New TPC initialisation
[u/mrichter/AliRoot.git] / STEER / AliRun.cxx
CommitLineData
fe4da5cc 1///////////////////////////////////////////////////////////////////////////////
2// //
3// Control class for Alice C++ //
4// Only one single instance of this class exists. //
5// The object is created in main program aliroot //
6// and is pointed by the global gAlice. //
7// //
8494b010 8// -Supports the list of all Alice Detectors (fModules). //
fe4da5cc 9// -Supports the list of particles (fParticles). //
10// -Supports the Trees. //
11// -Supports the geometry. //
12// -Supports the event display. //
13//Begin_Html
14/*
1439f98e 15<img src="picts/AliRunClass.gif">
fe4da5cc 16*/
17//End_Html
18//Begin_Html
19/*
1439f98e 20<img src="picts/alirun.gif">
fe4da5cc 21*/
22//End_Html
23// //
24///////////////////////////////////////////////////////////////////////////////
25
26#include <TFile.h>
27#include <TRandom.h>
28#include <TBRIK.h>
29#include <TNode.h>
fe4da5cc 30#include <TCint.h>
31#include <TSystem.h>
a8f1fb7c 32#include <TObjectTable.h>
fe4da5cc 33
1578254f 34#include "TParticle.h"
fe4da5cc 35#include "AliRun.h"
fe4da5cc 36#include "AliDisplay.h"
37
38#include "AliCallf77.h"
39
40#include <stdlib.h>
41#include <stdio.h>
42#include <string.h>
43
44AliRun *gAlice;
45
46static AliHeader *header;
47
48#ifndef WIN32
49
50# define rxgtrak rxgtrak_
51# define rxstrak rxstrak_
52# define rxkeep rxkeep_
53# define rxouth rxouth_
fe4da5cc 54#else
55
56# define rxgtrak RXGTRAK
57# define rxstrak RXSTRAK
58# define rxkeep RXKEEP
59# define rxouth RXOUTH
fe4da5cc 60#endif
61
62static TArrayF sEventEnergy;
63static TArrayF sSummEnergy;
64static TArrayF sSum2Energy;
65
fe4da5cc 66ClassImp(AliRun)
67
68//_____________________________________________________________________________
69AliRun::AliRun()
70{
71 //
72 // Default constructor for AliRun
73 //
74 header=&fHeader;
75 fRun = 0;
76 fEvent = 0;
77 fCurrent = -1;
8494b010 78 fModules = 0;
fe4da5cc 79 fGenerator = 0;
80 fTreeD = 0;
81 fTreeK = 0;
82 fTreeH = 0;
83 fTreeE = 0;
84 fTreeR = 0;
85 fParticles = 0;
86 fGeometry = 0;
87 fDisplay = 0;
88 fField = 0;
89 fMC = 0;
90 fNdets = 0;
91 fImedia = 0;
92 fTrRmax = 1.e10;
93 fTrZmax = 1.e10;
fe4da5cc 94 fInitDone = kFALSE;
95 fLego = 0;
1578254f 96 fPDGDB = 0; //Particle factory object!
fe4da5cc 97}
98
99//_____________________________________________________________________________
100AliRun::AliRun(const char *name, const char *title)
101 : TNamed(name,title)
102{
103 //
104 // Constructor for the main processor.
105 // Creates the geometry
106 // Creates the list of Detectors.
107 // Creates the list of particles.
108 //
109 Int_t i;
110
111 gAlice = this;
112 fTreeD = 0;
113 fTreeK = 0;
114 fTreeH = 0;
115 fTreeE = 0;
116 fTreeR = 0;
117 fTrRmax = 1.e10;
118 fTrZmax = 1.e10;
1141f8e4 119 fGenerator = 0;
fe4da5cc 120 fInitDone = kFALSE;
121 fLego = 0;
122 fField = 0;
123
124 gROOT->GetListOfBrowsables()->Add(this,name);
125 //
126 // create the support list for the various Detectors
8494b010 127 fModules = new TObjArray(77);
fe4da5cc 128 //
129 // Create the TNode geometry for the event display
130
131 BuildSimpleGeometry();
132
133
134 fNtrack=0;
135 fHgwmk=0;
136 fCurrent=-1;
137 header=&fHeader;
138 fRun = 0;
139 fEvent = 0;
140 //
141 // Create the particle stack
1578254f 142 fParticles = new TClonesArray("TParticle",100);
fe4da5cc 143
144 fDisplay = 0;
145 //
146 // Create default mag field
147 SetField();
148 //
cfce8870 149 fMC = gMC;
fe4da5cc 150 //
151 // Prepare the tracking medium lists
152 fImedia = new TArrayI(1000);
153 for(i=0;i<1000;i++) (*fImedia)[i]=-99;
1578254f 154 //
155 // Make particles
156 fPDGDB = TDatabasePDG::Instance(); //Particle factory object!
fe4da5cc 157}
158
159//_____________________________________________________________________________
160AliRun::~AliRun()
161{
162 //
163 // Defaullt AliRun destructor
164 //
fe4da5cc 165 delete fImedia;
166 delete fField;
167 delete fMC;
168 delete fGeometry;
169 delete fDisplay;
170 delete fGenerator;
171 delete fLego;
172 delete fTreeD;
173 delete fTreeK;
174 delete fTreeH;
175 delete fTreeE;
176 delete fTreeR;
8494b010 177 if (fModules) {
178 fModules->Delete();
179 delete fModules;
fe4da5cc 180 }
181 if (fParticles) {
182 fParticles->Delete();
183 delete fParticles;
184 }
185}
186
187//_____________________________________________________________________________
188void AliRun::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const
189{
190 //
191 // Add a hit to detector id
192 //
8494b010 193 TObjArray &dets = *fModules;
194 if(dets[id]) ((AliModule*) dets[id])->AddHit(track,vol,hits);
fe4da5cc 195}
196
197//_____________________________________________________________________________
198void AliRun::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const
199{
200 //
201 // Add digit to detector id
202 //
8494b010 203 TObjArray &dets = *fModules;
204 if(dets[id]) ((AliModule*) dets[id])->AddDigit(tracks,digits);
fe4da5cc 205}
206
207//_____________________________________________________________________________
208void AliRun::Browse(TBrowser *b)
209{
210 //
211 // Called when the item "Run" is clicked on the left pane
212 // of the Root browser.
213 // It displays the Root Trees and all detectors.
214 //
215 if (fTreeK) b->Add(fTreeK,fTreeK->GetName());
216 if (fTreeH) b->Add(fTreeH,fTreeH->GetName());
217 if (fTreeD) b->Add(fTreeD,fTreeD->GetName());
218 if (fTreeE) b->Add(fTreeE,fTreeE->GetName());
219 if (fTreeR) b->Add(fTreeR,fTreeR->GetName());
220
8494b010 221 TIter next(fModules);
222 AliModule *detector;
223 while((detector = (AliModule*)next())) {
fe4da5cc 224 b->Add(detector,detector->GetName());
225 }
226}
227
228//_____________________________________________________________________________
229void AliRun::Build()
230{
231 //
232 // Initialize Alice geometry
233 // Dummy routine
234 //
235}
236
237//_____________________________________________________________________________
238void AliRun::BuildSimpleGeometry()
239{
240 //
241 // Create a simple TNode geometry used by Root display engine
242 //
243 // Initialise geometry
244 //
245 fGeometry = new TGeometry("AliceGeom","Galice Geometry for Hits");
246 new TMaterial("void","Vacuum",0,0,0); //Everything is void
247 TBRIK *brik = new TBRIK("S_alice","alice volume","void",2000,2000,3000);
248 brik->SetVisibility(0);
249 new TNode("alice","alice","S_alice");
250}
251
252//_____________________________________________________________________________
253void AliRun::CleanDetectors()
254{
255 //
256 // Clean Detectors at the end of event
257 //
8494b010 258 TIter next(fModules);
259 AliModule *detector;
260 while((detector = (AliModule*)next())) {
fe4da5cc 261 detector->FinishEvent();
262 }
263}
264
265//_____________________________________________________________________________
266void AliRun::CleanParents()
267{
268 //
269 // Clean Particles stack.
1578254f 270 // Set parent/daughter relations
fe4da5cc 271 //
272 TClonesArray &particles = *(gAlice->Particles());
1578254f 273 TParticle *part;
fe4da5cc 274 int i;
275 for(i=0; i<fNtrack; i++) {
1578254f 276 part = (TParticle *)particles.UncheckedAt(i);
277 if(!part->TestBit(Daughters_Bit)) {
278 part->SetFirstDaughter(-1);
279 part->SetLastDaughter(-1);
fe4da5cc 280 }
281 }
282}
283
284//_____________________________________________________________________________
285Int_t AliRun::DistancetoPrimitive(Int_t, Int_t)
286{
287 //
288 // Return the distance from the mouse to the AliRun object
289 // Dummy routine
290 //
291 return 9999;
292}
293
294//_____________________________________________________________________________
295void AliRun::DumpPart (Int_t i)
296{
297 //
298 // Dumps particle i in the stack
299 //
300 TClonesArray &particles = *fParticles;
1578254f 301 ((TParticle*) particles[i])->Print();
fe4da5cc 302}
303
304//_____________________________________________________________________________
305void AliRun::DumpPStack ()
306{
307 //
308 // Dumps the particle stack
309 //
310 TClonesArray &particles = *fParticles;
311 printf(
312 "\n\n=======================================================================\n");
313 for (Int_t i=0;i<fNtrack;i++)
314 {
1578254f 315 printf("-> %d ",i); ((TParticle*) particles[i])->Print();
fe4da5cc 316 printf("--------------------------------------------------------------\n");
317 }
318 printf(
319 "\n=======================================================================\n\n");
320}
321
322//_____________________________________________________________________________
323void AliRun::SetField(Int_t type, Int_t version, Float_t scale,
324 Float_t maxField, char* filename)
325{
326 //
327 // Set magnetic field parameters
328 // type Magnetic field transport flag 0=no field, 2=helix, 3=Runge Kutta
329 // version Magnetic field map version (only 1 active now)
330 // scale Scale factor for the magnetic field
331 // maxField Maximum value for the magnetic field
332
333 //
334 // --- Sanity check on mag field flags
335 if(type<0 || type > 2) {
23370b7a 336 Warning("SetField",
337 "Invalid magnetic field flag: %5d; Helix tracking chosen instead\n"
fe4da5cc 338 ,type);
339 type=2;
340 }
341 if(fField) delete fField;
342 if(version==1) {
343 fField = new AliMagFC("Map1"," ",type,version,scale,maxField);
344 } else if(version<=3) {
345 fField = new AliMagFCM("Map2-3",filename,type,version,scale,maxField);
346 fField->ReadField();
347 } else {
23370b7a 348 Warning("SetField","Invalid map %d\n",version);
fe4da5cc 349 }
350}
351
352//_____________________________________________________________________________
353void AliRun::FillTree()
354{
355 //
356 // Fills all AliRun TTrees
357 //
358 if (fTreeK) fTreeK->Fill();
359 if (fTreeH) fTreeH->Fill();
360 if (fTreeD) fTreeD->Fill();
361 if (fTreeR) fTreeR->Fill();
362}
363
364//_____________________________________________________________________________
365void AliRun::FinishPrimary()
366{
367 //
368 // Called at the end of each primary track
369 //
370
6c9704e6 371 // static Int_t count=0;
372 // const Int_t times=10;
fe4da5cc 373 // This primary is finished, purify stack
374 gAlice->PurifyKine();
375
376 // Write out hits if any
377 if (gAlice->TreeH()) {
378 gAlice->TreeH()->Fill();
379 }
380
381 // Reset Hits info
382 gAlice->ResetHits();
a8f1fb7c 383
384 //
385 // if(++count%times==1) gObjectTable->Print();
fe4da5cc 386}
387
388//_____________________________________________________________________________
389void AliRun::FinishEvent()
390{
391 //
392 // Called at the end of the event.
393 //
394
395 //Update the energy deposit tables
396 Int_t i;
397 for(i=0;i<sEventEnergy.GetSize();i++) {
398 sSummEnergy[i]+=sEventEnergy[i];
399 sSum2Energy[i]+=sEventEnergy[i]*sEventEnergy[i];
400 }
401 sEventEnergy.Reset();
402
403 // Clean detector information
404 CleanDetectors();
405
406 // Write out the kinematics
407 if (fTreeK) {
408 CleanParents();
409 fTreeK->Fill();
410 }
411
412 // Write out the digits
413 if (fTreeD) {
414 fTreeD->Fill();
415 ResetDigits();
416 }
417
418 // Write out reconstructed clusters
419 if (fTreeR) {
420 fTreeR->Fill();
421 }
422
423 // Write out the event Header information
424 if (fTreeE) fTreeE->Fill();
425
426 // Reset stack info
427 ResetStack();
428
429 // Write Tree headers
59fe9bd2 430 // Int_t ievent = fHeader.GetEvent();
431 // char hname[30];
432 // sprintf(hname,"TreeK%d",ievent);
433 if (fTreeK) fTreeK->Write();
434 // sprintf(hname,"TreeH%d",ievent);
435 if (fTreeH) fTreeH->Write();
436 // sprintf(hname,"TreeD%d",ievent);
437 if (fTreeD) fTreeD->Write();
438 // sprintf(hname,"TreeR%d",ievent);
439 if (fTreeR) fTreeR->Write();
fe4da5cc 440}
441
442//_____________________________________________________________________________
443void AliRun::FinishRun()
444{
445 //
446 // Called at the end of the run.
447 //
448
449 // Clean detector information
8494b010 450 TIter next(fModules);
451 AliModule *detector;
452 while((detector = (AliModule*)next())) {
fe4da5cc 453 detector->FinishRun();
454 }
455
456 //Output energy summary tables
457 EnergySummary();
458
459 // file is retrieved from whatever tree
460 TFile *File = 0;
461 if (fTreeK) File = fTreeK->GetCurrentFile();
462 if ((!File) && (fTreeH)) File = fTreeH->GetCurrentFile();
463 if ((!File) && (fTreeD)) File = fTreeD->GetCurrentFile();
464 if ((!File) && (fTreeE)) File = fTreeE->GetCurrentFile();
465 if( NULL==File ) {
466 Error("FinishRun","There isn't root file!");
467 exit(1);
468 }
469 File->cd();
470 fTreeE->Write();
471
472 // Clean tree information
473 delete fTreeK; fTreeK = 0;
474 delete fTreeH; fTreeH = 0;
475 delete fTreeD; fTreeD = 0;
476 delete fTreeR; fTreeR = 0;
477 delete fTreeE; fTreeE = 0;
478
479 // Write AliRun info and all detectors parameters
480 Write();
481
482 // Close output file
483 File->Write();
484 File->Close();
485}
486
487//_____________________________________________________________________________
488void AliRun::FlagTrack(Int_t track)
489{
490 //
491 // Flags a track and all its family tree to be kept
492 //
493 int curr;
1578254f 494 TParticle *particle;
fe4da5cc 495
496 curr=track;
497 while(1) {
1578254f 498 particle=(TParticle*)fParticles->UncheckedAt(curr);
fe4da5cc 499
500 // If the particle is flagged the three from here upward is saved already
501 if(particle->TestBit(Keep_Bit)) return;
502
503 // Save this particle
504 particle->SetBit(Keep_Bit);
505
506 // Move to father if any
1578254f 507 if((curr=particle->GetFirstMother())==-1) return;
fe4da5cc 508 }
509}
510
511//_____________________________________________________________________________
512void AliRun::EnergySummary()
513{
514 //
515 // Print summary of deposited energy
516 //
517
fe4da5cc 518 Int_t ndep=0;
519 Float_t edtot=0;
520 Float_t ed, ed2;
521 Int_t kn, i, left, j, id;
522 const Float_t zero=0;
523 Int_t ievent=fHeader.GetEvent()+1;
524 //
525 // Energy loss information
526 if(ievent) {
527 printf("***************** Energy Loss Information per event (GEV) *****************\n");
528 for(kn=1;kn<sEventEnergy.GetSize();kn++) {
529 ed=sSummEnergy[kn];
530 if(ed>0) {
531 sEventEnergy[ndep]=kn;
532 if(ievent>1) {
533 ed=ed/ievent;
534 ed2=sSum2Energy[kn];
535 ed2=ed2/ievent;
536 ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,zero))/ed;
537 } else
538 ed2=99;
539 sSummEnergy[ndep]=ed;
540 sSum2Energy[ndep]=TMath::Min((Float_t) 99.,TMath::Max(ed2,zero));
541 edtot+=ed;
542 ndep++;
543 }
544 }
545 for(kn=0;kn<(ndep-1)/3+1;kn++) {
546 left=ndep-kn*3;
547 for(i=0;i<(3<left?3:left);i++) {
548 j=kn*3+i;
549 id=Int_t (sEventEnergy[j]+0.1);
cfce8870 550 printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),sSummEnergy[j],sSum2Energy[j]);
fe4da5cc 551 }
552 printf("\n");
553 }
554 //
555 // Relative energy loss in different detectors
556 printf("******************** Relative Energy Loss per event ********************\n");
557 printf("Total energy loss per event %10.3f GeV\n",edtot);
558 for(kn=0;kn<(ndep-1)/5+1;kn++) {
559 left=ndep-kn*5;
560 for(i=0;i<(5<left?5:left);i++) {
561 j=kn*5+i;
562 id=Int_t (sEventEnergy[j]+0.1);
cfce8870 563 printf(" %s %10.3f%%;",gMC->VolName(id),100*sSummEnergy[j]/edtot);
fe4da5cc 564 }
565 printf("\n");
566 }
567 for(kn=0;kn<75;kn++) printf("*");
568 printf("\n");
569 }
570 //
571 // Reset the TArray's
572 sEventEnergy.Set(0);
573 sSummEnergy.Set(0);
574 sSum2Energy.Set(0);
575}
576
577//_____________________________________________________________________________
8494b010 578AliModule *AliRun::GetModule(const char *name)
fe4da5cc 579{
580 //
581 // Return pointer to detector from name
582 //
8494b010 583 return (AliModule*)fModules->FindObject(name);
fe4da5cc 584}
585
586//_____________________________________________________________________________
a68348e9 587AliDetector *AliRun::GetDetector(const char *name)
588{
589 //
590 // Return pointer to detector from name
591 //
592 return (AliDetector*)fModules->FindObject(name);
593}
594
595//_____________________________________________________________________________
8494b010 596Int_t AliRun::GetModuleID(const char *name)
fe4da5cc 597{
598 //
599 // Return galice internal detector identifier from name
600 //
23370b7a 601 Int_t i=-1;
602 TObject *mod=fModules->FindObject(name);
603 if(mod) i=fModules->IndexOf(mod);
604 return i;
fe4da5cc 605}
606
607//_____________________________________________________________________________
608Int_t AliRun::GetEvent(Int_t event)
609{
610 //
611 // Connect the Trees Kinematics and Hits for event # event
612 // Set branch addresses
613 //
fe4da5cc 614
615 // Reset existing structures
616 ResetStack();
617 ResetHits();
618 ResetDigits();
619
620 // Delete Trees already connected
621 if (fTreeK) delete fTreeK;
622 if (fTreeH) delete fTreeH;
623 if (fTreeD) delete fTreeD;
624 if (fTreeR) delete fTreeR;
59fe9bd2 625
626 // Get header from file
627 if(fTreeE) fTreeE->GetEntry(event);
628 else Error("GetEvent","Cannot file Header Tree\n");
fe4da5cc 629
630 // Get Kine Tree from file
631 char treeName[20];
632 sprintf(treeName,"TreeK%d",event);
633 fTreeK = (TTree*)gDirectory->Get(treeName);
634 if (fTreeK) fTreeK->SetBranchAddress("Particles", &fParticles);
23370b7a 635 else Error("GetEvent","cannot find Kine Tree for event:%d\n",event);
fe4da5cc 636
637 // Get Hits Tree header from file
638 sprintf(treeName,"TreeH%d",event);
639 fTreeH = (TTree*)gDirectory->Get(treeName);
640 if (!fTreeH) {
23370b7a 641 Error("GetEvent","cannot find Hits Tree for event:%d\n",event);
fe4da5cc 642 }
643
644 // Get Digits Tree header from file
645 sprintf(treeName,"TreeD%d",event);
646 fTreeD = (TTree*)gDirectory->Get(treeName);
647 if (!fTreeD) {
07a68c1d 648 Warning("GetEvent","cannot find Digits Tree for event:%d\n",event);
fe4da5cc 649 }
650
651
652 // Get Reconstruct Tree header from file
653 sprintf(treeName,"TreeR%d",event);
654 fTreeR = (TTree*)gDirectory->Get(treeName);
655 if (!fTreeR) {
656 // printf("WARNING: cannot find Reconstructed Tree for event:%d\n",event);
657 }
658
659 // Set Trees branch addresses
8494b010 660 TIter next(fModules);
661 AliModule *detector;
662 while((detector = (AliModule*)next())) {
fe4da5cc 663 detector->SetTreeAddress();
664 }
665
666 if (fTreeK) fTreeK->GetEvent(0);
667 fNtrack = Int_t (fParticles->GetEntries());
668 return fNtrack;
669}
670
671//_____________________________________________________________________________
672TGeometry *AliRun::GetGeometry()
673{
674 //
675 // Import Alice geometry from current file
676 // Return pointer to geometry object
677 //
678 if (!fGeometry) fGeometry = (TGeometry*)gDirectory->Get("AliceGeom");
679 //
680 // Unlink and relink nodes in detectors
681 // This is bad and there must be a better way...
682 //
fe4da5cc 683
8494b010 684 TIter next(fModules);
685 AliModule *detector;
686 while((detector = (AliModule*)next())) {
fe4da5cc 687 detector->SetTreeAddress();
688 TList *dnodes=detector->Nodes();
689 Int_t j;
690 TNode *node, *node1;
691 for ( j=0; j<dnodes->GetSize(); j++) {
692 node = (TNode*) dnodes->At(j);
52d0ab00 693 node1 = fGeometry->GetNode(node->GetName());
fe4da5cc 694 dnodes->Remove(node);
695 dnodes->AddAt(node1,j);
696 }
697 }
698 return fGeometry;
699}
700
701//_____________________________________________________________________________
702void AliRun::GetNextTrack(Int_t &mtrack, Int_t &ipart, Float_t *pmom,
703 Float_t &e, Float_t *vpos, Float_t *polar,
704 Float_t &tof)
705{
706 //
707 // Return next track from stack of particles
708 //
a8f1fb7c 709 TVector3 pol;
fe4da5cc 710 fCurrent=-1;
1578254f 711 TParticle *track;
fe4da5cc 712 for(Int_t i=fNtrack-1; i>=0; i--) {
1578254f 713 track=(TParticle*) fParticles->UncheckedAt(i);
fe4da5cc 714 if(!track->TestBit(Done_Bit)) {
715 //
716 // The track has not yet been processed
717 fCurrent=i;
1578254f 718 ipart=track->GetPdgCode();
719 pmom[0]=track->Px();
720 pmom[1]=track->Py();
721 pmom[2]=track->Pz();
722 e =track->Energy();
723 vpos[0]=track->Vx();
724 vpos[1]=track->Vy();
725 vpos[2]=track->Vz();
a8f1fb7c 726 track->GetPolarisation(pol);
727 polar[0]=pol.X();
728 polar[1]=pol.Y();
729 polar[2]=pol.Z();
1578254f 730 tof=track->T();
fe4da5cc 731 track->SetBit(Done_Bit);
732 break;
733 }
734 }
735 mtrack=fCurrent;
736 //
737 // stop and start timer when we start a primary track
738 Int_t nprimaries = fHeader.GetNprimary();
739 if (fCurrent >= nprimaries) return;
740 if (fCurrent < nprimaries-1) {
741 fTimer.Stop();
1578254f 742 track=(TParticle*) fParticles->UncheckedAt(fCurrent+1);
743 // track->SetProcessTime(fTimer.CpuTime());
fe4da5cc 744 }
745 fTimer.Start();
746}
747
748//_____________________________________________________________________________
749Int_t AliRun::GetPrimary(Int_t track)
750{
751 //
752 // return number of primary that has generated track
753 //
754 int current, parent;
1578254f 755 TParticle *part;
fe4da5cc 756 //
757 parent=track;
758 while (1) {
759 current=parent;
1578254f 760 part = (TParticle *)fParticles->UncheckedAt(current);
761 parent=part->GetFirstMother();
fe4da5cc 762 if(parent<0) return current;
763 }
764}
765
766//_____________________________________________________________________________
767void AliRun::Init(const char *setup)
768{
769 //
770 // Initialize the Alice setup
771 //
772
773 gROOT->LoadMacro(setup);
774 gInterpreter->ProcessLine("Config();");
775
cfce8870 776 gMC->DefineParticles(); //Create standard MC particles
fe4da5cc 777
778 TObject *objfirst, *objlast;
779
23370b7a 780 fNdets = fModules->GetLast()+1;
781
fe4da5cc 782 //
783 //=================Create Materials, geometry, histograms, etc
8494b010 784 TIter next(fModules);
785 AliModule *detector;
786 while((detector = (AliModule*)next())) {
fe4da5cc 787 detector->SetTreeAddress();
788 objlast = gDirectory->GetList()->Last();
789
790 // Initialise detector materials, geometry, histograms,etc
791 detector->CreateMaterials();
792 detector->CreateGeometry();
793 detector->BuildGeometry();
794 detector->Init();
795
796 // Add Detector histograms in Detector list of histograms
797 if (objlast) objfirst = gDirectory->GetList()->After(objlast);
798 else objfirst = gDirectory->GetList()->First();
799 while (objfirst) {
800 detector->Histograms()->Add(objfirst);
801 objfirst = gDirectory->GetList()->After(objfirst);
802 }
803 }
804 SetTransPar(); //Read the cuts for all materials
805
806 MediaTable(); //Build the special IMEDIA table
807
808 //Close the geometry structure
cfce8870 809 gMC->Ggclos();
fe4da5cc 810
811 //Initialise geometry deposition table
cfce8870 812 sEventEnergy.Set(gMC->NofVolumes()+1);
813 sSummEnergy.Set(gMC->NofVolumes()+1);
814 sSum2Energy.Set(gMC->NofVolumes()+1);
fe4da5cc 815
816 //Create the color table
cfce8870 817 gMC->SetColors();
fe4da5cc 818
819 //Compute cross-sections
cfce8870 820 gMC->Gphysi();
fe4da5cc 821
822 //Write Geometry object to current file.
823 fGeometry->Write();
824
825 fInitDone = kTRUE;
826}
827
828//_____________________________________________________________________________
829void AliRun::MediaTable()
830{
831 //
832 // Built media table to get from the media number to
833 // the detector id
834 //
ad51aeb0 835 Int_t kz, nz, idt, lz, i, k, ind;
836 // Int_t ibeg;
fe4da5cc 837 TObjArray &dets = *gAlice->Detectors();
8494b010 838 AliModule *det;
fe4da5cc 839 //
840 // For all detectors
841 for (kz=0;kz<fNdets;kz++) {
842 // If detector is defined
8494b010 843 if((det=(AliModule*) dets[kz])) {
ad51aeb0 844 TArrayI &idtmed = *(det->GetIdtmed());
845 for(nz=0;nz<100;nz++) {
fe4da5cc 846 // Find max and min material number
ad51aeb0 847 if((idt=idtmed[nz])) {
fe4da5cc 848 det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt;
849 det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt;
850 }
851 }
852 if(det->LoMedium() > det->HiMedium()) {
853 det->LoMedium() = 0;
854 det->HiMedium() = 0;
855 } else {
856 if(det->HiMedium() > fImedia->GetSize()) {
ad51aeb0 857 Error("MediaTable","Increase fImedia from %d to %d",
858 fImedia->GetSize(),det->HiMedium());
fe4da5cc 859 return;
860 }
861 // Tag all materials in rage as belonging to detector kz
862 for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) {
863 (*fImedia)[lz]=kz;
864 }
865 }
866 }
867 }
868 //
869 // Print summary table
870 printf(" Traking media ranges:\n");
871 for(i=0;i<(fNdets-1)/6+1;i++) {
872 for(k=0;k< (6<fNdets-i*6?6:fNdets-i*6);k++) {
873 ind=i*6+k;
8494b010 874 det=(AliModule*)dets[ind];
fe4da5cc 875 if(det)
876 printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(),
877 det->HiMedium());
878 else
879 printf(" %6s: %3d -> %3d;","NULL",0,0);
880 }
881 printf("\n");
882 }
883}
884
885//____________________________________________________________________________
886void AliRun::SetGenerator(AliGenerator *generator)
887{
888 //
889 // Load the event generator
890 //
891 if(!fGenerator) fGenerator = generator;
892}
893
894//____________________________________________________________________________
895void AliRun::SetTransPar(char* filename)
896{
897 //
898 // Read filename to set the transport parameters
899 //
900
fe4da5cc 901
902 const Int_t ncuts=10;
903 const Int_t nflags=11;
904 const Int_t npars=ncuts+nflags;
905 const char pars[npars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO",
906 "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI",
907 "BREM","COMP","DCAY","DRAY","HADR","LOSS",
908 "MULS","PAIR","PHOT","RAYL"};
909 char line[256];
ad51aeb0 910 char detName[7];
fe4da5cc 911 char* filtmp;
912 Float_t cut[ncuts];
913 Int_t flag[nflags];
914 Int_t i, itmed, iret, ktmed, kz;
915 FILE *lun;
916 //
917 // See whether the file is there
918 filtmp=gSystem->ExpandPathName(filename);
919 lun=fopen(filtmp,"r");
920 delete [] filtmp;
921 if(!lun) {
ad51aeb0 922 Warning("SetTransPar","File %s does not exist!\n",filename);
fe4da5cc 923 return;
924 }
925 //
926 printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n");
927 printf(" *%59s\n","*");
928 printf(" * Please check carefully what you are doing!%10s\n","*");
929 printf(" *%59s\n","*");
930 //
931 while(1) {
932 // Initialise cuts and flags
933 for(i=0;i<ncuts;i++) cut[i]=-99;
934 for(i=0;i<nflags;i++) flag[i]=-99;
935 itmed=0;
936 for(i=0;i<256;i++) line[i]='\0';
937 // Read up to the end of line excluded
938 iret=fscanf(lun,"%[^\n]",line);
939 if(iret<0) {
940 //End of file
941 fclose(lun);
942 printf(" *%59s\n","*");
943 printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n");
944 return;
945 }
946 // Read the end of line
947 fscanf(lun,"%*c");
948 if(!iret) continue;
949 if(line[0]=='*') continue;
950 // Read the numbers
ad51aeb0 951 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",
952 detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8],
953 &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7],
954 &flag[8],&flag[9],&flag[10]);
fe4da5cc 955 if(!iret) continue;
956 if(iret<0) {
957 //reading error
ad51aeb0 958 Warning("SetTransPar","Error reading file %s\n",filename);
fe4da5cc 959 continue;
960 }
ad51aeb0 961 // Check that the module exist
962 AliModule *mod = GetModule(detName);
963 if(mod) {
964 // Get the array of media numbers
965 TArrayI &idtmed = *mod->GetIdtmed();
966 // Check that the tracking medium code is valid
967 if(0<=itmed && itmed < 100) {
968 ktmed=idtmed[itmed];
969 if(!ktmed) {
970 Warning("SetTransPar","Invalid tracking medium code %d for %s\n",itmed,mod->GetName());
971 continue;
fe4da5cc 972 }
ad51aeb0 973 // Set energy thresholds
974 for(kz=0;kz<ncuts;kz++) {
975 if(cut[kz]>=0) {
23370b7a 976 printf(" * %-6s set to %10.3E for tracking medium code %4d for %s\n",
ad51aeb0 977 pars[kz],cut[kz],itmed,mod->GetName());
cfce8870 978 gMC->Gstpar(ktmed,pars[kz],cut[kz]);
ad51aeb0 979 }
fe4da5cc 980 }
ad51aeb0 981 // Set transport mechanisms
982 for(kz=0;kz<nflags;kz++) {
983 if(flag[kz]>=0) {
984 printf(" * %-6s set to %10d for tracking medium code %4d for %s\n",
985 pars[ncuts+kz],flag[kz],itmed,mod->GetName());
cfce8870 986 gMC->Gstpar(ktmed,pars[ncuts+kz],Float_t(flag[kz]));
ad51aeb0 987 }
988 }
989 } else {
990 Warning("SetTransPar","Invalid medium code %d *\n",itmed);
991 continue;
fe4da5cc 992 }
993 } else {
ad51aeb0 994 Warning("SetTransPar","Module %s not present\n",detName);
fe4da5cc 995 continue;
996 }
997 }
998}
999
1000//_____________________________________________________________________________
1001void AliRun::MakeTree(Option_t *option)
1002{
1003 //
1004 // Create the ROOT trees
1005 // Loop on all detectors to create the Root branch (if any)
1006 //
1007
1008 //
1009 // Analyse options
1010 char *K = strstr(option,"K");
1011 char *H = strstr(option,"H");
1012 char *E = strstr(option,"E");
1013 char *D = strstr(option,"D");
1014 char *R = strstr(option,"R");
1015 //
59fe9bd2 1016 if (K && !fTreeK) fTreeK = new TTree("TreeK0","Kinematics");
1017 if (H && !fTreeH) fTreeH = new TTree("TreeH0","Hits");
1018 if (D && !fTreeD) fTreeD = new TTree("TreeD0","Digits");
fe4da5cc 1019 if (E && !fTreeE) fTreeE = new TTree("TE","Header");
59fe9bd2 1020 if (R && !fTreeR) fTreeR = new TTree("TreeR0","Reconstruction");
fe4da5cc 1021 if (fTreeH) fTreeH->SetAutoSave(1000000000); //no autosave
1022 //
1023 // Create a branch for hits/digits for each detector
1024 // Each branch is a TClonesArray. Each data member of the Hits classes
1025 // will be in turn a subbranch of the detector master branch
8494b010 1026 TIter next(fModules);
1027 AliModule *detector;
1028 while((detector = (AliModule*)next())) {
fe4da5cc 1029 if (H || D || R) detector->MakeBranch(option);
1030 }
1031 // Create a branch for particles
1032 if (fTreeK && K) fTreeK->Branch("Particles",&fParticles,4000);
1033
1034 // Create a branch for Header
1035 if (fTreeE && E) fTreeE->Branch("Header","AliHeader",&header,4000);
1036}
1037
1038//_____________________________________________________________________________
1039Int_t AliRun::PurifyKine(Int_t lastSavedTrack, Int_t nofTracks)
1040{
1041 //
1042 // PurifyKine with external parameters
1043 //
1044 fHgwmk = lastSavedTrack;
1045 fNtrack = nofTracks;
1046 PurifyKine();
1047 return fHgwmk;
1048}
1049
1050//_____________________________________________________________________________
1051void AliRun::PurifyKine()
1052{
1053 //
1054 // Compress kinematic tree keeping only flagged particles
1055 // and renaming the particle id's in all the hits
1056 //
1057 TClonesArray &particles = *fParticles;
1058 int nkeep=fHgwmk+1, parent, i;
1578254f 1059 TParticle *part, *partnew, *father;
fe4da5cc 1060 AliHit *OneHit;
1061 int *map = new int[particles.GetEntries()];
1062
1063 // Save in Header total number of tracks before compression
1064 fHeader.SetNtrack(fHeader.GetNtrack()+fNtrack-fHgwmk);
1065
1066 // Preset map, to be removed later
1067 for(i=0; i<fNtrack; i++) {
1068 if(i<=fHgwmk) map[i]=i ; else map[i] = -99 ;}
1069 // Second pass, build map between old and new numbering
1070 for(i=fHgwmk+1; i<fNtrack; i++) {
1578254f 1071 part = (TParticle *)particles.UncheckedAt(i);
fe4da5cc 1072 if(part->TestBit(Keep_Bit)) {
1073
1074 // This particle has to be kept
1075 map[i]=nkeep;
1076 if(i!=nkeep) {
1077
1078 // Old and new are different, have to copy
1578254f 1079 partnew = (TParticle *)particles.UncheckedAt(nkeep);
fe4da5cc 1080 *partnew = *part;
1081 } else partnew = part;
1082
1083 // as the parent is always *before*, it must be already
1084 // in place. This is what we are checking anyway!
1578254f 1085 if((parent=partnew->GetFirstMother())>fHgwmk) {
fe4da5cc 1086 if(map[parent]==-99) printf("map[%d] = -99!\n",parent);
1578254f 1087 partnew->SetFirstMother(map[parent]);
fe4da5cc 1088 }
1089 nkeep++;
1090 }
1091 }
1092 fNtrack=nkeep;
1093
1578254f 1094 // Fix daughters information
fe4da5cc 1095 for (i=fHgwmk+1; i<fNtrack; i++) {
1578254f 1096 part = (TParticle *)particles.UncheckedAt(i);
1097 parent = part->GetFirstMother();
1098 father = (TParticle *)particles.UncheckedAt(parent);
1099 if(father->TestBit(Daughters_Bit)) {
fe4da5cc 1100
1578254f 1101 if(i<father->GetFirstDaughter()) father->SetFirstDaughter(i);
1102 if(i>father->GetLastDaughter()) father->SetLastDaughter(i);
fe4da5cc 1103 } else {
1578254f 1104 // Iitialise daughters info for first pass
1105 father->SetFirstDaughter(i);
1106 father->SetLastDaughter(i);
1107 father->SetBit(Daughters_Bit);
fe4da5cc 1108 }
1109 }
1110
1111 // Now loop on all detectors and reset the hits
8494b010 1112 TIter next(fModules);
1113 AliModule *detector;
1114 while((detector = (AliModule*)next())) {
fe4da5cc 1115 if (!detector->Hits()) continue;
1116 TClonesArray &vHits=*(detector->Hits());
1117 if(vHits.GetEntries() != detector->GetNhits())
1118 printf("vHits.GetEntries()!=detector->GetNhits(): %d != %d\n",
1119 vHits.GetEntries(),detector->GetNhits());
1120 for (i=0; i<detector->GetNhits(); i++) {
1121 OneHit = (AliHit *)vHits.UncheckedAt(i);
1122 OneHit->SetTrack(map[OneHit->GetTrack()]);
1123 }
1124 }
1125
1126 fHgwmk=nkeep-1;
1127 particles.SetLast(fHgwmk);
1128 delete [] map;
1129}
1130
1131//_____________________________________________________________________________
1132void AliRun::Reset(Int_t run, Int_t idevent)
1133{
1134 //
1135 // Reset all Detectors & kinematics & trees
1136 //
59fe9bd2 1137 char hname[30];
1138 //
fe4da5cc 1139 ResetStack();
1140 ResetHits();
1141 ResetDigits();
1142
1143 // Initialise event header
1144 fHeader.Reset(run,idevent);
1145
59fe9bd2 1146 if(fTreeK) {
1147 fTreeK->Reset();
1148 sprintf(hname,"TreeK%d",idevent);
1149 fTreeK->SetName(hname);
1150 }
1151 if(fTreeH) {
1152 fTreeH->Reset();
1153 sprintf(hname,"TreeH%d",idevent);
1154 fTreeH->SetName(hname);
1155 }
1156 if(fTreeD) {
1157 fTreeD->Reset();
1158 sprintf(hname,"TreeD%d",idevent);
1159 fTreeD->SetName(hname);
1160 }
1161 if(fTreeR) {
1162 fTreeR->Reset();
1163 sprintf(hname,"TreeR%d",idevent);
1164 fTreeR->SetName(hname);
1165 }
fe4da5cc 1166}
1167
1168//_____________________________________________________________________________
1169void AliRun::ResetDigits()
1170{
1171 //
1172 // Reset all Detectors digits
1173 //
8494b010 1174 TIter next(fModules);
1175 AliModule *detector;
1176 while((detector = (AliModule*)next())) {
fe4da5cc 1177 detector->ResetDigits();
1178 }
1179}
1180
1181//_____________________________________________________________________________
1182void AliRun::ResetHits()
1183{
1184 //
1185 // Reset all Detectors hits
1186 //
8494b010 1187 TIter next(fModules);
1188 AliModule *detector;
1189 while((detector = (AliModule*)next())) {
fe4da5cc 1190 detector->ResetHits();
1191 }
1192}
1193
1194//_____________________________________________________________________________
1195void AliRun::ResetPoints()
1196{
1197 //
1198 // Reset all Detectors points
1199 //
8494b010 1200 TIter next(fModules);
1201 AliModule *detector;
1202 while((detector = (AliModule*)next())) {
fe4da5cc 1203 detector->ResetPoints();
1204 }
1205}
1206
1207//_____________________________________________________________________________
1208void AliRun::Run(Int_t nevent, const char *setup)
1209{
1210 //
1211 // Main function to be called to process a galice run
1212 // example
1213 // Root > gAlice.Run();
1214 // a positive number of events will cause the finish routine
1215 // to be called
1216 //
1217
1218 Int_t i, todo;
1219 // check if initialisation has been done
1220 if (!fInitDone) Init(setup);
1221
fe4da5cc 1222 // Create the Root Tree with one branch per detector
1223 if(!fEvent) {
1224 gAlice->MakeTree("KHDER");
1225 }
1226
1227 todo = TMath::Abs(nevent);
1228 for (i=0; i<todo; i++) {
1229 // Process one run (one run = one event)
1230 gAlice->Reset(fRun, fEvent);
cfce8870 1231 gMC->Gtrigi();
1232 gMC->Gtrigc();
1233 gMC->Gtrig();
fe4da5cc 1234 gAlice->FinishEvent();
1235 fEvent++;
1236 }
1237
1238 // End of this run, close files
1239 if(nevent>0) gAlice->FinishRun();
1240}
1241
1242//_____________________________________________________________________________
1243void AliRun::RunLego(const char *setup,Int_t ntheta,Float_t themin,
1244 Float_t themax,Int_t nphi,Float_t phimin,Float_t phimax,
1245 Float_t rmin,Float_t rmax,Float_t zmax)
1246{
1247 //
1248 // Generates lego plots of:
1249 // - radiation length map phi vs theta
1250 // - radiation length map phi vs eta
1251 // - interaction length map
1252 // - g/cm2 length map
1253 //
1254 // ntheta bins in theta, eta
1255 // themin minimum angle in theta (degrees)
1256 // themax maximum angle in theta (degrees)
1257 // nphi bins in phi
1258 // phimin minimum angle in phi (degrees)
1259 // phimax maximum angle in phi (degrees)
1260 // rmin minimum radius
1261 // rmax maximum radius
1262 //
1263 //
1264 // The number of events generated = ntheta*nphi
1265 // run input parameters in macro setup (default="Config.C")
1266 //
1267 // Use macro "lego.C" to visualize the 3 lego plots in spherical coordinates
1268 //Begin_Html
1269 /*
1439f98e 1270 <img src="picts/AliRunLego1.gif">
fe4da5cc 1271 */
1272 //End_Html
1273 //Begin_Html
1274 /*
1439f98e 1275 <img src="picts/AliRunLego2.gif">
fe4da5cc 1276 */
1277 //End_Html
1278 //Begin_Html
1279 /*
1439f98e 1280 <img src="picts/AliRunLego3.gif">
fe4da5cc 1281 */
1282 //End_Html
1283 //
1284
1285 // check if initialisation has been done
1286 if (!fInitDone) Init(setup);
1287
1288 fLego = new AliLego("lego","lego");
1289 fLego->Init(ntheta,themin,themax,nphi,phimin,phimax,rmin,rmax,zmax);
1290 fLego->Run();
1291
1292 // Create only the Root event Tree
1293 gAlice->MakeTree("E");
1294
1295 // End of this run, close files
1296 gAlice->FinishRun();
1297}
1298
1299//_____________________________________________________________________________
1300void AliRun::SetCurrentTrack(Int_t track)
1301{
1302 //
1303 // Set current track number
1304 //
1305 fCurrent = track;
1306}
1307
1308//_____________________________________________________________________________
1578254f 1309void AliRun::SetTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom,
fe4da5cc 1310 Float_t *vpos, Float_t *polar, Float_t tof,
1311 const char *mecha, Int_t &ntr, Float_t weight)
1312{
1313 //
1314 // Load a track on the stack
1315 //
1316 // done 0 if the track has to be transported
1317 // 1 if not
1318 // parent identifier of the parent track. -1 for a primary
1578254f 1319 // pdg particle code
fe4da5cc 1320 // pmom momentum GeV/c
1321 // vpos position
1322 // polar polarisation
1323 // tof time of flight in seconds
1324 // mecha production mechanism
1325 // ntr on output the number of the track stored
1326 //
1327 TClonesArray &particles = *fParticles;
1578254f 1328 TParticle *particle;
fe4da5cc 1329 Float_t mass;
1578254f 1330 const Int_t firstdaughter=-1;
1331 const Int_t lastdaughter=-1;
fe4da5cc 1332 const Int_t KS=0;
1578254f 1333 // const Float_t tlife=0;
fe4da5cc 1334
1578254f 1335 //
1336 // Here we get the static mass
1337 // For MC is ok, but a more sophisticated method could be necessary
1338 // if the calculated mass is required
1339 // also, this method is potentially dangerous if the mass
1340 // used in the MC is not the same of the PDG database
1341 //
1342 mass = TDatabasePDG::Instance()->GetParticle(pdg)->Mass();
fe4da5cc 1343 Float_t e=TMath::Sqrt(mass*mass+pmom[0]*pmom[0]+
1344 pmom[1]*pmom[1]+pmom[2]*pmom[2]);
1345
1346 //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 1347 //pname,mass,e,fNtrack,pdg,vpos[0],vpos[1],vpos[2],pmom[0],pmom[1],pmom[2],KS,mecha);
fe4da5cc 1348
1578254f 1349 particle=new(particles[fNtrack]) TParticle(pdg,KS,parent,-1,firstdaughter,
1350 lastdaughter,pmom[0],pmom[1],pmom[2],
1351 e,vpos[0],vpos[1],vpos[2],tof);
1352 // polar[0],polar[1],polar[2],tof,
1353 // mecha,weight);
1354 ((TParticle*)particles[fNtrack])->SetPolarisation(TVector3(polar[0],polar[1],polar[2]));
1355 ((TParticle*)particles[fNtrack])->SetWeight(weight);
fe4da5cc 1356 if(!done) particle->SetBit(Done_Bit);
1357
1358 if(parent>=0) {
1578254f 1359 particle=(TParticle*) fParticles->UncheckedAt(parent);
1360 particle->SetLastDaughter(fNtrack);
1361 if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack);
fe4da5cc 1362 } else {
1363 //
1364 // This is a primary track. Set high water mark for this event
1365 fHgwmk=fNtrack;
1366 //
1367 // Set also number if primary tracks
1368 fHeader.SetNprimary(fHgwmk+1);
1369 fHeader.SetNtrack(fHgwmk+1);
1370 }
1371 ntr = fNtrack++;
1372}
1373
1374//_____________________________________________________________________________
1375void AliRun::KeepTrack(const Int_t track)
1376{
1377 //
1378 // flags a track to be kept
1379 //
1380 TClonesArray &particles = *fParticles;
1578254f 1381 ((TParticle*)particles[track])->SetBit(Keep_Bit);
fe4da5cc 1382}
1383
1384//_____________________________________________________________________________
1385void AliRun::StepManager(Int_t id) const
1386{
1387 //
1388 // Called at every step during transport
1389 //
1390
fe4da5cc 1391 Int_t copy;
1392 //
1393 // --- If lego option, do it and leave
1394 if (fLego) {
1395 fLego->StepManager();
1396 return;
1397 }
1398 //Update energy deposition tables
0a6d8768 1399 sEventEnergy[gMC->CurrentVolID(copy)]+=gMC->Edep();
fe4da5cc 1400
1401 //Call the appropriate stepping routine;
8494b010 1402 AliModule *det = (AliModule*)fModules->At(id);
fe4da5cc 1403 if(det) det->StepManager();
1404}
1405
1406//_____________________________________________________________________________
6c9704e6 1407void AliRun::ReadEuclid(const char* filnam, const AliModule *det, char* topvol)
fe4da5cc 1408{
1409 //
1410 // read in the geometry of the detector in euclid file format
1411 //
1412 // id_det : the detector identification (2=its,...)
1413 // topvol : return parameter describing the name of the top
1414 // volume of geometry.
1415 //
1416 // author : m. maire
1417 //
1418 // 28.07.98
1419 // several changes have been made by miroslav helbich
1420 // subroutine is rewrited to follow the new established way of memory
1421 // booking for tracking medias and rotation matrices.
1422 // all used tracking media have to be defined first, for this you can use
1423 // subroutine greutmed.
1424 // top volume is searched as only volume not positioned into another
1425 //
1426
fe4da5cc 1427 Int_t i, nvol, iret, itmed, irot, numed, npar, ndiv, iaxe;
1428 Int_t ndvmx, nr, flag;
1429 char key[5], card[77], natmed[21];
1430 char name[5], mother[5], shape[5], konly[5], volst[7000][5];
1431 char *filtmp;
1432 Float_t par[50];
1433 Float_t teta1, phi1, teta2, phi2, teta3, phi3, orig, step;
1434 Float_t xo, yo, zo;
1435 Int_t idrot[5000],istop[7000];
1436 FILE *lun;
fe4da5cc 1437 //
1438 // *** The input filnam name will be with extension '.euc'
1439 filtmp=gSystem->ExpandPathName(filnam);
1440 lun=fopen(filtmp,"r");
1441 delete [] filtmp;
1442 if(!lun) {
07a68c1d 1443 Error("ReadEuclid","Could not open file %s\n",filnam);
fe4da5cc 1444 return;
1445 }
ad51aeb0 1446 //* --- definition of rotation matrix 0 ---
1447 TArrayI &idtmed = *(det->GetIdtmed());
fe4da5cc 1448 idrot[0]=0;
1449 nvol=0;
1450 L10:
1451 for(i=0;i<77;i++) card[i]=0;
1452 iret=fscanf(lun,"%77[^\n]",card);
1453 if(iret<=0) goto L20;
1454 fscanf(lun,"%*c");
1455 //*
1456 strncpy(key,card,4);
1457 key[4]='\0';
1458 if (!strcmp(key,"TMED")) {
1459 sscanf(&card[5],"%d '%[^']'",&itmed,natmed);
1460 //Pad the string with blanks
1461 i=-1;
1462 while(natmed[++i]);
1463 while(i<20) natmed[i++]=' ';
1464 natmed[i]='\0';
1465 //
cfce8870 1466 gMC->Gckmat(idtmed[itmed],natmed);
fe4da5cc 1467 //*
1468 } else if (!strcmp(key,"ROTM")) {
1469 sscanf(&card[4],"%d %f %f %f %f %f %f",&irot,&teta1,&phi1,&teta2,&phi2,&teta3,&phi3);
1470 det->AliMatrix(idrot[irot],teta1,phi1,teta2,phi2,teta3,phi3);
1471 //*
1472 } else if (!strcmp(key,"VOLU")) {
1473 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, shape, &numed, &npar);
1474 if (npar>0) {
1475 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
1476 fscanf(lun,"%*c");
1477 }
cfce8870 1478 gMC->Gsvolu( name, shape, idtmed[numed], par, npar);
fe4da5cc 1479 //* save the defined volumes
1480 strcpy(volst[++nvol],name);
1481 istop[nvol]=1;
1482 //*
1483 } else if (!strcmp(key,"DIVN")) {
1484 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, mother, &ndiv, &iaxe);
cfce8870 1485 gMC->Gsdvn ( name, mother, ndiv, iaxe );
fe4da5cc 1486 //*
1487 } else if (!strcmp(key,"DVN2")) {
1488 sscanf(&card[5],"'%[^']' '%[^']' %d %d %f %d",name, mother, &ndiv, &iaxe, &orig, &numed);
cfce8870 1489 gMC->Gsdvn2( name, mother, ndiv, iaxe, orig,idtmed[numed]);
fe4da5cc 1490 //*
1491 } else if (!strcmp(key,"DIVT")) {
1492 sscanf(&card[5],"'%[^']' '%[^']' %f %d %d %d", name, mother, &step, &iaxe, &numed, &ndvmx);
cfce8870 1493 gMC->Gsdvt ( name, mother, step, iaxe, idtmed[numed], ndvmx);
fe4da5cc 1494 //*
1495 } else if (!strcmp(key,"DVT2")) {
1496 sscanf(&card[5],"'%[^']' '%[^']' %f %d %f %d %d", name, mother, &step, &iaxe, &orig, &numed, &ndvmx);
cfce8870 1497 gMC->Gsdvt2 ( name, mother, step, iaxe, orig, idtmed[numed], ndvmx );
fe4da5cc 1498 //*
1499 } else if (!strcmp(key,"POSI")) {
1500 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']'", name, &nr, mother, &xo, &yo, &zo, &irot, konly);
1501 //*** volume name cannot be the top volume
1502 for(i=1;i<=nvol;i++) {
1503 if (!strcmp(volst[i],name)) istop[i]=0;
1504 }
1505 //*
cfce8870 1506 gMC->Gspos ( name, nr, mother, xo, yo, zo, idrot[irot], konly );
fe4da5cc 1507 //*
1508 } else if (!strcmp(key,"POSP")) {
1509 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']' %d", name, &nr, mother, &xo, &yo, &zo, &irot, konly, &npar);
1510 if (npar > 0) {
1511 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
1512 fscanf(lun,"%*c");
1513 }
1514 //*** volume name cannot be the top volume
1515 for(i=1;i<=nvol;i++) {
1516 if (!strcmp(volst[i],name)) istop[i]=0;
1517 }
1518 //*
cfce8870 1519 gMC->Gsposp ( name, nr, mother, xo,yo,zo, idrot[irot], konly, par, npar);
fe4da5cc 1520 }
1521 //*
1522 if (strcmp(key,"END")) goto L10;
1523 //* find top volume in the geometry
1524 flag=0;
1525 for(i=1;i<=nvol;i++) {
1526 if (istop[i] && flag) {
07a68c1d 1527 Warning("ReadEuclid"," %s is another possible top volume\n",volst[i]);
fe4da5cc 1528 }
1529 if (istop[i] && !flag) {
dda5e866 1530 strcpy(topvol,volst[i]);
fe4da5cc 1531 printf(" *** GREUCL *** volume %s taken as a top volume\n",topvol);
1532 flag=1;
1533 }
1534 }
1535 if (!flag) {
07a68c1d 1536 Warning("ReadEuclid","top volume not found\n");
fe4da5cc 1537 }
1538 fclose (lun);
1539 //*
1540 //* commented out only for the not cernlib version
1541 printf(" *** GREUCL *** file: %s is now read in\n",filnam);
1542 //
1543 return;
1544 //*
1545 L20:
07a68c1d 1546 Error("ReadEuclid","reading error or premature end of file\n");
fe4da5cc 1547}
1548
1549//_____________________________________________________________________________
23370b7a 1550void AliRun::ReadEuclidMedia(const char* filnam, const AliModule *det)
fe4da5cc 1551{
1552 //
1553 // read in the materials and tracking media for the detector
1554 // in euclid file format
1555 //
1556 // filnam: name of the input file
1557 // id_det: id_det is the detector identification (2=its,...)
1558 //
1559 // author : miroslav helbich
1560 //
1561 Float_t sxmgmx = gAlice->Field()->Max();
1562 Int_t isxfld = gAlice->Field()->Integ();
1563 Int_t end, i, iret, itmed;
1564 char key[5], card[130], natmed[21], namate[21];
1565 Float_t ubuf[50];
1566 char* filtmp;
1567 FILE *lun;
1568 Int_t imate;
1569 Int_t nwbuf, isvol, ifield, nmat;
1570 Float_t a, z, dens, radl, absl, fieldm, tmaxfd, stemax, deemax, epsil, stmin;
23370b7a 1571 //
fe4da5cc 1572 end=strlen(filnam);
1573 for(i=0;i<end;i++) if(filnam[i]=='.') {
1574 end=i;
1575 break;
1576 }
1577 //
1578 // *** The input filnam name will be with extension '.euc'
1579 printf("The file name is %s\n",filnam); //Debug
1580 filtmp=gSystem->ExpandPathName(filnam);
1581 lun=fopen(filtmp,"r");
1582 delete [] filtmp;
1583 if(!lun) {
23370b7a 1584 Warning("ReadEuclidMedia","Could not open file %s\n",filnam);
fe4da5cc 1585 return;
1586 }
1587 //
1588 // Retrieve Mag Field parameters
1589 Int_t ISXFLD=gAlice->Field()->Integ();
1590 Float_t SXMGMX=gAlice->Field()->Max();
23370b7a 1591 // TArrayI &idtmed = *(det->GetIdtmed());
fe4da5cc 1592 //
1593 L10:
1594 for(i=0;i<130;i++) card[i]=0;
1595 iret=fscanf(lun,"%4s %[^\n]",key,card);
1596 if(iret<=0) goto L20;
1597 fscanf(lun,"%*c");
1598 //*
1599 //* read material
1600 if (!strcmp(key,"MATE")) {
1601 sscanf(card,"%d '%[^']' %f %f %f %f %f %d",&imate,namate,&a,&z,&dens,&radl,&absl,&nwbuf);
1602 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
1603 //Pad the string with blanks
1604 i=-1;
1605 while(namate[++i]);
1606 while(i<20) namate[i++]=' ';
1607 namate[i]='\0';
1608 //
1609 det->AliMaterial(imate,namate,a,z,dens,radl,absl,ubuf,nwbuf);
1610 //* read tracking medium
1611 } else if (!strcmp(key,"TMED")) {
1612 sscanf(card,"%d '%[^']' %d %d %d %f %f %f %f %f %f %d",
1613 &itmed,natmed,&nmat,&isvol,&ifield,&fieldm,&tmaxfd,
1614 &stemax,&deemax,&epsil,&stmin,&nwbuf);
1615 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
1616 if (ifield<0) ifield=isxfld;
1617 if (fieldm<0) fieldm=sxmgmx;
1618 //Pad the string with blanks
1619 i=-1;
1620 while(natmed[++i]);
1621 while(i<20) natmed[i++]=' ';
1622 natmed[i]='\0';
1623 //
ad51aeb0 1624 det->AliMedium(itmed,natmed,nmat,isvol,ISXFLD,SXMGMX,tmaxfd,
fe4da5cc 1625 stemax,deemax,epsil,stmin,ubuf,nwbuf);
23370b7a 1626 // (*fImedia)[idtmed[itmed]-1]=id_det;
fe4da5cc 1627 //*
1628 }
1629 //*
1630 if (strcmp(key,"END")) goto L10;
1631 fclose (lun);
1632 //*
1633 //* commented out only for the not cernlib version
23370b7a 1634 Warning("ReadEuclidMedia","file: %s is now read in\n",filnam);
fe4da5cc 1635 //*
1636 return;
1637 //*
1638 L20:
23370b7a 1639 Warning("ReadEuclidMedia","reading error or premature end of file\n");
fe4da5cc 1640}
1641
1642//_____________________________________________________________________________
1643void AliRun::Streamer(TBuffer &R__b)
1644{
1645 //
1646 // Stream an object of class AliRun.
1647 //
1648 if (R__b.IsReading()) {
1649 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
1650 TNamed::Streamer(R__b);
1651 if (!gAlice) gAlice = this;
1652 gROOT->GetListOfBrowsables()->Add(this,"Run");
59fe9bd2 1653 fTreeE = (TTree*)gDirectory->Get("TE");
1654 if (fTreeE) fTreeE->SetBranchAddress("Header", &header);
1655 else Error("Streamer","cannot find Header Tree\n");
fe4da5cc 1656 R__b >> fNtrack;
1657 R__b >> fHgwmk;
1658 R__b >> fDebug;
1659 fHeader.Streamer(R__b);
8494b010 1660 R__b >> fModules;
fe4da5cc 1661 R__b >> fParticles;
1662 R__b >> fField;
1663 // R__b >> fMC;
1664 R__b >> fNdets;
1665 R__b >> fTrRmax;
1666 R__b >> fTrZmax;
1667 R__b >> fGenerator;
59fe9bd2 1668 if(R__v>1) {
1669 R__b >> fPDGDB; //Particle factory object!
1670 fTreeE->GetEntry(0);
1671 } else {
1672 fHeader.SetEvent(0);
1673 fPDGDB = TDatabasePDG::Instance(); //Particle factory object!
1674 }
fe4da5cc 1675 } else {
1676 R__b.WriteVersion(AliRun::IsA());
1677 TNamed::Streamer(R__b);
1678 R__b << fNtrack;
1679 R__b << fHgwmk;
1680 R__b << fDebug;
1681 fHeader.Streamer(R__b);
8494b010 1682 R__b << fModules;
fe4da5cc 1683 R__b << fParticles;
1684 R__b << fField;
1685 // R__b << fMC;
1686 R__b << fNdets;
1687 R__b << fTrRmax;
1688 R__b << fTrZmax;
1689 R__b << fGenerator;
1578254f 1690 R__b << fPDGDB; //Particle factory object!
fe4da5cc 1691 }
1692}
1693
1694
1695//_____________________________________________________________________________
1696//
1697// Interfaces to Fortran
1698//
1699//_____________________________________________________________________________
1700
1701extern "C" void type_of_call rxgtrak (Int_t &mtrack, Int_t &ipart, Float_t *pmom,
ad265d61 1702 Float_t &e, Float_t *vpos, Float_t *polar,
1703 Float_t &tof)
fe4da5cc 1704{
1705 //
1706 // Fetches next track from the ROOT stack for transport. Called by the
1707 // modified version of GTREVE.
1708 //
1709 // Track number in the ROOT stack. If MTRACK=0 no
1710 // mtrack more tracks are left in the stack to be
1711 // transported.
1712 // ipart Particle code in the GEANT conventions.
1713 // pmom[3] Particle momentum in GeV/c
1714 // e Particle energy in GeV
1715 // vpos[3] Particle position
1716 // tof Particle time of flight in seconds
1717 //
1578254f 1718 Int_t pdg;
1719 gAlice->GetNextTrack(mtrack, pdg, pmom, e, vpos, polar, tof);
1720 ipart = gMC->IdFromPDG(pdg);
fe4da5cc 1721 mtrack++;
1722}
1723
1724//_____________________________________________________________________________
1725extern "C" void type_of_call
1726#ifndef WIN32
1727rxstrak (Int_t &keep, Int_t &parent, Int_t &ipart, Float_t *pmom,
1728 Float_t *vpos, Float_t &tof, const char* cmech, Int_t &ntr, const int cmlen)
1729#else
1730rxstrak (Int_t &keep, Int_t &parent, Int_t &ipart, Float_t *pmom,
1731 Float_t *vpos, Float_t &tof, const char* cmech, const int cmlen,
1732 Int_t &ntr)
1733#endif
1734{
1735 //
1736 // Fetches next track from the ROOT stack for transport. Called by GUKINE
1737 // and GUSTEP.
1738 //
1739 // Status of the track. If keep=0 the track is put
1740 // keep on the ROOT stack but it is not fetched for
1741 // transport.
1742 // parent Parent track. If parent=0 the track is a primary.
1743 // In GUSTEP the routine is normally called to store
1744 // secondaries generated by the current track whose
1745 // ROOT stack number is MTRACK (common SCKINE.
1746 // ipart Particle code in the GEANT conventions.
1747 // pmom[3] Particle momentum in GeV/c
1748 // vpos[3] Particle position
1749 // tof Particle time of flight in seconds
1750 //
1751 // cmech (CHARACTER*10) Particle origin. This field is user
1752 // defined and it is not used inside the GALICE code.
1753 // ntr Number assigned to the particle in the ROOT stack.
1754 //
1755 char mecha[11];
1756 Float_t polar[3]={0.,0.,0.};
1757 for(int i=0; i<10 && i<cmlen; i++) mecha[i]=cmech[i];
1758 mecha[10]=0;
1578254f 1759 Int_t pdg=gMC->PDGFromId(ipart);
1760 gAlice->SetTrack(keep, parent-1, pdg, pmom, vpos, polar, tof, mecha, ntr);
fe4da5cc 1761 ntr++;
1762}
1763
1764//_____________________________________________________________________________
1765extern "C" void type_of_call rxkeep(const Int_t &n)
1766{
1767 if( NULL==gAlice ) exit(1);
1768
1769 if( n<=0 || n>gAlice->Particles()->GetEntries() )
1770 {
1771 printf(" Bad index n=%d must be 0<n<=%d\n",
1772 n,gAlice->Particles()->GetEntries());
1773 exit(1);
1774 }
1775
1578254f 1776 ((TParticle*)(gAlice->Particles()->UncheckedAt(n-1)))->SetBit(Keep_Bit);
fe4da5cc 1777}
1778
1779//_____________________________________________________________________________
1780extern "C" void type_of_call rxouth ()
1781{
1782 //
1783 // Called by Gtreve at the end of each primary track
1784 //
1785 gAlice->FinishPrimary();
1786}
1787