updated merging function (Michele)
[u/mrichter/AliRoot.git] / CORRFW / AliCFGridSparse.cxx
CommitLineData
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() :
fb494025 42 AliCFFrame(),
43 fSumW2(kFALSE),
db6722a5 44 fData(0x0)
45{
46 // default constructor
47}
48//____________________________________________________________________
49AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title) :
fb494025 50 AliCFFrame(name,title),
51 fSumW2(kFALSE),
db6722a5 52 fData(0x0)
53{
54 // default constructor
55}
56//____________________________________________________________________
fb494025 57AliCFGridSparse::AliCFGridSparse(const Char_t* name, const Char_t* title, Int_t nVarIn, const Int_t * nBinIn) :
58 AliCFFrame(name,title),
59 fSumW2(kFALSE),
db6722a5 60 fData(0x0)
61{
62 //
63 // main constructor
64 //
65
fb494025 66 fData = new THnSparseF(name,title,nVarIn,nBinIn);
db6722a5 67}
fb494025 68
db6722a5 69//____________________________________________________________________
fb494025 70AliCFGridSparse::~AliCFGridSparse()
db6722a5 71{
72 //
fb494025 73 // destructor
db6722a5 74 //
fb494025 75 if (fData) delete fData;
db6722a5 76}
77
78//____________________________________________________________________
fb494025 79AliCFGridSparse::AliCFGridSparse(const AliCFGridSparse& c) :
80 AliCFFrame(c),
81 fSumW2(kFALSE),
82 fData(0x0)
db6722a5 83{
84 //
fb494025 85 // copy constructor
db6722a5 86 //
fb494025 87 ((AliCFGridSparse &)c).Copy(*this);
db6722a5 88}
89
90//____________________________________________________________________
fb494025 91AliCFGridSparse& AliCFGridSparse::operator=(const AliCFGridSparse &c)
db6722a5 92{
93 //
94 // assigment operator
95 //
fb494025 96 if (this != &c) c.Copy(*this);
db6722a5 97 return *this;
98}
99
100//____________________________________________________________________
aa29aca9 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//____________________________________________________________________
fb494025 114void AliCFGridSparse::SetBinLimits(Int_t ivar, const Double_t *array)
db6722a5 115{
116 //
117 // setting the arrays containing the bin limits
118 //
119 fData->SetBinEdges(ivar, array);
db6722a5 120}
121
122//____________________________________________________________________
fb494025 123void AliCFGridSparse::Fill(const Double_t *var, Double_t weight)
db6722a5 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
db6722a5 140 TH1D *hist=fData->Projection(ivar);
fb494025 141 hist->SetXTitle(GetVarTitle(ivar));
91e32eeb 142 hist->SetName(Form("%s_proj-%s",GetName(),GetVarTitle(ivar)));
fb494025 143 hist->SetTitle(Form("%s: projection on %s",GetTitle(),GetVarTitle(ivar)));
db6722a5 144 return hist;
db6722a5 145}
146//___________________________________________________________________
147TH2D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2) const
148{
149 //
150 // Make a 2D projection along variables ivar1 & ivar2
151 //
152
318f64b1 153 TH2D *hist=fData->Projection(ivar2,ivar1); //notice inverted axis (THnSparse uses TH3 2d-projection convention...)
fb494025 154 hist->SetXTitle(GetVarTitle(ivar1));
155 hist->SetYTitle(GetVarTitle(ivar2));
91e32eeb 156 hist->SetName(Form("%s_proj-%s,%s",GetName(),GetVarTitle(ivar1),GetVarTitle(ivar2)));
fb494025 157 hist->SetTitle(Form("%s: projection on %s-%s",GetTitle(),GetVarTitle(ivar1),GetVarTitle(ivar2)));
db6722a5 158 return hist;
db6722a5 159}
160//___________________________________________________________________
161TH3D *AliCFGridSparse::Project(Int_t ivar1, Int_t ivar2, Int_t ivar3) const
162{
163 //
164 // Make a 3D projection along variables ivar1 & ivar2 & ivar3
165 //
db6722a5 166
167 TH3D *hist=fData->Projection(ivar1,ivar2,ivar3);
fb494025 168 hist->SetXTitle(GetVarTitle(ivar1));
169 hist->SetYTitle(GetVarTitle(ivar2));
170 hist->SetZTitle(GetVarTitle(ivar3));
91e32eeb 171 hist->SetName(Form("%s_proj-%s,%s,%s",GetName(),GetVarTitle(ivar1),GetVarTitle(ivar2),GetVarTitle(ivar3)));
fb494025 172 hist->SetTitle(Form("%s: projection on %s-%s-%s",GetTitle(),GetVarTitle(ivar1),GetVarTitle(ivar2),GetVarTitle(ivar3)));
db6722a5 173 return hist;
db6722a5 174}
175
9105291d 176//___________________________________________________________________
98a5f772 177AliCFGridSparse* AliCFGridSparse::Project(Int_t nVars, const Int_t* vars, const Double_t* varMin, const Double_t* varMax, Bool_t useBins) const
9105291d 178{
38b1447f 179 //
180 // projects the grid on the nVars dimensions defined in vars.
181 // axis ranges can be defined in arrays varMin, varMax
98a5f772 182 // If useBins=true, varMin and varMax are taken as bin numbers
38b1447f 183 //
9105291d 184
185 // binning for new grid
186 Int_t* bins = new Int_t[nVars];
187 for (Int_t iVar=0; iVar<nVars; iVar++) {
fb494025 188 bins[iVar] = GetNBins(vars[iVar]);
9105291d 189 }
190
191 // create new grid sparse
192 AliCFGridSparse* out = new AliCFGridSparse(fName,fTitle,nVars,bins);
193
194 //set the range in the THnSparse to project
195 THnSparse* clone = ((THnSparse*)fData->Clone());
38b1447f 196 if (varMin && varMax) {
fb494025 197 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
98a5f772 198 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
199 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
38b1447f 200 }
9105291d 201 }
38b1447f 202 else AliInfo("Keeping same axis ranges");
203
9105291d 204 out->SetGrid(clone->Projection(nVars,vars));
205 return out;
206}
207
fb494025 208
db6722a5 209//____________________________________________________________________
fb494025 210Float_t AliCFGridSparse::GetBinCenter(Int_t ivar, Int_t ibin) const
db6722a5 211{
212 //
fb494025 213 // Returns the center of specified bin for variable axis ivar
214 //
215
216 return (Float_t) fData->GetAxis(ivar)->GetBinCenter(ibin);
db6722a5 217}
218
219//____________________________________________________________________
fb494025 220Float_t AliCFGridSparse::GetBinSize(Int_t ivar, Int_t ibin) const
db6722a5 221{
222 //
fb494025 223 // Returns the size of specified bin for variable axis ivar
224 //
225
226 return (Float_t) fData->GetAxis(ivar)->GetBinUpEdge(ibin) - fData->GetAxis(ivar)->GetBinLowEdge(ibin);
db6722a5 227}
228
db6722a5 229//____________________________________________________________________
230Float_t AliCFGridSparse::GetEntries() const
231{
232 //
233 // total entries (including overflows and underflows)
234 //
235
236 return fData->GetEntries();
237}
238
239//____________________________________________________________________
fb494025 240Float_t AliCFGridSparse::GetElement(Long_t index) const
db6722a5 241{
242 //
fb494025 243 // Returns content of grid element index
db6722a5 244 //
db6722a5 245
fb494025 246 return fData->GetBinContent(index);
db6722a5 247}
248//____________________________________________________________________
fb494025 249Float_t AliCFGridSparse::GetElement(const Int_t *bin) const
db6722a5 250{
251 //
252 // Get the content in a bin corresponding to a set of bin indexes
253 //
254 return fData->GetBinContent(bin);
255
256}
257//____________________________________________________________________
fb494025 258Float_t AliCFGridSparse::GetElement(const Double_t *var) const
db6722a5 259{
260 //
261 // Get the content in a bin corresponding to a set of input variables
262 //
263
fb494025 264 Long_t index = fData->GetBin(var,kFALSE);
265 if (index<0) return 0.;
266 return fData->GetBinContent(index);
db6722a5 267}
268
269//____________________________________________________________________
fb494025 270Float_t AliCFGridSparse::GetElementError(Long_t index) const
db6722a5 271{
272 //
fb494025 273 // Returns the error on the content
db6722a5 274 //
275
fb494025 276 return fData->GetBinContent(index);
db6722a5 277}
278//____________________________________________________________________
fb494025 279Float_t AliCFGridSparse::GetElementError(const Int_t *bin) const
db6722a5 280{
281 //
282 // Get the error in a bin corresponding to a set of bin indexes
283 //
284 return fData->GetBinError(bin);
285
286}
287//____________________________________________________________________
fb494025 288Float_t AliCFGridSparse::GetElementError(const Double_t *var) const
db6722a5 289{
290 //
291 // Get the error in a bin corresponding to a set of input variables
292 //
293
294 Long_t index=fData->GetBin(var,kFALSE); //this is the THnSparse index (do not allocate new cells if content is empy)
fb494025 295 if (index<0) return 0.;
296 return fData->GetBinError(index);
db6722a5 297}
298
db6722a5 299//____________________________________________________________________
fb494025 300void AliCFGridSparse::SetElement(Long_t index, Float_t val)
db6722a5 301{
302 //
fb494025 303 // Sets grid element value
db6722a5 304 //
fb494025 305 Int_t* bin = new Int_t[GetNVar()];
306 fData->GetBinContent(index,bin); //affects the bin coordinates
307 SetElement(bin,val);
308 delete [] bin ;
db6722a5 309}
fb494025 310
db6722a5 311//____________________________________________________________________
fb494025 312void AliCFGridSparse::SetElement(const Int_t *bin, Float_t val)
db6722a5 313{
314 //
315 // Sets grid element of bin indeces bin to val
316 //
317 fData->SetBinContent(bin,val);
318}
319//____________________________________________________________________
fb494025 320void AliCFGridSparse::SetElement(const Double_t *var, Float_t val)
db6722a5 321{
322 //
323 // Set the content in a bin to value val corresponding to a set of input variables
324 //
fb494025 325 Long_t index=fData->GetBin(var,kTRUE); //THnSparse index: allocate the cell
326 Int_t *bin = new Int_t[GetNVar()];
db6722a5 327 fData->GetBinContent(index,bin); //trick to access the array of bins
fb494025 328 SetElement(bin,val);
db6722a5 329 delete [] bin;
db6722a5 330}
331
332//____________________________________________________________________
fb494025 333void AliCFGridSparse::SetElementError(Long_t index, Float_t val)
db6722a5 334{
335 //
336 // Sets grid element iel error to val (linear indexing) in AliCFFrame
337 //
fb494025 338 Int_t *bin = new Int_t[GetNVar()];
339 fData->GetBinContent(index,bin);
340 SetElementError(bin,val);
db6722a5 341 delete [] bin;
342}
fb494025 343
db6722a5 344//____________________________________________________________________
fb494025 345void AliCFGridSparse::SetElementError(const Int_t *bin, Float_t val)
db6722a5 346{
347 //
348 // Sets grid element error of bin indeces bin to val
349 //
350 fData->SetBinError(bin,val);
351}
352//____________________________________________________________________
fb494025 353void AliCFGridSparse::SetElementError(const Double_t *var, Float_t val)
db6722a5 354{
355 //
356 // Set the error in a bin to value val corresponding to a set of input variables
357 //
358 Long_t index=fData->GetBin(var); //THnSparse index
fb494025 359 Int_t *bin = new Int_t[GetNVar()];
db6722a5 360 fData->GetBinContent(index,bin); //trick to access the array of bins
fb494025 361 SetElementError(bin,val);
db6722a5 362 delete [] bin;
363}
364
365//____________________________________________________________________
366void AliCFGridSparse::SumW2()
367{
368 //
369 //set calculation of the squared sum of the weighted entries
370 //
371 if(!fSumW2){
372 fData->CalculateErrors(kTRUE);
373 }
db6722a5 374 fSumW2=kTRUE;
375}
376
377//____________________________________________________________________
fb494025 378void AliCFGridSparse::Add(const AliCFGridSparse* aGrid, Double_t c)
db6722a5 379{
380 //
381 //add aGrid to the current one
382 //
383
fb494025 384 if (aGrid->GetNVar() != GetNVar()){
385 AliError("Different number of variables, cannot add the grids");
db6722a5 386 return;
387 }
db6722a5 388
fb494025 389 if (!fSumW2 && aGrid->GetSumW2()) SumW2();
390 fData->Add(aGrid->GetGrid(),c);
db6722a5 391}
392
393//____________________________________________________________________
fb494025 394void AliCFGridSparse::Add(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2)
db6722a5 395{
396 //
397 //Add aGrid1 and aGrid2 and deposit the result into the current one
398 //
399
fb494025 400 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
db6722a5 401 AliInfo("Different number of variables, cannot add the grids");
402 return;
403 }
db6722a5 404
fb494025 405 if (!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
db6722a5 406
407 fData->Reset();
fb494025 408 fData->Add(aGrid1->GetGrid(),c1);
409 fData->Add(aGrid2->GetGrid(),c2);
db6722a5 410}
411
412//____________________________________________________________________
fb494025 413void AliCFGridSparse::Multiply(const AliCFGridSparse* aGrid, Double_t c)
db6722a5 414{
415 //
416 // Multiply aGrid to the current one
417 //
418
fb494025 419 if (aGrid->GetNVar() != GetNVar()) {
420 AliError("Different number of variables, cannot multiply the grids");
db6722a5 421 return;
422 }
db6722a5 423
fb494025 424 if(!fSumW2 && aGrid->GetSumW2()) SumW2();
425 THnSparse *h = aGrid->GetGrid();
db6722a5 426 fData->Multiply(h);
427 fData->Scale(c);
db6722a5 428}
429
430//____________________________________________________________________
fb494025 431void AliCFGridSparse::Multiply(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2)
db6722a5 432{
433 //
434 //Multiply aGrid1 and aGrid2 and deposit the result into the current one
435 //
436
fb494025 437 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
438 AliError("Different number of variables, cannot multiply the grids");
db6722a5 439 return;
fb494025 440 }
db6722a5 441
fb494025 442 if(!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
db6722a5 443
444 fData->Reset();
fb494025 445 THnSparse *h1 = aGrid1->GetGrid();
446 THnSparse *h2 = aGrid2->GetGrid();
db6722a5 447 h2->Multiply(h1);
448 h2->Scale(c1*c2);
449 fData->Add(h2);
450}
451
db6722a5 452//____________________________________________________________________
fb494025 453void AliCFGridSparse::Divide(const AliCFGridSparse* aGrid, Double_t c)
db6722a5 454{
455 //
456 // Divide aGrid to the current one
457 //
458
fb494025 459 if (aGrid->GetNVar() != GetNVar()) {
460 AliError("Different number of variables, cannot divide the grids");
db6722a5 461 return;
462 }
db6722a5 463
fb494025 464 if (!fSumW2 && aGrid->GetSumW2()) SumW2();
db6722a5 465
d7c1cb54 466 THnSparse *h1 = aGrid->GetGrid();
467 THnSparse *h2 = (THnSparse*)fData->Clone();
468 fData->Divide(h2,h1);
db6722a5 469 fData->Scale(c);
db6722a5 470}
471
472//____________________________________________________________________
fb494025 473void AliCFGridSparse::Divide(const AliCFGridSparse* aGrid1, const AliCFGridSparse* aGrid2, Double_t c1,Double_t c2, Option_t *option)
db6722a5 474{
475 //
476 //Divide aGrid1 and aGrid2 and deposit the result into the current one
fb494025 477 //binomial errors are supported
db6722a5 478 //
479
fb494025 480 if (GetNVar() != aGrid1->GetNVar() || GetNVar() != aGrid2->GetNVar()) {
481 AliError("Different number of variables, cannot divide the grids");
db6722a5 482 return;
483 }
db6722a5 484
fb494025 485 if (!fSumW2 && (aGrid1->GetSumW2() || aGrid2->GetSumW2())) SumW2();
db6722a5 486
fb494025 487 THnSparse *h1= aGrid1->GetGrid();
488 THnSparse *h2= aGrid2->GetGrid();
db6722a5 489 fData->Divide(h1,h2,c1,c2,option);
490}
491
492
493//____________________________________________________________________
7411edfd 494void AliCFGridSparse::Rebin(const Int_t* group)
495{
496 //
497 // rebin the grid according to Rebin() as in THnSparse
498 // Please notice that the original number of bins on
499 // a given axis has to be divisible by the rebin group.
500 //
501
fb494025 502 for(Int_t i=0;i<GetNVar();i++){
503 if (group[i]!=1) AliInfo(Form(" merging bins along dimension %i in groups of %i bins", i,group[i]));
7411edfd 504 }
505
506 THnSparse *rebinned =fData->Rebin(group);
507 fData->Reset();
508 fData = rebinned;
fb494025 509}
510//____________________________________________________________________
511void AliCFGridSparse::Scale(Long_t index, const Double_t *fact)
512{
513 //
514 //scale content of a certain cell by (positive) fact (with error)
515 //
7411edfd 516
fb494025 517 if (GetElement(index)==0 || fact[0]==0) return;
7411edfd 518
fb494025 519 Double_t in[2], out[2];
520 in[0]=GetElement(index);
521 in[1]=GetElementError(index);
522 GetScaledValues(fact,in,out);
523 SetElement(index,out[0]);
524 if (fSumW2) SetElementError(index,out[1]);
525}
526//____________________________________________________________________
527void AliCFGridSparse::Scale(const Int_t *bin, const Double_t *fact)
528{
529 //
530 //scale content of a certain cell by (positive) fact (with error)
531 //
532 if(GetElement(bin)==0 || fact[0]==0)return;
7411edfd 533
fb494025 534 Double_t in[2], out[2];
535 in[0]=GetElement(bin);
536 in[1]=GetElementError(bin);
537 GetScaledValues(fact,in,out);
538 SetElement(bin,out[0]);
539 if(fSumW2)SetElementError(bin,out[1]);
540
541}
542//____________________________________________________________________
543void AliCFGridSparse::Scale(const Double_t *var, const Double_t *fact)
544{
545 //
546 //scale content of a certain cell by (positive) fact (with error)
547 //
548 if(GetElement(var)==0 || fact[0]==0)return;
7411edfd 549
fb494025 550 Double_t in[2], out[2];
551 in[0]=GetElement(var);
552 in[1]=GetElementError(var);
553 GetScaledValues(fact,in,out);
554 SetElement(var,out[0]);
555 if(fSumW2)SetElementError(var,out[1]);
556
557}
558//____________________________________________________________________
559void AliCFGridSparse::Scale(const Double_t* fact)
560{
561 //
562 //scale contents of the whole grid by fact
563 //
564
565 for (Long_t iel=0; iel<GetNFilledBins(); iel++) {
566 Scale(iel,fact);
7411edfd 567 }
fb494025 568}
569//____________________________________________________________________
570Long_t AliCFGridSparse::GetEmptyBins() const {
571 //
572 // Get empty bins
573 //
7411edfd 574
fb494025 575 return (GetNBinsTotal() - GetNFilledBins()) ;
576}
7411edfd 577
fb494025 578//_____________________________________________________________________
579// Int_t AliCFGridSparse::GetEmptyBins( Double_t *varMin, Double_t* varMax ) const
580// {
581// //
582// // Get empty bins in a range specified by varMin and varMax
583// //
584
585// Int_t *indexMin = new Int_t[GetNVar()];
586// Int_t *indexMax = new Int_t[GetNVar()];
587
588// //Find out the min and max bins
589
590// for (Int_t i=0;i<GetNVar();i++) {
591// Double_t xmin=varMin[i]; // the min values
592// Double_t xmax=varMax[i]; // the min values
593// Int_t nbins = fData->GetAxis(i)->GetNbins()+1;
594// Double_t *bins=new Double_t[nbins];
595// for(Int_t ibin =0;ibin<nbins;ibin++){
596// bins[ibin] = fVarBinLimits[ibin+fOffset[i]];
597// }
598// indexMin[i] = TMath::BinarySearch(nbins,bins,xmin);
599// indexMax[i] = TMath::BinarySearch(nbins,bins,xmax);
600// delete [] bins;
601// }
602
603// Int_t val=0;
604// for(Int_t i=0;i<fNDim;i++){
605// for (Int_t j=0;j<GetNVar();j++)fIndex[j]=GetBinIndex(j,i);
606// Bool_t isIn=kTRUE;
607// for (Int_t j=0;j<GetNVar();j++){
608// if(!(fIndex[j]>=indexMin[j] && fIndex[j]<=indexMax[j]))isIn=kFALSE;
609// }
610// if(isIn && GetElement(i)<=0)val++;
611// }
612// AliInfo(Form(" the empty bins = %i ",val));
613
614// delete [] indexMin;
615// delete [] indexMax;
616// return val;
617// }
618
619//____________________________________________________________________
620Int_t AliCFGridSparse::CheckStats(Double_t thr) const
621{
622 //
623 // Count the cells below a certain threshold
624 //
625 Int_t ncellsLow=0;
626 for (Int_t i=0; i<GetNBinsTotal(); i++) {
627 if (GetElement(i)<thr) ncellsLow++;
628 }
629 return ncellsLow;
630}
7411edfd 631
fb494025 632//_____________________________________________________________________
633Double_t AliCFGridSparse::GetIntegral() const
634{
635 //
636 // Get full Integral
637 //
638 return fData->ComputeIntegral();
639}
7411edfd 640
fb494025 641//_____________________________________________________________________
642// Double_t AliCFGridSparse::GetIntegral(Int_t *binMin, Int_t* binMax ) const
643// {
644// //
645// // Get Integral in a range of bin indeces (extremes included)
646// //
647
648// Double_t val=0;
649
650// for(Int_t i=0;i<GetNVar();i++){
651// if(binMin[i]<1)binMin[i]=1;
652// if(binMax[i]>fNVarBins[i])binMax[i]=fNVarBins[i];
653// if((binMin[i]>binMax[i])){
654// AliInfo(Form(" Bin indices in variable %i in reverse order, please check!", i));
655// return val;
656// }
657// }
658// val=GetSum(0,binMin,binMax);
659
660// return val;
661// }
662
663//_____________________________________________________________________
664// Double_t AliCFGridSparse::GetIntegral(Double_t *varMin, Double_t* varMax ) const
665// {
666// //
667// // Get Integral in a range (extremes included)
668// //
669
670// Int_t *indexMin=new Int_t[GetNVar()];
671// Int_t *indexMax=new Int_t[GetNVar()];
672
673// //Find out the min and max bins
674
675// for(Int_t i=0;i<GetNVar();i++){
676// Double_t xmin=varMin[i]; // the min values
677// Double_t xmax=varMax[i]; // the min values
678// Int_t nbins=fNVarBins[i]+1;
679// Double_t *bins=new Double_t[nbins];
680// for(Int_t ibin =0;ibin<nbins;ibin++){
681// bins[ibin] = fVarBinLimits[ibin+fOffset[i]];
682// }
683// indexMin[i] = TMath::BinarySearch(nbins,bins,xmin);
684// indexMax[i] = TMath::BinarySearch(nbins,bins,xmax);
685// delete [] bins;
686// }
687
688// //move to the TH/THnSparse convention in N-dim bin numbering
689// for(Int_t i=0;i<GetNVar();i++){
690// indexMin[i]+=1;
691// indexMax[i]+=1;
692// }
693
694// Double_t val=GetIntegral(indexMin,indexMax);
695
696// delete [] indexMin;
697// delete [] indexMax;
698
699// return val;
700// }
701
702// //_____________________________________________________________________
703// Double_t AliCFGridSparse::GetSum(Int_t ivar, Int_t *binMin, Int_t* binMax) const
704// {
705// //
706// // recursively add over nested loops....
707// //
708
709// static Double_t val;
710// if (ivar==0) val=0.;
711// for(Int_t ibin=binMin[ivar]-1 ; ibin<=binMax[ivar]-1 ; ibin++){
712// //-1 is to move from TH/ThnSparse N-dim bin convention to one in AliCFFrame
713// fIndex[ivar]=ibin;
714// if(ivar<GetNVar()-1) {
715// val=GetSum(ivar+1,binMin,binMax);
716// }
717// else {
718// Int_t iel=GetBinIndex(fIndex);
719// val+=GetElement(iel);
720// }
721// }
722
723// return val;
724// }
725
726//____________________________________________________________________
727Long64_t AliCFGridSparse::Merge(TCollection* list)
728{
729 //
730 // Merge a list of AliCFGridSparse with this (needed for PROOF).
731 // Returns the number of merged objects (including this).
732 //
733
734 if (!list)
735 return 0;
7411edfd 736
fb494025 737 if (list->IsEmpty())
738 return 1;
739
740 TIterator* iter = list->MakeIterator();
741 TObject* obj;
742
743 Int_t count = 0;
744 while ((obj = iter->Next())) {
745 AliCFGridSparse* entry = dynamic_cast<AliCFGridSparse*> (obj);
746 if (entry == 0)
747 continue;
748 this->Add(entry);
749 count++;
750 }
751
752 return count+1;
7411edfd 753}
fb494025 754
755//____________________________________________________________________
756void AliCFGridSparse::GetScaledValues(const Double_t *fact, const Double_t *in, Double_t *out) const{
757 //
758 // scale input *in and its error by (positive) fact (with error)
759 // and erite it to *out
760 //
761 out[0]=in[0]*fact[0];
762 out[1]=TMath::Sqrt(in[1]*in[1]/in[0]/in[0]
763 +fact[1]*fact[1]/fact[0]/fact[0])*out[0];
764
765}
766
7411edfd 767//____________________________________________________________________
db6722a5 768void AliCFGridSparse::Copy(TObject& c) const
769{
770 //
771 // copy function
772 //
fb494025 773 AliCFFrame::Copy(c);
db6722a5 774 AliCFGridSparse& target = (AliCFGridSparse &) c;
fb494025 775 target.fSumW2 = fSumW2 ;
776 if (fData) {
777 target.fData = (THnSparse*)fData->Clone();
778 }
db6722a5 779}
780
c8df672e 781//____________________________________________________________________
98a5f772 782TH1D* AliCFGridSparse::Slice(Int_t iVar, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
c8df672e 783{
784 //
785 // return a slice (1D-projection) on variable iVar while axis ranges are defined with varMin,varMax
786 // arrays varMin and varMax contain the min and max values of each variable.
fb494025 787 // therefore varMin and varMax must have their dimensions equal to GetNVar()
98a5f772 788 // If useBins=true, varMin and varMax are taken as bin numbers
c8df672e 789
790 THnSparse* clone = (THnSparse*)fData->Clone();
fb494025 791 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
98a5f772 792 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
793 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
c8df672e 794 }
795 return clone->Projection(iVar);
796}
797
798//____________________________________________________________________
98a5f772 799TH2D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
c8df672e 800{
801 //
802 // return a slice (2D-projection) on variables iVar1 and iVar2 while axis ranges are defined with varMin,varMax
803 // arrays varMin and varMax contain the min and max values of each variable.
fb494025 804 // therefore varMin and varMax must have their dimensions equal to GetNVar()
98a5f772 805 // If useBins=true, varMin and varMax are taken as bin numbers
c8df672e 806
807 THnSparse* clone = (THnSparse*)fData->Clone();
fb494025 808 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
98a5f772 809 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
810 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
c8df672e 811 }
812 return clone->Projection(iVar1,iVar2);
813}
814
815//____________________________________________________________________
98a5f772 816TH3D* AliCFGridSparse::Slice(Int_t iVar1, Int_t iVar2, Int_t iVar3, const Double_t *varMin, const Double_t *varMax, Bool_t useBins) const
c8df672e 817{
818 //
819 // return a slice (3D-projection) on variables iVar1, iVar2 and iVar3 while axis ranges are defined with varMin,varMax
820 // arrays varMin and varMax contain the min and max values of each variable.
fb494025 821 // therefore varMin and varMax must have their dimensions equal to GetNVar()
98a5f772 822 // If useBins=true, varMin and varMax are taken as bin numbers
c8df672e 823
824 THnSparse* clone = (THnSparse*)fData->Clone();
fb494025 825 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) {
98a5f772 826 if (useBins) clone->GetAxis(iAxis)->SetRange((Int_t)varMin[iAxis],(Int_t)varMax[iAxis]);
827 else clone->GetAxis(iAxis)->SetRangeUser(varMin[iAxis],varMax[iAxis]);
c8df672e 828 }
829 return clone->Projection(iVar1,iVar2,iVar3);
830}
831
832//____________________________________________________________________
9105291d 833void AliCFGridSparse::SetRangeUser(Int_t iVar, Double_t varMin, Double_t varMax) {
834 //
835 // set range of axis iVar.
836 //
837 fData->GetAxis(iVar)->SetRangeUser(varMin,varMax);
838 AliWarning(Form("THnSparse axis %d range has been modified",iVar));
839}
840
841//____________________________________________________________________
fb494025 842void AliCFGridSparse::SetRangeUser(const Double_t *varMin, const Double_t *varMax) {
c8df672e 843 //
fb494025 844 // set range of every axis. varMin and varMax must be of dimension GetNVar()
c8df672e 845 //
fb494025 846 for (Int_t iAxis=0; iAxis<GetNVar() ; iAxis++) { // set new range for every axis
9105291d 847 SetRangeUser(iAxis,varMin[iAxis],varMax[iAxis]);
c8df672e 848 }
9105291d 849 AliWarning("THnSparse axes ranges have been modified");
850}
851
852//____________________________________________________________________
853void AliCFGridSparse::UseAxisRange(Bool_t b) const {
fb494025 854 for (Int_t iAxis=0; iAxis<GetNVar(); iAxis++) fData->GetAxis(iAxis)->SetBit(TAxis::kAxisRange,b);
855}
856
857//____________________________________________________________________
858Float_t AliCFGridSparse::GetOverFlows(Int_t ivar, Bool_t exclusive) const
859{
860 //
861 // Returns overflows in variable ivar
862 // Set 'exclusive' to true for an exclusive check on variable ivar
863 //
864 Int_t* bin = new Int_t[GetNVar()];
865 memset(bin, 0, sizeof(Int_t) * GetNVar());
866 Float_t ovfl=0.;
867 for (Long64_t i = 0; i < fData->GetNbins(); i++) {
868 Double_t v = fData->GetBinContent(i, bin);
869 Bool_t add=kTRUE;
870 if (exclusive) {
871 for(Int_t j=0;j<GetNVar();j++){
872 if(ivar==j)continue;
873 if((bin[j]==0) || (bin[j]==GetNBins(j)+1))add=kFALSE;
874 }
875 }
876 if(bin[ivar]==GetNBins(ivar)+1 && add) ovfl+=v;
877 }
878
879 delete[] bin;
880 return ovfl;
881}
882
883//____________________________________________________________________
884Float_t AliCFGridSparse::GetUnderFlows(Int_t ivar, Bool_t exclusive) const
885{
886 //
887 // Returns exclusive overflows in variable ivar
888 // Set 'exclusive' to true for an exclusive check on variable ivar
889 //
890 Int_t* bin = new Int_t[GetNVar()];
891 memset(bin, 0, sizeof(Int_t) * GetNVar());
892 Float_t unfl=0.;
893 for (Long64_t i = 0; i < fData->GetNbins(); i++) {
894 Double_t v = fData->GetBinContent(i, bin);
895 Bool_t add=kTRUE;
896 if (exclusive) {
897 for(Int_t j=0;j<GetNVar();j++){
898 if(ivar==j)continue;
899 if((bin[j]==0) || (bin[j]==GetNBins(j)+1))add=kFALSE;
900 }
901 }
902 if(bin[ivar]==0 && add) unfl+=v;
903 }
904
905 delete[] bin;
906 return unfl;
c8df672e 907}
fb494025 908