1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* $Id: AliTRDgtuSim.cxx 28397 2008-09-02 09:33:00Z cblume $ */
18 ////////////////////////////////////////////////////////////////////////////
22 // Authors: J. Klein (Jochen.Klein@cern.ch) //
24 ////////////////////////////////////////////////////////////////////////////
33 #include "TClonesArray.h"
36 #include "AliRunLoader.h"
37 #include "AliLoader.h"
38 #include "AliTreeLoader.h"
40 #include "AliESDTrdTrack.h"
41 #include "AliESDTrdTracklet.h"
43 #include "AliTRDgtuSim.h"
44 #include "AliTRDfeeParam.h"
45 #include "AliTRDgtuTMU.h"
46 #include "AliTRDtrackGTU.h"
47 #include "AliTRDtrackletWord.h"
48 #include "AliTRDtrackletMCM.h"
49 #include "AliESDEvent.h"
51 ClassImp(AliTRDgtuSim)
53 AliTRDgtuSim::AliTRDgtuSim(AliRunLoader *rl)
56 fFeeParam(AliTRDfeeParam::Instance()),
62 // fTrackletTree = new TTree("gtutracklets", "Tree with GTU tracklets");
63 // fTrackletTree->SetDirectory(0);
66 AliTRDgtuSim::~AliTRDgtuSim()
71 fTrackletArray->Clear();
72 delete fTrackletArray;
76 Bool_t AliTRDgtuSim::RunGTUFromTrackletFile(TString filename, Int_t event, Int_t noev)
78 // run the GTU from a file of tracklets
79 // used for comparison to VHDL simulation
81 ifstream input(filename.Data());
87 Int_t iEventPrev = -1;
88 Int_t iStackPrev = -1;
98 TClonesArray trklArray("AliTRDtrackletWord", 100);
99 TClonesArray trklArrayGTU("AliTRDtrackletGTU", 100);
101 AliDebug(1, Form("--------- Reading from %s ----------", filename.Data()));
102 while (getline(input, str)) {
106 TObjArray *tokens = string.Tokenize(" ");
107 if (tokens->GetEntriesFast() < 7) {
108 AliWarning(Form("Invalid input in line %i, too few parameters", lineno));
112 if ( ((TObjString*) tokens->At(0))->GetString().Atoi() < event)
115 iEvent = ((TObjString*) tokens->At(0))->GetString().Atoi();
116 iSec = ((TObjString*) tokens->At(1))->GetString().Atoi();
117 iStack = ((TObjString*) tokens->At(2))->GetString().Atoi();
118 iLink = 2 * ((TObjString*) tokens->At(3))->GetString().Atoi() + ((TObjString*) tokens->At(4))->GetString().Atoi();
120 if ((iEvent != iEventPrev) ||
121 (iStack != iStackPrev) ||
122 (iSec != iSecPrev)) {
124 TList *listOfTracks = new TList();
125 fTMU->SetStack(iStackPrev);
126 fTMU->SetSector(iSecPrev);
127 fTMU->RunTMU(listOfTracks);
128 AliDebug(1,Form("--- There are %i tracks. Writing ...", listOfTracks->GetEntries()));
129 WriteTracksToTree(listOfTracks);
130 // fTMU->WriteTrackletsToTree(fTrackletTree);
131 // WriteTracksToLoader(listOfTracks);
132 WriteTracksToDataFile(listOfTracks, iEventPrev);
133 if (listOfTracks->GetEntries() > 0)
134 AliDebug(2,Form(" %4.1f GeV/c", ((AliTRDtrackGTU*) listOfTracks->At(0))->GetPt() ));
136 fTMU = new AliTRDgtuTMU();
140 fTMU = new AliTRDgtuTMU();
149 for (Int_t i = 5; i < tokens->GetEntriesFast(); i++) {
150 UInt_t trackletWord = 0;
151 sscanf(((TObjString*) tokens->At(i))->GetString().Data(), "%i", &trackletWord);
152 if (trackletWord == 0x10001000)
154 AliDebug(2, Form("link: %2i trkl: %2i - %s -> 0x%08x",
155 iLink, i-4, ((TObjString*) tokens->At(i))->GetString().Data(), trackletWord));
156 AliTRDtrackletWord *tracklet = new (trklArray[trklArray.GetEntriesFast()]) AliTRDtrackletWord(trackletWord);
157 AliTRDtrackletGTU *trkl = new (trklArrayGTU[trklArrayGTU.GetEntriesFast()]) AliTRDtrackletGTU(tracklet);
159 fTMU->AddTracklet(trkl, iLink);
163 if (fTMU && evcnt < noev) {
164 TList *listOfTracks = new TList();
165 fTMU->SetStack(iStackPrev);
166 fTMU->SetSector(iSecPrev);
167 fTMU->RunTMU(listOfTracks);
168 WriteTracksToTree(listOfTracks);
169 // fTMU->WriteTrackletsToTree(fTrackletTree);
170 // WriteTracksToLoader(listOfTracks);
171 WriteTracksToDataFile(listOfTracks, iEventPrev);
177 AliInfo(Form("Analyzed %i events", evcnt));
181 Bool_t AliTRDgtuSim::RunGTU(AliLoader *loader, AliESDEvent *esd)
183 // run the GTU on tracklets taken from the loader
184 // if specified the GTU tracks are written to the ESD event
186 if (!fFeeParam->GetTracklet())
190 fTrackletArray->Clear();
193 if (!LoadTracklets(loader)) {
194 AliError("Could not load the tracklets. Nothing done ...");
202 AliDebug(1, Form("running on %i tracklets", fTrackletArray->GetEntriesFast()));
204 Int_t iStackPrev = -1;
215 TList *listOfTracks = new TList();
217 TIter next(fTrackletArray);
219 while (AliTRDtrackletGTU *trkl = (AliTRDtrackletGTU*) next()) {
220 iSec = trkl->GetDetector() / 30;
221 iStack = (trkl->GetDetector() % 30) / 6;
222 iLink = trkl->GetHCId() % 12;
224 if (iStack != iStackPrev || iSec != iSecPrev) {
226 fTMU->SetStack(iStackPrev);
227 fTMU->SetSector(iSecPrev);
228 fTMU->RunTMU(listOfTracks);
229 WriteTracksToTree(listOfTracks);
230 // fTMU->WriteTrackletsToTree(fTrackletTree);
231 WriteTracksToLoader(listOfTracks);
232 WriteTracksToESD(listOfTracks, esd);
234 listOfTracks->Delete();
236 fTMU = new AliTRDgtuTMU();
240 AliDebug(1, Form("now in sec %i, stack %i", iSec, iStack));
242 AliDebug(1, Form("adding tracklet: 0x%08x in sec %i stack %i link %i",
243 trkl->GetTrackletWord(), trkl->GetDetector() / 30, (trkl->GetDetector() % 30) / 6, trkl->GetHCId() % 12));
245 fTMU->AddTracklet(trkl, iLink);
250 fTMU->SetStack(iStackPrev);
251 fTMU->SetSector(iSecPrev);
252 fTMU->RunTMU(listOfTracks);
253 WriteTracksToTree(listOfTracks);
254 // fTMU->WriteTrackletsToTree(fTrackletTree);
255 WriteTracksToLoader(listOfTracks);
256 WriteTracksToESD(listOfTracks, esd);
259 listOfTracks->Delete();
267 Bool_t AliTRDgtuSim::LoadTracklets(const AliESDEvent *const esd)
269 AliDebug(1,"Loading tracklets from ESD event ...");
272 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
274 for (Int_t iTracklet = 0; iTracklet < esd->GetNumberOfTrdTracklets(); iTracklet++) {
275 AliESDTrdTracklet *trkl = esd->GetTrdTracklet(iTracklet);
276 new ((*fTrackletArray)[fTrackletArray->GetEntries()]) AliTRDtrackletGTU(trkl);
282 Bool_t AliTRDgtuSim::LoadTracklets(AliLoader *const loader)
284 // load the tracklets using the given loader
286 AliDebug(1,"Loading tracklets ...");
288 if (!fFeeParam->GetTracklet())
292 AliError("No loader given!");
296 AliDataLoader *trackletLoader = loader->GetDataLoader("tracklets");
297 if (!trackletLoader) {
298 AliError("No tracklet loader found!");
302 trackletLoader->Load();
303 TTree *trackletTree = 0x0;
305 // simulated tracklets
306 trackletTree = trackletLoader->Tree();
308 TBranch *trklbranch = trackletTree->GetBranch("mcmtrklbranch");
311 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
313 AliTRDtrackletMCM *trkl = 0x0;
314 trklbranch->SetAddress(&trkl);
315 for (Int_t iTracklet = 0; iTracklet < trklbranch->GetEntries(); iTracklet++) {
316 trklbranch->GetEntry(iTracklet);
317 new ((*fTrackletArray)[fTrackletArray->GetEntries()]) AliTRDtrackletGTU(new AliTRDtrackletMCM(*trkl));
324 AliTreeLoader *tl = (AliTreeLoader*) trackletLoader->GetBaseLoader("tracklets-raw");
325 trackletTree = tl ? tl->Load(), tl->Tree() : 0x0;
329 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
332 TClonesArray *ar = 0x0;
333 trackletTree->SetBranchAddress("hc", &hc);
334 trackletTree->SetBranchAddress("trkl", &ar);
336 for (Int_t iEntry = 0; iEntry < trackletTree->GetEntries(); iEntry++) {
337 trackletTree->GetEntry(iEntry);
338 AliDebug(2, Form("%i tracklets in HC %i", ar->GetEntriesFast(), hc));
339 for (Int_t iTracklet = 0; iTracklet < ar->GetEntriesFast(); iTracklet++) {
340 AliTRDtrackletWord *trklWord = (AliTRDtrackletWord*) (*ar)[iTracklet];
341 new((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletGTU(new AliTRDtrackletWord(trklWord->GetTrackletWord(), hc));
347 AliError("No raw tracklet tree found\n");
352 Bool_t AliTRDgtuSim::WriteTracksToDataFile(TList *listOfTracks, Int_t event)
354 // write the found tracks to a data file
355 // used for comparison to VHDL simulation
361 out = fopen("test.data", "a");
363 AliDebug(1,Form("%i tracks found in event %i", listOfTracks->GetSize(), event));
364 // fprintf(out, "0 %5i %2i %i 00000000\n", event, sm, stack);
365 for (Int_t i = 0; i < listOfTracks->GetSize(); i++) {
366 AliTRDtrackGTU *trk = (AliTRDtrackGTU*) listOfTracks->At(i);
367 sm = trk->GetSector();
368 stack = trk->GetStack();
370 ULong64_t trackWord = 1;
371 AppendBits(trackWord, 1, 0);
372 AppendBits(trackWord, 6, trk->GetTrackletMask());
373 AppendBits(trackWord, 18, (Int_t) trk->GetA());
374 AppendBits(trackWord, 18, (Int_t) trk->GetB());
375 AppendBits(trackWord, 12, (Int_t) trk->GetC());
376 AppendBits(trackWord, 8, trk->GetPID());
377 fprintf(out, "ev. %i sec. %i stack %i - track word: 0x%016llx, ",
378 event, sm, stack, trackWord);
381 AppendBits(trackWord, 11, 0); // flags
382 AppendBits(trackWord, 3, 0);
383 AppendBits(trackWord, 13, trk->GetYapprox());
384 AppendBits(trackWord, 6, trk->GetTrackletIndex(5));
385 AppendBits(trackWord, 6, trk->GetTrackletIndex(4));
386 AppendBits(trackWord, 6, trk->GetTrackletIndex(3));
387 AppendBits(trackWord, 6, trk->GetTrackletIndex(2));
388 AppendBits(trackWord, 6, trk->GetTrackletIndex(1));
389 AppendBits(trackWord, 6, trk->GetTrackletIndex(0));
390 fprintf(out, "extended track word: 0x%016llx\n", trackWord);
392 fprintf(out, "1 %5i %2i %2i %3i %3i %3i %3i %3i %3i %3i %4i %f\n", event, sm, stack, trk->GetTrackletMask(),
393 trk->GetTrackletIndex(5),
394 trk->GetTrackletIndex(4),
395 trk->GetTrackletIndex(3),
396 trk->GetTrackletIndex(2),
397 trk->GetTrackletIndex(1),
398 trk->GetTrackletIndex(0),
406 Bool_t AliTRDgtuSim::WriteTracksToTree(TList *listOfTracks, Int_t /*event*/)
408 // write the tracks to the tree for intermediate storage
410 AliDebug(1,Form("Writing %i tracks to the tree...", listOfTracks->GetEntries()));
415 if (listOfTracks->GetEntries() <= 0)
419 fTrackTree = new TTree("gtutracks", "GTU tracks");
420 fTrackTree->SetDirectory(0);
423 AliTRDtrackGTU *trk = 0x0;
424 TBranch *branch = fTrackTree->GetBranch("TRDgtuTrack");
426 branch = fTrackTree->Branch("TRDgtuTrack", "AliTRDtrackGTU", &trk, 32000, 99);
429 TIter next(listOfTracks);
430 while ((trk = (AliTRDtrackGTU*) next())) {
432 branch->SetAddress(&trk);
435 fTrackTree->ResetBranchAddress(branch);
440 Bool_t AliTRDgtuSim::WriteTreesToFile() const {
441 // write the trees holding tracklets and tracks to file
443 TFile *f = TFile::Open("TRD.GtuTracking.root", "RECREATE");
446 f->WriteTObject(fTrackTree);
448 f->WriteTObject(fTrackletTree);
453 Bool_t AliTRDgtuSim::WriteTracksToESD(const TList * const listOfTracks, AliESDEvent *esd)
455 // fill the found tracks to the given ESD event
458 TIter next(listOfTracks);
459 while (AliTRDtrackGTU *trk = (AliTRDtrackGTU*) next()) {
460 AliESDTrdTrack *trdtrack = trk->CreateTrdTrack();
461 if (trdtrack->GetLabel() < 0)
462 trdtrack->SetLabel(-2);
463 esd->AddTrdTrack(trdtrack);
470 Bool_t AliTRDgtuSim::WriteTracksToLoader(const TList * const listOfTracks)
472 // write the GTU tracks to the dedicated loader
473 // these tracks contain more information than the ones in the ESD
476 AliDebug(1, "No track tree found!");
480 AliRunLoader *rl = AliRunLoader::Instance();
481 AliDataLoader *dl = 0x0;
483 dl = rl->GetLoader("TRDLoader")->GetDataLoader("gtutracks");
485 AliError("Could not get the GTU-track data loader!");
489 TTree *trackTree = dl->Tree();
492 trackTree = dl->Tree();
495 AliTRDtrackGTU *trk = 0x0;
497 if (!trackTree->GetBranch("TRDtrackGTU"))
498 trackTree->Branch("TRDtrackGTU", "AliTRDtrackGTU", &trk, 32000);
500 TIter next(listOfTracks);
501 while ((trk = (AliTRDtrackGTU*) next())) {
502 trackTree->SetBranchAddress("TRDtrackGTU", &trk);
506 dl->WriteData("OVERWRITE");