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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 | /* $Id: AliTRDgtuSim.cxx 28397 2008-09-02 09:33:00Z cblume $ */ | |
17 | ||
18 | //////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // GTU simulation // | |
21 | // // | |
22 | // Authors: J. Klein (Jochen.Klein@cern.ch) // | |
23 | // // | |
24 | //////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include <stdio.h> | |
27 | #include <fstream> | |
28 | #include <string> | |
29 | ||
30 | #include "TFile.h" | |
31 | #include "TROOT.h" | |
32 | #include "TClonesArray.h" | |
33 | ||
34 | #include "AliTRDgtuSim.h" | |
35 | #include "AliTRDmcmTracklet.h" | |
36 | #include "AliTRDgtuTMU.h" | |
37 | #include "AliTRDtrackGTU.h" | |
38 | #include "AliTRDtrackletWord.h" | |
39 | #include "AliTRDtrackletMCM.h" | |
40 | #include "AliESDEvent.h" | |
41 | ||
42 | #include "AliRun.h" | |
43 | #include "AliRunLoader.h" | |
44 | #include "AliLoader.h" | |
45 | #include "AliLog.h" | |
46 | ||
47 | ClassImp(AliTRDgtuSim) | |
48 | ||
49 | AliTRDgtuSim::AliTRDgtuSim(AliRunLoader *rl) | |
50 | : TObject(), | |
51 | fRunLoader(rl), | |
52 | fTMU(0x0), | |
53 | fTrackletArray(0x0), | |
54 | fTrackTree(0x0), | |
55 | fTrackletTree(0x0) | |
56 | { | |
57 | fTrackletTree = new TTree("gtutracklets", "Tree with GTU tracklets"); | |
58 | fTrackletTree->SetDirectory(0); | |
59 | } | |
60 | ||
61 | AliTRDgtuSim::~AliTRDgtuSim() | |
62 | { | |
63 | if (fTrackletArray) | |
64 | fTrackletArray->Delete(); | |
65 | delete fTrackletArray; | |
66 | delete fTrackletTree; | |
67 | } | |
68 | ||
69 | Bool_t AliTRDgtuSim::RunGTUFromTrackletFile(TString filename, Int_t event, Int_t noev) | |
70 | { | |
71 | AliInfo(Form("Running the GTU simulation on file: %s", filename.Data())); | |
72 | ifstream input(filename.Data()); | |
73 | ||
74 | std::string str; | |
75 | TString string; | |
76 | int lineno = 0; | |
77 | ||
78 | Int_t iEventPrev = -1; | |
79 | Int_t iStackPrev = -1; | |
80 | Int_t iSecPrev = -1; | |
81 | Int_t iSec = -1; | |
82 | Int_t iStack = -1; | |
83 | Int_t iLink = -1; | |
84 | Int_t iEvent = -1; | |
85 | Int_t evcnt = -1; | |
86 | ||
87 | fTMU = 0x0; | |
88 | ||
89 | AliInfo("--------- Reading from file ----------"); | |
90 | while (getline(input, str)) { | |
91 | lineno++; | |
92 | string = str; | |
93 | AliInfo(Form("Line %i : %s", lineno, string.Data())); | |
94 | ||
95 | TObjArray *tokens = string.Tokenize(" "); | |
96 | if (tokens->GetEntriesFast() < 7) { | |
97 | AliWarning(Form("Invalid input in line %i, too few parameters", lineno)); | |
98 | continue; | |
99 | } | |
100 | ||
101 | if ( ((TObjString*) tokens->At(0))->GetString().Atoi() < event) | |
102 | continue; | |
103 | ||
104 | iEvent = ((TObjString*) tokens->At(0))->GetString().Atoi(); | |
105 | iSec = ((TObjString*) tokens->At(1))->GetString().Atoi(); | |
106 | iStack = ((TObjString*) tokens->At(2))->GetString().Atoi(); | |
107 | iLink = 2 * ((TObjString*) tokens->At(3))->GetString().Atoi() + ((TObjString*) tokens->At(4))->GetString().Atoi(); | |
108 | ||
109 | if (iEvent != iEventPrev || iStack != iStackPrev || iSec != iSecPrev) { | |
110 | if(fTMU) { | |
111 | TList *ListOfTracks = new TList(); | |
112 | fTMU->SetStack(iStackPrev); | |
113 | fTMU->SetSector(iSecPrev); | |
114 | fTMU->RunTMU(ListOfTracks); | |
115 | AliInfo(Form("--- There are %i tracks. Writing ...", ListOfTracks->GetEntries())); | |
116 | WriteTracksToTree(ListOfTracks); | |
117 | fTMU->WriteTrackletsToTree(fTrackletTree); | |
118 | WriteTracksToDataFile(ListOfTracks, iEventPrev); | |
119 | if (ListOfTracks->GetEntries() > 0) | |
120 | AliInfo(Form(" %d GeV/c", ((AliTRDtrackGTU*) ListOfTracks->At(0))->GetPt() )); | |
121 | delete fTMU; | |
122 | fTMU = new AliTRDgtuTMU(); | |
123 | delete ListOfTracks; | |
124 | ListOfTracks = 0x0; | |
125 | } else { | |
126 | fTMU = new AliTRDgtuTMU(); | |
127 | } | |
128 | iStackPrev = iStack; | |
129 | iSecPrev = iSec; | |
130 | iEventPrev = iEvent; | |
131 | evcnt++; | |
132 | if (evcnt == noev) | |
133 | break; | |
134 | } | |
135 | for (Int_t i = 5; i < tokens->GetEntriesFast(); i++) { | |
136 | UInt_t trackletWord = 0; | |
137 | sscanf(((TObjString*) tokens->At(i))->GetString().Data(), "%x", &trackletWord); | |
138 | if (trackletWord == 0x10001000) | |
139 | break; | |
140 | AliInfo(Form("%i. tracklet: %s -> 0x%08x", i-4, ((TObjString*) tokens->At(i))->GetString().Data(), trackletWord)); | |
141 | AliTRDtrackletWord *trkl = new AliTRDtrackletWord(trackletWord); | |
142 | fTMU->AddTracklet(trkl, iLink); | |
143 | } | |
144 | } | |
145 | ||
146 | if (fTMU && evcnt < noev) { | |
147 | TList *ListOfTracks = new TList(); | |
148 | fTMU->SetStack(iStackPrev); | |
149 | fTMU->SetSector(iSecPrev); | |
150 | fTMU->RunTMU(ListOfTracks); | |
151 | WriteTracksToTree(ListOfTracks); | |
152 | fTMU->WriteTrackletsToTree(fTrackletTree); | |
153 | WriteTracksToDataFile(ListOfTracks, iEventPrev); | |
154 | delete fTMU; | |
155 | delete ListOfTracks; | |
156 | fTMU = 0x0; | |
157 | } | |
158 | ||
159 | AliInfo(Form("Analyzed %i events", evcnt)); | |
160 | return kTRUE; | |
161 | } | |
162 | ||
163 | Bool_t AliTRDgtuSim::RunGTU(AliLoader *loader, AliESDEvent *esd) | |
164 | { | |
165 | if (!LoadTracklets(loader)) { | |
166 | AliError("Could not load the tracklets. Aborting ..."); | |
167 | return kFALSE; | |
168 | } | |
169 | ||
170 | Int_t iStackPrev = -1; | |
171 | Int_t iSecPrev = -1; | |
172 | Int_t iSec = -1; | |
173 | Int_t iStack = -1; | |
174 | Int_t iLink = -1; | |
175 | ||
176 | if (fTMU) { | |
177 | delete fTMU; | |
178 | fTMU = 0x0; | |
179 | } | |
180 | ||
181 | TList *ListOfTracks = new TList(); | |
182 | ||
183 | TIter next(fTrackletArray); | |
184 | AliTRDtrackletBase *trkl; | |
185 | ||
186 | while ((trkl = (AliTRDtrackletBase*) next())) { | |
187 | iSec = trkl->GetDetector() / 30; | |
188 | iStack = (trkl->GetDetector() % 30) / 6; | |
189 | iLink = 2 * (trkl->GetDetector() % 6) + (trkl->GetYbin() < 0 ? 0 : 1); | |
190 | ||
191 | if (iStack != iStackPrev || iSec != iSecPrev) { | |
192 | if(fTMU) { | |
193 | fTMU->SetStack(iStackPrev); | |
194 | fTMU->SetSector(iSecPrev); | |
195 | fTMU->RunTMU(ListOfTracks); | |
196 | WriteTracksToTree(ListOfTracks); | |
197 | fTMU->WriteTrackletsToTree(fTrackletTree); | |
198 | WriteTracksToESD(ListOfTracks, esd); | |
199 | fTMU->Reset(); | |
200 | ListOfTracks->Delete(); | |
201 | } else { | |
202 | fTMU = new AliTRDgtuTMU(); | |
203 | } | |
204 | iStackPrev = iStack; | |
205 | iSecPrev = iSec; | |
206 | } | |
207 | fTMU->AddTracklet(trkl, iLink); | |
208 | } | |
209 | ||
210 | if (fTMU) { | |
211 | fTMU->SetStack(iStackPrev); | |
212 | fTMU->SetSector(iSecPrev); | |
213 | fTMU->RunTMU(ListOfTracks); | |
214 | WriteTracksToTree(ListOfTracks); | |
215 | fTMU->WriteTrackletsToTree(fTrackletTree); | |
216 | WriteTracksToESD(ListOfTracks, esd); | |
217 | delete fTMU; | |
218 | fTMU = 0x0; | |
219 | ListOfTracks->Delete(); | |
220 | } | |
221 | ||
222 | delete ListOfTracks; | |
223 | ||
224 | return kTRUE; | |
225 | } | |
226 | ||
227 | Bool_t AliTRDgtuSim::LoadTracklets(AliLoader *loader) | |
228 | { | |
229 | AliInfo("Loading tracklets ..."); | |
230 | ||
231 | if (!loader) { | |
232 | AliError("No loader given!"); | |
233 | return kFALSE; | |
234 | } | |
235 | ||
236 | AliDataLoader *trackletLoader = loader->GetDataLoader("tracklets"); | |
237 | if (!trackletLoader) { | |
238 | AliError("No tracklet loader found!"); | |
239 | return kFALSE; | |
240 | } | |
241 | ||
242 | trackletLoader->Load(); | |
243 | ||
244 | TTree *trackletTree = trackletLoader->Tree(); | |
245 | if (!trackletTree) { | |
246 | AliError("No tracklet tree found"); | |
247 | return kFALSE; | |
248 | } | |
249 | ||
250 | ||
251 | TBranch *trklbranch = trackletTree->GetBranch("mcmtrklbranch"); | |
252 | if (trklbranch) { | |
253 | if (!fTrackletArray) | |
254 | fTrackletArray = new TClonesArray("AliTRDtrackletMCM", 1000); | |
255 | else if ((TClass::GetClass("AliTRDtrackletMCM"))->InheritsFrom(fTrackletArray->Class())) | |
256 | fTrackletArray->Delete(); | |
257 | else { | |
258 | fTrackletArray->Delete(); | |
259 | delete fTrackletArray; | |
260 | fTrackletArray = new TClonesArray("AliTRDtrackletMCM", 1000); | |
261 | } | |
262 | ||
263 | AliTRDtrackletMCM *trkl = new AliTRDtrackletMCM; | |
264 | trklbranch->SetAddress(&trkl); | |
265 | for (Int_t iTracklet = 0; iTracklet < trklbranch->GetEntries(); iTracklet++) { | |
266 | trklbranch->GetEntry(iTracklet); | |
267 | new ((*fTrackletArray)[fTrackletArray->GetEntries()]) AliTRDtrackletMCM(*trkl); | |
268 | } | |
269 | return kTRUE; | |
270 | } | |
271 | ||
272 | trklbranch = trackletTree->GetBranch("trkbranch"); | |
273 | ||
274 | if (!trklbranch) { | |
275 | AliError("Could not get trkbranch"); | |
276 | return kFALSE; | |
277 | } | |
278 | ||
279 | if (!fTrackletArray) | |
280 | fTrackletArray = new TClonesArray("AliTRDtrackletWord", 1000); | |
281 | else if ((TClass::GetClass("AliTRDtrackletWord"))->InheritsFrom(fTrackletArray->Class())) | |
282 | fTrackletArray->Delete(); | |
283 | else { | |
284 | fTrackletArray->Delete(); | |
285 | delete fTrackletArray; | |
286 | fTrackletArray = new TClonesArray("AliTRDtrackletWord", 1000); | |
287 | } | |
288 | ||
289 | Int_t notrkl = 0; | |
290 | UInt_t *leaves = new UInt_t[258]; | |
291 | AliInfo(Form("No. of entries: %i", trklbranch->GetEntries())); | |
292 | ||
293 | for (Int_t iEntry = 0; iEntry < trklbranch->GetEntries(); iEntry++) { | |
294 | trklbranch->SetAddress(leaves); | |
295 | trklbranch->GetEntry(iEntry); | |
296 | for (Int_t iTracklet = 0; iTracklet < 256; iTracklet++) { | |
297 | if (leaves[2 + iTracklet] == 0) | |
298 | break; | |
299 | new((*fTrackletArray)[notrkl]) AliTRDtrackletWord(leaves[2 + iTracklet], leaves[0] + leaves[1]); | |
300 | notrkl++; | |
301 | } | |
302 | AliInfo(Form("Entry: %3i: Det: %3i, side: %i, 1st tracklet: 0x%08x, no: %i", iEntry, leaves[0], leaves[1], leaves[2], notrkl)); | |
303 | } | |
304 | ||
305 | return kTRUE; | |
306 | } | |
307 | ||
308 | Bool_t AliTRDgtuSim::WriteTracksToDataFile(TList *ListOfTracks, Int_t event) | |
309 | { | |
310 | Int_t sm = 0; | |
311 | Int_t stack = 0; | |
312 | ||
313 | FILE *out; | |
314 | out = fopen("test.data", "a"); | |
315 | ||
316 | AliInfo(Form("%i tracks found in event %i", ListOfTracks->GetSize(), event)); | |
317 | fprintf(out, "0 %5i %2i %i 00000000\n", event, sm, stack); | |
318 | for (Int_t i = 0; i < ListOfTracks->GetSize(); i++) { | |
319 | AliTRDtrackGTU *trk = (AliTRDtrackGTU*) ListOfTracks->At(i); | |
320 | sm = trk->GetSector(); | |
321 | stack = trk->GetStack(); | |
322 | fprintf(out, "1 %5i %2i %2i %3i %3i %3i %3i %3i %3i %3i %4i %f\n", event, sm, stack, trk->GetTrackletMask(), | |
323 | trk->GetTrackletIndex(5), | |
324 | trk->GetTrackletIndex(4), | |
325 | trk->GetTrackletIndex(3), | |
326 | trk->GetTrackletIndex(2), | |
327 | trk->GetTrackletIndex(1), | |
328 | trk->GetTrackletIndex(0), | |
329 | trk->GetPtInt(), | |
330 | trk->GetPt()); | |
331 | } | |
332 | fclose(out); | |
333 | return kTRUE; | |
334 | } | |
335 | ||
336 | Bool_t AliTRDgtuSim::WriteTracksToTree(TList *ListOfTracks, Int_t /*event*/) | |
337 | { | |
338 | AliInfo(Form("Writing %i tracks to the tree...", ListOfTracks->GetEntries())); | |
339 | ||
340 | if (!ListOfTracks) | |
341 | return kFALSE; | |
342 | ||
343 | if (ListOfTracks->GetEntries() <= 0) | |
344 | return kTRUE; | |
345 | ||
346 | if (!fTrackTree) { | |
347 | fTrackTree = new TTree("gtutracks", "GTU tracks"); | |
348 | fTrackTree->SetDirectory(0); | |
349 | } | |
350 | ||
351 | AliTRDtrackGTU *trk = 0x0; | |
352 | TBranch *branch = fTrackTree->GetBranch("TRDgtuTrack"); | |
353 | if (!branch) { | |
354 | branch = fTrackTree->Branch("TRDgtuTrack", "AliTRDtrackGTU", &trk, 32000, 99); | |
355 | } | |
356 | ||
357 | TIter next(ListOfTracks); | |
358 | while ((trk = (AliTRDtrackGTU*) next())) { | |
359 | trk->CookLabel(); | |
360 | branch->SetAddress(&trk); | |
361 | fTrackTree->Fill(); | |
362 | } | |
363 | fTrackTree->ResetBranchAddress(branch); | |
364 | ||
365 | return kTRUE; | |
366 | } | |
367 | ||
368 | Bool_t AliTRDgtuSim::WriteTreesToFile() { | |
369 | TFile *f = TFile::Open("TRD.GtuTracking.root", "RECREATE"); | |
370 | f->cd(); | |
371 | if (fTrackTree) | |
372 | f->WriteTObject(fTrackTree); | |
373 | if (fTrackletTree) | |
374 | f->WriteTObject(fTrackletTree); | |
375 | f->Close(); | |
376 | return kTRUE; | |
377 | } | |
378 | ||
379 | Bool_t AliTRDgtuSim::WriteTracksToESD(TList *ListOfTracks, AliESDEvent *esd) | |
380 | { | |
381 | if (esd) { | |
382 | TIter next(ListOfTracks); | |
383 | while (AliTRDtrackGTU *trk = (AliTRDtrackGTU*) next()) { | |
384 | AliESDTrdTrack *trdtrack = trk->CreateTrdTrack(); | |
385 | esd->AddTrdTrack(trdtrack); | |
386 | delete trdtrack; | |
387 | } | |
388 | } | |
389 | return kTRUE; | |
390 | } |