1 change to improve tracking in machine magnetic field + some DQM stuff
[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
88cb7938 16/* $Id$ */
2ab0c725 17
4c039060 18
fe4da5cc 19///////////////////////////////////////////////////////////////////////////////
04366a57 20// //
21// An overview of the basic philosophy of the ITS code development //
22// and analysis is show in the figure below. //
23//Begin_Html //
24/*
a92b2b7d 25<img src="picts/ITS/ITS_Analysis_schema.gif">
fe4da5cc 26</pre>
27<br clear=left>
28<font size=+2 color=red>
58005f18 29<p>Roberto Barbera is in charge of the ITS Offline code (1999).
fe4da5cc 30<a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>.
31</font>
32<pre>
33*/
34//End_Html
58005f18 35//
36// AliITS. Inner Traking System base class.
37// This class contains the base procedures for the Inner Tracking System
38//
39//Begin_Html
40/*
a92b2b7d 41<img src="picts/ITS/AliITS_Class_Diagram.gif">
58005f18 42</pre>
43<br clear=left>
44<font size=+2 color=red>
45<p>This show the class diagram of the different elements that are part of
46the AliITS class.
47</font>
48<pre>
49*/
50//End_Html
51//
52// Version: 0
53// Written by Rene Brun, Federico Carminati, and Roberto Barbera
54//
55// Version: 1
56// Modified and documented by Bjorn S. Nilsen
57// July 11 1999
58//
3bd79107 59// Version: 2
60// Modified and documented by A. Bologna
61// October 18 1999
62//
58005f18 63// AliITS is the general base class for the ITS. Also see AliDetector for
64// futher information.
65//
fe4da5cc 66///////////////////////////////////////////////////////////////////////////////
88cb7938 67
143d1056 68#include <stdlib.h>
caf37aec 69#include <TClonesArray.h>
9c74c52b 70#include <TFile.h>
7d62fb64 71#include <TParticle.h>
d5da1ecf 72#include <TString.h>
88cb7938 73#include <TTree.h>
88cb7938 74#include <TVirtualMC.h>
7d62fb64 75#include "AliDetector.h"
3bd79107 76#include "AliITS.h"
7d62fb64 77#include "AliITSDetTypeSim.h"
f77f13c8 78#include "AliITSDDLRawData.h"
88cb7938 79#include "AliITSLoader.h"
88cb7938 80#include "AliITShit.h"
81#include "AliITSmodule.h"
7d62fb64 82#include "AliITSpListItem.h"
83#include "AliITSsimulation.h"
84#include "AliITSsimulationFastPoints.h"
5d12ce38 85#include "AliMC.h"
7d62fb64 86#include "AliITSDigitizer.h"
87#include "AliITSRecPoint.h"
0b5bf101 88#include "AliITSsegmentationSPD.h"
89#include "AliITSsegmentationSDD.h"
dee45d79 90#include "AliITSsimulationSDD.h"
91#include "AliITSCalibrationSDD.h"
8b3448d3 92#include "AliITSCalibrationSSD.h"
0b5bf101 93#include "AliITSsegmentationSSD.h"
94#include "AliITSRawStreamSPD.h"
95#include "AliITSRawStreamSSD.h"
96#include "AliITSRawStreamSDD.h"
0b5bf101 97#include "AliRawReader.h"
f77f13c8 98#include "AliRun.h"
7d62fb64 99#include "AliLog.h"
ef7ff1f9 100#include "AliITSInitGeometry.h"
ad7f2bfa 101#include "AliITSFOSignalsSPD.h"
828e06c7 102
3bd79107 103ClassImp(AliITS)
3bd79107 104
2aea926d 105//______________________________________________________________________
ed9289c8 106AliITS::AliITS() : AliDetector(),
107fDetTypeSim(0),
108fEuclidOut(0),
109fOpt("All"),
110fIdN(0),
111fIdSens(0),
112fIdName(0),
012f0f4c 113fITSmodules(0),
c8af5b8f 114fTiming(kFALSE),
115fSimuParam(0)
ed9289c8 116{
7d62fb64 117 // Default initializer 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 // fIdSens, and fIdName. The AliDetector default constructor
122 // is also called.
123
aa044888 124// SetDetectors(); // default to fOpt="All". This variable not written out.
e939a978 125//PH SetMarkerColor(kRed);
fe4da5cc 126}
2aea926d 127//______________________________________________________________________
c8af5b8f 128AliITS::AliITS(const Char_t *title):
129 AliDetector("ITS",title),
130 fDetTypeSim(0),
131 fEuclidOut(0),
132 fOpt("All"),
133 fIdN(0),
134 fIdSens(0),
135 fIdName(0),
136 fITSmodules(0),
137 fTiming(kFALSE),
138 fSimuParam(0)
012f0f4c 139{
140 // The standard Constructor for the ITS class.
141 // It also zeros the variables
142 // fIshunt (a member of AliDetector class), fEuclidOut, and zeros
143 // the pointers fIdSens and fIdName. To help in displaying hits via the
144 // ROOT macro display.C AliITS also sets the marker color to red. The
145 // variables passes with this constructor, const char *name and *title,
146 // are used by the constructor of AliDetector class. See AliDetector
147 // class for a description of these parameters and its constructor
148 // functions.
149 // Inputs:
150 // Char_t *title Simulation title for the ITS
151 // Outputs:
152 // none.
153 // Return:
154 // none.
155
156 fHits = new TClonesArray("AliITShit",1560); // from AliDetector
157 if(gAlice->GetMCApp()) gAlice->GetMCApp()->AddHitList(fHits);
158 //fNhits=0; //done in AliDetector(name,title)
159 SetDetectors(); // default to fOpt="All". This variable not written out.
160 fDetTypeSim = new AliITSDetTypeSim();
161 //PH SetMarkerColor(kRed);
162 if(!fLoader) MakeLoader(AliConfig::GetDefaultEventFolderName());
163 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
164}
165//______________________________________________________________________
c8af5b8f 166AliITS::AliITS(const char *name, const char *title):
167 AliDetector(name,title),
168 fDetTypeSim(0),
169 fEuclidOut(0),
170 fOpt("All"),
171 fIdN(0),
172 fIdSens(0),
173 fIdName(0),
174 fITSmodules(0),
175 fTiming(kFALSE),
176 fSimuParam(0)
ed9289c8 177{
7d62fb64 178 // The standard Constructor for the ITS class.
179 // It also zeros the variables
180 // fIshunt (a member of AliDetector class), fEuclidOut, and zeros
181 // the pointers fIdSens and fIdName. To help in displaying hits via the
182 // ROOT macro display.C AliITS also sets the marker color to red. The
183 // variables passes with this constructor, const char *name and *title,
184 // are used by the constructor of AliDetector class. See AliDetector
185 // class for a description of these parameters and its constructor
186 // functions.
187
7d62fb64 188 fHits = new TClonesArray("AliITShit",1560);
189 if(gAlice->GetMCApp()) gAlice->GetMCApp()->AddHitList(fHits);
ed9289c8 190 //fNhits=0; //done in AliDetector(name,title)
7d62fb64 191
7d62fb64 192 SetDetectors(); // default to fOpt="All". This variable not written out.
ed9289c8 193
7d62fb64 194 fDetTypeSim = new AliITSDetTypeSim();
e939a978 195 //PH SetMarkerColor(kRed);
023ae34b 196 if(!fLoader) MakeLoader(AliConfig::GetDefaultEventFolderName());
197 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
fe4da5cc 198
3bd79107 199}
2aea926d 200//______________________________________________________________________
58005f18 201AliITS::~AliITS(){
4a5bebc2 202 // Default destructor for ITS.
2aea926d 203 // The default destructor of the AliITS class. In addition to deleting
7d62fb64 204 // the AliITS class it deletes the memory pointed to by
205 // fIdSens, fIdName, fDetTypeSim and it's contents.
4a5bebc2 206 // Inputs:
207 // none.
208 // Outputs:
209 // none.
210 // Return:
211 // none.
023ae34b 212
88cb7938 213 if (fHits) {
214 fHits->Delete();
215 delete fHits;
216 fHits=0;
217 }
88cb7938 218 if(fITSmodules) {
219 this->ClearModules();
220 delete fITSmodules;
279a35d7 221 fITSmodules = 0;
88cb7938 222 }// end if fITSmodules!=0
223
7d62fb64 224 delete[] fIdName; // Array of TStrings
225 delete[] fIdSens;
226
227 if (fDetTypeSim){
228 delete fDetTypeSim;
229 fDetTypeSim = 0;
c8af5b8f 230 }
231 if(fSimuParam){
232 delete fSimuParam;
233 fSimuParam=0;
234 }
3bd79107 235}
2aea926d 236//______________________________________________________________________
aacedc3e 237AliDigitizer* AliITS::CreateDigitizer(AliRunDigitizer* manager)const{
238 // Creates the AliITSDigitizer in a standard way for use via AliModule.
239 // This function can not be included in the .h file because of problems
240 // with the order of inclusion (recursive).
4a5bebc2 241 // Inputs:
aacedc3e 242 // AliRunDigitizer *manager The Manger class for Digitization
243 // Output:
244 // none.
4a5bebc2 245 // Return:
aacedc3e 246 // A new AliITSRunDigitizer (cast as a AliDigitizer).
3bd79107 247
aacedc3e 248 return new AliITSDigitizer(manager);
3bd79107 249}
2aea926d 250//______________________________________________________________________
251void AliITS::Init(){
4a5bebc2 252 // Initializer ITS after it has been built
2aea926d 253 // This routine initializes the AliITS class. It is intended to be
254 // called from the Init function in AliITSv?. Besides displaying a banner
255 // indicating that it has been called it initializes the array fIdSens
256 // and sets the default segmentation, response, digit and raw cluster
257 // classes therefore it should be called after a call to CreateGeometry.
4a5bebc2 258 // Inputs:
259 // none.
260 // Outputs:
261 // none.
262 // Return:
263 // none.
3bd79107 264 Int_t i;
2aea926d 265 // Array of TStrings
0e73d04c 266 if(gMC) for(i=0;i<fIdN;i++) fIdSens[i] = gMC->VolId(fIdName[i]);
7d62fb64 267
3bd79107 268}
2aea926d 269//______________________________________________________________________
270void AliITS::SetDefaults(){
4a5bebc2 271 // sets the default segmentation, response, digit and raw cluster classes.
272 // Inputs:
273 // none.
274 // Outputs:
275 // none.
276 // Return:
277 // none.
023ae34b 278 AliInfoClass("AliITS::Setting Defaults");
7d62fb64 279 if(!fDetTypeSim) {
280 Error("SetDefaults()","fDetTypeSim is 0!");
281 return;
282 }
283
284 fDetTypeSim->SetDefaults();
c8af5b8f 285 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 286
3bd79107 287}
2aea926d 288//______________________________________________________________________
289void AliITS::SetDefaultSimulation(){
4a5bebc2 290 // sets the default simulation.
291 // Inputs:
292 // none.
293 // Outputs:
294 // none.
295 // Return:
296 // none.
7d62fb64 297 if(!fDetTypeSim) {
298 Error("SetDefaultSimulation()","fDetTypeSim is 0!");
299 return;
300 }
301
302 fDetTypeSim->SetDefaultSimulation();
c8af5b8f 303 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
04366a57 304
04366a57 305}
306
307
2aea926d 308//______________________________________________________________________
88cb7938 309void AliITS::MakeBranch(Option_t* option){
2aea926d 310 // Creates Tree branches for the ITS.
4a5bebc2 311 // Inputs:
312 // Option_t *option String of Tree types S,D, and/or R.
313 // const char *file String of the file name where these branches
314 // are to be stored. If blank then these branches
315 // are written to the same tree as the Hits were
316 // read from.
317 // Outputs:
318 // none.
319 // Return:
320 // none.
7d62fb64 321 if(!fDetTypeSim) {
322 Error("MakeBranch","fDetTypeSim is 0!");
323 return;
324 }
04366a57 325
7d62fb64 326 Bool_t cH = (strstr(option,"H")!=0);
327 Bool_t cS = (strstr(option,"S")!=0);
328 Bool_t cD = (strstr(option,"D")!=0);
329
330 if(cH && (fHits == 0x0)) fHits = new TClonesArray("AliITShit", 1560);
331 AliDetector::MakeBranch(option);
332
333 if(cS) MakeBranchS(0);
334 if(cD) MakeBranchD(0);
335
336
337}
338//___________________________________________________________________
339void AliITS::MakeBranchS(const char* fl){
340
341 // Creates Tree Branch for the ITS summable digits.
342 // Inputs:
343 // cont char *fl File name where SDigits branch is to be written
344 // to. If blank it write the SDigits to the same
345 // file in which the Hits were found.
346
347
348 if(!fDetTypeSim){
349 Error("MakeBranchS","fDetTypeSim is 0!");
350 }
351 Int_t buffersize = 4000;
352 char branchname[30];
353
354 // only one branch for SDigits.
355 sprintf(branchname,"%s",GetName());
356
357 if(fLoader->TreeS()){
7d62fb64 358 TClonesArray* sdig = (TClonesArray*)fDetTypeSim->GetSDigits();
359 MakeBranchInTree(fLoader->TreeS(),branchname,&sdig,buffersize,fl);
360 }
361}
362//______________________________________________________________________
363void AliITS::MakeBranchD(const char* file){
364
365 //Make branch for digits
366 if(!fDetTypeSim) {
367 Warning("MakeBranchD","fDetTypeSim is 0!");
368 return;
369 }
023ae34b 370 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 371 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 372 MakeBranchInTreeD(fLoader->TreeD(),file);
373}
374
375//___________________________________________________________________
376void AliITS:: MakeBranchInTreeD(TTree* treeD, const char* file){
377 // Creates Tree branches for the ITS.
378
379 if(!fDetTypeSim){
380 Error("MakeBranchS","fDetTypeSim is 0!");
381 }
023ae34b 382 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 383 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 384
385 const Char_t *det[3] = {"SPD","SDD","SSD"};
a6e0ebfe 386 const Char_t* digclass;
7d62fb64 387 Int_t buffersize = 4000;
388 Char_t branchname[30];
389
390 if(!fDetTypeSim->GetDigits()){
391 fDetTypeSim->SetDigits(new TObjArray(fgkNTYPES));
392 }
393 for(Int_t i=0;i<fgkNTYPES;i++){
394 digclass = fDetTypeSim->GetDigitClassName(i);
395 TString classn = digclass;
396 if(!((fDetTypeSim->GetDigits())->At(i))){
397 (fDetTypeSim->GetDigits())->AddAt(new TClonesArray(classn.Data(),1000),i);
398 }
399 else ResetDigits(i);
400 if(fgkNTYPES==3) sprintf(branchname,"%sDigits%s",GetName(),det[i]);
401 else sprintf(branchname,"%sDigits%d",GetName(),i+1);
402 TObjArray* dig = DigitsAddress(i);
403 if(GetDigits() && treeD) AliDetector::MakeBranchInTree(treeD,branchname, &dig,buffersize,file);
404 }
2aea926d 405
fe4da5cc 406}
2aea926d 407//______________________________________________________________________
408void AliITS::SetTreeAddress(){
409 // Set branch address for the Trees.
4a5bebc2 410 // Inputs:
411 // none.
412 // Outputs:
413 // none.
414 // Return:
415 // none.
023ae34b 416
7d62fb64 417 if(!fDetTypeSim) {
418 Error("SetTreeAddress","fDetTypeSim is 0!");
419 return;
420 }
421
023ae34b 422 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 423 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 424
425 TTree *treeS = fLoader->TreeS();
426 TTree *treeD = fLoader->TreeD();
427 if (fLoader->TreeH() && (fHits == 0x0)) {
428 fHits = new TClonesArray("AliITShit", 1560);
429 }
430 AliDetector::SetTreeAddress();
431
432 fDetTypeSim->SetTreeAddressS(treeS, (Char_t*)GetName());
433 fDetTypeSim->SetTreeAddressD(treeD, (Char_t*)GetName());
fe4da5cc 434}
2aea926d 435//______________________________________________________________________
2aea926d 436void AliITS::AddHit(Int_t track, Int_t *vol, Float_t *hits){
437 // Add an ITS hit
438 // The function to add information to the AliITShit class. See the
439 // AliITShit class for a full description. This function allocates the
440 // necessary new space for the hit information and passes the variable
441 // track, and the pointers *vol and *hits to the AliITShit constructor
442 // function.
4a5bebc2 443 // Inputs:
444 // Int_t track Track number which produced this hit.
445 // Int_t *vol Array of Integer Hit information. See AliITShit.h
446 // Float_t *hits Array of Floating Hit information. see AliITShit.h
447 // Outputs:
448 // none.
449 // Return:
450 // none.
7d62fb64 451 TClonesArray &lhits = *fHits;
452 new(lhits[fNhits++]) AliITShit(fIshunt,track,vol,hits);
3bd79107 453}
3bd79107 454
2aea926d 455//______________________________________________________________________
456void AliITS::FillModules(Int_t evnt,Int_t bgrev,Int_t nmodules,
8e8eae84 457 Option_t *option, const char *filename){
7d62fb64 458 // fill the modules with the sorted by module hits; add hits from
459 // background if option=Add.
460
461 static TTree *trH1; //Tree with background hits
462 static Bool_t first=kTRUE;
463 static TFile *file;
464 const char *addBgr = strstr(option,"Add");
465
466 evnt = nmodules; // Dummy use of variables to remove warnings
467 if (addBgr ) {
468 if(first) {
469 file=new TFile(filename);
470 } // end if first
471 first=kFALSE;
472 file->cd();
473 file->ls();
474 // Get Hits Tree header from file
475 if(trH1) delete trH1;
476 trH1=0;
477
478 char treeName[20];
479 sprintf(treeName,"TreeH%d",bgrev);
480 trH1 = (TTree*)gDirectory->Get(treeName);
481 if (!trH1) {
482 Error("FillModules","cannot find Hits Tree for event:%d",bgrev);
483 } // end if !trH1
484 // Set branch addresses
485 } // end if addBgr
486
487 FillModules(fLoader->TreeH(),0); // fill from this file's tree.
3bd79107 488
7d62fb64 489 if (addBgr ) {
490 FillModules(trH1,10000000); // Default mask 10M.
491 TTree *fAli=fLoader->GetRunLoader()->TreeK();
492 TFile *fileAli=0;
493 if (fAli) fileAli =fAli->GetCurrentFile();
494 fileAli->cd();
495 } // end if add
496
497
3bd79107 498}
2aea926d 499//______________________________________________________________________
b4012daf 500void AliITS::FillModules(TTree *treeH, Int_t mask) {
501 // fill the modules with the sorted by module hits;
502 // can be called many times to do a merging
503 // Inputs:
504 // TTree *treeH The tree containing the hits to be copied into
505 // the modules.
506 // Int_t mask The track number mask to indecate which file
507 // this hits came from.
508 // Outputs:
509 // none.
510 // Return:
511 // none.
512
88cb7938 513 if (treeH == 0x0)
514 {
515 Error("FillModules","Tree is NULL");
516 }
b4012daf 517 Int_t lay,lad,det,index;
518 AliITShit *itsHit=0;
519 AliITSmodule *mod=0;
520 char branchname[20];
521 sprintf(branchname,"%s",GetName());
522 TBranch *branch = treeH->GetBranch(branchname);
523 if (!branch) {
88cb7938 524 Error("FillModules","%s branch in TreeH not found",branchname);
525 return;
b4012daf 526 } // end if !branch
527 branch->SetAddress(&fHits);
528 Int_t nTracks =(Int_t) treeH->GetEntries();
529 Int_t iPrimTrack,h;
530 for(iPrimTrack=0; iPrimTrack<nTracks; iPrimTrack++){
88cb7938 531 ResetHits();
532 Int_t nBytes = treeH->GetEvent(iPrimTrack);
533 if (nBytes <= 0) continue;
534 Int_t nHits = fHits->GetEntriesFast();
535 for(h=0; h<nHits; h++){
536 itsHit = (AliITShit *)fHits->UncheckedAt(h);
537 itsHit->GetDetectorID(lay,lad,det);
7d62fb64 538 if (GetITSgeom()) {
539 index = GetITSgeom()->GetModuleIndex(lay,lad,det);
88cb7938 540 } else {
541 index=det-1; // This should not be used.
542 } // end if [You must have fITSgeom for this to work!]
543 mod = GetModule(index);
544 itsHit->SetTrack(itsHit->GetTrack()+mask); // Set track mask.
545 mod->AddHit(itsHit,iPrimTrack,h);
546 } // end loop over hits
b4012daf 547 } // end loop over tracks
548}
7d62fb64 549
b4012daf 550//______________________________________________________________________
6f5308d9 551Bool_t AliITS::InitModules(Int_t size,Int_t &nmodules){
7d62fb64 552 // Initialize the modules array.
4a5bebc2 553 // Inputs:
7d62fb64 554 // Int_t size Size of array of the number of modules to be
555 // created. If size <=0 then the number of modules
556 // is gotten from AliITSgeom class kept in fITSgeom.
4a5bebc2 557 // Outputs:
7d62fb64 558 // Int_t &nmodules The number of modules existing.
4a5bebc2 559 // Return:
560 // none.
2ab0c725 561
7d62fb64 562 if(fITSmodules){
563 fITSmodules->Delete();
564 delete fITSmodules;
565 } // end fir fITSmoudles
88cb7938 566
7d62fb64 567 if(!fDetTypeSim) {
568 Error("InitModules","fDetTypeSim is null!");
6f5308d9 569 return kFALSE;
7d62fb64 570 }
c8af5b8f 571 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
828e06c7 572
7d62fb64 573 Int_t nl,indexMAX,index;
574
575 if(size<=0){ // default to using data stored in AliITSgeom
576 if(fDetTypeSim->GetITSgeom()==0) {
577 Error("InitModules","fITSgeom not defined");
6f5308d9 578 return kFALSE;
7d62fb64 579 } // end if fITSgeom==0
580 nl = fDetTypeSim->GetITSgeom()->GetNlayers();
581 indexMAX = fDetTypeSim->GetITSgeom()->GetIndexMax();
582 nmodules = indexMAX;
583 fITSmodules = new TObjArray(indexMAX);
584 for(index=0;index<indexMAX;index++){
585 fITSmodules->AddAt( new AliITSmodule(index),index);
586 } // end for index
587 }else{
588 fITSmodules = new TObjArray(size);
589 for(index=0;index<size;index++) {
590 fITSmodules->AddAt( new AliITSmodule(index),index);
591 } // end for index
592
593 nmodules = size;
594 } // end i size<=0
6f5308d9 595 return kTRUE;
2aea926d 596}
597//______________________________________________________________________
598void AliITS::Hits2SDigits(){
599 // Standard Hits to summable Digits function.
4a5bebc2 600 // Inputs:
601 // none.
602 // Outputs:
603 // none.
7d62fb64 604
2aea926d 605
7d62fb64 606 if(!fDetTypeSim) {
607 Error("Hits2SDigits","fDetTypeSim is null!");
ad7f2bfa 608 return;
7d62fb64 609 }
610
611 SetDefaults();
612 fLoader->LoadHits("read");
613 fLoader->LoadSDigits("recreate");
614 AliRunLoader* rl = fLoader->GetRunLoader();
023ae34b 615 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 616 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
617
7d62fb64 618 for (Int_t iEvent = 0; iEvent < rl->GetNumberOfEvents(); iEvent++) {
aacedc3e 619 // Do the Hits to Digits operation. Use Standard input values.
620 // Event number from file, no background hit merging , use size from
621 // AliITSgeom class, option="All", input from this file only.
7d62fb64 622 rl->GetEvent(iEvent);
623 if (!fLoader->TreeS()) fLoader->MakeTree("S");
624 MakeBranch("S");
625 SetTreeAddress();
626 HitsToPreDigits(iEvent,0,-1," ",fOpt," ");
627 } // end for iEvent
88cb7938 628
7d62fb64 629 fLoader->UnloadHits();
630 fLoader->UnloadSDigits();
631
85a5290f 632}
633//______________________________________________________________________
7d62fb64 634void AliITS::Hits2Digits(){
635
636 //Conversion from hits to digits
637 if(!fDetTypeSim) {
638 Error("Hits2SDigits","fDetTypeSim is 0!");
639 return;
640 }
641
023ae34b 642 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 643 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 644 SetDefaults();
645
646 fLoader->LoadHits("read");
647 fLoader->LoadDigits("recreate");
648 AliRunLoader* rl = fLoader->GetRunLoader();
649 for (Int_t iEvent = 0; iEvent < rl->GetNumberOfEvents(); iEvent++) {
650 rl->GetEvent(iEvent);
651 if (!fLoader->TreeD()) fLoader->MakeTree("D");
652 MakeBranch("D");
653 SetTreeAddress();
654 HitsToDigits(iEvent,0,-1," ",fOpt," ");
655 }
656
657 fLoader->UnloadHits();
658 fLoader->UnloadDigits();
659
2aea926d 660}
7d62fb64 661
2aea926d 662//______________________________________________________________________
7d62fb64 663void AliITS::HitsToDigits(Int_t evNumber,Int_t bgrev,Int_t size,
664 Option_t *option,Option_t *opt,
665 const char *filename){
666 // Keep galice.root for signal and name differently the file for
667 // background when add! otherwise the track info for signal will be lost !
668 // the condition below will disappear when the geom class will be
669 // initialized for all versions - for the moment it is only for v5 !
670 // 7 is the SDD beam test version.
4a5bebc2 671 // Inputs:
7d62fb64 672 // Int_t evnt Event to be processed.
673 // Int_t bgrev Background Hit tree number.
674 // Int_t nmodules Not used.
675 // Option_t *option String indicating if merging hits or not. To
676 // merge hits set equal to "Add". Otherwise no
677 // background hits are considered.
678 // Test_t *filename File name containing the background hits..
4a5bebc2 679 // Outputs:
680 // none.
7d62fb64 681 // Return:
682 // none.
2aea926d 683
7d62fb64 684 if(!fDetTypeSim) {
685 Error("HitsToDigits","fDetTypeSim is null!");
686 return;
687 }
023ae34b 688 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 689 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 690 if(!GetITSgeom()) return; // need transformations to do digitization.
691 AliITSgeom *geom = GetITSgeom();
85a5290f 692
7d62fb64 693 const char *all = strstr(opt,"All");
694 const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
695 strstr(opt,"SSD")};
696 static Bool_t setDef=kTRUE;
697 if (setDef) SetDefaultSimulation();
698 setDef=kFALSE;
699
700 Int_t nmodules;
701 InitModules(size,nmodules);
702 FillModules(evNumber,bgrev,nmodules,option,filename);
ad7f2bfa 703
704 // Reset Fast-OR signals for this event
705 fDetTypeSim->ResetFOSignals();
7d62fb64 706
707 AliITSsimulation *sim = 0;
708 AliITSmodule *mod = 0;
709 Int_t id;
710 for(Int_t module=0;module<geom->GetIndexMax();module++){
711 id = geom->GetModuleType(module);
712 if (!all && !det[id]) continue;
713 sim = (AliITSsimulation*)fDetTypeSim->GetSimulationModel(id);
714 if (!sim) {
715 Error("HitsToDigits","The simulation class was not "
716 "instanciated for module %d type %s!",module,
717 geom->GetModuleTypeName(module));
718 exit(1);
719 } // end if !sim
720 mod = (AliITSmodule *)fITSmodules->At(module);
721 sim->DigitiseModule(mod,module,evNumber);
722 // fills all branches - wasted disk space
723 fLoader->TreeD()->Fill();
724 ResetDigits();
725 } // end for module
726
727 ClearModules();
a0d76912 728
ad7f2bfa 729 // Add random noise to FO signals
730 if (all || det[0]) { // SPD present
731 fDetTypeSim->ProcessNoiseForFastOr();
732 }
733
734 // Add Fast-OR signals to event (only one object per event)
735 if (all || det[0]) { // SPD present
736 fDetTypeSim->WriteFOSignals();
737 }
738
739
7d62fb64 740 fLoader->TreeD()->GetEntries();
741 fLoader->TreeD()->AutoSave();
742 // reset tree
743 fLoader->TreeD()->Reset();
2aea926d 744}
7d62fb64 745//_____________________________________________________________________
746void AliITS::Hits2PreDigits(){
747 // Turn hits into SDigits
748
749 if(!fDetTypeSim) {
750 Error("Hits2SDigits","fDetTypeSim is 0!");
751 return;
752 }
753
023ae34b 754 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 755 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 756 SetDefaults();
757
758 HitsToPreDigits(fLoader->GetRunLoader()->GetEventNumber(),
759 0,-1," ",fOpt," ");
760}
761
2aea926d 762//______________________________________________________________________
2aea926d 763void AliITS::HitsToPreDigits(Int_t evNumber,Int_t bgrev,Int_t size,
aacedc3e 764 Option_t *option,Option_t *opt,
765 const char *filename){
4a5bebc2 766 // Keep galice.root for signal and name differently the file for
2aea926d 767 // background when add! otherwise the track info for signal will be lost !
768 // the condition below will disappear when the geom class will be
4a5bebc2 769 // initialized for all versions - for the moment it is only for v5 !
770 // 7 is the SDD beam test version.
771 // Inputs:
772 // Int_t evnt Event to be processed.
773 // Int_t bgrev Background Hit tree number.
774 // Int_t nmodules Not used.
775 // Option_t *option String indicating if merging hits or not. To
776 // merge hits set equal to "Add". Otherwise no
777 // background hits are considered.
778 // Test_t *filename File name containing the background hits..
779 // Outputs:
780 // none.
781 // Return:
782 // none.
2aea926d 783
7d62fb64 784
785 if(!fDetTypeSim) {
786 Error("HitsToPreDigits","fDetTypeSim is null!");
787 return;
788 }
023ae34b 789 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
c8af5b8f 790 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 791
792 if(!GetITSgeom()){
793 Error("HitsToPreDigits","fGeom is null!");
794 return; // need transformations to do digitization.
795 }
796 AliITSgeom *geom = GetITSgeom();
797
798 const char *all = strstr(opt,"All");
799 const char *det[3] = {strstr(opt,"SPD"),strstr(opt,"SDD"),
800 strstr(opt,"SSD")};
801 static Bool_t setDef=kTRUE;
802 if (setDef) SetDefaultSimulation();
803 setDef=kFALSE;
804
805 Int_t nmodules;
806 InitModules(size,nmodules);
807 FillModules(evNumber,bgrev,nmodules,option,filename);
808
809
810 AliITSsimulation *sim = 0;
811 AliITSmodule *mod = 0;
812 Int_t id,module;
813 for(module=0;module<geom->GetIndexMax();module++){
814 id = geom->GetModuleType(module);
815 if (!all && !det[id]) continue;
816 sim = (AliITSsimulation*)GetSimulationModel(id);
817 if (!sim) {
818 Error("HitsToPreDigits","The simulation class was not "
819 "instanciated for module %d type %s!",module,
820 geom->GetModuleTypeName(module));
821 exit(1);
822 } // end if !sim
823 mod = (AliITSmodule *)fITSmodules->At(module);
824 sim->SDigitiseModule(mod,module,evNumber);
825 // fills all branches - wasted disk space
826 fLoader->TreeS()->Fill();
827 fDetTypeSim->ResetSDigits();
828 } // end for module
829
830 ClearModules();
831
832
833 fLoader->TreeS()->GetEntries();
834 fLoader->TreeS()->AutoSave();
835 fLoader->WriteSDigits("OVERWRITE");
836 // reset tree
837 fLoader->TreeS()->Reset();
2aea926d 838}
7d62fb64 839
840//_____________________________________________________________________
841void AliITS::HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
842 Option_t *opt0,Option_t *opt1,
843 const char *flnm){
844 // keep galice.root for signal and name differently the file for
2aea926d 845 // background when add! otherwise the track info for signal will be lost !
846 // the condition below will disappear when the geom class will be
4a5bebc2 847 // initialized for all versions - for the moment it is only for v5 !
4a5bebc2 848 // Inputs:
849 // Int_t evnt Event to be processed.
850 // Int_t bgrev Background Hit tree number.
7d62fb64 851 // Int_t size Size used by InitModules. See InitModules.
852 // Option_t *opt0 Option passed to FillModules. See FillModules.
853 // Option_t *opt1 String indicating if merging hits or not. To
4a5bebc2 854 // merge hits set equal to "Add". Otherwise no
855 // background hits are considered.
7d62fb64 856 // Test_t *flnm File name containing the background hits..
4a5bebc2 857 // Outputs:
858 // none.
859 // Return:
860 // none.
861
04366a57 862
00a7cc50 863
7d62fb64 864 if(!GetITSgeom()){
865 Error("HitsToPreDigits","fGeom is null!");
866 return; // need transformations to do digitization.
867 }
868 AliITSgeom *geom = GetITSgeom();
869
870 AliITSLoader *pITSloader = (AliITSLoader*)fLoader;
871
872 const char *all = strstr(opt1,"All");
873 const char *det[3] ={strstr(opt1,"SPD"),strstr(opt1,"SDD"),
874 strstr(opt1,"SSD")};
875 Int_t nmodules;
876 InitModules(size,nmodules);
877 FillModules(evNumber,bgrev,nmodules,opt0,flnm);
878
879 AliITSsimulation *sim = 0;
880 AliITSmodule *mod = 0;
881 Int_t id,module;
882
883 TTree *lTR = pITSloader->TreeR();
00a7cc50 884 if(!lTR) {
885 pITSloader->MakeTree("R");
886 lTR = pITSloader->TreeR();
887 }
888
7d62fb64 889 TClonesArray* ptarray = new TClonesArray("AliITSRecPoint",1000);
00a7cc50 890 TBranch* branch = (TBranch*)lTR->Branch("ITSRecPointsF",&ptarray);
891 branch->SetAddress(&ptarray);
7d62fb64 892 //m.b. : this change is nothing but a nice way to make sure
023ae34b 893 //the CPU goes up !
7d62fb64 894 for(module=0;module<geom->GetIndexMax();module++){
895 id = geom->GetModuleType(module);
896 if (!all && !det[id]) continue;
897 sim = (AliITSsimulation*)GetSimulationModel(id);
898 if (!sim) {
899 Error("HitsToFastPoints","The simulation class was not "
900 "instanciated for module %d type %x!",module,
901 geom->GetModuleTypeName(module));
902 exit(1);
903 } // end if !sim
904 mod = (AliITSmodule *)fITSmodules->At(module);
905 sim->CreateFastRecPoints(mod,module,gRandom,ptarray);
906 lTR->Fill();
f1bfe73f 907 ptarray->Clear();
7d62fb64 908 } // end for module
909
910 ClearModules();
911 fLoader->WriteRecPoints("OVERWRITE");
912 delete ptarray;
2aea926d 913}
7d62fb64 914//_____________________________________________________________________
915Int_t AliITS::Hits2Clusters(TTree *hTree, TTree *cTree) {
916 //------------------------------------------------------------
917 // This function creates ITS clusters
918 //------------------------------------------------------------
919 if(!GetITSgeom()){
920 Error("HitsToPreDigits","fGeom is null!");
921 return 1; // need transformations to do digitization.
922 }
923 AliITSgeom *geom=GetITSgeom();
924 Int_t mmax=geom->GetIndexMax();
925
926 InitModules(-1,mmax);
927 FillModules(hTree,0);
928
7d62fb64 929 TClonesArray *points = new TClonesArray("AliITSRecPoint",1000);
00a7cc50 930 TBranch *branch=cTree->GetBranch("ITSRecPoints");
931 if (!branch) cTree->Branch("ITSRecPoints",&points);
932 else branch->SetAddress(&points);
7d62fb64 933
934 AliITSsimulationFastPoints sim;
935 Int_t ncl=0;
936 for (Int_t m=0; m<mmax; m++) {
937 AliITSmodule *mod=GetModule(m);
938 sim.CreateFastRecPoints(mod,m,gRandom,points);
00a7cc50 939 ncl+=points->GetEntriesFast();
7d62fb64 940 cTree->Fill();
7d62fb64 941 points->Clear();
942 }
943
15e6a32c 944 AliDebug(1,Form("Number of found fast clusters : %d",ncl));
7d62fb64 945
946 //cTree->Write();
947
7d62fb64 948 delete points;
949 return 0;
950}
7d62fb64 951
7d62fb64 952//_____________________________________________________________________
953void AliITS::CheckLabels(Int_t lab[3]) const {
954 //------------------------------------------------------------
955 // Tries to find mother's labels
956 //------------------------------------------------------------
957
958 if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit
959
960 Int_t ntracks = gAlice->GetMCApp()->GetNtrack();
961 for (Int_t i=0;i<3;i++){
962 Int_t label = lab[i];
963 if (label>=0 && label<ntracks) {
964 TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label);
965 if (part->P() < 0.005) {
966 Int_t m=part->GetFirstMother();
967 if (m<0) {
968 continue;
969 }
970 if (part->GetStatusCode()>0) {
971 continue;
972 }
973 lab[i]=m;
974 }
975 }
976 }
977
978}
979
980//______________________________________________________________________
981void AliITS::SDigitsToDigits(Option_t *opt){
ad7f2bfa 982 // Standard Summable digits to Digits function.
983 // Inputs:
984 // none.
985 // Outputs:
986 // none.
987 if (!fDetTypeSim) {
988 AliError("fDetTypeSim is 0!");
989 return;
990 }
7d62fb64 991
ad7f2bfa 992 const char *all = strstr(opt,"All");
993 const char *det[3] ={strstr(opt,"SPD"),strstr(opt,"SDD"),
994 strstr(opt,"SSD")};
995
996 // Reset Fast-OR signals for this event
997 fDetTypeSim->ResetFOSignals();
998
999 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
1000 SetDefaults();
c8af5b8f 1001 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
ad7f2bfa 1002 fDetTypeSim->SDigitsToDigits(opt,(Char_t*)GetName());
1003
1004 // Add random noise to FO signals
1005 if (all || det[0]) { // SPD present
1006 fDetTypeSim->ProcessNoiseForFastOr();
1007 }
1008 // Add Fast-OR signals to event (only one object per event)
1009 if (all || det[0]) { // SPD present
1010 fDetTypeSim->WriteFOSignals();
1011 }
7d62fb64 1012}
1013
2aea926d 1014//______________________________________________________________________
2aea926d 1015void AliITS::ResetDigits(){
4a5bebc2 1016 // Reset number of digits and the digits array for the ITS detector.
1017 // Inputs:
1018 // none.
1019 // Outputs:
1020 // none.
7d62fb64 1021 if(!fDetTypeSim) {
1022 Error("ResetDigits","fDetTypeSim is 0!");
1023 return;
1024 }
1025
1026 fDetTypeSim->ResetDigits();
3bd79107 1027
1028
2aea926d 1029}
1030//______________________________________________________________________
7d62fb64 1031void AliITS::ResetDigits(Int_t branch){
4a5bebc2 1032 // Reset number of digits and the digits array for this branch.
1033 // Inputs:
1034 // none.
1035 // Outputs:
1036 // none.
828e06c7 1037
7d62fb64 1038 if(!fDetTypeSim) {
1039 Error("ResetDigits","fDetTypeSim is 0!");
1040 return;
1041 }
1042
1043 fDetTypeSim->ResetDigits(branch);
1044
2aea926d 1045}
1046//______________________________________________________________________
1047void AliITS::AddSumDigit(AliITSpListItem &sdig){
4a5bebc2 1048 // Adds the a module full of summable digits to the summable digits tree.
1049 // Inputs:
1050 // AliITSpListItem &sdig SDigit to be added to SDigits tree.
1051 // Outputs:
1052 // none.
1053 // Return:
1054 // none.
828e06c7 1055
7d62fb64 1056 if(!fDetTypeSim) {
1057 Error("AddSumDigit","fDetTypeSim is 0!");
1058 return;
1059 }
1060 fDetTypeSim->AddSumDigit(sdig);
1061
828e06c7 1062}
2aea926d 1063//______________________________________________________________________
7d62fb64 1064void AliITS::AddSimDigit(Int_t branch, AliITSdigit *d){
4a5bebc2 1065 // Add a simulated digit.
1066 // Inputs:
1067 // Int_t id Detector type number.
1068 // AliITSdigit *d Digit to be added to the Digits Tree. See
1069 // AliITSdigit.h
1070 // Outputs:
1071 // none.
1072 // Return:
1073 // none.
2aea926d 1074
7d62fb64 1075 if(!fDetTypeSim) {
1076 Error("AddSimDigit","fDetTypeSim is 0!");
1077 return;
1078 }
1079 fDetTypeSim->AddSimDigit(branch,d);
1080
2aea926d 1081}
1082//______________________________________________________________________
7d62fb64 1083void AliITS::AddSimDigit(Int_t branch,Float_t phys,Int_t *digits,Int_t *tracks,
83ec5e27 1084 Int_t *hits,Float_t *charges, Int_t sigexpanded){
7f1a504b 1085 // Add a simulated digit to the list.
1086 // Inputs:
1087 // Int_t id Detector type number.
1088 // Float_t phys Physics indicator. See AliITSdigits.h
1089 // Int_t *digits Integer array containing the digits info. See
1090 // AliITSdigit.h
1091 // Int_t *tracks Integer array [AliITSdigitS?D::GetNTracks()]
1092 // containing the track numbers that contributed to
1093 // this digit.
1094 // Int_t *hits Integer array [AliITSdigitS?D::GetNTracks()]
1095 // containing the hit numbers, from AliITSmodule, that
1096 // contributed to this digit.
1097 // Float_t *charge Floating point array of the signals contributed
1098 // to this digit by each track.
1099 // Outputs:
1100 // none.
1101 // Return:
1102 // none.
2aea926d 1103
7d62fb64 1104 if(!fDetTypeSim) {
1105 Error("AddSimDigit","fDetTypeSim is 0!");
1106 return;
1107 }
83ec5e27 1108 fDetTypeSim->AddSimDigit(branch,phys,digits,tracks,hits,charges,sigexpanded);
7d62fb64 1109
2aea926d 1110}
0421c3d1 1111//______________________________________________________________________
aacedc3e 1112void AliITS::Digits2Raw(){
1113 // convert digits of the current event to raw data
0421c3d1 1114
7d62fb64 1115 if(!fDetTypeSim) {
1116 Error("Digits2Raw","fDetTypeSim is 0!");
1117 return;
1118 }
023ae34b 1119 fDetTypeSim->SetLoader((AliITSLoader*)fLoader);
7d62fb64 1120 SetDefaults();
c8af5b8f 1121 if(fSimuParam) fDetTypeSim->SetSimuParam(fSimuParam);
7d62fb64 1122 fDetTypeSim->GetLoader()->LoadDigits();
1123 TTree* digits = fDetTypeSim->GetLoader()->TreeD();
0421c3d1 1124 if (!digits) {
aacedc3e 1125 Error("Digits2Raw", "no digits tree");
1126 return;
0421c3d1 1127 }
7d62fb64 1128 fDetTypeSim->SetTreeAddressD(digits,(Char_t*)GetName());
ad7f2bfa 1129
1130 // Get the FO signals for this event
1131 AliITSFOSignalsSPD* foSignals = NULL;
1132 AliRunLoader* runLoader = AliRunLoader::Instance();
1133 AliITSLoader* itsLoader = (AliITSLoader*) runLoader->GetLoader("ITSLoader");
1134 if (!itsLoader) {
1135 AliError("ITS loader is NULL.");
1136 }
a0d76912 1137 else {
1138 if(!itsLoader->TreeD()) AliError(" !!! No TreeD available !!!");
1139 foSignals = (AliITSFOSignalsSPD*)itsLoader->TreeD()->GetUserInfo()->FindObject("AliITSFOSignalsSPD");
1140 if(!foSignals) AliError("FO signals not retrieved");
1141 }
1142
ad7f2bfa 1143 Bool_t deleteFOsignalsLater = kFALSE;
1144 if (!foSignals) {
1145 AliError("FO signals not available. No FO bits will be written.");
1146 foSignals = new AliITSFOSignalsSPD(); // make a temporary dummy signals object
1147 deleteFOsignalsLater = kTRUE;
1148 }
1149
1150
979b5a5f 1151 AliITSDDLModuleMapSDD* ddlsdd=fDetTypeSim->GetDDLModuleMapSDD();
d9ed1779 1152 Char_t rawSDD=fDetTypeSim->GetSimuParam()->GetSDDRawDataFormat();
0421c3d1 1153 AliITSDDLRawData rawWriter;
d9ed1779 1154
1155 rawWriter.SetSDDRawFormat(rawSDD);
0421c3d1 1156 //Verbose level
1157 // 0: Silent
1158 // 1: cout messages
1159 // 2: txt files with digits
1160 //BE CAREFUL, verbose level 2 MUST be used only for debugging and
1161 //it is highly suggested to use this mode only for debugging digits files
1162 //reasonably small, because otherwise the size of the txt files can reach
1163 //quickly several MB wasting time and disk space.
1164 rawWriter.SetVerbose(0);
1165
1166 //SILICON PIXEL DETECTOR
15e6a32c 1167 AliDebug(1,"Formatting raw data for SPD");
ad7f2bfa 1168 rawWriter.RawDataSPD(digits->GetBranch("ITSDigitsSPD"),foSignals);
1169 if(deleteFOsignalsLater) delete foSignals;
0421c3d1 1170
1171 //SILICON DRIFT DETECTOR
d9ed1779 1172 AliDebug(1,Form("Formatting raw data for SDD - Format code =%d",rawSDD));
979b5a5f 1173 rawWriter.RawDataSDD(digits->GetBranch("ITSDigitsSDD"),ddlsdd);
0421c3d1 1174
1175 //SILICON STRIP DETECTOR
15e6a32c 1176 AliDebug(1,"Formatting raw data for SSD");
0421c3d1 1177 rawWriter.RawDataSSD(digits->GetBranch("ITSDigitsSSD"));
1178
1179 fLoader->UnloadDigits();
2aea926d 1180}
04366a57 1181//______________________________________________________________________
aacedc3e 1182AliLoader* AliITS::MakeLoader(const char* topfoldername){
1183 //builds ITSgetter (AliLoader type)
1184 //if detector wants to use castomized getter, it must overload this method
1185
64f311fe 1186 AliDebug(1,Form("Creating AliITSLoader. Top folder is %s.",
1187 topfoldername));
aacedc3e 1188 fLoader = new AliITSLoader(GetName(),topfoldername);
1189 return fLoader;
2aea926d 1190}
ad7f2bfa 1191//______________________________________________________________________
0b5bf101 1192Bool_t AliITS::Raw2SDigits(AliRawReader* rawReader)
1193{
1194 //
1195 // Converts RAW data to SDigits
1196 //
1197 // Get TreeS
1198 //
1199 Int_t last = -1;
1200 Int_t size = GetITSgeom()->GetIndexMax();
1201 TClonesArray** modA = new TClonesArray*[size];
1202 for (Int_t mod = 0; mod < size; mod++) modA[mod] = new TClonesArray("AliITSpListItem", 10000);
1203
33c3c91a 1204 AliLoader* loader = (AliRunLoader::Instance())->GetLoader("ITSLoader");
ad7f2bfa 1205 if (!loader){
0b5bf101 1206 Error("Open","Can not get ITS loader from Run Loader");
1207 return kFALSE;
1208 }
1209
1210 TTree* tree = 0;
1211 tree = loader->TreeS();
ad7f2bfa 1212 if (!tree){
0b5bf101 1213 loader->MakeTree("S");
1214 tree = loader->TreeS();
1215 }
1216 //
1217 // Array for SDigits
1218 //
1219 TClonesArray aSDigits("AliITSpListItem",10000), *itsSDigits=&aSDigits;
1220 Int_t bufsize = 32000;
1221 tree->Branch("ITS", &itsSDigits, bufsize);
1222 Int_t npx = 0;
1223 //
1224 // SPD
1225 //
1226 AliITSsegmentationSPD* segSPD = (AliITSsegmentationSPD*) fDetTypeSim->GetSegmentationModel(0);
6a3ca9e7 1227 if(!segSPD){
1228 AliWarning("Set AliITS defaults");
1229 SetDefaults();
1230 segSPD = (AliITSsegmentationSPD*) fDetTypeSim->GetSegmentationModel(0);
1231 }
0b5bf101 1232 npx = segSPD->Npx();
1233 Double_t thr, sigma;
1234
1235 AliITSRawStreamSPD inputSPD(rawReader);
1236 while(1){
1237 Bool_t next = inputSPD.Next();
1238 if (!next) break;
1239
1240 Int_t module = inputSPD.GetModuleID();
1241 Int_t column = inputSPD.GetColumn();
1242 Int_t row = inputSPD.GetRow();
1243 Int_t index = npx * column + row;
1244
1245 if (module >= size) continue;
1246
1247 last = (modA[module])->GetEntries();
1248 TClonesArray& dum = *modA[module];
bb292d31 1249 fDetTypeSim->GetSimuParam()->SPDThresholds(module,thr,sigma);
0b5bf101 1250 thr += 1.;
1251 new (dum[last]) AliITSpListItem(-1, -1, module, index, thr);
1252 }
1253 rawReader->Reset();
1254
1255 //
1256 // SDD
1257 //
1258 AliITSsegmentationSDD* segSDD = (AliITSsegmentationSDD*) fDetTypeSim->GetSegmentationModel(1);
1259 npx = segSDD->Npx();
dee45d79 1260 Int_t scalef=AliITSsimulationSDD::ScaleFourier(segSDD);
1261 Int_t firstSDD=AliITSgeomTGeo::GetModuleIndex(3,1,1);
1262 Int_t firstSSD=AliITSgeomTGeo::GetModuleIndex(5,1,1);
1263
a4998655 1264 AliITSRawStream* inputSDD=AliITSRawStreamSDD::CreateRawStreamSDD(rawReader);
dee45d79 1265 for(Int_t iMod=firstSDD; iMod<firstSSD; iMod++){
1266 AliITSCalibrationSDD* cal = (AliITSCalibrationSDD*)fDetTypeSim->GetCalibrationModel(iMod);
1267 Bool_t isZeroSupp=cal->GetZeroSupp();
1268 if(isZeroSupp){
1269 for(Int_t iSid=0; iSid<2; iSid++) inputSDD->SetZeroSuppLowThreshold(iMod-firstSDD,iSid,cal->GetZSLowThreshold(iSid));
1270 }else{
1271 for(Int_t iSid=0; iSid<2; iSid++) inputSDD->SetZeroSuppLowThreshold(iMod-firstSDD,iSid,0);
1272 }
1273 }
1274
979b5a5f 1275 AliITSDDLModuleMapSDD* ddlmap=fDetTypeSim->GetDDLModuleMapSDD();
a4998655 1276 inputSDD->SetDDLModuleMap(ddlmap);
dee45d79 1277 while(inputSDD->Next()){
a4998655 1278 if(inputSDD->IsCompletedModule()==kFALSE &&
1279 inputSDD->IsCompletedDDL()==kFALSE){
0b5bf101 1280
a4998655 1281 Int_t module = inputSDD->GetModuleID();
dee45d79 1282 Int_t anode = inputSDD->GetCoord1()+segSDD->NpzHalf()*inputSDD->GetChannel();
a4998655 1283 Int_t time = inputSDD->GetCoord2();
1284 Int_t signal10 = inputSDD->GetSignal();
dee45d79 1285 Int_t index = AliITSpList::GetIndex(anode,time,scalef*npx);
a4998655 1286
1287 if (module >= size) continue;
1288 last = modA[module]->GetEntries();
1289 TClonesArray& dum = *modA[module];
1290 new (dum[last]) AliITSpListItem(-1, -1, module, index, Double_t(signal10));
1291 ((AliITSpListItem*) dum.At(last))->AddSignalAfterElect(module, index, Double_t(signal10));
1292 }
0b5bf101 1293 }
a4998655 1294 delete inputSDD;
0b5bf101 1295 rawReader->Reset();
a4998655 1296
0b5bf101 1297 //
1298 // SSD
1299 //
1300 AliITSsegmentationSSD* segSSD = (AliITSsegmentationSSD*) fDetTypeSim->GetSegmentationModel(2);
1301 npx = segSSD->Npx();
1302 AliITSRawStreamSSD inputSSD(rawReader);
1303 while(1){
1304 Bool_t next = inputSSD.Next();
1305 if (!next) break;
1306
1307 Int_t module = inputSSD.GetModuleID();
1308 Int_t side = inputSSD.GetSideFlag();
1309 Int_t strip = inputSSD.GetStrip();
1310 Int_t signal = inputSSD.GetSignal();
1311 Int_t index = npx * side + strip;
1312
1313 if (module >= size) continue;
1314
1315 last = modA[module]->GetEntries();
1316 TClonesArray& dum = *modA[module];
1317 new (dum[last]) AliITSpListItem(-1, -1, module, index, Double_t(signal));
1318 }
1319 rawReader->Reset();
8b3448d3 1320 AliITSpListItem* sdig = 0;
0b5bf101 1321
8b3448d3 1322 Int_t firstssd = GetITSgeom()->GetStartDet(kSSD);
1323 Double_t adcToEv = 1.;
0b5bf101 1324 for (Int_t mod = 0; mod < size; mod++)
8b3448d3 1325 {
1326 if(mod>=firstssd) {
1327 AliITSCalibrationSSD* calssd = (AliITSCalibrationSSD*)fDetTypeSim->GetCalibrationModel(mod);
1328 adcToEv = 1./calssd->GetSSDDEvToADC(1.);
1329 }
1330 Int_t nsdig = modA[mod]->GetEntries();
1331 for (Int_t ie = 0; ie < nsdig; ie++) {
1332 sdig = (AliITSpListItem*) (modA[mod]->At(ie));
1333 Int_t digsig = sdig->GetSignal();
1334 if(mod>=firstssd) digsig*=adcToEv; // for SSD: convert back charge from ADC to electron
1335 new (aSDigits[ie]) AliITSpListItem(-1, -1, mod, sdig->GetIndex(), digsig);
0b5bf101 1336 Float_t sig = sdig->GetSignalAfterElect();
8b3448d3 1337 if(mod>=firstssd) sig*=adcToEv;
0b5bf101 1338 if (sig > 0.) {
1339 sdig = (AliITSpListItem*)aSDigits[ie];
1340 sdig->AddSignalAfterElect(mod, sdig->GetIndex(), Double_t(sig));
1341 }
1342 }
1343
1344 tree->Fill();
1345 aSDigits.Clear();
1346 modA[mod]->Clear();
1347 }
1348 loader->WriteSDigits("OVERWRITE");
1349 delete modA;
1350 return kTRUE;
1351}
1352
1353
ef7ff1f9 1354//______________________________________________________________________
1355void AliITS::UpdateInternalGeometry(){
1356
ed9289c8 1357 //reads new geometry from TGeo
012f0f4c 1358// AliDebug(1,"Delete ITSgeom and create a new one reading TGeo");
1359
108bd0fe 1360 AliITSVersion_t version = (AliITSVersion_t)IsVersion();
1361 Int_t minor = 0;
012f0f4c 1362 if(version==kvPPRasymmFMD) minor=2; // default minor version for this geom.
1363 AliITSInitGeometry initgeom;
1364 AliITSgeom* geom = initgeom.CreateAliITSgeom(version,minor);
ef7ff1f9 1365 SetITSgeom(geom);
ef7ff1f9 1366}
ad7f2bfa 1367//______________________________________________________________________
1368AliTriggerDetector* AliITS::CreateTriggerDetector() const {
1369 // create an AliITSTrigger object (and set trigger conditions as input)
1370 return new AliITSTrigger(fDetTypeSim->GetTriggerConditions());
1371}