3 // ------------------------------------------------------
5 // Class to handle 3d-corrections.
7 // ------------------------------------------------------
17 #include "AliCorrectionMatrix3D.h"
18 #include "AliCorrectionMatrix2D.h"
19 #include "AliPWG0Helper.h"
21 //____________________________________________________________________
22 ClassImp(AliCorrectionMatrix3D)
24 //____________________________________________________________________
25 AliCorrectionMatrix3D::AliCorrectionMatrix3D() :
28 // default constructor
31 //____________________________________________________________________
32 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c)
33 : AliCorrectionMatrix(c)
36 ((AliCorrectionMatrix3D &)c).Copy(*this);
39 //____________________________________________________________________
40 AliCorrectionMatrix3D &AliCorrectionMatrix3D::operator=(const AliCorrectionMatrix3D &c)
45 ((AliCorrectionMatrix3D &) c).Copy(*this);
50 //____________________________________________________________________
51 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title,
52 Int_t nBinX, Float_t Xmin, Float_t Xmax,
53 Int_t nBinY, Float_t Ymin, Float_t Ymax,
54 Int_t nBinZ, Float_t Zmin, Float_t Zmax)
55 : AliCorrectionMatrix(name, title)
61 Float_t* binLimitsX = new Float_t[nBinX+1];
62 for (Int_t i=0; i<=nBinX; ++i)
63 binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i;
65 Float_t* binLimitsY = new Float_t[nBinY+1];
66 for (Int_t i=0; i<=nBinY; ++i)
67 binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i;
69 Float_t* binLimitsZ = new Float_t[nBinZ+1];
70 for (Int_t i=0; i<=nBinZ; ++i)
71 binLimitsZ[i] = Zmin + (Zmax - Zmin) / nBinZ * i;
73 CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
80 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title,
81 Int_t nBinX, Float_t Xmin, Float_t Xmax,
82 Int_t nBinY, Float_t Ymin, Float_t Ymax,
83 Int_t nBinZ, const Float_t* zbins)
84 : AliCorrectionMatrix(name, title)
86 // constructor with variable bin sizes
88 Float_t* binLimitsX = new Float_t[nBinX+1];
89 for (Int_t i=0; i<=nBinX; ++i)
90 binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i;
92 Float_t* binLimitsY = new Float_t[nBinY+1];
93 for (Int_t i=0; i<=nBinY; ++i)
94 binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i;
96 CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins);
102 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, TH3F* hBinning)
103 : AliCorrectionMatrix(name, title)
105 // constructor with variable bin sizes (uses binning of hBinning)
107 // do not add this hists to the directory
108 Bool_t oldStatus = TH1::AddDirectoryStatus();
109 TH1::AddDirectory(kFALSE);
111 fhMeas = (TH3F*)hBinning->Clone("measured");
112 fhGene = (TH3F*)hBinning->Clone("generated");
113 fhCorr = (TH3F*)hBinning->Clone("correction");
115 fhMeas->SetTitle(Form("%s measured",title) );
116 fhGene->SetTitle(Form("%s generated",title ));
117 fhCorr->SetTitle(Form("%s correction",title));
123 TH1::AddDirectory(oldStatus);
130 //____________________________________________________________________
131 void AliCorrectionMatrix3D::CreateHists(Int_t nBinX, const Float_t* binLimitsX,
132 Int_t nBinY, const Float_t* binLimitsY,
133 Int_t nBinZ, const Float_t* binLimitsZ)
135 // create the histograms
137 // do not add this hists to the directory
138 Bool_t oldStatus = TH1::AddDirectoryStatus();
139 TH1::AddDirectory(kFALSE);
141 fhMeas = new TH3F("measured", Form("%s measured",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
142 fhGene = new TH3F("generated", Form("%s generated",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
143 fhCorr = new TH3F("correction", Form("%s correction",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
149 TH1::AddDirectory(oldStatus);
153 //____________________________________________________________________
154 AliCorrectionMatrix3D::~AliCorrectionMatrix3D()
160 // histograms already deleted in base class
163 //____________________________________________________________________
164 TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram()
166 // return generated histogram casted to correct type
167 return dynamic_cast<TH3F*> (fhGene);
170 //____________________________________________________________________
171 TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram()
173 // return measured histogram casted to correct type
174 return dynamic_cast<TH3F*> (fhMeas);
177 //____________________________________________________________________
178 TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram()
180 // return correction histogram casted to correct type
181 return dynamic_cast<TH3F*> (fhCorr);
184 //____________________________________________________________________
185 AliCorrectionMatrix2D* AliCorrectionMatrix3D::Get2DCorrection(Char_t* opt, Float_t aMin, Float_t aMax)
187 // returns a 2D projection of this correction
189 TString option = opt;
192 if (option.Contains("xy") || option.Contains("yx")) {
193 Int_t bMin = fhMeas->GetZaxis()->FindBin(aMin);
194 Int_t bMax = fhMeas->GetZaxis()->FindBin(aMax);
195 fhMeas->GetZaxis()->SetRange(bMin, bMax);
197 else if (option.Contains("xz") || option.Contains("zx")) {
198 Int_t bMin = fhMeas->GetYaxis()->FindBin(aMin);
199 Int_t bMax = fhMeas->GetYaxis()->FindBin(aMax);
200 fhMeas->GetYaxis()->SetRange(bMin, bMax);
202 else if (option.Contains("yz") || option.Contains("zy")) {
203 Int_t bMin = fhMeas->GetXaxis()->FindBin(aMin);
204 Int_t bMax = fhMeas->GetXaxis()->FindBin(aMax);
205 fhMeas->GetXaxis()->SetRange(bMin, bMax);
208 AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s", opt));
212 AliCorrectionMatrix2D* corr2D = new AliCorrectionMatrix2D(Form("%s_%s",GetName(),opt),Form("%s projection %s",GetName(),opt),100,0,100,100,0,100);
214 TH2F* meas = (TH2F*) ((TH3F*)fhMeas)->Project3D(opt);
215 TH2F* gene = (TH2F*) ((TH3F*)fhGene)->Project3D(opt);
217 TH2F* corr = (TH2F*)gene->Clone("corr");
220 corr2D->SetGeneratedHistogram(gene);
221 corr2D->SetMeasuredHistogram(meas);
222 corr2D->SetCorrectionHistogram(corr);
227 fhMeas->GetXaxis()->UnZoom();
228 fhMeas->GetYaxis()->UnZoom();
229 fhMeas->GetZaxis()->UnZoom();
231 fhGene->GetXaxis()->UnZoom();
232 fhGene->GetYaxis()->UnZoom();
233 fhGene->GetZaxis()->UnZoom();
238 //____________________________________________________________________
239 TH1F* AliCorrectionMatrix3D::Get1DCorrectionHistogram(Char_t* opt, Float_t aMin1, Float_t aMax1, Float_t aMin2, Float_t aMax2)
241 // returns a 1D projection of this correction
242 AliDebug(AliLog::kWarning, Form("WARNING: test"));
244 AliCorrectionMatrix2D* corr2D;
245 if (strcmp(opt,"x")==0) {
246 corr2D = Get2DCorrection("xy",aMin1,aMax1);
247 return corr2D->Get1DCorrectionHistogram("x",aMin2,aMax2);
249 if (strcmp(opt,"y")==0) {
250 corr2D = Get2DCorrection("xy",aMin1,aMax1);
251 return corr2D->Get1DCorrectionHistogram("y",aMin2,aMax2);
253 if (strcmp(opt,"z")==0) {
254 corr2D = Get2DCorrection("yz",aMin1,aMax1);
255 return corr2D->Get1DCorrectionHistogram("x",aMin2,aMax2);
257 AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s (should be x,y or z)", opt));
264 //____________________________________________________________________
265 void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az)
267 // add value to measured histogram
268 GetMeasuredHistogram()->Fill(ax, ay, az);
271 //____________________________________________________________________
272 void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az)
274 // add value to generated histogram
275 GetGeneratedHistogram()->Fill(ax, ay, az);
278 //____________________________________________________________________
279 Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const
281 // returns a value of the correction map
282 return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az));
285 //____________________________________________________________________
286 //void AliCorrectionMatrix3D::RemoveEdges(Float_t cut, Int_t nBinsXedge, Int_t nBinsYedge, Int_t nBinsZedge)
287 void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t)
289 // so what do we do here...
292 //____________________________________________________________________
293 void AliCorrectionMatrix3D::SaveHistograms()
296 // saves the histograms
299 AliCorrectionMatrix::SaveHistograms();
301 if (GetGeneratedHistogram() && GetMeasuredHistogram())
303 gDirectory->cd(GetName());
305 AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram(), 0, kFALSE, kTRUE);
307 gDirectory->cd("..");
311 //____________________________________________________________________
312 Int_t AliCorrectionMatrix3D::CheckEmptyBins(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax, Bool_t quiet)
315 // counts the number of empty Bins in a given region
318 TH3F* hist = GetGeneratedHistogram();
323 for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x)
324 for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y)
325 for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z)
326 if (hist->GetBinContent(x, y, z) == 0)
329 printf("Empty bin in %s at vtx = %f, eta = %f, pt = %f\n", GetName(), hist->GetXaxis()->GetBinCenter(x), hist->GetYaxis()->GetBinCenter(y), hist->GetZaxis()->GetBinCenter(z));
336 //____________________________________________________________________
337 TH1F* AliCorrectionMatrix3D::PlotBinErrors(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax)
340 // makes a 1d plots of the relative bin errors
343 TH3F* hist = GetCorrectionHistogram();
347 TH1F* target = new TH1F("relerrors", "relerrors", 100, 0, 10);
349 for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x)
350 for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y)
351 for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z)
352 if (hist->GetBinContent(x, y, z) != 0)
353 target->Fill(100 * hist->GetBinError(x, y, z) / hist->GetBinContent(x, y, z));