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Small fix es in SDD survey (Martin Poghosyan)
[u/mrichter/AliRoot.git] / CORRFW / AliCFGridSparse.cxx
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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 AliCFFrame(),
43 fSumW2(kFALSE),
44 fData(0x0)
45{
46 // default constructor
47}
48//____________________________________________________________________
49AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title) :
50 AliCFFrame(name,title),
51 fSumW2(kFALSE),
52 fData(0x0)
53{
54 // default constructor
55}
56//____________________________________________________________________
57AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title, Int_t nVarIn, const Int_t * nBinIn) :
58 AliCFFrame(name,title),
59 fSumW2(kFALSE),
60 fData(0x0)
61{
62 //
63 // main constructor
64 //
65
66 fData = new THnSparseF(name,title,nVarIn,nBinIn);
67}
68
69//____________________________________________________________________
70AliCFGridSparse::~AliCFGridSparse()
71{
72 //
73 // destructor
74 //
75 if (fData) delete fData;
76}
77
78//____________________________________________________________________
79AliCFGridSparse::AliCFGridSparse(const AliCFGridSparse& c) :
80 AliCFFrame(c),
81 fSumW2(kFALSE),
82 fData(0x0)
83{
84 //
85 // copy constructor
86 //
87 ((AliCFGridSparse &)c).Copy(*this);
88}
89
90//____________________________________________________________________
91AliCFGridSparse& AliCFGridSparse::operator=(const AliCFGridSparse &c)
92{
93 //
94 // assigment operator
95 //
96 if (this != &c) c.Copy(*this);
97 return *this;
98}
99
100//____________________________________________________________________
101void AliCFGridSparse::SetBinLimits(Int_t ivar, Double_t min, Double_t max)
102{
103 //
104 // set a uniform binning for variable ivar
105 //
106 Int_t nBins = GetNBins(ivar);
107 Double_t * array = new Double_t[nBins+1];
108 for (Int_t iEdge=0; iEdge<=nBins; iEdge++) array[iEdge] = min + iEdge * (max-min)/nBins ;
109 fData->SetBinEdges(ivar, array);
110 delete [] array ;
111}
112
113//____________________________________________________________________
114void AliCFGridSparse::SetBinLimits(Int_t ivar, const Double_t *array)
115{
116 //
117 // setting the arrays containing the bin limits
118 //
119 fData->SetBinEdges(ivar, array);
120}
121
122//____________________________________________________________________
123void AliCFGridSparse::Fill(const Double_t *var, Double_t weight)
124{
125 //
126 // Fill the grid,
127 // given a set of values of the input variable,
128 // with weight (by default w=1)
129 //
130 fData->Fill(var,weight);
131}
132
133//___________________________________________________________________
134TH1D *AliCFGridSparse::Project(Int_t ivar) const
135{
136 //
137 // Make a 1D projection along variable ivar
138 //
139
140 TH1D *hist=fData->Projection(ivar);
141 hist->SetXTitle(GetVarTitle(ivar));
142 hist->SetName(Form("%s_proj-%s",GetName(),GetVarTitle(ivar)));
143 hist->SetTitle(Form("%s: projection on %s",GetTitle(),GetVarTitle(ivar)));
144 for (Int_t iBin=1; iBin<=GetNBins(ivar); iBin++) {
145 TString binLabel = GetAxis(ivar)->GetBinLabel(iBin) ;
146 if (binLabel.CompareTo("") != 0) hist->GetXaxis()->SetBinLabel(iBin,binLabel);
147 }
148 return hist;
149}
150//___________________________________________________________________
151TH2D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2) const
152{
153 //
154 // Make a 2D projection along variables ivar1 & ivar2
155 //
156
157 TH2D *hist=fData->Projection(ivar2,ivar1); //notice inverted axis (THnSparse uses TH3 2d-projection convention...)
158 hist->SetXTitle(GetVarTitle(ivar1));
159 hist->SetYTitle(GetVarTitle(ivar2));
160 hist->SetName(Form("%s_proj-%s,%s",GetName(),GetVarTitle(ivar1),GetVarTitle(ivar2)));
161 hist->SetTitle(Form("%s: projection on %s-%s",GetTitle(),GetVarTitle(ivar1),GetVarTitle(ivar2)));
162 for (Int_t iBin=1; iBin<=GetNBins(ivar1); iBin++) {
163 TString binLabel = GetAxis(ivar1)->GetBinLabel(iBin) ;
164 if (binLabel.CompareTo("") != 0) hist->GetXaxis()->SetBinLabel(iBin,binLabel);
165 }
166 for (Int_t iBin=1; iBin<=GetNBins(ivar2); iBin++) {
167 TString binLabel = GetAxis(ivar2)->GetBinLabel(iBin) ;
168 if (binLabel.CompareTo("") != 0) hist->GetYaxis()->SetBinLabel(iBin,binLabel);
169 }
170 return hist;
171}
172//___________________________________________________________________
173TH3D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2, Int_t ivar3) const
174{
175 //
176 // Make a 3D projection along variables ivar1 & ivar2 & ivar3
177 //
178
179 TH3D *hist=fData->Projection(ivar1,ivar2,ivar3);
180 hist->SetXTitle(GetVarTitle(ivar1));
181 hist->SetYTitle(GetVarTitle(ivar2));
182 hist->SetZTitle(GetVarTitle(ivar3));
183 hist->SetName(Form("%s_proj-%s,%s,%s",GetName(),GetVarTitle(ivar1),GetVarTitle(ivar2),GetVarTitle(ivar3)));
184 hist->SetTitle(Form("%s: projection on %s-%s-%s",GetTitle(),GetVarTitle(ivar1),GetVarTitle(ivar2),GetVarTitle(ivar3)));
185 for (Int_t iBin=1; iBin<=GetNBins(ivar1); iBin++) {
186 TString binLabel = GetAxis(ivar1)->GetBinLabel(iBin) ;
187 if (binLabel.CompareTo("") != 0) hist->GetXaxis()->SetBinLabel(iBin,binLabel);
188 }
189 for (Int_t iBin=1; iBin<=GetNBins(ivar2); iBin++) {
190 TString binLabel = GetAxis(ivar2)->GetBinLabel(iBin) ;
191 if (binLabel.CompareTo("") != 0) hist->GetYaxis()->SetBinLabel(iBin,binLabel);
192 }
193 for (Int_t iBin=1; iBin<=GetNBins(ivar3); iBin++) {
194 TString binLabel = GetAxis(ivar3)->GetBinLabel(iBin) ;
195 if (binLabel.CompareTo("") != 0) hist->GetZaxis()->SetBinLabel(iBin,binLabel);
196 }
197 return hist;
198}
199
200//___________________________________________________________________
201AliCFGridSparse* AliCFGridSparse::Project(Int_t nVars, const Int_t* vars, const Double_t* varMin, const Double_t* varMax, Bool_t useBins) const
202{
203 //
204 // projects the grid on the nVars dimensions defined in vars.
205 // axis ranges can be defined in arrays varMin, varMax
206 // If useBins=true, varMin and varMax are taken as bin numbers
207 //
208
209 // binning for new grid
210 Int_t* bins = new Int_t[nVars];
211 for (Int_t iVar=0; iVar<nVars; iVar++) {
212 bins[iVar] = GetNBins(vars[iVar]);
213 }
214
215 // create new grid sparse
216 AliCFGridSparse* out = new AliCFGridSparse(fName,fTitle,nVars,bins);
217
218 //set the range in the THnSparse to project
219 THnSparse* clone = ((THnSparse*)fData->Clone());
220 if (varMin && varMax) {
221 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
222 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
223 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
224 }
225 }
226 else AliInfo("Keeping same axis ranges");
227
228 out->SetGrid(clone->Projection(nVars,vars));
229 delete [] bins;
230 return out;
231}
232
233
234//____________________________________________________________________
235Float_t AliCFGridSparse::GetBinCenter(Int_t ivar, Int_t ibin) const
236{
237 //
238 // Returns the center of specified bin for variable axis ivar
239 //
240
241 return (Float_t) fData->GetAxis(ivar)->GetBinCenter(ibin);
242}
243
244//____________________________________________________________________
245Float_t AliCFGridSparse::GetBinSize(Int_t ivar, Int_t ibin) const
246{
247 //
248 // Returns the size of specified bin for variable axis ivar
249 //
250
251 return (Float_t) fData->GetAxis(ivar)->GetBinUpEdge(ibin) - fData->GetAxis(ivar)->GetBinLowEdge(ibin);
252}
253
254//____________________________________________________________________
255Float_t AliCFGridSparse::GetEntries() const
256{
257 //
258 // total entries (including overflows and underflows)
259 //
260
261 return fData->GetEntries();
262}
263
264//____________________________________________________________________
265Float_t AliCFGridSparse::GetElement(Long_t index) const
266{
267 //
268 // Returns content of grid element index
269 //
270
271 return fData->GetBinContent(index);
272}
273//____________________________________________________________________
274Float_t AliCFGridSparse::GetElement(const Int_t *bin) const
275{
276 //
277 // Get the content in a bin corresponding to a set of bin indexes
278 //
279 return fData->GetBinContent(bin);
280
281}
282//____________________________________________________________________
283Float_t AliCFGridSparse::GetElement(const Double_t *var) const
284{
285 //
286 // Get the content in a bin corresponding to a set of input variables
287 //
288
289 Long_t index = fData->GetBin(var,kFALSE);
290 if (index<0) return 0.;
291 return fData->GetBinContent(index);
292}
293
294//____________________________________________________________________
295Float_t AliCFGridSparse::GetElementError(Long_t index) const
296{
297 //
298 // Returns the error on the content
299 //
300
301 return fData->GetBinContent(index);
302}
303//____________________________________________________________________
304Float_t AliCFGridSparse::GetElementError(const Int_t *bin) const
305{
306 //
307 // Get the error in a bin corresponding to a set of bin indexes
308 //
309 return fData->GetBinError(bin);
310
311}
312//____________________________________________________________________
313Float_t AliCFGridSparse::GetElementError(const Double_t *var) const
314{
315 //
316 // Get the error in a bin corresponding to a set of input variables
317 //
318
319 Long_t index=fData->GetBin(var,kFALSE); //this is the THnSparse index (do not allocate new cells if content is empy)
320 if (index<0) return 0.;
321 return fData->GetBinError(index);
322}
323
324//____________________________________________________________________
325void AliCFGridSparse::SetElement(Long_t index, Float_t val)
326{
327 //
328 // Sets grid element value
329 //
330 Int_t* bin = new Int_t[GetNVar()];
331 fData->GetBinContent(index,bin); //affects the bin coordinates
332 SetElement(bin,val);
333 delete [] bin ;
334}
335
336//____________________________________________________________________
337void AliCFGridSparse::SetElement(const Int_t *bin, Float_t val)
338{
339 //
340 // Sets grid element of bin indeces bin to val
341 //
342 fData->SetBinContent(bin,val);
343}
344//____________________________________________________________________
345void AliCFGridSparse::SetElement(const Double_t *var, Float_t val)
346{
347 //
348 // Set the content in a bin to value val corresponding to a set of input variables
349 //
350 Long_t index=fData->GetBin(var,kTRUE); //THnSparse index: allocate the cell
351 Int_t *bin = new Int_t[GetNVar()];
352 fData->GetBinContent(index,bin); //trick to access the array of bins
353 SetElement(bin,val);
354 delete [] bin;
355}
356
357//____________________________________________________________________
358void AliCFGridSparse::SetElementError(Long_t index, Float_t val)
359{
360 //
361 // Sets grid element iel error to val (linear indexing) in AliCFFrame
362 //
363 Int_t *bin = new Int_t[GetNVar()];
364 fData->GetBinContent(index,bin);
365 SetElementError(bin,val);
366 delete [] bin;
367}
368
369//____________________________________________________________________
370void AliCFGridSparse::SetElementError(const Int_t *bin, Float_t val)
371{
372 //
373 // Sets grid element error of bin indeces bin to val
374 //
375 fData->SetBinError(bin,val);
376}
377//____________________________________________________________________
378void AliCFGridSparse::SetElementError(const Double_t *var, Float_t val)
379{
380 //
381 // Set the error in a bin to value val corresponding to a set of input variables
382 //
383 Long_t index=fData->GetBin(var); //THnSparse index
384 Int_t *bin = new Int_t[GetNVar()];
385 fData->GetBinContent(index,bin); //trick to access the array of bins
386 SetElementError(bin,val);
387 delete [] bin;
388}
389
390//____________________________________________________________________
391void AliCFGridSparse::SumW2()
392{
393 //
394 //set calculation of the squared sum of the weighted entries
395 //
396 if(!fSumW2){
397 fData->CalculateErrors(kTRUE);
398 }
399 fSumW2=kTRUE;
400}
401
402//____________________________________________________________________
403void AliCFGridSparse::Add(const AliCFGridSparse* aGrid, Double_t c)
404{
405 //
406 //add aGrid to the current one
407 //
408
409 if (aGrid->GetNVar() != GetNVar()){
410 AliError("Different number of variables, cannot add the grids");
411 return;
412 }
413
414 if (!fSumW2 && aGrid->GetSumW2()) SumW2();
415 fData->Add(aGrid->GetGrid(),c);
416}
417
418//____________________________________________________________________
419void AliCFGridSparse::Add(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2)
420{
421 //
422 //Add aGrid1 and aGrid2 and deposit the result into the current one
423 //
424
425 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
426 AliInfo("Different number of variables, cannot add the grids");
427 return;
428 }
429
430 if (!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
431
432 fData->Reset();
433 fData->Add(aGrid1->GetGrid(),c1);
434 fData->Add(aGrid2->GetGrid(),c2);
435}
436
437//____________________________________________________________________
438void AliCFGridSparse::Multiply(const AliCFGridSparse* aGrid, Double_t c)
439{
440 //
441 // Multiply aGrid to the current one
442 //
443
444 if (aGrid->GetNVar() != GetNVar()) {
445 AliError("Different number of variables, cannot multiply the grids");
446 return;
447 }
448
449 if(!fSumW2 && aGrid->GetSumW2()) SumW2();
450 THnSparse *h = aGrid->GetGrid();
451 fData->Multiply(h);
452 fData->Scale(c);
453}
454
455//____________________________________________________________________
456void AliCFGridSparse::Multiply(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2)
457{
458 //
459 //Multiply aGrid1 and aGrid2 and deposit the result into the current one
460 //
461
462 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
463 AliError("Different number of variables, cannot multiply the grids");
464 return;
465 }
466
467 if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
468
469 fData->Reset();
470 THnSparse *h1 = aGrid1->GetGrid();
471 THnSparse *h2 = aGrid2->GetGrid();
472 h2->Multiply(h1);
473 h2->Scale(c1*c2);
474 fData->Add(h2);
475}
476
477//____________________________________________________________________
478void AliCFGridSparse::Divide(const AliCFGridSparse* aGrid, Double_t c)
479{
480 //
481 // Divide aGrid to the current one
482 //
483
484 if (aGrid->GetNVar() != GetNVar()) {
485 AliError("Different number of variables, cannot divide the grids");
486 return;
487 }
488
489 if (!fSumW2 && aGrid->GetSumW2()) SumW2();
490
491 THnSparse *h1 = aGrid->GetGrid();
492 THnSparse *h2 = (THnSparse*)fData->Clone();
493 fData->Divide(h2,h1);
494 fData->Scale(c);
495}
496
497//____________________________________________________________________
498void AliCFGridSparse::Divide(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2, Option_t *option)
499{
500 //
501 //Divide aGrid1 and aGrid2 and deposit the result into the current one
502 //binomial errors are supported
503 //
504
505 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
506 AliError("Different number of variables, cannot divide the grids");
507 return;
508 }
509
510 if (!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
511
512 THnSparse *h1= aGrid1->GetGrid();
513 THnSparse *h2= aGrid2->GetGrid();
514 fData->Divide(h1,h2,c1,c2,option);
515}
516
517
518//____________________________________________________________________
519void AliCFGridSparse::Rebin(const Int_t* group)
520{
521 //
522 // rebin the grid according to Rebin() as in THnSparse
523 // Please notice that the original number of bins on
524 // a given axis has to be divisible by the rebin group.
525 //
526
527 for(Int_t i=0;i<GetNVar();i++){
528 if (group[i]!=1) AliInfo(Form(" merging bins along dimension %i in groups of %i bins", i,group[i]));
529 }
530
531 THnSparse *rebinned =fData->Rebin(group);
532 fData->Reset();
533 fData = rebinned;
534}
535//____________________________________________________________________
536void AliCFGridSparse::Scale(Long_t index, const Double_t *fact)
537{
538 //
539 //scale content of a certain cell by (positive) fact (with error)
540 //
541
542 if (GetElement(index)==0 || fact[0]==0) return;
543
544 Double_t in[2], out[2];
545 in[0]=GetElement(index);
546 in[1]=GetElementError(index);
547 GetScaledValues(fact,in,out);
548 SetElement(index,out[0]);
549 if (fSumW2) SetElementError(index,out[1]);
550}
551//____________________________________________________________________
552void AliCFGridSparse::Scale(const Int_t *bin, const Double_t *fact)
553{
554 //
555 //scale content of a certain cell by (positive) fact (with error)
556 //
557 if(GetElement(bin)==0 || fact[0]==0)return;
558
559 Double_t in[2], out[2];
560 in[0]=GetElement(bin);
561 in[1]=GetElementError(bin);
562 GetScaledValues(fact,in,out);
563 SetElement(bin,out[0]);
564 if(fSumW2)SetElementError(bin,out[1]);
565
566}
567//____________________________________________________________________
568void AliCFGridSparse::Scale(const Double_t *var, const Double_t *fact)
569{
570 //
571 //scale content of a certain cell by (positive) fact (with error)
572 //
573 if(GetElement(var)==0 || fact[0]==0)return;
574
575 Double_t in[2], out[2];
576 in[0]=GetElement(var);
577 in[1]=GetElementError(var);
578 GetScaledValues(fact,in,out);
579 SetElement(var,out[0]);
580 if(fSumW2)SetElementError(var,out[1]);
581
582}
583//____________________________________________________________________
584void AliCFGridSparse::Scale(const Double_t* fact)
585{
586 //
587 //scale contents of the whole grid by fact
588 //
589
590 for (Long_t iel=0; iel<GetNFilledBins(); iel++) {
591 Scale(iel,fact);
592 }
593}
594//____________________________________________________________________
595Long_t AliCFGridSparse::GetEmptyBins() const {
596 //
597 // Get empty bins
598 //
599
600 return (GetNBinsTotal() - GetNFilledBins()) ;
601}
602
603//_____________________________________________________________________
604// Int_t AliCFGridSparse::GetEmptyBins( Double_t *varMin, Double_t* varMax ) const
605// {
606// //
607// // Get empty bins in a range specified by varMin and varMax
608// //
609
610// Int_t *indexMin = new Int_t[GetNVar()];
611// Int_t *indexMax = new Int_t[GetNVar()];
612
613// //Find out the min and max bins
614
615// for (Int_t i=0;i<GetNVar();i++) {
616// Double_t xmin=varMin[i]; // the min values
617// Double_t xmax=varMax[i]; // the min values
618// Int_t nbins = fData->GetAxis(i)->GetNbins()+1;
619// Double_t *bins=new Double_t[nbins];
620// for(Int_t ibin =0;ibin<nbins;ibin++){
621// bins[ibin] = fVarBinLimits[ibin+fOffset[i]];
622// }
623// indexMin[i] = TMath::BinarySearch(nbins,bins,xmin);
624// indexMax[i] = TMath::BinarySearch(nbins,bins,xmax);
625// delete [] bins;
626// }
627
628// Int_t val=0;
629// for(Int_t i=0;i<fNDim;i++){
630// for (Int_t j=0;j<GetNVar();j++)fIndex[j]=GetBinIndex(j,i);
631// Bool_t isIn=kTRUE;
632// for (Int_t j=0;j<GetNVar();j++){
633// if(!(fIndex[j]>=indexMin[j] && fIndex[j]<=indexMax[j]))isIn=kFALSE;
634// }
635// if(isIn && GetElement(i)<=0)val++;
636// }
637// AliInfo(Form(" the empty bins = %i ",val));
638
639// delete [] indexMin;
640// delete [] indexMax;
641// return val;
642// }
643
644//____________________________________________________________________
645Int_t AliCFGridSparse::CheckStats(Double_t thr) const
646{
647 //
648 // Count the cells below a certain threshold
649 //
650 Int_t ncellsLow=0;
651 for (Int_t i=0; i<GetNBinsTotal(); i++) {
652 if (GetElement(i)<thr) ncellsLow++;
653 }
654 return ncellsLow;
655}
656
657//_____________________________________________________________________
658Double_t AliCFGridSparse::GetIntegral() const
659{
660 //
661 // Get full Integral
662 //
663 return fData->ComputeIntegral();
664}
665
666//_____________________________________________________________________
667// Double_t AliCFGridSparse::GetIntegral(Int_t *binMin, Int_t* binMax ) const
668// {
669// //
670// // Get Integral in a range of bin indeces (extremes included)
671// //
672
673// Double_t val=0;
674
675// for(Int_t i=0;i<GetNVar();i++){
676// if(binMin[i]<1)binMin[i]=1;
677// if(binMax[i]>fNVarBins[i])binMax[i]=fNVarBins[i];
678// if((binMin[i]>binMax[i])){
679// AliInfo(Form(" Bin indices in variable %i in reverse order, please check!", i));
680// return val;
681// }
682// }
683// val=GetSum(0,binMin,binMax);
684
685// return val;
686// }
687
688//_____________________________________________________________________
689// Double_t AliCFGridSparse::GetIntegral(Double_t *varMin, Double_t* varMax ) const
690// {
691// //
692// // Get Integral in a range (extremes included)
693// //
694
695// Int_t *indexMin=new Int_t[GetNVar()];
696// Int_t *indexMax=new Int_t[GetNVar()];
697
698// //Find out the min and max bins
699
700// for(Int_t i=0;i<GetNVar();i++){
701// Double_t xmin=varMin[i]; // the min values
702// Double_t xmax=varMax[i]; // the min values
703// Int_t nbins=fNVarBins[i]+1;
704// Double_t *bins=new Double_t[nbins];
705// for(Int_t ibin =0;ibin<nbins;ibin++){
706// bins[ibin] = fVarBinLimits[ibin+fOffset[i]];
707// }
708// indexMin[i] = TMath::BinarySearch(nbins,bins,xmin);
709// indexMax[i] = TMath::BinarySearch(nbins,bins,xmax);
710// delete [] bins;
711// }
712
713// //move to the TH/THnSparse convention in N-dim bin numbering
714// for(Int_t i=0;i<GetNVar();i++){
715// indexMin[i]+=1;
716// indexMax[i]+=1;
717// }
718
719// Double_t val=GetIntegral(indexMin,indexMax);
720
721// delete [] indexMin;
722// delete [] indexMax;
723
724// return val;
725// }
726
727// //_____________________________________________________________________
728// Double_t AliCFGridSparse::GetSum(Int_t ivar, Int_t *binMin, Int_t* binMax) const
729// {
730// //
731// // recursively add over nested loops....
732// //
733
734// static Double_t val;
735// if (ivar==0) val=0.;
736// for(Int_t ibin=binMin[ivar]-1 ; ibin<=binMax[ivar]-1 ; ibin++){
737// //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame
738// fIndex[ivar]=ibin;
739// if(ivar<GetNVar()-1) {
740// val=GetSum(ivar+1,binMin,binMax);
741// }
742// else {
743// Int_t iel=GetBinIndex(fIndex);
744// val+=GetElement(iel);
745// }
746// }
747
748// return val;
749// }
750
751//____________________________________________________________________
752Long64_t AliCFGridSparse::Merge(TCollection* list)
753{
754 //
755 // Merge a list of AliCFGridSparse with this (needed for PROOF).
756 // Returns the number of merged objects (including this).
757 //
758
759 if (!list)
760 return 0;
761
762 if (list->IsEmpty())
763 return 1;
764
765 TIterator* iter = list->MakeIterator();
766 TObject* obj;
767
768 Int_t count = 0;
769 while ((obj = iter->Next())) {
770 AliCFGridSparse* entry = dynamic_cast<AliCFGridSparse*> (obj);
771 if (entry == 0)
772 continue;
773 this->Add(entry);
774 count++;
775 }
776
777 return count+1;
778}
779
780//____________________________________________________________________
781void AliCFGridSparse::GetScaledValues(const Double_t *fact, const Double_t *in, Double_t *out) const{
782 //
783 // scale input *in and its error by (positive) fact (with error)
784 // and erite it to *out
785 //
786 out[0]=in[0]*fact[0];
787 out[1]=TMath::Sqrt(in[1]*in[1]/in[0]/in[0]
788 +fact[1]*fact[1]/fact[0]/fact[0])*out[0];
789
790}
791
792//____________________________________________________________________
793void AliCFGridSparse::Copy(TObject& c) const
794{
795 //
796 // copy function
797 //
798 AliCFFrame::Copy(c);
799 AliCFGridSparse& target = (AliCFGridSparse &) c;
800 target.fSumW2 = fSumW2 ;
801 if (fData) {
802 target.fData = (THnSparse*)fData->Clone();
803 }
804}
805
806//____________________________________________________________________
807TH1D* AliCFGridSparse::Slice(Int_t iVar, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
808{
809 //
810 // return a slice (1D-projection) on variable iVar while axis ranges are defined with varMin,varMax
811 // arrays varMin and varMax contain the min and max values of each variable.
812 // therefore varMin and varMax must have their dimensions equal to GetNVar()
813 // If useBins=true, varMin and varMax are taken as bin numbers
814
815 THnSparse* clone = (THnSparse*)fData->Clone();
816 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
817 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
818 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
819 }
820
821 TH1D* projection = 0x0 ;
822
823 TObject* objInMem = gROOT->FindObject(Form("%s_proj_%d",clone->GetName(),iVar)) ;
824 if (objInMem) {
825 TString name(objInMem->ClassName());
826 if (name.CompareTo("TH1D")==0) projection = (TH1D*) objInMem ;
827 else projection = clone->Projection(iVar);
828 }
829 else projection = clone->Projection(iVar);
830 delete clone;
831 for (Int_t iBin=1; iBin<=GetNBins(iVar); iBin++) {
832 TString binLabel = GetAxis(iVar)->GetBinLabel(iBin) ;
833 if (binLabel.CompareTo("") != 0) projection->GetXaxis()->SetBinLabel(iBin,binLabel);
834 }
835 return projection ;
836}
837
838//____________________________________________________________________
839TH2D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
840{
841 //
842 // return a slice (2D-projection) on variables iVar1 and iVar2 while axis ranges are defined with varMin,varMax
843 // arrays varMin and varMax contain the min and max values of each variable.
844 // therefore varMin and varMax must have their dimensions equal to GetNVar()
845 // If useBins=true, varMin and varMax are taken as bin numbers
846
847 THnSparse* clone = (THnSparse*)fData->Clone();
848 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
849 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
850 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
851 }
852
853 TH2D* projection = 0x0 ;
854
855 TObject* objInMem = gROOT->FindObject(Form("%s_proj_%d_%d",clone->GetName(),iVar2,iVar1)) ;
856 if (objInMem) {
857 TString name(objInMem->ClassName());
858 if (name.CompareTo("TH2D")==0) projection = (TH2D*) objInMem ;
859 else projection = clone->Projection(iVar1,iVar2);
860 }
861 else projection = clone->Projection(iVar1,iVar2);
862 delete clone;
863 for (Int_t iBin=1; iBin<=GetNBins(iVar1); iBin++) {
864 TString binLabel = GetAxis(iVar1)->GetBinLabel(iBin) ;
865 if (binLabel.CompareTo("") != 0) projection->GetXaxis()->SetBinLabel(iBin,binLabel);
866 }
867 for (Int_t iBin=1; iBin<=GetNBins(iVar2); iBin++) {
868 TString binLabel = GetAxis(iVar2)->GetBinLabel(iBin) ;
869 if (binLabel.CompareTo("") != 0) projection->GetYaxis()->SetBinLabel(iBin,binLabel);
870 }
871 return projection ;
872}
873
874//____________________________________________________________________
875TH3D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, Int_t iVar3, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
876{
877 //
878 // return a slice (3D-projection) on variables iVar1, iVar2 and iVar3 while axis ranges are defined with varMin,varMax
879 // arrays varMin and varMax contain the min and max values of each variable.
880 // therefore varMin and varMax must have their dimensions equal to GetNVar()
881 // If useBins=true, varMin and varMax are taken as bin numbers
882
883 THnSparse* clone = (THnSparse*)fData->Clone();
884 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
885 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
886 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
887 }
888
889 TH3D* projection = 0x0 ;
890
891 TObject* objInMem = gROOT->FindObject(Form("%s_proj_%d_%d_%d",clone->GetName(),iVar1,iVar2,iVar3)) ;
892 if (objInMem) {
893 TString name(objInMem->ClassName());
894 if (name.CompareTo("TH3D")==0) projection = (TH3D*) objInMem ;
895 else projection = clone->Projection(iVar1,iVar2,iVar3);
896 }
897 else projection = clone->Projection(iVar1,iVar2,iVar3);
898 delete clone;
899 for (Int_t iBin=1; iBin<=GetNBins(iVar1); iBin++) {
900 TString binLabel = GetAxis(iVar1)->GetBinLabel(iBin) ;
901 if (binLabel.CompareTo("") != 0) projection->GetXaxis()->SetBinLabel(iBin,binLabel);
902 }
903 for (Int_t iBin=1; iBin<=GetNBins(iVar2); iBin++) {
904 TString binLabel = GetAxis(iVar2)->GetBinLabel(iBin) ;
905 if (binLabel.CompareTo("") != 0) projection->GetYaxis()->SetBinLabel(iBin,binLabel);
906 }
907 for (Int_t iBin=1; iBin<=GetNBins(iVar3); iBin++) {
908 TString binLabel = GetAxis(iVar3)->GetBinLabel(iBin) ;
909 if (binLabel.CompareTo("") != 0) projection->GetZaxis()->SetBinLabel(iBin,binLabel);
910 }
911 return projection ;
912}
913
914//____________________________________________________________________
915void AliCFGridSparse::SetRangeUser(Int_t iVar, Double_t varMin, Double_t varMax) {
916 //
917 // set range of axis iVar.
918 //
919 fData->GetAxis(iVar)->SetRangeUser(varMin,varMax);
920 AliWarning(Form("THnSparse axis %d range has been modified",iVar));
921}
922
923//____________________________________________________________________
924void AliCFGridSparse::SetRangeUser(const Double_t *varMin, const Double_t *varMax) {
925 //
926 // set range of every axis. varMin and varMax must be of dimension GetNVar()
927 //
928 for (Int_t iAxis=0; iAxis<GetNVar() ; iAxis++) { // set new range for every axis
929 SetRangeUser(iAxis,varMin[iAxis],varMax[iAxis]);
930 }
931 AliWarning("THnSparse axes ranges have been modified");
932}
933
934//____________________________________________________________________
935void AliCFGridSparse::UseAxisRange(Bool_t b) const {
936 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) fData->GetAxis(iAxis)->SetBit(TAxis::kAxisRange,b);
937}
938
939//____________________________________________________________________
940Float_t AliCFGridSparse::GetOverFlows(Int_t ivar, Bool_t exclusive) const
941{
942 //
943 // Returns overflows in variable ivar
944 // Set 'exclusive' to true for an exclusive check on variable ivar
945 //
946 Int_t* bin = new Int_t[GetNVar()];
947 memset(bin, 0, sizeof(Int_t) * GetNVar());
948 Float_t ovfl=0.;
949 for (Long64_t i = 0; i < fData->GetNbins(); i++) {
950 Double_t v = fData->GetBinContent(i, bin);
951 Bool_t add=kTRUE;
952 if (exclusive) {
953 for(Int_t j=0;j<GetNVar();j++){
954 if(ivar==j)continue;
955 if((bin[j]==0) || (bin[j]==GetNBins(j)+1))add=kFALSE;
956 }
957 }
958 if(bin[ivar]==GetNBins(ivar)+1 && add) ovfl+=v;
959 }
960
961 delete[] bin;
962 return ovfl;
963}
964
965//____________________________________________________________________
966Float_t AliCFGridSparse::GetUnderFlows(Int_t ivar, Bool_t exclusive) const
967{
968 //
969 // Returns exclusive overflows in variable ivar
970 // Set 'exclusive' to true for an exclusive check on variable ivar
971 //
972 Int_t* bin = new Int_t[GetNVar()];
973 memset(bin, 0, sizeof(Int_t) * GetNVar());
974 Float_t unfl=0.;
975 for (Long64_t i = 0; i < fData->GetNbins(); i++) {
976 Double_t v = fData->GetBinContent(i, bin);
977 Bool_t add=kTRUE;
978 if (exclusive) {
979 for(Int_t j=0;j<GetNVar();j++){
980 if(ivar==j)continue;
981 if((bin[j]==0) || (bin[j]==GetNBins(j)+1))add=kFALSE;
982 }
983 }
984 if(bin[ivar]==0 && add) unfl+=v;
985 }
986
987 delete[] bin;
988 return unfl;
989}
990