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bf21645b | 1 | /* $Id$ */ |
2 | ||
3 | // ------------------------------------------------------ | |
4 | // | |
5 | // Class to handle 3d-corrections. | |
6 | // | |
7 | // ------------------------------------------------------ | |
8 | // | |
9 | ||
d51554df | 10 | #include <TDirectory.h> |
f10a1859 | 11 | #include <TH1F.h> |
d51554df | 12 | #include <TH2F.h> |
13 | #include <TH3F.h> | |
06e4b91b | 14 | #include <TString.h> |
bf21645b | 15 | |
16 | #include <AliLog.h> | |
17 | ||
18 | #include "AliCorrectionMatrix3D.h" | |
06e4b91b | 19 | #include "AliCorrectionMatrix2D.h" |
847489f7 | 20 | #include "AliPWG0Helper.h" |
bf21645b | 21 | |
22 | //____________________________________________________________________ | |
23 | ClassImp(AliCorrectionMatrix3D) | |
24 | ||
25 | //____________________________________________________________________ | |
26 | AliCorrectionMatrix3D::AliCorrectionMatrix3D() : | |
27 | AliCorrectionMatrix() | |
28 | { | |
29 | // default constructor | |
30 | } | |
31 | ||
32 | //____________________________________________________________________ | |
33 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const AliCorrectionMatrix3D& c) | |
34 | : AliCorrectionMatrix(c) | |
35 | { | |
36 | // copy constructor | |
37 | ((AliCorrectionMatrix3D &)c).Copy(*this); | |
38 | } | |
39 | ||
61385583 | 40 | //____________________________________________________________________ |
41 | AliCorrectionMatrix3D &AliCorrectionMatrix3D::operator=(const AliCorrectionMatrix3D &c) | |
42 | { | |
43 | // assigment operator | |
44 | ||
45 | if (this != &c) | |
46 | ((AliCorrectionMatrix3D &) c).Copy(*this); | |
47 | ||
48 | return *this; | |
49 | } | |
50 | ||
bf21645b | 51 | //____________________________________________________________________ |
52 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, | |
53 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
54 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
55 | Int_t nBinZ, Float_t Zmin, Float_t Zmax) | |
56 | : AliCorrectionMatrix(name, title) | |
57 | { | |
58 | // | |
59 | // constructor | |
60 | // | |
61 | ||
083a636e | 62 | Float_t* binLimitsX = new Float_t[nBinX+1]; |
63 | for (Int_t i=0; i<=nBinX; ++i) | |
64 | binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i; | |
29771dc8 | 65 | |
083a636e | 66 | Float_t* binLimitsY = new Float_t[nBinY+1]; |
67 | for (Int_t i=0; i<=nBinY; ++i) | |
68 | binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i; | |
29771dc8 | 69 | |
083a636e | 70 | Float_t* binLimitsZ = new Float_t[nBinZ+1]; |
71 | for (Int_t i=0; i<=nBinZ; ++i) | |
72 | binLimitsZ[i] = Zmin + (Zmax - Zmin) / nBinZ * i; | |
bf21645b | 73 | |
083a636e | 74 | CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ); |
75 | ||
76 | delete[] binLimitsX; | |
77 | delete[] binLimitsY; | |
78 | delete[] binLimitsZ; | |
bf21645b | 79 | } |
80 | ||
1afae8ff | 81 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, |
82 | Int_t nBinX, Float_t Xmin, Float_t Xmax, | |
83 | Int_t nBinY, Float_t Ymin, Float_t Ymax, | |
84 | Int_t nBinZ, const Float_t* zbins) | |
85 | : AliCorrectionMatrix(name, title) | |
86 | { | |
87 | // constructor with variable bin sizes | |
88 | ||
89 | Float_t* binLimitsX = new Float_t[nBinX+1]; | |
90 | for (Int_t i=0; i<=nBinX; ++i) | |
91 | binLimitsX[i] = Xmin + (Xmax - Xmin) / nBinX * i; | |
92 | ||
93 | Float_t* binLimitsY = new Float_t[nBinY+1]; | |
94 | for (Int_t i=0; i<=nBinY; ++i) | |
95 | binLimitsY[i] = Ymin + (Ymax - Ymin) / nBinY * i; | |
96 | ||
083a636e | 97 | CreateHists(nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, zbins); |
29771dc8 | 98 | |
083a636e | 99 | delete[] binLimitsX; |
100 | delete[] binLimitsY; | |
101 | } | |
29771dc8 | 102 | |
06e4b91b | 103 | AliCorrectionMatrix3D::AliCorrectionMatrix3D(const Char_t* name, const Char_t* title, TH3F* hBinning) |
083a636e | 104 | : AliCorrectionMatrix(name, title) |
105 | { | |
06e4b91b | 106 | // constructor with variable bin sizes (uses binning of hBinning) |
083a636e | 107 | |
06e4b91b | 108 | // do not add this hists to the directory |
109 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
110 | TH1::AddDirectory(kFALSE); | |
083a636e | 111 | |
06e4b91b | 112 | fhMeas = (TH3F*)hBinning->Clone("measured"); |
113 | fhGene = (TH3F*)hBinning->Clone("generated"); | |
114 | fhCorr = (TH3F*)hBinning->Clone("correction"); | |
1afae8ff | 115 | |
06e4b91b | 116 | fhMeas->SetTitle(Form("%s measured",title) ); |
117 | fhGene->SetTitle(Form("%s generated",title )); | |
118 | fhCorr->SetTitle(Form("%s correction",title)); | |
119 | ||
120 | fhMeas->Reset(); | |
121 | fhGene->Reset(); | |
122 | fhCorr->Reset(); | |
123 | ||
124 | TH1::AddDirectory(oldStatus); | |
125 | ||
126 | fhMeas->Sumw2(); | |
127 | fhGene->Sumw2(); | |
128 | fhCorr->Sumw2(); | |
083a636e | 129 | } |
130 | ||
131 | //____________________________________________________________________ | |
132 | void AliCorrectionMatrix3D::CreateHists(Int_t nBinX, const Float_t* binLimitsX, | |
133 | Int_t nBinY, const Float_t* binLimitsY, | |
134 | Int_t nBinZ, const Float_t* binLimitsZ) | |
135 | { | |
136 | // create the histograms | |
137 | ||
138 | // do not add this hists to the directory | |
139 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
140 | TH1::AddDirectory(kFALSE); | |
141 | ||
142 | fhMeas = new TH3F("measured", Form("%s measured",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ); | |
143 | fhGene = new TH3F("generated", Form("%s generated",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ); | |
144 | fhCorr = new TH3F("correction", Form("%s correction",GetTitle()), nBinX, binLimitsX, nBinY, binLimitsY, nBinZ, binLimitsZ); | |
1afae8ff | 145 | |
146 | fhMeas->Sumw2(); | |
147 | fhGene->Sumw2(); | |
148 | fhCorr->Sumw2(); | |
083a636e | 149 | |
150 | TH1::AddDirectory(oldStatus); | |
1afae8ff | 151 | } |
152 | ||
083a636e | 153 | |
bf21645b | 154 | //____________________________________________________________________ |
155 | AliCorrectionMatrix3D::~AliCorrectionMatrix3D() | |
156 | { | |
157 | // | |
158 | // destructor | |
159 | // | |
160 | ||
161 | // histograms already deleted in base class | |
162 | } | |
163 | ||
164 | //____________________________________________________________________ | |
165 | TH3F* AliCorrectionMatrix3D::GetGeneratedHistogram() | |
166 | { | |
167 | // return generated histogram casted to correct type | |
168 | return dynamic_cast<TH3F*> (fhGene); | |
169 | } | |
170 | ||
171 | //____________________________________________________________________ | |
172 | TH3F* AliCorrectionMatrix3D::GetMeasuredHistogram() | |
173 | { | |
174 | // return measured histogram casted to correct type | |
175 | return dynamic_cast<TH3F*> (fhMeas); | |
176 | } | |
177 | ||
178 | //____________________________________________________________________ | |
179 | TH3F* AliCorrectionMatrix3D::GetCorrectionHistogram() | |
180 | { | |
181 | // return correction histogram casted to correct type | |
182 | return dynamic_cast<TH3F*> (fhCorr); | |
183 | } | |
184 | ||
06e4b91b | 185 | //____________________________________________________________________ |
186 | AliCorrectionMatrix2D* AliCorrectionMatrix3D::Get2DCorrection(Char_t* opt, Float_t aMin, Float_t aMax) | |
187 | { | |
188 | // returns a 2D projection of this correction | |
189 | ||
190 | TString option = opt; | |
191 | ||
192 | if (aMin<aMax) { | |
193 | if (option.Contains("xy") || option.Contains("yx")) { | |
194 | Int_t bMin = fhMeas->GetZaxis()->FindBin(aMin); | |
195 | Int_t bMax = fhMeas->GetZaxis()->FindBin(aMax); | |
196 | fhMeas->GetZaxis()->SetRange(bMin, bMax); | |
197 | } | |
198 | else if (option.Contains("xz") || option.Contains("zx")) { | |
199 | Int_t bMin = fhMeas->GetYaxis()->FindBin(aMin); | |
200 | Int_t bMax = fhMeas->GetYaxis()->FindBin(aMax); | |
201 | fhMeas->GetYaxis()->SetRange(bMin, bMax); | |
202 | } | |
203 | else if (option.Contains("yz") || option.Contains("zy")) { | |
204 | Int_t bMin = fhMeas->GetXaxis()->FindBin(aMin); | |
205 | Int_t bMax = fhMeas->GetXaxis()->FindBin(aMax); | |
206 | fhMeas->GetXaxis()->SetRange(bMin, bMax); | |
207 | } | |
208 | else { | |
209 | AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s", opt)); | |
210 | return 0; | |
211 | } | |
212 | } | |
213 | AliCorrectionMatrix2D* corr2D = new AliCorrectionMatrix2D(Form("%s_%s",GetName(),opt),Form("%s projection %s",GetName(),opt),100,0,100,100,0,100); | |
214 | ||
215 | TH2F* meas = (TH2F*) ((TH3F*)fhMeas)->Project3D(opt); | |
216 | TH2F* gene = (TH2F*) ((TH3F*)fhGene)->Project3D(opt); | |
217 | ||
218 | TH2F* corr = (TH2F*)gene->Clone("corr"); | |
219 | corr->Reset(); | |
220 | ||
221 | corr2D->SetGeneratedHistogram(gene); | |
222 | corr2D->SetMeasuredHistogram(meas); | |
223 | corr2D->SetCorrectionHistogram(corr); | |
224 | ||
225 | corr2D->Divide(); | |
226 | ||
227 | // unzoom | |
228 | fhMeas->GetXaxis()->UnZoom(); | |
229 | fhMeas->GetYaxis()->UnZoom(); | |
230 | fhMeas->GetZaxis()->UnZoom(); | |
231 | ||
232 | fhGene->GetXaxis()->UnZoom(); | |
233 | fhGene->GetYaxis()->UnZoom(); | |
234 | fhGene->GetZaxis()->UnZoom(); | |
235 | ||
236 | return corr2D; | |
237 | } | |
238 | ||
239 | //____________________________________________________________________ | |
240 | TH1F* AliCorrectionMatrix3D::Get1DCorrectionHistogram(Char_t* opt, Float_t aMin1, Float_t aMax1, Float_t aMin2, Float_t aMax2) | |
241 | { | |
242 | // returns a 1D projection of this correction | |
243 | AliDebug(AliLog::kWarning, Form("WARNING: test")); | |
244 | ||
245 | AliCorrectionMatrix2D* corr2D; | |
246 | if (strcmp(opt,"x")==0) { | |
247 | corr2D = Get2DCorrection("xy",aMin1,aMax1); | |
248 | return corr2D->Get1DCorrectionHistogram("x",aMin2,aMax2); | |
249 | } | |
250 | if (strcmp(opt,"y")==0) { | |
251 | corr2D = Get2DCorrection("xy",aMin1,aMax1); | |
252 | return corr2D->Get1DCorrectionHistogram("y",aMin2,aMax2); | |
253 | } | |
254 | if (strcmp(opt,"z")==0) { | |
255 | corr2D = Get2DCorrection("yz",aMin1,aMax1); | |
256 | return corr2D->Get1DCorrectionHistogram("x",aMin2,aMax2); | |
257 | } | |
258 | AliDebug(AliLog::kWarning, Form("WARNING: unknown projection option %s (should be x,y or z)", opt)); | |
259 | ||
260 | return 0; | |
261 | } | |
262 | ||
263 | ||
264 | ||
bf21645b | 265 | //____________________________________________________________________ |
266 | void AliCorrectionMatrix3D::FillMeas(Float_t ax, Float_t ay, Float_t az) | |
267 | { | |
268 | // add value to measured histogram | |
269 | GetMeasuredHistogram()->Fill(ax, ay, az); | |
270 | } | |
271 | ||
272 | //____________________________________________________________________ | |
273 | void AliCorrectionMatrix3D::FillGene(Float_t ax, Float_t ay, Float_t az) | |
274 | { | |
275 | // add value to generated histogram | |
276 | GetGeneratedHistogram()->Fill(ax, ay, az); | |
277 | } | |
278 | ||
279 | //____________________________________________________________________ | |
280 | Float_t AliCorrectionMatrix3D::GetCorrection(Float_t ax, Float_t ay, Float_t az) const | |
281 | { | |
282 | // returns a value of the correction map | |
283 | return fhCorr->GetBinContent(fhCorr->FindBin(ax, ay, az)); | |
284 | } | |
285 | ||
286 | //____________________________________________________________________ | |
287 | //void AliCorrectionMatrix3D::RemoveEdges(Float_t cut, Int_t nBinsXedge, Int_t nBinsYedge, Int_t nBinsZedge) | |
288 | void AliCorrectionMatrix3D::RemoveEdges(Float_t, Int_t, Int_t, Int_t) | |
289 | { | |
290 | // so what do we do here... | |
291 | } | |
292 | ||
293 | //____________________________________________________________________ | |
294 | void AliCorrectionMatrix3D::SaveHistograms() | |
295 | { | |
296 | // | |
297 | // saves the histograms | |
298 | // | |
299 | ||
300 | AliCorrectionMatrix::SaveHistograms(); | |
301 | ||
92d2d8ad | 302 | if (GetGeneratedHistogram() && GetMeasuredHistogram()) |
29771dc8 | 303 | { |
304 | gDirectory->cd(GetName()); | |
305 | ||
306 | AliPWG0Helper::CreateDividedProjections(GetGeneratedHistogram(), GetMeasuredHistogram(), 0, kFALSE, kTRUE); | |
307 | ||
308 | gDirectory->cd(".."); | |
309 | } | |
bf21645b | 310 | } |
f10a1859 | 311 | |
312 | //____________________________________________________________________ | |
313 | 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) | |
314 | { | |
315 | // | |
316 | // counts the number of empty Bins in a given region | |
317 | // | |
318 | ||
319 | TH3F* hist = GetGeneratedHistogram(); | |
320 | if (!hist) | |
321 | return -1; | |
322 | ||
323 | Int_t emptyBins = 0; | |
324 | for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x) | |
325 | for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y) | |
326 | for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z) | |
327 | if (hist->GetBinContent(x, y, z) == 0) | |
328 | { | |
329 | if (!quiet) | |
330 | 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)); | |
331 | ++emptyBins; | |
332 | } | |
333 | ||
334 | return emptyBins; | |
335 | } | |
336 | ||
337 | //____________________________________________________________________ | |
338 | TH1F* AliCorrectionMatrix3D::PlotBinErrors(Float_t xmin, Float_t xmax, Float_t ymin, Float_t ymax, Float_t zmin, Float_t zmax) | |
339 | { | |
340 | // | |
341 | // makes a 1d plots of the relative bin errors | |
342 | // | |
343 | ||
344 | TH3F* hist = GetCorrectionHistogram(); | |
345 | if (!hist) | |
346 | return 0; | |
347 | ||
348 | TH1F* target = new TH1F("relerrors", "relerrors", 100, 0, 10); | |
349 | ||
350 | for (Int_t x=hist->GetXaxis()->FindBin(xmin); x<=hist->GetXaxis()->FindBin(xmax); ++x) | |
351 | for (Int_t y=hist->GetYaxis()->FindBin(ymin); y<=hist->GetYaxis()->FindBin(ymax); ++y) | |
352 | for (Int_t z=hist->GetZaxis()->FindBin(zmin); z<=hist->GetZaxis()->FindBin(zmax); ++z) | |
353 | if (hist->GetBinContent(x, y, z) != 0) | |
354 | target->Fill(100 * hist->GetBinError(x, y, z) / hist->GetBinContent(x, y, z)); | |
355 | ||
356 | return target; | |
357 | } | |
358 |