2 /**************************************************************************
3 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * Author: The ALICE Off-line Project. *
6 * Contributors are mentioned in the code where appropriate. *
8 * Permission to use, copy, modify and distribute this software and its *
9 * documentation strictly for non-commercial purposes is hereby granted *
10 * without fee, provided that the above copyright notice appears in all *
11 * copies and that both the copyright notice and this permission notice *
12 * appear in the supporting documentation. The authors make no claims *
13 * about the suitability of this software for any purpose. It is *
14 * provided "as is" without express or implied warranty. *
15 **************************************************************************/
16 //--------------------------------------------------------------------//
18 // AliCFContainer Class //
19 // Class to accumulate data on an N-dimensional grids, at different //
20 // selection stages. To be used as an input to get corrections for //
21 // Reconstruction & Trigger efficiency //
23 // -- Author : S.Arcelli //
24 //--------------------------------------------------------------------//
28 #include "AliCFGridSparse.h"
29 #include "AliCFContainer.h"
31 //____________________________________________________________________
32 ClassImp(AliCFContainer)
34 //____________________________________________________________________
35 AliCFContainer::AliCFContainer() :
41 // default constructor
44 //____________________________________________________________________
45 AliCFContainer::AliCFContainer(const Char_t* name, const Char_t* title) :
46 AliCFFrame(name,title),
50 // default constructor
53 //____________________________________________________________________
54 AliCFContainer::AliCFContainer(const Char_t* name, const Char_t* title, const Int_t nSelSteps, const Int_t nVarIn, const Int_t* nBinIn) :
55 AliCFFrame(name,title),
64 fGrid = new AliCFGridSparse*[fNStep]; //the grids at the various selection steps
66 for (Int_t istep=0; istep<fNStep; istep++) {
67 sprintf(gname,"%s%s%i",GetName(),"_SelStep", istep);
68 fGrid[istep] = new AliCFGridSparse(gname,title,nVarIn,nBinIn);
69 fGrid[istep]->SumW2();
71 AliInfo(Form("Grids created for %d steps required \n => Don't forget to set the bin limits !!",fNStep));
73 //____________________________________________________________________
74 AliCFContainer::AliCFContainer(const AliCFContainer& c) :
75 AliCFFrame(c.fName,c.fTitle),
84 //____________________________________________________________________
85 AliCFContainer::~AliCFContainer()
90 if (fGrid) delete [] fGrid;
92 //____________________________________________________________________
93 AliCFContainer &AliCFContainer::operator=(const AliCFContainer &c)
98 if (this != &c) c.Copy(*this);
102 //____________________________________________________________________
103 void AliCFContainer::Copy(TObject& c) const
109 AliCFContainer& target = (AliCFContainer &) c;
110 target.fNStep = fNStep;
111 target.fGrid = new AliCFGridSparse*[fNStep];
112 for (Int_t iStep=0; iStep<fNStep; iStep++) {
113 if (fGrid[iStep]) target.fGrid[iStep] = new AliCFGridSparse(*(fGrid[iStep]));
117 //____________________________________________________________________
118 void AliCFContainer::Fill(const Double_t *var, Int_t istep, Double_t weight)
121 // Fills the grid at selection step istep for a set of values of the
122 // input variables, with a given weight (by default w=1)
124 if(istep >= fNStep || istep < 0){
125 AliError("Non-existent selection step, grid was not filled");
128 fGrid[istep]->Fill(var,weight);
130 //___________________________________________________________________
131 TH1D *AliCFContainer::Project(Int_t ivar, Int_t istep) const
134 // returns 1-D projection along variable ivar at selection step istep
136 if(istep >= fNStep || istep < 0){
137 AliError("Non-existent selection step, return NULL");
140 if(ivar >= GetNVar() || ivar < 0){
141 AliError("Non-existent variable, return NULL");
145 return fGrid[istep]->Project(ivar);
147 //___________________________________________________________________
148 TH2D *AliCFContainer::Project(Int_t ivar1, Int_t ivar2, Int_t istep) const
151 // returns 2-D projection along variables ivar1,ivar2 at selection step istep
153 if(istep >= fNStep || istep < 0){
154 AliError("Non-existent selection step, return NULL");
157 if(ivar1 >= GetNVar() || ivar1 < 0 || ivar2 >= GetNVar() || ivar2 < 0){
158 AliError("Non-existent variable, return NULL");
162 return fGrid[istep]->Project(ivar1,ivar2);
164 //___________________________________________________________________
165 TH3D *AliCFContainer::Project(Int_t ivar1, Int_t ivar2, Int_t ivar3, Int_t istep) const
168 // returns 3-D projection along variables ivar1,ivar2,ivar3
169 // at selection step istep
171 if(istep >= fNStep || istep < 0){
172 AliError("Non-existent selection step, return NULL");
175 if(ivar1 >= GetNVar() || ivar1 < 0 ||
176 ivar2 >= GetNVar() || ivar2 < 0 ||
177 ivar3 >= GetNVar() || ivar3 < 0 ) {
178 AliError("Non-existent variable, return NULL");
182 return fGrid[istep]->Project(ivar1,ivar2,ivar3);
184 //___________________________________________________________________
185 TH1D *AliCFContainer::ShowSlice(Int_t ivar, const Double_t *varMin, const Double_t* varMax, Int_t istep, Bool_t useBins) const
188 // Make a slice along variable ivar at selection level istep in range [varMin,varMax]
189 // If useBins=true, varMin and varMax are taken as bin numbers
191 if(istep >= fNStep || istep < 0){
192 AliError("Non-existent selection step, return NULL");
195 if (ivar >= GetNVar() || ivar < 0) {
196 AliError("Non-existent variable, return NULL");
199 return (TH1D*)fGrid[istep]->Slice(ivar,varMin,varMax,useBins);
201 //___________________________________________________________________
202 TH2D *AliCFContainer::ShowSlice(Int_t ivar1, Int_t ivar2, const Double_t *varMin, const Double_t* varMax, Int_t istep, Bool_t useBins) const
205 // Make a slice along variables ivar1 and ivar2 at selection level istep in range [varMin,varMax]
206 // If useBins=true, varMin and varMax are taken as bin numbers
208 if(istep >= fNStep || istep < 0){
209 AliError("Non-existent selection step, return NULL");
212 if (ivar1 >= GetNVar() || ivar1 < 0 || ivar2 >= GetNVar() || ivar2 < 0) {
213 AliError("Non-existent variable, return NULL");
216 return (TH2D*)fGrid[istep]->Slice(ivar1,ivar2,varMin,varMax,useBins);
218 //___________________________________________________________________
219 TH3D *AliCFContainer::ShowSlice(Int_t ivar1, Int_t ivar2, Int_t ivar3, const Double_t *varMin, const Double_t* varMax, Int_t istep, Bool_t useBins) const
222 // Make a slice along variables ivar1, ivar2and ivar3 at selection level istep in range [varMin,varMax]
223 // If useBins=true, varMin and varMax are taken as bin numbers
225 if(istep >= fNStep || istep < 0){
226 AliError("Non-existent selection step, return NULL");
229 if (ivar1 >= GetNVar() || ivar1 < 0 || ivar2 >= GetNVar() || ivar2 < 0 || ivar3 >= GetNVar() || ivar3 < 0) {
230 AliError("Non-existent variable, return NULL");
233 return (TH3D*)fGrid[istep]->Slice(ivar1,ivar2,ivar3,varMin,varMax,useBins);
235 //____________________________________________________________________
236 AliCFContainer* AliCFContainer::MakeSlice(Int_t nVars, const Int_t* vars, const Double_t* varMin, const Double_t* varMax, Bool_t useBins) const
239 // Makes a slice along the "nVars" variables defined in the array "vars[nVars]" for all the container steps.
240 // The ranges of ALL the container variables must be defined in the array varMin[GetNVar()] and varMax[GetNVar()]
241 // The function returns a new container of nVars variables.
242 // If useBins=true, varMin and varMax are taken as bin numbers
244 Int_t* steps = new Int_t[fNStep];
245 for (Int_t iStep=0;iStep<fNStep;iStep++) steps[iStep]=iStep;
246 AliCFContainer* out = MakeSlice(nVars,vars,varMin,varMax,fNStep,steps,useBins);
251 //____________________________________________________________________
252 AliCFContainer* AliCFContainer::MakeSlice(Int_t nVars, const Int_t* vars, const Double_t* varMin, const Double_t* varMax, Int_t nSteps, const Int_t* steps, Bool_t useBins) const
255 // Makes a slice along the "nVars" variables defined in the array "vars[nVars]" for the given "nSteps" defined in "steps[nSteps]".
256 // The ranges of ALL the container variables must be defined in the array varMin[GetNVar()] and varMax[GetNVar()]
257 // The function returns a new container of nVars variables.
258 // If useBins=true, varMin and varMax are taken as bin numbers
261 if (nVars < 1 || nVars > GetNVar()) AliError("Bad number of dimensions required for the slice");
262 if (nSteps< 1 || nSteps> fNStep) AliError("Bad number of steps required for the slice");
264 AliInfo(Form("Making a slice in %d dimension(s)",nVars));
266 // create the output grids
267 AliCFGridSparse** grids = new AliCFGridSparse*[nSteps] ;
268 for (Int_t iStep=0; iStep<nSteps; iStep++) grids[iStep] = fGrid[steps[iStep]]->Project(nVars,vars,varMin,varMax,useBins);
270 TAxis ** axis = new TAxis*[nVars];
271 for (Int_t iVar=0; iVar<nVars; iVar++) axis[iVar] = ((AliCFGridSparse*)grids[0])->GetGrid()->GetAxis(iVar); //same axis for every grid
273 //define new binning for new container
274 Int_t* bins=new Int_t[nVars];
275 for (Int_t iVar=0; iVar<nVars; iVar++) bins[iVar] = axis[iVar]->GetNbins();
277 AliCFContainer* out = new AliCFContainer(fName,fTitle,nSteps,nVars,bins);
280 for (Int_t iVar=0; iVar<nVars; iVar++) {
281 Int_t nBins = bins[iVar];
282 Double_t *array = new Double_t[nBins+1];
283 for (Int_t iBin=1; iBin<=nBins; iBin++) {
284 array[iBin-1] = axis[iVar]->GetBinLowEdge(iBin);
286 array[nBins] = axis[iVar]->GetBinUpEdge(nBins);
287 out->SetBinLimits(iVar,array);
291 //set grid for the given steps
292 for (Int_t iStep=0; iStep<nSteps; iStep++) out->SetGrid(iStep,grids[iStep]);
299 //____________________________________________________________________
300 Long64_t AliCFContainer::Merge(TCollection* list)
302 // Merge a list of AliCorrection objects with this (needed for
304 // Returns the number of merged objects (including this).
312 TIterator* iter = list->MakeIterator();
316 while ((obj = iter->Next())) {
317 AliCFContainer* entry = dynamic_cast<AliCFContainer*> (obj);
327 //____________________________________________________________________
328 void AliCFContainer::Add(const AliCFContainer* aContainerToAdd, Double_t c)
331 //add the content of container aContainerToAdd to the current one
333 if ((aContainerToAdd->GetNStep() != fNStep) ||
334 (aContainerToAdd->GetNVar() != GetNVar()) ||
335 (aContainerToAdd->GetNBinsTotal() != GetNBinsTotal()))
337 AliError("Different number of steps/sensitive variables/grid elements: cannot add the containers");
340 for (Int_t istep=0; istep<fNStep; istep++) {
341 fGrid[istep]->Add(aContainerToAdd->GetGrid(istep),c);
344 //____________________________________________________________________
345 Float_t AliCFContainer::GetOverFlows( Int_t ivar, Int_t istep, Bool_t exclusive) const {
347 // Get overflows in variable var at selection level istep
348 // Set 'exclusive' to true for an exclusive check on variable ivar
350 if(istep >= fNStep || istep < 0){
351 AliError("Non-existent selection step, return -1");
354 return fGrid[istep]->GetOverFlows(ivar,exclusive);
356 //____________________________________________________________________
357 Float_t AliCFContainer::GetUnderFlows( Int_t ivar, Int_t istep, Bool_t exclusive) const {
359 // Get underflows in variable var at selection level istep
360 // Set 'exclusive' to true for an exclusive check on variable ivar
362 if(istep >= fNStep || istep < 0){
363 AliError("Non-existent selection step, return -1");
366 return fGrid[istep]->GetUnderFlows(ivar,exclusive);
368 //____________________________________________________________________
369 Float_t AliCFContainer::GetEntries(Int_t istep) const {
371 // Get total entries in variable var at selection level istep
373 if(istep >= fNStep || istep < 0){
374 AliError("Non-existent selection step, return -1");
377 return fGrid[istep]->GetEntries();
379 // //____________________________________________________________________
380 // Int_t AliCFContainer::GetEmptyBins(Int_t istep) const {
382 // // Get empty bins in variable var at selection level istep
384 // if(istep >= fNStep || istep < 0){
385 // AliError("Non-existent selection step, return -1");
388 // return fGrid[istep]->GetEmptyBins();
390 // //____________________________________________________________________
391 // Int_t AliCFContainer::GetEmptyBins( Int_t istep, Double_t *varMin, Double_t* varMax) const {
393 // // Get empty bins in a range in variable var at selection level istep
395 // if(istep >= fNStep || istep < 0){
396 // AliError("Non-existent selection step, return -1");
399 // return fGrid[istep]->GetEmptyBins(varMin,varMax);
401 //_____________________________________________________________________
402 Double_t AliCFContainer::GetIntegral( Int_t istep) const
405 // Get Integral over the grid at selection level istep
407 if(istep >= fNStep || istep < 0){
408 AliError("Non-existent selection step, return -1");
411 return fGrid[istep]->GetIntegral();
413 //_____________________________________________________________________
414 // Double_t AliCFContainer::GetIntegral( Int_t istep, Double_t *varMin, Double_t* varMax ) const
417 // // Get Integral over the grid in a range at selection level istep
419 // if(istep >= fNStep || istep < 0){
420 // AliError("Non-existent selection step, return -1");
423 // return fGrid[istep]->GetIntegral(varMin,varMax);
425 //_____________________________________________________________________
426 void AliCFContainer::SetRangeUser(Int_t ivar, Double_t varMin, Double_t varMax, Int_t istep)
429 // set axis range at step istep
431 if (istep >= fNStep || istep < 0){
432 AliError("Non-existent selection step");
435 if (ivar >= GetNVar() || ivar < 0){
436 AliError("Non-existent selection var");
439 fGrid[istep]->SetRangeUser(ivar,varMin,varMax);
442 //_____________________________________________________________________
443 void AliCFContainer::SetRangeUser(Double_t* varMin, Double_t* varMax, Int_t istep)
446 // set all axis ranges at step istep according to varMin and varMax values
448 if (istep >= fNStep || istep < 0){
449 AliError("Non-existent selection step");
452 ((AliCFGridSparse*)fGrid[istep])->SetRangeUser(varMin,varMax);
455 //_____________________________________________________________________
456 void AliCFContainer::Print(const Option_t*) const {
457 AliInfo("====================================================================================");
458 AliInfo(Form("AliCFContainer : name = %s title = %s",GetName(),GetTitle()));
459 AliInfo(Form("number of steps \t %d",GetNStep()));
460 for (Int_t iStep=0;iStep<GetNStep();iStep++) AliInfo(Form("step %d \t -> %s",iStep,GetStepTitle(iStep)));
461 AliInfo(Form("number of variables \t %d",GetNVar()));
462 for (Int_t iVar=0;iVar<GetNVar();iVar++) {
463 Double_t *binLimits = new Double_t[GetNBins(iVar)+1];
464 GetBinLimits(iVar,binLimits);
465 AliInfo(Form("variable %d \t -> %s : %d bins in [%f,%f]",iVar,GetVarTitle(iVar),GetNBins(iVar),binLimits[0],binLimits[GetNBins(iVar)]));
468 AliInfo("====================================================================================");