remove unused code
[u/mrichter/AliRoot.git] / MUON / MUONClusterInfo.C
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fcefbac4 1/**************************************************************************
41c52850 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 **************************************************************************/
fcefbac4 15
16/* $Id$ */
17
18/// \ingroup macros
19/// \file MUONClusterInfo.C
20/// \brief Macro to fill AliMUONClusterInfo objects
21///
22/// \author Philippe Pillot, SUBATECH
23
24#if !defined(__CINT__) || defined(__MAKECINT__)
25#include <TStopwatch.h>
26#include <TFile.h>
ce8cd162 27#include <TObjArray.h>
fcefbac4 28#include <TTree.h>
29#include <TString.h>
30#include <Riostream.h>
fcefbac4 31#include <TRandom.h>
32#include <TROOT.h>
41c52850 33#include <TMath.h>
fcefbac4 34
35// STEER includes
fcefbac4 36#include "AliESDEvent.h"
fcefbac4 37#include "AliRecoParam.h"
38#include "AliCDBManager.h"
41c52850 39#include "AliRunLoader.h"
40#include "AliLoader.h"
a99c3449 41#include "AliHeader.h"
fcefbac4 42
43// MUON includes
41c52850 44#include "AliMpConstants.h"
fcefbac4 45#include "AliMpSegmentation.h"
46#include "AliMpVSegmentation.h"
47#include "AliMpPad.h"
a99c3449 48#include "AliMUONCDB.h"
fcefbac4 49#include "AliMUONCalibrationData.h"
50#include "AliMUONVCalibParam.h"
51#include "AliMUONPadInfo.h"
52#include "AliMUONClusterInfo.h"
53#include "AliMUONRecoParam.h"
54#include "AliMUONESDInterface.h"
fcefbac4 55#include "AliMUONVDigit.h"
56#include "AliMUONVDigitStore.h"
57#include "AliMUONVCluster.h"
41c52850 58#include "AliMUONVClusterStore.h"
fcefbac4 59#include "AliMUONTrack.h"
fcefbac4 60#include "AliMUONTrackParam.h"
fcefbac4 61#endif
62
63const Int_t printLevel = 1;
64
fcefbac4 65TTree* GetESDTree(TFile *esdFile);
41c52850 66UInt_t buildClusterMap(AliMUONTrack &track);
fcefbac4 67
68//-----------------------------------------------------------------------
a99c3449 69void MUONClusterInfo(Int_t nevents = -1, const char* esdFileName = "AliESDs.root", const char* inFileName = "galice.root",
70 const TString ocdbPath = "local://$ALICE_ROOT/OCDB", const char* outFileName = "clusterInfo.root")
fcefbac4 71{
41c52850 72 /// 1) if (esdFileName != "")
73 /// loop over ESD event and fill AliMUONClusterInfo object with cluster + corresponding track parameters;
74 /// 2) if (inFileName != "")
75 /// loop over RecPoints and fill AliMUONClusterInfo object with cluster not attached to a track;
76 /// 3) write results in a new root file.
77 ///
78 /// ******************************************* WARNING ******************************************* ///
79 /// track parameters at each cluster are recomputed by the interface using Kalman filter + Smoother ///
80 /// (It can be changed by resetting the tracker in the interface with a new recoParam object) ///
81 /// and the magnetic field set in the function prepare() ///
82 /// ******************************************* WARNING ******************************************* ///
83
84 Bool_t useESD = (strcmp(esdFileName,""));
85 Bool_t useRecPoints = (strcmp(inFileName,""));
86 if (!useESD && !useRecPoints) {
87 Error("MUONClusterInfo","you must provide ESD and/or galice root file(s)");
88 return;
89 }
fcefbac4 90
91 AliMUONClusterInfo* clusterInfo = new AliMUONClusterInfo();
92 AliMUONPadInfo padInfo;
93 AliMUONCalibrationData* calibData = 0x0;
8468d8c6 94 AliMUONESDInterface esdInterface;
41c52850 95 AliMUONVClusterStore* clusterStore = 0x0;
96 AliMUONVDigitStore* digitStore = 0x0;
fcefbac4 97
fcefbac4 98 // open the ESD file and tree and connect the ESD event
41c52850 99 TFile* esdFile = 0x0;
100 TTree* esdTree = 0x0;
101 AliESDEvent* esd = 0x0;
a99c3449 102 Int_t runNumber = -1;
41c52850 103 if (useESD) {
104 esdFile = TFile::Open(esdFileName);
105 esdTree = GetESDTree(esdFile);
106 esd = new AliESDEvent();
107 esd->ReadFromTree(esdTree);
a99c3449 108 if (esdTree->GetEvent(0) <= 0) {
109 Error("MUONClusterInfo", "no ESD object found for event 0");
110 return;
111 }
112 runNumber = esd->GetRunNumber();
41c52850 113 }
114
115 // get the cluster from RecPoints
116 AliRunLoader * rl = 0x0;
117 AliLoader* MUONLoader = 0x0;
118 if (useRecPoints) {
119 rl = AliRunLoader::Open(inFileName,"MUONLoader");
120 MUONLoader = rl->GetDetectorLoader("MUON");
121 MUONLoader->LoadRecPoints("READ");
122 MUONLoader->LoadDigits("READ");
a99c3449 123 rl->LoadHeader();
124 if (runNumber < 0) runNumber = rl->GetHeader()->GetRun();
41c52850 125 }
fcefbac4 126
a99c3449 127 // load necessary data from OCDB
128 AliCDBManager::Instance()->SetDefaultStorage(ocdbPath);
129 AliCDBManager::Instance()->SetRun(runNumber);
130 if (!AliMUONCDB::LoadField()) return;
131 if (!AliMUONCDB::LoadMapping(kTRUE)) return;
132 AliMUONRecoParam* recoParam = AliMUONCDB::LoadRecoParam();
133 if (!recoParam) return;
134
135 // reset tracker for track restoring initial track parameters at cluster
136 AliMUONESDInterface::ResetTracker(recoParam);
137
138 // prepare access to calibration data
139 calibData = new AliMUONCalibrationData(runNumber);
140
fcefbac4 141 // prepare the output tree
142 gROOT->cd();
143 TFile* clusterInfoFile = TFile::Open(outFileName, "RECREATE");
144 clusterInfoFile->SetCompressionLevel(1);
145
146 TTree* clusterInfoTree = new TTree("clusterInfoTree","clusterInfoTree");
147 clusterInfoTree->Branch("clusterInfo", &clusterInfo, 32000, 99);
148
149 // timer start...
150 TStopwatch timer;
151
41c52850 152 // Loop over events
153 if (useESD) {
154 if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)esdTree->GetEntries());
155 else nevents = (Int_t)esdTree->GetEntries();
156 } else {
157 if (nevents > 0) nevents = TMath::Min(nevents,(Int_t)rl->GetNumberOfEvents());
158 else nevents = (Int_t)rl->GetNumberOfEvents();
159 }
fcefbac4 160 for (Int_t iEvent = 0; iEvent < nevents; iEvent++) {
161
162 //----------------------------------------------//
163 // -------------- process event --------------- //
164 //----------------------------------------------//
165 // get the ESD of current event
41c52850 166 if (useESD) {
167 esdTree->GetEvent(iEvent);
168 if (!esd) {
169 Error("MUONClusterInfo", "no ESD object found for event %d", iEvent);
170 return;
171 }
172 // load the current esd event
173 esdInterface.LoadEvent(*esd);
174 // get digit store
175 if (!useRecPoints) digitStore = esdInterface.GetDigits();
fcefbac4 176 }
fcefbac4 177
41c52850 178 if (useRecPoints) {
179 if (!(rl->GetEvent(iEvent) == 0)) {
180 Error("MUONClusterInfo", "unable to load event %d", iEvent);
181 return;
182 }
183 // get the clusters of current event
184 TTree* treeR = MUONLoader->TreeR();
185 clusterStore = AliMUONVClusterStore::Create(*treeR);
186 if ( clusterStore != 0x0 ) {
187 clusterStore->Clear();
188 clusterStore->Connect(*treeR);
189 treeR->GetEvent(0);
190 }
191 // get the digits of current event
192 TTree* treeD = MUONLoader->TreeD();
bef83d1e 193 if (treeD) {
194 digitStore = AliMUONVDigitStore::Create(*treeD);
195 if ( digitStore != 0x0 ) {
196 digitStore->Clear();
197 digitStore->Connect(*treeD);
198 treeD->GetEvent(0);
199 }
41c52850 200 }
201 }
fcefbac4 202
fcefbac4 203 //----------------------------------------------//
204 // ------------- fill cluster info ------------ //
205 //----------------------------------------------//
41c52850 206 // --- loop over the refitted tracks ---
207 if (useESD) {
208
209 TIter nextTrack(esdInterface.CreateTrackIterator());
210 AliMUONTrack* track;
211 while ((track = static_cast<AliMUONTrack*>(nextTrack()))) {
212
213 UInt_t muonClusterMap = buildClusterMap(*track);
214
215 // loop over clusters
216 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->First());
217 while (trackParam) {
218 clusterInfo->Clear("C");
219
220 // fill cluster info
221 AliMUONVCluster* cluster = trackParam->GetClusterPtr();
222 clusterInfo->SetRunId(esd->GetRunNumber());
223 clusterInfo->SetEventId(iEvent);
224 clusterInfo->SetZ(cluster->GetZ());
225 clusterInfo->SetClusterId(cluster->GetUniqueID());
226 clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
227 clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
228 clusterInfo->SetClusterChi2(cluster->GetChi2());
229 clusterInfo->SetClusterCharge(cluster->GetCharge());
230
231 // fill track info
232 clusterInfo->SetTrackId(track->GetUniqueID());
233 clusterInfo->SetTrackXY(trackParam->GetNonBendingCoor(), trackParam->GetBendingCoor());
234 clusterInfo->SetTrackThetaXY(TMath::ATan(trackParam->GetNonBendingSlope()), TMath::ATan(trackParam->GetBendingSlope()));
235 clusterInfo->SetTrackP(trackParam->P());
236 const TMatrixD paramCov = trackParam->GetCovariances();
237 clusterInfo->SetTrackXYErr(TMath::Sqrt(paramCov(0,0)), TMath::Sqrt(paramCov(2,2)));
238 clusterInfo->SetTrackChi2(track->GetNormalizedChi2());
239 clusterInfo->SetTrackCharge((Short_t)trackParam->GetCharge());
240 clusterInfo->SetTrackNHits(track->GetNClusters());
241 clusterInfo->SetTrackChamberHitMap(muonClusterMap);
242
243 // fill pad info if available
bef83d1e 244 if (digitStore) for (Int_t i=0; i<cluster->GetNDigits(); i++) {
41c52850 245 AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
246 if (!digit) continue;
247
248 // pad location
249 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
250 GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
251 AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
252
253 // calibration parameters
254 AliMUONVCalibParam* ped = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
255 AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
256 Int_t manuChannel = digit->ManuChannel();
257 Int_t planeType = 0;
258 if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
259 planeType = 1;
260 }
261
262 // fill pad info
263 padInfo.SetPadId(digit->GetUniqueID());
264 padInfo.SetPadPlaneType(planeType);
265 padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
266 padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
267 padInfo.SetPadCharge((Double_t)digit->Charge());
268 padInfo.SetPadADC(digit->ADC());
269 padInfo.SetSaturated(digit->IsSaturated());
270 padInfo.SetCalibrated(digit->IsCalibrated());
271 padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
272 padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
273 gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
274
275 clusterInfo->AddPad(padInfo);
276 }
277
278 // remove clusters attached to a track
279 if (useRecPoints) {
280 AliMUONVCluster* cl = clusterStore->FindObject(cluster->GetUniqueID());
281 if (cl) clusterStore->Remove(*cl);
282 }
283
284 // fill cluster info tree
285 clusterInfoTree->Fill();
286
287 trackParam = static_cast<AliMUONTrackParam*>(track->GetTrackParamAtCluster()->After(trackParam));
288 }
289
290 }
291
292 }
293
294 // --- loop over clusters not attached to a track ---
295 if (useRecPoints) {
fcefbac4 296
41c52850 297 TIter nextCluster(clusterStore->CreateIterator());
298 AliMUONVCluster *cluster;
299 while ( ( cluster = static_cast<AliMUONVCluster*>(nextCluster()) ) ) {
300
fcefbac4 301 clusterInfo->Clear("C");
302
303 // fill cluster info
41c52850 304 clusterInfo->SetRunId(rl->GetRunNumber());
fcefbac4 305 clusterInfo->SetEventId(iEvent);
306 clusterInfo->SetZ(cluster->GetZ());
307 clusterInfo->SetClusterId(cluster->GetUniqueID());
308 clusterInfo->SetClusterXY(cluster->GetX(), cluster->GetY());
309 clusterInfo->SetClusterXYErr(cluster->GetErrX(), cluster->GetErrY());
310 clusterInfo->SetClusterChi2(cluster->GetChi2());
311 clusterInfo->SetClusterCharge(cluster->GetCharge());
312
41c52850 313 // fill dummy track info
314 clusterInfo->SetTrackId(0);
315 clusterInfo->SetTrackXY(0.,0.);
316 clusterInfo->SetTrackThetaXY(0.,0.);
317 clusterInfo->SetTrackP(0.);
318 clusterInfo->SetTrackXYErr(0.,0.);
319 clusterInfo->SetTrackChi2(0.);
320 clusterInfo->SetTrackCharge(0);
321 clusterInfo->SetTrackNHits(0);
322 clusterInfo->SetTrackChamberHitMap(0);
323
fcefbac4 324 // fill pad info if available
bef83d1e 325 if (digitStore) for (Int_t i=0; i<cluster->GetNDigits(); i++) {
fcefbac4 326 AliMUONVDigit* digit = digitStore->FindObject(cluster->GetDigitId(i));
327 if (!digit) continue;
328
329 // pad location
330 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->
41c52850 331 GetMpSegmentation(digit->DetElemId(),AliMp::GetCathodType(digit->Cathode()));
168e9c4d 332 AliMpPad pad = seg->PadByIndices(digit->PadX(), digit->PadY());
fcefbac4 333
334 // calibration parameters
335 AliMUONVCalibParam* ped = calibData->Pedestals(digit->DetElemId(), digit->ManuId());
336 AliMUONVCalibParam* gain = calibData->Gains(digit->DetElemId(), digit->ManuId());
337 Int_t manuChannel = digit->ManuChannel();
41c52850 338 Int_t planeType = 0;
339 if ( digit->ManuId() & AliMpConstants::ManuMask(AliMp::kNonBendingPlane)) {
340 planeType = 1;
341 }
fcefbac4 342
343 // fill pad info
344 padInfo.SetPadId(digit->GetUniqueID());
41c52850 345 padInfo.SetPadPlaneType(planeType);
68828de2 346 padInfo.SetPadXY(pad.GetPositionX(), pad.GetPositionY());
347 padInfo.SetPadDimXY(pad.GetDimensionX(), pad.GetDimensionY());
fcefbac4 348 padInfo.SetPadCharge((Double_t)digit->Charge());
349 padInfo.SetPadADC(digit->ADC());
350 padInfo.SetSaturated(digit->IsSaturated());
351 padInfo.SetCalibrated(digit->IsCalibrated());
352 padInfo.SetPedestal(ped->ValueAsFloatFast(manuChannel,0), ped->ValueAsFloatFast(manuChannel,1));
353 padInfo.SetGain(gain->ValueAsFloatFast(manuChannel,0), gain->ValueAsFloatFast(manuChannel,1),
354 gain->ValueAsFloatFast(manuChannel,2), gain->ValueAsFloatFast(manuChannel,3));
355
356 clusterInfo->AddPad(padInfo);
357 }
358
359 // fill cluster info tree
360 clusterInfoTree->Fill();
361
fcefbac4 362 }
363
41c52850 364 delete digitStore;
365 delete clusterStore;
366
fcefbac4 367 }
368
fcefbac4 369 }
370
371 // ...timer stop
372 timer.Stop();
373 printf("Writing Tree\n");
374 // write output tree
375 clusterInfoFile->cd();
376 clusterInfoTree->Write();
377 printf("Deleting Tree\n");
378 delete clusterInfoTree;
379 printf("Closing File\n");
380 clusterInfoFile->Close();
381
382 // free memory
383 printf("Deleting calibData\n");
384 delete calibData;
385 printf("Deleting clusterInfo\n");
386 delete clusterInfo;
41c52850 387 if (useRecPoints) {
388 MUONLoader->UnloadDigits();
389 MUONLoader->UnloadRecPoints();
a99c3449 390 rl->UnloadHeader();
41c52850 391 delete rl;
392 }
393 if (useESD) {
394 esdFile->Close();
395 delete esd;
396 }
fcefbac4 397 cout<<endl<<"time to fill cluster/track info: R:"<<timer.RealTime()<<" C:"<<timer.CpuTime()<<endl<<endl;
398}
399
400//-----------------------------------------------------------------------
fcefbac4 401TTree* GetESDTree(TFile *esdFile)
402{
403 /// Check that the file is properly open
404 /// Return pointer to the ESD Tree
405
406 if (!esdFile || !esdFile->IsOpen()) {
407 Error("GetESDTree", "opening ESD file failed");
408 exit(-1);
409 }
410
411 TTree* tree = (TTree*) esdFile->Get("esdTree");
412 if (!tree) {
413 Error("GetESDTree", "no ESD tree found");
414 exit(-1);
415 }
416
417 return tree;
418
419}
420
41c52850 421
422//-----------------------------------------------------------------------
423UInt_t buildClusterMap(AliMUONTrack &track)
424{
425 /// Build the map of clusters in tracking chambers
426
427 UInt_t muonClusterMap = 0;
428
429 AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
430 while (trackParam) {
431
432 muonClusterMap |= BIT(trackParam->GetClusterPtr()->GetChamberId());
433
434 trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
435 }
436
437 return muonClusterMap;
438
439}
440