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315d1c64 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2002, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
9edefa04 | 16 | /* $Id$ */ |
315d1c64 | 17 | |
d434833b | 18 | //_________________________________________________________________________ |
14ce0a6e | 19 | // This is a set of histogram |
20 | // utilities for the EMCAL | |
21 | // to make some common | |
22 | // functions easier | |
d434833b | 23 | // |
315d1c64 | 24 | //*-- Authors: J.L. Klay (LLNL) & Aleksei Pavlinov (WSU) |
25 | ||
d434833b | 26 | #include "AliEMCALHistoUtilities.h" |
315d1c64 | 27 | |
af303720 | 28 | #include <iostream> |
29 | #include <iomanip> | |
30 | #include <fstream> | |
31 | ||
32 | #include <TROOT.h> | |
33 | #include <TPad.h> | |
315d1c64 | 34 | #include <TFile.h> |
315d1c64 | 35 | #include <TH1.h> |
36 | #include <TH2.h> | |
af303720 | 37 | #include <TF1.h> |
0fc11500 | 38 | #include <TGraph.h> |
39 | #include <TGraphErrors.h> | |
af303720 | 40 | #include <TLatex.h> |
41 | #include <TChain.h> | |
9edefa04 | 42 | #include <TList.h> |
43 | #include <TObjArray.h> | |
d434833b | 44 | #include <TObjString.h> |
45 | #include <TRegexp.h> | |
9edefa04 | 46 | #include <TString.h> |
af303720 | 47 | #include <TLorentzVector.h> |
48 | #include <Gtypes.h> // color, line style and so on | |
c0e92bad | 49 | #include <TArrayF.h> |
af303720 | 50 | |
51 | #include "AliESDCaloCluster.h" | |
52 | #include "AliEMCALRecPoint.h" | |
0fc11500 | 53 | #include "AliRunLoader.h" |
c0e92bad | 54 | #include "AliHeader.h" |
55 | #include "AliGenEventHeader.h" | |
56 | #include "AliGenPythiaEventHeader.h" | |
af303720 | 57 | |
58 | using namespace std; | |
315d1c64 | 59 | |
60 | ClassImp(AliEMCALHistoUtilities) | |
61 | ||
62 | AliEMCALHistoUtilities::AliEMCALHistoUtilities(const char *name, const char *tit) : TNamed(name,tit) | |
63 | { | |
d434833b | 64 | // constructor |
315d1c64 | 65 | } |
66 | ||
67 | AliEMCALHistoUtilities::~AliEMCALHistoUtilities() | |
68 | { | |
69 | //destructor | |
70 | } | |
71 | ||
315d1c64 | 72 | TList* AliEMCALHistoUtilities::MoveHistsToList(const char* name, Bool_t putToBrowser) |
73 | { | |
74 | // Move HIST to list | |
75 | gROOT->cd(); | |
76 | TIter nextHist(gDirectory->GetList()); | |
77 | TList *list = new TList; | |
78 | list->SetName(name); | |
79 | TObject *objHist; | |
80 | while((objHist=nextHist())){ | |
81 | if (!objHist->InheritsFrom("TH1")) continue; | |
82 | ((TH1*)objHist)->SetDirectory(0); // Remove from gROOT | |
83 | list->Add(objHist); | |
af303720 | 84 | gDirectory->GetList()->Remove(objHist); |
315d1c64 | 85 | } |
86 | if(putToBrowser) gROOT->GetListOfBrowsables()->Add((TObject*)list); | |
87 | return list; | |
88 | } | |
89 | ||
90 | void AliEMCALHistoUtilities::FillH1(TList *l, Int_t ind, Double_t x, Double_t w) | |
91 | { | |
14ce0a6e | 92 | //fill 1d histogram |
315d1c64 | 93 | static TH1* hid=0; |
94 | if(l == 0) return; | |
0fc11500 | 95 | if(ind>=0 && ind < l->GetSize()){ |
315d1c64 | 96 | hid = (TH1*)l->At(ind); |
97 | hid->Fill(x,w); | |
98 | } | |
99 | } | |
100 | ||
101 | void AliEMCALHistoUtilities::FillH2(TList *l, Int_t ind, Double_t x, Double_t y, Double_t w) | |
102 | { | |
14ce0a6e | 103 | //fill 2d histogram |
315d1c64 | 104 | static TH2* hid=0; |
105 | if(l == 0) return; | |
0fc11500 | 106 | if(ind>=0 && ind < l->GetSize()){ |
315d1c64 | 107 | hid = (TH2*)l->At(ind); |
108 | hid->Fill(x,y,w); | |
109 | } | |
110 | } | |
111 | ||
4800667c | 112 | int AliEMCALHistoUtilities::SaveListOfHists(TList *mylist,const char* name,Bool_t kSingleKey,const char* opt) |
315d1c64 | 113 | { |
14ce0a6e | 114 | //write histograms to file |
315d1c64 | 115 | printf(" Name of out file |%s|\n", name); |
116 | int save = 0; | |
4800667c | 117 | if(mylist && mylist->GetSize() && strlen(name)){ |
315d1c64 | 118 | TString nf(name); |
119 | if(nf.Contains(".root") == kFALSE) nf += ".root"; | |
120 | TFile file(nf.Data(),opt); | |
4800667c | 121 | TIter nextHist(mylist); |
315d1c64 | 122 | TObject* objHist=0; |
123 | int nh=0; | |
124 | if(kSingleKey) { | |
125 | file.cd(); | |
4800667c | 126 | mylist->Write(mylist->GetName(),TObject::kSingleKey); |
127 | mylist->ls(); | |
315d1c64 | 128 | save = 1; |
129 | } else { | |
130 | while((objHist=nextHist())) { // loop over list | |
131 | if(objHist->InheritsFrom("TH1")) { | |
132 | TH1* hid = (TH1*)objHist; | |
133 | file.cd(); | |
134 | hid->Write(); | |
135 | nh++; | |
136 | printf("Save hist. %s \n",hid ->GetName()); | |
137 | } | |
138 | } | |
139 | printf("%i hists. save to file -> %s\n", nh,file.GetName()); | |
140 | if(nh>0) save = 1; | |
141 | } | |
142 | file.Close(); | |
143 | } else { | |
144 | printf("AliEMCALHistoUtilities::SaveListOfHists : N O S A V I N G \n"); | |
315d1c64 | 145 | } |
146 | return save; | |
147 | } | |
d434833b | 148 | |
c2d4c7af | 149 | void AliEMCALHistoUtilities::AddToNameAndTitle(TH1 *h, const char *name, const char *title) |
150 | { | |
b217491f | 151 | // Oct 15, 2007 |
c2d4c7af | 152 | if(h==0) return; |
153 | if(name && strlen(name)) h->SetName(Form("%s%s",h->GetName(),name)); | |
154 | if(title && strlen(title)) h->SetTitle(Form("%s%s",h->GetTitle(),title)); | |
155 | } | |
156 | ||
157 | void AliEMCALHistoUtilities::AddToNameAndTitleToList(TList *l, const char *name, const char *title) | |
158 | { | |
b217491f | 159 | // Oct 15, 2007 |
c2d4c7af | 160 | if(l==0) return; |
161 | if(name || title) { | |
162 | for(int i=0; i<l->GetSize(); i++) { | |
163 | TObject *o = l->At(i); | |
164 | if(o->InheritsFrom("TH1")) { | |
165 | TH1 *h = (TH1*)o; | |
166 | AddToNameAndTitle(h, name, title); | |
167 | } | |
168 | } | |
169 | } | |
170 | } | |
171 | ||
0fc11500 | 172 | void AliEMCALHistoUtilities::ResetListOfHists(TList *l) |
173 | { | |
b217491f | 174 | // Oct 15, 2007 |
0fc11500 | 175 | if(l==0) return; |
0fc11500 | 176 | for(int i=0; i<l->GetSize(); i++) { |
177 | TH1F* h = (TH1F*)l->At(i); | |
178 | h->Reset(); | |
179 | } | |
180 | } | |
181 | ||
182 | TLatex *AliEMCALHistoUtilities::Lat(const char *text, Float_t x,Float_t y, Int_t align, Float_t tsize, short tcolor) | |
af303720 | 183 | { |
b217491f | 184 | // Oct 15, 2007 |
af303720 | 185 | double y1=y; |
186 | TLatex *latex = new TLatex; | |
187 | latex->SetTextAlign(align); | |
188 | latex->SetTextSize(tsize); | |
189 | latex->SetTextColor(tcolor); | |
190 | latex->DrawLatex(x, y1, text); | |
191 | printf("<I> AliEMCALHistoUtilities::lat() -> %s gPad->GetLogy() %i\n", | |
192 | text, gPad->GetLogy()); | |
193 | return latex; | |
194 | } | |
195 | ||
0fc11500 | 196 | TGraph *AliEMCALHistoUtilities::DrawGraph(Int_t n, Double_t *x, Double_t *y, Int_t markerColor, |
197 | Int_t markerStyle, const char* opt, const char* tit, const char* xTit,const char* yTit, Int_t ifun, | |
198 | const char *optFit, const char *fun) | |
199 | { | |
200 | /* Drawing options | |
201 | chopt='L' : A simple polyline between every points is drawn | |
202 | chopt='F' : A fill area is drawn ('CF' draw a smooth fill area) | |
203 | chopt='A' : Axis are drawn around the graph | |
204 | chopt='C' : A smooth Curve is drawn | |
205 | chopt='*' : A Star is plotted at each point | |
206 | chopt='P' : Idem with the current marker | |
207 | chopt='B' : A Bar chart is drawn at each point | |
208 | chopt='1' : ylow=rwymin | |
209 | chopt='X+' : The X-axis is drawn on the top side of the plot. | |
210 | chopt='Y+' : The Y-axis is drawn on the right side of the plot. | |
211 | ||
212 | Fitting options | |
213 | The list of fit options is given in parameter option. | |
214 | option = "W" Set all errors to 1 | |
215 | = "U" Use a User specified fitting algorithm (via SetFCN) | |
216 | = "Q" Quiet mode (minimum printing) | |
217 | = "V" Verbose mode (default is between Q and V) | |
218 | = "B" Use this option when you want to fix one or more parameters | |
219 | and the fitting function is like "gaus","expo","poln","landau". | |
220 | = "R" Use the Range specified in the function range | |
221 | = "N" Do not store the graphics function, do not draw | |
222 | = "0" Do not plot the result of the fit. By default the fitted function | |
223 | is drawn unless the option"N" above is specified. | |
224 | = "+" Add this new fitted function to the list of fitted functions | |
225 | (by default, any previous function is deleted) | |
226 | = "C" In case of linear fitting, not calculate the chisquare | |
227 | (saves time) | |
228 | = "F" If fitting a polN, switch to minuit fitter | |
229 | = "ROB" In case of linear fitting, compute the LTS regression | |
230 | coefficients (robust(resistant) regression), using | |
231 | the default fraction of good points | |
232 | "ROB=0.x" - compute the LTS regression coefficients, using | |
233 | 0.x as a fraction of good points | |
234 | ||
235 | */ | |
236 | printf("AliEMCALHistoUtilities::drawGraph started \n"); | |
237 | printf("Drawing opt |%s| : Fitting opt |%s|\n", opt, optFit); | |
238 | ||
239 | TGraph *gr = new TGraph(n, x, y); | |
240 | gr->SetMarkerColor(markerColor); | |
241 | gr->SetLineColor(markerColor); | |
242 | gr->SetMarkerStyle(markerStyle); | |
243 | gr->SetTitle(tit); | |
244 | gr->Draw(opt); | |
245 | ||
246 | TString ctmp(opt); | |
247 | if(ctmp.Contains("A")) { | |
248 | gr->GetHistogram()->SetXTitle(xTit); | |
249 | gr->GetHistogram()->SetYTitle(yTit); | |
250 | } | |
251 | ctmp = optFit; | |
252 | if(ifun>=0) { | |
253 | TString sf("pol"); sf += ifun; | |
254 | gr->Fit(sf.Data(),optFit); | |
255 | printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data()); | |
256 | } else if(!ctmp.Contains("no",TString::kIgnoreCase)){ | |
257 | printf("\n ** ifun %i : %s **\n", ifun, fun); | |
258 | gr->Fit(fun, optFit); | |
259 | } | |
260 | ||
261 | return gr; | |
262 | } | |
263 | ||
264 | TGraphErrors *AliEMCALHistoUtilities::DrawGraphErrors(const Int_t n,Double_t *x,Double_t *y,Double_t *ex, | |
265 | Double_t *ey, Int_t markerColor, Int_t markerStyle, const char* opt, const char* tit, | |
266 | const char* xTit,char* yTit, Int_t ifun, const char *optFit, const char *fun) | |
267 | { | |
b217491f | 268 | // Oct 15, 2007 |
0fc11500 | 269 | printf("AliEMCALHistoUtilities::drawGraphErrors started \n"); |
270 | printf("Drawing opt |%s| : ifun %i: Fitting opt |%s|, fun |%s|\n", | |
271 | opt, ifun, optFit, fun); | |
272 | ||
273 | TGraphErrors *gr = new TGraphErrors(n, x,y,ex,ey); | |
274 | gr->SetMarkerColor(markerColor); | |
275 | gr->SetLineColor(markerColor); | |
276 | gr->SetMarkerStyle(markerStyle); | |
277 | if(tit&&strlen(tit)>0) gr->SetTitle(tit); | |
278 | ||
279 | TString ctmp(opt); | |
280 | if(ctmp.Contains("A")) { | |
281 | gr->GetHistogram()->SetXTitle(xTit); | |
282 | gr->GetHistogram()->SetYTitle(yTit); | |
283 | } | |
284 | if(ifun>0) { | |
285 | if(ifun != 999) { | |
286 | TString sf("pol"); sf += ifun; | |
287 | gr->Fit(sf.Data(),optFit); | |
288 | printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data()); | |
289 | } else { | |
290 | gr->Fit(fun, optFit); | |
291 | printf("\n ** Fit by %s **\n", fun); | |
292 | } | |
293 | } else { | |
294 | if(strlen(optFit)) { | |
295 | printf("\n ** ifun %i : %s **\n", ifun, fun); | |
296 | gr->Fit(fun, optFit); | |
297 | } | |
298 | } | |
299 | ||
300 | gr->Draw(opt); | |
301 | ||
302 | return gr; | |
303 | } | |
304 | ||
305 | TF1* AliEMCALHistoUtilities::GetResolutionFunction(const char *opt, TString &latexName) | |
306 | { | |
b217491f | 307 | // Oct 15, 2007 |
308 | TString sopt(opt); | |
309 | sopt.ToUpper(); | |
0fc11500 | 310 | TF1 *fres=0; |
b217491f | 311 | if (sopt.Contains("FRES1")) { |
0fc11500 | 312 | fres = new TF1("fres","[0]+[1]/sqrt(x)", 0.0, 101.); |
313 | latexName = "#frac{#sigma_{E}}{E} = A+#frac{B}{#sqrt{E}}"; | |
b217491f | 314 | } else if(sopt.Contains("FRES2")) { |
0fc11500 | 315 | fres = new TF1("fres","sqrt([0]*[0]+[1]*[1]/x)", 0.0, 101.); |
316 | latexName = "#sqrt{A^{2}+#frac{B^{2}}{E}}"; | |
317 | } | |
318 | if(fres) { | |
319 | fres->SetParName(0,"A"); | |
320 | fres->SetParName(1,"B"); | |
321 | ||
322 | fres->SetParameter(0, 2.0); | |
323 | fres->SetParameter(1, 6.6); | |
324 | fres->SetLineWidth(2); | |
325 | fres->SetLineColor(kRed); | |
326 | } | |
327 | return fres; | |
328 | } | |
329 | ||
af303720 | 330 | void AliEMCALHistoUtilities::InitChain(TChain *chain, const char* nameListOfFiles, Int_t nFileMax) |
331 | { | |
332 | // Read name of files from text file with nameListOfFiles and added to the chain | |
333 | if(chain==0 || nameListOfFiles==0) return; | |
334 | ||
c0e92bad | 335 | ifstream fin; |
336 | fin.open(nameListOfFiles); | |
337 | if (!fin.is_open()) { | |
af303720 | 338 | cout << "Input file "<<nameListOfFiles<<" cannot be opened.\n"; |
339 | return; | |
340 | } | |
341 | ||
342 | Int_t nfiles = 0; // number of files in chain | |
343 | char nf[200]; // name of current file | |
c0e92bad | 344 | while (!fin.getline(nf,200).eof()) { |
345 | if(!fin.good()) break; | |
af303720 | 346 | chain->Add(nf); |
347 | nfiles++; | |
348 | cout<<nfiles<<" "<<nf<<endl; | |
349 | if(nFileMax && nfiles>=nFileMax) break; | |
350 | } | |
c0e92bad | 351 | fin.close(); |
352 | // | |
af303720 | 353 | cout << " \n ********** <I> Accepted file "<< nfiles << "********* \n"<<endl; |
354 | // chainEsd->Print(); | |
355 | // chain->Lookup(); | |
356 | } | |
357 | ||
0fc11500 | 358 | AliRunLoader* AliEMCALHistoUtilities::InitKinematics(const Int_t nev, const char* galiceName) |
359 | { | |
b217491f | 360 | // Oct 15, 2007 |
c0e92bad | 361 | // nev == 0 - new file |
b217491f | 362 | static AliRunLoader *rl = 0; |
c0e92bad | 363 | |
364 | if((rl == 0 || nev==0) && galiceName) { | |
365 | printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (IN)\n", | |
366 | nev, rl, galiceName); | |
b217491f | 367 | if(rl) { |
368 | rl->UnloadgAlice(); | |
369 | delete rl; | |
0fc11500 | 370 | } |
b217491f | 371 | rl = AliRunLoader::Open(galiceName,AliConfig::GetDefaultEventFolderName(),"read"); |
372 | rl->LoadgAlice(); // obligatory | |
c0e92bad | 373 | printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (OUT)\n", |
374 | nev, rl, galiceName); | |
0fc11500 | 375 | } |
b217491f | 376 | if(rl) { |
c0e92bad | 377 | rl->GetEvent(nev); |
b217491f | 378 | rl->LoadKinematics(); |
0fc11500 | 379 | /* Get what you need after that |
b217491f | 380 | rl->LoadHits(); |
381 | AliStack *stack=rl->Stack(); | |
0fc11500 | 382 | AliESDCaloCluster * clus = esd->GetCaloCluster(n); |
383 | Int_t label = clus->GetLabel(); // what is this | |
384 | TParticle *primary=stack->Particle(label); | |
385 | */ | |
386 | } | |
b217491f | 387 | return rl; |
0fc11500 | 388 | } |
389 | ||
c0e92bad | 390 | AliRunLoader* AliEMCALHistoUtilities::GetRunLoader(const Int_t nev, const Char_t* galiceName, |
391 | const Char_t* eventFolderName, AliRunLoader* rlOld) | |
392 | { | |
393 | // Nov 26, 2007 | |
394 | // nev == 0 - new file | |
395 | AliRunLoader *rl = 0; | |
396 | ||
397 | if(nev==0 && galiceName) { | |
398 | printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s (IN)\n", | |
399 | nev, galiceName); | |
400 | if(rlOld) { | |
401 | rlOld->UnloadgAlice(); | |
402 | delete rlOld; | |
403 | } | |
404 | TString folderName(eventFolderName); | |
405 | if(folderName.Length() == 0) folderName = AliConfig::GetDefaultEventFolderName(); | |
406 | rl = AliRunLoader::Open(galiceName, folderName.Data(),"read"); | |
407 | rl->LoadgAlice(); // obligatory | |
408 | printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s : %s (OUT)\n", | |
409 | nev, galiceName, folderName.Data()); | |
410 | } else { | |
411 | rl = rlOld; | |
412 | } | |
413 | if(rl) rl->LoadgAlice(); // obligatory | |
414 | // if(rl) rl->GetEvent(nev); | |
415 | return rl; | |
416 | } | |
417 | ||
0fc11500 | 418 | Double_t AliEMCALHistoUtilities::GetMomentum(const char* nameListOfFiles) |
419 | { | |
420 | // Get momentum value from string - like /....100GEV/.. | |
421 | Double_t p=-1; // negative if undefined | |
422 | TString st(nameListOfFiles); | |
423 | if(st.Length()>=5) { | |
424 | st.ToUpper(); | |
425 | Ssiz_t ind1 = st.Index("GEV"), ind2=0; | |
426 | if(ind1>0) { | |
427 | for(Int_t i=2; i<=10; i++) { | |
428 | ind2 = st.Index("/",ind1-i); | |
429 | if(ind2>0 && ind2<ind1) break; | |
430 | } | |
431 | TString mom = st(ind2+1, ind1-ind2-1); | |
432 | if(mom.IsFloat()) p = mom.Atof(); | |
433 | printf(" dir |%s| : mom |%s| : p %f : ind2,1 %i->%i\n", st.Data(), mom.Data(), p, ind2, ind1); | |
434 | } | |
435 | } | |
436 | return p; | |
437 | } | |
438 | ||
d434833b | 439 | int AliEMCALHistoUtilities::ParseString(const TString &topt, TObjArray &Opt) |
14ce0a6e | 440 | { |
441 | // Moved from AliEMCALGeometry | |
442 | // Feb 06, 2006 | |
d434833b | 443 | Ssiz_t begin, index, end, end2; |
444 | begin = index = end = end2 = 0; | |
445 | TRegexp separator("[^ ;,\\t\\s/]+"); | |
446 | while ( (begin < topt.Length()) && (index != kNPOS) ) { | |
447 | // loop over given options | |
448 | index = topt.Index(separator,&end,begin); | |
449 | if (index >= 0 && end >= 1) { | |
450 | TString substring(topt(index,end)); | |
451 | Opt.Add(new TObjString(substring.Data())); | |
452 | } | |
453 | begin += end+1; | |
454 | } | |
455 | return Opt.GetEntries(); | |
456 | } | |
0fc11500 | 457 | |
af303720 | 458 | // Analysis utilites |
459 | Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromESDCluster(TLorentzVector &v, const AliESDCaloCluster* cl) | |
460 | { | |
461 | // May 8, 2007 | |
462 | static Double_t e=0.0; | |
463 | static Float_t pos[3]; | |
464 | static TVector3 gpos; | |
465 | if(cl==0) return kFALSE; | |
466 | ||
467 | e = Double_t(cl->E()); | |
468 | if(e<=0.0) { | |
469 | printf(" negative cluster energy : %f \n", e); | |
470 | return kFALSE; | |
471 | } | |
472 | cl->GetPosition(pos); | |
473 | gpos.SetXYZ(Double_t(pos[0]), Double_t(pos[1]), Double_t(pos[2])); | |
474 | gpos.SetMag(e); | |
475 | v.SetVectM(gpos, 0.0); | |
476 | ||
477 | return kTRUE; | |
478 | } | |
479 | ||
480 | Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromRecPoint(TLorentzVector &v, const AliEMCALRecPoint *rp) | |
481 | { | |
482 | // Jun 20, 2007 | |
483 | static Double_t e=0.0; | |
484 | static TVector3 gpos; | |
485 | if(rp==0) return kFALSE; | |
486 | ||
487 | e = Double_t(rp->GetPointEnergy()); | |
488 | if(e<=0.0) { | |
489 | printf(" negative rec.point energy : %f \n", e); | |
490 | return kFALSE; | |
491 | } | |
492 | rp->GetGlobalPosition(gpos); | |
493 | gpos.SetMag(e); | |
494 | v.SetVectM(gpos, 0.0); | |
495 | ||
496 | return kTRUE; | |
497 | } | |
498 | // | |
499 | //// Drawing: | |
500 | // | |
501 | void AliEMCALHistoUtilities::DrawHist(TH1* hid,int lineWidth,int lineColor,const char* opt, int lineStyle) | |
502 | { | |
b217491f | 503 | // Oct 15, 2007 |
504 | TString sopt; | |
505 | sopt = opt; | |
af303720 | 506 | if(!hid) return; |
507 | printf(" Hist. %s : option |%s| \n", hid->GetName(), opt); | |
508 | if(hid && hid->GetEntries()>=1.) { | |
509 | if(lineWidth) hid->SetLineWidth(lineWidth); | |
510 | if(lineColor) hid->SetLineColor(lineColor); | |
511 | if(lineStyle) hid->SetLineStyle(lineStyle); | |
b217491f | 512 | if(sopt.Contains("stat",TString::kIgnoreCase)) hid->SetStats(kTRUE); |
af303720 | 513 | hid->Draw(opt); |
514 | } else { | |
515 | if (strcmp(opt,"empty")==0) hid->Draw(); | |
516 | else printf(" has fewer entries %i or hid is zero\n", (int) hid->GetEntries()); | |
517 | } | |
518 | } | |
519 | ||
520 | // | |
521 | //// Fitting: | |
522 | // | |
523 | TF1* AliEMCALHistoUtilities::Gausi(const char *addName,double xmi,double xma,double N,double mean,double sig,double width) | |
b217491f | 524 | { |
525 | // Fit by gaus where first parameter is the number of events under ga | |
526 | // Oct 15, 2007 | |
af303720 | 527 | TString name("gi"); |
528 | name += addName; | |
b217491f | 529 | TF1 *f = new TF1(name.Data(), Gi, xmi, xma, 4); |
530 | f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH"); | |
af303720 | 531 | |
b217491f | 532 | f->SetParameter(0,N); |
533 | f->SetParameter(1,mean); | |
534 | f->SetParameter(2,sig); | |
af303720 | 535 | |
b217491f | 536 | f->FixParameter(3,width); // width of histogramm bin |
537 | return f; | |
af303720 | 538 | } |
539 | ||
540 | TF1* AliEMCALHistoUtilities::Gausi(const char *addName, double xmi, double xma, TH1 *h) | |
541 | { | |
542 | // You can change parameters after that if you don't like this assumption | |
543 | if(h) return Gausi(addName, xmi, xma, h->Integral(), h->GetMean(),h->GetRMS(), h->GetBinWidth(1)); | |
544 | else return 0; | |
545 | } | |
546 | ||
547 | TF1* AliEMCALHistoUtilities::GausiPol2(const char *addName,double xmi,double xma, TF1 *g, TF1* bg) | |
b217491f | 548 | { |
549 | // Fit by gaus where first parameter is the number of events under ga | |
af303720 | 550 | TString name("giPol2"); |
551 | name += addName; | |
b217491f | 552 | TF1 *f = new TF1(name.Data(), GiPol2, xmi, xma, 7); |
553 | f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH","a0","a1","a2"); | |
af303720 | 554 | |
555 | if(g) { | |
b217491f | 556 | for(int i=0; i<4; i++) f->SetParameter(i, g->GetParameter(i)); |
557 | f->FixParameter(3,g->GetParameter(3)); | |
af303720 | 558 | } |
559 | ||
560 | if(bg) { | |
b217491f | 561 | for(int i=4; i<7; i++) f->SetParameter(i, bg->GetParameter(i+4)); |
af303720 | 562 | } |
b217491f | 563 | f->SetLineColor(kRed); |
564 | return f; | |
af303720 | 565 | } |
566 | ||
567 | Double_t AliEMCALHistoUtilities::Gi(Double_t *x, Double_t *par) | |
568 | { | |
569 | // First parameter is integral (number events under gaus) | |
570 | // Forth parameter (par[3]) is width of histogram bin | |
571 | // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2) | |
572 | ||
b217491f | 573 | static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi) |
af303720 | 574 | |
575 | y = (x[0]-par[1])/par[2]; | |
b217491f | 576 | f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y); |
af303720 | 577 | |
578 | return f; | |
579 | } | |
580 | ||
581 | Double_t AliEMCALHistoUtilities::GiPol2(Double_t *x, Double_t *par) | |
582 | { | |
583 | // First parameter is integral (number events under gaus) | |
584 | // Forth parameter (par[3]) is width of histogram bin | |
585 | // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2) | |
586 | // + pol2 -> 7 parameters | |
b217491f | 587 | static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi) |
af303720 | 588 | |
589 | y = (x[0]-par[1])/par[2]; | |
b217491f | 590 | f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y); |
af303720 | 591 | |
592 | f += par[4] + par[5]*x[0] + par[6]*x[0]*x[0]; | |
593 | ||
594 | return f; | |
595 | } | |
596 | ||
0fc11500 | 597 | // Calibration stuff |
b217491f | 598 | Double_t AliEMCALHistoUtilities::GetCorrectionCoefficientForGamma1(const Double_t eRec) |
0fc11500 | 599 | { |
600 | // Correction to rec.energy - Jul 15, 2007 | |
601 | // E(gamma) = corr * E(eRec); | |
602 | /* corr = p0*(eRec-7.5)+p1*(eRec-7.5)*(eRec-7.5)+p2; 0.0<eRec<10.0 | |
603 | 1 p0 6.07157e-05 1.15179e-04 -0.00000e+00 1.20997e-03 | |
604 | 2 p1 1.50019e-04 3.13566e-05 -0.00000e+00 1.22531e-02 | |
605 | 3 p2 9.99019e-01 4.08251e-04 -0.00000e+00 1.40606e-03 | |
606 | ||
607 | corr = p3 + p4*eRec + p5*eRec*eRec | |
608 | 1 p3 9.97135e-01 5.31970e-04 1.37962e-09 1.68120e-08 | |
609 | 2 p4 3.15740e-04 2.53371e-05 1.11475e-11 1.74192e-04 | |
610 | 3 p5 -1.35383e-06 2.19495e-07 -5.82864e-13 4.52277e-02 | |
611 | */ | |
612 | static Double_t p0=6.07157e-05, p1=1.50019e-04, p2=9.99019e-01; | |
613 | static Double_t p3=9.97135e-01, p4=3.15740e-04, p5=-1.35383e-06; | |
614 | static Double_t corr=1.0; | |
615 | if(eRec>=0.0 && eRec <=10.0) { | |
616 | corr = p0*(eRec-7.5) + p1*(eRec-7.5)*(eRec-7.5) + p2; | |
617 | } else if(eRec>10.0 && eRec <=105.0) { | |
618 | corr = p3 + p4*eRec + p5*eRec*eRec; | |
619 | } | |
620 | //printf(" eRec %f | corr %f \n", eRec, corr); | |
621 | return corr; | |
622 | } | |
af303720 | 623 | |
b217491f | 624 | Double_t AliEMCALHistoUtilities::GetCorrectedEnergyForGamma1(const Double_t eRec) |
0fc11500 | 625 | { |
b217491f | 626 | return GetCorrectionCoefficientForGamma1(eRec) * eRec; |
0fc11500 | 627 | } |
c0e92bad | 628 | |
629 | // Trigger | |
630 | TList* AliEMCALHistoUtilities::GetTriggersListOfHists(const Int_t scale, const Bool_t toBrowser) | |
631 | { | |
632 | // Oct 22, 2007 - trigger technical assurance | |
633 | gROOT->cd(); | |
634 | TH1::AddDirectory(1); | |
635 | ||
636 | new TH1F("00_hXpos2x2", "X coord. of max Amp 2x2",100, -500., +500.); | |
637 | new TH1F("01_hYpos2x2", "Y coord. of max Amp 2x2",100, -500., +500.); | |
638 | new TH1F("02_hZpos2x2", "Z coord. of max Amp 2x2",100, -500., +500.); | |
639 | new TH1F("03_hXposnxn", "X coord. of max Amp NXN",100, -500., +500.); | |
640 | new TH1F("04_hYposnxn", "Y coord. of max Amp NXN",100, -500., +500.); | |
641 | new TH1F("05_hZposnxn", "Z coord. of max Amp NXN",100, -500., +500.); | |
642 | // | |
643 | new TH1F("06_hMaxAmp2x2", "max Amp 2x2", 1000, 0.0, pow(2.,14.)); | |
644 | new TH1F("07_hAmpOutOf2x2", "Amp out of patch 2x2", 1000, 0.0, pow(2.,14.)); | |
645 | new TH1F("08_hMaxAmpnxn", "max Amp NXN", 1000, 0.0, pow(2.,14.)); | |
646 | new TH1F("09_hAmpOutOfnxn", "Amp out of patch nxn", 1000, 0.0, pow(2.,14.)); | |
647 | // For checking | |
648 | Double_t maxEdigit=100., maxN=1000., maxPC = 200.; | |
649 | if(scale==1) { | |
650 | maxN *= 10.; | |
651 | maxPC *= 10.; | |
652 | } | |
653 | new TH1F("10_hDigitsAmp", "amplitude of digits (PC) ", 1001, -0.5, 1000.5); | |
654 | new TH1F("11_hDigitsE", " energy of digits (PC)", 1000, 0.0, maxEdigit); | |
655 | new TH1F("12_hNDigitsInPCs", " number of digits in PC's", 1000, 0.0, maxN); | |
656 | new TH1F("13_hEinInPCs", " energy in PC's", 200, 0.0, maxPC); | |
657 | ||
658 | return MoveHistsToList("TriggerLiOfHists", toBrowser); | |
659 | } | |
660 | ||
661 | void AliEMCALHistoUtilities::FillTriggersListOfHists(TList *l, TArrayF *triggerPosition, TArrayF *triggerAmplitudes) | |
662 | { | |
663 | // Oct 22, 2007 - trigger technical assurance | |
664 | if(l==0) { | |
665 | printf("<E> FillTriggersListOfHists() : list of hists undefined. \n"); | |
666 | return; | |
667 | } | |
668 | if(triggerPosition && triggerPosition->GetSize() == 6) { | |
669 | for(int i=0; i<6; i++) { | |
670 | FillH1(l, i, double(triggerPosition->At(i))); | |
671 | } | |
672 | } | |
673 | if(triggerAmplitudes && triggerAmplitudes->GetSize() == 4) { | |
674 | for(int i=0; i<4; i++) { | |
675 | FillH1(l, 6+i, double(triggerAmplitudes->At(i)) ); | |
676 | } | |
677 | } | |
678 | } | |
679 | ||
680 | // Jet(s) kinematics | |
681 | TList* AliEMCALHistoUtilities::GetJetsListOfHists(Int_t njet, Bool_t toBrowser) | |
682 | { | |
683 | // Oct 30, 2007 | |
684 | gROOT->cd(); | |
685 | TH1::AddDirectory(1); | |
686 | new TH1F("00_nJet", "number of jets in Pythia",5, -0.5, +4.5); | |
687 | int ic=1; | |
688 | for(Int_t ij=0; ij<njet; ij++) | |
689 | { | |
690 | new TH1F(Form("%2.2i_EtaOfJet%i",ic++,ij), Form("#eta of jet (%i)",ij),80, -2., 2.); | |
691 | new TH1F(Form("%2.2i_ThetaOfJet%i",ic++,ij), Form("#theta(degree) of jet (%i)",ij), | |
692 | 180, 0.0, 180.); | |
693 | new TH1F(Form("%2.2i_PhiOfJet%i",ic++,ij), Form("#phi(degree) of jet (%i)",ij), | |
694 | 180, 0.0, 360.); | |
695 | new TH1F(Form("%2.2i_PtOfJet%i",ic++,ij), Form(" p_{T} of jet (%i)",ij), | |
696 | 200, 0.0, 200.); | |
697 | new TH1F(Form("%2.2i_EOfJet%i",ic++,ij), Form(" E of jet (%i)",ij), | |
698 | 200, 0.0, 200.); | |
699 | } | |
700 | ||
701 | return MoveHistsToList("JetLiOfHists", toBrowser); | |
702 | } | |
703 | ||
704 | void AliEMCALHistoUtilities::FillJetKineListOfHists(TList *l, AliRunLoader* rl, TLorentzVector &goodJet) | |
705 | { | |
706 | // Oct 30, 2007; Nov 07; | |
707 | // goodJet - output; only one jet with EMCAL acceptance | |
708 | ||
709 | // Bad case | |
710 | goodJet.SetPxPyPzE(0., 0., 0., 0.); | |
711 | ||
712 | if(l==0 || rl==0) return; | |
713 | //try to get trigger jet info | |
714 | AliHeader* alih = rl->GetHeader(); | |
715 | if (alih == 0) return; | |
716 | ||
717 | AliGenEventHeader * genh = alih->GenEventHeader(); | |
718 | if (genh == 0) return; | |
719 | ||
720 | AliGenPythiaEventHeader* genhpy = dynamic_cast<AliGenPythiaEventHeader *>(genh); | |
721 | if(genhpy==0) return; // Not Pythia | |
722 | ||
723 | Int_t nj = genhpy->NTriggerJets(); | |
724 | FillH1(l, 0, double(nj)); | |
725 | ||
726 | TLorentzVector* jets[4]; | |
727 | nj = nj>4?4:nj; | |
728 | ||
729 | int ic=1; | |
730 | for (Int_t i=0; i< nj; i++) { | |
731 | Float_t p[4]; | |
732 | genhpy->TriggerJet(i,p); | |
733 | jets[i] = new TLorentzVector(p); | |
734 | FillH1(l, ic++, jets[i]->Eta()); | |
735 | FillH1(l, ic++, jets[i]->Theta()*TMath::RadToDeg()); | |
736 | FillH1(l, ic++, TVector2::Phi_0_2pi(jets[i]->Phi())*TMath::RadToDeg()); | |
737 | FillH1(l, ic++, jets[i]->Pt()); | |
738 | FillH1(l, ic++, jets[i]->E()); | |
739 | ||
740 | //printf(" %i pj %f %f %f %f : ic %i\n", i, p[0], p[1], p[2], p[3], ic); | |
741 | if(ic >= l->GetSize()) break; | |
742 | } | |
743 | if(nj==1) { | |
744 | Double_t eta=jets[0]->Eta(), phi=TVector2::Phi_0_2pi(jets[0]->Phi())*TMath::RadToDeg(); | |
745 | if(TMath::Abs(eta)<0.5 && (phi>90.&&phi<180.)) { | |
746 | goodJet = (*jets[0]); | |
747 | } | |
748 | } | |
749 | } |