1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // Transition Radiation Detector //
21 // This class contains the basic functions for the Transition Radiation //
24 ///////////////////////////////////////////////////////////////////////////////
27 #include <Riostream.h>
29 #include <TClonesArray.h>
31 #include <TGeometry.h>
32 #include <TLorentzVector.h>
36 #include <TParticle.h>
39 #include <TVirtualMC.h>
43 #include "AliLoader.h"
48 #include "AliTrackReference.h"
49 #include "AliRawReader.h"
52 #include "AliTRDdigit.h"
53 #include "AliTRDdigitizer.h"
54 #include "AliTRDdigitsManager.h"
55 #include "AliTRDgeometry.h"
56 #include "AliTRDhit.h"
57 #include "AliTRDpoints.h"
58 #include "AliTRDrawData.h"
59 #include "AliTRDSimParam.h"
60 #include "AliTRDRecParam.h"
61 #include "AliTRDCommonParam.h"
62 #include "AliTRDcalibDB.h"
66 //_____________________________________________________________________________
76 // Default constructor
81 //_____________________________________________________________________________
82 AliTRD::AliTRD(const char *name, const char *title)
83 :AliDetector(name,title)
91 // Standard constructor for the TRD
94 // Check that FRAME is there otherwise we have no place where to put TRD
95 AliModule *frame = gAlice->GetModule("FRAME");
97 AliError("TRD needs FRAME to be present\n");
101 // Define the TRD geometry
102 if ((frame->IsVersion() == 0) ||
103 (frame->IsVersion() == 1)) {
104 fGeometry = new AliTRDgeometry();
107 AliError("Could not find valid FRAME version\n");
111 // Allocate the hit array
112 fHits = new TClonesArray("AliTRDhit",405);
113 gAlice->GetMCApp()->AddHitList(fHits);
117 //_____________________________________________________________________________
136 //_____________________________________________________________________________
137 void AliTRD::Hits2Digits()
143 AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
144 AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
147 digitizer.InitDetector();
149 if (!fLoader->TreeH()) {
150 fLoader->LoadHits("read");
152 fLoader->LoadDigits("recreate");
154 AliRunLoader *runLoader = fLoader->GetRunLoader();
156 for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
157 runLoader->GetEvent(iEvent);
158 digitizer.Open(runLoader,iEvent);
159 digitizer.MakeDigits();
160 digitizer.WriteDigits();
163 fLoader->UnloadHits();
164 fLoader->UnloadDigits();
168 //_____________________________________________________________________________
169 void AliTRD::Hits2SDigits()
172 // Create summable digits
175 AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
176 // For the summable digits
177 digitizer.SetSDigits(kTRUE);
178 AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
181 digitizer.InitDetector();
183 if (!fLoader->TreeH()) {
184 fLoader->LoadHits("read");
186 fLoader->LoadSDigits("recreate");
188 AliRunLoader *runLoader = fLoader->GetRunLoader();
190 for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
191 runLoader->GetEvent(iEvent);
192 digitizer.Open(runLoader,iEvent);
193 digitizer.MakeDigits();
194 digitizer.WriteDigits();
197 fLoader->UnloadHits();
198 fLoader->UnloadSDigits();
202 //_____________________________________________________________________________
203 AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const
206 // Creates a new digitizer object
209 return new AliTRDdigitizer(manager);
213 //_____________________________________________________________________________
214 void AliTRD::SDigits2Digits()
217 // Create final digits from summable digits
220 // Create the TRD digitizer
221 AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class");
222 AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel());
225 digitizer.SetEvent(gAlice->GetEvNumber());
228 digitizer.InitDetector();
230 // Read the s-digits via digits manager
231 AliTRDdigitsManager sdigitsManager;
233 AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel());
234 sdigitsManager.SetSDigits(kTRUE);
235 sdigitsManager.CreateArrays();
237 if (!fLoader->TreeS()) {
238 if (fLoader->LoadSDigits("read")) {
242 if (!fLoader->TreeS()) {
243 AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber()));
247 sdigitsManager.ReadDigits(fLoader->TreeS());
249 // Add the s-digits to the input list
250 digitizer.AddSDigitsManager(&sdigitsManager);
252 // Convert the s-digits to normal digits
253 digitizer.SDigits2Digits();
256 if (!fLoader->TreeD()) {
257 fLoader->MakeTree("D");
259 if (digitizer.MakeBranch(fLoader->TreeD())){
260 digitizer.WriteDigits();
265 //_____________________________________________________________________________
266 void AliTRD::Digits2Raw()
269 // Convert digits of the current event to raw data
272 fLoader->LoadDigits();
273 TTree *digits = fLoader->TreeD();
275 AliError("No digits tree");
279 AliTRDrawData rawWriter;
280 if (!rawWriter.Digits2Raw(digits)) {
281 AliError("The raw writer could not load the digits tree");
284 fLoader->UnloadDigits();
288 //_____________________________________________________________________________
289 void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q
290 , Float_t time, Bool_t inDrift)
293 // Add a hit for the TRD
296 TClonesArray &lhits = *fHits;
297 AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt
308 hit->SetAmplification();
317 //_____________________________________________________________________________
318 void AliTRD::BuildGeometry()
321 // Create the ROOT TNode geometry for the TRD
328 // The dimensions of the TRD super module
329 const Float_t kRmin = 291.0;
330 const Float_t kRmax = 369.0;
331 const Float_t kZmax1 = 378.35;
332 const Float_t kZmax2 = 302.0;
341 const Int_t kColorTRD = 46;
343 // Find the top node alice
344 top = gAlice->GetGeometry()->GetNode("alice");
346 if (fDisplayType == 0) {
348 pgon = new TPGON("S_TRD","TRD","void",0,360,AliTRDgeometry::Nsect(),4);
351 pgon->DefineSection(0,-kZmax1,rmax,rmax);
352 pgon->DefineSection(1,-kZmax2,rmin,rmax);
353 pgon->DefineSection(2, kZmax2,rmin,rmax);
354 pgon->DefineSection(3, kZmax1,rmax,rmax);
356 node = new TNode("TRD","TRD","S_TRD",0,0,0,"");
357 node->SetLineColor(kColorTRD);
361 else if (fDisplayType == 1) {
365 Float_t slope = (kZmax1 - kZmax2) / (kRmax - kRmin);
367 rmin = kRmin + AliTRDgeometry::CraHght();
368 rmax = rmin + AliTRDgeometry::CdrHght();
370 Float_t thickness = rmin - kRmin;
371 zmax2 = kZmax2 + slope * thickness;
372 zmax1 = zmax2 + slope * AliTRDgeometry::DrThick();
374 for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) {
376 sprintf(name,"S_TR1%d",iPlan);
377 pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4);
378 pgon->DefineSection(0,-zmax1,rmax,rmax);
379 pgon->DefineSection(1,-zmax2,rmin,rmax);
380 pgon->DefineSection(2, zmax2,rmin,rmax);
381 pgon->DefineSection(3, zmax1,rmax,rmax);
383 node = new TNode("TRD","TRD",name,0,0,0,"");
384 node->SetLineColor(kColorTRD);
387 Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace();
388 rmin = rmin + height;
389 rmax = rmax + height;
390 zmax1 = zmax1 + slope * height;
391 zmax2 = zmax2 + slope * height;
395 thickness += AliTRDgeometry::DrThick();
396 rmin = kRmin + thickness;
397 rmax = rmin + AliTRDgeometry::AmThick();
398 zmax2 = kZmax2 + slope * thickness;
399 zmax1 = zmax2 + slope * AliTRDgeometry::AmThick();
401 for (iPlan = 0; iPlan < AliTRDgeometry::Nplan(); iPlan++) {
403 sprintf(name,"S_TR2%d",iPlan);
404 pgon = new TPGON(name,"TRD","void",0,360,AliTRDgeometry::Nsect(),4);
405 pgon->DefineSection(0,-zmax1,rmax,rmax);
406 pgon->DefineSection(1,-zmax2,rmin,rmax);
407 pgon->DefineSection(2, zmax2,rmin,rmax);
408 pgon->DefineSection(3, zmax1,rmax,rmax);
410 node = new TNode("TRD","TRD",name,0,0,0,"");
411 node->SetLineColor(kColorTRD);
414 Float_t height = AliTRDgeometry::Cheight() + AliTRDgeometry::Cspace();
415 rmin = rmin + height;
416 rmax = rmax + height;
417 zmax1 = zmax1 + slope * height;
418 zmax2 = zmax2 + slope * height;
426 //_____________________________________________________________________________
427 void AliTRD::CreateGeometry()
430 // Creates the volumes for the TRD chambers
433 // Check that FRAME is there otherwise we have no place where to put the TRD
434 AliModule *frame = gAlice->GetModule("FRAME");
436 AliFatal("The TRD needs the FRAME to be defined first");
439 fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299);
443 //_____________________________________________________________________________
444 void AliTRD::CreateMaterials()
447 // Create the materials for the TRD
450 Int_t isxfld = gAlice->Field()->Integ();
451 Float_t sxmgmx = gAlice->Field()->Max();
453 // For polyethilene (CH2)
454 Float_t ape[2] = { 12.011 , 1.0079 };
455 Float_t zpe[2] = { 6.0 , 1.0 };
456 Float_t wpe[2] = { 1.0 , 2.0 };
460 Float_t aco[2] = { 12.011 , 15.9994 };
461 Float_t zco[2] = { 6.0 , 8.0 };
462 Float_t wco[2] = { 1.0 , 2.0 };
463 Float_t dco = 0.00186;
466 Float_t awa[2] = { 1.0079, 15.9994 };
467 Float_t zwa[2] = { 1.0 , 8.0 };
468 Float_t wwa[2] = { 2.0 , 1.0 };
471 // For isobutane (C4H10)
472 Float_t ais[2] = { 12.011 , 1.0079 };
473 Float_t zis[2] = { 6.0 , 1.0 };
474 Float_t wis[2] = { 4.0 , 10.0 };
475 Float_t dis = 0.00267;
477 // For plexiglas (C5H8O2)
478 Float_t apg[3] = { 12.011 , 1.0079, 15.9994 };
479 Float_t zpg[3] = { 6.0 , 1.0 , 8.0 };
480 Float_t wpg[3] = { 5.0 , 8.0 , 2.0 };
483 // For epoxy (C18H19O3)
484 Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 };
485 Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 };
486 Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 };
487 Float_t dEpoxy = 1.8 ;
489 // For Araldite, low density epoxy (C18H19O3)
490 Float_t aAral[3] = { 15.9994, 1.0079, 12.011 };
491 Float_t zAral[3] = { 8.0 , 1.0 , 6.0 };
492 Float_t wAral[3] = { 3.0 , 19.0 , 18.0 };
493 Float_t dAral = 1.05;
496 Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 };
497 Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 };
498 Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 };
499 Float_t dAir = 1.20479e-03;
502 Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 };
503 Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 };
504 Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 };
507 // For Xe/CO2-gas-mixture
508 Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 };
509 Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 };
510 Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 };
511 // Xe-content of the Xe/CO2-mixture (85% / 15%)
513 Float_t dxe = 0.00549;
514 Float_t dgm = fxc * dxe + (1.0 - fxc) * dco;
516 // General tracking parameter
517 Float_t tmaxfd = -10.0;
518 Float_t stemax = -1.0e10;
519 Float_t deemax = -0.1;
520 Float_t epsil = 1.0e-4;
521 Float_t stmin = -0.001;
523 //////////////////////////////////////////////////////////////////////////
525 //////////////////////////////////////////////////////////////////////////
527 AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2);
528 AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0);
529 AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8);
530 AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4);
531 AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8);
532 AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2);
533 AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8);
536 AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir );
537 AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe );
538 AliMixture(8, "CO2", aco, zco, dco, -2, wco );
539 AliMixture(9, "Isobutane", ais, zis, dis, -2, wis );
540 AliMixture(10,"Gas mixture", aXeCO2, zXeCO2, dgm, -3, wXeCO2);
541 AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 );
542 AliMixture(13,"Water", awa, zwa, dwa, -2, wwa );
543 AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg );
544 AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy);
545 AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral );
547 //////////////////////////////////////////////////////////////////////////
548 // Tracking Media Parameters
549 //////////////////////////////////////////////////////////////////////////
552 AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx
553 ,tmaxfd,stemax,deemax,epsil,stmin);
555 AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx
556 ,tmaxfd,stemax,deemax,epsil,stmin);
558 AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx
559 ,tmaxfd,stemax,deemax,epsil,stmin);
560 // All other ROB materials (caps, etc.)
561 AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx
562 ,tmaxfd,stemax,deemax,epsil,stmin);
564 AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx
565 ,tmaxfd,stemax,deemax,epsil,stmin);
567 AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx
568 ,tmaxfd,stemax,deemax,epsil,stmin);
570 AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx
571 ,tmaxfd,stemax,deemax,epsil,stmin);
572 // INOX of cooling bus bars
573 AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx
574 ,tmaxfd,stemax,deemax,epsil,stmin);
575 // Gas-mixture (Xe/CO2)
576 AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx
577 ,tmaxfd,stemax,deemax,epsil,stmin);
579 AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx
580 ,tmaxfd,stemax,deemax,epsil,stmin);
582 AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx
583 ,tmaxfd,stemax,deemax,epsil,stmin);
585 AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx
586 ,tmaxfd,stemax,deemax,epsil,stmin);
588 AliMedium(14,"Water" ,13,0,isxfld,sxmgmx
589 ,tmaxfd,stemax,deemax,epsil,stmin);
590 // Rohacell (plexiglas) for the radiator
591 AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx
592 ,tmaxfd,stemax,deemax,epsil,stmin);
594 AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx
595 ,tmaxfd,stemax,deemax,epsil,stmin);
597 AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx
598 ,tmaxfd,stemax,deemax,epsil,stmin);
600 AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx
601 ,tmaxfd,stemax,deemax,epsil,stmin);
603 AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx
604 ,tmaxfd,stemax,deemax,epsil,stmin);
605 // Si in readout chips
606 AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx
607 ,tmaxfd,stemax,deemax,epsil,stmin);
608 // Epoxy in readout chips
609 AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx
610 ,tmaxfd,stemax,deemax,epsil,stmin);
612 AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx
613 ,tmaxfd,stemax,deemax,epsil,stmin);
615 AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx
616 ,tmaxfd,stemax,deemax,epsil,stmin);
617 // Al of cooling pipes
618 AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx
619 ,tmaxfd,stemax,deemax,epsil,stmin);
621 AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx
622 ,tmaxfd,stemax,deemax,epsil,stmin);
624 // Save the density values for the TRD absorbtion
631 //_____________________________________________________________________________
632 void AliTRD::DrawModule() const
635 // Draw a shaded view of the Transition Radiation Detector version 0
638 // Set everything unseen
639 gMC->Gsatt("*" ,"SEEN",-1);
641 // Set ALIC mother transparent
642 gMC->Gsatt("ALIC","SEEN", 0);
644 // Set the volumes visible
645 if (fGeometry->IsVersion() == 0) {
646 gMC->Gsatt("B071","SEEN", 0);
647 gMC->Gsatt("B074","SEEN", 0);
648 gMC->Gsatt("B075","SEEN", 0);
649 gMC->Gsatt("B077","SEEN", 0);
650 gMC->Gsatt("BTR1","SEEN", 0);
651 gMC->Gsatt("BTR2","SEEN", 0);
652 gMC->Gsatt("BTR3","SEEN", 0);
653 gMC->Gsatt("UTR1","SEEN", 0);
654 gMC->Gsatt("UTR2","SEEN", 0);
655 gMC->Gsatt("UTR3","SEEN", 0);
658 gMC->Gsatt("B071","SEEN", 0);
659 gMC->Gsatt("B074","SEEN", 0);
660 gMC->Gsatt("B075","SEEN", 0);
661 gMC->Gsatt("B077","SEEN", 0);
662 gMC->Gsatt("BTR1","SEEN", 0);
663 gMC->Gsatt("BTR2","SEEN", 0);
664 gMC->Gsatt("BTR3","SEEN", 0);
665 gMC->Gsatt("UTR1","SEEN", 0);
668 gMC->Gdopt("hide", "on");
669 gMC->Gdopt("shad", "on");
670 gMC->Gsatt("*", "fill", 7);
671 gMC->SetClipBox(".");
672 gMC->SetClipBox("*", 0, 2000, -2000, 2000, -2000, 2000);
674 gMC->Gdraw("alic", 40, 30, 0, 12, 9.4, .021, .021);
675 gMC->Gdhead(1111, "Transition Radiation Detector");
676 gMC->Gdman(18, 4, "MAN");
680 //_____________________________________________________________________________
681 Int_t AliTRD::DistancetoPrimitive(Int_t , Int_t )
684 // Distance between the mouse and the TRD detector on the screen
692 //_____________________________________________________________________________
696 // Initialize the TRD detector after the geometry has been created
699 AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++");
701 if (fGeometry->IsVersion() != 1) {
702 AliError("Not a valid geometry");
705 // Special tracking options for charged particles for XeCO2
706 gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0);
707 gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0);
708 gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss
709 gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential
710 gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries
714 //_____________________________________________________________________________
715 void AliTRD::LoadPoints(Int_t )
718 // Store x, y, z of all hits in memory.
719 // Hit originating from TR photons are given a different color
726 Int_t nhits = fHits->GetEntriesFast();
731 Int_t tracks = gAlice->GetMCApp()->GetNtrack();
733 fPoints = new TObjArray(tracks);
738 Int_t *ntrkE = new Int_t[tracks];
739 Int_t *ntrkT = new Int_t[tracks];
740 Int_t *limiE = new Int_t[tracks];
741 Int_t *limiT = new Int_t[tracks];
742 Float_t **coorE = new Float_t*[tracks];
743 Float_t **coorT = new Float_t*[tracks];
744 for(Int_t i = 0; i < tracks; i++) {
753 AliTRDpoints *points = 0;
756 Int_t chunk = nhits / 4 + 1;
758 // Loop over all the hits and store their position
759 ahit = (AliTRDhit *) FirstHit(-1);
763 if (ahit->GetCharge() >= 0) {
765 trk = ahit->GetTrack();
766 if (ntrkE[trk] == limiE[trk]) {
767 // Initialise a new track
768 fp = new Float_t[3*(limiE[trk]+chunk)];
770 memcpy(fp,coorE[trk],sizeof(Float_t)*3*limiE[trk]);
771 delete [] coorE[trk];
779 fp[3*ntrkE[trk] ] = ahit->X();
780 fp[3*ntrkE[trk]+1] = ahit->Y();
781 fp[3*ntrkE[trk]+2] = ahit->Z();
786 else if ((ahit->GetCharge() < 0) &&
789 trk = ahit->GetTrack();
790 if (ntrkT[trk] == limiT[trk]) {
791 // Initialise a new track
792 fp = new Float_t[3*(limiT[trk]+chunk)];
794 memcpy(fp,coorT[trk],sizeof(Float_t)*3*limiT[trk]);
795 delete [] coorT[trk];
803 fp[3*ntrkT[trk] ] = ahit->X();
804 fp[3*ntrkT[trk]+1] = ahit->Y();
805 fp[3*ntrkT[trk]+2] = ahit->Z();
810 ahit = (AliTRDhit *) NextHit();
814 for (trk = 0; trk < tracks; ++trk) {
816 if (ntrkE[trk] || ntrkT[trk]) {
818 points = new AliTRDpoints();
819 points->SetDetector(this);
820 points->SetParticle(trk);
822 // Set the dEdx points
824 points->SetMarkerColor(kWhite); //PH This is the default color in TRD
825 points->SetMarkerSize(1); //PH Default size=1
826 points->SetPolyMarker(ntrkE[trk],coorE[trk],1); //PH Default style=1
827 delete [] coorE[trk];
831 // Set the TR photon points
833 points->SetTRpoints(ntrkT[trk],coorT[trk]);
834 delete [] coorT[trk];
838 fPoints->AddAt(points,trk);
853 //_____________________________________________________________________________
854 void AliTRD::MakeBranch(Option_t *option)
857 // Create Tree branches for the TRD digits.
860 Int_t buffersize = 4000;
861 Char_t branchname[15];
862 sprintf(branchname,"%s",GetName());
864 const Char_t *cD = strstr(option,"D");
866 AliDetector::MakeBranch(option);
871 MakeBranchInTree(gAlice->TreeD(),branchname,&fDigits,buffersize,0);
876 //_____________________________________________________________________________
877 void AliTRD::ResetDigits()
880 // Reset number of digits and the digits array for this detector
891 //_____________________________________________________________________________
892 void AliTRD::SetTreeAddress()
895 // Set the branch addresses for the trees.
898 if (fLoader->TreeH() &&
900 fHits = new TClonesArray("AliTRDhit",405);
902 AliDetector::SetTreeAddress();
906 //_____________________________________________________________________________
907 Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader)
910 // Converts RAW data to SDigits
913 AliLoader *loader = fRunLoader->GetLoader("TRDLoader");
915 AliError("Can not get TRD loader from Run Loader");
920 tree = loader->TreeS();
922 loader->MakeTree("S");
923 tree = loader->TreeS();
926 AliTRDrawData *rawdata = new AliTRDrawData();
927 AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader);
928 if (sdigitsManager) {
929 sdigitsManager->SetSDigits(kTRUE);
930 sdigitsManager->MakeBranch(tree);
931 sdigitsManager->WriteDigits();
940 //_____________________________________________________________________________
941 AliTRD &AliTRD::operator=(const AliTRD &trd)
944 // Assignment operator
948 ((AliTRD &) trd).Copy(*this);