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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 | ||
5992186a | 90 | void AliEMCALHistoUtilities::FillH1(TList *l, Int_t ind, Double_t x, Double_t w, Double_t error) |
315d1c64 | 91 | { |
14ce0a6e | 92 | //fill 1d histogram |
315d1c64 | 93 | static TH1* hid=0; |
5992186a | 94 | static int bin=0; |
315d1c64 | 95 | if(l == 0) return; |
5992186a | 96 | |
0fc11500 | 97 | if(ind>=0 && ind < l->GetSize()){ |
315d1c64 | 98 | hid = (TH1*)l->At(ind); |
5992186a | 99 | if(error <= 0.0) { // standard way |
100 | hid->Fill(x,w); | |
101 | } else{ | |
102 | bin = hid->FindBin(x); | |
103 | hid->SetBinContent(bin,w); | |
104 | hid->SetBinError(bin,error); | |
105 | } | |
315d1c64 | 106 | } |
107 | } | |
108 | ||
109 | void AliEMCALHistoUtilities::FillH2(TList *l, Int_t ind, Double_t x, Double_t y, Double_t w) | |
110 | { | |
14ce0a6e | 111 | //fill 2d histogram |
315d1c64 | 112 | static TH2* hid=0; |
113 | if(l == 0) return; | |
0fc11500 | 114 | if(ind>=0 && ind < l->GetSize()){ |
315d1c64 | 115 | hid = (TH2*)l->At(ind); |
116 | hid->Fill(x,y,w); | |
117 | } | |
118 | } | |
119 | ||
4800667c | 120 | int AliEMCALHistoUtilities::SaveListOfHists(TList *mylist,const char* name,Bool_t kSingleKey,const char* opt) |
315d1c64 | 121 | { |
14ce0a6e | 122 | //write histograms to file |
315d1c64 | 123 | printf(" Name of out file |%s|\n", name); |
124 | int save = 0; | |
4800667c | 125 | if(mylist && mylist->GetSize() && strlen(name)){ |
315d1c64 | 126 | TString nf(name); |
127 | if(nf.Contains(".root") == kFALSE) nf += ".root"; | |
128 | TFile file(nf.Data(),opt); | |
4800667c | 129 | TIter nextHist(mylist); |
315d1c64 | 130 | TObject* objHist=0; |
131 | int nh=0; | |
132 | if(kSingleKey) { | |
133 | file.cd(); | |
4800667c | 134 | mylist->Write(mylist->GetName(),TObject::kSingleKey); |
135 | mylist->ls(); | |
315d1c64 | 136 | save = 1; |
137 | } else { | |
138 | while((objHist=nextHist())) { // loop over list | |
139 | if(objHist->InheritsFrom("TH1")) { | |
140 | TH1* hid = (TH1*)objHist; | |
141 | file.cd(); | |
142 | hid->Write(); | |
143 | nh++; | |
144 | printf("Save hist. %s \n",hid ->GetName()); | |
145 | } | |
146 | } | |
147 | printf("%i hists. save to file -> %s\n", nh,file.GetName()); | |
148 | if(nh>0) save = 1; | |
149 | } | |
150 | file.Close(); | |
151 | } else { | |
152 | printf("AliEMCALHistoUtilities::SaveListOfHists : N O S A V I N G \n"); | |
315d1c64 | 153 | } |
154 | return save; | |
155 | } | |
d434833b | 156 | |
c2d4c7af | 157 | void AliEMCALHistoUtilities::AddToNameAndTitle(TH1 *h, const char *name, const char *title) |
158 | { | |
b217491f | 159 | // Oct 15, 2007 |
c2d4c7af | 160 | if(h==0) return; |
161 | if(name && strlen(name)) h->SetName(Form("%s%s",h->GetName(),name)); | |
162 | if(title && strlen(title)) h->SetTitle(Form("%s%s",h->GetTitle(),title)); | |
163 | } | |
164 | ||
165 | void AliEMCALHistoUtilities::AddToNameAndTitleToList(TList *l, const char *name, const char *title) | |
166 | { | |
b217491f | 167 | // Oct 15, 2007 |
c2d4c7af | 168 | if(l==0) return; |
169 | if(name || title) { | |
170 | for(int i=0; i<l->GetSize(); i++) { | |
171 | TObject *o = l->At(i); | |
172 | if(o->InheritsFrom("TH1")) { | |
173 | TH1 *h = (TH1*)o; | |
174 | AddToNameAndTitle(h, name, title); | |
175 | } | |
176 | } | |
177 | } | |
178 | } | |
179 | ||
0fc11500 | 180 | void AliEMCALHistoUtilities::ResetListOfHists(TList *l) |
181 | { | |
b217491f | 182 | // Oct 15, 2007 |
0fc11500 | 183 | if(l==0) return; |
0fc11500 | 184 | for(int i=0; i<l->GetSize(); i++) { |
185 | TH1F* h = (TH1F*)l->At(i); | |
186 | h->Reset(); | |
187 | } | |
188 | } | |
189 | ||
190 | TLatex *AliEMCALHistoUtilities::Lat(const char *text, Float_t x,Float_t y, Int_t align, Float_t tsize, short tcolor) | |
af303720 | 191 | { |
b217491f | 192 | // Oct 15, 2007 |
af303720 | 193 | double y1=y; |
194 | TLatex *latex = new TLatex; | |
195 | latex->SetTextAlign(align); | |
196 | latex->SetTextSize(tsize); | |
197 | latex->SetTextColor(tcolor); | |
198 | latex->DrawLatex(x, y1, text); | |
199 | printf("<I> AliEMCALHistoUtilities::lat() -> %s gPad->GetLogy() %i\n", | |
200 | text, gPad->GetLogy()); | |
201 | return latex; | |
202 | } | |
203 | ||
0fc11500 | 204 | TGraph *AliEMCALHistoUtilities::DrawGraph(Int_t n, Double_t *x, Double_t *y, Int_t markerColor, |
205 | Int_t markerStyle, const char* opt, const char* tit, const char* xTit,const char* yTit, Int_t ifun, | |
206 | const char *optFit, const char *fun) | |
207 | { | |
208 | /* Drawing options | |
209 | chopt='L' : A simple polyline between every points is drawn | |
210 | chopt='F' : A fill area is drawn ('CF' draw a smooth fill area) | |
211 | chopt='A' : Axis are drawn around the graph | |
212 | chopt='C' : A smooth Curve is drawn | |
213 | chopt='*' : A Star is plotted at each point | |
214 | chopt='P' : Idem with the current marker | |
215 | chopt='B' : A Bar chart is drawn at each point | |
216 | chopt='1' : ylow=rwymin | |
217 | chopt='X+' : The X-axis is drawn on the top side of the plot. | |
218 | chopt='Y+' : The Y-axis is drawn on the right side of the plot. | |
219 | ||
220 | Fitting options | |
221 | The list of fit options is given in parameter option. | |
222 | option = "W" Set all errors to 1 | |
223 | = "U" Use a User specified fitting algorithm (via SetFCN) | |
224 | = "Q" Quiet mode (minimum printing) | |
225 | = "V" Verbose mode (default is between Q and V) | |
226 | = "B" Use this option when you want to fix one or more parameters | |
227 | and the fitting function is like "gaus","expo","poln","landau". | |
228 | = "R" Use the Range specified in the function range | |
229 | = "N" Do not store the graphics function, do not draw | |
230 | = "0" Do not plot the result of the fit. By default the fitted function | |
231 | is drawn unless the option"N" above is specified. | |
232 | = "+" Add this new fitted function to the list of fitted functions | |
233 | (by default, any previous function is deleted) | |
234 | = "C" In case of linear fitting, not calculate the chisquare | |
235 | (saves time) | |
236 | = "F" If fitting a polN, switch to minuit fitter | |
237 | = "ROB" In case of linear fitting, compute the LTS regression | |
238 | coefficients (robust(resistant) regression), using | |
239 | the default fraction of good points | |
240 | "ROB=0.x" - compute the LTS regression coefficients, using | |
241 | 0.x as a fraction of good points | |
242 | ||
243 | */ | |
244 | printf("AliEMCALHistoUtilities::drawGraph started \n"); | |
245 | printf("Drawing opt |%s| : Fitting opt |%s|\n", opt, optFit); | |
246 | ||
247 | TGraph *gr = new TGraph(n, x, y); | |
248 | gr->SetMarkerColor(markerColor); | |
249 | gr->SetLineColor(markerColor); | |
250 | gr->SetMarkerStyle(markerStyle); | |
251 | gr->SetTitle(tit); | |
252 | gr->Draw(opt); | |
253 | ||
254 | TString ctmp(opt); | |
255 | if(ctmp.Contains("A")) { | |
256 | gr->GetHistogram()->SetXTitle(xTit); | |
257 | gr->GetHistogram()->SetYTitle(yTit); | |
258 | } | |
259 | ctmp = optFit; | |
260 | if(ifun>=0) { | |
261 | TString sf("pol"); sf += ifun; | |
262 | gr->Fit(sf.Data(),optFit); | |
263 | printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data()); | |
264 | } else if(!ctmp.Contains("no",TString::kIgnoreCase)){ | |
265 | printf("\n ** ifun %i : %s **\n", ifun, fun); | |
266 | gr->Fit(fun, optFit); | |
267 | } | |
268 | ||
269 | return gr; | |
270 | } | |
271 | ||
272 | TGraphErrors *AliEMCALHistoUtilities::DrawGraphErrors(const Int_t n,Double_t *x,Double_t *y,Double_t *ex, | |
273 | Double_t *ey, Int_t markerColor, Int_t markerStyle, const char* opt, const char* tit, | |
a6e0ebfe | 274 | const char* xTit,const char* yTit, Int_t ifun, const char *optFit, const char *fun) |
0fc11500 | 275 | { |
b217491f | 276 | // Oct 15, 2007 |
0fc11500 | 277 | printf("AliEMCALHistoUtilities::drawGraphErrors started \n"); |
278 | printf("Drawing opt |%s| : ifun %i: Fitting opt |%s|, fun |%s|\n", | |
279 | opt, ifun, optFit, fun); | |
280 | ||
281 | TGraphErrors *gr = new TGraphErrors(n, x,y,ex,ey); | |
282 | gr->SetMarkerColor(markerColor); | |
283 | gr->SetLineColor(markerColor); | |
284 | gr->SetMarkerStyle(markerStyle); | |
285 | if(tit&&strlen(tit)>0) gr->SetTitle(tit); | |
286 | ||
287 | TString ctmp(opt); | |
288 | if(ctmp.Contains("A")) { | |
289 | gr->GetHistogram()->SetXTitle(xTit); | |
290 | gr->GetHistogram()->SetYTitle(yTit); | |
291 | } | |
292 | if(ifun>0) { | |
293 | if(ifun != 999) { | |
294 | TString sf("pol"); sf += ifun; | |
295 | gr->Fit(sf.Data(),optFit); | |
296 | printf("\n ** Fit by Polynomial of degree %i : %s **\n", ifun, sf.Data()); | |
297 | } else { | |
298 | gr->Fit(fun, optFit); | |
299 | printf("\n ** Fit by %s **\n", fun); | |
300 | } | |
301 | } else { | |
302 | if(strlen(optFit)) { | |
303 | printf("\n ** ifun %i : %s **\n", ifun, fun); | |
304 | gr->Fit(fun, optFit); | |
305 | } | |
306 | } | |
307 | ||
308 | gr->Draw(opt); | |
309 | ||
310 | return gr; | |
311 | } | |
312 | ||
313 | TF1* AliEMCALHistoUtilities::GetResolutionFunction(const char *opt, TString &latexName) | |
314 | { | |
b217491f | 315 | // Oct 15, 2007 |
316 | TString sopt(opt); | |
317 | sopt.ToUpper(); | |
0fc11500 | 318 | TF1 *fres=0; |
b217491f | 319 | if (sopt.Contains("FRES1")) { |
0fc11500 | 320 | fres = new TF1("fres","[0]+[1]/sqrt(x)", 0.0, 101.); |
321 | latexName = "#frac{#sigma_{E}}{E} = A+#frac{B}{#sqrt{E}}"; | |
b217491f | 322 | } else if(sopt.Contains("FRES2")) { |
0fc11500 | 323 | fres = new TF1("fres","sqrt([0]*[0]+[1]*[1]/x)", 0.0, 101.); |
324 | latexName = "#sqrt{A^{2}+#frac{B^{2}}{E}}"; | |
325 | } | |
326 | if(fres) { | |
327 | fres->SetParName(0,"A"); | |
328 | fres->SetParName(1,"B"); | |
329 | ||
330 | fres->SetParameter(0, 2.0); | |
331 | fres->SetParameter(1, 6.6); | |
332 | fres->SetLineWidth(2); | |
333 | fres->SetLineColor(kRed); | |
334 | } | |
335 | return fres; | |
336 | } | |
337 | ||
af303720 | 338 | void AliEMCALHistoUtilities::InitChain(TChain *chain, const char* nameListOfFiles, Int_t nFileMax) |
339 | { | |
340 | // Read name of files from text file with nameListOfFiles and added to the chain | |
341 | if(chain==0 || nameListOfFiles==0) return; | |
342 | ||
c0e92bad | 343 | ifstream fin; |
344 | fin.open(nameListOfFiles); | |
345 | if (!fin.is_open()) { | |
af303720 | 346 | cout << "Input file "<<nameListOfFiles<<" cannot be opened.\n"; |
347 | return; | |
348 | } | |
349 | ||
350 | Int_t nfiles = 0; // number of files in chain | |
351 | char nf[200]; // name of current file | |
c0e92bad | 352 | while (!fin.getline(nf,200).eof()) { |
353 | if(!fin.good()) break; | |
af303720 | 354 | chain->Add(nf); |
355 | nfiles++; | |
356 | cout<<nfiles<<" "<<nf<<endl; | |
357 | if(nFileMax && nfiles>=nFileMax) break; | |
358 | } | |
c0e92bad | 359 | fin.close(); |
360 | // | |
af303720 | 361 | cout << " \n ********** <I> Accepted file "<< nfiles << "********* \n"<<endl; |
362 | // chainEsd->Print(); | |
363 | // chain->Lookup(); | |
364 | } | |
365 | ||
0fc11500 | 366 | AliRunLoader* AliEMCALHistoUtilities::InitKinematics(const Int_t nev, const char* galiceName) |
367 | { | |
b217491f | 368 | // Oct 15, 2007 |
c0e92bad | 369 | // nev == 0 - new file |
b217491f | 370 | static AliRunLoader *rl = 0; |
c0e92bad | 371 | |
372 | if((rl == 0 || nev==0) && galiceName) { | |
abad76ae | 373 | //printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (IN)\n", |
374 | // nev, rl, galiceName); | |
b217491f | 375 | if(rl) { |
376 | rl->UnloadgAlice(); | |
377 | delete rl; | |
0fc11500 | 378 | } |
b217491f | 379 | rl = AliRunLoader::Open(galiceName,AliConfig::GetDefaultEventFolderName(),"read"); |
380 | rl->LoadgAlice(); // obligatory | |
abad76ae | 381 | //printf("<I> AliEMCALHistoUtilities::InitKinematics() : nev %i : rl %p : %s (OUT)\n", |
382 | //nev, rl, galiceName); | |
0fc11500 | 383 | } |
b217491f | 384 | if(rl) { |
c0e92bad | 385 | rl->GetEvent(nev); |
b217491f | 386 | rl->LoadKinematics(); |
0fc11500 | 387 | /* Get what you need after that |
b217491f | 388 | rl->LoadHits(); |
389 | AliStack *stack=rl->Stack(); | |
0fc11500 | 390 | AliESDCaloCluster * clus = esd->GetCaloCluster(n); |
391 | Int_t label = clus->GetLabel(); // what is this | |
392 | TParticle *primary=stack->Particle(label); | |
393 | */ | |
394 | } | |
b217491f | 395 | return rl; |
0fc11500 | 396 | } |
397 | ||
c0e92bad | 398 | AliRunLoader* AliEMCALHistoUtilities::GetRunLoader(const Int_t nev, const Char_t* galiceName, |
399 | const Char_t* eventFolderName, AliRunLoader* rlOld) | |
400 | { | |
401 | // Nov 26, 2007 | |
402 | // nev == 0 - new file | |
403 | AliRunLoader *rl = 0; | |
404 | ||
405 | if(nev==0 && galiceName) { | |
406 | printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s (IN)\n", | |
407 | nev, galiceName); | |
408 | if(rlOld) { | |
409 | rlOld->UnloadgAlice(); | |
410 | delete rlOld; | |
411 | } | |
412 | TString folderName(eventFolderName); | |
413 | if(folderName.Length() == 0) folderName = AliConfig::GetDefaultEventFolderName(); | |
414 | rl = AliRunLoader::Open(galiceName, folderName.Data(),"read"); | |
415 | rl->LoadgAlice(); // obligatory | |
416 | printf("<I> AliEMCALHistoUtilities::GetLoader() : nev %i : %s : %s (OUT)\n", | |
417 | nev, galiceName, folderName.Data()); | |
418 | } else { | |
419 | rl = rlOld; | |
420 | } | |
421 | if(rl) rl->LoadgAlice(); // obligatory | |
422 | // if(rl) rl->GetEvent(nev); | |
423 | return rl; | |
424 | } | |
425 | ||
0fc11500 | 426 | Double_t AliEMCALHistoUtilities::GetMomentum(const char* nameListOfFiles) |
427 | { | |
428 | // Get momentum value from string - like /....100GEV/.. | |
429 | Double_t p=-1; // negative if undefined | |
430 | TString st(nameListOfFiles); | |
431 | if(st.Length()>=5) { | |
432 | st.ToUpper(); | |
433 | Ssiz_t ind1 = st.Index("GEV"), ind2=0; | |
434 | if(ind1>0) { | |
435 | for(Int_t i=2; i<=10; i++) { | |
436 | ind2 = st.Index("/",ind1-i); | |
437 | if(ind2>0 && ind2<ind1) break; | |
438 | } | |
439 | TString mom = st(ind2+1, ind1-ind2-1); | |
440 | if(mom.IsFloat()) p = mom.Atof(); | |
441 | printf(" dir |%s| : mom |%s| : p %f : ind2,1 %i->%i\n", st.Data(), mom.Data(), p, ind2, ind1); | |
442 | } | |
443 | } | |
444 | return p; | |
445 | } | |
446 | ||
d434833b | 447 | int AliEMCALHistoUtilities::ParseString(const TString &topt, TObjArray &Opt) |
14ce0a6e | 448 | { |
449 | // Moved from AliEMCALGeometry | |
450 | // Feb 06, 2006 | |
d434833b | 451 | Ssiz_t begin, index, end, end2; |
452 | begin = index = end = end2 = 0; | |
453 | TRegexp separator("[^ ;,\\t\\s/]+"); | |
454 | while ( (begin < topt.Length()) && (index != kNPOS) ) { | |
455 | // loop over given options | |
456 | index = topt.Index(separator,&end,begin); | |
457 | if (index >= 0 && end >= 1) { | |
458 | TString substring(topt(index,end)); | |
459 | Opt.Add(new TObjString(substring.Data())); | |
460 | } | |
461 | begin += end+1; | |
462 | } | |
463 | return Opt.GetEntries(); | |
464 | } | |
0fc11500 | 465 | |
af303720 | 466 | // Analysis utilites |
467 | Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromESDCluster(TLorentzVector &v, const AliESDCaloCluster* cl) | |
468 | { | |
469 | // May 8, 2007 | |
470 | static Double_t e=0.0; | |
471 | static Float_t pos[3]; | |
472 | static TVector3 gpos; | |
473 | if(cl==0) return kFALSE; | |
474 | ||
475 | e = Double_t(cl->E()); | |
476 | if(e<=0.0) { | |
477 | printf(" negative cluster energy : %f \n", e); | |
478 | return kFALSE; | |
479 | } | |
480 | cl->GetPosition(pos); | |
481 | gpos.SetXYZ(Double_t(pos[0]), Double_t(pos[1]), Double_t(pos[2])); | |
482 | gpos.SetMag(e); | |
483 | v.SetVectM(gpos, 0.0); | |
484 | ||
485 | return kTRUE; | |
486 | } | |
487 | ||
488 | Bool_t AliEMCALHistoUtilities::GetLorentzVectorFromRecPoint(TLorentzVector &v, const AliEMCALRecPoint *rp) | |
489 | { | |
490 | // Jun 20, 2007 | |
491 | static Double_t e=0.0; | |
492 | static TVector3 gpos; | |
493 | if(rp==0) return kFALSE; | |
494 | ||
495 | e = Double_t(rp->GetPointEnergy()); | |
496 | if(e<=0.0) { | |
497 | printf(" negative rec.point energy : %f \n", e); | |
498 | return kFALSE; | |
499 | } | |
500 | rp->GetGlobalPosition(gpos); | |
501 | gpos.SetMag(e); | |
502 | v.SetVectM(gpos, 0.0); | |
503 | ||
504 | return kTRUE; | |
505 | } | |
506 | // | |
507 | //// Drawing: | |
508 | // | |
509 | void AliEMCALHistoUtilities::DrawHist(TH1* hid,int lineWidth,int lineColor,const char* opt, int lineStyle) | |
510 | { | |
b217491f | 511 | // Oct 15, 2007 |
512 | TString sopt; | |
513 | sopt = opt; | |
af303720 | 514 | if(!hid) return; |
515 | printf(" Hist. %s : option |%s| \n", hid->GetName(), opt); | |
516 | if(hid && hid->GetEntries()>=1.) { | |
517 | if(lineWidth) hid->SetLineWidth(lineWidth); | |
518 | if(lineColor) hid->SetLineColor(lineColor); | |
519 | if(lineStyle) hid->SetLineStyle(lineStyle); | |
b217491f | 520 | if(sopt.Contains("stat",TString::kIgnoreCase)) hid->SetStats(kTRUE); |
af303720 | 521 | hid->Draw(opt); |
522 | } else { | |
523 | if (strcmp(opt,"empty")==0) hid->Draw(); | |
524 | else printf(" has fewer entries %i or hid is zero\n", (int) hid->GetEntries()); | |
525 | } | |
526 | } | |
527 | ||
528 | // | |
529 | //// Fitting: | |
530 | // | |
531 | TF1* AliEMCALHistoUtilities::Gausi(const char *addName,double xmi,double xma,double N,double mean,double sig,double width) | |
b217491f | 532 | { |
533 | // Fit by gaus where first parameter is the number of events under ga | |
534 | // Oct 15, 2007 | |
af303720 | 535 | TString name("gi"); |
536 | name += addName; | |
b217491f | 537 | TF1 *f = new TF1(name.Data(), Gi, xmi, xma, 4); |
538 | f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH"); | |
af303720 | 539 | |
b217491f | 540 | f->SetParameter(0,N); |
541 | f->SetParameter(1,mean); | |
542 | f->SetParameter(2,sig); | |
af303720 | 543 | |
b217491f | 544 | f->FixParameter(3,width); // width of histogramm bin |
545 | return f; | |
af303720 | 546 | } |
547 | ||
548 | TF1* AliEMCALHistoUtilities::Gausi(const char *addName, double xmi, double xma, TH1 *h) | |
549 | { | |
550 | // You can change parameters after that if you don't like this assumption | |
551 | if(h) return Gausi(addName, xmi, xma, h->Integral(), h->GetMean(),h->GetRMS(), h->GetBinWidth(1)); | |
552 | else return 0; | |
553 | } | |
554 | ||
555 | TF1* AliEMCALHistoUtilities::GausiPol2(const char *addName,double xmi,double xma, TF1 *g, TF1* bg) | |
b217491f | 556 | { |
557 | // Fit by gaus where first parameter is the number of events under ga | |
af303720 | 558 | TString name("giPol2"); |
559 | name += addName; | |
b217491f | 560 | TF1 *f = new TF1(name.Data(), GiPol2, xmi, xma, 7); |
561 | f->SetParNames("INTEGRAL","MEAN","SIGMA","WIDTH","a0","a1","a2"); | |
af303720 | 562 | |
563 | if(g) { | |
b217491f | 564 | for(int i=0; i<4; i++) f->SetParameter(i, g->GetParameter(i)); |
565 | f->FixParameter(3,g->GetParameter(3)); | |
af303720 | 566 | } |
567 | ||
568 | if(bg) { | |
b217491f | 569 | for(int i=4; i<7; i++) f->SetParameter(i, bg->GetParameter(i+4)); |
af303720 | 570 | } |
b217491f | 571 | f->SetLineColor(kRed); |
572 | return f; | |
af303720 | 573 | } |
574 | ||
575 | Double_t AliEMCALHistoUtilities::Gi(Double_t *x, Double_t *par) | |
576 | { | |
577 | // First parameter is integral (number events under gaus) | |
578 | // Forth parameter (par[3]) is width of histogram bin | |
579 | // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2) | |
580 | ||
b217491f | 581 | static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi) |
af303720 | 582 | |
583 | y = (x[0]-par[1])/par[2]; | |
b217491f | 584 | f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y); |
af303720 | 585 | |
586 | return f; | |
587 | } | |
588 | ||
589 | Double_t AliEMCALHistoUtilities::GiPol2(Double_t *x, Double_t *par) | |
590 | { | |
591 | // First parameter is integral (number events under gaus) | |
592 | // Forth parameter (par[3]) is width of histogram bin | |
593 | // gaus(0) is a substitute for [0]*exp(-0.5*((x-[1])/[2])**2) | |
594 | // + pol2 -> 7 parameters | |
b217491f | 595 | static Double_t c = TMath::Sqrt(2.*TMath::Pi()), y=0.0, f=0.0; // sqrt(2.*pi) |
af303720 | 596 | |
597 | y = (x[0]-par[1])/par[2]; | |
b217491f | 598 | f = par[0]*par[3]/(par[2]*c) * TMath::Exp(-0.5*y*y); |
af303720 | 599 | |
600 | f += par[4] + par[5]*x[0] + par[6]*x[0]*x[0]; | |
601 | ||
602 | return f; | |
603 | } | |
604 | ||
0fc11500 | 605 | // Calibration stuff |
b217491f | 606 | Double_t AliEMCALHistoUtilities::GetCorrectionCoefficientForGamma1(const Double_t eRec) |
0fc11500 | 607 | { |
608 | // Correction to rec.energy - Jul 15, 2007 | |
609 | // E(gamma) = corr * E(eRec); | |
610 | /* corr = p0*(eRec-7.5)+p1*(eRec-7.5)*(eRec-7.5)+p2; 0.0<eRec<10.0 | |
611 | 1 p0 6.07157e-05 1.15179e-04 -0.00000e+00 1.20997e-03 | |
612 | 2 p1 1.50019e-04 3.13566e-05 -0.00000e+00 1.22531e-02 | |
613 | 3 p2 9.99019e-01 4.08251e-04 -0.00000e+00 1.40606e-03 | |
614 | ||
615 | corr = p3 + p4*eRec + p5*eRec*eRec | |
616 | 1 p3 9.97135e-01 5.31970e-04 1.37962e-09 1.68120e-08 | |
617 | 2 p4 3.15740e-04 2.53371e-05 1.11475e-11 1.74192e-04 | |
618 | 3 p5 -1.35383e-06 2.19495e-07 -5.82864e-13 4.52277e-02 | |
619 | */ | |
620 | static Double_t p0=6.07157e-05, p1=1.50019e-04, p2=9.99019e-01; | |
621 | static Double_t p3=9.97135e-01, p4=3.15740e-04, p5=-1.35383e-06; | |
622 | static Double_t corr=1.0; | |
623 | if(eRec>=0.0 && eRec <=10.0) { | |
624 | corr = p0*(eRec-7.5) + p1*(eRec-7.5)*(eRec-7.5) + p2; | |
625 | } else if(eRec>10.0 && eRec <=105.0) { | |
626 | corr = p3 + p4*eRec + p5*eRec*eRec; | |
627 | } | |
628 | //printf(" eRec %f | corr %f \n", eRec, corr); | |
629 | return corr; | |
630 | } | |
af303720 | 631 | |
b217491f | 632 | Double_t AliEMCALHistoUtilities::GetCorrectedEnergyForGamma1(const Double_t eRec) |
0fc11500 | 633 | { |
b217491f | 634 | return GetCorrectionCoefficientForGamma1(eRec) * eRec; |
0fc11500 | 635 | } |
c0e92bad | 636 | |
637 | // Trigger | |
f544eec5 | 638 | TList* AliEMCALHistoUtilities::GetTriggersListOfHists(const Int_t scale, const Int_t nTrig, const Bool_t toBrowser) |
c0e92bad | 639 | { |
640 | // Oct 22, 2007 - trigger technical assurance | |
641 | gROOT->cd(); | |
642 | TH1::AddDirectory(1); | |
643 | ||
644 | new TH1F("00_hXpos2x2", "X coord. of max Amp 2x2",100, -500., +500.); | |
645 | new TH1F("01_hYpos2x2", "Y coord. of max Amp 2x2",100, -500., +500.); | |
646 | new TH1F("02_hZpos2x2", "Z coord. of max Amp 2x2",100, -500., +500.); | |
647 | new TH1F("03_hXposnxn", "X coord. of max Amp NXN",100, -500., +500.); | |
648 | new TH1F("04_hYposnxn", "Y coord. of max Amp NXN",100, -500., +500.); | |
649 | new TH1F("05_hZposnxn", "Z coord. of max Amp NXN",100, -500., +500.); | |
f544eec5 | 650 | // May 7, 2008 - jet trigger |
651 | new TH1F("06_hJetTriggerPhi", "%phi of COG of jet trigger patch", 110, 80., 190.); | |
652 | new TH1F("07_hJetTriggerEta", "%eta of COG of jet trigger patch", 70, -0.7, +0.7); | |
c0e92bad | 653 | // |
f544eec5 | 654 | new TH1F("08_hMaxAmp2x2", "max Amp 2x2", 1000, 0.0, pow(2.,14.)); |
655 | new TH1F("09_hAmpOutOf2x2", "Amp out of patch 2x2", 1000, 0.0, pow(2.,14.)); | |
656 | new TH1F("10_hMaxAmpnxn", "max Amp NXN", 1000, 0.0, pow(2.,14.)); | |
657 | new TH1F("11_hAmpOutOfnxn", "Amp out of patch nxn", 1000, 0.0, pow(2.,14.)); | |
658 | // May 7, 2008 - jet trigger | |
659 | for(Int_t i=0; i<nTrig; i++) { | |
660 | new TH1F(Form("%2.2i_hJetPatchAmp%2.2i",i+12,i), Form("jet patch amplitude : jet trig %i",i), | |
661 | 1000, 0.0, pow(2.,14.)); | |
662 | } | |
c0e92bad | 663 | // For checking |
664 | Double_t maxEdigit=100., maxN=1000., maxPC = 200.; | |
665 | if(scale==1) { | |
666 | maxN *= 10.; | |
667 | maxPC *= 10.; | |
668 | } | |
f544eec5 | 669 | Int_t ind = 12+nTrig; |
670 | new TH1F(Form("%2.2i_hDigitsAmp",ind++), "amplitude of digits (PC) ", 1001, -0.5, 1000.5); | |
671 | new TH1F(Form("%2.2i_hDigitsE",ind++), " energy of digits (PC)", 1000, 0.0, maxEdigit); | |
672 | new TH1F(Form("%2.2i_hNDigitsInPCs",ind++), " number of digits in PC's", 1000, 0.0, maxN); | |
673 | new TH1F(Form("%2.2i_hEinInPCs",ind++), " energy in PC's", 200, 0.0, maxPC); | |
c0e92bad | 674 | |
675 | return MoveHistsToList("TriggerLiOfHists", toBrowser); | |
676 | } | |
677 | ||
678 | void AliEMCALHistoUtilities::FillTriggersListOfHists(TList *l, TArrayF *triggerPosition, TArrayF *triggerAmplitudes) | |
679 | { | |
680 | // Oct 22, 2007 - trigger technical assurance | |
681 | if(l==0) { | |
682 | printf("<E> FillTriggersListOfHists() : list of hists undefined. \n"); | |
683 | return; | |
684 | } | |
f544eec5 | 685 | for(int i=0; i<triggerPosition->GetSize(); i++) { |
686 | FillH1(l, i, double(triggerPosition->At(i))); | |
c0e92bad | 687 | } |
f544eec5 | 688 | |
689 | for(int i=0; i<triggerAmplitudes->GetSize(); i++) { | |
690 | FillH1(l, triggerPosition->GetSize() + i, double(triggerAmplitudes->At(i)) ); | |
c0e92bad | 691 | } |
692 | } | |
693 | ||
694 | // Jet(s) kinematics | |
695 | TList* AliEMCALHistoUtilities::GetJetsListOfHists(Int_t njet, Bool_t toBrowser) | |
696 | { | |
697 | // Oct 30, 2007 | |
698 | gROOT->cd(); | |
699 | TH1::AddDirectory(1); | |
700 | new TH1F("00_nJet", "number of jets in Pythia",5, -0.5, +4.5); | |
701 | int ic=1; | |
702 | for(Int_t ij=0; ij<njet; ij++) | |
703 | { | |
704 | new TH1F(Form("%2.2i_EtaOfJet%i",ic++,ij), Form("#eta of jet (%i)",ij),80, -2., 2.); | |
705 | new TH1F(Form("%2.2i_ThetaOfJet%i",ic++,ij), Form("#theta(degree) of jet (%i)",ij), | |
706 | 180, 0.0, 180.); | |
707 | new TH1F(Form("%2.2i_PhiOfJet%i",ic++,ij), Form("#phi(degree) of jet (%i)",ij), | |
708 | 180, 0.0, 360.); | |
709 | new TH1F(Form("%2.2i_PtOfJet%i",ic++,ij), Form(" p_{T} of jet (%i)",ij), | |
710 | 200, 0.0, 200.); | |
711 | new TH1F(Form("%2.2i_EOfJet%i",ic++,ij), Form(" E of jet (%i)",ij), | |
712 | 200, 0.0, 200.); | |
713 | } | |
714 | ||
715 | return MoveHistsToList("JetLiOfHists", toBrowser); | |
716 | } | |
717 | ||
718 | void AliEMCALHistoUtilities::FillJetKineListOfHists(TList *l, AliRunLoader* rl, TLorentzVector &goodJet) | |
719 | { | |
720 | // Oct 30, 2007; Nov 07; | |
721 | // goodJet - output; only one jet with EMCAL acceptance | |
722 | ||
723 | // Bad case | |
724 | goodJet.SetPxPyPzE(0., 0., 0., 0.); | |
725 | ||
726 | if(l==0 || rl==0) return; | |
727 | //try to get trigger jet info | |
728 | AliHeader* alih = rl->GetHeader(); | |
729 | if (alih == 0) return; | |
730 | ||
731 | AliGenEventHeader * genh = alih->GenEventHeader(); | |
732 | if (genh == 0) return; | |
733 | ||
734 | AliGenPythiaEventHeader* genhpy = dynamic_cast<AliGenPythiaEventHeader *>(genh); | |
735 | if(genhpy==0) return; // Not Pythia | |
736 | ||
737 | Int_t nj = genhpy->NTriggerJets(); | |
738 | FillH1(l, 0, double(nj)); | |
739 | ||
740 | TLorentzVector* jets[4]; | |
741 | nj = nj>4?4:nj; | |
742 | ||
743 | int ic=1; | |
744 | for (Int_t i=0; i< nj; i++) { | |
745 | Float_t p[4]; | |
746 | genhpy->TriggerJet(i,p); | |
747 | jets[i] = new TLorentzVector(p); | |
748 | FillH1(l, ic++, jets[i]->Eta()); | |
749 | FillH1(l, ic++, jets[i]->Theta()*TMath::RadToDeg()); | |
750 | FillH1(l, ic++, TVector2::Phi_0_2pi(jets[i]->Phi())*TMath::RadToDeg()); | |
751 | FillH1(l, ic++, jets[i]->Pt()); | |
752 | FillH1(l, ic++, jets[i]->E()); | |
753 | ||
754 | //printf(" %i pj %f %f %f %f : ic %i\n", i, p[0], p[1], p[2], p[3], ic); | |
755 | if(ic >= l->GetSize()) break; | |
756 | } | |
757 | if(nj==1) { | |
758 | Double_t eta=jets[0]->Eta(), phi=TVector2::Phi_0_2pi(jets[0]->Phi())*TMath::RadToDeg(); | |
759 | if(TMath::Abs(eta)<0.5 && (phi>90.&&phi<180.)) { | |
760 | goodJet = (*jets[0]); | |
761 | } | |
762 | } | |
763 | } |