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Fixed bug in distructor. Can't distroy fixxed length arrays. Thanks Peter.
[u/mrichter/AliRoot.git] / ITS / AliITS.cxx
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4c039060 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$Log$
04874c1a 18Revision 1.31 2001/02/02 23:57:28 nilsen
19Added include file that are no londer included in AliITSgeom.h
20
d953664a 21Revision 1.30 2001/01/30 09:23:13 hristov
22Streamers removed (R.Brun)
23
a8a6107b 24Revision 1.29 2001/01/26 20:01:09 hristov
25Major upgrade of AliRoot code
26
2ab0c725 27Revision 1.28 2000/12/18 14:02:00 barbera
28new version of the ITS tracking to take into account the new TPC track parametrization
29
cc6e75dd 30Revision 1.27 2000/12/08 13:49:27 barbera
31Hidden declaration in a for loop removed to be compliant with HP-UX compiler
32
c5b22044 33Revision 1.26 2000/11/27 13:12:13 barbera
34New version containing the files for tracking
35
55b5a0b3 36Revision 1.25 2000/11/12 22:38:05 barbera
37Added header file for the SPD Bari model
38
dfe2a93f 39Revision 1.24 2000/10/09 22:18:12 barbera
40Bug fixes from MAriana to le AliITStest.C run correctly
41
65d4384f 42Revision 1.23 2000/10/05 20:47:42 nilsen
43fixed dependencies of include files. Tryed but failed to get a root automaticly
44generates streamer function to work. Modified SetDefaults.
45
143d1056 46Revision 1.9.2.15 2000/10/04 16:56:40 nilsen
47Needed to include stdlib.h
48
49=======
50Revision 1.22 2000/10/04 19:45:52 barbera
51Corrected by F. Carminati for v3.04
52
114da3a4 53Revision 1.21 2000/10/02 21:28:08 fca
54Removal of useless dependecies via forward declarations
55
94de3818 56Revision 1.20 2000/10/02 16:31:39 barbera
57General code clean-up
58
d5da1ecf 59Revision 1.9.2.14 2000/10/02 15:43:51 barbera
60General code clean-up (e.g., printf -> cout)
61
62Revision 1.19 2000/09/22 12:13:25 nilsen
63Patches and updates for fixes to this and other routines.
64
9c74c52b 65Revision 1.18 2000/07/12 05:32:20 fca
66Correcting several syntax problem with static members
67
b669392e 68Revision 1.17 2000/07/10 16:07:18 fca
69Release version of ITS code
70
3bd79107 71Revision 1.9.2.3 2000/02/02 13:42:09 barbera
72fixed AliITS.cxx for new AliRun structure. Added ITS hits list to list of hits which will have their track numbers updated
73
74Revision 1.9.2.2 2000/01/23 03:03:13 nilsen
75//fixed FillModule. Removed fi(fabs(xl)<dx....
76
77Revision 1.9.2.1 2000/01/12 19:03:32 nilsen
78This is the version of the files after the merging done in December 1999.
79See the ReadMe110100.txt file for details
c9a71be1 80
1cedd08a 81Revision 1.9 1999/11/14 14:33:25 fca
82Correct problems with distructors and pointers, thanks to I.Hrivnacova
83
6c854497 84Revision 1.8 1999/09/29 09:24:19 fca
85Introduction of the Copyright and cvs Log
86
4c039060 87*/
88
fe4da5cc 89///////////////////////////////////////////////////////////////////////////////
58005f18 90//
91// An overview of the basic philosophy of the ITS code development
92// and analysis is show in the figure below.
fe4da5cc 93//Begin_Html
94/*
a92b2b7d 95<img src="picts/ITS/ITS_Analysis_schema.gif">
fe4da5cc 96</pre>
97<br clear=left>
98<font size=+2 color=red>
58005f18 99<p>Roberto Barbera is in charge of the ITS Offline code (1999).
fe4da5cc 100<a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>.
101</font>
102<pre>
103*/
104//End_Html
58005f18 105//
106// AliITS. Inner Traking System base class.
107// This class contains the base procedures for the Inner Tracking System
108//
109//Begin_Html
110/*
a92b2b7d 111<img src="picts/ITS/AliITS_Class_Diagram.gif">
58005f18 112</pre>
113<br clear=left>
114<font size=+2 color=red>
115<p>This show the class diagram of the different elements that are part of
116the AliITS class.
117</font>
118<pre>
119*/
120//End_Html
121//
122// Version: 0
123// Written by Rene Brun, Federico Carminati, and Roberto Barbera
124//
125// Version: 1
126// Modified and documented by Bjorn S. Nilsen
127// July 11 1999
128//
3bd79107 129// Version: 2
130// Modified and documented by A. Bologna
131// October 18 1999
132//
58005f18 133// AliITS is the general base class for the ITS. Also see AliDetector for
134// futher information.
135//
fe4da5cc 136///////////////////////////////////////////////////////////////////////////////
d953664a 137#include <iostream.h>
138#include <iomanip.h>
139#include <fstream.h>
143d1056 140#include <stdlib.h>
fe4da5cc 141#include <TMath.h>
142#include <TRandom.h>
9c74c52b 143#include <TBranch.h>
fe4da5cc 144#include <TVector.h>
3bd79107 145#include <TObjArray.h>
3bd79107 146#include <TROOT.h>
147#include <TObjectTable.h>
9c74c52b 148#include <TFile.h>
149#include <TTree.h>
d5da1ecf 150#include <TString.h>
3bd79107 151
152
bb8ac1e0 153
fe4da5cc 154#include "AliRun.h"
3bd79107 155#include "AliITS.h"
156#include "AliITSMap.h"
e8189707 157#include "AliITSDetType.h"
3bd79107 158#include "AliITSClusterFinder.h"
159#include "AliITSsimulation.h"
143d1056 160#include "AliITSresponse.h"
3bd79107 161#include "AliITSsegmentationSPD.h"
162#include "AliITSresponseSPD.h"
dfe2a93f 163#include "AliITSresponseSPDbari.h"
3bd79107 164#include "AliITSsegmentationSDD.h"
165#include "AliITSresponseSDD.h"
166#include "AliITSsegmentationSSD.h"
167#include "AliITSresponseSSD.h"
9c74c52b 168#include "AliITShit.h"
169#include "AliITSgeom.h"
170#include "AliITSdigit.h"
171#include "AliITSmodule.h"
172#include "AliITSRecPoint.h"
173#include "AliITSRawCluster.h"
94de3818 174#include "AliMC.h"
114da3a4 175#include "stdlib.h"
e8189707 176
55b5a0b3 177#include "AliITStrack.h"
178#include "AliITSiotrack.h"
179#include "AliITStracking.h"
180#include "../TPC/AliTPC.h"
181#include "../TPC/AliTPCParam.h"
182
c9a71be1 183
3bd79107 184ClassImp(AliITS)
185
fe4da5cc 186//_____________________________________________________________________________
3bd79107 187AliITS::AliITS() : AliDetector() {
fe4da5cc 188 //
189 // Default initialiser for ITS
58005f18 190 // The default constructor of the AliITS class. In addition to
191 // creating the AliITS class it zeros the variables fIshunt (a member
192 // of AliDetector class), fEuclidOut, and fIdN, and zeros the pointers
3bd79107 193 // fITSpoints, fIdSens, and fIdName. The AliDetector default constructor
194 // is also called.
fe4da5cc 195 //
3bd79107 196
9c74c52b 197
58005f18 198 fIshunt = 0;
199 fEuclidOut = 0;
e8189707 200
a8a6107b 201 fNDetTypes = kNTYPES;
58005f18 202 fIdN = 0;
203 fIdName = 0;
204 fIdSens = 0;
6c854497 205 fITSmodules = 0;
3bd79107 206 //
207 fDetTypes = 0;
3bd79107 208 //
209 fDtype = 0;
210 fNdtype = 0;
211 fCtype = 0;
212 fNctype = 0;
213 fRecPoints = 0;
214 fNRecPoints = 0;
e8189707 215 fTreeC = 0;
3bd79107 216 //
217 fITSgeom=0;
fe4da5cc 218}
3bd79107 219
fe4da5cc 220//_____________________________________________________________________________
58005f18 221AliITS::AliITS(const char *name, const char *title):AliDetector(name,title){
fe4da5cc 222 //
223 // Default initialiser for ITS
58005f18 224 // The constructor of the AliITS class. In addition to creating the
225 // AliITS class, it allocates memory for the TClonesArrays fHits and
226 // fDigits, and for the TObjArray fITSpoints. It also zeros the variables
227 // fIshunt (a member of AliDetector class), fEuclidOut, and fIdN, and zeros
228 // the pointers fIdSens and fIdName. To help in displaying hits via the ROOT
229 // macro display.C AliITS also sets the marker color to red. The variables
230 // passes with this constructor, const char *name and *title, are used by
231 // the constructor of AliDetector class. See AliDetector class for a
232 // description of these parameters and its constructor functions.
fe4da5cc 233 //
58005f18 234
9c74c52b 235
58005f18 236 fHits = new TClonesArray("AliITShit", 1560);
1cedd08a 237 gAlice->AddHitList(fHits);
3bd79107 238
a8a6107b 239 fNDetTypes = kNTYPES;
e8189707 240
a8a6107b 241 fNdtype = new Int_t[kNTYPES];
242 fDtype = new TObjArray(kNTYPES);
e8189707 243
a8a6107b 244 fNctype = new Int_t[kNTYPES];
245 fCtype = new TObjArray(kNTYPES);
3bd79107 246
3bd79107 247
248 fRecPoints = 0;
249 fNRecPoints = 0;
250
e8189707 251 fTreeC = 0;
3bd79107 252
253 fITSmodules = 0;
58005f18 254
255 fIshunt = 0;
256 fEuclidOut = 0;
257 fIdN = 0;
258 fIdName = 0;
259 fIdSens = 0;
3bd79107 260
a8a6107b 261 fDetTypes = new TObjArray(kNTYPES);
3bd79107 262
263 Int_t i;
a8a6107b 264 for(i=0;i<kNTYPES;i++) {
3bd79107 265 (*fDetTypes)[i]=new AliITSDetType();
e8189707 266 fNdtype[i]=0;
267 fNctype[i]=0;
3bd79107 268 }
269 //
58005f18 270
fe4da5cc 271 SetMarkerColor(kRed);
58005f18 272
3bd79107 273 fITSgeom=0;
274}
275//___________________________________________________________________________
276AliITS::AliITS(AliITS &source){
e8189707 277 // copy constructor
3bd79107 278 if(this==&source) return;
d5da1ecf 279 Error("AliITS::Copy constructor",
280 "You are not allowed to make a copy of the AliITS");
3bd79107 281 exit(1);
fe4da5cc 282}
3bd79107 283//____________________________________________________________________________
284AliITS& AliITS::operator=(AliITS &source){
e8189707 285 // assignment operator
3bd79107 286 if(this==&source) return *this;
d5da1ecf 287 Error("AliITS::operator=",
288 "You are not allowed to make a copy of the AliITS");
3bd79107 289 exit(1);
e8189707 290 return *this; //fake return
3bd79107 291}
292//____________________________________________________________________________
293void AliITS::ClearModules(){
294 //clear the modules TObjArray
3bd79107 295
9c74c52b 296 if(fITSmodules) fITSmodules->Delete();
fe4da5cc 297
3bd79107 298}
fe4da5cc 299//_____________________________________________________________________________
58005f18 300AliITS::~AliITS(){
fe4da5cc 301 //
302 // Default distructor for ITS
58005f18 303 // The default destructor of the AliITS class. In addition to deleting
304 // the AliITS class it deletes the memory pointed to by the fHits, fDigits,
305 // fIdSens, fIdName, and fITSpoints.
fe4da5cc 306 //
3bd79107 307
308
fe4da5cc 309 delete fHits;
310 delete fDigits;
3bd79107 311 delete fRecPoints;
143d1056 312// delete fIdName; // TObjArray of TObjStrings
313 if(fIdName!=0) delete[] fIdName; // Array of TStrings
58005f18 314 if(fIdSens!=0) delete[] fIdSens;
3bd79107 315 if(fITSmodules!=0) {
316 this->ClearModules();
317 delete fITSmodules;
318 }// end if fITSmodules!=0
fe4da5cc 319
fe4da5cc 320 //
3bd79107 321 if(fDtype) {
9c74c52b 322 fDtype->Delete();
323 delete fDtype;
3bd79107 324 }
9c74c52b 325 delete [] fNdtype;
326 if (fCtype) {
327 fCtype->Delete();
328 delete fCtype;
3bd79107 329 }
9c74c52b 330 delete [] fNctype;
fe4da5cc 331 //
3bd79107 332
333 if (fDetTypes) {
334 fDetTypes->Delete();
335 delete fDetTypes;
336 }
337
338 if (fTreeC) delete fTreeC;
e8189707 339
9c74c52b 340 if (fITSgeom) delete fITSgeom;
341
3bd79107 342}
343
344//___________________________________________
345AliITSDetType* AliITS::DetType(Int_t id)
346{
347 //return pointer to id detector type
348 return ((AliITSDetType*) (*fDetTypes)[id]);
349
350}
351//___________________________________________
e8189707 352void AliITS::SetClasses(Int_t id, const char *digit, const char *cluster)
3bd79107 353{
354 //set the digit and cluster classes to be used for the id detector type
355 ((AliITSDetType*) (*fDetTypes)[id])->ClassNames(digit,cluster);
356
357}
358//___________________________________________
359void AliITS::SetResponseModel(Int_t id, AliITSresponse *response)
360{
361 //set the response model for the id detector type
362
363 ((AliITSDetType*) (*fDetTypes)[id])->ResponseModel(response);
364
fe4da5cc 365}
366
3bd79107 367//___________________________________________
368void AliITS::SetSegmentationModel(Int_t id, AliITSsegmentation *seg)
369{
370 //set the segmentation model for the id detector type
371
372 ((AliITSDetType*) (*fDetTypes)[id])->SegmentationModel(seg);
373
374}
375
376//___________________________________________
377void AliITS::SetSimulationModel(Int_t id, AliITSsimulation *sim)
378{
379 //set the simulation model for the id detector type
380
381 ((AliITSDetType*) (*fDetTypes)[id])->SimulationModel(sim);
382
383}
384//___________________________________________
385void AliITS::SetReconstructionModel(Int_t id, AliITSClusterFinder *reconst)
386{
387 //set the cluster finder model for the id detector type
388
389 ((AliITSDetType*) (*fDetTypes)[id])->ReconstructionModel(reconst);
58005f18 390
58005f18 391}
392
fe4da5cc 393//_____________________________________________________________________________
58005f18 394void AliITS::AddHit(Int_t track, Int_t *vol, Float_t *hits){
fe4da5cc 395 //
396 // Add an ITS hit
58005f18 397 // The function to add information to the AliITShit class. See the
398 // AliITShit class for a full description. This function allocates the
399 // necessary new space for the hit information and passes the variable
400 // track, and the pointers *vol and *hits to the AliITShit constructor
401 // function.
fe4da5cc 402 //
403 TClonesArray &lhits = *fHits;
404 new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
405}
3bd79107 406//_____________________________________________________________________________
407void AliITS::AddRealDigit(Int_t id, Int_t *digits)
408{
409 // add a real digit - as coming from data
410
411 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
412 new(ldigits[fNdtype[id]++]) AliITSdigit(digits);
413
414}
415//_____________________________________________________________________________
e8189707 416void AliITS::AddSimDigit(Int_t id, AliITSdigit *d)
3bd79107 417{
418
419 // add a simulated digit
420
3bd79107 421 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
422
423 switch(id)
424 {
425 case 0:
426 new(ldigits[fNdtype[id]++]) AliITSdigitSPD(*((AliITSdigitSPD*)d));
427 break;
428 case 1:
429 new(ldigits[fNdtype[id]++]) AliITSdigitSDD(*((AliITSdigitSDD*)d));
430 break;
431 case 2:
432 new(ldigits[fNdtype[id]++]) AliITSdigitSSD(*((AliITSdigitSSD*)d));
433 break;
434 }
435
436}
437
438//_____________________________________________________________________________
e8189707 439void AliITS::AddSimDigit(Int_t id,Float_t phys,Int_t *digits,Int_t *tracks,Int_t *hits,Float_t *charges){
3bd79107 440
441 // add a simulated digit to the list
442
443 TClonesArray &ldigits = *((TClonesArray*)(*fDtype)[id]);
444 switch(id)
445 {
446 case 0:
e8189707 447 new(ldigits[fNdtype[id]++]) AliITSdigitSPD(digits,tracks,hits);
3bd79107 448 break;
449 case 1:
e8189707 450 new(ldigits[fNdtype[id]++]) AliITSdigitSDD(phys,digits,tracks,hits,charges);
3bd79107 451 break;
452 case 2:
e8189707 453 new(ldigits[fNdtype[id]++]) AliITSdigitSSD(digits,tracks,hits);
3bd79107 454 break;
455 }
456
457}
458
459//_____________________________________________________________________________
460void AliITS::AddCluster(Int_t id, AliITSRawCluster *c)
461{
462
463 // add a cluster to the list
464
3bd79107 465 TClonesArray &lcl = *((TClonesArray*)(*fCtype)[id]);
466
467 switch(id)
468 {
469 case 0:
470 new(lcl[fNctype[id]++]) AliITSRawClusterSPD(*((AliITSRawClusterSPD*)c));
471 break;
472 case 1:
473 new(lcl[fNctype[id]++]) AliITSRawClusterSDD(*((AliITSRawClusterSDD*)c));
474 break;
475 case 2:
476 new(lcl[fNctype[id]++]) AliITSRawClusterSSD(*((AliITSRawClusterSSD*)c));
477 break;
478 }
479
480}
481
482
483//_____________________________________________________________________________
484void AliITS::AddRecPoint(const AliITSRecPoint &r)
485{
486 //
487 // Add a reconstructed space point to the list
488 //
489 TClonesArray &lrecp = *fRecPoints;
490 new(lrecp[fNRecPoints++]) AliITSRecPoint(r);
491}
492
493
494//____________________________________________
495void AliITS::ResetDigits()
496{
497 //
9c74c52b 498 // Reset number of digits and the digits array for the ITS detector
3bd79107 499 //
500
501 if (!fDtype) return;
502
503 Int_t i;
a8a6107b 504 for (i=0;i<kNTYPES;i++ ) {
3bd79107 505 if ((*fDtype)[i]) ((TClonesArray*)(*fDtype)[i])->Clear();
506 if (fNdtype) fNdtype[i]=0;
507 }
508}
509
510//____________________________________________
511void AliITS::ResetDigits(Int_t i)
512{
513 //
514 // Reset number of digits and the digits array for this branch
515 //
e8189707 516 if ((*fDtype)[i]) ((TClonesArray*)(*fDtype)[i])->Clear();
517 if (fNdtype) fNdtype[i]=0;
3bd79107 518}
e8189707 519
520
3bd79107 521//____________________________________________
522void AliITS::ResetClusters()
523{
524 //
525 // Reset number of clusters and the clusters array for ITS
526 //
527
528 Int_t i;
a8a6107b 529 for (i=0;i<kNTYPES;i++ ) {
3bd79107 530 if ((*fCtype)[i]) ((TClonesArray*)(*fCtype)[i])->Clear();
531 if (fNctype) fNctype[i]=0;
532 }
533
534}
e8189707 535
3bd79107 536//____________________________________________
537void AliITS::ResetClusters(Int_t i)
538{
539 //
540 // Reset number of clusters and the clusters array for this branch
541 //
542 if ((*fCtype)[i]) ((TClonesArray*)(*fCtype)[i])->Clear();
543 if (fNctype) fNctype[i]=0;
544
545}
546
547
548//____________________________________________
549void AliITS::ResetRecPoints()
550{
551 //
552 // Reset number of rec points and the rec points array
553 //
3bd79107 554 if (fRecPoints) fRecPoints->Clear();
9c74c52b 555 fNRecPoints = 0;
3bd79107 556
557}
558
fe4da5cc 559//_____________________________________________________________________________
58005f18 560Int_t AliITS::DistancetoPrimitive(Int_t , Int_t ){
fe4da5cc 561 //
562 // Distance from mouse to ITS on the screen. Dummy routine
58005f18 563 // A dummy routine used by the ROOT macro display.C to allow for the
564 // use of the mouse (pointing device) in the macro. In general this should
565 // never be called. If it is it returns the number 9999 for any value of
566 // x and y.
fe4da5cc 567 //
568 return 9999;
569}
570
571//_____________________________________________________________________________
58005f18 572void AliITS::Init(){
fe4da5cc 573 //
574 // Initialise ITS after it has been built
58005f18 575 // This routine initializes the AliITS class. It is intended to be called
576 // from the Init function in AliITSv?. Besides displaying a banner
3bd79107 577 // indicating that it has been called it initializes the array fIdSens
578 // and sets the default segmentation, response, digit and raw cluster classes
58005f18 579 // Therefore it should be called after a call to CreateGeometry.
fe4da5cc 580 //
581 Int_t i;
143d1056 582
143d1056 583//
584 SetDefaults();
143d1056 585// Array of TStrings
58005f18 586 for(i=0;i<fIdN;i++) fIdSens[i] = gMC->VolId(fIdName[i]);
143d1056 587//
fe4da5cc 588}
589
3bd79107 590//_____________________________________________________________________________
591void AliITS::SetDefaults()
592{
593 // sets the default segmentation, response, digit and raw cluster classes
594
65d4384f 595 printf("SetDefaults\n");
3bd79107 596
597 AliITSDetType *iDetType;
598
65d4384f 599
3bd79107 600 //SPD
601
65d4384f 602 iDetType=DetType(0);
143d1056 603 if (!iDetType->GetSegmentationModel()) {
65d4384f 604 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
605 SetSegmentationModel(0,seg0);
606 }
607 if (!iDetType->GetResponseModel()) {
608 SetResponseModel(0,new AliITSresponseSPD());
609 }
3bd79107 610 // set digit and raw cluster classes to be used
65d4384f 611
612 const char *kData0=(iDetType->GetResponseModel())->DataType();
e8189707 613 if (strstr(kData0,"real")) {
3bd79107 614 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSPD");
615 } else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
616
65d4384f 617 // SDD //
618 iDetType=DetType(1);
619 if (!iDetType->GetResponseModel()) {
620 SetResponseModel(1,new AliITSresponseSDD());
621 }
622 AliITSresponse *resp1=iDetType->GetResponseModel();
143d1056 623 if (!iDetType->GetSegmentationModel()) {
65d4384f 624 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
143d1056 625 SetSegmentationModel(1,seg1);
143d1056 626 }
65d4384f 627 const char *kData1=(iDetType->GetResponseModel())->DataType();
628 const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
e8189707 629 if ((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ) {
3bd79107 630 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
631 } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
632
633 // SSD
65d4384f 634 iDetType=DetType(2);
143d1056 635 if (!iDetType->GetSegmentationModel()) {
65d4384f 636 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
143d1056 637 SetSegmentationModel(2,seg2);
65d4384f 638 }
639 if (!iDetType->GetResponseModel()) {
640 SetResponseModel(2,new AliITSresponseSSD());
641 }
642 const char *kData2=(iDetType->GetResponseModel())->DataType();
e8189707 643 if (strstr(kData2,"real")) {
3bd79107 644 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSSD");
645 } else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
646
a8a6107b 647 if (kNTYPES>3) {
3bd79107 648 Warning("SetDefaults","Only the three basic detector types are initialised!");
65d4384f 649 }
3bd79107 650
651}
65d4384f 652
653
654
e8189707 655//_____________________________________________________________________________
656void AliITS::SetDefaultSimulation()
657{
658 // to be written
659
660}
661//_____________________________________________________________________________
662void AliITS::SetDefaultClusterFinders()
663{
664 // to be written
665
666}
3bd79107 667//_____________________________________________________________________________
668
669void AliITS::MakeTreeC(Option_t *option)
670{
671 // create a separate tree to store the clusters
672
d5da1ecf 673 cout << "AliITS::MakeTreeC" << endl;
9c74c52b 674
3bd79107 675 char *optC = strstr(option,"C");
676 if (optC && !fTreeC) fTreeC = new TTree("TC","Clusters in ITS");
9c74c52b 677 else return;
3bd79107 678
679 Int_t buffersize = 4000;
680 char branchname[30];
681
04874c1a 682 const char *det[3] = {"SPD","SDD","SSD"};
3bd79107 683
684 // one branch for Clusters per type of detector
685 Int_t i;
a8a6107b 686 for (i=0; i<kNTYPES ;i++) {
687 if (kNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
3bd79107 688 else sprintf(branchname,"%sClusters%d",GetName(),i+1);
689 if (fCtype && fTreeC) {
690 TreeC()->Branch(branchname,&((*fCtype)[i]), buffersize);
d5da1ecf 691 cout << "Making Branch " << branchname;
692 cout << " for Clusters of detector type " << i+1 << endl;
3bd79107 693 }
694 }
695
696}
697
698//_____________________________________________________________________________
699void AliITS::GetTreeC(Int_t event)
700{
701
d5da1ecf 702 cout << "AliITS::GetTreeC" << endl;
9c74c52b 703
3bd79107 704 // get the clusters tree for this event and set the branch address
705 char treeName[20];
706 char branchname[30];
707
04874c1a 708 const char *det[3] = {"SPD","SDD","SSD"};
3bd79107 709
710 ResetClusters();
711 if (fTreeC) {
712 delete fTreeC;
713 }
714
715 sprintf(treeName,"TreeC%d",event);
716 fTreeC = (TTree*)gDirectory->Get(treeName);
717
718
719 TBranch *branch;
720 if (fTreeC) {
721 Int_t i;
a8a6107b 722 for (i=0; i<kNTYPES; i++) {
723 if (kNTYPES==3) sprintf(branchname,"%sClusters%s",GetName(),det[i]);
e8189707 724 else sprintf(branchname,"%sClusters%d",GetName(),i+1);
725 if (fCtype) {
3bd79107 726 branch = fTreeC->GetBranch(branchname);
727 if (branch) branch->SetAddress(&((*fCtype)[i]));
728 }
729 }
730 } else {
d5da1ecf 731 Error("AliITS::GetTreeC",
732 "cannot find Clusters Tree for event:%d\n",event);
3bd79107 733 }
734
735}
fe4da5cc 736//_____________________________________________________________________________
2ab0c725 737void AliITS::MakeBranch(Option_t* option, char *file)
738{
fe4da5cc 739 //
3bd79107 740 // Creates Tree branches for the ITS.
fe4da5cc 741 //
2ab0c725 742 //
fe4da5cc 743 Int_t buffersize = 4000;
3bd79107 744 char branchname[30];
fe4da5cc 745 sprintf(branchname,"%s",GetName());
746
2ab0c725 747 AliDetector::MakeBranch(option,file);
fe4da5cc 748
2ab0c725 749 char *cD = strstr(option,"D");
750 char *cR = strstr(option,"R");
fe4da5cc 751
2ab0c725 752 if (cD) {
753 //
754 // one branch for digits per type of detector
755 //
04874c1a 756 const char *det[3] = {"SPD","SDD","SSD"};
3bd79107 757
e8189707 758 char digclass[40];
759 char clclass[40];
3bd79107 760
761 Int_t i;
a8a6107b 762 for (i=0; i<kNTYPES ;i++) {
3bd79107 763 AliITSDetType *iDetType=DetType(i);
e8189707 764 iDetType->GetClassNames(digclass,clclass);
765 //printf("i, digclass, recclass %d %s %s\n",i,digclass,clclass);
3bd79107 766 // digits
e8189707 767 (*fDtype)[i] = new TClonesArray(digclass,10000);
3bd79107 768 // clusters
e8189707 769 (*fCtype)[i] = new TClonesArray(clclass,10000);
3bd79107 770 }
771
a8a6107b 772 for (i=0; i<kNTYPES ;i++) {
773 if (kNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
2ab0c725 774 else sprintf(branchname,"%sDigits%d",GetName(),i+1);
775 if (fDtype && gAlice->TreeD()) {
776 gAlice->MakeBranchInTree(gAlice->TreeD(),
777 branchname, &((*fDtype)[i]), buffersize, file) ;
778 cout << "Making Branch " << branchname;
779 cout << " for digits of type "<< i+1 << endl;
3bd79107 780 }
2ab0c725 781 }
3bd79107 782 }
783
2ab0c725 784 if (cR) {
785 //
3bd79107 786 // only one branch for rec points for all detector types
2ab0c725 787 //
788 sprintf(branchname,"%sRecPoints",GetName());
789
790 fRecPoints=new TClonesArray("AliITSRecPoint",10000);
3bd79107 791
2ab0c725 792 if (fRecPoints && gAlice->TreeR()) {
793 gAlice->MakeBranchInTree(gAlice->TreeR(),
794 branchname, &fRecPoints, buffersize, file) ;
795 cout << "Making Branch " << branchname;
796 cout << " for reconstructed space points" << endl;
797 }
3bd79107 798 }
3bd79107 799}
800
801//___________________________________________
802void AliITS::SetTreeAddress()
803{
804
805 // Set branch address for the Trees.
806
807 char branchname[30];
808 AliDetector::SetTreeAddress();
809
04874c1a 810 const char *det[3] = {"SPD","SDD","SSD"};
3bd79107 811
812 TBranch *branch;
813 TTree *treeD = gAlice->TreeD();
814 TTree *treeR = gAlice->TreeR();
815
816 Int_t i;
817 if (treeD) {
a8a6107b 818 for (i=0; i<kNTYPES; i++) {
819 if (kNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
3bd79107 820 else sprintf(branchname,"%sDigits%d",GetName(),i+1);
821 if (fDtype) {
822 branch = treeD->GetBranch(branchname);
823 if (branch) branch->SetAddress(&((*fDtype)[i]));
824 }
825 }
826 }
827
828
829 if (treeR) {
830 sprintf(branchname,"%sRecPoints",GetName());
831 if (fRecPoints) {
832 branch = treeR->GetBranch(branchname);
833 if (branch) branch->SetAddress(&fRecPoints);
834 }
835 }
836
837
838}
839
840//____________________________________________________________________________
841void AliITS::InitModules(Int_t size,Int_t &nmodules){
842
843 //initialize the modules array
844
e8189707 845 if(fITSmodules){
9c74c52b 846 fITSmodules->Delete();
e8189707 847 delete fITSmodules;
848 }
849
3bd79107 850 Int_t nl,indexMAX,index;
3bd79107 851
852 if(size<=0){ // default to using data stored in AliITSgeom
853 if(fITSgeom==0) {
d5da1ecf 854 Error("AliITS::InitModules",
855 "in AliITS::InitModule fITSgeom not defined\n");
3bd79107 856 return;
857 } // end if fITSgeom==0
858 nl = fITSgeom->GetNlayers();
859 indexMAX = fITSgeom->GetModuleIndex(nl,fITSgeom->GetNladders(nl),
860 fITSgeom->GetNdetectors(nl))+1;
861 nmodules = indexMAX;
862 fITSmodules = new TObjArray(indexMAX);
3bd79107 863 for(index=0;index<indexMAX;index++){
3bd79107 864 fITSmodules->AddAt( new AliITSmodule(index),index);
3bd79107 865 } // end for index
866 }else{
867 fITSmodules = new TObjArray(size);
9c74c52b 868 for(index=0;index<size;index++) {
869 fITSmodules->AddAt( new AliITSmodule(index),index);
870 }
871
3bd79107 872 nmodules = size;
873 } // end i size<=0
874}
875
876//____________________________________________________________________________
e8189707 877void AliITS::FillModules(Int_t evnt,Int_t bgrev,Int_t nmodules,Option_t *option,Text_t *filename){
3bd79107 878
879 // fill the modules with the sorted by module hits; add hits from background
880 // if option=Add
881
9c74c52b 882
3bd79107 883 static TTree *trH1; //Tree with background hits
884 static TClonesArray *fHits2; //List of hits for one track only
885
886 static Bool_t first=kTRUE;
887 static TFile *file;
e8189707 888 char *addBgr = strstr(option,"Add");
3bd79107 889
890
e8189707 891 if (addBgr ) {
3bd79107 892 if(first) {
893 cout<<"filename "<<filename<<endl;
894 file=new TFile(filename);
895 cout<<"I have opened "<<filename<<" file "<<endl;
896 fHits2 = new TClonesArray("AliITShit",1000 );
897 }
898 first=kFALSE;
899 file->cd();
900 file->ls();
901 // Get Hits Tree header from file
902 if(fHits2) fHits2->Clear();
903 if(trH1) delete trH1;
904 trH1=0;
905
906 char treeName[20];
907 sprintf(treeName,"TreeH%d",bgrev);
908 trH1 = (TTree*)gDirectory->Get(treeName);
909 //printf("TrH1 %p of treename %s for event %d \n",trH1,treeName,bgrev);
910
911 if (!trH1) {
d5da1ecf 912 Error("AliITS::FillModules",
913 "cannot find Hits Tree for event:%d\n",bgrev);
3bd79107 914 }
915 // Set branch addresses
916 TBranch *branch;
917 char branchname[20];
918 sprintf(branchname,"%s",GetName());
919 if (trH1 && fHits2) {
920 branch = trH1->GetBranch(branchname);
921 if (branch) branch->SetAddress(&fHits2);
922 }
923
924 // test
925 //Int_t ntracks1 =(Int_t)TrH1->GetEntries();
926 //printf("background - ntracks1 - %d\n",ntracks1);
927 }
928
2ab0c725 929 //Int_t npart = gAlice->GetEvent(evnt);
930 //if(npart<=0) return;
3bd79107 931 TClonesArray *itsHits = this->Hits();
932 Int_t lay,lad,det,index;
933 AliITShit *itsHit=0;
934 AliITSmodule *mod=0;
935
936 TTree *iTH = gAlice->TreeH();
937 Int_t ntracks =(Int_t) iTH->GetEntries();
938
939 Int_t t,h;
940 for(t=0; t<ntracks; t++){
941 gAlice->ResetHits();
942 iTH->GetEvent(t);
943 Int_t nhits = itsHits->GetEntriesFast();
9c74c52b 944 //printf("nhits %d\n",nhits);
3bd79107 945 if (!nhits) continue;
3bd79107 946 for(h=0; h<nhits; h++){
947 itsHit = (AliITShit *)itsHits->UncheckedAt(h);
948 itsHit->GetDetectorID(lay,lad,det);
9c74c52b 949 // temporarily index=det-1 !!!
950 if(fITSgeom) index = fITSgeom->GetModuleIndex(lay,lad,det);
951 else index=det-1;
952 //
3bd79107 953 mod = this->GetModule(index);
9c74c52b 954 mod->AddHit(itsHit,t,h);
3bd79107 955 } // end loop over hits
956 } // end loop over tracks
957
958 // open the file with background
959
e8189707 960 if (addBgr ) {
961 Int_t track,i;
3bd79107 962 ntracks =(Int_t)trH1->GetEntries();
963 //printf("background - ntracks1 %d\n",ntracks);
964 //printf("background - Start loop over tracks \n");
965 // Loop over tracks
966
e8189707 967 for (track=0; track<ntracks; track++) {
3bd79107 968
969 if (fHits2) fHits2->Clear();
970 trH1->GetEvent(track);
971 // Loop over hits
972 for(i=0;i<fHits2->GetEntriesFast();++i) {
973
974 itsHit=(AliITShit*) (*fHits2)[i];
975 itsHit->GetDetectorID(lay,lad,det);
9c74c52b 976 // temporarily index=det-1 !!!
977 if(fITSgeom) index = fITSgeom->GetModuleIndex(lay,lad,det);
978 else index=det-1;
979 //
3bd79107 980 mod = this->GetModule(index);
9c74c52b 981 mod->AddHit(itsHit,track,i);
3bd79107 982 } // end loop over hits
983 } // end loop over tracks
984
985 TTree *fAli=gAlice->TreeK();
986 TFile *fileAli=0;
987
988 if (fAli) fileAli =fAli->GetCurrentFile();
9c74c52b 989 fileAli->cd();
3bd79107 990
991 } // end if add
992
3bd79107 993 //gObjectTable->Print();
994
995}
996
2ab0c725 997//____________________________________________________________________________
998
999void AliITS::SDigits2Digits()
1000{
1001
1002 AliITSgeom *geom = GetITSgeom();
1003
1004 // SPD
1005 AliITSDetType *iDetType;
1006 iDetType=DetType(0);
1007 AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType->GetSegmentationModel();
1008 AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel();
1009 AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0);
1010 SetSimulationModel(0,sim0);
1011 // test
1012 // printf("SPD dimensions %f %f \n",seg0->Dx(),seg0->Dz());
1013 // printf("SPD npixels %d %d \n",seg0->Npz(),seg0->Npx());
1014 // printf("SPD pitches %d %d \n",seg0->Dpz(0),seg0->Dpx(0));
1015 // end test
1016 //
1017 // SDD
1018 //Set response functions
1019 Float_t baseline = 10.;
1020 Float_t noise = 1.75;
1021
1022 // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable, 2 fTolerance
1023
1024 iDetType=DetType(1);
1025 AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel();
1026 if (!res1) {
1027 res1=new AliITSresponseSDD();
1028 SetResponseModel(1,res1);
1029 }
1030 res1->SetMagicValue(900.);
1031 Float_t maxadc = res1->MaxAdc();
1032 Float_t topValue = res1->MagicValue();
1033 Float_t norm = maxadc/topValue;
1034
1035 Float_t fCutAmp = baseline + 2.*noise;
1036 fCutAmp *= norm;
1037 Int_t cp[8]={0,0,(int)fCutAmp,(int)fCutAmp,0,0,0,0}; //1D
1038
1039 //res1->SetZeroSupp("2D");
1040 res1->SetZeroSupp("1D");
1041 res1->SetNoiseParam(noise,baseline);
1042 res1->SetDo10to8(kTRUE);
1043 res1->SetCompressParam(cp);
1044 res1->SetMinVal(4);
1045 res1->SetDiffCoeff(3.6,40.);
1046 //res1->SetMagicValue(96.95);
1047 AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel();
1048 if (!seg1) {
1049 seg1 = new AliITSsegmentationSDD(geom,res1);
1050 SetSegmentationModel(1,seg1);
1051 }
1052 AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
1053 sim1->SetDoFFT(1);
1054 sim1->SetCheckNoise(kFALSE);
1055 SetSimulationModel(1,sim1);
1056
1057 // SSD
1058 iDetType=DetType(2);
1059 AliITSsegmentationSSD *seg2=(AliITSsegmentationSSD*)iDetType->GetSegmentationModel();
1060 AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel();
1061 res2->SetSigmaSpread(3.,2.);
1062 AliITSsimulationSSD *sim2=new AliITSsimulationSSD(seg2,res2);
1063 SetSimulationModel(2,sim2);
1064
1065 cerr<<"Digitizing ITS...\n";
1066
1067 TStopwatch timer;
1068 timer.Start();
1069 HitsToDigits(0,0,-1," ","All"," ");
1070 timer.Stop(); timer.Print();
1071
1072 delete sim0;
1073 delete sim1;
1074 delete sim2;
1075}
1076
3bd79107 1077
1078//____________________________________________________________________________
e8189707 1079void AliITS::HitsToDigits(Int_t evNumber,Int_t bgrev,Int_t size, Option_t *option, Option_t *opt,Text_t *filename)
3bd79107 1080{
1081 // keep galice.root for signal and name differently the file for
1082 // background when add! otherwise the track info for signal will be lost !
1083
9c74c52b 1084 // the condition below will disappear when the geom class will be
1085 // initialised for all versions - for the moment it is only for v5 !
1086 // 7 is the SDD beam test version
1087 Int_t ver = this->IsVersion();
1088 if(ver!=5 && ver!=7) return;
1089
3bd79107 1090 char *all = strstr(opt,"All");
1091 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
3bd79107 1092
1093 Int_t nmodules;
1094 InitModules(size,nmodules);
e8189707 1095 FillModules(evNumber,bgrev,nmodules,option,filename);
3bd79107 1096
9c74c52b 1097 //TBranch *branch;
3bd79107 1098 AliITSsimulation* sim;
9c74c52b 1099 //TObjArray *branches=gAlice->TreeD()->GetListOfBranches();
3bd79107 1100 AliITSgeom *geom = GetITSgeom();
1101
1102 Int_t id,module;
9c74c52b 1103 Int_t first,last;
a8a6107b 1104 for (id=0;id<kNTYPES;id++) {
3bd79107 1105 if (!all && !det[id]) continue;
9c74c52b 1106 //branch = (TBranch*)branches->UncheckedAt(id);
3bd79107 1107 AliITSDetType *iDetType=DetType(id);
1108 sim = (AliITSsimulation*)iDetType->GetSimulationModel();
1109 if (!sim) {
1110 Error("HitsToDigits","The simulation class was not instantiated!");
1111 exit(1);
e8189707 1112 // or SetDefaultSimulation();
3bd79107 1113 }
9c74c52b 1114 if(geom) {
1115 first = geom->GetStartDet(id);
1116 last = geom->GetLastDet(id);
1117 } else first=last=0;
d5da1ecf 1118 cout << "det type " << id << " first, last "<< first << last << endl;
3bd79107 1119 for(module=first;module<=last;module++) {
1120 AliITSmodule *mod = (AliITSmodule *)fITSmodules->At(module);
1121 sim->DigitiseModule(mod,module,evNumber);
1122 // fills all branches - wasted disk space
1123 gAlice->TreeD()->Fill();
1124 ResetDigits();
1125 // try and fill only the branch
1126 //branch->Fill();
1127 //ResetDigits(id);
1128 } // loop over modules
1129 } // loop over detector types
1130
3bd79107 1131 ClearModules();
1132
e8189707 1133 Int_t nentries=(Int_t)gAlice->TreeD()->GetEntries();
d5da1ecf 1134 cout << "nentries in TreeD" << nentries << endl;
3bd79107 1135
1136 char hname[30];
1137 sprintf(hname,"TreeD%d",evNumber);
2ab0c725 1138 gAlice->TreeD()->Write(hname,TObject::kOverwrite);
3bd79107 1139 // reset tree
1140 gAlice->TreeD()->Reset();
1141
1142}
1143
1144
1145//____________________________________________________________________________
1146void AliITS::DigitsToRecPoints(Int_t evNumber,Int_t lastentry,Option_t *opt)
1147{
e8189707 1148 // cluster finding and reconstruction of space points
3bd79107 1149
9c74c52b 1150 // the condition below will disappear when the geom class will be
1151 // initialised for all versions - for the moment it is only for v5 !
1152 // 7 is the SDD beam test version
1153 Int_t ver = this->IsVersion();
1154 if(ver!=5 && ver!=7) return;
1155
3bd79107 1156 char *all = strstr(opt,"All");
1157 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
1158
1159 static Bool_t first=kTRUE;
1160 if (first) {
1161 MakeTreeC("C");
1162 first=kFALSE;
1163 }
3bd79107 1164
9c74c52b 1165 TTree *iTC=TreeC();
1166
1167 //TBranch *branch;
3bd79107 1168 AliITSClusterFinder* rec;
1169
9c74c52b 1170 //TObjArray *branches=gAlice->TreeR()->GetListOfBranches();
3bd79107 1171 AliITSgeom *geom = GetITSgeom();
1172
1173 Int_t id,module;
a8a6107b 1174 for (id=0;id<kNTYPES;id++) {
3bd79107 1175 if (!all && !det[id]) continue;
9c74c52b 1176 //branch = (TBranch*)branches->UncheckedAt(id);
3bd79107 1177 AliITSDetType *iDetType=DetType(id);
1178 rec = (AliITSClusterFinder*)iDetType->GetReconstructionModel();
1179 if (!rec) {
1180 Error("DigitsToRecPoints","The cluster finder class was not instantiated!");
1181 exit(1);
e8189707 1182 // or SetDefaultClusterFinders();
3bd79107 1183 }
1184 TClonesArray *itsDigits = this->DigitsAddress(id);
1185
9c74c52b 1186 Int_t first,last;
1187 if(geom) {
1188 first = geom->GetStartDet(id);
1189 last = geom->GetLastDet(id);
1190 } else first=last=0;
1191 //printf("first last %d %d\n",first,last);
3bd79107 1192 for(module=first;module<=last;module++) {
3bd79107 1193 this->ResetDigits();
1194 if (all) gAlice->TreeD()->GetEvent(lastentry+module);
1195 else gAlice->TreeD()->GetEvent(lastentry+(module-first));
1196 Int_t ndigits = itsDigits->GetEntriesFast();
1197 if (ndigits) rec->FindRawClusters();
1198 gAlice->TreeR()->Fill();
1199 ResetRecPoints();
1200 iTC->Fill();
1201 ResetClusters();
1202 // try and fill only the branch
1203 //branch->Fill();
1204 //ResetRecPoints(id);
1205 } // loop over modules
1206 } // loop over detector types
1207
1208
e8189707 1209 Int_t nentries=(Int_t)gAlice->TreeR()->GetEntries();
1210 Int_t ncentries=(Int_t)iTC->GetEntries();
d5da1ecf 1211 cout << " nentries ncentries " << nentries << ncentries << endl;
3bd79107 1212
1213 char hname[30];
1214 sprintf(hname,"TreeR%d",evNumber);
2ab0c725 1215 gAlice->TreeR()->Write(hname,TObject::kOverwrite);
3bd79107 1216 // reset tree
1217 gAlice->TreeR()->Reset();
1218
1219 sprintf(hname,"TreeC%d",evNumber);
1220 iTC->Write(hname);
1221 iTC->Reset();
1222}
1223
1224
1225//____________________________________________________________________________
e8189707 1226void AliITS::HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
3bd79107 1227Option_t *option,Option_t *opt,Text_t *filename)
1228{
1229 // keep galice.root for signal and name differently the file for
1230 // background when add! otherwise the track info for signal will be lost !
1231
9c74c52b 1232
1233 // the condition below will disappear when the geom class will be
1234 // initialised for all versions - for the moment it is only for v5 !
1235 Int_t ver = this->IsVersion();
1236 if(ver!=5) return;
1237
3bd79107 1238 char *all = strstr(opt,"All");
1239 char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),strstr(opt,"SSD")};
1240
1241 Int_t nmodules;
e8189707 1242 InitModules(size,nmodules);
1243 FillModules(evNumber,bgrev,nmodules,option,filename);
3bd79107 1244
1245
e8189707 1246 AliITSsimulation* sim;
3bd79107 1247 AliITSgeom *geom = GetITSgeom();
1248
e8189707 1249 TRandom *random=new TRandom[9];
1250 random[0].SetSeed(111);
1251 random[1].SetSeed(222);
1252 random[2].SetSeed(333);
1253 random[3].SetSeed(444);
1254 random[4].SetSeed(555);
1255 random[5].SetSeed(666);
1256 random[6].SetSeed(777);
1257 random[7].SetSeed(888);
1258 random[8].SetSeed(999);
1259
1260
3bd79107 1261 Int_t id,module;
a8a6107b 1262 for (id=0;id<kNTYPES;id++) {
3bd79107 1263 if (!all && !det[id]) continue;
e8189707 1264 AliITSDetType *iDetType=DetType(id);
1265 sim = (AliITSsimulation*)iDetType->GetSimulationModel();
1266 if (!sim) {
1267 Error("HitsToFastPoints","The simulation class was not instantiated!");
1268 exit(1);
1269 // or SetDefaultSimulation();
1270 }
3bd79107 1271 Int_t first = geom->GetStartDet(id);
1272 Int_t last = geom->GetLastDet(id);
1273 for(module=first;module<=last;module++) {
1274 AliITSmodule *mod = (AliITSmodule *)fITSmodules->At(module);
e8189707 1275 sim->CreateFastRecPoints(mod,module,random);
3bd79107 1276 gAlice->TreeR()->Fill();
1277 ResetRecPoints();
1278 } // loop over modules
1279 } // loop over detector types
1280
1281
1282 ClearModules();
1283
1284 //Int_t nentries=(Int_t)gAlice->TreeR()->GetEntries();
1285
1286 char hname[30];
1287 sprintf(hname,"TreeR%d",evNumber);
2ab0c725 1288 gAlice->TreeR()->Write(hname,TObject::kOverwrite);
3bd79107 1289 // reset tree
1290 gAlice->TreeR()->Reset();
1291
e8189707 1292 delete [] random;
1293
fe4da5cc 1294}
1295
55b5a0b3 1296//________________________________________________________________
1297
1298AliITStrack AliITS::Tracking(AliITStrack &track, AliITStrack *reference,TObjArray *fastpoints, Int_t
1299**vettid, Bool_t flagvert ) {
1300
1301//Origin A. Badala' and G.S. Pappalardo: e-mail Angela.Badala@ct.infn.it, Giuseppe.S.Pappalardo@ct.infn.it
1302
cc6e75dd 1303
55b5a0b3 1304 TList *list= new TList();
1305
1306 AliITStrack tr(track);
cc6e75dd 1307
55b5a0b3 1308 list->AddLast(&tr);
1309
1310 Double_t Pt=(tr).GetPt();
1311 //cout << "\n Pt = " << Pt <<"\n";
1312
55b5a0b3 1313 AliITStracking obj(list, reference, this, fastpoints,TMath::Abs(Pt),vettid, flagvert);
1314 list->Delete();
1315 delete list;
1316
1317 Int_t itot=-1;
1318 TVector VecTotLabref(18);
cc6e75dd 1319 Int_t lay, k;
1320 for(lay=5; lay>=0; lay--) {
55b5a0b3 1321 TVector VecLabref(3);
1322 VecLabref=(*reference).GetLabTrack(lay);
cc6e75dd 1323 for(k=0; k<3; k++) {itot++; VecTotLabref(itot)=VecLabref(k);}
55b5a0b3 1324 }
1325 Long_t labref;
1326 Int_t freq;
1327 (*reference).Search(VecTotLabref, labref, freq);
1328
1329 if(freq < 5) labref=-labref;
1330 (*reference).SetLabel(labref);
1331
1332 return *reference;
1333
1334}
1335
1336
1337
1338//________________________________________________________________
1339
1340
1341
1342void AliITS::DoTracking(Int_t evNumber, Int_t min_t, Int_t max_t, TFile *file, Bool_t flagvert) {
1343
1344// ex macro for tracking ITS
1345
1346 printf("begin DoTracking - file %p\n",file);
1347
1348 const char *pname="75x40_100x60";
1349
1350 struct GoodTrack {
1351 Int_t lab,code;
1352 Float_t px,py,pz,x,y,z,pxg,pyg,pzg,ptg;
1353 Bool_t flag;
1354 };
1355
1356
1357 gAlice->GetEvent(0);
1358
1359 AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
1360 AliTPCParam *digp = (AliTPCParam*)file->Get(pname);
1361 if (digp!=0) TPC->SetParam(digp);
1362
1363 GoodTrack gt[7000];
1364 Int_t ngood=0;
1365 ifstream in("good_tracks");
1366
1367 cerr<<"Reading good tracks...\n";
1368 while (in>>gt[ngood].lab>>gt[ngood].code
1369 >>gt[ngood].px >>gt[ngood].py>>gt[ngood].pz
1370 >>gt[ngood].x >>gt[ngood].y >>gt[ngood].z
1371 >>gt[ngood].pxg >>gt[ngood].pyg >>gt[ngood].pzg
1372 >>gt[ngood].ptg >>gt[ngood].flag) {
1373 ngood++;
1374 cerr<<ngood<<'\r';
1375 if (ngood==7000) {
1376 cerr<<"Too many good tracks !\n";
1377 break;
1378 }
1379 }
1380 if (!in.eof()) cerr<<"Read error (good_tracks) !\n";
1381
1382
1383// Load tracks
1384 TFile *tf=TFile::Open("tpctracks.root");
1385 if (!tf->IsOpen()) {cerr<<"Can't open tpctracks.root !\n"; return ;}
1386 TObjArray tracks(200000);
1387 TTree *tracktree=(TTree*)tf->Get("TreeT");
1388 TBranch *tbranch=tracktree->GetBranch("tracks");
1389 Int_t nentr=(Int_t)tracktree->GetEntries();
cc6e75dd 1390 Int_t kk;
1391 for (kk=0; kk<nentr; kk++) {
55b5a0b3 1392 AliTPCtrack *iotrack=new AliTPCtrack;
1393 tbranch->SetAddress(&iotrack);
cc6e75dd 1394 tracktree->GetEvent(kk);
55b5a0b3 1395 tracks.AddLast(iotrack);
1396 }
1397 tf->Close();
1398
1399
1400 Int_t nt = tracks.GetEntriesFast();
1401 cerr<<"Number of found tracks "<<nt<<endl;
1402
1403 TVector DataOut(9);
1404 Int_t kkk=0;
1405
1406 Double_t ptg=0.,pxg=0.,pyg=0.,pzg=0.;
1407
1408 ////////////////////////////// good tracks definition in TPC ////////////////////////////////
1409
1410 ofstream out1 ("AliITSTrag.out");
cc6e75dd 1411 Int_t i;
1412 for (i=0; i<ngood; i++) out1 << gt[i].ptg << "\n";
55b5a0b3 1413 out1.close();
1414
1415
1416 TVector vec(5);
1417 TTree *TR=gAlice->TreeR();
1418 Int_t nent=(Int_t)TR->GetEntries();
1419 TClonesArray *recPoints = RecPoints();
1420 Int_t numbpoints;
1421 Int_t totalpoints=0;
1422 Int_t *np = new Int_t[nent];
1423 Int_t **vettid = new Int_t* [nent];
cc6e75dd 1424 Int_t mod;
1425 for (mod=0; mod<nent; mod++) {
55b5a0b3 1426 vettid[mod]=0;
1427 this->ResetRecPoints();
1428 gAlice->TreeR()->GetEvent(mod+1); //first entry in TreeR is empty
1429 numbpoints = recPoints->GetEntries();
1430 totalpoints+=numbpoints;
1431 np[mod] = numbpoints;
1432 //cout<<" mod = "<<mod<<" numbpoints = "<<numbpoints<<"\n"; getchar();
1433 vettid[mod] = new Int_t[numbpoints];
cc6e75dd 1434 Int_t ii;
1435 for (ii=0;ii<numbpoints; ii++) *(vettid[mod]+ii)=0;
55b5a0b3 1436 }
1437
1438 AliTPCtrack *track;
1439
1440
1441 if(min_t < 0) {min_t = 0; max_t = nt-1;}
1442
1443/*
1444 ///////////////////////////////// Definition of vertex end its error ////////////////////////////
1445 ////////////////////////// In the future it will be given by a method ///////////////////////////
1446 Double_t Vx=0.;
1447 Double_t Vy=0.;
1448 Double_t Vz=0.;
1449
1450 Float_t sigmavx=0.0050; // 50 microns
1451 Float_t sigmavy=0.0050; // 50 microns
1452 Float_t sigmavz=0.010; // 100 microns
1453
1454 //Vx+=gRandom->Gaus(0,sigmavx); Vy+=gRandom->Gaus(0,sigmavy); Vz+=gRandom->Gaus(0,sigmavz);
1455 TVector vertex(3), ervertex(3)
1456 vertex(0)=Vx; vertex(1)=Vy; vertex(2)=Vz;
1457 ervertex(0)=sigmavx; ervertex(1)=sigmavy; ervertex(2)=sigmavz;
1458 /////////////////////////////////////////////////////////////////////////////////////////////////
1459*/
1460
1461 //TDirectory *savedir=gDirectory;
1462
1463 TTree tracktree1("TreeT","Tree with ITS tracks");
1464 AliITSiotrack *iotrack=0;
1465 tracktree1.Branch("ITStracks","AliITSiotrack",&iotrack,32000,0);
1466
1467 ofstream out ("AliITSTra.out");
cc6e75dd 1468
1469 Int_t j;
1470 for (j=min_t; j<=max_t; j++) {
55b5a0b3 1471 track=(AliTPCtrack*)tracks.UncheckedAt(j);
1472 Int_t flaglab=0;
1473 if (!track) continue;
1474 ////// elimination of not good tracks ////////////
1475 Int_t ilab=TMath::Abs(track->GetLabel());
cc6e75dd 1476 Int_t iii;
1477 for (iii=0;iii<ngood;iii++) {
1478 //cout<<" ilab, gt[iii].lab = "<<ilab<<" "<<gt[iii].lab<<"\n"; getchar();
1479 if (ilab==gt[iii].lab) {
55b5a0b3 1480 flaglab=1;
cc6e75dd 1481 ptg=gt[iii].ptg;
1482 pxg=gt[iii].pxg;
1483 pyg=gt[iii].pyg;
1484 pzg=gt[iii].pzg;
55b5a0b3 1485 break;
1486 }
1487 }
1488 //cout<<" j flaglab = " <<j<<" "<<flaglab<<"\n"; getchar();
1489 if (!flaglab) continue;
1490 //cout<<" j = " <<j<<"\n"; getchar();
1491 /*
1492 ////// old propagation to the end of TPC //////////////
1493 Double_t xk=76.;
1494 track->PropagateTo(xk);
1495 xk-=0.11;
1496 track->PropagateTo(xk,42.7,2.27); //C
1497 xk-=2.6;
1498 track->PropagateTo(xk,36.2,1.98e-3); //C02
1499 xk-=0.051;
1500 track->PropagateTo(xk,42.7,2.27); //C
1501 ///////////////////////////////////////////////////
1502 */
1503
1504 ////// new propagation to the end of TPC //////////////
1505 Double_t xk=77.415;
1506 track->PropagateTo(xk, 28.94, 1.204e-3); //Ne
1507 xk -=0.01;
1508 track->PropagateTo(xk, 44.77, 1.71); //Tedlar
1509 xk -=0.04;
1510 track->PropagateTo(xk, 44.86, 1.45); //Kevlar
1511 xk -=2.0;
1512 track->PropagateTo(xk, 41.28, 0.029); //Nomex
1513 xk-=16;
1514 track->PropagateTo(xk,36.2,1.98e-3); //C02
1515 xk -=0.01;
1516 track->PropagateTo(xk, 24.01, 2.7); //Al
1517 xk -=0.01;
1518 track->PropagateTo(xk, 44.77, 1.71); //Tedlar
1519 xk -=0.04;
1520 track->PropagateTo(xk, 44.86, 1.45); //Kevlar
1521 xk -=0.5;
1522 track->PropagateTo(xk, 41.28, 0.029); //Nomex
1523
1524 ///////////////////////////////////////////////////////////////
1525
1526 ///////////////////////////////////////////////////////////////
1527 AliITStrack trackITS(*track);
1528 AliITStrack result(*track);
1529 AliITStrack primarytrack(*track);
1530
1531///////////////////////////////////////////////////////////////////////////////////////////////
1532 TVector Vgeant(3);
1533 Vgeant=result.GetVertex();
1534
1535 // Definition of Dv and Zv for vertex constraint
cc6e75dd 1536 Double_t sigmaDv=0.0050; Double_t sigmaZv=0.010;
1537 //Double_t sigmaDv=0.0015; Double_t sigmaZv=0.0015;
55b5a0b3 1538 Double_t uniform= gRandom->Uniform();
1539 Double_t signdv;
1540 if(uniform<=0.5) signdv=-1.;
1541 else
1542 signdv=1.;
1543
1544 Double_t Vr=TMath::Sqrt(Vgeant(0)*Vgeant(0)+ Vgeant(1)*Vgeant(1));
1545 Double_t Dv=gRandom->Gaus(signdv*Vr,(Float_t)sigmaDv);
1546 Double_t Zv=gRandom->Gaus(Vgeant(2),(Float_t)sigmaZv);
1547
1548 //cout<<" Dv e Zv = "<<Dv<<" "<<Zv<<"\n";
1549 trackITS.SetDv(Dv); trackITS.SetZv(Zv);
1550 trackITS.SetsigmaDv(sigmaDv); trackITS.SetsigmaZv(sigmaZv);
1551 result.SetDv(Dv); result.SetZv(Zv);
1552 result.SetsigmaDv(sigmaDv); result.SetsigmaZv(sigmaZv);
1553 primarytrack.SetDv(Dv); primarytrack.SetZv(Zv);
1554 primarytrack.SetsigmaDv(sigmaDv); primarytrack.SetsigmaZv(sigmaZv);
1555
1556/////////////////////////////////////////////////////////////////////////////////////////////////
1557
1558 primarytrack.PrimaryTrack();
1559 TVector d2=primarytrack.Getd2();
1560 TVector tgl2=primarytrack.Gettgl2();
1561 TVector dtgl=primarytrack.Getdtgl();
1562 trackITS.Setd2(d2); trackITS.Settgl2(tgl2); trackITS.Setdtgl(dtgl);
1563 result.Setd2(d2); result.Settgl2(tgl2); result.Setdtgl(dtgl);
1564 /*
1565 trackITS.SetVertex(vertex); trackITS.SetErrorVertex(ervertex);
1566 result.SetVertex(vertex); result.SetErrorVertex(ervertex);
1567 */
1568 Tracking(trackITS,&result,recPoints,vettid, flagvert);
1569
cc6e75dd 1570 cout<<" progressive track number = "<<j<<"\r";
1571 // cout<<j<<"\r";
1572 //cout<<" progressive track number = "<<j<<"\n";
55b5a0b3 1573 Long_t labITS=result.GetLabel();
cc6e75dd 1574 //cout << " ITS track label = " << labITS << "\n";
55b5a0b3 1575 int lab=track->GetLabel();
cc6e75dd 1576 // cout << " TPC track label = " << lab <<"\n";
55b5a0b3 1577 //result.GetClusters(); getchar(); //to print the cluster matrix
1578
1579//propagation to vertex
1580
1581 Double_t rbeam=3.;
cc6e75dd 1582
1583 result.Propagation(rbeam);
1584
55b5a0b3 1585 TMatrix *cov;
1586 cov=&result.GetCMatrix();
1587 Double_t pt=TMath::Abs(result.GetPt());
1588 Double_t Dr=result.GetD();
1589 Double_t Z=result.GetZ();
1590 Double_t tgl=result.GetTgl();
1591 Double_t C=result.GetC();
1592 Double_t Cy=C/2.;
1593 Double_t Dz=Z-(tgl/Cy)*TMath::ASin(result.arga(rbeam));
1594 Dz-=Vgeant(2);
cc6e75dd 1595
55b5a0b3 1596 // cout<<" Dr e dz alla fine = "<<Dr<<" "<<Dz<<"\n"; getchar();
1597 Double_t phi=result.Getphi();
1598 Double_t phivertex = phi - TMath::ASin(result.argA(rbeam));
1599 Double_t duepi=2.*TMath::Pi();
1600 if(phivertex>duepi) phivertex-=duepi;
1601 if(phivertex<0.) phivertex+=duepi;
cc6e75dd 1602 Double_t Dtot=TMath::Sqrt(Dr*Dr+Dz*Dz);
1603
55b5a0b3 1604//////////////////////////////////////////////////////////////////////////////////////////
1605 Int_t NumofCluster, idmodule,idpoint;
1606 NumofCluster=result.GetNumClust();
1607 if(NumofCluster >=5) {
1608
1609
1610 AliITSiotrack outtrack;
1611
1612 iotrack=&outtrack;
1613
1614 iotrack->SetStatePhi(phi);
1615 iotrack->SetStateZ(Z);
1616 iotrack->SetStateD(Dr);
1617 iotrack->SetStateTgl(tgl);
1618 iotrack->SetStateC(C);
1619 Double_t radius=result.Getrtrack();
1620 iotrack->SetRadius(radius);
1621 Int_t charge;
1622 if(C>0.) charge=-1; else charge=1;
1623 iotrack->SetCharge(charge);
1624
1625
1626
1627 iotrack->SetCovMatrix(cov);
1628
1629 Double_t px=pt*TMath::Cos(phi);
1630 Double_t py=pt*TMath::Sin(phi);
1631 Double_t pz=pt*tgl;
1632
1633 Double_t xtrack=Dr*TMath::Sin(phi);
1634 Double_t ytrack=Dr*TMath::Cos(phi);
1635 Double_t ztrack=Dz+Vgeant(2);
1636
1637
1638 iotrack->SetPx(px);
1639 iotrack->SetPy(py);
1640 iotrack->SetPz(pz);
1641 iotrack->SetX(xtrack);
1642 iotrack->SetY(ytrack);
1643 iotrack->SetZ(ztrack);
1644 iotrack->SetLabel(labITS);
1645
c5b22044 1646 Int_t il;
1647 for(il=0;il<6; il++){
55b5a0b3 1648 iotrack->SetIdPoint(il,result.GetIdPoint(il));
1649 iotrack->SetIdModule(il,result.GetIdModule(il));
1650 }
1651 tracktree1.Fill();
1652
1653 //cout<<" labITS = "<<labITS<<"\n";
1654 //cout<<" phi z Dr tgl C = "<<phi<<" "<<Z<<" "<<Dr<<" "<<tgl<<" "<<C<<"\n"; getchar();
1655
1656 DataOut(kkk) = ptg; kkk++; DataOut(kkk)=labITS; kkk++; DataOut(kkk)=lab; kkk++;
1657
c5b22044 1658 for (il=0;il<6;il++) {
55b5a0b3 1659 idpoint=result.GetIdPoint(il);
1660 idmodule=result.GetIdModule(il);
1661 *(vettid[idmodule]+idpoint)=1;
1662 iotrack->SetIdPoint(il,idpoint);
1663 iotrack->SetIdModule(il,idmodule);
1664 }
cc6e75dd 1665
1666 // cout<<" +++++++++++++ pt e ptg = "<<pt<<" "<<ptg<<" ++++++++++\n";
55b5a0b3 1667 Double_t difpt= (pt-ptg)/ptg*100.;
1668 DataOut(kkk)=difpt; kkk++;
1669 Double_t lambdag=TMath::ATan(pzg/ptg);
1670 Double_t lam=TMath::ATan(tgl);
1671 Double_t diflam = (lam - lambdag)*1000.;
1672 DataOut(kkk) = diflam; kkk++;
1673 Double_t phig=TMath::ATan(pyg/pxg);
1674 Double_t phi=phivertex;
1675 Double_t difphi = (phi - phig)*1000.;
1676 DataOut(kkk)=difphi; kkk++;
1677 DataOut(kkk)=Dtot*1.e4; kkk++;
1678 DataOut(kkk)=Dr*1.e4; kkk++;
1679 DataOut(kkk)=Dz*1.e4; kkk++;
cc6e75dd 1680 Int_t r;
1681 for (r=0; r<9; r++) { out<<DataOut(r)<<" ";}
55b5a0b3 1682 out<<"\n";
1683 kkk=0;
1684
1685
1686 } // end if on NumofCluster
1687 //gObjectTable->Print(); // stampa memoria
1688 } // end for (int j=min_t; j<=max_t; j++)
1689
1690 out.close();
1691
cc6e75dd 1692
55b5a0b3 1693 static Bool_t first=kTRUE;
1694 static TFile *tfile;
1695
1696 if(first) {
1697 tfile=new TFile("itstracks.root","RECREATE");
1698 //cout<<"I have opened itstracks.root file "<<endl;
1699 }
1700 first=kFALSE;
1701 tfile->cd();
1702 tfile->ls();
1703
1704 char hname[30];
1705 sprintf(hname,"TreeT%d",evNumber);
1706
1707 tracktree1.Write(hname);
1708
1709
1710
1711 TTree *fAli=gAlice->TreeK();
1712 TFile *fileAli=0;
1713
1714 if (fAli) fileAli =fAli->GetCurrentFile();
1715 fileAli->cd();
1716
1717 ////////////////////////////////////////////////////////////////////////////////////////////////
1718
1719 printf("delete vectors\n");
1720 if(np) delete [] np;
1721 if(vettid) delete [] vettid;
1722
1723}