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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, 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 | ||
16 | ||
17 | //--------------------------------------------------------------------- | |
18 | // FastJet v2.3.4 finder algorithm interface | |
19 | // Last modification: Neutral cell energy included in the jet reconstruction | |
20 | // | |
21 | // Authors: Rafael.Diaz.Valdes@cern.ch | |
22 | // Magali.estienne@subatech.in2p3.fr (neutral part + bg subtraction option) | |
23 | // | |
24 | //--------------------------------------------------------------------- | |
25 | ||
26 | ||
27 | #include <Riostream.h> | |
28 | #include <TLorentzVector.h> | |
29 | #include <TFile.h> | |
30 | #include <TH1F.h> | |
31 | #include <TH2F.h> | |
32 | #include <TArrayF.h> | |
33 | #include <TClonesArray.h> | |
34 | ||
35 | #include "AliFastJetFinder.h" | |
36 | #include "AliFastJetHeaderV1.h" | |
37 | #include "AliJetReaderHeader.h" | |
38 | #include "AliJetReader.h" | |
39 | #include "AliJetUnitArray.h" | |
40 | #include "AliFastJetInput.h" | |
41 | #include "AliJetBkg.h" | |
42 | #include "AliAODJetEventBackground.h" | |
43 | #include "AliAODTrack.h" | |
44 | ||
45 | #include "fastjet/PseudoJet.hh" | |
46 | #include "fastjet/ClusterSequenceArea.hh" | |
47 | #include "fastjet/AreaDefinition.hh" | |
48 | #include "fastjet/JetDefinition.hh" | |
49 | // get info on how fastjet was configured | |
50 | #include "fastjet/config.h" | |
51 | ||
52 | #ifdef ENABLE_PLUGIN_SISCONE | |
53 | #include "fastjet/SISConePlugin.hh" | |
54 | #endif | |
55 | ||
56 | #include<sstream> // needed for internal io | |
57 | #include<vector> | |
58 | #include <cmath> | |
59 | ||
60 | using namespace std; | |
61 | ||
62 | ||
63 | ClassImp(AliFastJetFinder) | |
64 | ||
65 | ||
66 | //____________________________________________________________________________ | |
67 | ||
68 | AliFastJetFinder::AliFastJetFinder(): | |
69 | AliJetFinder(), | |
70 | fInputFJ(new AliFastJetInput()), | |
71 | fJetBkg(new AliJetBkg()) | |
72 | { | |
73 | // Constructor | |
74 | } | |
75 | ||
76 | //____________________________________________________________________________ | |
77 | ||
78 | AliFastJetFinder::~AliFastJetFinder() | |
79 | { | |
80 | // destructor | |
81 | delete fInputFJ; fInputFJ = 0; | |
82 | delete fJetBkg; fJetBkg = 0; | |
83 | } | |
84 | ||
85 | //______________________________________________________________________________ | |
86 | void AliFastJetFinder::FindJets() | |
87 | { | |
88 | ||
89 | //pick up fastjet header | |
90 | AliFastJetHeaderV1 *header = (AliFastJetHeaderV1*)fHeader; | |
91 | Int_t debug = header->GetDebug(); // debug option | |
92 | Bool_t bgMode = header->GetBGMode(); // choose to subtract BG or not | |
93 | if(debug)cout<<"----------in AliFastJetFinder::FindJets() ------------------"<<endl; | |
94 | ||
95 | // check if we are reading AOD jets | |
96 | TRefArray *refs = 0; | |
97 | Bool_t fromAod = !strcmp(fReader->ClassName(),"AliJetAODReader"); | |
98 | if (fromAod) { refs = fReader->GetReferences(); } | |
99 | ||
100 | // RUN ALGORITHM | |
101 | // read input particles ----------------------------- | |
102 | ||
103 | vector<fastjet::PseudoJet> inputParticles=fInputFJ->GetInputParticles(); | |
104 | if(inputParticles.size()==0){ | |
105 | if(debug)Printf("%s:%d No input particles found, skipping event",(char*)__FILE__,__LINE__); | |
106 | return; | |
107 | } | |
108 | ||
109 | // create an object that represents your choice of jet algorithm, and | |
110 | // the associated parameters | |
111 | double rParam = header->GetRparam(); | |
112 | fastjet::Strategy strategy = header->GetStrategy(); | |
113 | fastjet::RecombinationScheme recombScheme = header->GetRecombScheme(); | |
114 | fastjet::JetAlgorithm algorithm = header->GetAlgorithm(); | |
115 | fastjet::JetDefinition jetDef(algorithm, rParam, recombScheme, strategy); | |
116 | ||
117 | // create an object that specifies how we to define the area | |
118 | fastjet::AreaDefinition areaDef; | |
119 | double ghostEtamax = header->GetGhostEtaMax(); | |
120 | double ghostArea = header->GetGhostArea(); | |
121 | int activeAreaRepeats = header->GetActiveAreaRepeats(); | |
122 | ||
123 | // now create the object that holds info about ghosts | |
124 | fastjet::GhostedAreaSpec ghostSpec(ghostEtamax, activeAreaRepeats, ghostArea); | |
125 | // and from that get an area definition | |
126 | fastjet::AreaType areaType = header->GetAreaType(); | |
127 | areaDef = fastjet::AreaDefinition(areaType,ghostSpec); | |
128 | ||
129 | ||
130 | ||
131 | ||
132 | ||
133 | if(bgMode) // BG subtraction!!!!!!!!!! Not entering here | |
134 | { | |
135 | //***************************** JETS FINDING AND EXTRACTION | |
136 | // run the jet clustering with the above jet definition | |
137 | fastjet::ClusterSequenceArea clust_seq(inputParticles, jetDef, areaDef); | |
138 | ||
139 | // save a comment in the header | |
140 | ||
141 | TString comment = "Running FastJet algorithm with the following setup. "; | |
142 | comment+= "Jet definition: "; | |
143 | comment+= TString(jetDef.description()); | |
144 | comment+= ". Area definition: "; | |
145 | comment+= TString(areaDef.description()); | |
146 | comment+= ". Strategy adopted by FastJet: "; | |
147 | comment+= TString(clust_seq.strategy_string()); | |
148 | header->SetComment(comment); | |
149 | if(debug){ | |
150 | cout << "--------------------------------------------------------" << endl; | |
151 | cout << comment << endl; | |
152 | cout << "--------------------------------------------------------" << endl; | |
153 | } | |
154 | //header->PrintParameters(); | |
155 | ||
156 | ||
157 | // extract the inclusive jets with pt > ptmin, sorted by pt | |
158 | double ptmin = header->GetPtMin(); | |
159 | vector<fastjet::PseudoJet> inclusiveJets = clust_seq.inclusive_jets(ptmin); | |
160 | ||
161 | //cout << "Number of unclustered particles: " << clust_seq.unclustered_particles().size() << endl; | |
162 | ||
163 | ||
164 | //subtract background // =========================================== | |
165 | // set the rapididty , phi range within which to study the background | |
166 | double rapMax = header->GetRapMax(); | |
167 | double rapMin = header->GetRapMin(); | |
168 | double phiMax = header->GetPhiMax(); | |
169 | double phiMin = header->GetPhiMin(); | |
170 | fastjet::RangeDefinition range(rapMin, rapMax, phiMin, phiMax); | |
171 | ||
172 | // subtract background | |
173 | vector<fastjet::PseudoJet> subJets = clust_seq.subtracted_jets(range,ptmin); | |
174 | ||
175 | // print out | |
176 | //cout << "Printing inclusive sub jets with pt > "<< ptmin<<" GeV\n"; | |
177 | //cout << "---------------------------------------\n"; | |
178 | //cout << endl; | |
179 | //printf(" ijet rap phi Pt area +- err\n"); | |
180 | ||
181 | // sort jets into increasing pt | |
182 | vector<fastjet::PseudoJet> jets = sorted_by_pt(subJets); | |
183 | for (size_t j = 0; j < jets.size(); j++) { // loop for jets | |
184 | ||
185 | double area = clust_seq.area(jets[j]); | |
186 | double areaError = clust_seq.area_error(jets[j]); | |
187 | ||
188 | if(debug) printf("Jet found %5d %9.5f %8.5f %10.3f %8.3f +- %6.3f\n", (Int_t)j,jets[j].rap(),jets[j].phi(),jets[j].perp(), area, areaError); | |
189 | ||
190 | // go to write AOD info | |
191 | AliAODJet aodjet (jets[j].px(), jets[j].py(), jets[j].pz(), jets[j].E()); | |
192 | //cout << "Printing jet " << endl; | |
193 | if(debug) aodjet.Print(""); | |
194 | //cout << "Adding jet ... " ; | |
195 | AddJet(aodjet); | |
196 | //cout << "added \n" << endl; | |
197 | ||
198 | } | |
199 | } | |
200 | ||
201 | ||
202 | ||
203 | ||
204 | ||
205 | ||
206 | else { // No BG subtraction!!!!!!!! Default header is bgmode=0. | |
207 | ||
208 | TClonesArray* fUnit = fReader->GetUnitArray(); //Big mmentum array | |
209 | if(fUnit == 0) { cout << "Could not get the momentum array" << endl; return; } | |
210 | Int_t nIn = fUnit->GetEntries(); | |
211 | ||
212 | ||
213 | //fastjet::ClusterSequence clust_seq(inputParticles, jetDef); | |
214 | fastjet::ClusterSequenceArea clust_seq(inputParticles, jetDef, areaDef); | |
215 | ||
216 | // save a comment in the header | |
217 | ||
218 | TString comment = "Running FastJet algorithm with the following setup. "; | |
219 | comment+= "Jet definition: "; | |
220 | comment+= TString(jetDef.description()); | |
221 | comment+= ". Strategy adopted by FastJet: "; | |
222 | comment+= TString(clust_seq.strategy_string()); | |
223 | header->SetComment(comment); | |
224 | if(debug){ | |
225 | cout << "--------------------------------------------------------" << endl; | |
226 | cout << comment << endl; | |
227 | cout << "--------------------------------------------------------" << endl; | |
228 | } | |
229 | //header->PrintParameters(); | |
230 | ||
231 | // extract the inclusive jets with pt > ptmin, sorted by pt | |
232 | double ptmin = header->GetPtMin(); | |
233 | vector<fastjet::PseudoJet> inclusiveJets = clust_seq.inclusive_jets(ptmin); | |
234 | ||
235 | //cout << "Number of unclustered particles: " << clust_seq.unclustered_particles().size() << endl; | |
236 | ||
237 | vector<fastjet::PseudoJet> jets = sorted_by_pt(inclusiveJets); // Added by me | |
238 | for (size_t j = 0; j < jets.size(); j++) { // loop for jets // Added by me | |
239 | ||
240 | if(debug) printf("Jet found %5d %9.5f %8.5f %10.3f \n",(Int_t)j,jets[j].rap(),jets[j].phi(),jets[j].perp()); | |
241 | ||
242 | vector<fastjet::PseudoJet> constituents = clust_seq.constituents(jets[j]); | |
243 | int nCon= constituents.size(); | |
244 | TArrayI ind(nCon); | |
245 | Double_t area=clust_seq.area(jets[j]); | |
246 | // go to write AOD info | |
247 | AliAODJet aodjet (jets[j].px(), jets[j].py(), jets[j].pz(), jets[j].E()); | |
248 | aodjet.SetEffArea(area,0); | |
249 | //cout << "Printing jet " << endl; | |
250 | if(debug) aodjet.Print(""); | |
251 | Int_t count=0; | |
252 | for (int i=0; i < nCon; i++) | |
253 | { | |
254 | fastjet::PseudoJet mPart=constituents[i]; | |
255 | ind[i]=mPart.user_index(); | |
256 | // cout<<i<<" index="<<ind[i]<<endl; | |
257 | ||
258 | //internal loop over all the unit cells | |
259 | Int_t ipart = 0; | |
260 | // count=0; | |
261 | for(Int_t ii=0; ii<nIn; ii++) | |
262 | { | |
263 | AliJetUnitArray *uArray = (AliJetUnitArray*)fUnit->At(ii); | |
264 | if(uArray->GetUnitEnergy()>0.){ | |
265 | uArray->SetUnitTrackID(ipart);//used to have the index available in AliJEtBkg | |
266 | if(ipart==ind[i]){ | |
267 | TRefArray* trackArray = (TRefArray*)uArray->GetUnitTrackRef(); | |
268 | Int_t tracksInCell = trackArray->GetEntries(); | |
269 | for(int ji = 0; ji < tracksInCell; ji++){ | |
270 | AliAODTrack * track = (AliAODTrack*)trackArray->At(ji); | |
271 | aodjet.AddTrack(track); | |
272 | } | |
273 | ||
274 | count++; | |
275 | } | |
276 | ipart++; | |
277 | } | |
278 | } | |
279 | } | |
280 | ||
281 | ||
282 | ||
283 | AddJet(aodjet); | |
284 | ||
285 | } // end loop for jets | |
286 | } | |
287 | ||
288 | } | |
289 | ||
290 | //____________________________________________________________________________ | |
291 | void AliFastJetFinder::RunTest(const char* datafile) | |
292 | ||
293 | { | |
294 | ||
295 | // This simple test run the kt algorithm for an ascii file testdata.dat | |
296 | // read input particles ----------------------------- | |
297 | vector<fastjet::PseudoJet> inputParticles; | |
298 | Float_t px,py,pz,en; | |
299 | ifstream in; | |
300 | Int_t nlines = 0; | |
301 | // we assume a file basic.dat in the current directory | |
302 | // this file has 3 columns of float data | |
303 | in.open(datafile); | |
304 | while (1) { | |
305 | in >> px >> py >> pz >> en; | |
306 | if (!in.good()) break; | |
307 | //printf("px=%8f, py=%8f, pz=%8fn",px,py,pz); | |
308 | nlines++; | |
309 | inputParticles.push_back(fastjet::PseudoJet(px,py,pz,en)); | |
310 | } | |
311 | //printf(" found %d pointsn",nlines); | |
312 | in.close(); | |
313 | ////////////////////////////////////////////////// | |
314 | ||
315 | // create an object that represents your choice of jet algorithm, and | |
316 | // the associated parameters | |
317 | double rParam = 1.0; | |
318 | fastjet::Strategy strategy = fastjet::Best; | |
319 | fastjet::RecombinationScheme recombScheme = fastjet::BIpt_scheme; | |
320 | fastjet::JetDefinition jetDef(fastjet::kt_algorithm, rParam, recombScheme, strategy); | |
321 | ||
322 | ||
323 | ||
324 | // create an object that specifies how we to define the area | |
325 | fastjet::AreaDefinition areaDef; | |
326 | double ghostEtamax = 7.0; | |
327 | double ghostArea = 0.05; | |
328 | int activeAreaRepeats = 1; | |
329 | ||
330 | ||
331 | // now create the object that holds info about ghosts | |
332 | fastjet::GhostedAreaSpec ghostSpec(ghostEtamax, activeAreaRepeats, ghostArea); | |
333 | // and from that get an area definition | |
334 | areaDef = fastjet::AreaDefinition(fastjet::active_area,ghostSpec); | |
335 | ||
336 | ||
337 | // run the jet clustering with the above jet definition | |
338 | fastjet::ClusterSequenceArea clust_seq(inputParticles, jetDef, areaDef); | |
339 | ||
340 | ||
341 | // tell the user what was done | |
342 | cout << "--------------------------------------------------------" << endl; | |
343 | cout << "Jet definition was: " << jetDef.description() << endl; | |
344 | cout << "Area definition was: " << areaDef.description() << endl; | |
345 | cout << "Strategy adopted by FastJet was "<< clust_seq.strategy_string()<<endl<<endl; | |
346 | cout << "--------------------------------------------------------" << endl; | |
347 | ||
348 | ||
349 | // extract the inclusive jets with pt > 5 GeV, sorted by pt | |
350 | double ptmin = 5.0; | |
351 | vector<fastjet::PseudoJet> inclusiveJets = clust_seq.inclusive_jets(ptmin); | |
352 | ||
353 | cout << "Number of unclustered particles: " << clust_seq.unclustered_particles().size() << endl; | |
354 | ||
355 | ||
356 | //subtract background // =========================================== | |
357 | // set the rapididty range within which to study the background | |
358 | double rapMax = ghostEtamax - rParam; | |
359 | fastjet::RangeDefinition range(rapMax); | |
360 | // subtract background | |
361 | vector<fastjet::PseudoJet> subJets = clust_seq.subtracted_jets(range,ptmin); | |
362 | ||
363 | // print them out //================================================ | |
364 | cout << "Printing inclusive jets after background subtraction \n"; | |
365 | cout << "------------------------------------------------------\n"; | |
366 | // sort jets into increasing pt | |
367 | vector<fastjet::PseudoJet> jets = sorted_by_pt(subJets); | |
368 | ||
369 | printf(" ijet rap phi Pt area +- err\n"); | |
370 | for (size_t j = 0; j < jets.size(); j++) { | |
371 | ||
372 | double area = clust_seq.area(jets[j]); | |
373 | double areaError = clust_seq.area_error(jets[j]); | |
374 | ||
375 | printf("%5d %9.5f %8.5f %10.3f %8.3f +- %6.3f\n",(Int_t)j,jets[j].rap(), | |
376 | jets[j].phi(),jets[j].perp(), area, areaError); | |
377 | } | |
378 | cout << endl; | |
379 | // ================================================================ | |
380 | ||
381 | ||
382 | ||
383 | } | |
384 | ||
385 | //____________________________________________________________________________ | |
386 | ||
387 | void AliFastJetFinder::WriteJHeaderToFile() const | |
388 | { | |
389 | fHeader->Write(); | |
390 | } | |
391 | ||
392 | //____________________________________________________________________________ | |
393 | ||
394 | Float_t AliFastJetFinder::EtaToTheta(Float_t arg) | |
395 | { | |
396 | // return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
397 | return 2.*atan(exp(-arg)); | |
398 | ||
399 | ||
400 | } | |
401 | ||
402 | //____________________________________________________________________________ | |
403 | ||
404 | void AliFastJetFinder::InitTask(TChain *tree) | |
405 | { | |
406 | ||
407 | printf("Fast jet finder initialization ******************"); | |
408 | fReader->CreateTasks(tree); | |
409 | ||
410 | } | |
411 | ||
412 | ||
413 | Bool_t AliFastJetFinder::ProcessEvent() | |
414 | { | |
415 | // | |
416 | // Process one event | |
417 | // from meomntum array | |
418 | ||
419 | Bool_t ok = fReader->FillMomentumArray(); | |
420 | ||
421 | if (!ok) return kFALSE; | |
422 | fInputFJ->SetHeader(fHeader); | |
423 | fInputFJ->SetReader(fReader); | |
424 | fInputFJ->FillInput(); | |
425 | // Jets | |
426 | FindJets(); | |
427 | ||
428 | fJetBkg->SetHeader(fHeader); | |
429 | fJetBkg->SetReader(fReader); | |
430 | Double_t sigma1,meanarea1,sigma2,meanarea2; | |
431 | Double_t bkg1,bkg2; | |
432 | fJetBkg->SetFastJetInput(fInputFJ); | |
433 | fJetBkg->BkgFastJetb(bkg1,sigma1,meanarea1); | |
434 | fJetBkg->BkgFastJetWoHardest(bkg2,sigma2,meanarea2); | |
435 | fAODEvBkg->SetBackground(0,bkg1,sigma1,meanarea1); | |
436 | fAODEvBkg->SetBackground(1,bkg2,sigma2,meanarea2); | |
437 | ||
438 | ||
439 | ||
440 | ||
441 | ||
442 | /* | |
443 | fJetBkg->SetFastJetInput(fInputFJ); | |
444 | Double_t bkg1=fJetBkg->BkgFastJet(); | |
445 | Double_t bkg2=fJetBkg->BkgChargedFastJet(); | |
446 | Double_t bkg3=fJetBkg->BkgFastJetCone(fAODjets); | |
447 | Double_t bkg4=fJetBkg->BkgRemoveJetLeading(fAODjets); | |
448 | ||
449 | fAODEvBkg->SetBackground(0,bkg1); | |
450 | fAODEvBkg->SetBackground(1,bkg2); | |
451 | fAODEvBkg->SetBackground(2,bkg3); | |
452 | fAODEvBkg->SetBackground(3,bkg4); | |
453 | */ | |
454 | Reset(); | |
455 | return kTRUE; | |
456 | ||
457 | } | |
458 | ||
459 | Bool_t AliFastJetFinder::ProcessEvent2() | |
460 | { | |
461 | // | |
462 | // Process one event | |
463 | // Charged only or charged+neutral jets | |
464 | // | |
465 | ||
466 | TRefArray* ref = new TRefArray(); | |
467 | Bool_t procid = kFALSE; | |
468 | Bool_t ok = fReader->ExecTasks(procid,ref); | |
469 | ||
470 | // Delete reference pointer | |
471 | if (!ok) {delete ref; return kFALSE;} | |
472 | ||
473 | // Leading particles | |
474 | fInputFJ->SetHeader(fHeader); | |
475 | fInputFJ->SetReader(fReader); | |
476 | fInputFJ->FillInput(); | |
477 | ||
478 | // Jets | |
479 | FindJets(); | |
480 | ||
481 | fJetBkg->SetHeader(fHeader); | |
482 | fJetBkg->SetReader(fReader); | |
483 | fJetBkg->SetFastJetInput(fInputFJ); | |
484 | Double_t sigma1,meanarea1,sigma2,meanarea2; | |
485 | Double_t bkg1,bkg2; | |
486 | fJetBkg->BkgFastJetb(bkg1,sigma1,meanarea1); | |
487 | fJetBkg->BkgFastJetWoHardest(bkg2,sigma2,meanarea2); | |
488 | fAODEvBkg->SetBackground(0,bkg1,sigma1,meanarea1); | |
489 | fAODEvBkg->SetBackground(1,bkg2,sigma2,meanarea2); | |
490 | ||
491 | ||
492 | ||
493 | // Double_t bkg1=fJetBkg->BkgFastJet(); | |
494 | // Double_t bkg2=fJetBkg->BkgChargedFastJet(); | |
495 | // Double_t bkg3=fJetBkg->BkgFastJetCone(fAODjets); | |
496 | // Double_t bkg4=fJetBkg->BkgRemoveJetLeading(fAODjets); | |
497 | ||
498 | // fAODEvBkg->SetBackground(0,bkg1); | |
499 | // fAODEvBkg->SetBackground(1,bkg2); | |
500 | // fAODEvBkg->SetBackground(2,bkg3); | |
501 | // fAODEvBkg->SetBackground(3,bkg4); | |
502 | ||
503 | Int_t nEntRef = ref->GetEntries(); | |
504 | ||
505 | for(Int_t i=0; i<nEntRef; i++) | |
506 | { | |
507 | // Reset the UnitArray content which were referenced | |
508 | ((AliJetUnitArray*)ref->At(i))->SetUnitTrackID(0); | |
509 | ((AliJetUnitArray*)ref->At(i))->SetUnitEnergy(0.); | |
510 | ((AliJetUnitArray*)ref->At(i))->SetUnitCutFlag(kPtSmaller); | |
511 | ((AliJetUnitArray*)ref->At(i))->SetUnitCutFlag2(kPtSmaller); | |
512 | ((AliJetUnitArray*)ref->At(i))->SetUnitSignalFlag(kBad); | |
513 | ((AliJetUnitArray*)ref->At(i))->SetUnitSignalFlagC(kTRUE,kBad); | |
514 | ((AliJetUnitArray*)ref->At(i))->SetUnitDetectorFlag(kTpc); | |
515 | ((AliJetUnitArray*)ref->At(i))->SetUnitFlag(kOutJet); | |
516 | ((AliJetUnitArray*)ref->At(i))->ClearUnitTrackRef(); | |
517 | ||
518 | // Reset process ID | |
519 | AliJetUnitArray* uA = (AliJetUnitArray*)ref->At(i); | |
520 | uA->ResetBit(kIsReferenced); | |
521 | uA->SetUniqueID(0); | |
522 | } | |
523 | ||
524 | // Delete the reference pointer | |
525 | ref->Delete(); | |
526 | delete ref; | |
527 | ||
528 | Reset(); | |
529 | ||
530 | return kTRUE; | |
531 | } |