3 // ------------------------------------------------------
5 // Class to handle 3d-corrections.
7 // ------------------------------------------------------
10 #include <TDirectory.h>
19 #include "AliCorrectionMatrix3D.h"
20 #include "AliCorrectionMatrix2D.h"
21 #include "AliPWG0Helper.h"
23 //____________________________________________________________________
24 ClassImp(AliCorrectionMatrix3D)
26 //____________________________________________________________________
27 AliCorrectionMatrix3D::AliCorrectionMatrix3D() :
30 // default constructor
33 //____________________________________________________________________
34 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c)
35 : AliCorrectionMatrix(c)
38 ((AliCorrectionMatrix3D &)c).Copy(*this);
41 //____________________________________________________________________
42 AliCorrectionMatrix3D &AliCorrectionMatrix3D::operator=(const AliCorrectionMatrix3D &c)
47 ((AliCorrectionMatrix3D &) c).Copy(*this);
52 //____________________________________________________________________
53 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title,
54 Int_t nBinX, Float_t Xmin, Float_t Xmax,
55 Int_t nBinY, Float_t Ymin, Float_t Ymax,
56 Int_t nBinZ, Float_t Zmin, Float_t Zmax)
57 : AliCorrectionMatrix(name, title)
63 Float_t* binLimitsX = new Float_t[nBinX+1];
64 for (Int_t i=0; i<=nBinX; ++i)
65 binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i;
67 Float_t* binLimitsY = new Float_t[nBinY+1];
68 for (Int_t i=0; i<=nBinY; ++i)
69 binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i;
71 Float_t* binLimitsZ = new Float_t[nBinZ+1];
72 for (Int_t i=0; i<=nBinZ; ++i)
73 binLimitsZ[i] = Zmin + (Zmax - Zmin) / nBinZ * i;
75 CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
82 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title,
83 Int_t nBinX, Float_t Xmin, Float_t Xmax,
84 Int_t nBinY, Float_t Ymin, Float_t Ymax,
85 Int_t nBinZ, const Float_t* zbins)
86 : AliCorrectionMatrix(name, title)
88 // constructor with variable bin sizes
90 Float_t* binLimitsX = new Float_t[nBinX+1];
91 for (Int_t i=0; i<=nBinX; ++i)
92 binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i;
94 Float_t* binLimitsY = new Float_t[nBinY+1];
95 for (Int_t i=0; i<=nBinY; ++i)
96 binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i;
98 CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins);
104 AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, TH3* hBinning)
105 : AliCorrectionMatrix(name, title)
107 // constructor with variable bin sizes (uses binning of hBinning)
109 // do not add this hists to the directory
110 Bool_t oldStatus = TH1::AddDirectoryStatus();
111 TH1::AddDirectory(kFALSE);
113 fhMeas = (TH3F*)hBinning->Clone("measured");
114 fhGene = (TH3F*)hBinning->Clone("generated");
115 fhCorr = (TH3F*)hBinning->Clone("correction");
117 fhMeas->SetTitle(Form("%s measured", GetTitle()));
118 fhGene->SetTitle(Form("%s generated", GetTitle()));
119 fhCorr->SetTitle(Form("%s correction", GetTitle()));
125 TH1::AddDirectory(oldStatus);
132 //____________________________________________________________________
133 void AliCorrectionMatrix3D::CreateHists(Int_t nBinX, const Float_t* binLimitsX,
134 Int_t nBinY, const Float_t* binLimitsY,
135 Int_t nBinZ, const Float_t* binLimitsZ)
137 // create the histograms
139 // do not add this hists to the directory
140 Bool_t oldStatus = TH1::AddDirectoryStatus();
141 TH1::AddDirectory(kFALSE);
143 fhMeas = new TH3F("measured", Form("%s measured",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
144 fhGene = new TH3F("generated", Form("%s generated",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
145 fhCorr = new TH3F("correction", Form("%s correction",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ);
151 TH1::AddDirectory(oldStatus);
155 //____________________________________________________________________
156 AliCorrectionMatrix3D::~AliCorrectionMatrix3D()
162 // histograms already deleted in base class
165 //____________________________________________________________________
166 TH3* AliCorrectionMatrix3D::GetGeneratedHistogram()
168 // return generated histogram casted to correct type
169 return dynamic_cast<TH3F*> (fhGene);
172 //____________________________________________________________________
173 TH3* AliCorrectionMatrix3D::GetMeasuredHistogram()
175 // return measured histogram casted to correct type
176 return dynamic_cast<TH3F*> (fhMeas);
179 //____________________________________________________________________
180 TH3* AliCorrectionMatrix3D::GetCorrectionHistogram()
182 // return correction histogram casted to correct type
183 return dynamic_cast<TH3F*> (fhCorr);
186 //____________________________________________________________________
187 AliCorrectionMatrix2D* AliCorrectionMatrix3D::Get2DCorrection(Option_t* opt, Float_t aMin, Float_t aMax)
189 // returns a 2D projection of this correction
191 TString option = opt;
194 fhMeas->GetXaxis()->SetRange(0, 0);
195 fhMeas->GetYaxis()->SetRange(0, 0);
196 fhMeas->GetZaxis()->SetRange(0, 0);
198 fhGene->GetXaxis()->SetRange(0, 0);
199 fhGene->GetYaxis()->SetRange(0, 0);
200 fhGene->GetZaxis()->SetRange(0, 0);
203 if (option.Contains("xy") || option.Contains("yx")) {
204 Int_t bMin = fhMeas->GetZaxis()->FindBin(aMin);
205 Int_t bMax = fhMeas->GetZaxis()->FindBin(aMax);
206 fhGene->GetZaxis()->SetRange(bMin, bMax);
207 fhMeas->GetZaxis()->SetRange(bMin, bMax);
209 else if (option.Contains("xz") || option.Contains("zx")) {
210 Int_t bMin = fhMeas->GetYaxis()->FindBin(aMin);
211 Int_t bMax = fhMeas->GetYaxis()->FindBin(aMax);
212 fhGene->GetYaxis()->SetRange(bMin, bMax);
213 fhMeas->GetYaxis()->SetRange(bMin, bMax);
215 else if (option.Contains("yz") || option.Contains("zy")) {
216 Int_t bMin = fhMeas->GetXaxis()->FindBin(aMin);
217 Int_t bMax = fhMeas->GetXaxis()->FindBin(aMax);
218 fhGene->GetXaxis()->SetRange(bMin, bMax);
219 fhMeas->GetXaxis()->SetRange(bMin, bMax);
222 AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s", opt));
227 AliCorrectionMatrix2D* corr2D = new AliCorrectionMatrix2D(Form("%s_%s",GetName(),opt),Form("%s projection %s",GetName(),opt),100,0,100,100,0,100);
229 TH2F* meas = (TH2F*) ((TH3F*)fhMeas)->Project3D(option)->Clone(Form("%s_meas", corr2D->GetName()));
230 TH2F* gene = (TH2F*) ((TH3F*)fhGene)->Project3D(option)->Clone(Form("%s_gene", corr2D->GetName()));
233 for (Int_t x = 0; x<=meas->GetNbinsX()+1; x++)
234 for (Int_t y = 0; y<=meas->GetNbinsY()+1; y++)
236 gene->SetBinError(x, y, TMath::Sqrt(gene->GetBinContent(x, y)));
237 meas->SetBinError(x, y, TMath::Sqrt(meas->GetBinContent(x, y)));
240 TH2F* corr = (TH2F*)gene->Clone(Form("%s_corr", corr2D->GetName()));
243 corr2D->SetGeneratedHistogram(gene);
244 corr2D->SetMeasuredHistogram(meas);
245 corr2D->SetCorrectionHistogram(corr);
250 fhMeas->GetXaxis()->SetRange(0, 0);
251 fhMeas->GetYaxis()->SetRange(0, 0);
252 fhMeas->GetZaxis()->SetRange(0, 0);
254 fhGene->GetXaxis()->SetRange(0, 0);
255 fhGene->GetYaxis()->SetRange(0, 0);
256 fhGene->GetZaxis()->SetRange(0, 0);
261 //____________________________________________________________________
262 TH1* AliCorrectionMatrix3D::Get1DCorrectionHistogram(Option_t* opt, Float_t aMin1, Float_t aMax1, Float_t aMin2, Float_t aMax2)
264 // returns a 1D projection of this correction
266 AliCorrectionMatrix2D* corr2D = 0;
267 if (strcmp(opt,"x")==0) {
268 corr2D = Get2DCorrection("yx",aMin2,aMax2);
269 return corr2D->Get1DCorrectionHistogram("x",aMin1,aMax1);
271 if (strcmp(opt,"y")==0) {
272 corr2D = Get2DCorrection("xy",aMin2,aMax2);
273 return corr2D->Get1DCorrectionHistogram("x",aMin1,aMax1);
275 if (strcmp(opt,"z")==0) {
276 corr2D = Get2DCorrection("yz",aMin1,aMax1);
277 return corr2D->Get1DCorrectionHistogram("x",aMin2,aMax2);
279 AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s (should be x,y or z)", opt));
284 //____________________________________________________________________
285 void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az)
287 // add value to measured histogram
288 GetMeasuredHistogram()->Fill(ax, ay, az);
291 //____________________________________________________________________
292 void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az)
294 // add value to generated histogram
295 GetGeneratedHistogram()->Fill(ax, ay, az);
298 //____________________________________________________________________
299 Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const
301 // returns a value of the correction map
302 return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az));
305 //____________________________________________________________________
306 //void AliCorrectionMatrix3D::RemoveEdges(Float_t cut, Int_t nBinsXedge, Int_t nBinsYedge, Int_t nBinsZedge)
307 void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t)
309 // so what do we do here...
312 //____________________________________________________________________
313 void AliCorrectionMatrix3D::SaveHistograms()
316 // saves the histograms
319 AliCorrectionMatrix::SaveHistograms();
321 if (GetGeneratedHistogram() && GetMeasuredHistogram())
323 gDirectory->cd(GetName());
325 AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram(), 0, kFALSE, kTRUE);
327 gDirectory->cd("..");
331 //____________________________________________________________________
332 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)
335 // counts the number of empty Bins in a given region
338 TH3* hist = GetGeneratedHistogram();
343 for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x)
344 for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y)
345 for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z)
346 if (hist->GetBinContent(x, y, z) == 0)
349 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));
356 //____________________________________________________________________
357 TH1* AliCorrectionMatrix3D::PlotBinErrors(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax)
360 // makes a 1d plots of the relative bin errors
363 TH3* hist = GetCorrectionHistogram();
367 TH1F* target = new TH1F("relerrors", "relerrors", 100, 0, 10);
369 for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x)
370 for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y)
371 for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z)
372 if (hist->GetBinContent(x, y, z) != 0)
373 target->Fill(100 * hist->GetBinError(x, y, z) / hist->GetBinContent(x, y, z));