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 "AliCFGrid.h"
29 #include "AliCFGridSparse.h"
30 #include "AliCFContainer.h"
32 //____________________________________________________________________
33 ClassImp(AliCFContainer)
35 //____________________________________________________________________
36 AliCFContainer::AliCFContainer() :
42 // default constructor
45 //____________________________________________________________________
46 AliCFContainer::AliCFContainer(const Char_t* name, const Char_t* title) :
47 AliCFFrame(name,title),
51 // default constructor
54 //____________________________________________________________________
55 AliCFContainer::AliCFContainer(const Char_t* name, const Char_t* title,const Int_t nSelSteps, const Int_t nVarIn, const Int_t * nBinIn, const Double_t *binLimitsIn, const Bool_t useSparse) :
56 AliCFFrame(name,title,nVarIn,nBinIn,binLimitsIn),
64 // The selection steps
68 fGrid = new AliCFVGrid*[fNStep]; //the grids at the various selection steps
70 for(Int_t istep=0;istep<fNStep;istep++){
71 sprintf(gname,"%s%s%i",GetName(),"_SelStep", istep);
73 fGrid[istep] = new AliCFGrid(gname,title,nVarIn,nBinIn,binLimitsIn);
76 fGrid[istep] = new AliCFGridSparse(gname,title,nVarIn,nBinIn,binLimitsIn);
78 fGrid[istep]->SumW2();
81 //____________________________________________________________________
82 AliCFContainer::AliCFContainer(const AliCFContainer& c) :
90 ((AliCFContainer &)c).Copy(*this);
92 //____________________________________________________________________
93 AliCFContainer::~AliCFContainer()
98 if(fGrid)delete [] fGrid;
101 //____________________________________________________________________
102 AliCFContainer &AliCFContainer::operator=(const AliCFContainer &c)
105 // assigment operator
108 ((AliCFContainer &) c).Copy(*this);
111 //____________________________________________________________________
112 void AliCFContainer::SetBinLimits(Int_t varindex, Double_t *array)
115 // setting the arrays containing the bin limits
117 Int_t nbins=fNVarBins[varindex]+1;
118 for(Int_t i=0;i<nbins;i++){
119 fVarBinLimits[fOffset[varindex]+i] =array[i];
121 for(Int_t istep=0;istep<fNStep;istep++){
122 fGrid[istep]->SetBinLimits(varindex,array);
125 //____________________________________________________________________
126 void AliCFContainer::Copy(TObject& c) const
131 AliCFContainer& target = (AliCFContainer &) c;
132 target.fNStep=fNStep;
135 target.fNVarBinLimits=fNVarBinLimits;
137 target.fNVarBins = fNVarBins;
139 target.fVarBinLimits = fVarBinLimits;
141 target.fGrid = fGrid;
142 for(Int_t istep=0;istep<fNStep;istep++){
143 for(Int_t iel=0;iel<fNDim;iel++){
144 target.fGrid[istep]->SetElement(iel,fGrid[istep]->GetElement(iel));
148 //____________________________________________________________________
149 void AliCFContainer::Fill(Double_t *var, Int_t istep, Double_t weight)
152 // Fills the grid at selection step istep for a set of values of the
153 // input variables, with a given weight (by default w=1)
155 fGrid[istep]->Fill(var,weight);
157 //___________________________________________________________________
158 TH1D *AliCFContainer::ShowProjection(Int_t ivar, Int_t istep) const
161 // returns 1-D projection along variable ivar at selection step istep
163 return fGrid[istep]->Project(ivar);
165 //___________________________________________________________________
166 TH2D *AliCFContainer::ShowProjection(Int_t ivar1, Int_t ivar2, Int_t istep) const
169 // returns 2-D projection along variables ivar1,ivar2 at selection step istep
171 return fGrid[istep]->Project(ivar1,ivar2);
173 //___________________________________________________________________
174 TH3D *AliCFContainer::ShowProjection(Int_t ivar1, Int_t ivar2, Int_t ivar3, Int_t istep) const
177 // returns 3-D projection along variables ivar1,ivar2,ivar3
178 // at selection step istep
180 return fGrid[istep]->Project(ivar1,ivar2,ivar3);
182 //___________________________________________________________________
183 TH1D *AliCFContainer::ShowSlice(Int_t ivar, Double_t *varMin, Double_t* varMax, Int_t istep) const
186 // Make a slice along variable ivar at selection level istep in range [varMin,varMax]
188 return (TH1D*)fGrid[istep]->Slice(ivar,varMin,varMax);
190 //____________________________________________________________________
191 Long64_t AliCFContainer::Merge(TCollection* list)
193 // Merge a list of AliCorrection objects with this (needed for
195 // Returns the number of merged objects (including this).
203 TIterator* iter = list->MakeIterator();
207 while ((obj = iter->Next())) {
208 AliCFContainer* entry = dynamic_cast<AliCFContainer*> (obj);
218 //____________________________________________________________________
219 void AliCFContainer::Add(AliCFContainer* aContainerToAdd, Double_t c)
222 //add the content of container aContainerToAdd to the current one
225 if(aContainerToAdd->GetNStep()!=fNStep)AliError("Different number of steps, cannot add the containers");
226 if(aContainerToAdd->GetNVar()!=fNVar)AliError("Different number of variables, cannot add the containers");
227 if(aContainerToAdd->GetNDim()!=fNDim)AliError("Different number of dimensions, cannot add the containers!");
229 for(Int_t istep=0;istep<fNStep;istep++){
230 fGrid[istep]->Add(aContainerToAdd->GetGrid(istep),c);
233 //____________________________________________________________________
234 Float_t AliCFContainer::GetOverFlows( Int_t ivar, Int_t istep) const {
236 // Get overflows in variable var at selection level istep
238 return fGrid[istep]->GetOverFlows(ivar);
240 //____________________________________________________________________
241 Float_t AliCFContainer::GetUnderFlows( Int_t ivar, Int_t istep) const {
243 // Get overflows in variable var at selection level istep
245 return fGrid[istep]->GetUnderFlows(ivar);
247 //____________________________________________________________________
248 Float_t AliCFContainer::GetEntries( Int_t istep) const {
250 // Get overflows in variable var at selection level istep
252 return fGrid[istep]->GetEntries();
254 //____________________________________________________________________
255 Int_t AliCFContainer::GetEmptyBins( Int_t istep) const {
257 // Get overflows in variable var at selection level istep
259 return fGrid[istep]->GetEmptyBins();
261 //____________________________________________________________________
262 Int_t AliCFContainer::GetEmptyBins( Int_t istep, Double_t *varMin, Double_t* varMax) const {
264 // Get overflows in variable var at selection level istep
266 return fGrid[istep]->GetEmptyBins(varMin,varMax);
268 //_____________________________________________________________________
269 Double_t AliCFContainer::GetIntegral( Int_t istep) const
272 // Get Integral at selection level istep
274 return fGrid[istep]->GetIntegral();
276 //_____________________________________________________________________
277 Double_t AliCFContainer::GetIntegral( Int_t istep, Double_t *varMin, Double_t* varMax ) const
280 // Get Integral at selection level istep
282 return fGrid[istep]->GetIntegral(varMin,varMax);