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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$Log$
18Revision 1.17 2000/07/10 16:07:18 fca
19Release version of ITS code
20
21Revision 1.9.2.3 2000/02/02 13:42:09 barbera
22fixed AliITS.cxx for new AliRun structure. Added ITS hits list to list of hits which will have their track numbers updated
23
24Revision 1.9.2.2 2000/01/23 03:03:13 nilsen
25//fixed FillModule. Removed fi(fabs(xl)<dx....
26
27Revision 1.9.2.1 2000/01/12 19:03:32 nilsen
28This is the version of the files after the merging done in December 1999.
29See the ReadMe110100.txt file for details
30
31Revision 1.9 1999/11/14 14:33:25 fca
32Correct problems with distructors and pointers, thanks to I.Hrivnacova
33
34Revision 1.8 1999/09/29 09:24:19 fca
35Introduction of the Copyright and cvs Log
36
37*/
38
39///////////////////////////////////////////////////////////////////////////////
40//
41// An overview of the basic philosophy of the ITS code development
42// and analysis is show in the figure below.
43//Begin_Html
44/*
45<img src="picts/ITS/ITS_Analysis_schema.gif">
46</pre>
47<br clear=left>
48<font size=+2 color=red>
49<p>Roberto Barbera is in charge of the ITS Offline code (1999).
50<a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>.
51</font>
52<pre>
53*/
54//End_Html
55//
56// AliITS. Inner Traking System base class.
57// This class contains the base procedures for the Inner Tracking System
58//
59//Begin_Html
60/*
61<img src="picts/ITS/AliITS_Class_Diagram.gif">
62</pre>
63<br clear=left>
64<font size=+2 color=red>
65<p>This show the class diagram of the different elements that are part of
66the AliITS class.
67</font>
68<pre>
69*/
70//End_Html
71//
72// Version: 0
73// Written by Rene Brun, Federico Carminati, and Roberto Barbera
74//
75// Version: 1
76// Modified and documented by Bjorn S. Nilsen
77// July 11 1999
78//
79// Version: 2
80// Modified and documented by A. Bologna
81// October 18 1999
82//
83// AliITS is the general base class for the ITS. Also see AliDetector for
84// futher information.
85//
86///////////////////////////////////////////////////////////////////////////////
87
88#include <TMath.h>
89#include <TRandom.h>
90#include <TVector.h>
91#include <TObjArray.h>
92#include <TROOT.h>
93#include <TObjectTable.h>
94
95
96
97#include "AliRun.h"
98#include "AliITS.h"
99#include "AliITSMap.h"
100#include "AliITSDetType.h"
101#include "AliITSClusterFinder.h"
102#include "AliITSsimulation.h"
103#include "AliITSsegmentationSPD.h"
104#include "AliITSresponseSPD.h"
105#include "AliITSsegmentationSDD.h"
106#include "AliITSresponseSDD.h"
107#include "AliITSsegmentationSSD.h"
108#include "AliITSresponseSSD.h"
109
110const Int_t AliITS::fgkNTYPES=3;
111
112ClassImp(AliITS)
113
114//_____________________________________________________________________________
115AliITS::AliITS() : AliDetector() {
116 //
117 // Default initialiser for ITS
118 // The default constructor of the AliITS class. In addition to
119 // creating the AliITS class it zeros the variables fIshunt (a member
120 // of AliDetector class), fEuclidOut, and fIdN, and zeros the pointers
121 // fITSpoints, fIdSens, and fIdName. The AliDetector default constructor
122 // is also called.
123 //
124
125 fIshunt = 0;
126 fEuclidOut = 0;
127
128 //fNDetTypes = fgkNTYPES;
129 fIdN = 0;
130 fIdName = 0;
131 fIdSens = 0;
132 fITSmodules = 0;
133 //
134 fDetTypes = 0;
135 //
136 fDtype = 0;
137 fNdtype = 0;
138 fCtype = 0;
139 fNctype = 0;
140 fRecPoints = 0;
141 fNRecPoints = 0;
142 fTreeC = 0;
143 //
144 fITSgeom=0;
145}
146
147//_____________________________________________________________________________
148AliITS::AliITS(const char *name, const char *title):AliDetector(name,title){
149 //
150 // Default initialiser for ITS
151 // The constructor of the AliITS class. In addition to creating the
152 // AliITS class, it allocates memory for the TClonesArrays fHits and
153 // fDigits, and for the TObjArray fITSpoints. It also zeros the variables
154 // fIshunt (a member of AliDetector class), fEuclidOut, and fIdN, and zeros
155 // the pointers fIdSens and fIdName. To help in displaying hits via the ROOT
156 // macro display.C AliITS also sets the marker color to red. The variables
157 // passes with this constructor, const char *name and *title, are used by
158 // the constructor of AliDetector class. See AliDetector class for a
159 // description of these parameters and its constructor functions.
160 //
161
162 fHits = new TClonesArray("AliITShit", 1560);
163 gAlice->AddHitList(fHits);
164
165 //fNDetTypes = fgkNTYPES;
166
167 fNdtype = new Int_t[fgkNTYPES];
168 fDtype = new TObjArray(fgkNTYPES);
169
170 fNctype = new Int_t[fgkNTYPES];
171 fCtype = new TObjArray(fgkNTYPES);
172
173
174 fRecPoints = 0;
175 fNRecPoints = 0;
176
177 fTreeC = 0;
178
179 fITSmodules = 0;
180
181 fIshunt = 0;
182 fEuclidOut = 0;
183 fIdN = 0;
184 fIdName = 0;
185 fIdSens = 0;
186
187 fDetTypes = new TObjArray(fgkNTYPES);
188
189 Int_t i;
190 for(i=0;i<fgkNTYPES;i++) {
191 (*fDetTypes)[i]=new AliITSDetType();
192 fNdtype[i]=0;
193 fNctype[i]=0;
194 }
195 //
196
197 SetMarkerColor(kRed);
198
199 fITSgeom=0;
200}
201//___________________________________________________________________________
202AliITS::AliITS(AliITS &source){
203 // copy constructor
204 if(this==&source) return;
205 printf("Error: You are not allowed to make a copy of the AliITS\n");
206 exit(1);
207}
208//____________________________________________________________________________
209AliITS& AliITS::operator=(AliITS &source){
210 // assignment operator
211 if(this==&source) return *this;
212 printf("Error: You are not allowed to make a copy of the AliITS\n");
213 exit(1);
214 return *this; //fake return
215}
216//____________________________________________________________________________
217void AliITS::ClearModules(){
218
219 //clear the modules TObjArray
220 Int_t i;
221
222 if(fITSmodules!=0) {
223 Int_t indSPD = fITSgeom->GetModuleIndex(2,fITSgeom->GetNladders(2),
224 fITSgeom->GetNdetectors(2));
225 Int_t indSDD = fITSgeom->GetModuleIndex(4,fITSgeom->GetNladders(4),
226 fITSgeom->GetNdetectors(4));
227 for(i=0;i<fITSmodules->GetEntriesFast();i++){
228 if(!fITSmodules->At(i)) continue;
229 if(i<indSPD)
230 delete (AliITSmodule *) fITSmodules->At(i);
231 else if(i<indSDD)
232 delete (AliITSmodule *) fITSmodules->At(i);
233 else
234 delete (AliITSmodule *) fITSmodules->At(i);
235 } // end for i
236 }// end if fITSmodules!=0
237
238}
239//_____________________________________________________________________________
240AliITS::~AliITS(){
241 //
242 // Default distructor for ITS
243 // The default destructor of the AliITS class. In addition to deleting
244 // the AliITS class it deletes the memory pointed to by the fHits, fDigits,
245 // fIdSens, fIdName, and fITSpoints.
246 //
247
248
249 delete fHits;
250 delete fDigits;
251 delete fRecPoints;
252 if(fIdName!=0) delete[] fIdName;
253 if(fIdSens!=0) delete[] fIdSens;
254 if(fITSmodules!=0) {
255 this->ClearModules();
256 delete fITSmodules;
257 }// end if fITSmodules!=0
258
259 //
260 Int_t i;
261 if(fDtype) {
262 for (i=0;i<fgkNTYPES;i++) {
263 delete (*fDtype)[i];
264 fNdtype[i]=0;
265 }
266 }
267
268 for (i=0;i<fgkNTYPES;i++) {
269 delete (*fCtype)[i];
270 fNctype[i]=0;
271 }
272
273 //
274
275 if (fDetTypes) {
276 fDetTypes->Delete();
277 delete fDetTypes;
278 }
279
280 if (fTreeC) delete fTreeC;
281
282}
283
284//___________________________________________
285AliITSDetType* AliITS::DetType(Int_t id)
286{
287 //return pointer to id detector type
288 return ((AliITSDetType*) (*fDetTypes)[id]);
289
290}
291//___________________________________________
292void AliITS::SetClasses(Int_t id, const char *digit, const char *cluster)
293{
294 //set the digit and cluster classes to be used for the id detector type
295 ((AliITSDetType*) (*fDetTypes)[id])->ClassNames(digit,cluster);
296
297}
298//___________________________________________
299void AliITS::SetResponseModel(Int_t id, AliITSresponse *response)
300{
301 //set the response model for the id detector type
302
303 ((AliITSDetType*) (*fDetTypes)[id])->ResponseModel(response);
304
305}
306
307//___________________________________________
308void AliITS::SetSegmentationModel(Int_t id, AliITSsegmentation *seg)
309{
310 //set the segmentation model for the id detector type
311
312 ((AliITSDetType*) (*fDetTypes)[id])->SegmentationModel(seg);
313
314}
315
316//___________________________________________
317void AliITS::SetSimulationModel(Int_t id, AliITSsimulation *sim)
318{
319 //set the simulation model for the id detector type
320
321 ((AliITSDetType*) (*fDetTypes)[id])->SimulationModel(sim);
322
323}
324//___________________________________________
325void AliITS::SetReconstructionModel(Int_t id, AliITSClusterFinder *reconst)
326{
327 //set the cluster finder model for the id detector type
328
329 ((AliITSDetType*) (*fDetTypes)[id])->ReconstructionModel(reconst);
330
331}
332
333//_____________________________________________________________________________
334void AliITS::AddHit(Int_t track, Int_t *vol, Float_t *hits){
335 //
336 // Add an ITS hit
337 // The function to add information to the AliITShit class. See the
338 // AliITShit class for a full description. This function allocates the
339 // necessary new space for the hit information and passes the variable
340 // track, and the pointers *vol and *hits to the AliITShit constructor
341 // function.
342 //
343 TClonesArray &lhits = *fHits;
344 new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
345}
346//_____________________________________________________________________________
347void AliITS::AddRealDigit(Int_t id, Int_t *digits)
348{
349 // add a real digit - as coming from data
350
351 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
352 new(ldigits[fNdtype[id]++]) AliITSdigit(digits);
353
354}
355//_____________________________________________________________________________
356void AliITS::AddSimDigit(Int_t id, AliITSdigit *d)
357{
358
359 // add a simulated digit
360
361 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
362
363 switch(id)
364 {
365 case 0:
366 new(ldigits[fNdtype[id]++]) AliITSdigitSPD(*((AliITSdigitSPD*)d));
367 break;
368 case 1:
369 new(ldigits[fNdtype[id]++]) AliITSdigitSDD(*((AliITSdigitSDD*)d));
370 break;
371 case 2:
372 new(ldigits[fNdtype[id]++]) AliITSdigitSSD(*((AliITSdigitSSD*)d));
373 break;
374 }
375
376}
377
378//_____________________________________________________________________________
379void AliITS::AddSimDigit(Int_t id,Float_t phys,Int_t *digits,Int_t *tracks,Int_t *hits,Float_t *charges){
380
381 // add a simulated digit to the list
382
383 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
384 switch(id)
385 {
386 case 0:
387 new(ldigits[fNdtype[id]++]) AliITSdigitSPD(digits,tracks,hits);
388 break;
389 case 1:
390 new(ldigits[fNdtype[id]++]) AliITSdigitSDD(phys,digits,tracks,hits,charges);
391 break;
392 case 2:
393 new(ldigits[fNdtype[id]++]) AliITSdigitSSD(digits,tracks,hits);
394 break;
395 }
396
397}
398
399//_____________________________________________________________________________
400void AliITS::AddCluster(Int_t id, AliITSRawCluster *c)
401{
402
403 // add a cluster to the list
404
405 TClonesArray &lcl = *((TClonesArray*)(*fCtype)[id]);
406
407 switch(id)
408 {
409 case 0:
410 new(lcl[fNctype[id]++]) AliITSRawClusterSPD(*((AliITSRawClusterSPD*)c));
411 break;
412 case 1:
413 new(lcl[fNctype[id]++]) AliITSRawClusterSDD(*((AliITSRawClusterSDD*)c));
414 break;
415 case 2:
416 new(lcl[fNctype[id]++]) AliITSRawClusterSSD(*((AliITSRawClusterSSD*)c));
417 break;
418 }
419
420}
421
422
423//_____________________________________________________________________________
424void AliITS::AddRecPoint(const AliITSRecPoint &r)
425{
426 //
427 // Add a reconstructed space point to the list
428 //
429 TClonesArray &lrecp = *fRecPoints;
430 new(lrecp[fNRecPoints++]) AliITSRecPoint(r);
431}
432
433
434//____________________________________________
435void AliITS::ResetDigits()
436{
437 //
438 // Reset number of digits and the digits array for thE ITS detector
439 //
440
441 if (!fDtype) return;
442
443 Int_t i;
444 for (i=0;i<fgkNTYPES;i++ ) {
445 if ((*fDtype)[i]) ((TClonesArray*)(*fDtype)[i])->Clear();
446 if (fNdtype) fNdtype[i]=0;
447 }
448}
449
450//____________________________________________
451void AliITS::ResetDigits(Int_t i)
452{
453 //
454 // Reset number of digits and the digits array for this branch
455 //
456 if ((*fDtype)[i]) ((TClonesArray*)(*fDtype)[i])->Clear();
457 if (fNdtype) fNdtype[i]=0;
458}
459
460
461//____________________________________________
462void AliITS::ResetClusters()
463{
464 //
465 // Reset number of clusters and the clusters array for ITS
466 //
467
468 Int_t i;
469 for (i=0;i<fgkNTYPES;i++ ) {
470 if ((*fCtype)[i]) ((TClonesArray*)(*fCtype)[i])->Clear();
471 if (fNctype) fNctype[i]=0;
472 }
473
474}
475
476//____________________________________________
477void AliITS::ResetClusters(Int_t i)
478{
479 //
480 // Reset number of clusters and the clusters array for this branch
481 //
482 if ((*fCtype)[i]) ((TClonesArray*)(*fCtype)[i])->Clear();
483 if (fNctype) fNctype[i]=0;
484
485}
486
487
488//____________________________________________
489void AliITS::ResetRecPoints()
490{
491 //
492 // Reset number of rec points and the rec points array
493 //
494 fNRecPoints = 0;
495 if (fRecPoints) fRecPoints->Clear();
496
497}
498
499//_____________________________________________________________________________
500Int_t AliITS::DistancetoPrimitive(Int_t , Int_t ){
501 //
502 // Distance from mouse to ITS on the screen. Dummy routine
503 // A dummy routine used by the ROOT macro display.C to allow for the
504 // use of the mouse (pointing device) in the macro. In general this should
505 // never be called. If it is it returns the number 9999 for any value of
506 // x and y.
507 //
508 return 9999;
509}
510
511//_____________________________________________________________________________
512void AliITS::Init(){
513 //
514 // Initialise ITS after it has been built
515 // This routine initializes the AliITS class. It is intended to be called
516 // from the Init function in AliITSv?. Besides displaying a banner
517 // indicating that it has been called it initializes the array fIdSens
518 // and sets the default segmentation, response, digit and raw cluster classes
519 // Therefore it should be called after a call to CreateGeometry.
520 //
521
522
523 SetDefaults();
524
525 Int_t i;
526 printf("\n");
527 for(i=0;i<35;i++) printf("*");
528 printf(" ITS_INIT ");
529 for(i=0;i<35;i++) printf("*");
530 printf("\n");
531 //
532 //
533 for(i=0;i<fIdN;i++) fIdSens[i] = gMC->VolId(fIdName[i]);
534 //
535 for(i=0;i<80;i++) printf("*");
536 printf("\n");
537}
538
539//_____________________________________________________________________________
540void AliITS::SetDefaults()
541{
542 // sets the default segmentation, response, digit and raw cluster classes
543
544
545 AliITSDetType *iDetType;
546
547 //SPD
548
549 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
550 AliITSresponseSPD *resp0=new AliITSresponseSPD();
551 iDetType=DetType(0);
552 if (!iDetType->GetSegmentationModel()) SetSegmentationModel(0,seg0);
553 if (!iDetType->GetResponseModel()) SetResponseModel(0,resp0);
554 // set digit and raw cluster classes to be used
555 const char *kData0=resp0->DataType();
556 if (strstr(kData0,"real")) {
557 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSPD");
558 } else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
559
560 // SDD //
561 AliITSresponseSDD *resp1=new AliITSresponseSDD();
562 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
563 iDetType=DetType(1);
564 if (!iDetType->GetSegmentationModel()) SetSegmentationModel(1,seg1);
565 if (!iDetType->GetResponseModel()) SetResponseModel(1,resp1);
566 const char *kData1=resp1->DataType();
567 const char *kopt=resp1->ZeroSuppOption();
568 if ((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ) {
569 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
570 } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
571
572 // SSD
573 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
574 AliITSresponseSSD *resp2=new AliITSresponseSSD();
575 iDetType=DetType(2);
576 if (!iDetType->GetSegmentationModel()) SetSegmentationModel(2,seg2);
577 if (!iDetType->GetResponseModel()) SetResponseModel(2,resp2);
578 const char *kData2=resp2->DataType();
579 if (strstr(kData2,"real")) {
580 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSSD");
581 } else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
582
583 if (fgkNTYPES>3) {
584 Warning("SetDefaults","Only the three basic detector types are initialised!");
585 }
586
587}
588
589
590//_____________________________________________________________________________
591void AliITS::SetDefaultSimulation()
592{
593 // to be written
594
595}
596//_____________________________________________________________________________
597void AliITS::SetDefaultClusterFinders()
598{
599 // to be written
600
601}
602//_____________________________________________________________________________
603
604void AliITS::MakeTreeC(Option_t *option)
605{
606 // create a separate tree to store the clusters
607
608 char *optC = strstr(option,"C");
609 if (optC && !fTreeC) fTreeC = new TTree("TC","Clusters in ITS");
610
611 Int_t buffersize = 4000;
612 char branchname[30];
613
614 char *det[3] = {"SPD","SDD","SSD"};
615
616 // one branch for Clusters per type of detector
617 Int_t i;
618 for (i=0; i<fgkNTYPES ;i++) {
619 if (fgkNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
620 else sprintf(branchname,"%sClusters%d",GetName(),i+1);
621 if (fCtype && fTreeC) {
622 TreeC()->Branch(branchname,&((*fCtype)[i]), buffersize);
623 printf("Making Branch %s for Clusters of detector type %d\n",branchname,i+1);
624 }
625 }
626
627}
628
629//_____________________________________________________________________________
630void AliITS::GetTreeC(Int_t event)
631{
632
633 // get the clusters tree for this event and set the branch address
634 char treeName[20];
635 char branchname[30];
636
637 char *det[3] = {"SPD","SDD","SSD"};
638
639 ResetClusters();
640 if (fTreeC) {
641 delete fTreeC;
642 }
643
644 sprintf(treeName,"TreeC%d",event);
645 fTreeC = (TTree*)gDirectory->Get(treeName);
646
647
648 TBranch *branch;
649 if (fTreeC) {
650 Int_t i;
651 for (i=0; i<fgkNTYPES; i++) {
652 if (fgkNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
653 else sprintf(branchname,"%sClusters%d",GetName(),i+1);
654 if (fCtype) {
655 branch = fTreeC->GetBranch(branchname);
656 if (branch) branch->SetAddress(&((*fCtype)[i]));
657 }
658 }
659 } else {
660 printf("ERROR: cannot find Clusters Tree for event:%d\n",event);
661 }
662
663}
664//_____________________________________________________________________________
665void AliITS::MakeBranch(Option_t* option){
666 //
667 // Creates Tree branches for the ITS.
668 //
669
670
671 Int_t buffersize = 4000;
672 char branchname[30];
673 sprintf(branchname,"%s",GetName());
674
675 AliDetector::MakeBranch(option);
676
677
678// one branch for digits per type of detector
679
680 char *det[3] = {"SPD","SDD","SSD"};
681
682 char digclass[40];
683 char clclass[40];
684
685 Int_t i;
686 for (i=0; i<fgkNTYPES ;i++) {
687 AliITSDetType *iDetType=DetType(i);
688 iDetType->GetClassNames(digclass,clclass);
689 //printf("i, digclass, recclass %d %s %s\n",i,digclass,clclass);
690 // digits
691 (*fDtype)[i] = new TClonesArray(digclass,10000);
692 // clusters
693 (*fCtype)[i] = new TClonesArray(clclass,10000);
694 }
695
696
697 for (i=0; i<fgkNTYPES ;i++) {
698 if (fgkNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
699 else sprintf(branchname,"%sDigits%d",GetName(),i+1);
700
701 if (fDtype && gAlice->TreeD()) {
702 gAlice->TreeD()->Branch(branchname,&((*fDtype)[i]), buffersize);
703 printf("Making Branch %s for digits of type %d\n",branchname,i+1);
704 }
705 }
706
707 // only one branch for rec points for all detector types
708 sprintf(branchname,"%sRecPoints",GetName());
709
710 fRecPoints=new TClonesArray("AliITSRecPoint",10000);
711
712 if (fRecPoints && gAlice->TreeR()) {
713 gAlice->TreeR()->Branch(branchname,&fRecPoints, buffersize);
714 printf("Making Branch %s for reconstructed space points\n",branchname);
715 }
716
717
718}
719
720//___________________________________________
721void AliITS::SetTreeAddress()
722{
723
724 // Set branch address for the Trees.
725
726 char branchname[30];
727 AliDetector::SetTreeAddress();
728
729 char *det[3] = {"SPD","SDD","SSD"};
730
731 TBranch *branch;
732 TTree *treeD = gAlice->TreeD();
733 TTree *treeR = gAlice->TreeR();
734
735 Int_t i;
736 if (treeD) {
737 for (i=0; i<fgkNTYPES; i++) {
738 if (fgkNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
739 else sprintf(branchname,"%sDigits%d",GetName(),i+1);
740 if (fDtype) {
741 branch = treeD->GetBranch(branchname);
742 if (branch) branch->SetAddress(&((*fDtype)[i]));
743 }
744 }
745 }
746
747
748 if (treeR) {
749 sprintf(branchname,"%sRecPoints",GetName());
750 if (fRecPoints) {
751 branch = treeR->GetBranch(branchname);
752 if (branch) branch->SetAddress(&fRecPoints);
753 }
754 }
755
756
757}
758
759//____________________________________________________________________________
760void AliITS::InitModules(Int_t size,Int_t &nmodules){
761
762 //initialize the modules array
763
764 if(fITSmodules){
765 //this->ClearModules();
766 delete fITSmodules;
767 }
768
769 Int_t nl,indexMAX,index;
770 Int_t indSPD,indSDD;
771
772 if(size<=0){ // default to using data stored in AliITSgeom
773 if(fITSgeom==0) {
774 printf("Error in AliITS::InitModule fITSgeom not defined\n");
775 return;
776 } // end if fITSgeom==0
777 nl = fITSgeom->GetNlayers();
778 indexMAX = fITSgeom->GetModuleIndex(nl,fITSgeom->GetNladders(nl),
779 fITSgeom->GetNdetectors(nl))+1;
780 nmodules = indexMAX;
781 fITSmodules = new TObjArray(indexMAX);
782 indSPD = fITSgeom->GetModuleIndex(2,fITSgeom->GetNladders(2),
783 fITSgeom->GetNdetectors(2));
784 indSDD = fITSgeom->GetModuleIndex(4,fITSgeom->GetNladders(4),
785 fITSgeom->GetNdetectors(4));
786 for(index=0;index<indexMAX;index++){
787 if(index<=indSPD)
788 fITSmodules->AddAt( new AliITSmodule(index),index);
789 else if(index<=indSDD)
790 fITSmodules->AddAt( new AliITSmodule(index),index);
791 else
792 fITSmodules->AddAt( new AliITSmodule(index),index);
793 } // end for index
794 }else{
795 fITSmodules = new TObjArray(size);
796 nmodules = size;
797 } // end i size<=0
798}
799
800//____________________________________________________________________________
801void AliITS::FillModules(Int_t evnt,Int_t bgrev,Int_t nmodules,Option_t *option,Text_t *filename){
802
803 // fill the modules with the sorted by module hits; add hits from background
804 // if option=Add
805
806 static TTree *trH1; //Tree with background hits
807 static TClonesArray *fHits2; //List of hits for one track only
808
809 static Bool_t first=kTRUE;
810 static TFile *file;
811 char *addBgr = strstr(option,"Add");
812
813
814 if (addBgr ) {
815 if(first) {
816 cout<<"filename "<<filename<<endl;
817 file=new TFile(filename);
818 cout<<"I have opened "<<filename<<" file "<<endl;
819 fHits2 = new TClonesArray("AliITShit",1000 );
820 }
821 first=kFALSE;
822 file->cd();
823 file->ls();
824 // Get Hits Tree header from file
825 if(fHits2) fHits2->Clear();
826 if(trH1) delete trH1;
827 trH1=0;
828
829 char treeName[20];
830 sprintf(treeName,"TreeH%d",bgrev);
831 trH1 = (TTree*)gDirectory->Get(treeName);
832 //printf("TrH1 %p of treename %s for event %d \n",trH1,treeName,bgrev);
833
834 if (!trH1) {
835 printf("ERROR: cannot find Hits Tree for event:%d\n",bgrev);
836 }
837 // Set branch addresses
838 TBranch *branch;
839 char branchname[20];
840 sprintf(branchname,"%s",GetName());
841 if (trH1 && fHits2) {
842 branch = trH1->GetBranch(branchname);
843 if (branch) branch->SetAddress(&fHits2);
844 }
845
846 // test
847 //Int_t ntracks1 =(Int_t)TrH1->GetEntries();
848 //printf("background - ntracks1 - %d\n",ntracks1);
849 }
850
851 Int_t npart = gAlice->GetEvent(evnt);
852 if(npart<=0) return;
853 TClonesArray *itsHits = this->Hits();
854 Int_t lay,lad,det,index;
855 AliITShit *itsHit=0;
856 AliITSmodule *mod=0;
857
858 TTree *iTH = gAlice->TreeH();
859 Int_t ntracks =(Int_t) iTH->GetEntries();
860
861 Int_t t,h;
862 for(t=0; t<ntracks; t++){
863 gAlice->ResetHits();
864 iTH->GetEvent(t);
865 Int_t nhits = itsHits->GetEntriesFast();
866 if (!nhits) continue;
867 for(h=0; h<nhits; h++){
868 itsHit = (AliITShit *)itsHits->UncheckedAt(h);
869 itsHit->GetDetectorID(lay,lad,det);
870 index = fITSgeom->GetModuleIndex(lay,lad,det);
871 mod = this->GetModule(index);
872 if(lay == 1 || lay == 2)
873 mod->AddHit((AliITShit *) itsHit,t,h);
874 else if(lay == 3 || lay == 4)
875 mod->AddHit((AliITShit *) itsHit,t,h);
876 else if(lay == 5 || lay ==6)
877 mod->AddHit((AliITShit *)itsHit,t,h);
878 else
879 mod->AddHit(itsHit,t,h);
880
881 } // end loop over hits
882 } // end loop over tracks
883
884 // open the file with background
885
886 if (addBgr ) {
887 Int_t track,i;
888 ntracks =(Int_t)trH1->GetEntries();
889 //printf("background - ntracks1 %d\n",ntracks);
890 //printf("background - Start loop over tracks \n");
891 // Loop over tracks
892
893 for (track=0; track<ntracks; track++) {
894
895 if (fHits2) fHits2->Clear();
896 trH1->GetEvent(track);
897 // Loop over hits
898 for(i=0;i<fHits2->GetEntriesFast();++i) {
899
900 itsHit=(AliITShit*) (*fHits2)[i];
901 itsHit->GetDetectorID(lay,lad,det);
902 index = fITSgeom->GetModuleIndex(lay,lad,det);
903 mod = this->GetModule(index);
904
905 if(lay == 1 || lay == 2)
906 mod->AddHit((AliITShit *) itsHit,track,i);
907 else if(lay == 3 || lay == 4)
908 mod->AddHit((AliITShit *) itsHit,track,i);
909 else if(lay == 5 || lay ==6)
910 mod->AddHit((AliITShit *)itsHit,track,i);
911 else
912 mod->AddHit(itsHit,track,i);
913
914
915 } // end loop over hits
916 } // end loop over tracks
917
918 TTree *fAli=gAlice->TreeK();
919 TFile *fileAli=0;
920
921 if (fAli) fileAli =fAli->GetCurrentFile();
922 file->cd();
923
924 } // end if add
925
926 //gObjectTable->Print();
927
928}
929
930
931//____________________________________________________________________________
932void AliITS::HitsToDigits(Int_t evNumber,Int_t bgrev,Int_t size, Option_t *option, Option_t *opt,Text_t *filename)
933{
934 // keep galice.root for signal and name differently the file for
935 // background when add! otherwise the track info for signal will be lost !
936
937 char *all = strstr(opt,"All");
938 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
939
940 Int_t nmodules;
941 InitModules(size,nmodules);
942 FillModules(evNumber,bgrev,nmodules,option,filename);
943
944 TBranch *branch;
945 AliITSsimulation* sim;
946
947 TObjArray *branches=gAlice->TreeD()->GetListOfBranches();
948 AliITSgeom *geom = GetITSgeom();
949
950 Int_t id,module;
951 for (id=0;id<fgkNTYPES;id++) {
952 if (!all && !det[id]) continue;
953 branch = (TBranch*)branches->UncheckedAt(id);
954 AliITSDetType *iDetType=DetType(id);
955 sim = (AliITSsimulation*)iDetType->GetSimulationModel();
956 if (!sim) {
957 Error("HitsToDigits","The simulation class was not instantiated!");
958 exit(1);
959 // or SetDefaultSimulation();
960 }
961 Int_t first = geom->GetStartDet(id);
962 Int_t last = geom->GetLastDet(id);
963 printf("det type %d first, last %d %d \n",id,first,last);
964 for(module=first;module<=last;module++) {
965 AliITSmodule *mod = (AliITSmodule *)fITSmodules->At(module);
966 sim->DigitiseModule(mod,module,evNumber);
967 // fills all branches - wasted disk space
968 gAlice->TreeD()->Fill();
969 ResetDigits();
970 // try and fill only the branch
971 //branch->Fill();
972 //ResetDigits(id);
973 } // loop over modules
974 } // loop over detector types
975
976 ClearModules();
977
978 Int_t nentries=(Int_t)gAlice->TreeD()->GetEntries();
979 printf("nentries in TreeD %d\n",nentries);
980
981 char hname[30];
982 sprintf(hname,"TreeD%d",evNumber);
983 gAlice->TreeD()->Write(hname);
984 // reset tree
985 gAlice->TreeD()->Reset();
986
987}
988
989
990//____________________________________________________________________________
991void AliITS::DigitsToRecPoints(Int_t evNumber,Int_t lastentry,Option_t *opt)
992{
993 // cluster finding and reconstruction of space points
994
995 char *all = strstr(opt,"All");
996 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
997
998 static Bool_t first=kTRUE;
999 if (first) {
1000 MakeTreeC("C");
1001 first=kFALSE;
1002 }
1003 TTree *iTC=TreeC();
1004
1005 TBranch *branch;
1006 AliITSClusterFinder* rec;
1007
1008 TObjArray *branches=gAlice->TreeR()->GetListOfBranches();
1009 AliITSgeom *geom = GetITSgeom();
1010
1011 Int_t id,module;
1012 for (id=0;id<fgkNTYPES;id++) {
1013 if (!all && !det[id]) continue;
1014 branch = (TBranch*)branches->UncheckedAt(id);
1015 AliITSDetType *iDetType=DetType(id);
1016 rec = (AliITSClusterFinder*)iDetType->GetReconstructionModel();
1017 if (!rec) {
1018 Error("DigitsToRecPoints","The cluster finder class was not instantiated!");
1019 exit(1);
1020 // or SetDefaultClusterFinders();
1021 }
1022 TClonesArray *itsDigits = this->DigitsAddress(id);
1023
1024 Int_t first = geom->GetStartDet(id);
1025 Int_t last = geom->GetLastDet(id);
1026 for(module=first;module<=last;module++) {
1027 this->ResetDigits();
1028 if (all) gAlice->TreeD()->GetEvent(lastentry+module);
1029 else gAlice->TreeD()->GetEvent(lastentry+(module-first));
1030 Int_t ndigits = itsDigits->GetEntriesFast();
1031 if (ndigits) rec->FindRawClusters();
1032 gAlice->TreeR()->Fill();
1033 ResetRecPoints();
1034 iTC->Fill();
1035 ResetClusters();
1036 // try and fill only the branch
1037 //branch->Fill();
1038 //ResetRecPoints(id);
1039 } // loop over modules
1040 } // loop over detector types
1041
1042
1043 Int_t nentries=(Int_t)gAlice->TreeR()->GetEntries();
1044 Int_t ncentries=(Int_t)iTC->GetEntries();
1045 printf(" nentries ncentries %d %d\n", nentries, ncentries);
1046
1047 char hname[30];
1048 sprintf(hname,"TreeR%d",evNumber);
1049 gAlice->TreeR()->Write(hname);
1050 // reset tree
1051 gAlice->TreeR()->Reset();
1052
1053 sprintf(hname,"TreeC%d",evNumber);
1054 iTC->Write(hname);
1055 iTC->Reset();
1056}
1057
1058
1059//____________________________________________________________________________
1060void AliITS::HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
1061Option_t *option,Option_t *opt,Text_t *filename)
1062{
1063 // keep galice.root for signal and name differently the file for
1064 // background when add! otherwise the track info for signal will be lost !
1065
1066 char *all = strstr(opt,"All");
1067 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
1068
1069 Int_t nmodules;
1070 InitModules(size,nmodules);
1071 FillModules(evNumber,bgrev,nmodules,option,filename);
1072
1073
1074 AliITSsimulation* sim;
1075 AliITSgeom *geom = GetITSgeom();
1076
1077 TRandom *random=new TRandom[9];
1078 random[0].SetSeed(111);
1079 random[1].SetSeed(222);
1080 random[2].SetSeed(333);
1081 random[3].SetSeed(444);
1082 random[4].SetSeed(555);
1083 random[5].SetSeed(666);
1084 random[6].SetSeed(777);
1085 random[7].SetSeed(888);
1086 random[8].SetSeed(999);
1087
1088
1089 Int_t id,module;
1090 for (id=0;id<fgkNTYPES;id++) {
1091 if (!all && !det[id]) continue;
1092 AliITSDetType *iDetType=DetType(id);
1093 sim = (AliITSsimulation*)iDetType->GetSimulationModel();
1094 if (!sim) {
1095 Error("HitsToFastPoints","The simulation class was not instantiated!");
1096 exit(1);
1097 // or SetDefaultSimulation();
1098 }
1099 Int_t first = geom->GetStartDet(id);
1100 Int_t last = geom->GetLastDet(id);
1101 for(module=first;module<=last;module++) {
1102 AliITSmodule *mod = (AliITSmodule *)fITSmodules->At(module);
1103 sim->CreateFastRecPoints(mod,module,random);
1104 gAlice->TreeR()->Fill();
1105 ResetRecPoints();
1106 } // loop over modules
1107 } // loop over detector types
1108
1109
1110 ClearModules();
1111
1112 //Int_t nentries=(Int_t)gAlice->TreeR()->GetEntries();
1113
1114 char hname[30];
1115 sprintf(hname,"TreeR%d",evNumber);
1116 gAlice->TreeR()->Write(hname);
1117 // reset tree
1118 gAlice->TreeR()->Reset();
1119
1120 delete [] random;
1121
1122}
1123
1124//____________________________________________________________________________
1125void AliITS::Streamer(TBuffer &R__b){
1126 // Stream an object of class AliITS.
1127
1128 Int_t i;
1129
1130 if (R__b.IsReading()) {
1131 Version_t R__v = R__b.ReadVersion();
1132 if (R__v) {
1133 AliDetector::Streamer(R__b);
1134 R__b >> fIdN;
1135 R__b.ReadArray(fIdSens);
1136 for(i=0;i<fIdN;i++) fIdName[i].Streamer(R__b);
1137 R__b >> fITSgeom;
1138 R__b >> fITSmodules;
1139 R__b >> fEuclidOut;
1140 R__b >> fMajorVersion;
1141 R__b >> fMinorVersion;
1142 R__b >> fDetTypes;
1143 R__b >> fDtype;
1144 delete []fNdtype;
1145 fNdtype = new Int_t[fgkNTYPES];
1146 R__b.ReadFastArray(fNdtype,fgkNTYPES);
1147 R__b >> fCtype;
1148 delete []fNctype;
1149 fNctype = new Int_t[fgkNTYPES];
1150 R__b.ReadFastArray(fNctype,fgkNTYPES);
1151 R__b >> fRecPoints;
1152 R__b >> fNRecPoints;
1153 R__b >> fTreeC;
1154 } // end if R__v
1155 } else { // writing
1156 R__b.WriteVersion(AliITS::IsA());
1157 AliDetector::Streamer(R__b);
1158 R__b << fIdN;
1159 R__b.WriteArray(fIdSens,fIdN);
1160 for(i=0;i<fIdN;i++) fIdName[i].Streamer(R__b);
1161 R__b << fITSgeom;
1162 R__b << fITSmodules;
1163 R__b << fEuclidOut;
1164 R__b << fMajorVersion;
1165 R__b << fMinorVersion;
1166 R__b << fDetTypes;
1167 R__b << fDtype;
1168 R__b.WriteFastArray(fNdtype,fgkNTYPES);
1169 R__b << fCtype;
1170 R__b.WriteFastArray(fNctype,fgkNTYPES);
1171 R__b << fRecPoints;
1172 R__b << fNRecPoints;
1173 R__b << fTreeC;
1174 } // end if
1175
1176}
1177
1178