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 ////////////////////////////////////////////////////////
9 #include "AliITSgeom.h"
10 #include "AliITShit.h"
11 #include "AliITSvBeamTestITS04.h"
15 #include "AliTrackReference.h"
17 #include <TVirtualMC.h>
18 #include <TClonesArray.h>
19 #include <TGeoGlobalMagField.h>
20 #include <TGeoManager.h>
21 #include <TGeoMatrix.h>
23 #include <TGeoVolume.h>
24 #include <TLorentzVector.h>
27 const Int_t AliITSvBeamTestITS04::fgkNumberOfSPD = 4;
28 const Int_t AliITSvBeamTestITS04::fgkNumberOfSDD = 2;
29 const Int_t AliITSvBeamTestITS04::fgkNumberOfSSD = 4;
30 // Dimension (thickness:Y (beam direction), width:X, length:Z)
32 const char* AliITSvBeamTestITS04::fgSPDsensitiveVolName = "ITSspdSensitiv";
33 //dimensions (preliminary values from Petra (in cms))
34 const Double_t AliITSvBeamTestITS04::fgkSPDthickness = 0.02;
35 const Double_t AliITSvBeamTestITS04::fgkSPDwidth = 1.4;
36 const Double_t AliITSvBeamTestITS04::fgkSPDlength = 7.2;
37 const Double_t AliITSvBeamTestITS04::fgkSPDthickSens = 0.02;
38 const Double_t AliITSvBeamTestITS04::fgkSPDwidthSens = 1.2;
39 const Double_t AliITSvBeamTestITS04::fgkSPDlengthSens = 7.0;
41 const Double_t AliITSvBeamTestITS04::fgkSPD0y = 23.7;
42 const Double_t AliITSvBeamTestITS04::fgkSPD1y = 33.7;
45 const char* AliITSvBeamTestITS04::fgSDDsensitiveVolName = "ITSsddSensitiv";
46 //dimensions (preliminary values from Ludovic (in cms))
47 const Double_t AliITSvBeamTestITS04::fgkSDDthickness = 0.03;
48 const Double_t AliITSvBeamTestITS04::fgkSDDwidth = 7.22;
49 const Double_t AliITSvBeamTestITS04::fgkSDDlength = 8.76;
50 const Double_t AliITSvBeamTestITS04::fgkSDDthickSens = 0.02998;
51 const Double_t AliITSvBeamTestITS04::fgkSDDwidthSens = 7.017;
52 const Double_t AliITSvBeamTestITS04::fgkSDDlengthSens = 7.497;
54 const Double_t AliITSvBeamTestITS04::fgkSDD0y = 51.7;
55 const Double_t AliITSvBeamTestITS04::fgkSDD1y = 57.2;
58 const char* AliITSvBeamTestITS04::fgSSDsensitiveVolName = "ITSssdSensitiv";
59 //dimensions (final values from Javier (in cms))
60 const Double_t AliITSvBeamTestITS04::fgkSSDthickness = 0.03;
61 const Double_t AliITSvBeamTestITS04::fgkSSDwidth = 7.7;
62 const Double_t AliITSvBeamTestITS04::fgkSSDlength = 4.4;
63 const Double_t AliITSvBeamTestITS04::fgkSSDthickSens = 0.03;
64 const Double_t AliITSvBeamTestITS04::fgkSSDwidthSens = 7.5;
65 const Double_t AliITSvBeamTestITS04::fgkSSDlengthSens = 4.2;
67 const Double_t AliITSvBeamTestITS04::fgkSSD0y = 73.6;
68 const Double_t AliITSvBeamTestITS04::fgkSSD1y = 80.6;
70 //===============================================================
74 ClassImp(AliITSvBeamTestITS04)
76 //_____________________________________________________________
77 AliITSvBeamTestITS04::AliITSvBeamTestITS04() :
78 AliITS(), // Base class
79 fITSmotherVolume(0), // Pointer to ITS mother volume.
80 fNspd(fgkNumberOfSPD), //Number of SPD modules
81 fNsdd(fgkNumberOfSDD), //Number of SDD modules
82 fNssd(fgkNumberOfSSD), //Number of SSD modules
83 fGeomDetOut(kFALSE), // Flag to write .det file out
84 fGeomDetIn(kFALSE), // Flag to read geometry file (JC)
85 fWrite(), //! file name to write .det file
86 fRead(), // file name to read .det file (JC)
87 fMajorVersion(kvITS04),// Major Version
88 fMinorVersion(1), // Minor Version
89 fIgm(kvITS04) //! Init geometry object
96 fIdName = new TString[fIdN];
97 fIdName[0] = fgSPDsensitiveVolName;
98 fIdName[1] = fgSDDsensitiveVolName;
99 fIdName[2] = fgSSDsensitiveVolName;
100 fIdSens = new Int_t[fIdN];
101 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
103 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
105 //_____________________________________________________________
106 AliITSvBeamTestITS04::AliITSvBeamTestITS04(const char* name,const char *title):
107 AliITS(name,title), // Base class
108 fITSmotherVolume(0), // Pointer to ITS mother volume.
109 fNspd(fgkNumberOfSPD), //Number of SPD modules
110 fNsdd(fgkNumberOfSDD), //Number of SDD modules
111 fNssd(fgkNumberOfSSD), //Number of SSD modules
112 fGeomDetOut(kFALSE), // Flag to write .det file out
113 fGeomDetIn(kFALSE), // Flag to read geometry file (JC)
114 fWrite(), //! file name to write .det file
115 fRead(), // file name to read .det file (JC)
116 fMajorVersion(kvITS04),// Major Version
117 fMinorVersion(1), // Minor Version
118 fIgm(kvITS04) //! Init geometry object
125 fIdName = new TString[fIdN];
126 fIdName[0] = fgSPDsensitiveVolName;
127 fIdName[1] = fgSDDsensitiveVolName;
128 fIdName[2] = fgSSDsensitiveVolName;
129 fIdSens = new Int_t[fIdN];
130 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
131 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
133 //__________________________________________________________________
134 AliITSvBeamTestITS04::~AliITSvBeamTestITS04(){
139 //______________________________________________________________________
140 void AliITSvBeamTestITS04::CreateMaterials(){
141 // Media defined here should correspond to the one defined in galice.cuts
142 // This file is read in (AliMC*) fMCApp::Init() { ReadTransPar(); }
143 // Create ITS materials
144 Int_t ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
145 Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
147 Float_t tmaxfdSi = 0.1;
148 Float_t stemaxSi = 0.0075;
149 Float_t deemaxSi = 0.1;
150 Float_t epsilSi = 1.0E-4;
151 Float_t stminSi = 0.0;
153 Float_t tmaxfdAir = 0.1;
154 Float_t stemaxAir = .10000E+01;
155 Float_t deemaxAir = 0.1;
156 Float_t epsilAir = 1.0E-4;
157 Float_t stminAir = 0.0;
160 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
161 Float_t zAir[4]={6.,7.,8.,18.};
162 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
163 Float_t dAir = 1.20479E-3;
165 AliMaterial(51,"ITSspdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
166 AliMedium(51,"ITSspdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
168 AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
169 AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
171 //AliMaterial(?,"ITSssdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
172 //AliMedium(?,"ITSssdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
174 AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
175 AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
177 //NEED TO ADD PLASTIC OF SCINTILLATORS!!
181 //______________________________________________________________________
182 void AliITSvBeamTestITS04::CreateGeometry(){
184 // These constant character strings are set by cvs during commit
185 // do not change them unless you know what you are doing!
186 const Char_t *cvsDate="$Date$";
187 const Char_t *cvsRevision="$Revision$";
188 TGeoManager *geoManager = gGeoManager;
189 TGeoVolume *vALIC = geoManager->GetTopVolume();
191 //================================
193 //================================
194 TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
195 // DefineSection(section number, Z, Rmin, Rmax).
196 sITS->DefineSection(0,-100.0,0.01,100.0); // Units in cms
197 sITS->DefineSection(1,+100.0,0.01,100.0);
199 TGeoMedium *air = geoManager->GetMedium("ITSair");
200 fITSmotherVolume = new TGeoVolume("ITSV",sITS,air);
201 const Int_t kLength=100;
202 Char_t vstrng[kLength];
203 if(fIgm.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
204 fMinorVersion,cvsDate,cvsRevision))
205 fITSmotherVolume->SetTitle(vstrng);
206 else Error("CreateGeometry","Error writing/setting version string");
207 //printf("Title set to %s\n",vstrng);
209 Error("CreateGeometry","alic=0");
212 fITSmotherVolume->SetVisibility(kFALSE);
213 vALIC->AddNode(fITSmotherVolume,1,0);
216 // TGeoMedium *plasticScint = new TGeoMedium("plasticScint",1,Plastic);
217 // //First Scintillator
218 // TGeoBBox *Scint1Shape = new TGeoBBox("Scint1Shape",0.5,0.1,0.5,0); //1x1cm
219 // TGeoVolume *Scint1 = new TGeoVolume("Scint1",Scint1Shape,plasticScint);
220 // TGeoTranslation *firstScint = new TGeoTranslation(0,0.7,0);
221 // vALIC->AddNode(Scint1,2,firstScint);
222 // //Second Scintillator
223 // TGeoBBox *Scint2Shape = new TGeoBBox("Scint2Shape",1.,0.1,1.,0); //2x2cm
224 // TGeoVolume *Scint2 = new TGeoVolume("Scint2",Scint2Shape,plasticScint);
225 // TGeoTranslation *secondScint = new TGeoTranslation(0,90.,0);
226 // vALIC->AddNode(Scint2,3,secondScint);
228 AddSPDGeometry(fITSmotherVolume);
229 AddSDDGeometry(fITSmotherVolume);
230 AddSSDGeometry(fITSmotherVolume);
233 //______________________________________________________________________
234 void AliITSvBeamTestITS04::Init()
236 // Initialize the ITS after it has been created.
244 AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
247 UpdateInternalGeometry();
249 if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
254 //______________________________________________________________________
255 void AliITSvBeamTestITS04::InitAliITSgeom()
257 //initialisation of ITSgeom
258 const Int_t knlayers = 6;
259 Int_t nlad[knlayers], ndet[knlayers];
261 nlad[0] = 1; ndet[0] = 2;
262 nlad[1] = 1; ndet[1] = 2;
263 nlad[2] = 1; ndet[2] = 1;
264 nlad[3] = 1; ndet[3] = 1;
265 nlad[4] = 1; ndet[4] = 2;
266 nlad[5] = 1; ndet[5] = 2;
268 Int_t nModTot = fNspd + fNsdd + fNssd;
269 if (GetITSgeom()) SetITSgeom(0x0);
270 AliITSgeom* geom = new AliITSgeom(0,knlayers,nlad,ndet,nModTot);
272 // *** Set default shapes
273 const Float_t kDxyzSPD[] = {fgkSPDwidthSens/2, fgkSPDthickSens/2,fgkSPDlengthSens/2};
274 if(!(GetITSgeom()->IsShapeDefined(kSPD)))
275 GetITSgeom()->ReSetShape(kSPD,new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
277 const Float_t kDxyzSDD[] = {fgkSDDwidthSens/2., fgkSDDthickSens/2.,fgkSDDlengthSens/2.};
278 if(!(GetITSgeom()->IsShapeDefined(kSDD)))
279 GetITSgeom()->ReSetShape(kSDD, new AliITSgeomSDD256(3,(Float_t *)kDxyzSDD));
281 const Float_t kDxyzSSD[] = {fgkSSDlengthSens/2, fgkSSDthickSens/2,fgkSSDwidthSens/2};
282 if(!(GetITSgeom()->IsShapeDefined(kSSD)))
283 GetITSgeom()->ReSetShape(kSSD,new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
285 // Creating the matrices in AliITSgeom for each sensitive volume
286 // (like in AliITSv11GeometrySDD) mln
287 // Here, each layer is one detector
293 for (Int_t i=0; i<fNspd;i++) {
294 sprintf(layerName, "ITSspdWafer_%i",i+1);
295 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
297 TGeoHMatrix layMatrix(*layNode->GetMatrix());
298 Double_t *trans = layMatrix.GetTranslation();
299 Double_t *r = layMatrix.GetRotationMatrix();
300 Double_t rot[10] = {r[0],r[1],r[2],
302 r[6],r[7],r[8], 1.0};
304 if ((i+1==2)||(i+1==4)) iDet = 2;
308 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSPD,trans,rot);
314 for (Int_t i=0; i<fNsdd;i++) {
315 sprintf(layerName, "ITSsddWafer_%i",i+fNspd+1);
316 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
318 TGeoHMatrix layMatrix(*layNode->GetMatrix());
319 Double_t *trans = layMatrix.GetTranslation();
320 Double_t *r = layMatrix.GetRotationMatrix();
321 Double_t rot[10] = {r[0],r[1],r[2],
323 r[6],r[7],r[8], 1.0};
326 Int_t iLay = fNspd-1+i;
327 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSDD,trans,rot);
333 for (Int_t i=0; i<fNssd;i++) {
334 sprintf(layerName, "ITSssdWafer_%i",i+fNspd+fNsdd+1);
335 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
337 TGeoHMatrix layMatrix(*layNode->GetMatrix());
338 Double_t *trans = layMatrix.GetTranslation();
339 Double_t *r = layMatrix.GetRotationMatrix();
340 Double_t rot[10] = {r[0],r[1],r[2],
342 r[6],r[7],r[8], 1.0};
344 if ((i+1==2)||(i+1==4)) iDet = 2;
348 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSSD,trans,rot);
355 //______________________________________________________________________
356 void AliITSvBeamTestITS04::SetDefaults()
358 // (from AliITSv11) mln
360 const Float_t kconv = 1.0e+04; // convert cm to microns
362 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
363 fDetTypeSim->SetITSgeom(GetITSgeom());
364 fDetTypeSim->ResetCalibrationArray();
365 fDetTypeSim->ResetSegmentation();
371 Float_t bx[256],bz[280];
373 // If fGeomDetIn is set true the geometry will
374 // be initialised from file (JC)
375 if(GetITSgeom()!=0) SetITSgeom(0x0);
376 AliITSgeom* geom = new AliITSgeom();
378 if(fGeomDetIn) GetITSgeom()->ReadNewFile(fRead);
379 if(!fGeomDetIn) this->InitAliITSgeom();
380 if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
385 s0 = (AliITSgeomSPD*) GetITSgeom()->GetShape(kSPD);// Get shape info.
387 AliITSCalibration *resp0=new AliITSCalibrationSPD();
388 SetCalibrationModel(kSPD,resp0);
390 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD();
391 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
392 s0->GetDz()*2.*kconv, // for now.
393 s0->GetDy()*2.*kconv);// x,z,y full width in microns.
394 seg0->SetNPads(256,160); // Number of Bins in x and z
395 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
396 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
397 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
398 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
399 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
400 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
401 bz[127] = bz[128] = 625.0; // first chip boundry
402 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
403 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
404 SetSegmentationModel(kSPD,seg0);
409 s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info.
411 AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
412 SetCalibrationModel(kSDD,resp1);
413 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD();
414 seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
415 s1->GetDz()*4.*kconv, // for now.
416 s1->GetDy()*4.*kconv); // x,z,y full width in microns.
417 seg1->SetDriftSpeed(AliITSDriftSpeedSDD::DefaultDriftSpeed());
418 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
419 SetSegmentationModel(kSDD,seg1);
424 s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
426 AliITSCalibration *resp2=new AliITSCalibrationSSD("simulated");
427 SetCalibrationModel(kSSD,resp2);
429 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD();
430 seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
431 s2->GetDz()*2.*kconv, // for now.
432 s2->GetDy()*2.*kconv); // x,z,y full width in microns.
433 seg2->SetPadSize(95.,0.); // strip x pitch in microns
434 seg2->SetNPads(768,0); // number of strips on each side.
435 seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
436 SetSegmentationModel(kSSD,seg2);
439 if(fgkNTYPES>3){Warning("SetDefaults","Only the four basic detector types are initialised!");}
443 //______________________________________________________________________
444 void AliITSvBeamTestITS04::AddSPDGeometry(TGeoVolume *moth) const
447 TGeoMedium *siliconSPD = gGeoManager->GetMedium("ITSspdSi");
450 TGeoBBox *waferSPDshape = new TGeoBBox("ITSspdWaferShape",fgkSPDwidth/2,fgkSPDthickness/2,fgkSPDlength/2,0);
451 TGeoVolume *waferSPD = new TGeoVolume("ITSspdWafer",waferSPDshape,siliconSPD);
453 TGeoBBox *sensSPDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSPDwidthSens/2,fgkSPDthickSens/2,fgkSPDlengthSens/2,0);
454 TGeoVolume *sensVolSPD = new TGeoVolume(fgSPDsensitiveVolName,sensSPDbox,siliconSPD);
455 waferSPD->AddNode(sensVolSPD, 1, 0); //added to outer volume
457 //locate them in space (with respect top volume)
458 TGeoTranslation *spd1tr = new TGeoTranslation(0,fgkSPD0y,fgkSPDlength/2);
459 TGeoTranslation *spd2tr = new TGeoTranslation(0,fgkSPD0y,-fgkSPDlength/2);
461 TGeoTranslation *spd3tr = new TGeoTranslation(0,fgkSPD1y,fgkSPDlength/2);
462 TGeoTranslation *spd4tr = new TGeoTranslation(0,fgkSPD1y,-fgkSPDlength/2);
465 moth->AddNode(waferSPD, 1, spd1tr);
466 moth->AddNode(waferSPD, 2, spd2tr);
467 moth->AddNode(waferSPD, 3, spd3tr);
468 moth->AddNode(waferSPD, 4, spd4tr);
471 waferSPD->SetLineColor(4);
472 sensVolSPD->SetLineColor(4);
476 //______________________________________________________________________
477 void AliITSvBeamTestITS04::AddSDDGeometry(TGeoVolume *moth) const
480 TGeoMedium *siliconSDD = gGeoManager->GetMedium("ITSsddSi");
483 TGeoBBox *waferSDDshape = new TGeoBBox("ITSsddWaferShape",fgkSDDwidth/2,fgkSDDthickness/2,fgkSDDlength/2,0);
484 TGeoVolume *waferSDD = new TGeoVolume("ITSsddWafer",waferSDDshape,siliconSDD);
486 TGeoBBox *sensSDDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSDDwidthSens/2,fgkSDDthickSens/2,fgkSDDlengthSens/2,0);
487 TGeoVolume *sensVolSDD = new TGeoVolume(fgSDDsensitiveVolName,sensSDDbox,siliconSDD);
488 waferSDD->AddNode(sensVolSDD, 1, 0); //added to outer volume
490 //locate them in space
491 TGeoTranslation *sdd1tr = new TGeoTranslation(0,fgkSDD0y,0);
492 TGeoTranslation *sdd2tr = new TGeoTranslation(0,fgkSDD1y,0);
495 moth->AddNode(waferSDD, fNspd+1, sdd1tr);
496 moth->AddNode(waferSDD, fNspd+2, sdd2tr);
499 waferSDD->SetLineColor(3);
500 sensVolSDD->SetLineColor(3);
504 //______________________________________________________________________
505 void AliITSvBeamTestITS04::AddSSDGeometry(TGeoVolume *moth) const
508 TGeoMedium *siliconSSD = gGeoManager->GetMedium("ITSspdSi"); // SSD medium still needed!!!
511 TGeoBBox *waferSSDshape = new TGeoBBox("ITSssdWaferShape",fgkSSDwidth/2,fgkSSDthickness/2,fgkSSDlength/2,0);
512 TGeoVolume *waferSSD = new TGeoVolume("ITSssdWafer",waferSSDshape,siliconSSD);
514 TGeoBBox *sensSSDbox = new TGeoBBox("ITSssdSensorSensBox",fgkSSDwidthSens/2,fgkSSDthickSens/2,fgkSSDlengthSens/2,0);
515 TGeoVolume *sensVolSSD = new TGeoVolume(fgSSDsensitiveVolName,sensSSDbox,siliconSSD);
516 waferSSD->AddNode(sensVolSSD, 1, 0);
518 //locate them in space
519 /* In the SSD, there was an overlap of sensitive volumes of 2.9mm = 0.29cm (0.29/2=0.145)
520 in the modules in the same plane, therefore the modules where not in the same plane in
521 the Y direction, there was a "thickness" (0.03cm) difference */
522 TGeoTranslation *ssd1tr = new TGeoTranslation(0,fgkSSD0y,fgkSSDlength/2-0.145);
523 TGeoTranslation *ssd2tr = new TGeoTranslation(0,fgkSSD0y+0.03,-fgkSSDlength/2+0.145);
525 TGeoTranslation *ssd3tr = new TGeoTranslation(0,fgkSSD1y,fgkSSDlength/2-0.145);
526 TGeoTranslation *ssd4tr = new TGeoTranslation(0,fgkSSD1y+0.03,-fgkSSDlength/2+0.145);
529 moth->AddNode(waferSSD, fNspd+fNsdd+1, ssd1tr);
530 moth->AddNode(waferSSD, fNspd+fNsdd+2, ssd2tr);
531 moth->AddNode(waferSSD, fNspd+fNsdd+3, ssd3tr);
532 moth->AddNode(waferSSD, fNspd+fNsdd+4, ssd4tr);
535 waferSSD->SetLineColor(2);
536 sensVolSSD->SetLineColor(2);
539 //______________________________________________________________________
540 void AliITSvBeamTestITS04::StepManager()
542 // Called for every step in the ITS, then calles the AliITShit class
543 // creator with the information to be recoreded about that hit.
545 // "Standard" StepManager. (Similar to AliITSv11) mln
546 Int_t cpy0,mod,status,id,kk;
547 TLorentzVector position, momentum;
548 static AliITShit hit;// Saves on calls to construtors
550 if(!(this->IsActive())) return;
551 if(!(gMC->TrackCharge())) return;
552 //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
553 TClonesArray &lhits = *(Hits());
558 if(gMC->IsTrackInside()) status += 1;
559 if(gMC->IsTrackEntering()) status += 2;
560 if(gMC->IsTrackExiting()) status += 4;
561 if(gMC->IsTrackOut()) status += 8;
562 if(gMC->IsTrackDisappeared()) status += 16;
563 if(gMC->IsTrackStop()) status += 32;
564 if(gMC->IsTrackAlive()) status += 64;
566 id=gMC->CurrentVolID(cpy0);
568 Bool_t sensvol = kFALSE;
569 for(kk=0;kk<fIdN;kk++) if(id == fIdSens[kk]) sensvol = kTRUE;
572 fIgm.DecodeDetector(mod,gGeoManager->GetMother(1)->GetNumber(),1,1,1);
574 // Fill hit structure.
577 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
578 gMC->TrackPosition(position);
579 gMC->TrackMomentum(momentum);
580 hit.SetPosition(position);
581 hit.SetTime(gMC->TrackTime());
582 hit.SetMomentum(momentum);
583 hit.SetStatus(status);
584 hit.SetEdep(gMC->Edep());
585 hit.SetShunt(GetIshunt());
586 if(gMC->IsTrackEntering()){
587 hit.SetStartPosition(position);
588 hit.SetStartTime(gMC->TrackTime());
589 hit.SetStartStatus(status);
590 return; // don't save entering hit.
591 } // end if IsEntering
592 // Fill hit structure with this new hit.
593 //Info("StepManager","Calling Copy Constructor");
594 new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
595 // Save old position... for next hit.
596 hit.SetStartPosition(position);
597 hit.SetStartTime(gMC->TrackTime());
598 hit.SetStartStatus(status);
602 //______________________________________________________________________
603 Int_t AliITSvBeamTestITS04::GetCurrentLayLaddDet(Int_t &lay,Int_t &ladd, Int_t &det) const
605 // Function which gives the layer, ladder and det.
606 // index of the current volume. To be used in
607 // AliITS::StepManager()
611 TGeoNode *node = gGeoManager->GetMother(1);
612 if (!node) return kFALSE;
613 Int_t nodeNum = node->GetNumber();
615 // GetNumber() return the index recorded in the node
617 if (nodeNum==5||nodeNum==6) { // SDD: one layer, one detector
619 } else if (nodeNum==3||nodeNum==4) { // SPD layer 2
621 if (nodeNum==4) det = 2;
622 } else if (nodeNum==1||nodeNum==2){ // SPD layer 1
624 if (nodeNum==2) det = 2;
625 } else if (nodeNum==9||nodeNum==10) { // SSD layer 2
627 if (nodeNum==10) det = 2;
628 } else if (nodeNum==7||nodeNum==8){ // SSD layer 1
630 if (nodeNum==8) det = 2;
636 //_____________________________________________________________
638 Int_t AliITSvBeamTestITS04::GetNumberOfSubDet(const TString& det) const{
640 //Get number of individual detectors
641 if(det.Contains("SPD")) return fNspd;
642 if(det.Contains("SDD")) return fNsdd;
643 if(det.Contains("SSD")) return fNssd;