TH2 histograms (Energy vs Time): Number of energy bins reduced.
[u/mrichter/AliRoot.git] / CORRFW / AliCFGridSparse.cxx
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db6722a5 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// //
17// AliCFGridSparse Class //
18// Class to accumulate data on an N-dimensional grid, to be used //
19// as input to get corrections for Reconstruction & Trigger efficiency//
20// Based on root THnSparse //
21// -- Author : S.Arcelli //
22// Still to be done: //
23// --Interpolate among bins in a range //
24//--------------------------------------------------------------------//
25//
26//
27#include "AliCFGridSparse.h"
28#include "THnSparse.h"
29#include "AliLog.h"
30#include "TMath.h"
31#include "TROOT.h"
32#include "TH1D.h"
33#include "TH2D.h"
34#include "TH3D.h"
35#include "TAxis.h"
36
37//____________________________________________________________________
38ClassImp(AliCFGridSparse)
39
40//____________________________________________________________________
41AliCFGridSparse::AliCFGridSparse() :
42 AliCFVGrid(),
db6722a5 43 fData(0x0)
44{
45 // default constructor
46}
47//____________________________________________________________________
48AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title) :
49 AliCFVGrid(name,title),
db6722a5 50 fData(0x0)
51{
52 // default constructor
53}
54//____________________________________________________________________
55AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title, const Int_t nVarIn, const Int_t * nBinIn, const Double_t *binLimitsIn) :
56 AliCFVGrid(name,title,nVarIn,nBinIn,binLimitsIn),
db6722a5 57 fData(0x0)
58{
59 //
60 // main constructor
61 //
62
63 fData=new THnSparseF(name,title,fNVar,fNVarBins);
64
65 if(binLimitsIn){
66 for(Int_t ivar=0;ivar<fNVar;ivar++){
67 Int_t nbins=fNVarBins[ivar]+1;
68 Double_t *array= new Double_t[nbins];
69 for(Int_t i=0;i<nbins;i++){
70 array[i]=fVarBinLimits[fOffset[ivar]+i];
71 }
72 fData->SetBinEdges(ivar, array);
73 delete array;
74 }
75 }
76}
77//____________________________________________________________________
78AliCFGridSparse::AliCFGridSparse(const AliCFGridSparse& c) :
79 AliCFVGrid(c),
db6722a5 80 fData(c.fData)
81{
82 //
83 // copy constructor
84 //
85 ((AliCFGridSparse &)c).Copy(*this);
86}
87
88//____________________________________________________________________
89AliCFGridSparse::~AliCFGridSparse()
90{
91 //
92 // destructor
93 //
94 if(fData) delete fData;
95}
96
97//____________________________________________________________________
98AliCFGridSparse &AliCFGridSparse::operator=(const AliCFGridSparse &c)
99{
100 //
101 // assigment operator
102 //
103 if (this != &c)
104 ((AliCFGridSparse &) c).Copy(*this);
105 return *this;
106}
107
108//____________________________________________________________________
109void AliCFGridSparse::SetBinLimits(Int_t ivar, Double_t *array)
110{
111 //
112 // setting the arrays containing the bin limits
113 //
114 fData->SetBinEdges(ivar, array);
115 //then fill the appropriate array in ALICFFrame, to be able to use
116 //the getter, in case....
117 Int_t nbins=fNVarBins[ivar]+1;
118 for(Int_t i=0;i<nbins;i++){
119 fVarBinLimits[fOffset[ivar]+i] =array[i];
120 }
121}
122
123//____________________________________________________________________
124void AliCFGridSparse::Fill(Double_t *var, Double_t weight)
125{
126 //
127 // Fill the grid,
128 // given a set of values of the input variable,
129 // with weight (by default w=1)
130 //
131 fData->Fill(var,weight);
132}
133
134//___________________________________________________________________
135TH1D *AliCFGridSparse::Project(Int_t ivar) const
136{
137 //
138 // Make a 1D projection along variable ivar
139 //
140
db6722a5 141 TH1D *hist=fData->Projection(ivar);
db6722a5 142 return hist;
db6722a5 143}
144//___________________________________________________________________
145TH2D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2) const
146{
147 //
148 // Make a 2D projection along variables ivar1 & ivar2
149 //
150
318f64b1 151 TH2D *hist=fData->Projection(ivar2,ivar1); //notice inverted axis (THnSparse uses TH3 2d-projection convention...)
db6722a5 152 return hist;
153
154}
155//___________________________________________________________________
156TH3D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2, Int_t ivar3) const
157{
158 //
159 // Make a 3D projection along variables ivar1 & ivar2 & ivar3
160 //
db6722a5 161
162 TH3D *hist=fData->Projection(ivar1,ivar2,ivar3);
db6722a5 163 return hist;
164
165}
166
9105291d 167//___________________________________________________________________
168AliCFGridSparse* AliCFGridSparse::Project(Int_t nVars, Int_t* vars, Double_t* varMin, Double_t* varMax) const
169{
38b1447f 170 //
171 // projects the grid on the nVars dimensions defined in vars.
172 // axis ranges can be defined in arrays varMin, varMax
173 //
9105291d 174
175 // binning for new grid
176 Int_t* bins = new Int_t[nVars];
177 for (Int_t iVar=0; iVar<nVars; iVar++) {
178 bins[iVar] = fNVarBins[vars[iVar]];
179 }
180
181 // create new grid sparse
182 AliCFGridSparse* out = new AliCFGridSparse(fName,fTitle,nVars,bins);
183
184 //set the range in the THnSparse to project
185 THnSparse* clone = ((THnSparse*)fData->Clone());
38b1447f 186 if (varMin && varMax) {
187 for (Int_t iAxis=0; iAxis<fNVar; iAxis++) {
188 clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
189 }
9105291d 190 }
38b1447f 191 else AliInfo("Keeping same axis ranges");
192
9105291d 193 out->SetGrid(clone->Projection(nVars,vars));
194 return out;
195}
196
db6722a5 197//____________________________________________________________________
198Float_t AliCFGridSparse::GetOverFlows(Int_t ivar) const
199{
200 //
318f64b1 201 // Returns exclusive overflows in variable ivar
db6722a5 202 //
7411edfd 203 Int_t* bin = new Int_t[fNVar];
204 memset(bin, 0, sizeof(Int_t) * fNVar);
db6722a5 205 Float_t ovfl=0.;
206 for (Long64_t i = 0; i < fData->GetNbins(); ++i) {
207 Double_t v = fData->GetBinContent(i, bin);
208 Bool_t add=kTRUE;
209 for(Int_t j=0;j<fNVar;j++){
210 if(ivar==j)continue;
211 if((bin[j]==0) || (bin[j]==fNVarBins[j]+1))add=kFALSE;
212 }
213 if(bin[ivar]==fNVarBins[ivar]+1 && add) ovfl+=v;
214 }
215
216 delete[] bin;
217 return ovfl;
218}
219
220//____________________________________________________________________
221Float_t AliCFGridSparse::GetUnderFlows(Int_t ivar) const
222{
223 //
318f64b1 224 // Returns exclusive overflows in variable ivar
db6722a5 225 //
7411edfd 226 Int_t* bin = new Int_t[fNVar];
227 memset(bin, 0, sizeof(Int_t) * fNVar);
db6722a5 228 Float_t unfl=0.;
229 for (Long64_t i = 0; i < fData->GetNbins(); ++i) {
230 Double_t v = fData->GetBinContent(i, bin);
231 Bool_t add=kTRUE;
232 for(Int_t j=0;j<fNVar;j++){
233 if(ivar==j)continue;
234 if((bin[j]==0) || (bin[j]==fNVarBins[j]+1))add=kFALSE;
235 }
236 if(bin[ivar]==0 && add) unfl+=v;
237 }
238
239 delete[] bin;
240 return unfl;
241}
242
243
244//____________________________________________________________________
245Float_t AliCFGridSparse::GetEntries() const
246{
247 //
248 // total entries (including overflows and underflows)
249 //
250
251 return fData->GetEntries();
252}
253
254//____________________________________________________________________
255Float_t AliCFGridSparse::GetElement(Int_t index) const
256{
257 //
258 // Returns content of grid element index according to the
259 // linear indexing in AliCFFrame
260 //
261 Int_t *bin = new Int_t[fNVar];
262 GetBinIndex(index, bin);
263 for(Int_t i=0;i<fNVar;i++)fIndex[i]=bin[i]+1; //consistency with AliCFGrid
264 Float_t val=GetElement(fIndex);
265 delete [] bin;
266 return val;
267
268}
269//____________________________________________________________________
270Float_t AliCFGridSparse::GetElement(Int_t *bin) const
271{
272 //
273 // Get the content in a bin corresponding to a set of bin indexes
274 //
275 return fData->GetBinContent(bin);
276
277}
278//____________________________________________________________________
279Float_t AliCFGridSparse::GetElement(Double_t *var) const
280{
281 //
282 // Get the content in a bin corresponding to a set of input variables
283 //
284
285 Long_t index=fData->GetBin(var,kFALSE); //this is the THnSparse index (do not allocate new cells if content is empty)
286 if(index<0){
287 return 0.;
288 }else{
289 return fData->GetBinContent(index);
290 }
291}
292
293//____________________________________________________________________
294Float_t AliCFGridSparse::GetElementError(Int_t index) const
295{
296 //
297 // Returns the error on the content of a bin according to a linear
298 // indexing in AliCFFrame
299 //
300
301 Int_t *bin = new Int_t[fNVar];
302 GetBinIndex(index, bin);
303 for(Int_t i=0;i<fNVar;i++)fIndex[i]=bin[i]+1; //consistency with AliCFGrid
304 Float_t val=GetElementError(fIndex);
305 delete [] bin;
306 return val;
307
308}
309//____________________________________________________________________
310Float_t AliCFGridSparse::GetElementError(Int_t *bin) const
311{
312 //
313 // Get the error in a bin corresponding to a set of bin indexes
314 //
315 return fData->GetBinError(bin);
316
317}
318//____________________________________________________________________
319Float_t AliCFGridSparse::GetElementError(Double_t *var) const
320{
321 //
322 // Get the error in a bin corresponding to a set of input variables
323 //
324
325 Long_t index=fData->GetBin(var,kFALSE); //this is the THnSparse index (do not allocate new cells if content is empy)
326 if(index<0){
327 return 0.;
328 }else{
329 return fData->GetBinError(index);
330 }
331}
332
333
334//____________________________________________________________________
335void AliCFGridSparse::SetElement(Int_t index, Float_t val)
336{
337 //
338 // Sets grid element iel to val (linear indexing) in AliCFFrame
339 //
340 Int_t *bin = new Int_t[fNVar];
341 GetBinIndex(index, bin);
342 for(Int_t i=0;i<fNVar;i++)fIndex[i]=bin[i]+1;
343 SetElement(fIndex,val);
344 delete [] bin;
345}
346//____________________________________________________________________
347void AliCFGridSparse::SetElement(Int_t *bin, Float_t val)
348{
349 //
350 // Sets grid element of bin indeces bin to val
351 //
da2a218a 352
353 AliWarning("Important: bins should be numbered from 1 to NBins");
db6722a5 354 fData->SetBinContent(bin,val);
355}
356//____________________________________________________________________
357void AliCFGridSparse::SetElement(Double_t *var, Float_t val)
358{
359 //
360 // Set the content in a bin to value val corresponding to a set of input variables
361 //
362 Long_t index=fData->GetBin(var); //THnSparse index: allocate the cell
363 Int_t *bin = new Int_t[fNVar];
364 fData->GetBinContent(index,bin); //trick to access the array of bins
365 fData->SetBinContent(bin,val);
366 delete [] bin;
367
368}
369
370//____________________________________________________________________
371void AliCFGridSparse::SetElementError(Int_t index, Float_t val)
372{
373 //
374 // Sets grid element iel error to val (linear indexing) in AliCFFrame
375 //
376 Int_t *bin = new Int_t[fNVar];
377 GetBinIndex(index, bin);
378 for(Int_t i=0;i<fNVar;i++)fIndex[i]=bin[i]+1;
379 SetElementError(fIndex,val);
380 delete [] bin;
381}
382//____________________________________________________________________
383void AliCFGridSparse::SetElementError(Int_t *bin, Float_t val)
384{
385 //
386 // Sets grid element error of bin indeces bin to val
387 //
388 fData->SetBinError(bin,val);
389}
390//____________________________________________________________________
391void AliCFGridSparse::SetElementError(Double_t *var, Float_t val)
392{
393 //
394 // Set the error in a bin to value val corresponding to a set of input variables
395 //
396 Long_t index=fData->GetBin(var); //THnSparse index
397 Int_t *bin = new Int_t[fNVar];
398 fData->GetBinContent(index,bin); //trick to access the array of bins
399 fData->SetBinError(bin,val);
400 delete [] bin;
401}
402
403//____________________________________________________________________
404void AliCFGridSparse::SumW2()
405{
406 //
407 //set calculation of the squared sum of the weighted entries
408 //
409 if(!fSumW2){
410 fData->CalculateErrors(kTRUE);
411 }
412
413 fSumW2=kTRUE;
414}
415
416//____________________________________________________________________
9be0fa4e 417void AliCFGridSparse::Add(const AliCFVGrid* aGrid, Double_t c)
db6722a5 418{
419 //
420 //add aGrid to the current one
421 //
422
423
424 if(aGrid->GetNVar()!=fNVar){
425 AliInfo("Different number of variables, cannot add the grids");
426 return;
427 }
db6722a5 428
429 if(!fSumW2 && aGrid->GetSumW2())SumW2();
430
db6722a5 431 fData->Add(((AliCFGridSparse*)aGrid)->GetGrid(),c);
db6722a5 432}
433
434//____________________________________________________________________
9be0fa4e 435void AliCFGridSparse::Add(const AliCFVGrid* aGrid1, const AliCFVGrid* aGrid2, Double_t c1,Double_t c2)
db6722a5 436{
437 //
438 //Add aGrid1 and aGrid2 and deposit the result into the current one
439 //
440
441 if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){
442 AliInfo("Different number of variables, cannot add the grids");
443 return;
444 }
db6722a5 445
446 if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2();
447
448
449 fData->Reset();
450 fData->Add(((AliCFGridSparse*)aGrid1)->GetGrid(),c1);
451 fData->Add(((AliCFGridSparse*)aGrid2)->GetGrid(),c2);
452
453}
454
455//____________________________________________________________________
9be0fa4e 456void AliCFGridSparse::Multiply(const AliCFVGrid* aGrid, Double_t c)
db6722a5 457{
458 //
459 // Multiply aGrid to the current one
460 //
461
462
463 if(aGrid->GetNVar()!=fNVar){
464 AliInfo("Different number of variables, cannot multiply the grids");
465 return;
466 }
db6722a5 467
468 if(!fSumW2 && aGrid->GetSumW2())SumW2();
469
470 THnSparse *h= ((AliCFGridSparse*)aGrid)->GetGrid();
471
472 fData->Multiply(h);
473 fData->Scale(c);
474
475}
476
477//____________________________________________________________________
9be0fa4e 478void AliCFGridSparse::Multiply(const AliCFVGrid* aGrid1, const AliCFVGrid* aGrid2, Double_t c1,Double_t c2)
db6722a5 479{
480 //
481 //Multiply aGrid1 and aGrid2 and deposit the result into the current one
482 //
483
484 if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){
485 AliInfo("Different number of variables, cannot multiply the grids");
486 return;
487 }
db6722a5 488
489 if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2();
490
491
492 fData->Reset();
493 THnSparse *h1= ((AliCFGridSparse*)aGrid1)->GetGrid();
494 THnSparse *h2= ((AliCFGridSparse*)aGrid2)->GetGrid();
495 h2->Multiply(h1);
496 h2->Scale(c1*c2);
497 fData->Add(h2);
498}
499
500
501
502//____________________________________________________________________
9be0fa4e 503void AliCFGridSparse::Divide(const AliCFVGrid* aGrid, Double_t c)
db6722a5 504{
505 //
506 // Divide aGrid to the current one
507 //
508
509
510 if(aGrid->GetNVar()!=fNVar){
511 AliInfo("Different number of variables, cannot divide the grids");
512 return;
513 }
db6722a5 514
515 if(!fSumW2 && aGrid->GetSumW2())SumW2();
516
517 THnSparse *h= ((AliCFGridSparse*)aGrid)->GetGrid();
518
519 fData->Divide(h);
520 fData->Scale(c);
521
522}
523
524//____________________________________________________________________
9be0fa4e 525void AliCFGridSparse::Divide(const AliCFVGrid* aGrid1, const AliCFVGrid* aGrid2, Double_t c1,Double_t c2, Option_t *option)
db6722a5 526{
527 //
528 //Divide aGrid1 and aGrid2 and deposit the result into the current one
529 //bynomial errors are supported
530 //
531
532 if(fNVar!=aGrid1->GetNVar()|| fNVar!=aGrid2->GetNVar()){
533 AliInfo("Different number of variables, cannot divide the grids");
534 return;
535 }
9be0fa4e 536// if(fNDim!=aGrid1->GetNDim()|| fNDim!=aGrid2->GetNDim()){
537// AliInfo("Different number of dimensions, cannot divide the grids!");
538// return;
539// }
db6722a5 540
541 if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2()))SumW2();
542
543
544 THnSparse *h1= ((AliCFGridSparse*)aGrid1)->GetGrid();
545 THnSparse *h2= ((AliCFGridSparse*)aGrid2)->GetGrid();
546 fData->Divide(h1,h2,c1,c2,option);
547}
548
549
550//____________________________________________________________________
7411edfd 551void AliCFGridSparse::Rebin(const Int_t* group)
552{
553 //
554 // rebin the grid according to Rebin() as in THnSparse
555 // Please notice that the original number of bins on
556 // a given axis has to be divisible by the rebin group.
557 //
558
559 for(Int_t i=0;i<fNVar;i++){
560 if(group[i]!=1)AliInfo(Form(" merging bins along dimension %i in groups of %i bins", i,group[i]));
561 }
562
563 THnSparse *rebinned =fData->Rebin(group);
564 fData->Reset();
565 fData = rebinned;
566
567 //redefine the needed stuff
568
569 Int_t ndimTot=1;
570 Int_t nbinTot=0;
571
572 //number of bins in each dimension, auxiliary variables
573
574 for(Int_t ivar=0;ivar<fNVar;ivar++){
575 Int_t nbins = fData->GetAxis(ivar)->GetNbins();
576 fNVarBins[ivar]=nbins;
577 ndimTot*=fNVarBins[ivar];
578 nbinTot+=(fNVarBins[ivar]+1);
579 Int_t offset=0;
580 for(Int_t i =0;i<ivar;i++)offset+=(fNVarBins[i]+1);
581 fOffset[ivar]=offset;
582 Int_t prod=1;
583 for(Int_t i=0;i<ivar;i++)prod*=fNVarBins[i];
584 fProduct[ivar]=prod;
585 }
586
587 fNDim=ndimTot;
588
589 //now the array of bin limits
590
591 delete fVarBinLimits;
592 fNVarBinLimits=nbinTot;
593 fVarBinLimits=new Double_t[fNVarBinLimits];
594
595 for(Int_t ivar=0;ivar<fNVar;ivar++){
596 Double_t low = fData->GetAxis(ivar)->GetXmin();
597 Double_t high = fData->GetAxis(ivar)->GetXmax();
598 const TArrayD *xbins = fData->GetAxis(ivar)->GetXbins();
599 if (xbins->fN == 0){
600 for(Int_t ibin=0;ibin<=fNVarBins[ivar];ibin++){
601 fVarBinLimits[ibin+fOffset[ivar]] = low + ibin*(high-low)/((Double_t) fNVarBins[ivar]);
602 }
603 }
604 else{
605
606 for(Int_t ibin=0;ibin<=fNVarBins[ivar];ibin++) {
607 fVarBinLimits[ibin+fOffset[ivar]] = xbins->At(ibin);
608 }
609 }
610 }
611
612}
613//____________________________________________________________________
db6722a5 614void AliCFGridSparse::Copy(TObject& c) const
615{
616 //
617 // copy function
618 //
619 AliCFGridSparse& target = (AliCFGridSparse &) c;
620
621 if(fData)target.fData = fData;
622}
623
c8df672e 624//____________________________________________________________________
625TH1D* AliCFGridSparse::Slice(Int_t iVar, Double_t *varMin, Double_t *varMax) const
626{
627 //
628 // return a slice (1D-projection) on variable iVar while axis ranges are defined with varMin,varMax
629 // arrays varMin and varMax contain the min and max values of each variable.
630 // therefore varMin and varMax must have their dimensions equal to fNVar
631 //
632
633 THnSparse* clone = (THnSparse*)fData->Clone();
634 for (Int_t iAxis=0; iAxis<fNVar; iAxis++) {
635 clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
636 }
637 return clone->Projection(iVar);
638}
639
640//____________________________________________________________________
641TH2D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, Double_t *varMin, Double_t *varMax) const
642{
643 //
644 // return a slice (2D-projection) on variables iVar1 and iVar2 while axis ranges are defined with varMin,varMax
645 // arrays varMin and varMax contain the min and max values of each variable.
646 // therefore varMin and varMax must have their dimensions equal to fNVar
647 //
648
649 THnSparse* clone = (THnSparse*)fData->Clone();
650 for (Int_t iAxis=0; iAxis<fNVar; iAxis++) {
651 clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
652 }
653 return clone->Projection(iVar1,iVar2);
654}
655
656//____________________________________________________________________
657TH3D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, Int_t iVar3, Double_t *varMin, Double_t *varMax) const
658{
659 //
660 // return a slice (3D-projection) on variables iVar1, iVar2 and iVar3 while axis ranges are defined with varMin,varMax
661 // arrays varMin and varMax contain the min and max values of each variable.
662 // therefore varMin and varMax must have their dimensions equal to fNVar
663 //
664
665 THnSparse* clone = (THnSparse*)fData->Clone();
666 for (Int_t iAxis=0; iAxis<fNVar; iAxis++) {
667 clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
668 }
669 return clone->Projection(iVar1,iVar2,iVar3);
670}
671
672//____________________________________________________________________
9105291d 673void AliCFGridSparse::SetRangeUser(Int_t iVar, Double_t varMin, Double_t varMax) {
674 //
675 // set range of axis iVar.
676 //
677 fData->GetAxis(iVar)->SetRangeUser(varMin,varMax);
678 AliWarning(Form("THnSparse axis %d range has been modified",iVar));
679}
680
681//____________________________________________________________________
c8df672e 682void AliCFGridSparse::SetRangeUser(Double_t *varMin, Double_t *varMax) {
683 //
684 // set range of every axis. varMin and varMax must be of dimension fNVar
685 //
686 for (Int_t iAxis=0; iAxis<fNVar ; iAxis++) { // set new range for every axis
9105291d 687 SetRangeUser(iAxis,varMin[iAxis],varMax[iAxis]);
c8df672e 688 }
9105291d 689 AliWarning("THnSparse axes ranges have been modified");
690}
691
692//____________________________________________________________________
693void AliCFGridSparse::UseAxisRange(Bool_t b) const {
694 for (Int_t iAxis=0; iAxis<fNVar; iAxis++) fData->GetAxis(iAxis)->SetBit(TAxis::kAxisRange,b);
c8df672e 695}