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()),
63 AliTRDgtuSim::~AliTRDgtuSim()
68 fTrackletArray->Clear();
69 delete fTrackletArray;
72 Bool_t AliTRDgtuSim::RunGTUFromTrackletFile(TString filename, Int_t event, Int_t noev)
74 // run the GTU from a file of tracklets
75 // used for comparison to VHDL simulation
77 ifstream input(filename.Data());
83 Int_t iEventPrev = -1;
84 Int_t iStackPrev = -1;
94 TClonesArray trklArray("AliTRDtrackletWord", 100);
95 TClonesArray trklArrayGTU("AliTRDtrackletGTU", 100);
97 AliDebug(1, Form("--------- Reading from %s ----------", filename.Data()));
98 while (getline(input, str)) {
102 TObjArray *tokens = string.Tokenize(" ");
103 if (tokens->GetEntriesFast() < 7) {
104 AliWarning(Form("Invalid input in line %i, too few parameters", lineno));
108 if ( ((TObjString*) tokens->At(0))->GetString().Atoi() < event)
111 iEvent = ((TObjString*) tokens->At(0))->GetString().Atoi();
112 iSec = ((TObjString*) tokens->At(1))->GetString().Atoi();
113 iStack = ((TObjString*) tokens->At(2))->GetString().Atoi();
114 iLink = 2 * ((TObjString*) tokens->At(3))->GetString().Atoi() + ((TObjString*) tokens->At(4))->GetString().Atoi();
116 if ((iEvent != iEventPrev) ||
117 (iStack != iStackPrev) ||
118 (iSec != iSecPrev)) {
120 TList *listOfTracks = new TList();
121 fTMU->SetStack(iStackPrev);
122 fTMU->SetSector(iSecPrev);
123 fTMU->RunTMU(listOfTracks);
124 AliDebug(1,Form("--- There are %i tracks. Writing ...", listOfTracks->GetEntries()));
125 WriteTracksToDataFile(listOfTracks, iEventPrev);
126 if (listOfTracks->GetEntries() > 0)
127 AliDebug(2,Form(" %4.1f GeV/c", ((AliTRDtrackGTU*) listOfTracks->At(0))->GetPt() ));
129 fTMU = new AliTRDgtuTMU();
133 fTMU = new AliTRDgtuTMU();
142 for (Int_t i = 5; i < tokens->GetEntriesFast(); i++) {
143 UInt_t trackletWord = 0;
144 sscanf(((TObjString*) tokens->At(i))->GetString().Data(), "%i", &trackletWord);
145 if (trackletWord == 0x10001000)
147 AliDebug(2, Form("link: %2i trkl: %2i - %s -> 0x%08x",
148 iLink, i-4, ((TObjString*) tokens->At(i))->GetString().Data(), trackletWord));
149 AliTRDtrackletWord *tracklet = new (trklArray[trklArray.GetEntriesFast()]) AliTRDtrackletWord(trackletWord);
150 AliTRDtrackletGTU *trkl = new (trklArrayGTU[trklArrayGTU.GetEntriesFast()]) AliTRDtrackletGTU(tracklet);
152 fTMU->AddTracklet(trkl, iLink);
156 if (fTMU && evcnt < noev) {
157 TList *listOfTracks = new TList();
158 fTMU->SetStack(iStackPrev);
159 fTMU->SetSector(iSecPrev);
160 fTMU->RunTMU(listOfTracks);
161 WriteTracksToDataFile(listOfTracks, iEventPrev);
167 AliInfo(Form("Analyzed %i events", evcnt));
171 Bool_t AliTRDgtuSim::RunGTU(AliLoader *loader, AliESDEvent *esd)
173 // run the GTU on tracklets taken from the loader
174 // if specified the GTU tracks are written to the ESD event
176 if (!fFeeParam->GetTracklet())
180 fTrackletArray->Clear();
183 if (!LoadTracklets(loader)) {
184 AliError("Could not load the tracklets. Nothing done ...");
192 AliDebug(1, Form("running on %i tracklets", fTrackletArray->GetEntriesFast()));
194 Int_t iStackPrev = -1;
205 TList *listOfTracks = new TList();
207 TIter next(fTrackletArray);
209 while (AliTRDtrackletGTU *trkl = (AliTRDtrackletGTU*) next()) {
210 iSec = trkl->GetDetector() / 30;
211 iStack = (trkl->GetDetector() % 30) / 6;
212 iLink = trkl->GetHCId() % 12;
214 if (iStack != iStackPrev || iSec != iSecPrev) {
216 fTMU->SetStack(iStackPrev);
217 fTMU->SetSector(iSecPrev);
218 fTMU->RunTMU(listOfTracks);
219 WriteTracksToLoader(listOfTracks);
220 WriteTracksToESD(listOfTracks, esd);
222 listOfTracks->Delete();
224 fTMU = new AliTRDgtuTMU();
228 AliDebug(1, Form("now in sec %i, stack %i", iSec, iStack));
230 AliDebug(1, Form("adding tracklet: 0x%08x in sec %i stack %i link %i",
231 trkl->GetTrackletWord(), trkl->GetDetector() / 30, (trkl->GetDetector() % 30) / 6, trkl->GetHCId() % 12));
233 fTMU->AddTracklet(trkl, iLink);
238 fTMU->SetStack(iStackPrev);
239 fTMU->SetSector(iSecPrev);
240 fTMU->RunTMU(listOfTracks);
241 WriteTracksToLoader(listOfTracks);
242 WriteTracksToESD(listOfTracks, esd);
245 listOfTracks->Delete();
253 Bool_t AliTRDgtuSim::LoadTracklets(const AliESDEvent *const esd)
255 AliDebug(1,"Loading tracklets from ESD event ...");
258 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
260 for (Int_t iTracklet = 0; iTracklet < esd->GetNumberOfTrdTracklets(); iTracklet++) {
261 AliESDTrdTracklet *trkl = esd->GetTrdTracklet(iTracklet);
262 new ((*fTrackletArray)[fTrackletArray->GetEntries()]) AliTRDtrackletGTU(trkl);
268 Bool_t AliTRDgtuSim::LoadTracklets(AliLoader *const loader)
270 // load the tracklets using the given loader
272 AliDebug(1,"Loading tracklets ...");
274 if (!fFeeParam->GetTracklet())
278 AliError("No loader given!");
282 AliDataLoader *trackletLoader = loader->GetDataLoader("tracklets");
283 if (!trackletLoader) {
284 AliError("No tracklet loader found!");
288 trackletLoader->Load();
289 TTree *trackletTree = 0x0;
291 // simulated tracklets
292 trackletTree = trackletLoader->Tree();
294 TBranch *trklbranch = trackletTree->GetBranch("mcmtrklbranch");
297 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
299 AliTRDtrackletMCM *trkl = 0x0;
300 trklbranch->SetAddress(&trkl);
301 for (Int_t iTracklet = 0; iTracklet < trklbranch->GetEntries(); iTracklet++) {
302 trklbranch->GetEntry(iTracklet);
303 new ((*fTrackletArray)[fTrackletArray->GetEntries()]) AliTRDtrackletGTU(new AliTRDtrackletMCM(*trkl));
310 AliTreeLoader *tl = (AliTreeLoader*) trackletLoader->GetBaseLoader("tracklets-raw");
311 trackletTree = tl ? tl->Load(), tl->Tree() : 0x0;
315 fTrackletArray = new TClonesArray("AliTRDtrackletGTU", 1000);
318 TClonesArray *ar = 0x0;
319 trackletTree->SetBranchAddress("hc", &hc);
320 trackletTree->SetBranchAddress("trkl", &ar);
322 for (Int_t iEntry = 0; iEntry < trackletTree->GetEntries(); iEntry++) {
323 trackletTree->GetEntry(iEntry);
324 AliDebug(2, Form("%i tracklets in HC %i", ar->GetEntriesFast(), hc));
325 for (Int_t iTracklet = 0; iTracklet < ar->GetEntriesFast(); iTracklet++) {
326 AliTRDtrackletWord *trklWord = (AliTRDtrackletWord*) (*ar)[iTracklet];
327 new((*fTrackletArray)[fTrackletArray->GetEntriesFast()]) AliTRDtrackletGTU(new AliTRDtrackletWord(trklWord->GetTrackletWord(), hc));
333 AliError("No raw tracklet tree found\n");
338 Bool_t AliTRDgtuSim::WriteTracksToDataFile(TList *listOfTracks, Int_t event)
340 // write the found tracks to a data file
341 // used for comparison to VHDL simulation
347 out = fopen("test.data", "a");
349 AliDebug(1,Form("%i tracks found in event %i", listOfTracks->GetSize(), event));
350 // fprintf(out, "0 %5i %2i %i 00000000\n", event, sm, stack);
351 for (Int_t i = 0; i < listOfTracks->GetSize(); i++) {
352 AliTRDtrackGTU *trk = (AliTRDtrackGTU*) listOfTracks->At(i);
353 sm = trk->GetSector();
354 stack = trk->GetStack();
356 ULong64_t trackWord = 1;
357 AppendBits(trackWord, 1, 0);
358 AppendBits(trackWord, 6, trk->GetTrackletMask());
359 AppendBits(trackWord, 18, (Int_t) trk->GetA());
360 AppendBits(trackWord, 18, (Int_t) trk->GetB());
361 AppendBits(trackWord, 12, (Int_t) trk->GetC());
362 AppendBits(trackWord, 8, trk->GetPID());
363 fprintf(out, "ev. %i sec. %i stack %i - track word: 0x%016llx, ",
364 event, sm, stack, trackWord);
367 AppendBits(trackWord, 11, 0); // flags
368 AppendBits(trackWord, 3, 0);
369 AppendBits(trackWord, 13, trk->GetYapprox());
370 AppendBits(trackWord, 6, trk->GetTrackletIndex(5));
371 AppendBits(trackWord, 6, trk->GetTrackletIndex(4));
372 AppendBits(trackWord, 6, trk->GetTrackletIndex(3));
373 AppendBits(trackWord, 6, trk->GetTrackletIndex(2));
374 AppendBits(trackWord, 6, trk->GetTrackletIndex(1));
375 AppendBits(trackWord, 6, trk->GetTrackletIndex(0));
376 fprintf(out, "extended track word: 0x%016llx\n", trackWord);
378 fprintf(out, "1 %5i %2i %2i %3i %3i %3i %3i %3i %3i %3i %4i %f\n", event, sm, stack, trk->GetTrackletMask(),
379 trk->GetTrackletIndex(5),
380 trk->GetTrackletIndex(4),
381 trk->GetTrackletIndex(3),
382 trk->GetTrackletIndex(2),
383 trk->GetTrackletIndex(1),
384 trk->GetTrackletIndex(0),
392 Bool_t AliTRDgtuSim::WriteTracksToESD(const TList * const listOfTracks, AliESDEvent *esd)
394 // fill the found tracks to the given ESD event
397 TIter next(listOfTracks);
398 while (AliTRDtrackGTU *trk = (AliTRDtrackGTU*) next()) {
399 AliESDTrdTrack *trdtrack = trk->CreateTrdTrack();
400 if (trdtrack->GetLabel() < 0)
401 trdtrack->SetLabel(-2);
402 esd->AddTrdTrack(trdtrack);
409 Bool_t AliTRDgtuSim::WriteTracksToLoader(const TList * const listOfTracks)
411 // write the GTU tracks to the dedicated loader
412 // these tracks contain more information than the ones in the ESD
414 AliRunLoader *rl = AliRunLoader::Instance();
415 AliDataLoader *dl = 0x0;
417 dl = rl->GetLoader("TRDLoader")->GetDataLoader("gtutracks");
419 AliError("Could not get the GTU-track data loader!");
423 TTree *trackTree = dl->Tree();
426 trackTree = dl->Tree();
429 AliTRDtrackGTU *trk = 0x0;
431 if (!trackTree->GetBranch("TRDtrackGTU"))
432 trackTree->Branch("TRDtrackGTU", "AliTRDtrackGTU", &trk, 32000);
434 AliDebug(1, Form("Writing %i tracks to loader", listOfTracks->GetEntries()));
435 TIter next(listOfTracks);
436 while ((trk = (AliTRDtrackGTU*) next())) {
437 trackTree->SetBranchAddress("TRDtrackGTU", &trk);
441 dl->WriteData("OVERWRITE");