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Improved access to AliITSgeom in reconstruction
[u/mrichter/AliRoot.git] / ITS / AliITSvBeamTestITS04.cxx
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5ba31760 1////////////////////////////////////////////////////////
2// ITS geometry class and step manager for the //
3// integrated ITS test beam of Nov. 04 //
4// Author: mercedes.lopez.noriega@cern.ch //
5////////////////////////////////////////////////////////
6#include "AliRun.h"
7#include "AliITSvBeamTestITS04.h"
5ba31760 8#include <TClonesArray.h>
9#include <TString.h>
5ba31760 10#include "AliITS.h"
7d62fb64 11#include "AliITSDetTypeSim.h"
5ba31760 12#include "AliITSgeom.h"
13#include "AliITShit.h"
14#include "AliITSresponseSDD.h"
fcf95fc7 15#include "AliITSCalibrationSDD.h"
16#include "AliITSCalibrationSPD.h"
17#include "AliITSCalibrationSSD.h"
5ba31760 18#include "AliITSsegmentationSDD.h"
19#include "AliITSsegmentationSPD.h"
20#include "AliITSsegmentationSSD.h"
21#include "AliMagF.h"
22#include "TVirtualMC.h"
23#include "AliMC.h"
24
25const Int_t AliITSvBeamTestITS04::fgkNumberOfSPD = 4;
26const Int_t AliITSvBeamTestITS04::fgkNumberOfSDD = 2;
27const Int_t AliITSvBeamTestITS04::fgkNumberOfSSD = 4;
5ba31760 28// Dimension (thickness:Y (beam direction), width:X, length:Z)
29
30const char* AliITSvBeamTestITS04::fgSPDsensitiveVolName = "ITSspdSensitiv";
31//dimensions (preliminary values from Petra (in cms))
32const Double_t AliITSvBeamTestITS04::fgkSPDthickness = 0.02;
33const Double_t AliITSvBeamTestITS04::fgkSPDwidth = 1.4;
34const Double_t AliITSvBeamTestITS04::fgkSPDlength = 7.2;
35const Double_t AliITSvBeamTestITS04::fgkSPDthickSens = 0.02;
36const Double_t AliITSvBeamTestITS04::fgkSPDwidthSens = 1.2;
37const Double_t AliITSvBeamTestITS04::fgkSPDlengthSens = 7.0;
38//position
39const Double_t AliITSvBeamTestITS04::fgkSPD0y = 23.7;
40const Double_t AliITSvBeamTestITS04::fgkSPD1y = 33.7;
41
42//===
43const char* AliITSvBeamTestITS04::fgSDDsensitiveVolName = "ITSsddSensitiv";
44//dimensions (preliminary values from Ludovic (in cms))
45const Double_t AliITSvBeamTestITS04::fgkSDDthickness = 0.03;
46const Double_t AliITSvBeamTestITS04::fgkSDDwidth = 7.22;
47const Double_t AliITSvBeamTestITS04::fgkSDDlength = 8.76;
48const Double_t AliITSvBeamTestITS04::fgkSDDthickSens = 0.02998;
49const Double_t AliITSvBeamTestITS04::fgkSDDwidthSens = 7.017;
50const Double_t AliITSvBeamTestITS04::fgkSDDlengthSens = 7.497;
51//position
52const Double_t AliITSvBeamTestITS04::fgkSDD0y = 51.7;
53const Double_t AliITSvBeamTestITS04::fgkSDD1y = 57.2;
54
55//===
56const char* AliITSvBeamTestITS04::fgSSDsensitiveVolName = "ITSssdSensitiv";
57//dimensions (final values from Javier (in cms))
58const Double_t AliITSvBeamTestITS04::fgkSSDthickness = 0.03;
59const Double_t AliITSvBeamTestITS04::fgkSSDwidth = 7.7;
60const Double_t AliITSvBeamTestITS04::fgkSSDlength = 4.4;
61const Double_t AliITSvBeamTestITS04::fgkSSDthickSens = 0.03;
62const Double_t AliITSvBeamTestITS04::fgkSSDwidthSens = 7.5;
63const Double_t AliITSvBeamTestITS04::fgkSSDlengthSens = 4.2;
64//position
65const Double_t AliITSvBeamTestITS04::fgkSSD0y = 73.6;
66const Double_t AliITSvBeamTestITS04::fgkSSD1y = 80.6;
67
68//===============================================================
69
5ba31760 70
71#include <TLorentzVector.h>
72#include "AliTrackReference.h"
7d62fb64 73#include "AliITSDetTypeSim.h"
5ba31760 74#include "AliITSgeom.h"
75#include "AliITSgeomSDD.h"
76#include "AliITSgeomSPD.h"
77#include "AliITSgeomSSD.h"
78#include "AliITShit.h"
fcf95fc7 79#include "AliITSCalibrationSDD.h"
80#include "AliITSCalibrationSPD.h"
81#include "AliITSCalibrationSSD.h"
5ba31760 82#include "AliITSsegmentationSDD.h"
83#include "AliITSsegmentationSPD.h"
84#include "AliITSsegmentationSSD.h"
85
86#include <TGeoManager.h>
87#include <TGeoVolume.h>
88#include <TGeoPcon.h>
89
90ClassImp(AliITSvBeamTestITS04)
91
92//_____________________________________________________________
93AliITSvBeamTestITS04::AliITSvBeamTestITS04() : AliITS()
94{
95 //
96 // Constructor
97 //
98
99 SetNumberOfSPD(fgkNumberOfSPD);
100 SetNumberOfSDD(fgkNumberOfSDD);
101 SetNumberOfSSD(fgkNumberOfSSD);
102
103 fIdN = 3;
104 fIdName = new TString[fIdN];
105 fIdName[0] = fgSPDsensitiveVolName;
106 fIdName[1] = fgSDDsensitiveVolName;
107 fIdName[2] = fgSSDsensitiveVolName;
108 fIdSens = new Int_t[fIdN];
109 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
110
111 //for writing out geometry
112 fGeomDetOut = kFALSE;
113
114 // for reading in geometry (JC)
115 fGeomDetIn = kFALSE;
116
117 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
118}
119
120//_____________________________________________________________
121AliITSvBeamTestITS04::AliITSvBeamTestITS04(const char* name,const char *title)
122 : AliITS(name,title)
123{
124 //
125 // Constructor
126 //
127
128 SetNumberOfSPD(fgkNumberOfSPD);
129 SetNumberOfSDD(fgkNumberOfSDD);
130 SetNumberOfSSD(fgkNumberOfSSD);
131
132 fIdN = 3;
133 fIdName = new TString[fIdN];
134 fIdName[0] = fgSPDsensitiveVolName;
135 fIdName[1] = fgSDDsensitiveVolName;
136 fIdName[2] = fgSSDsensitiveVolName;
137 fIdSens = new Int_t[fIdN];
138 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
139
140 //for writing out geometry
141 fGeomDetOut = kFALSE; // Don't write .det file
142
143 // for reading in geometry (JC)
144 fGeomDetIn = kFALSE;
145
146 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
147}
148
149//______________________________________________________________________
150AliITSvBeamTestITS04::AliITSvBeamTestITS04(const AliITSvBeamTestITS04 &source) : AliITS(source){
151 //Copy constructor (dummy)
152 if(&source == this) return;
153 Warning("Copy Constructor","Not allowed to copy AliITSvSDD03");
154 return;
155}
156//______________________________________________________________________
157AliITSvBeamTestITS04& AliITSvBeamTestITS04::operator=(const AliITSvBeamTestITS04 &source){
158
159
160 // This class is not to be copied. Function only dummy.
161 if(&source == this) return *this;
162 Warning("= operator","Not allowed to copy AliITSvSDD03");
163 return *this;
164}
165
166//__________________________________________________________________
167AliITSvBeamTestITS04::~AliITSvBeamTestITS04()
168{
169 //
170 // Destructor
171 //
172}
173
174//______________________________________________________________________
175void AliITSvBeamTestITS04::CreateMaterials()
176{
177 // Media defined here should correspond to the one defined in galice.cuts
178 // This file is read in (AliMC*) fMCApp::Init() { ReadTransPar(); }
179
180 // Create ITS materials
181 Int_t ifield = gAlice->Field()->Integ();
182 Float_t fieldm = gAlice->Field()->Max();
183
184 Float_t tmaxfdSi = 0.1;
185 Float_t stemaxSi = 0.0075;
186 Float_t deemaxSi = 0.1;
187 Float_t epsilSi = 1.0E-4;
188 Float_t stminSi = 0.0;
189
190 Float_t tmaxfdAir = 0.1;
191 Float_t stemaxAir = .10000E+01;
192 Float_t deemaxAir = 0.1;
193 Float_t epsilAir = 1.0E-4;
194 Float_t stminAir = 0.0;
195
196 // AIR
197 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
198 Float_t zAir[4]={6.,7.,8.,18.};
199 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
200 Float_t dAir = 1.20479E-3;
201
202 AliMaterial(51,"ITSspdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
203 AliMedium(51,"ITSspdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
204
205 AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
206 AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
207
208 //AliMaterial(?,"ITSssdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
209 //AliMedium(?,"ITSssdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
210
211 AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
212 AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
213
214//NEED TO ADD PLASTIC OF SCINTILLATORS!!
215
216}
217
218//______________________________________________________________________
219void AliITSvBeamTestITS04::CreateGeometry()
220{
221 //Creates geometry
222 TGeoManager *geoManager = gGeoManager;
223 TGeoVolume *vALIC = geoManager->GetTopVolume();
224
225 //================================
226 // ITS mother volume
227 //================================
228 TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
229 // DefineSection(section number, Z, Rmin, Rmax).
230 sITS->DefineSection(0,-100.0,0.01,100.0); // Units in cms
231 sITS->DefineSection(1,+100.0,0.01,100.0);
232
233 TGeoMedium *air = gGeoManager->GetMedium("ITSair");
234 fITSmotherVolume = new TGeoVolume("vITS",sITS,air);
235 fITSmotherVolume->SetVisibility(kFALSE);
236 vALIC->AddNode(fITSmotherVolume,1,0);
237
238// //Scintillators
239// TGeoMedium *plasticScint = new TGeoMedium("plasticScint",1,Plastic);
240// //First Scintillator
241// TGeoBBox *Scint1Shape = new TGeoBBox("Scint1Shape",0.5,0.1,0.5,0); //1x1cm
242// TGeoVolume *Scint1 = new TGeoVolume("Scint1",Scint1Shape,plasticScint);
243// TGeoTranslation *firstScint = new TGeoTranslation(0,0.7,0);
244// vALIC->AddNode(Scint1,2,firstScint);
245// //Second Scintillator
246// TGeoBBox *Scint2Shape = new TGeoBBox("Scint2Shape",1.,0.1,1.,0); //2x2cm
247// TGeoVolume *Scint2 = new TGeoVolume("Scint2",Scint2Shape,plasticScint);
248// TGeoTranslation *secondScint = new TGeoTranslation(0,90.,0);
249// vALIC->AddNode(Scint2,3,secondScint);
250
251 AddSPDGeometry(fITSmotherVolume);
252 AddSDDGeometry(fITSmotherVolume);
253 AddSSDGeometry(fITSmotherVolume);
254}
255
256//______________________________________________________________________
257void AliITSvBeamTestITS04::Init()
258{
259 // Initialize the ITS after it has been created.
260 Int_t i;
261 for(i=0;i<20;i++) printf("*");
262 printf( " ITSbeamtest_Init " );
263 for(i=0;i<20;i++) printf("*"); printf("\n");
264
265// // Create geometry
266// if(!fGeomDetIn) this->InitAliITSgeom();
267
268 // Initialize AliITS
269 AliITS::Init();
270 for(i=0;i<40+16;i++) printf("*"); printf("\n");
271
272}
273
274//______________________________________________________________________
275void AliITSvBeamTestITS04::InitAliITSgeom()
276{
277 //initialisation of ITSgeom
278 const Int_t knlayers = 6;
279 Int_t nlad[knlayers], ndet[knlayers];
280
281 nlad[0] = 1; ndet[0] = 2;
282 nlad[1] = 1; ndet[1] = 2;
283 nlad[2] = 1; ndet[2] = 1;
284 nlad[3] = 1; ndet[3] = 1;
285 nlad[4] = 1; ndet[4] = 2;
286 nlad[5] = 1; ndet[5] = 2;
287
288 Int_t nModTot = fNspd + fNsdd + fNssd;
7d62fb64 289 if (GetITSgeom()) SetITSgeom(0x0);
290 AliITSgeom* geom = new AliITSgeom(0,knlayers,nlad,ndet,nModTot);
291 SetITSgeom(geom);
5ba31760 292 //*** Set default shapes
293 const Float_t kDxyzSPD[] = {fgkSPDwidthSens/2, fgkSPDthickSens/2,fgkSPDlengthSens/2};
7d62fb64 294 if(!(GetITSgeom()->IsShapeDefined(kSPD)))
295 GetITSgeom()->ReSetShape(kSPD,new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
5ba31760 296
297 const Float_t kDxyzSDD[] = {fgkSDDwidthSens/2., fgkSDDthickSens/2.,fgkSDDlengthSens/2.};
7d62fb64 298 if(!(GetITSgeom()->IsShapeDefined(kSDD)))
299 GetITSgeom()->ReSetShape(kSDD, new AliITSgeomSDD256(3,(Float_t *)kDxyzSDD));
5ba31760 300
301 const Float_t kDxyzSSD[] = {fgkSSDlengthSens/2, fgkSSDthickSens/2,fgkSSDwidthSens/2};
7d62fb64 302 if(!(GetITSgeom()->IsShapeDefined(kSSD)))
303 GetITSgeom()->ReSetShape(kSSD,new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
5ba31760 304
305 // Creating the matrices in AliITSgeom for each sensitive volume
306 // (like in AliITSv11GeometrySDD) mln
307 // Here, each layer is one detector
308
309 char layerName[30];
310 Int_t startMod = 0;
311
312 // SPD
313 for (Int_t i=0; i<fNspd;i++) {
314 sprintf(layerName, "ITSspdWafer_%i",i+1);
315 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
316 if (layNode) {
317 TGeoHMatrix layMatrix(*layNode->GetMatrix());
318 Double_t *trans = layMatrix.GetTranslation();
319 Double_t *r = layMatrix.GetRotationMatrix();
320 Double_t rot[10] = {r[0],r[1],r[2],
321 r[3],r[4],r[5],
322 r[6],r[7],r[8], 1.0};
323 Int_t iDet = 1;
324 if ((i+1==2)||(i+1==4)) iDet = 2;
325 Int_t iLad = 1;
326 Int_t iLay = 1;
327 if (i+1>2) iLay = 2;
7d62fb64 328 GetITSgeom()->CreatMatrix(startMod,iLay,iLad,iDet,kSPD,trans,rot);
5ba31760 329 startMod++;
330 };
331 };
332
333 // SDD
334 for (Int_t i=0; i<fNsdd;i++) {
335 sprintf(layerName, "ITSsddWafer_%i",i+fNspd+1);
336 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
337 if (layNode) {
338 TGeoHMatrix layMatrix(*layNode->GetMatrix());
339 Double_t *trans = layMatrix.GetTranslation();
340 Double_t *r = layMatrix.GetRotationMatrix();
341 Double_t rot[10] = {r[0],r[1],r[2],
342 r[3],r[4],r[5],
343 r[6],r[7],r[8], 1.0};
344 Int_t iDet = 1;
345 Int_t iLad = 1;
346 Int_t iLay = fNspd-1+i;
7d62fb64 347 GetITSgeom()->CreatMatrix(startMod,iLay,iLad,iDet,kSDD,trans,rot);
5ba31760 348 startMod++;
349 };
350 };
351
352 // SSD
353 for (Int_t i=0; i<fNssd;i++) {
354 sprintf(layerName, "ITSssdWafer_%i",i+fNspd+fNsdd+1);
355 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
356 if (layNode) {
357 TGeoHMatrix layMatrix(*layNode->GetMatrix());
358 Double_t *trans = layMatrix.GetTranslation();
359 Double_t *r = layMatrix.GetRotationMatrix();
360 Double_t rot[10] = {r[0],r[1],r[2],
361 r[3],r[4],r[5],
362 r[6],r[7],r[8], 1.0};
363 Int_t iDet = 1;
364 if ((i+1==2)||(i+1==4)) iDet = 2;
365 Int_t iLad = 1;
366 Int_t iLay = 5;
367 if (i+1>2) iLay = 6;
7d62fb64 368 GetITSgeom()->CreatMatrix(startMod,iLay,iLad,iDet,kSSD,trans,rot);
5ba31760 369 startMod++;
370 };
371 };
372
373 return;
374}
375
376//______________________________________________________________________
377void AliITSvBeamTestITS04::SetDefaults()
378{
379 // (from AliITSv11) mln
380
381 const Float_t kconv = 1.0e+04; // convert cm to microns
382
7d62fb64 383 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
384 fDetTypeSim->SetITSgeom(GetITSgeom());
fcf95fc7 385 fDetTypeSim->ResetCalibrationArray();
7d62fb64 386 fDetTypeSim->ResetSegmentation();
387
5ba31760 388 AliITSgeomSPD *s0;
389 AliITSgeomSDD *s1;
390 AliITSgeomSSD *s2;
391 Int_t i;
392 Float_t bx[256],bz[280];
393
394 // If fGeomDetIn is set true the geometry will
395 // be initialised from file (JC)
7d62fb64 396 if(GetITSgeom()!=0) SetITSgeom(0x0);
397 AliITSgeom* geom = new AliITSgeom();
398 SetITSgeom(geom);
399 if(fGeomDetIn) GetITSgeom()->ReadNewFile(fRead);
5ba31760 400 if(!fGeomDetIn) this->InitAliITSgeom();
7d62fb64 401 if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
5ba31760 402
403
404 // SPD
7d62fb64 405
406 s0 = (AliITSgeomSPD*) GetITSgeom()->GetShape(kSPD);// Get shape info.
5ba31760 407 if (s0) {
fcf95fc7 408 AliITSCalibration *resp0=new AliITSCalibrationSPD();
409 SetCalibrationModel(kSPD,resp0);
7d62fb64 410
411 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(GetITSgeom());
5ba31760 412 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
413 s0->GetDz()*2.*kconv, // for now.
414 s0->GetDy()*2.*kconv);// x,z,y full width in microns.
415 seg0->SetNPads(256,160); // Number of Bins in x and z
416 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
417 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
418 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
419 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
420 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
421 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
422 bz[127] = bz[128] = 625.0; // first chip boundry
423 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
424 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
425 SetSegmentationModel(kSPD,seg0);
426 // set digit and raw cluster classes to be used
fcf95fc7 427 const char *kData0=(fDetTypeSim->GetCalibrationModel(kSPD))->DataType();
5ba31760 428 if (strstr(kData0,"real"))
7d62fb64 429 fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigit");
430 else fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
431 }
5ba31760 432
433 // SDD
7d62fb64 434
435 s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info.
5ba31760 436 if (s1) {
fcf95fc7 437 AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
438 SetCalibrationModel(kSDD,resp1);
3a7c3e6d 439 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(GetITSgeom(),resp1);
440 seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
441 s1->GetDz()*4.*kconv, // for now.
442 s1->GetDy()*4.*kconv); // x,z,y full width in microns.
443 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
444 SetSegmentationModel(kSDD,seg1);
fcf95fc7 445 const char *kData1=(fDetTypeSim->GetCalibrationModel(kSDD))->DataType();
446 const char *kopt=resp1->GetZeroSuppOption();
3a7c3e6d 447 if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
448 fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigit");
7d62fb64 449 } else fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigitSDD");
450 }
5ba31760 451
452 // SSD
7d62fb64 453
454 s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
5ba31760 455 if (s2) {
fcf95fc7 456 AliITSCalibration *resp2=new AliITSCalibrationSSD("simulated");
457 SetCalibrationModel(kSSD,resp2);
7d62fb64 458
459 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(GetITSgeom());
460 seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
461 s2->GetDz()*2.*kconv, // for now.
462 s2->GetDy()*2.*kconv); // x,z,y full width in microns.
463 seg2->SetPadSize(95.,0.); // strip x pitch in microns
464 seg2->SetNPads(768,0); // number of strips on each side.
465 seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
466 seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
467 seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
468 SetSegmentationModel(kSSD,seg2);
fcf95fc7 469 const char *kData2=(fDetTypeSim->GetCalibrationModel(kSSD))->DataType();
7d62fb64 470 if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
471 else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
472 }
473
474 if(fgkNTYPES>3){Warning("SetDefaults","Only the four basic detector types are initialised!");}
5ba31760 475 return;
e93245aa 476}
5ba31760 477
478//______________________________________________________________________
479void AliITSvBeamTestITS04::AddSPDGeometry(TGeoVolume *moth) const
480{
481 //Adds SPD geometry
482 TGeoMedium *siliconSPD = gGeoManager->GetMedium("ITSspdSi");
483
484 //outer volume
485 TGeoBBox *waferSPDshape = new TGeoBBox("ITSspdWaferShape",fgkSPDwidth/2,fgkSPDthickness/2,fgkSPDlength/2,0);
486 TGeoVolume *waferSPD = new TGeoVolume("ITSspdWafer",waferSPDshape,siliconSPD);
487 //sensitive volume
488 TGeoBBox *sensSPDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSPDwidthSens/2,fgkSPDthickSens/2,fgkSPDlengthSens/2,0);
489 TGeoVolume *sensVolSPD = new TGeoVolume(fgSPDsensitiveVolName,sensSPDbox,siliconSPD);
490 waferSPD->AddNode(sensVolSPD, 1, 0); //added to outer volume
491
492 //locate them in space (with respect top volume)
493 TGeoTranslation *spd1tr = new TGeoTranslation(0,fgkSPD0y,fgkSPDlength/2);
494 TGeoTranslation *spd2tr = new TGeoTranslation(0,fgkSPD0y,-fgkSPDlength/2);
495
496 TGeoTranslation *spd3tr = new TGeoTranslation(0,fgkSPD1y,fgkSPDlength/2);
497 TGeoTranslation *spd4tr = new TGeoTranslation(0,fgkSPD1y,-fgkSPDlength/2);
498
499 //add to top volume
500 moth->AddNode(waferSPD, 1, spd1tr);
501 moth->AddNode(waferSPD, 2, spd2tr);
502 moth->AddNode(waferSPD, 3, spd3tr);
503 moth->AddNode(waferSPD, 4, spd4tr);
504
505 //draw options
506 waferSPD->SetLineColor(4);
507 sensVolSPD->SetLineColor(4);
e93245aa 508}
5ba31760 509
510
511//______________________________________________________________________
512void AliITSvBeamTestITS04::AddSDDGeometry(TGeoVolume *moth) const
513{
514 //Adds SDD geometry
515 TGeoMedium *siliconSDD = gGeoManager->GetMedium("ITSsddSi");
516
517 //outer volume
518 TGeoBBox *waferSDDshape = new TGeoBBox("ITSsddWaferShape",fgkSDDwidth/2,fgkSDDthickness/2,fgkSDDlength/2,0);
519 TGeoVolume *waferSDD = new TGeoVolume("ITSsddWafer",waferSDDshape,siliconSDD);
520 //sensitive volume
521 TGeoBBox *sensSDDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSDDwidthSens/2,fgkSDDthickSens/2,fgkSDDlengthSens/2,0);
522 TGeoVolume *sensVolSDD = new TGeoVolume(fgSDDsensitiveVolName,sensSDDbox,siliconSDD);
523 waferSDD->AddNode(sensVolSDD, 1, 0); //added to outer volume
524
525 //locate them in space
526 TGeoTranslation *sdd1tr = new TGeoTranslation(0,fgkSDD0y,0);
527 TGeoTranslation *sdd2tr = new TGeoTranslation(0,fgkSDD1y,0);
528
529 //add to top volume
530 moth->AddNode(waferSDD, fNspd+1, sdd1tr);
531 moth->AddNode(waferSDD, fNspd+2, sdd2tr);
532
533 //draw options
534 waferSDD->SetLineColor(3);
535 sensVolSDD->SetLineColor(3);
e93245aa 536}
5ba31760 537
538
539//______________________________________________________________________
540void AliITSvBeamTestITS04::AddSSDGeometry(TGeoVolume *moth) const
541{
542 //Adds SSD geometry
543 TGeoMedium *siliconSSD = gGeoManager->GetMedium("ITSspdSi"); // SSD medium still needed!!!
544
545 //outer volume
546 TGeoBBox *waferSSDshape = new TGeoBBox("ITSssdWaferShape",fgkSSDwidth/2,fgkSSDthickness/2,fgkSSDlength/2,0);
547 TGeoVolume *waferSSD = new TGeoVolume("ITSssdWafer",waferSSDshape,siliconSSD);
548 //sensitive volume
549 TGeoBBox *sensSSDbox = new TGeoBBox("ITSssdSensorSensBox",fgkSSDwidthSens/2,fgkSSDthickSens/2,fgkSSDlengthSens/2,0);
550 TGeoVolume *sensVolSSD = new TGeoVolume(fgSSDsensitiveVolName,sensSSDbox,siliconSSD);
551 waferSSD->AddNode(sensVolSSD, 1, 0);
552
553 //locate them in space
554 /* In the SSD, there was an overlap of sensitive volumes of 2.9mm = 0.29cm (0.29/2=0.145)
555 in the modules in the same plane, therefore the modules where not in the same plane in
556 the Y direction, there was a "thickness" (0.03cm) difference */
557 TGeoTranslation *ssd1tr = new TGeoTranslation(0,fgkSSD0y,fgkSSDlength/2-0.145);
558 TGeoTranslation *ssd2tr = new TGeoTranslation(0,fgkSSD0y+0.03,-fgkSSDlength/2+0.145);
559
560 TGeoTranslation *ssd3tr = new TGeoTranslation(0,fgkSSD1y,fgkSSDlength/2-0.145);
561 TGeoTranslation *ssd4tr = new TGeoTranslation(0,fgkSSD1y+0.03,-fgkSSDlength/2+0.145);
562
563 //add to top volume
564 moth->AddNode(waferSSD, fNspd+fNsdd+1, ssd1tr);
565 moth->AddNode(waferSSD, fNspd+fNsdd+2, ssd2tr);
566 moth->AddNode(waferSSD, fNspd+fNsdd+3, ssd3tr);
567 moth->AddNode(waferSSD, fNspd+fNsdd+4, ssd4tr);
568
569 //draw options
570 waferSSD->SetLineColor(2);
571 sensVolSSD->SetLineColor(2);
e93245aa 572}
5ba31760 573
574//______________________________________________________________________
575void AliITSvBeamTestITS04::StepManager()
576{
577 // Called for every step in the ITS, then calles the AliITShit class
578 // creator with the information to be recoreded about that hit.
579
580 // "Standard" StepManager. (Similar to AliITSv11) mln
581 Int_t copy, id;
582 TLorentzVector position, momentum;
583 static TLorentzVector position0;
584 static Int_t stat0=0;
585
586 if(!(this->IsActive())){
587 return;
588 } // end if !Active volume.
589
590 if(!(gMC->TrackCharge())) return;
591
592 id=gMC->CurrentVolID(copy);
593
594 Bool_t sensvol = kFALSE;
595 for(Int_t kk = 0; kk < fIdN; kk++)
596 if(id == fIdSens[kk]) sensvol = kTRUE;
597
598 if (sensvol && (gMC->IsTrackExiting())) {
599 copy = fTrackReferences->GetEntriesFast();
600 TClonesArray &lTR = *fTrackReferences;
601 // Fill TrackReference structure with this new TrackReference.
602 new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
603 } // if Outer ITS mother Volume
604
605 Int_t vol[5];
606 TClonesArray &lhits = *fHits;
607 //
608 // Track status
609 vol[3] = 0;
610 vol[4] = 0;
611 // Fill hit structure.
612 if(gMC->IsTrackInside()) vol[3] += 1;
613 if(gMC->IsTrackEntering()) vol[3] += 2;
614 if(gMC->IsTrackExiting()) vol[3] += 4;
615 if(gMC->IsTrackOut()) vol[3] += 8;
616 if(gMC->IsTrackDisappeared()) vol[3] += 16;
617 if(gMC->IsTrackStop()) vol[3] += 32;
618 if(gMC->IsTrackAlive()) vol[3] += 64;
619
620 // Only entering charged tracks
621 if(!(gMC->TrackCharge())) return;
622
623 if( ((id = gMC->CurrentVolID(copy)) == fIdSens[0]) ||
624 ((id = gMC->CurrentVolID(copy)) == fIdSens[1]) ||
625 ((id = gMC->CurrentVolID(copy)) == fIdSens[2]) )
626 {
627 GetCurrentLayLaddDet(vol[0], vol[2], vol[1]);
628 // vol[2], vol[1]) : in this order because the ladder
629 // index and the det. index are exchanged in the constructor
630 // of AliITShit...
631 } else {
632 return; // not an ITS volume?
633 };
634
635 gMC->TrackPosition(position);
636 gMC->TrackMomentum(momentum);
637 vol[4] = stat0;
638 if(gMC->IsTrackEntering()){
639 position0 = position;
640 stat0 = vol[3];
641 return;
642 } // end if IsEntering
643 // Fill hit structure with this new hit.
644 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),
645 vol, gMC->Edep(),gMC->TrackTime(),position,
646 position0,momentum);
647 //
648 position0 = position;
649 stat0 = vol[3];
650 return;
e93245aa 651}
5ba31760 652
653//______________________________________________________________________
654Int_t AliITSvBeamTestITS04::GetCurrentLayLaddDet(Int_t &lay,Int_t &ladd, Int_t &det) const
655{
656 // Function which gives the layer, ladder and det.
657 // index of the current volume. To be used in
658 // AliITS::StepManager()
659
660 det = 1; ladd = 1;
661
662 TGeoNode *node = gGeoManager->GetMother(1);
663 if (!node) return kFALSE;
664 Int_t nodeNum = node->GetNumber();
665
666 // GetNumber() return the index recorded in the node
667
668 if (nodeNum==5||nodeNum==6) { // SDD: one layer, one detector
669 lay = nodeNum-2;
670 } else if (nodeNum==3||nodeNum==4) { // SPD layer 2
671 lay = 2;
672 if (nodeNum==4) det = 2;
673 } else if (nodeNum==1||nodeNum==2){ // SPD layer 1
674 lay = 1;
675 if (nodeNum==2) det = 2;
676 } else if (nodeNum==9||nodeNum==10) { // SSD layer 2
677 lay = 6;
678 if (nodeNum==10) det = 2;
679 } else if (nodeNum==7||nodeNum==8){ // SSD layer 1
680 lay = 5;
681 if (nodeNum==8) det = 2;
682 };
683
684 return kTRUE;
e93245aa 685}
5ba31760 686
687//_____________________________________________________________
688
689 Int_t AliITSvBeamTestITS04::GetNumberOfSubDet(const TString& det) const{
690
691 //Get number of individual detectors
692 if(det.Contains("SPD")) return fNspd;
693 if(det.Contains("SDD")) return fNsdd;
694 if(det.Contains("SSD")) return fNssd;
695 return 0;
696 }