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[u/mrichter/AliRoot.git] / STEER / AliRun.cxx
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99d554c8 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$Log$
0a520a66 18Revision 1.43 2000/10/09 09:43:17 fca
19Special remapping of hits for TPC and TRD. End-of-primary action introduced
20
24de2263 21Revision 1.42 2000/10/02 21:28:14 fca
22Removal of useless dependecies via forward declarations
23
94de3818 24Revision 1.41 2000/07/13 16:19:09 fca
25Mainly coding conventions + some small bug fixes
26
ef42d733 27Revision 1.40 2000/07/12 08:56:25 fca
28Coding convention correction and warning removal
29
8918e700 30Revision 1.39 2000/07/11 18:24:59 fca
31Coding convention corrections + few minor bug fixes
32
aee8290b 33Revision 1.38 2000/06/20 13:05:45 fca
34Writing down the TREE headers before job starts
35
51e0e89d 36Revision 1.37 2000/06/09 20:05:11 morsch
37Introduce possibility to chose magnetic field version 3: AliMagFDM + field02.dat
38
f1b9d7c3 39Revision 1.36 2000/06/08 14:03:58 hristov
40Only one initializer for a default argument
41
d33c0226 42Revision 1.35 2000/06/07 10:13:14 hristov
43Delete only existent objects.
44
d2ecd553 45Revision 1.34 2000/05/18 10:45:38 fca
46Delete Particle Factory properly
47
c222d2b0 48Revision 1.33 2000/05/16 13:10:40 fca
49New method IsNewTrack and fix for a problem in Father-Daughter relations
50
a01a8b12 51Revision 1.32 2000/04/27 10:38:21 fca
52Correct termination of Lego Run and introduce Lego getter in AliRun
53
838edcaf 54Revision 1.31 2000/04/26 10:17:32 fca
55Changes in Lego for G4 compatibility
56
dffd31ef 57Revision 1.30 2000/04/18 19:11:40 fca
58Introduce variable Config.C function signature
59
45189757 60Revision 1.29 2000/04/07 11:12:34 fca
61G4 compatibility changes
62
875c717b 63Revision 1.28 2000/04/05 06:51:06 fca
64Workaround for an HP compiler problem
65
5eb58812 66Revision 1.27 2000/03/22 18:08:07 fca
67Rationalisation of the virtual MC interfaces
68
80762cb1 69Revision 1.26 2000/03/22 13:42:26 fca
70SetGenerator does not replace an existing generator, ResetGenerator does
71
ee1dd322 72Revision 1.25 2000/02/23 16:25:22 fca
73AliVMC and AliGeant3 classes introduced
74ReadEuclid moved from AliRun to AliModule
75
b13db077 76Revision 1.24 2000/01/19 17:17:20 fca
77Introducing a list of lists of hits -- more hits allowed for detector now
78
1cedd08a 79Revision 1.23 1999/12/03 11:14:31 fca
80Fixing previous wrong checking
81
00719c1b 82Revision 1.21 1999/11/25 10:40:08 fca
83Fixing daughters information also in primary tracks
84
ae23d366 85Revision 1.20 1999/10/04 18:08:49 fca
86Adding protection against inconsistent Euclid files
87
3fcc96a1 88Revision 1.19 1999/09/29 07:50:40 fca
89Introduction of the Copyright and cvs Log
90
99d554c8 91*/
92
fe4da5cc 93///////////////////////////////////////////////////////////////////////////////
94// //
95// Control class for Alice C++ //
96// Only one single instance of this class exists. //
97// The object is created in main program aliroot //
98// and is pointed by the global gAlice. //
99// //
8494b010 100// -Supports the list of all Alice Detectors (fModules). //
fe4da5cc 101// -Supports the list of particles (fParticles). //
102// -Supports the Trees. //
103// -Supports the geometry. //
104// -Supports the event display. //
105//Begin_Html
106/*
1439f98e 107<img src="picts/AliRunClass.gif">
fe4da5cc 108*/
109//End_Html
110//Begin_Html
111/*
1439f98e 112<img src="picts/alirun.gif">
fe4da5cc 113*/
114//End_Html
115// //
116///////////////////////////////////////////////////////////////////////////////
117
94de3818 118#include <stdlib.h>
119#include <stdio.h>
120#include <string.h>
121
fe4da5cc 122#include <TFile.h>
123#include <TRandom.h>
124#include <TBRIK.h>
125#include <TNode.h>
fe4da5cc 126#include <TCint.h>
127#include <TSystem.h>
a8f1fb7c 128#include <TObjectTable.h>
94de3818 129#include <TTree.h>
130#include <TGeometry.h>
131#include <TROOT.h>
132#include "TBrowser.h"
fe4da5cc 133
1578254f 134#include "TParticle.h"
fe4da5cc 135#include "AliRun.h"
fe4da5cc 136#include "AliDisplay.h"
875c717b 137#include "AliMC.h"
dffd31ef 138#include "AliLego.h"
aee8290b 139#include "AliMagFC.h"
140#include "AliMagFCM.h"
141#include "AliMagFDM.h"
94de3818 142#include "AliHit.h"
143
144#include "AliDetector.h"
fe4da5cc 145
fe4da5cc 146AliRun *gAlice;
147
aee8290b 148static AliHeader *gAliHeader;
fe4da5cc 149
fe4da5cc 150ClassImp(AliRun)
151
152//_____________________________________________________________________________
153AliRun::AliRun()
154{
155 //
156 // Default constructor for AliRun
157 //
aee8290b 158 gAliHeader=&fHeader;
fe4da5cc 159 fRun = 0;
160 fEvent = 0;
161 fCurrent = -1;
8494b010 162 fModules = 0;
fe4da5cc 163 fGenerator = 0;
164 fTreeD = 0;
165 fTreeK = 0;
166 fTreeH = 0;
167 fTreeE = 0;
168 fTreeR = 0;
169 fParticles = 0;
170 fGeometry = 0;
171 fDisplay = 0;
172 fField = 0;
875c717b 173 fMC = 0;
fe4da5cc 174 fNdets = 0;
175 fImedia = 0;
176 fTrRmax = 1.e10;
177 fTrZmax = 1.e10;
fe4da5cc 178 fInitDone = kFALSE;
179 fLego = 0;
1578254f 180 fPDGDB = 0; //Particle factory object!
1cedd08a 181 fHitLists = 0;
45189757 182 fConfigFunction = "\0";
fe4da5cc 183}
184
185//_____________________________________________________________________________
186AliRun::AliRun(const char *name, const char *title)
187 : TNamed(name,title)
188{
189 //
190 // Constructor for the main processor.
191 // Creates the geometry
192 // Creates the list of Detectors.
193 // Creates the list of particles.
194 //
195 Int_t i;
196
197 gAlice = this;
198 fTreeD = 0;
199 fTreeK = 0;
200 fTreeH = 0;
201 fTreeE = 0;
202 fTreeR = 0;
203 fTrRmax = 1.e10;
204 fTrZmax = 1.e10;
1141f8e4 205 fGenerator = 0;
fe4da5cc 206 fInitDone = kFALSE;
207 fLego = 0;
208 fField = 0;
45189757 209 fConfigFunction = "Config();";
fe4da5cc 210
211 gROOT->GetListOfBrowsables()->Add(this,name);
212 //
213 // create the support list for the various Detectors
8494b010 214 fModules = new TObjArray(77);
fe4da5cc 215 //
216 // Create the TNode geometry for the event display
217
218 BuildSimpleGeometry();
219
220
221 fNtrack=0;
222 fHgwmk=0;
223 fCurrent=-1;
aee8290b 224 gAliHeader=&fHeader;
fe4da5cc 225 fRun = 0;
226 fEvent = 0;
227 //
228 // Create the particle stack
1578254f 229 fParticles = new TClonesArray("TParticle",100);
fe4da5cc 230
231 fDisplay = 0;
232 //
233 // Create default mag field
234 SetField();
235 //
875c717b 236 fMC = gMC;
fe4da5cc 237 //
238 // Prepare the tracking medium lists
239 fImedia = new TArrayI(1000);
240 for(i=0;i<1000;i++) (*fImedia)[i]=-99;
1578254f 241 //
242 // Make particles
243 fPDGDB = TDatabasePDG::Instance(); //Particle factory object!
1cedd08a 244 //
245 // Create HitLists list
246 fHitLists = new TList();
fe4da5cc 247}
248
aee8290b 249
250//_____________________________________________________________________________
fe4da5cc 251AliRun::~AliRun()
252{
253 //
254 // Defaullt AliRun destructor
255 //
fe4da5cc 256 delete fImedia;
257 delete fField;
875c717b 258 delete fMC;
fe4da5cc 259 delete fGeometry;
260 delete fDisplay;
261 delete fGenerator;
262 delete fLego;
263 delete fTreeD;
264 delete fTreeK;
265 delete fTreeH;
266 delete fTreeE;
267 delete fTreeR;
8494b010 268 if (fModules) {
269 fModules->Delete();
270 delete fModules;
fe4da5cc 271 }
272 if (fParticles) {
273 fParticles->Delete();
274 delete fParticles;
275 }
1cedd08a 276 delete fHitLists;
c222d2b0 277 delete fPDGDB;
fe4da5cc 278}
279
280//_____________________________________________________________________________
281void AliRun::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const
282{
283 //
284 // Add a hit to detector id
285 //
8494b010 286 TObjArray &dets = *fModules;
287 if(dets[id]) ((AliModule*) dets[id])->AddHit(track,vol,hits);
fe4da5cc 288}
289
290//_____________________________________________________________________________
291void AliRun::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const
292{
293 //
294 // Add digit to detector id
295 //
8494b010 296 TObjArray &dets = *fModules;
297 if(dets[id]) ((AliModule*) dets[id])->AddDigit(tracks,digits);
fe4da5cc 298}
299
300//_____________________________________________________________________________
301void AliRun::Browse(TBrowser *b)
302{
303 //
304 // Called when the item "Run" is clicked on the left pane
305 // of the Root browser.
306 // It displays the Root Trees and all detectors.
307 //
308 if (fTreeK) b->Add(fTreeK,fTreeK->GetName());
309 if (fTreeH) b->Add(fTreeH,fTreeH->GetName());
310 if (fTreeD) b->Add(fTreeD,fTreeD->GetName());
311 if (fTreeE) b->Add(fTreeE,fTreeE->GetName());
312 if (fTreeR) b->Add(fTreeR,fTreeR->GetName());
313
8494b010 314 TIter next(fModules);
315 AliModule *detector;
316 while((detector = (AliModule*)next())) {
fe4da5cc 317 b->Add(detector,detector->GetName());
318 }
319}
320
321//_____________________________________________________________________________
322void AliRun::Build()
323{
324 //
325 // Initialize Alice geometry
326 // Dummy routine
327 //
328}
329
330//_____________________________________________________________________________
331void AliRun::BuildSimpleGeometry()
332{
333 //
334 // Create a simple TNode geometry used by Root display engine
335 //
336 // Initialise geometry
337 //
338 fGeometry = new TGeometry("AliceGeom","Galice Geometry for Hits");
339 new TMaterial("void","Vacuum",0,0,0); //Everything is void
340 TBRIK *brik = new TBRIK("S_alice","alice volume","void",2000,2000,3000);
341 brik->SetVisibility(0);
342 new TNode("alice","alice","S_alice");
343}
344
345//_____________________________________________________________________________
346void AliRun::CleanDetectors()
347{
348 //
349 // Clean Detectors at the end of event
350 //
8494b010 351 TIter next(fModules);
352 AliModule *detector;
353 while((detector = (AliModule*)next())) {
fe4da5cc 354 detector->FinishEvent();
355 }
356}
357
358//_____________________________________________________________________________
359void AliRun::CleanParents()
360{
361 //
362 // Clean Particles stack.
1578254f 363 // Set parent/daughter relations
fe4da5cc 364 //
365 TClonesArray &particles = *(gAlice->Particles());
1578254f 366 TParticle *part;
fe4da5cc 367 int i;
368 for(i=0; i<fNtrack; i++) {
1578254f 369 part = (TParticle *)particles.UncheckedAt(i);
aee8290b 370 if(!part->TestBit(kDaughtersBit)) {
1578254f 371 part->SetFirstDaughter(-1);
372 part->SetLastDaughter(-1);
fe4da5cc 373 }
374 }
375}
376
377//_____________________________________________________________________________
378Int_t AliRun::DistancetoPrimitive(Int_t, Int_t)
379{
380 //
381 // Return the distance from the mouse to the AliRun object
382 // Dummy routine
383 //
384 return 9999;
385}
386
387//_____________________________________________________________________________
94de3818 388void AliRun::DumpPart (Int_t i) const
fe4da5cc 389{
390 //
391 // Dumps particle i in the stack
392 //
393 TClonesArray &particles = *fParticles;
1578254f 394 ((TParticle*) particles[i])->Print();
fe4da5cc 395}
396
397//_____________________________________________________________________________
94de3818 398void AliRun::DumpPStack () const
fe4da5cc 399{
400 //
401 // Dumps the particle stack
402 //
403 TClonesArray &particles = *fParticles;
404 printf(
405 "\n\n=======================================================================\n");
406 for (Int_t i=0;i<fNtrack;i++)
407 {
1578254f 408 printf("-> %d ",i); ((TParticle*) particles[i])->Print();
fe4da5cc 409 printf("--------------------------------------------------------------\n");
410 }
411 printf(
412 "\n=======================================================================\n\n");
413}
414
415//_____________________________________________________________________________
416void AliRun::SetField(Int_t type, Int_t version, Float_t scale,
417 Float_t maxField, char* filename)
418{
419 //
420 // Set magnetic field parameters
421 // type Magnetic field transport flag 0=no field, 2=helix, 3=Runge Kutta
422 // version Magnetic field map version (only 1 active now)
423 // scale Scale factor for the magnetic field
424 // maxField Maximum value for the magnetic field
425
426 //
427 // --- Sanity check on mag field flags
428 if(type<0 || type > 2) {
23370b7a 429 Warning("SetField",
430 "Invalid magnetic field flag: %5d; Helix tracking chosen instead\n"
fe4da5cc 431 ,type);
432 type=2;
433 }
434 if(fField) delete fField;
435 if(version==1) {
436 fField = new AliMagFC("Map1"," ",type,version,scale,maxField);
f1b9d7c3 437 } else if(version<=2) {
fe4da5cc 438 fField = new AliMagFCM("Map2-3",filename,type,version,scale,maxField);
439 fField->ReadField();
f1b9d7c3 440 } else if(version==3) {
441 fField = new AliMagFDM("Map4",filename,type,version,scale,maxField);
442 fField->ReadField();
fe4da5cc 443 } else {
23370b7a 444 Warning("SetField","Invalid map %d\n",version);
fe4da5cc 445 }
446}
447
448//_____________________________________________________________________________
449void AliRun::FillTree()
450{
451 //
452 // Fills all AliRun TTrees
453 //
454 if (fTreeK) fTreeK->Fill();
455 if (fTreeH) fTreeH->Fill();
456 if (fTreeD) fTreeD->Fill();
457 if (fTreeR) fTreeR->Fill();
458}
459
460//_____________________________________________________________________________
461void AliRun::FinishPrimary()
462{
463 //
464 // Called at the end of each primary track
465 //
466
6c9704e6 467 // static Int_t count=0;
468 // const Int_t times=10;
fe4da5cc 469 // This primary is finished, purify stack
80762cb1 470 PurifyKine();
fe4da5cc 471
24de2263 472 TIter next(fModules);
473 AliModule *detector;
474 while((detector = (AliModule*)next())) {
475 detector->FinishPrimary();
476 }
477
fe4da5cc 478 // Write out hits if any
479 if (gAlice->TreeH()) {
480 gAlice->TreeH()->Fill();
481 }
482
483 // Reset Hits info
484 gAlice->ResetHits();
a8f1fb7c 485
486 //
487 // if(++count%times==1) gObjectTable->Print();
fe4da5cc 488}
489
490//_____________________________________________________________________________
491void AliRun::FinishEvent()
492{
493 //
494 // Called at the end of the event.
495 //
7fb01480 496
dffd31ef 497 //
498 if(fLego) fLego->FinishEvent();
499
fe4da5cc 500 //Update the energy deposit tables
501 Int_t i;
875c717b 502 for(i=0;i<fEventEnergy.GetSize();i++) {
503 fSummEnergy[i]+=fEventEnergy[i];
504 fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i];
fe4da5cc 505 }
875c717b 506 fEventEnergy.Reset();
fe4da5cc 507
508 // Clean detector information
509 CleanDetectors();
510
511 // Write out the kinematics
512 if (fTreeK) {
513 CleanParents();
514 fTreeK->Fill();
515 }
516
517 // Write out the digits
518 if (fTreeD) {
519 fTreeD->Fill();
520 ResetDigits();
521 }
522
523 // Write out reconstructed clusters
524 if (fTreeR) {
525 fTreeR->Fill();
526 }
527
528 // Write out the event Header information
529 if (fTreeE) fTreeE->Fill();
530
531 // Reset stack info
532 ResetStack();
533
534 // Write Tree headers
59fe9bd2 535 // Int_t ievent = fHeader.GetEvent();
536 // char hname[30];
537 // sprintf(hname,"TreeK%d",ievent);
51e0e89d 538 if (fTreeK) fTreeK->Write(0,TObject::kOverwrite);
59fe9bd2 539 // sprintf(hname,"TreeH%d",ievent);
51e0e89d 540 if (fTreeH) fTreeH->Write(0,TObject::kOverwrite);
59fe9bd2 541 // sprintf(hname,"TreeD%d",ievent);
51e0e89d 542 if (fTreeD) fTreeD->Write(0,TObject::kOverwrite);
59fe9bd2 543 // sprintf(hname,"TreeR%d",ievent);
51e0e89d 544 if (fTreeR) fTreeR->Write(0,TObject::kOverwrite);
875c717b 545
546 ++fEvent;
fe4da5cc 547}
548
549//_____________________________________________________________________________
550void AliRun::FinishRun()
551{
552 //
553 // Called at the end of the run.
554 //
555
dffd31ef 556 //
557 if(fLego) fLego->FinishRun();
558
fe4da5cc 559 // Clean detector information
8494b010 560 TIter next(fModules);
561 AliModule *detector;
562 while((detector = (AliModule*)next())) {
fe4da5cc 563 detector->FinishRun();
564 }
565
566 //Output energy summary tables
567 EnergySummary();
568
569 // file is retrieved from whatever tree
aee8290b 570 TFile *file = 0;
571 if (fTreeK) file = fTreeK->GetCurrentFile();
572 if ((!file) && (fTreeH)) file = fTreeH->GetCurrentFile();
573 if ((!file) && (fTreeD)) file = fTreeD->GetCurrentFile();
574 if ((!file) && (fTreeE)) file = fTreeE->GetCurrentFile();
575 if( NULL==file ) {
fe4da5cc 576 Error("FinishRun","There isn't root file!");
577 exit(1);
578 }
aee8290b 579 file->cd();
51e0e89d 580 fTreeE->Write(0,TObject::kOverwrite);
fe4da5cc 581
582 // Clean tree information
d2ecd553 583 if (fTreeK) {
584 delete fTreeK; fTreeK = 0;
585 }
586 if (fTreeH) {
587 delete fTreeH; fTreeH = 0;
588 }
589 if (fTreeD) {
590 delete fTreeD; fTreeD = 0;
591 }
592 if (fTreeR) {
593 delete fTreeR; fTreeR = 0;
594 }
595 if (fTreeE) {
596 delete fTreeE; fTreeE = 0;
597 }
fe4da5cc 598
599 // Write AliRun info and all detectors parameters
600 Write();
601
602 // Close output file
aee8290b 603 file->Write();
fe4da5cc 604}
605
606//_____________________________________________________________________________
607void AliRun::FlagTrack(Int_t track)
608{
609 //
610 // Flags a track and all its family tree to be kept
611 //
612 int curr;
1578254f 613 TParticle *particle;
fe4da5cc 614
615 curr=track;
616 while(1) {
1578254f 617 particle=(TParticle*)fParticles->UncheckedAt(curr);
fe4da5cc 618
619 // If the particle is flagged the three from here upward is saved already
aee8290b 620 if(particle->TestBit(kKeepBit)) return;
fe4da5cc 621
622 // Save this particle
aee8290b 623 particle->SetBit(kKeepBit);
fe4da5cc 624
625 // Move to father if any
1578254f 626 if((curr=particle->GetFirstMother())==-1) return;
fe4da5cc 627 }
628}
629
630//_____________________________________________________________________________
631void AliRun::EnergySummary()
632{
633 //
634 // Print summary of deposited energy
635 //
636
fe4da5cc 637 Int_t ndep=0;
638 Float_t edtot=0;
639 Float_t ed, ed2;
640 Int_t kn, i, left, j, id;
aee8290b 641 const Float_t kzero=0;
fe4da5cc 642 Int_t ievent=fHeader.GetEvent()+1;
643 //
644 // Energy loss information
645 if(ievent) {
646 printf("***************** Energy Loss Information per event (GEV) *****************\n");
875c717b 647 for(kn=1;kn<fEventEnergy.GetSize();kn++) {
648 ed=fSummEnergy[kn];
fe4da5cc 649 if(ed>0) {
875c717b 650 fEventEnergy[ndep]=kn;
fe4da5cc 651 if(ievent>1) {
652 ed=ed/ievent;
875c717b 653 ed2=fSum2Energy[kn];
fe4da5cc 654 ed2=ed2/ievent;
aee8290b 655 ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed;
fe4da5cc 656 } else
657 ed2=99;
875c717b 658 fSummEnergy[ndep]=ed;
aee8290b 659 fSum2Energy[ndep]=TMath::Min((Float_t) 99.,TMath::Max(ed2,kzero));
fe4da5cc 660 edtot+=ed;
661 ndep++;
662 }
663 }
664 for(kn=0;kn<(ndep-1)/3+1;kn++) {
665 left=ndep-kn*3;
666 for(i=0;i<(3<left?3:left);i++) {
667 j=kn*3+i;
875c717b 668 id=Int_t (fEventEnergy[j]+0.1);
669 printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]);
fe4da5cc 670 }
671 printf("\n");
672 }
673 //
674 // Relative energy loss in different detectors
675 printf("******************** Relative Energy Loss per event ********************\n");
676 printf("Total energy loss per event %10.3f GeV\n",edtot);
677 for(kn=0;kn<(ndep-1)/5+1;kn++) {
678 left=ndep-kn*5;
679 for(i=0;i<(5<left?5:left);i++) {
680 j=kn*5+i;
875c717b 681 id=Int_t (fEventEnergy[j]+0.1);
682 printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot);
fe4da5cc 683 }
684 printf("\n");
685 }
686 for(kn=0;kn<75;kn++) printf("*");
687 printf("\n");
688 }
689 //
690 // Reset the TArray's
875c717b 691 // fEventEnergy.Set(0);
692 // fSummEnergy.Set(0);
693 // fSum2Energy.Set(0);
fe4da5cc 694}
695
696//_____________________________________________________________________________
94de3818 697AliModule *AliRun::GetModule(const char *name) const
fe4da5cc 698{
699 //
700 // Return pointer to detector from name
701 //
8494b010 702 return (AliModule*)fModules->FindObject(name);
fe4da5cc 703}
704
705//_____________________________________________________________________________
94de3818 706AliDetector *AliRun::GetDetector(const char *name) const
a68348e9 707{
708 //
709 // Return pointer to detector from name
710 //
711 return (AliDetector*)fModules->FindObject(name);
712}
713
714//_____________________________________________________________________________
94de3818 715Int_t AliRun::GetModuleID(const char *name) const
fe4da5cc 716{
717 //
718 // Return galice internal detector identifier from name
719 //
23370b7a 720 Int_t i=-1;
721 TObject *mod=fModules->FindObject(name);
722 if(mod) i=fModules->IndexOf(mod);
723 return i;
fe4da5cc 724}
725
726//_____________________________________________________________________________
727Int_t AliRun::GetEvent(Int_t event)
728{
729 //
730 // Connect the Trees Kinematics and Hits for event # event
731 // Set branch addresses
732 //
fe4da5cc 733
734 // Reset existing structures
735 ResetStack();
736 ResetHits();
737 ResetDigits();
738
739 // Delete Trees already connected
740 if (fTreeK) delete fTreeK;
741 if (fTreeH) delete fTreeH;
742 if (fTreeD) delete fTreeD;
743 if (fTreeR) delete fTreeR;
59fe9bd2 744
745 // Get header from file
746 if(fTreeE) fTreeE->GetEntry(event);
747 else Error("GetEvent","Cannot file Header Tree\n");
fe4da5cc 748
749 // Get Kine Tree from file
750 char treeName[20];
751 sprintf(treeName,"TreeK%d",event);
752 fTreeK = (TTree*)gDirectory->Get(treeName);
753 if (fTreeK) fTreeK->SetBranchAddress("Particles", &fParticles);
23370b7a 754 else Error("GetEvent","cannot find Kine Tree for event:%d\n",event);
fe4da5cc 755
756 // Get Hits Tree header from file
757 sprintf(treeName,"TreeH%d",event);
758 fTreeH = (TTree*)gDirectory->Get(treeName);
759 if (!fTreeH) {
23370b7a 760 Error("GetEvent","cannot find Hits Tree for event:%d\n",event);
fe4da5cc 761 }
762
763 // Get Digits Tree header from file
764 sprintf(treeName,"TreeD%d",event);
765 fTreeD = (TTree*)gDirectory->Get(treeName);
766 if (!fTreeD) {
07a68c1d 767 Warning("GetEvent","cannot find Digits Tree for event:%d\n",event);
fe4da5cc 768 }
769
770
771 // Get Reconstruct Tree header from file
772 sprintf(treeName,"TreeR%d",event);
773 fTreeR = (TTree*)gDirectory->Get(treeName);
774 if (!fTreeR) {
775 // printf("WARNING: cannot find Reconstructed Tree for event:%d\n",event);
776 }
777
778 // Set Trees branch addresses
8494b010 779 TIter next(fModules);
780 AliModule *detector;
781 while((detector = (AliModule*)next())) {
fe4da5cc 782 detector->SetTreeAddress();
783 }
784
785 if (fTreeK) fTreeK->GetEvent(0);
786 fNtrack = Int_t (fParticles->GetEntries());
787 return fNtrack;
788}
789
790//_____________________________________________________________________________
791TGeometry *AliRun::GetGeometry()
792{
793 //
794 // Import Alice geometry from current file
795 // Return pointer to geometry object
796 //
797 if (!fGeometry) fGeometry = (TGeometry*)gDirectory->Get("AliceGeom");
798 //
799 // Unlink and relink nodes in detectors
800 // This is bad and there must be a better way...
801 //
fe4da5cc 802
8494b010 803 TIter next(fModules);
804 AliModule *detector;
805 while((detector = (AliModule*)next())) {
fe4da5cc 806 detector->SetTreeAddress();
807 TList *dnodes=detector->Nodes();
808 Int_t j;
809 TNode *node, *node1;
810 for ( j=0; j<dnodes->GetSize(); j++) {
811 node = (TNode*) dnodes->At(j);
52d0ab00 812 node1 = fGeometry->GetNode(node->GetName());
fe4da5cc 813 dnodes->Remove(node);
814 dnodes->AddAt(node1,j);
815 }
816 }
817 return fGeometry;
818}
819
820//_____________________________________________________________________________
821void AliRun::GetNextTrack(Int_t &mtrack, Int_t &ipart, Float_t *pmom,
822 Float_t &e, Float_t *vpos, Float_t *polar,
823 Float_t &tof)
824{
825 //
826 // Return next track from stack of particles
827 //
a8f1fb7c 828 TVector3 pol;
fe4da5cc 829 fCurrent=-1;
1578254f 830 TParticle *track;
fe4da5cc 831 for(Int_t i=fNtrack-1; i>=0; i--) {
1578254f 832 track=(TParticle*) fParticles->UncheckedAt(i);
aee8290b 833 if(!track->TestBit(kDoneBit)) {
fe4da5cc 834 //
835 // The track has not yet been processed
836 fCurrent=i;
1578254f 837 ipart=track->GetPdgCode();
838 pmom[0]=track->Px();
839 pmom[1]=track->Py();
840 pmom[2]=track->Pz();
841 e =track->Energy();
842 vpos[0]=track->Vx();
843 vpos[1]=track->Vy();
844 vpos[2]=track->Vz();
a8f1fb7c 845 track->GetPolarisation(pol);
846 polar[0]=pol.X();
847 polar[1]=pol.Y();
848 polar[2]=pol.Z();
1578254f 849 tof=track->T();
aee8290b 850 track->SetBit(kDoneBit);
fe4da5cc 851 break;
852 }
853 }
854 mtrack=fCurrent;
855 //
856 // stop and start timer when we start a primary track
857 Int_t nprimaries = fHeader.GetNprimary();
858 if (fCurrent >= nprimaries) return;
859 if (fCurrent < nprimaries-1) {
860 fTimer.Stop();
1578254f 861 track=(TParticle*) fParticles->UncheckedAt(fCurrent+1);
862 // track->SetProcessTime(fTimer.CpuTime());
fe4da5cc 863 }
864 fTimer.Start();
865}
866
867//_____________________________________________________________________________
94de3818 868Int_t AliRun::GetPrimary(Int_t track) const
fe4da5cc 869{
870 //
871 // return number of primary that has generated track
872 //
873 int current, parent;
1578254f 874 TParticle *part;
fe4da5cc 875 //
876 parent=track;
877 while (1) {
878 current=parent;
1578254f 879 part = (TParticle *)fParticles->UncheckedAt(current);
880 parent=part->GetFirstMother();
fe4da5cc 881 if(parent<0) return current;
882 }
883}
884
885//_____________________________________________________________________________
875c717b 886void AliRun::InitMC(const char *setup)
fe4da5cc 887{
888 //
889 // Initialize the Alice setup
890 //
891
51e0e89d 892 if(fInitDone) {
893 Warning("Init","Cannot initialise AliRun twice!\n");
894 return;
895 }
896
fe4da5cc 897 gROOT->LoadMacro(setup);
45189757 898 gInterpreter->ProcessLine(fConfigFunction.Data());
fe4da5cc 899
cfce8870 900 gMC->DefineParticles(); //Create standard MC particles
fe4da5cc 901
902 TObject *objfirst, *objlast;
903
23370b7a 904 fNdets = fModules->GetLast()+1;
905
fe4da5cc 906 //
875c717b 907 //=================Create Materials and geometry
908 gMC->Init();
909
8494b010 910 TIter next(fModules);
911 AliModule *detector;
912 while((detector = (AliModule*)next())) {
fe4da5cc 913 detector->SetTreeAddress();
914 objlast = gDirectory->GetList()->Last();
915
fe4da5cc 916 // Add Detector histograms in Detector list of histograms
917 if (objlast) objfirst = gDirectory->GetList()->After(objlast);
918 else objfirst = gDirectory->GetList()->First();
919 while (objfirst) {
920 detector->Histograms()->Add(objfirst);
921 objfirst = gDirectory->GetList()->After(objfirst);
922 }
923 }
924 SetTransPar(); //Read the cuts for all materials
925
926 MediaTable(); //Build the special IMEDIA table
927
fe4da5cc 928 //Initialise geometry deposition table
875c717b 929 fEventEnergy.Set(gMC->NofVolumes()+1);
930 fSummEnergy.Set(gMC->NofVolumes()+1);
931 fSum2Energy.Set(gMC->NofVolumes()+1);
fe4da5cc 932
fe4da5cc 933 //Compute cross-sections
875c717b 934 gMC->BuildPhysics();
fe4da5cc 935
936 //Write Geometry object to current file.
937 fGeometry->Write();
938
939 fInitDone = kTRUE;
51e0e89d 940
941 //
942 // Save stuff at the beginning of the file to avoid file corruption
943 Write();
fe4da5cc 944}
945
946//_____________________________________________________________________________
947void AliRun::MediaTable()
948{
949 //
950 // Built media table to get from the media number to
951 // the detector id
952 //
ad51aeb0 953 Int_t kz, nz, idt, lz, i, k, ind;
954 // Int_t ibeg;
fe4da5cc 955 TObjArray &dets = *gAlice->Detectors();
8494b010 956 AliModule *det;
fe4da5cc 957 //
958 // For all detectors
959 for (kz=0;kz<fNdets;kz++) {
960 // If detector is defined
8494b010 961 if((det=(AliModule*) dets[kz])) {
ad51aeb0 962 TArrayI &idtmed = *(det->GetIdtmed());
963 for(nz=0;nz<100;nz++) {
fe4da5cc 964 // Find max and min material number
ad51aeb0 965 if((idt=idtmed[nz])) {
fe4da5cc 966 det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt;
967 det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt;
968 }
969 }
970 if(det->LoMedium() > det->HiMedium()) {
971 det->LoMedium() = 0;
972 det->HiMedium() = 0;
973 } else {
974 if(det->HiMedium() > fImedia->GetSize()) {
ad51aeb0 975 Error("MediaTable","Increase fImedia from %d to %d",
976 fImedia->GetSize(),det->HiMedium());
fe4da5cc 977 return;
978 }
979 // Tag all materials in rage as belonging to detector kz
980 for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) {
981 (*fImedia)[lz]=kz;
982 }
983 }
984 }
985 }
986 //
987 // Print summary table
988 printf(" Traking media ranges:\n");
989 for(i=0;i<(fNdets-1)/6+1;i++) {
990 for(k=0;k< (6<fNdets-i*6?6:fNdets-i*6);k++) {
991 ind=i*6+k;
8494b010 992 det=(AliModule*)dets[ind];
fe4da5cc 993 if(det)
994 printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(),
995 det->HiMedium());
996 else
997 printf(" %6s: %3d -> %3d;","NULL",0,0);
998 }
999 printf("\n");
1000 }
1001}
1002
1003//____________________________________________________________________________
1004void AliRun::SetGenerator(AliGenerator *generator)
1005{
1006 //
1007 // Load the event generator
1008 //
ee1dd322 1009 if(!fGenerator) fGenerator = generator;
1010}
1011
1012//____________________________________________________________________________
1013void AliRun::ResetGenerator(AliGenerator *generator)
1014{
1015 //
1016 // Load the event generator
1017 //
b13db077 1018 if(fGenerator)
838edcaf 1019 if(generator)
1020 Warning("ResetGenerator","Replacing generator %s with %s\n",
1021 fGenerator->GetName(),generator->GetName());
1022 else
1023 Warning("ResetGenerator","Replacing generator %s with NULL\n",
1024 fGenerator->GetName());
b13db077 1025 fGenerator = generator;
fe4da5cc 1026}
1027
1028//____________________________________________________________________________
1029void AliRun::SetTransPar(char* filename)
1030{
1031 //
1032 // Read filename to set the transport parameters
1033 //
1034
fe4da5cc 1035
aee8290b 1036 const Int_t kncuts=10;
1037 const Int_t knflags=11;
1038 const Int_t knpars=kncuts+knflags;
1039 const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO",
fe4da5cc 1040 "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI",
1041 "BREM","COMP","DCAY","DRAY","HADR","LOSS",
1042 "MULS","PAIR","PHOT","RAYL"};
1043 char line[256];
ad51aeb0 1044 char detName[7];
fe4da5cc 1045 char* filtmp;
aee8290b 1046 Float_t cut[kncuts];
1047 Int_t flag[knflags];
fe4da5cc 1048 Int_t i, itmed, iret, ktmed, kz;
1049 FILE *lun;
1050 //
1051 // See whether the file is there
1052 filtmp=gSystem->ExpandPathName(filename);
1053 lun=fopen(filtmp,"r");
1054 delete [] filtmp;
1055 if(!lun) {
ad51aeb0 1056 Warning("SetTransPar","File %s does not exist!\n",filename);
fe4da5cc 1057 return;
1058 }
1059 //
1060 printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n");
1061 printf(" *%59s\n","*");
1062 printf(" * Please check carefully what you are doing!%10s\n","*");
1063 printf(" *%59s\n","*");
1064 //
1065 while(1) {
1066 // Initialise cuts and flags
aee8290b 1067 for(i=0;i<kncuts;i++) cut[i]=-99;
1068 for(i=0;i<knflags;i++) flag[i]=-99;
fe4da5cc 1069 itmed=0;
1070 for(i=0;i<256;i++) line[i]='\0';
1071 // Read up to the end of line excluded
1072 iret=fscanf(lun,"%[^\n]",line);
1073 if(iret<0) {
1074 //End of file
1075 fclose(lun);
1076 printf(" *%59s\n","*");
1077 printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n");
1078 return;
1079 }
1080 // Read the end of line
1081 fscanf(lun,"%*c");
1082 if(!iret) continue;
1083 if(line[0]=='*') continue;
1084 // Read the numbers
ad51aeb0 1085 iret=sscanf(line,"%s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d",
1086 detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8],
1087 &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7],
1088 &flag[8],&flag[9],&flag[10]);
fe4da5cc 1089 if(!iret) continue;
1090 if(iret<0) {
1091 //reading error
ad51aeb0 1092 Warning("SetTransPar","Error reading file %s\n",filename);
fe4da5cc 1093 continue;
1094 }
ad51aeb0 1095 // Check that the module exist
1096 AliModule *mod = GetModule(detName);
1097 if(mod) {
1098 // Get the array of media numbers
1099 TArrayI &idtmed = *mod->GetIdtmed();
1100 // Check that the tracking medium code is valid
1101 if(0<=itmed && itmed < 100) {
1102 ktmed=idtmed[itmed];
1103 if(!ktmed) {
1104 Warning("SetTransPar","Invalid tracking medium code %d for %s\n",itmed,mod->GetName());
1105 continue;
fe4da5cc 1106 }
ad51aeb0 1107 // Set energy thresholds
aee8290b 1108 for(kz=0;kz<kncuts;kz++) {
ad51aeb0 1109 if(cut[kz]>=0) {
23370b7a 1110 printf(" * %-6s set to %10.3E for tracking medium code %4d for %s\n",
aee8290b 1111 kpars[kz],cut[kz],itmed,mod->GetName());
1112 gMC->Gstpar(ktmed,kpars[kz],cut[kz]);
ad51aeb0 1113 }
fe4da5cc 1114 }
ad51aeb0 1115 // Set transport mechanisms
aee8290b 1116 for(kz=0;kz<knflags;kz++) {
ad51aeb0 1117 if(flag[kz]>=0) {
1118 printf(" * %-6s set to %10d for tracking medium code %4d for %s\n",
aee8290b 1119 kpars[kncuts+kz],flag[kz],itmed,mod->GetName());
1120 gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz]));
ad51aeb0 1121 }
1122 }
1123 } else {
1124 Warning("SetTransPar","Invalid medium code %d *\n",itmed);
1125 continue;
fe4da5cc 1126 }
1127 } else {
ad51aeb0 1128 Warning("SetTransPar","Module %s not present\n",detName);
fe4da5cc 1129 continue;
1130 }
1131 }
1132}
1133
1134//_____________________________________________________________________________
1135void AliRun::MakeTree(Option_t *option)
1136{
1137 //
1138 // Create the ROOT trees
1139 // Loop on all detectors to create the Root branch (if any)
1140 //
1141
b13db077 1142 char hname[30];
fe4da5cc 1143 //
1144 // Analyse options
aee8290b 1145 char *oK = strstr(option,"K");
1146 char *oH = strstr(option,"H");
1147 char *oE = strstr(option,"E");
1148 char *oD = strstr(option,"D");
1149 char *oR = strstr(option,"R");
fe4da5cc 1150 //
aee8290b 1151 if (oK && !fTreeK) {
b13db077 1152 sprintf(hname,"TreeK%d",fEvent);
1153 fTreeK = new TTree(hname,"Kinematics");
1154 // Create a branch for particles
1155 fTreeK->Branch("Particles",&fParticles,4000);
51e0e89d 1156 fTreeK->Write();
b13db077 1157 }
aee8290b 1158 if (oH && !fTreeH) {
b13db077 1159 sprintf(hname,"TreeH%d",fEvent);
1160 fTreeH = new TTree(hname,"Hits");
1161 fTreeH->SetAutoSave(1000000000); //no autosave
51e0e89d 1162 fTreeH->Write();
b13db077 1163 }
aee8290b 1164 if (oD && !fTreeD) {
b13db077 1165 sprintf(hname,"TreeD%d",fEvent);
1166 fTreeD = new TTree(hname,"Digits");
51e0e89d 1167 fTreeD->Write();
b13db077 1168 }
aee8290b 1169 if (oR && !fTreeR) {
b13db077 1170 sprintf(hname,"TreeR%d",fEvent);
1171 fTreeR = new TTree(hname,"Reconstruction");
51e0e89d 1172 fTreeR->Write();
b13db077 1173 }
aee8290b 1174 if (oE && !fTreeE) {
b13db077 1175 fTreeE = new TTree("TE","Header");
1176 // Create a branch for Header
aee8290b 1177 fTreeE->Branch("Header","AliHeader",&gAliHeader,4000);
51e0e89d 1178 fTreeE->Write();
b13db077 1179 }
fe4da5cc 1180 //
1181 // Create a branch for hits/digits for each detector
1182 // Each branch is a TClonesArray. Each data member of the Hits classes
1183 // will be in turn a subbranch of the detector master branch
8494b010 1184 TIter next(fModules);
1185 AliModule *detector;
1186 while((detector = (AliModule*)next())) {
aee8290b 1187 if (oH || oD || oR) detector->MakeBranch(option);
fe4da5cc 1188 }
fe4da5cc 1189}
1190
1191//_____________________________________________________________________________
1192Int_t AliRun::PurifyKine(Int_t lastSavedTrack, Int_t nofTracks)
1193{
1194 //
1195 // PurifyKine with external parameters
1196 //
1197 fHgwmk = lastSavedTrack;
1198 fNtrack = nofTracks;
1199 PurifyKine();
1200 return fHgwmk;
1201}
1202
1203//_____________________________________________________________________________
1204void AliRun::PurifyKine()
1205{
1206 //
1207 // Compress kinematic tree keeping only flagged particles
1208 // and renaming the particle id's in all the hits
1209 //
1210 TClonesArray &particles = *fParticles;
1211 int nkeep=fHgwmk+1, parent, i;
1578254f 1212 TParticle *part, *partnew, *father;
fe4da5cc 1213 int *map = new int[particles.GetEntries()];
1214
1215 // Save in Header total number of tracks before compression
1216 fHeader.SetNtrack(fHeader.GetNtrack()+fNtrack-fHgwmk);
1217
a01a8b12 1218 // First pass, invalid Daughter information
fe4da5cc 1219 for(i=0; i<fNtrack; i++) {
a01a8b12 1220 // Preset map, to be removed later
1221 if(i<=fHgwmk) map[i]=i ; else map[i] = -99;
aee8290b 1222 ((TParticle *)particles.UncheckedAt(i))->ResetBit(kDaughtersBit);
a01a8b12 1223 }
fe4da5cc 1224 // Second pass, build map between old and new numbering
1225 for(i=fHgwmk+1; i<fNtrack; i++) {
1578254f 1226 part = (TParticle *)particles.UncheckedAt(i);
aee8290b 1227 if(part->TestBit(kKeepBit)) {
fe4da5cc 1228
1229 // This particle has to be kept
1230 map[i]=nkeep;
1231 if(i!=nkeep) {
1232
1233 // Old and new are different, have to copy
1578254f 1234 partnew = (TParticle *)particles.UncheckedAt(nkeep);
5eb58812 1235 // Change due to a bug in the HP compiler
1236 // *partnew = *part;
1237 memcpy(partnew,part,sizeof(TParticle));
fe4da5cc 1238 } else partnew = part;
1239
1240 // as the parent is always *before*, it must be already
1241 // in place. This is what we are checking anyway!
1578254f 1242 if((parent=partnew->GetFirstMother())>fHgwmk) {
fe4da5cc 1243 if(map[parent]==-99) printf("map[%d] = -99!\n",parent);
1578254f 1244 partnew->SetFirstMother(map[parent]);
fe4da5cc 1245 }
1246 nkeep++;
1247 }
1248 }
1249 fNtrack=nkeep;
1250
1578254f 1251 // Fix daughters information
ae23d366 1252 for (i=0; i<fNtrack; i++) {
1578254f 1253 part = (TParticle *)particles.UncheckedAt(i);
1254 parent = part->GetFirstMother();
ae23d366 1255 if(parent>=0) {
1256 father = (TParticle *)particles.UncheckedAt(parent);
aee8290b 1257 if(father->TestBit(kDaughtersBit)) {
fe4da5cc 1258
ae23d366 1259 if(i<father->GetFirstDaughter()) father->SetFirstDaughter(i);
1260 if(i>father->GetLastDaughter()) father->SetLastDaughter(i);
1261 } else {
1262 // Iitialise daughters info for first pass
1263 father->SetFirstDaughter(i);
1264 father->SetLastDaughter(i);
aee8290b 1265 father->SetBit(kDaughtersBit);
ae23d366 1266 }
fe4da5cc 1267 }
1268 }
1269
1cedd08a 1270#ifdef old
fe4da5cc 1271 // Now loop on all detectors and reset the hits
b13db077 1272 AliHit *OneHit;
8494b010 1273 TIter next(fModules);
1274 AliModule *detector;
1275 while((detector = (AliModule*)next())) {
fe4da5cc 1276 if (!detector->Hits()) continue;
1277 TClonesArray &vHits=*(detector->Hits());
1278 if(vHits.GetEntries() != detector->GetNhits())
1279 printf("vHits.GetEntries()!=detector->GetNhits(): %d != %d\n",
1280 vHits.GetEntries(),detector->GetNhits());
1281 for (i=0; i<detector->GetNhits(); i++) {
1282 OneHit = (AliHit *)vHits.UncheckedAt(i);
1283 OneHit->SetTrack(map[OneHit->GetTrack()]);
1284 }
1285 }
1cedd08a 1286#else
1287
1288 // Now loop on all registered hit lists
1289 TIter next(fHitLists);
1290 TCollection *hitList;
1291 while((hitList = (TCollection*)next())) {
1292 TIter nexthit(hitList);
1293 AliHit *hit;
1294 while((hit = (AliHit*)nexthit())) {
1295 hit->SetTrack(map[hit->GetTrack()]);
1296 }
1297 }
1298#endif
fe4da5cc 1299
24de2263 1300 //
1301 // This for detectors which have a special mapping mechanism
1302 // for hits, such as TPC and TRD
1303 //
1304
1305 TIter nextmod(fModules);
1306 AliModule *detector;
1307 while((detector = (AliModule*)nextmod())) {
1308 detector->RemapTrackHitIDs(map);
1309 }
1310
1311
fe4da5cc 1312 fHgwmk=nkeep-1;
1313 particles.SetLast(fHgwmk);
1314 delete [] map;
1315}
1316
1317//_____________________________________________________________________________
dffd31ef 1318void AliRun::BeginEvent()
fe4da5cc 1319{
1320 //
1321 // Reset all Detectors & kinematics & trees
1322 //
59fe9bd2 1323 char hname[30];
1324 //
dffd31ef 1325
1326 //
1327 if(fLego) {
1328 fLego->BeginEvent();
1329 return;
1330 }
1331
1332 //
fe4da5cc 1333 ResetStack();
1334 ResetHits();
1335 ResetDigits();
1336
1337 // Initialise event header
875c717b 1338 fHeader.Reset(fRun,fEvent);
fe4da5cc 1339
59fe9bd2 1340 if(fTreeK) {
1341 fTreeK->Reset();
875c717b 1342 sprintf(hname,"TreeK%d",fEvent);
59fe9bd2 1343 fTreeK->SetName(hname);
1344 }
1345 if(fTreeH) {
1346 fTreeH->Reset();
875c717b 1347 sprintf(hname,"TreeH%d",fEvent);
59fe9bd2 1348 fTreeH->SetName(hname);
1349 }
1350 if(fTreeD) {
1351 fTreeD->Reset();
875c717b 1352 sprintf(hname,"TreeD%d",fEvent);
59fe9bd2 1353 fTreeD->SetName(hname);
1354 }
1355 if(fTreeR) {
1356 fTreeR->Reset();
875c717b 1357 sprintf(hname,"TreeR%d",fEvent);
59fe9bd2 1358 fTreeR->SetName(hname);
1359 }
fe4da5cc 1360}
1361
1362//_____________________________________________________________________________
1363void AliRun::ResetDigits()
1364{
1365 //
1366 // Reset all Detectors digits
1367 //
8494b010 1368 TIter next(fModules);
1369 AliModule *detector;
1370 while((detector = (AliModule*)next())) {
fe4da5cc 1371 detector->ResetDigits();
1372 }
1373}
1374
1375//_____________________________________________________________________________
1376void AliRun::ResetHits()
1377{
1378 //
1379 // Reset all Detectors hits
1380 //
8494b010 1381 TIter next(fModules);
1382 AliModule *detector;
1383 while((detector = (AliModule*)next())) {
fe4da5cc 1384 detector->ResetHits();
1385 }
1386}
1387
1388//_____________________________________________________________________________
1389void AliRun::ResetPoints()
1390{
1391 //
1392 // Reset all Detectors points
1393 //
8494b010 1394 TIter next(fModules);
1395 AliModule *detector;
1396 while((detector = (AliModule*)next())) {
fe4da5cc 1397 detector->ResetPoints();
1398 }
1399}
1400
1401//_____________________________________________________________________________
875c717b 1402void AliRun::RunMC(Int_t nevent, const char *setup)
fe4da5cc 1403{
1404 //
1405 // Main function to be called to process a galice run
1406 // example
1407 // Root > gAlice.Run();
1408 // a positive number of events will cause the finish routine
1409 // to be called
1410 //
1411
fe4da5cc 1412 // check if initialisation has been done
875c717b 1413 if (!fInitDone) InitMC(setup);
fe4da5cc 1414
fe4da5cc 1415 // Create the Root Tree with one branch per detector
80762cb1 1416 MakeTree("KHDER");
fe4da5cc 1417
875c717b 1418 gMC->ProcessRun(nevent);
1419
fe4da5cc 1420 // End of this run, close files
80762cb1 1421 if(nevent>0) FinishRun();
fe4da5cc 1422}
1423
1424//_____________________________________________________________________________
0a520a66 1425void AliRun::RunLego(const char *setup, Int_t nc1, Float_t c1min,
1426 Float_t c1max,Int_t nc2,Float_t c2min,Float_t c2max,
1427 Float_t rmin,Float_t rmax,Float_t zmax, AliLegoGenerator* gener)
fe4da5cc 1428{
1429 //
1430 // Generates lego plots of:
1431 // - radiation length map phi vs theta
1432 // - radiation length map phi vs eta
1433 // - interaction length map
1434 // - g/cm2 length map
1435 //
1436 // ntheta bins in theta, eta
1437 // themin minimum angle in theta (degrees)
1438 // themax maximum angle in theta (degrees)
1439 // nphi bins in phi
1440 // phimin minimum angle in phi (degrees)
1441 // phimax maximum angle in phi (degrees)
1442 // rmin minimum radius
1443 // rmax maximum radius
1444 //
1445 //
1446 // The number of events generated = ntheta*nphi
1447 // run input parameters in macro setup (default="Config.C")
1448 //
1449 // Use macro "lego.C" to visualize the 3 lego plots in spherical coordinates
1450 //Begin_Html
1451 /*
1439f98e 1452 <img src="picts/AliRunLego1.gif">
fe4da5cc 1453 */
1454 //End_Html
1455 //Begin_Html
1456 /*
1439f98e 1457 <img src="picts/AliRunLego2.gif">
fe4da5cc 1458 */
1459 //End_Html
1460 //Begin_Html
1461 /*
1439f98e 1462 <img src="picts/AliRunLego3.gif">
fe4da5cc 1463 */
1464 //End_Html
1465 //
1466
1467 // check if initialisation has been done
875c717b 1468 if (!fInitDone) InitMC(setup);
838edcaf 1469 //Save current generator
1470 AliGenerator *gen=Generator();
1471
0a520a66 1472 // Set new generator
1473 if (!gener) gener = new AliLegoGenerator();
1474 ResetGenerator(gener);
1475 //
1476 // Configure Generator
1477 gener->SetRadiusRange(rmin, rmax);
1478 gener->SetZMax(zmax);
1479 gener->SetCoor1Range(nc1, c1min, c1max);
1480 gener->SetCoor2Range(nc2, c2min, c2max);
1481
1482
b13db077 1483 //Create Lego object
0a520a66 1484 fLego = new AliLego("lego",gener);
b13db077 1485
dffd31ef 1486 //Prepare MC for Lego Run
1487 gMC->InitLego();
1488
b13db077 1489 //Run Lego Object
0a520a66 1490
1491 gMC->ProcessRun(nc1*nc2+1);
fe4da5cc 1492
1493 // Create only the Root event Tree
80762cb1 1494 MakeTree("E");
fe4da5cc 1495
1496 // End of this run, close files
80762cb1 1497 FinishRun();
0a520a66 1498 // Restore current generator
1499 ResetGenerator(gen);
838edcaf 1500 // Delete Lego Object
1501 delete fLego; fLego=0;
fe4da5cc 1502}
1503
1504//_____________________________________________________________________________
94de3818 1505void AliRun::SetConfigFunction(const char * config)
1506{
1507 //
1508 // Set the signature of the function contained in Config.C to configure
1509 // the run
1510 //
1511 fConfigFunction=config;
1512}
1513
1514//_____________________________________________________________________________
fe4da5cc 1515void AliRun::SetCurrentTrack(Int_t track)
1516{
1517 //
1518 // Set current track number
1519 //
1520 fCurrent = track;
1521}
1522
1523//_____________________________________________________________________________
1578254f 1524void AliRun::SetTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom,
fe4da5cc 1525 Float_t *vpos, Float_t *polar, Float_t tof,
8918e700 1526 const char* /* mecha */, Int_t &ntr, Float_t weight)
fe4da5cc 1527{
1528 //
1529 // Load a track on the stack
1530 //
1531 // done 0 if the track has to be transported
1532 // 1 if not
1533 // parent identifier of the parent track. -1 for a primary
1578254f 1534 // pdg particle code
fe4da5cc 1535 // pmom momentum GeV/c
1536 // vpos position
1537 // polar polarisation
1538 // tof time of flight in seconds
1539 // mecha production mechanism
1540 // ntr on output the number of the track stored
1541 //
1542 TClonesArray &particles = *fParticles;
1578254f 1543 TParticle *particle;
fe4da5cc 1544 Float_t mass;
aee8290b 1545 const Int_t kfirstdaughter=-1;
1546 const Int_t klastdaughter=-1;
1547 const Int_t kS=0;
1578254f 1548 // const Float_t tlife=0;
fe4da5cc 1549
1578254f 1550 //
1551 // Here we get the static mass
1552 // For MC is ok, but a more sophisticated method could be necessary
1553 // if the calculated mass is required
1554 // also, this method is potentially dangerous if the mass
1555 // used in the MC is not the same of the PDG database
1556 //
1557 mass = TDatabasePDG::Instance()->GetParticle(pdg)->Mass();
fe4da5cc 1558 Float_t e=TMath::Sqrt(mass*mass+pmom[0]*pmom[0]+
1559 pmom[1]*pmom[1]+pmom[2]*pmom[2]);
1560
aee8290b 1561 //printf("Loading particle %s mass %f ene %f No %d ip %d pos %f %f %f mom %f %f %f kS %d m %s\n",
1562 //pname,mass,e,fNtrack,pdg,vpos[0],vpos[1],vpos[2],pmom[0],pmom[1],pmom[2],kS,mecha);
fe4da5cc 1563
aee8290b 1564 particle=new(particles[fNtrack]) TParticle(pdg,kS,parent,-1,kfirstdaughter,
1565 klastdaughter,pmom[0],pmom[1],pmom[2],
1578254f 1566 e,vpos[0],vpos[1],vpos[2],tof);
1567 // polar[0],polar[1],polar[2],tof,
1568 // mecha,weight);
1569 ((TParticle*)particles[fNtrack])->SetPolarisation(TVector3(polar[0],polar[1],polar[2]));
1570 ((TParticle*)particles[fNtrack])->SetWeight(weight);
aee8290b 1571 if(!done) particle->SetBit(kDoneBit);
a01a8b12 1572 //Declare that the daughter information is valid
aee8290b 1573 ((TParticle*)particles[fNtrack])->SetBit(kDaughtersBit);
fe4da5cc 1574
1575 if(parent>=0) {
1578254f 1576 particle=(TParticle*) fParticles->UncheckedAt(parent);
1577 particle->SetLastDaughter(fNtrack);
1578 if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack);
fe4da5cc 1579 } else {
1580 //
1581 // This is a primary track. Set high water mark for this event
1582 fHgwmk=fNtrack;
1583 //
1584 // Set also number if primary tracks
1585 fHeader.SetNprimary(fHgwmk+1);
1586 fHeader.SetNtrack(fHgwmk+1);
1587 }
1588 ntr = fNtrack++;
1589}
1590
1591//_____________________________________________________________________________
1592void AliRun::KeepTrack(const Int_t track)
1593{
1594 //
1595 // flags a track to be kept
1596 //
1597 TClonesArray &particles = *fParticles;
aee8290b 1598 ((TParticle*)particles[track])->SetBit(kKeepBit);
fe4da5cc 1599}
1600
1601//_____________________________________________________________________________
875c717b 1602void AliRun::StepManager(Int_t id)
fe4da5cc 1603{
1604 //
1605 // Called at every step during transport
1606 //
1607
fe4da5cc 1608 //
1609 // --- If lego option, do it and leave
b13db077 1610 if (fLego)
fe4da5cc 1611 fLego->StepManager();
b13db077 1612 else {
1613 Int_t copy;
1614 //Update energy deposition tables
875c717b 1615 AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep());
fe4da5cc 1616
b13db077 1617 //Call the appropriate stepping routine;
1618 AliModule *det = (AliModule*)fModules->At(id);
1619 if(det) det->StepManager();
fe4da5cc 1620 }
fe4da5cc 1621}
1622
1623//_____________________________________________________________________________
fe4da5cc 1624void AliRun::Streamer(TBuffer &R__b)
1625{
1626 //
1627 // Stream an object of class AliRun.
1628 //
1629 if (R__b.IsReading()) {
1630 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
1631 TNamed::Streamer(R__b);
1632 if (!gAlice) gAlice = this;
1633 gROOT->GetListOfBrowsables()->Add(this,"Run");
59fe9bd2 1634 fTreeE = (TTree*)gDirectory->Get("TE");
aee8290b 1635 if (fTreeE) fTreeE->SetBranchAddress("Header", &gAliHeader);
59fe9bd2 1636 else Error("Streamer","cannot find Header Tree\n");
fe4da5cc 1637 R__b >> fNtrack;
1638 R__b >> fHgwmk;
1639 R__b >> fDebug;
1640 fHeader.Streamer(R__b);
8494b010 1641 R__b >> fModules;
fe4da5cc 1642 R__b >> fParticles;
1643 R__b >> fField;
875c717b 1644 // R__b >> fMC;
fe4da5cc 1645 R__b >> fNdets;
1646 R__b >> fTrRmax;
1647 R__b >> fTrZmax;
1648 R__b >> fGenerator;
59fe9bd2 1649 if(R__v>1) {
1650 R__b >> fPDGDB; //Particle factory object!
1651 fTreeE->GetEntry(0);
1652 } else {
1653 fHeader.SetEvent(0);
1654 fPDGDB = TDatabasePDG::Instance(); //Particle factory object!
1655 }
45189757 1656 if(R__v>2) {
1657 fConfigFunction.Streamer(R__b);
1658 } else {
1659 fConfigFunction="Config();";
1660 }
fe4da5cc 1661 } else {
1662 R__b.WriteVersion(AliRun::IsA());
1663 TNamed::Streamer(R__b);
1664 R__b << fNtrack;
1665 R__b << fHgwmk;
1666 R__b << fDebug;
1667 fHeader.Streamer(R__b);
8494b010 1668 R__b << fModules;
fe4da5cc 1669 R__b << fParticles;
1670 R__b << fField;
875c717b 1671 // R__b << fMC;
fe4da5cc 1672 R__b << fNdets;
1673 R__b << fTrRmax;
1674 R__b << fTrZmax;
1675 R__b << fGenerator;
1578254f 1676 R__b << fPDGDB; //Particle factory object!
45189757 1677 fConfigFunction.Streamer(R__b);
fe4da5cc 1678 }
1679}