2->Reset();
858
859 double binCent[2] = {0.,0.};
860 double content = 0.;
861 double error = 0.;
862 Int_t binOrig[2] = {0};
863 for(int ix=1; ix<=hRMLimit2->GetXaxis()->GetNbins(); ix++) {
864 binCent[0] = hRMLimit2->GetXaxis()->GetBinCenter(ix);
865 binOrig[0] = hRMOrig->GetXaxis()->FindBin(binCent[0]);
866 for(int iy=1; iy<=hRMLimit2->GetYaxis()->GetNbins(); iy++) {
867 binCent[1] = hRMLimit2->GetYaxis()->GetBinCenter(iy);
868 binOrig[1] = hRMOrig->GetYaxis()->FindBin(binCent[1]);
869
870 content = hRMOrig->GetBinContent(binOrig[0],binOrig[1]);
871 error = hRMOrig->GetBinError(binOrig[0],binOrig[1]);
872
873 hRMLimit2->SetBinContent(ix,iy,content);
874 hRMLimit2->SetBinError(ix,iy,error);
875
876 }
877 }
878
879
880 return hRMLimit2;
881
882}
883
275d3481 884//--------------------------------------------------------------------------------------------------------------------------------------------------
885TH2* AliAnaChargedJetResponseMaker::MultiplityResponseMatrices(TH2 *h2RMDeltaPt, TH2 *h2RMDetector) {
886
887 //
888 // Make combined response matrix (background flucutuations + detector effects)
889 //
890 // hRMDeltaPt is the response matrix for background fluctuations from \delta(p_t) measurement
891 // hRMDetector is the response matrix for detector effects: needs to be a squared matrix with on each axis the same bins as on the generated axis of the bkg fluctuations response matrix
892 //
893 // Function assumes that generated/unfolded axis is x-axis and reconstructed is on y-axis on both respone matrices
894
895
03372fd1 896 TH2D *h2ResponseMatrixCombined = (TH2D*)h2RMDeltaPt->Clone("h2ResponseMatrixCombined"); //h2RMDeltaPt is the bkg fluctuations RM which has the dimensions we want for the combined response matrix
275d3481 897 h2ResponseMatrixCombined->SetTitle("h2ResponseMatrixCombined");
898 h2ResponseMatrixCombined->SetName("h2ResponseMatrixCombined");
899
900 // M = RM_deltaPt * RM_DetEffects * T (M=measured T=truth)
901 // Dimensions:
902 // mx1 = mxd * dxt * tx1
903 // m = measured bins
904 // t = truth bins
905 // d = rec for RM_DetEffects and gen for RM_deltaPt
906 // RM_comb = RM_deltaPt * RM_DetEffects (dimensions mxt)
907 // RM_comb(m,t) = Sum_d RM_deltaPt(m,d)*RM_DetEffects(d,t)
908
909 if(fDebug) {
03372fd1 910 printf("Nt=%d\n",h2ResponseMatrixCombined->GetNbinsX());
911 printf("Nm=%d\n",h2ResponseMatrixCombined->GetNbinsY());
912 printf("Nd=%d\n",h2RMDeltaPt->GetNbinsX());
275d3481 913 }
914
03372fd1 915
275d3481 916 for(Int_t t=1; t<=h2ResponseMatrixCombined->GetNbinsX();t++) {
917 for(Int_t m=1; m<=h2ResponseMatrixCombined->GetNbinsY();m++) {
918 Double_t valueSum = 0.;
919 for(Int_t d=1; d<=h2RMDeltaPt->GetNbinsX();d++) {
920 valueSum += h2RMDeltaPt->GetBinContent(d,m) * h2RMDetector->GetBinContent(t,d);
03372fd1 921 // if(t==10 && m==10) cout << "sum m,d=" << m << "," << d << endl;
275d3481 922 }//d-loop
03372fd1 923 // if(t==10) cout << "t,m = " << t << "," << m << "\tvalueSum: " << valueSum << endl;
275d3481 924 h2ResponseMatrixCombined->SetBinContent(t,m,valueSum);
925 } //m-loop
926 }//t-loop
927
928 return h2ResponseMatrixCombined;
929
930}
31d3e4f0 931
5d87a047 932//--------------------------------------------------------------------------------------------------------------------------------------------------
933TH2* AliAnaChargedJetResponseMaker::GetTransposeResponsMatrix(TH2 *h2RM) {
934 //
935 // Transpose response matrix
936 //
937
938 //Initialize transposed response matrix h2RMTranspose
939 TArrayD *arrayX = (TArrayD*)h2RM->GetXaxis()->GetXbins();
940 for(int i=0; i<arrayX->GetSize(); i++) cout << "i: " << arrayX->At(i) << endl;
941 Double_t *xbinsArray = arrayX->GetArray();
942
943 TArrayD *arrayY = (TArrayD*)h2RM->GetYaxis()->GetXbins();
944 for(int i=0; i<arrayY->GetSize(); i++) cout << "i: " << arrayY->At(i) << endl;
945 Double_t *ybinsArray = arrayY->GetArray();
946
947 TH2D *h2RMTranspose = new TH2D("h2RMTranspose","h2RMTranspose",h2RM->GetNbinsY(),ybinsArray,h2RM->GetNbinsX(),xbinsArray);
948
949 //Fill tranposed response matrix
950 for (Int_t ibin = 1; ibin <= h2RMTranspose->GetNbinsX(); ibin++) {
951 for (Int_t jbin = 1; jbin <= h2RMTranspose->GetNbinsY(); jbin++) {
952 h2RMTranspose->SetBinContent(ibin,jbin, h2RM->GetBinContent(jbin,ibin));
953 }
954 }
955
956
957 return h2RMTranspose;
958
959}
960
961//--------------------------------------------------------------------------------------------------------------------------------------------------
962TH2* AliAnaChargedJetResponseMaker::NormalizeResponsMatrixYaxisWithPrior(TH2 *h2RM, TH1 *hPrior) {
963 //
964 // Normalize such that the Y projection is the prior
965 //
966
03372fd1 967 // TH1D *hProjRespY = (TH1D*)h2RM->ProjectionY("hProjRespY");
5d87a047 968 double intPrior = hPrior->Integral();//"width");
969 for (Int_t jbin = 1; jbin <= h2RM->GetNbinsY(); jbin++) {
970 // double corr = hPrior->GetBinContent(jbin)/hProjRespY->GetBinContent(jbin);
971 for (Int_t ibin = 1; ibin <= h2RM->GetNbinsX(); ibin++) {
972 double content = h2RM->GetBinContent(ibin,jbin);
973 // h2RM->SetBinContent(ibin,jbin,content*corr);
974 h2RM->SetBinContent(ibin,jbin,hPrior->GetBinContent(jbin)/hPrior->GetBinWidth(jbin)/intPrior*content);
975 }
976 }
977
978 return h2RM;
979}
980
31d3e4f0 981//--------------------------------------------------------------------------------------------------------------------------------------------------
982TH1D* AliAnaChargedJetResponseMaker::MultiplyResponseGenerated(TH1 *hGen, TH2 *hResponse,TH1 *hEfficiency,Bool_t bDrawSlices) {
983
984 //
985 // Multiply hGen with response matrix to obtain refolded spectrum
ef62323a 986 // Efficiency must be given. In case efficiency is 1 use SetFlatEfficiency(1.) before calling function
31d3e4f0 987 //
988
ef62323a 989 if(!hEfficiency) {
5d87a047 990 // printf("Efficiency must be given. In case efficiency is 1 use SetFlatEfficiency(1.) before calling function. Aborting!");
991 // return 0;
992 printf("Setting efficiency to 1 \n");
993 hEfficiency = (TH1D*)hGen->Clone("hEfficiency");
994 hEfficiency->Reset();
995 for(int i=1; i<=hEfficiency->GetNbinsX(); i++) hEfficiency->SetBinContent(i,1.);
ef62323a 996 }
997
31d3e4f0 998 //For response
999 //x-axis: generated
1000 //y-axis: reconstructed
1001 if(fDebug>0) cout << "nbins hGen: " << hGen->GetNbinsX() << "\t nbins hResponseGen: " << hResponse->GetXaxis()->GetNbins() << "\t nbins hResponseRec: " << hResponse->GetYaxis()->GetNbins() << endl;
1002
1003 TH1D *hRec = hResponse->ProjectionY("hRec");
1004 hRec->Sumw2();
1005 hRec->Reset();
1006 hRec->SetTitle("hRec");
1007 hRec->SetName("hRec");
1008
1009 for(int irec=1; irec<=hRec->GetNbinsX(); irec++)
1010 hRec->SetBinContent(irec,0);
1011
1012 TH1D *hRecGenBin = 0x0;
1013 TCanvas *cSlices = 0x0;
1014 if(bDrawSlices) {
1015 cSlices = new TCanvas("cSlices","cSlices:Slices",400,400);
1016 gPad->SetLogy();
1017 }
1018
1019 Double_t yieldMC = 0.;
1020 Double_t yieldMCerror = 0.;
1021 Double_t sumYield = 0.;
1022 const Int_t nbinsRec = hRec->GetNbinsX();
1023 Double_t sumError2[nbinsRec+1];
31d3e4f0 1024 Double_t eff = 0.;
1025
1026 for(int igen=1; igen<=hGen->GetNbinsX(); igen++) {
1027 //get pTMC
1028 sumYield = 0.;
1029 if(fEffFlat>0.)
1030 eff = fEffFlat;
1031 else
1032 eff = hEfficiency->GetBinContent(igen);
1033 yieldMC = hGen->GetBinContent(igen)*eff;
adf3920d 1034 yieldMCerror = hGen->GetBinError(igen)*eff;
31d3e4f0 1035
1036 if(bDrawSlices) {
1037 hRecGenBin = hResponse->ProjectionY(Form("hRecGenBin%d",igen));
1038 hRecGenBin->Sumw2();
1039 hRecGenBin->Reset();
1040 hRecGenBin->SetTitle(Form("hRecGenBin%d",igen));
1041 hRecGenBin->SetName(Form("hRecGenBin%d",igen));
1042 }
1043
1044 for(int irec=1; irec<=hRec->GetNbinsX(); irec++) {
1045 hRec->AddBinContent(irec,yieldMC*hResponse->GetBinContent(igen,irec));
1046 sumYield+=hResponse->GetBinContent(igen,irec);
346cfe4a 1047 // Double_t A = yieldMC*hResponse->GetBinError(igen,irec);
31d3e4f0 1048 Double_t B = hResponse->GetBinContent(igen,irec)*yieldMCerror;
346cfe4a 1049 // Double_t tmp2 = A*A + B*B;
adf3920d 1050 //sumError2[irec-1] += tmp2 ;
1051 sumError2[irec-1] += B*B;
31d3e4f0 1052
1053 if(bDrawSlices)
1054 hRecGenBin->SetBinContent(irec,yieldMC*hResponse->GetBinContent(igen,irec));
1055
1056 }
1057 if(bDrawSlices) {
1058 cSlices->cd();
1059 hRecGenBin->SetLineColor(igen);
1060 if(igen==1) hRecGenBin->DrawCopy();
1061 else hRecGenBin->DrawCopy("same");
1062 }
1063
1064 if(hRecGenBin) delete hRecGenBin;
1065
1066 cout << "igen: " << igen << "\tpTMC: " << hGen->GetXaxis()->GetBinCenter(igen) << "\teff:" << eff << "\tsumYield: " << sumYield << endl;
1067 }
1068
ef62323a 1069 for(int i=0; i<=nbinsRec; i++) {
1070 if(sumError2[i]>0.)
1071 hRec->SetBinError(i+1,TMath::Sqrt(sumError2[i]));
1072 }
31d3e4f0 1073
1074
1075 return hRec;
1076}
1077
1078//--------------------------------------------------------------------------------------------------------------------------------------------------
1079TH1D* AliAnaChargedJetResponseMaker::MultiplyResponseGenerated(TF1 *fGen, TH2 *hResponse,TH1 *hEfficiency) {
1080
ef62323a 1081 //
1082 // Multiply fGen function with response matrix to obtain (re)folded spectrum
1083 // Efficiency must be given. In case efficiency is 1 use SetFlatEfficiency(1.) before calling function
1084 //
1085
31d3e4f0 1086 //For response
1087 //x-axis: generated
1088 //y-axis: reconstructed
1089
ada4df5e 1090 if(fDebug>0) printf(">>AliAnaChargedJetResponseMaker::MultiplyResponseGenerated(TF1 *fGen, TH2 *hResponse,TH1 *hEfficiency)\n");
ef62323a 1091
31d3e4f0 1092 TH1D *hRec = hResponse->ProjectionY("hRec");
1093 hRec->Sumw2();
1094 hRec->Reset();
1095 hRec->SetTitle("hRec");
1096 hRec->SetName("hRec");
1097
1098 // TH1D *hRec = new TH1D("hRec","hRec",hResponse->GetNbinsY(),hResponse->GetYaxis()->GetXmin(),hResponse->GetYaxis()->GetXmax());
1099
1100 for(int irec=1; irec<=hRec->GetNbinsX(); irec++)
1101 hRec->SetBinContent(irec,0);
1102
1103 Double_t yieldMC = 0.;
1104 Double_t sumYield = 0.;
1105 Double_t eff = 0.;
1106 for(int igen=1; igen<=hResponse->GetNbinsX(); igen++) {
1107 //get pTMC
1108 sumYield = 0.;
1109 double pTMC = hResponse->GetXaxis()->GetBinCenter(igen);
ada4df5e 1110 if(hEfficiency) {
1111 int binEff = hEfficiency->FindBin(pTMC);
31d3e4f0 1112 eff = hEfficiency->GetBinContent(binEff);
ada4df5e 1113 }
1114 else eff = 1.;
1115 // yieldMC = fGen->Eval(pTMC)*eff;
1116 yieldMC = fGen->Integral(hResponse->GetXaxis()->GetBinLowEdge(igen),hResponse->GetXaxis()->GetBinUpEdge(igen))*eff;
31d3e4f0 1117 for(int irec=1; irec<=hResponse->GetNbinsY(); irec++) {
1118 hRec->AddBinContent(irec,yieldMC*hResponse->GetBinContent(igen,irec));
1119 sumYield+=hResponse->GetBinContent(igen,irec);
1120 }
ada4df5e 1121 // cout << "igen: " << igen << "\tpTMC: " << pTMC << "\tsumYield: " << sumYield << endl;
1122 // cout << "yieldMC: " << yieldMC << endl;
1123
31d3e4f0 1124 }
1125
1126 return hRec;
1127}
1128
1129//--------------------------------------------------------------------------------------------------------------------------------------------------
1130Double_t AliAnaChargedJetResponseMaker::InterpolateFast(TGraph *gr, Double_t x) {
1131
1132 Double_t ipmax = gr->GetN()-1.;
1133 Double_t x2,y2,xold,yold;
1134
1135 Double_t xmin,ymin,xmax, ymax;
1136 gr->GetPoint(0,xmin,ymin);
1137 gr->GetPoint(gr->GetN()-1,xmax,ymax);
1138 if(x<xmin || x>xmax) return 0;
1139
1140 Double_t ip = ipmax/2.;
1141 Double_t ipold = 0.;
1142 gr->GetPoint((int)(ip),x2,y2);
1143
1144 Int_t i = 0;
1145
1146 if(x2>x) {
1147 while(x2>x) {
1148 if(i==0) ipold=0.;
1149 ip -= (ip)/2.;
1150 gr->GetPoint((int)(ip),x2,y2);
1151 if(x2>x){}
1152 else ipold = ip;
1153 i++;
1154 // cout << "ipold: " << ipold << "\tip: " << ip << "\tx2: " << x2 << "\ty2: " << y2 << endl;
1155 }
1156 }
1157 else if(x2<x) {
1158 while(x2<x) {
1159 if(i==0) ipold=ipmax;
1160 ip += (ipold-ip)/2.;
1161 gr->GetPoint((int)(ip),x2,y2);
1162 if(x2>x) ipold = ip;
1163 else {}
1164 i++;
1165 // cout << "ipold: " << ipold << "\tip: " << ip << "\tx2: " << x2 << "\ty2: " << y2 << endl;
1166 }
1167 }
1168
1169 int ip2 = 0;
1170 if(x2>x) {
1171 ip2 = (int)(ip)-1;
1172 gr->GetPoint(ip2,x2,y2);
1173 while(x2>x) {
1174 ip2--;
1175 gr->GetPoint(ip2,x2,y2);
1176 }
1177 gr->GetPoint(ip2+1,xold,yold);
1178 }
1179 else {
1180 ip2 = (int)(ip)+1;
1181 gr->GetPoint(ip2,x2,y2);
1182 while(x2<x) {
1183 ip2++;
1184 gr->GetPoint(ip2,x2,y2);
1185 }
1186 gr->GetPoint(ip2-1,xold,yold);
1187
1188 }
1189 // cout << "For x=" << x << " interpolate between: " << xold << " and " << x2 << endl;
1190 return ((x-xold)*y2 + (x2-x)*yold) / (x2-xold);
1191
1192}
1193
1194//--------------------------------------------------------------------------------------------------------------------------------------------------
1195Double_t AliAnaChargedJetResponseMaker::InterpolateFast(TH1 *h, Double_t x) {
1196
1197 // Double_t ipmax = gr->GetN()-1.;
1198 Double_t ipmax = (double)h->GetNbinsX();
1199 Double_t x2,y2,xold,yold;
1200
1201 Double_t xmin = h->GetXaxis()->GetXmin();
1202 Double_t xmax = h->GetXaxis()->GetXmax();
1203 if(x<xmin || x>xmax) return 0;
1204
1205 Double_t ip = ipmax/2.;
1206 Double_t ipold = 0.;
1207
1208 x2 = h->GetBinCenter((int)ip);
1209 y2 = h->GetBinContent((int)ip);
1210
1211 Int_t i = 0;
1212
1213 if(x2>x) {
1214 while(x2>x) {
1215 if(i==0) ipold=0.;
1216 ip -= (ip)/2.;
1217 x2 = h->GetBinCenter((int)ip);
1218 y2 = h->GetBinContent((int)ip);
1219 if(x2>x) {}
1220 else ipold = ip;
1221 i++;
1222 // cout << "ipold: " << ipold << "\tip: " << ip << "\tx2: " << x2 << "\ty2: " << y2 << endl;
1223 }
1224 }
1225 else if(x2<x) {
1226 while(x2<x) {
1227 if(i==0) ipold=ipmax;
1228 ip += (ipold-ip)/2.;
1229 x2 = h->GetBinCenter((int)ip);
1230 y2 = h->GetBinContent((int)ip);
1231 if(x2>x) ipold = ip;
1232 else {}
1233 i++;
1234 // cout << "ipold: " << ipold << "\tip: " << ip << "\tx2: " << x2 << "\ty2: " << y2 << endl;
1235 }
1236 }
1237
1238 int ip2 = 0;
1239 if(x2>x) {
1240 ip2 = (int)(ip)-1;
1241 x2 = h->GetBinCenter(ip2);
1242 y2 = h->GetBinContent(ip2);
1243 while(x2>x) {
1244 ip2--;
1245 x2 = h->GetBinCenter(ip2);
1246 y2 = h->GetBinContent(ip2);
1247 }
1248 xold = h->GetBinCenter(ip2+1);
1249 yold = h->GetBinContent(ip2+1);
1250 }
1251 else {
1252 ip2 = (int)(ip)+1;
1253 x2 = h->GetBinCenter(ip2);
1254 y2 = h->GetBinContent(ip2);
1255 while(x2<x) {
1256 ip2++;
1257 x2 = h->GetBinCenter(ip2);
1258 y2 = h->GetBinContent(ip2);
1259 }
1260 xold = h->GetBinCenter(ip2-1);
1261 yold = h->GetBinContent(ip2-1);
1262
1263 }
1264 // cout << "For x=" << x << " interpolate between: " << xold << " and " << x2 << endl;
1265 return ((x-xold)*y2 + (x2-x)*yold) / (x2-xold);
1266
1267}
1268
1269