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