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 ////////////////////////////////////////////////////////
7 #include "AliITSvBeamTestITS04.h"
8 #include <TClonesArray.h>
11 #include "AliITSDetTypeSim.h"
12 #include "AliITSgeom.h"
13 #include "AliITShit.h"
14 #include "AliITSresponseSDD.h"
15 #include "AliITSCalibrationSDD.h"
16 #include "AliITSCalibrationSPD.h"
17 #include "AliITSCalibrationSSD.h"
18 #include "AliITSsegmentationSDD.h"
19 #include "AliITSsegmentationSPD.h"
20 #include "AliITSsegmentationSSD.h"
22 #include "TVirtualMC.h"
25 const Int_t AliITSvBeamTestITS04::fgkNumberOfSPD = 4;
26 const Int_t AliITSvBeamTestITS04::fgkNumberOfSDD = 2;
27 const Int_t AliITSvBeamTestITS04::fgkNumberOfSSD = 4;
28 // Dimension (thickness:Y (beam direction), width:X, length:Z)
30 const char* AliITSvBeamTestITS04::fgSPDsensitiveVolName = "ITSspdSensitiv";
31 //dimensions (preliminary values from Petra (in cms))
32 const Double_t AliITSvBeamTestITS04::fgkSPDthickness = 0.02;
33 const Double_t AliITSvBeamTestITS04::fgkSPDwidth = 1.4;
34 const Double_t AliITSvBeamTestITS04::fgkSPDlength = 7.2;
35 const Double_t AliITSvBeamTestITS04::fgkSPDthickSens = 0.02;
36 const Double_t AliITSvBeamTestITS04::fgkSPDwidthSens = 1.2;
37 const Double_t AliITSvBeamTestITS04::fgkSPDlengthSens = 7.0;
39 const Double_t AliITSvBeamTestITS04::fgkSPD0y = 23.7;
40 const Double_t AliITSvBeamTestITS04::fgkSPD1y = 33.7;
43 const char* AliITSvBeamTestITS04::fgSDDsensitiveVolName = "ITSsddSensitiv";
44 //dimensions (preliminary values from Ludovic (in cms))
45 const Double_t AliITSvBeamTestITS04::fgkSDDthickness = 0.03;
46 const Double_t AliITSvBeamTestITS04::fgkSDDwidth = 7.22;
47 const Double_t AliITSvBeamTestITS04::fgkSDDlength = 8.76;
48 const Double_t AliITSvBeamTestITS04::fgkSDDthickSens = 0.02998;
49 const Double_t AliITSvBeamTestITS04::fgkSDDwidthSens = 7.017;
50 const Double_t AliITSvBeamTestITS04::fgkSDDlengthSens = 7.497;
52 const Double_t AliITSvBeamTestITS04::fgkSDD0y = 51.7;
53 const Double_t AliITSvBeamTestITS04::fgkSDD1y = 57.2;
56 const char* AliITSvBeamTestITS04::fgSSDsensitiveVolName = "ITSssdSensitiv";
57 //dimensions (final values from Javier (in cms))
58 const Double_t AliITSvBeamTestITS04::fgkSSDthickness = 0.03;
59 const Double_t AliITSvBeamTestITS04::fgkSSDwidth = 7.7;
60 const Double_t AliITSvBeamTestITS04::fgkSSDlength = 4.4;
61 const Double_t AliITSvBeamTestITS04::fgkSSDthickSens = 0.03;
62 const Double_t AliITSvBeamTestITS04::fgkSSDwidthSens = 7.5;
63 const Double_t AliITSvBeamTestITS04::fgkSSDlengthSens = 4.2;
65 const Double_t AliITSvBeamTestITS04::fgkSSD0y = 73.6;
66 const Double_t AliITSvBeamTestITS04::fgkSSD1y = 80.6;
68 //===============================================================
71 #include <TLorentzVector.h>
72 #include "AliTrackReference.h"
73 #include "AliITSDetTypeSim.h"
74 #include "AliITSgeom.h"
75 #include "AliITSgeomSDD.h"
76 #include "AliITSgeomSPD.h"
77 #include "AliITSgeomSSD.h"
78 #include "AliITShit.h"
79 #include "AliITSCalibrationSDD.h"
80 #include "AliITSCalibrationSPD.h"
81 #include "AliITSCalibrationSSD.h"
82 #include "AliITSsegmentationSDD.h"
83 #include "AliITSsegmentationSPD.h"
84 #include "AliITSsegmentationSSD.h"
86 #include <TGeoManager.h>
87 #include <TGeoVolume.h>
90 ClassImp(AliITSvBeamTestITS04)
92 //_____________________________________________________________
93 AliITSvBeamTestITS04::AliITSvBeamTestITS04() :
94 AliITS(), // Base class
95 fITSmotherVolume(0), // Pointer to ITS mother volume.
96 fNspd(fgkNumberOfSPD), //Number of SPD modules
97 fNsdd(fgkNumberOfSDD), //Number of SDD modules
98 fNssd(fgkNumberOfSSD), //Number of SSD modules
99 fGeomDetOut(kFALSE), // Flag to write .det file out
100 fGeomDetIn(kFALSE), // Flag to read geometry file (JC)
101 fWrite(), //! file name to write .det file
102 fRead(), // file name to read .det file (JC)
103 fMajorVersion(kvITS04),// Major Version
104 fMinorVersion(1), // Minor Version
105 fIgm(kvITS04) //! Init geometry object
112 fIdName = new TString[fIdN];
113 fIdName[0] = fgSPDsensitiveVolName;
114 fIdName[1] = fgSDDsensitiveVolName;
115 fIdName[2] = fgSSDsensitiveVolName;
116 fIdSens = new Int_t[fIdN];
117 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
119 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
121 //_____________________________________________________________
122 AliITSvBeamTestITS04::AliITSvBeamTestITS04(const char* name,const char *title):
123 AliITS(name,title), // Base class
124 fITSmotherVolume(0), // Pointer to ITS mother volume.
125 fNspd(fgkNumberOfSPD), //Number of SPD modules
126 fNsdd(fgkNumberOfSDD), //Number of SDD modules
127 fNssd(fgkNumberOfSSD), //Number of SSD modules
128 fGeomDetOut(kFALSE), // Flag to write .det file out
129 fGeomDetIn(kFALSE), // Flag to read geometry file (JC)
130 fWrite(), //! file name to write .det file
131 fRead(), // file name to read .det file (JC)
132 fMajorVersion(kvITS04),// Major Version
133 fMinorVersion(1), // Minor Version
134 fIgm(kvITS04) //! Init geometry object
141 fIdName = new TString[fIdN];
142 fIdName[0] = fgSPDsensitiveVolName;
143 fIdName[1] = fgSDDsensitiveVolName;
144 fIdName[2] = fgSSDsensitiveVolName;
145 fIdSens = new Int_t[fIdN];
146 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
147 for(Int_t a=0;a<60;a++) fWrite[a] = '\0';
149 //__________________________________________________________________
150 AliITSvBeamTestITS04::~AliITSvBeamTestITS04(){
155 //______________________________________________________________________
156 void AliITSvBeamTestITS04::CreateMaterials(){
157 // Media defined here should correspond to the one defined in galice.cuts
158 // This file is read in (AliMC*) fMCApp::Init() { ReadTransPar(); }
159 // Create ITS materials
160 Int_t ifield = gAlice->Field()->Integ();
161 Float_t fieldm = gAlice->Field()->Max();
163 Float_t tmaxfdSi = 0.1;
164 Float_t stemaxSi = 0.0075;
165 Float_t deemaxSi = 0.1;
166 Float_t epsilSi = 1.0E-4;
167 Float_t stminSi = 0.0;
169 Float_t tmaxfdAir = 0.1;
170 Float_t stemaxAir = .10000E+01;
171 Float_t deemaxAir = 0.1;
172 Float_t epsilAir = 1.0E-4;
173 Float_t stminAir = 0.0;
176 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
177 Float_t zAir[4]={6.,7.,8.,18.};
178 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
179 Float_t dAir = 1.20479E-3;
181 AliMaterial(51,"ITSspdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
182 AliMedium(51,"ITSspdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
184 AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
185 AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
187 //AliMaterial(?,"ITSssdSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
188 //AliMedium(?,"ITSssdSi",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
190 AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
191 AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
193 //NEED TO ADD PLASTIC OF SCINTILLATORS!!
197 //______________________________________________________________________
198 void AliITSvBeamTestITS04::CreateGeometry(){
200 // These constant character strings are set by cvs during commit
201 // do not change them unless you know what you are doing!
202 const Char_t *cvsDate="$Date$";
203 const Char_t *cvsRevision="$Revision$";
204 TGeoManager *geoManager = gGeoManager;
205 TGeoVolume *vALIC = geoManager->GetTopVolume();
207 //================================
209 //================================
210 TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
211 // DefineSection(section number, Z, Rmin, Rmax).
212 sITS->DefineSection(0,-100.0,0.01,100.0); // Units in cms
213 sITS->DefineSection(1,+100.0,0.01,100.0);
215 TGeoMedium *air = geoManager->GetMedium("ITSair");
216 fITSmotherVolume = new TGeoVolume("ITSV",sITS,air);
217 const Int_t length=100;
218 Char_t vstrng[length];
219 if(fIgm.WriteVersionString(vstrng,length,(AliITSVersion_t)IsVersion(),
220 fMinorVersion,cvsDate,cvsRevision))
221 fITSmotherVolume->SetTitle(vstrng);
222 else Error("CreateGeometry","Error writing/setting version string");
223 //printf("Title set to %s\n",vstrng);
225 Error("CreateGeometry","alic=0");
228 fITSmotherVolume->SetVisibility(kFALSE);
229 vALIC->AddNode(fITSmotherVolume,1,0);
232 // TGeoMedium *plasticScint = new TGeoMedium("plasticScint",1,Plastic);
233 // //First Scintillator
234 // TGeoBBox *Scint1Shape = new TGeoBBox("Scint1Shape",0.5,0.1,0.5,0); //1x1cm
235 // TGeoVolume *Scint1 = new TGeoVolume("Scint1",Scint1Shape,plasticScint);
236 // TGeoTranslation *firstScint = new TGeoTranslation(0,0.7,0);
237 // vALIC->AddNode(Scint1,2,firstScint);
238 // //Second Scintillator
239 // TGeoBBox *Scint2Shape = new TGeoBBox("Scint2Shape",1.,0.1,1.,0); //2x2cm
240 // TGeoVolume *Scint2 = new TGeoVolume("Scint2",Scint2Shape,plasticScint);
241 // TGeoTranslation *secondScint = new TGeoTranslation(0,90.,0);
242 // vALIC->AddNode(Scint2,3,secondScint);
244 AddSPDGeometry(fITSmotherVolume);
245 AddSDDGeometry(fITSmotherVolume);
246 AddSSDGeometry(fITSmotherVolume);
249 //______________________________________________________________________
250 void AliITSvBeamTestITS04::Init()
252 // Initialize the ITS after it has been created.
260 AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
263 UpdateInternalGeometry();
265 if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
270 //______________________________________________________________________
271 void AliITSvBeamTestITS04::InitAliITSgeom()
273 //initialisation of ITSgeom
274 const Int_t knlayers = 6;
275 Int_t nlad[knlayers], ndet[knlayers];
277 nlad[0] = 1; ndet[0] = 2;
278 nlad[1] = 1; ndet[1] = 2;
279 nlad[2] = 1; ndet[2] = 1;
280 nlad[3] = 1; ndet[3] = 1;
281 nlad[4] = 1; ndet[4] = 2;
282 nlad[5] = 1; ndet[5] = 2;
284 Int_t nModTot = fNspd + fNsdd + fNssd;
285 if (GetITSgeom()) SetITSgeom(0x0);
286 AliITSgeom* geom = new AliITSgeom(0,knlayers,nlad,ndet,nModTot);
288 // *** Set default shapes
289 const Float_t kDxyzSPD[] = {fgkSPDwidthSens/2, fgkSPDthickSens/2,fgkSPDlengthSens/2};
290 if(!(GetITSgeom()->IsShapeDefined(kSPD)))
291 GetITSgeom()->ReSetShape(kSPD,new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
293 const Float_t kDxyzSDD[] = {fgkSDDwidthSens/2., fgkSDDthickSens/2.,fgkSDDlengthSens/2.};
294 if(!(GetITSgeom()->IsShapeDefined(kSDD)))
295 GetITSgeom()->ReSetShape(kSDD, new AliITSgeomSDD256(3,(Float_t *)kDxyzSDD));
297 const Float_t kDxyzSSD[] = {fgkSSDlengthSens/2, fgkSSDthickSens/2,fgkSSDwidthSens/2};
298 if(!(GetITSgeom()->IsShapeDefined(kSSD)))
299 GetITSgeom()->ReSetShape(kSSD,new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
301 // Creating the matrices in AliITSgeom for each sensitive volume
302 // (like in AliITSv11GeometrySDD) mln
303 // Here, each layer is one detector
309 for (Int_t i=0; i<fNspd;i++) {
310 sprintf(layerName, "ITSspdWafer_%i",i+1);
311 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
313 TGeoHMatrix layMatrix(*layNode->GetMatrix());
314 Double_t *trans = layMatrix.GetTranslation();
315 Double_t *r = layMatrix.GetRotationMatrix();
316 Double_t rot[10] = {r[0],r[1],r[2],
318 r[6],r[7],r[8], 1.0};
320 if ((i+1==2)||(i+1==4)) iDet = 2;
324 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSPD,trans,rot);
330 for (Int_t i=0; i<fNsdd;i++) {
331 sprintf(layerName, "ITSsddWafer_%i",i+fNspd+1);
332 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
334 TGeoHMatrix layMatrix(*layNode->GetMatrix());
335 Double_t *trans = layMatrix.GetTranslation();
336 Double_t *r = layMatrix.GetRotationMatrix();
337 Double_t rot[10] = {r[0],r[1],r[2],
339 r[6],r[7],r[8], 1.0};
342 Int_t iLay = fNspd-1+i;
343 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSDD,trans,rot);
349 for (Int_t i=0; i<fNssd;i++) {
350 sprintf(layerName, "ITSssdWafer_%i",i+fNspd+fNsdd+1);
351 TGeoNode *layNode = fITSmotherVolume->GetNode(layerName);
353 TGeoHMatrix layMatrix(*layNode->GetMatrix());
354 Double_t *trans = layMatrix.GetTranslation();
355 Double_t *r = layMatrix.GetRotationMatrix();
356 Double_t rot[10] = {r[0],r[1],r[2],
358 r[6],r[7],r[8], 1.0};
360 if ((i+1==2)||(i+1==4)) iDet = 2;
364 GetITSgeom()->CreateMatrix(startMod,iLay,iLad,iDet,kSSD,trans,rot);
371 //______________________________________________________________________
372 void AliITSvBeamTestITS04::SetDefaults()
374 // (from AliITSv11) mln
376 const Float_t kconv = 1.0e+04; // convert cm to microns
378 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
379 fDetTypeSim->SetITSgeom(GetITSgeom());
380 fDetTypeSim->ResetCalibrationArray();
381 fDetTypeSim->ResetSegmentation();
387 Float_t bx[256],bz[280];
389 // If fGeomDetIn is set true the geometry will
390 // be initialised from file (JC)
391 if(GetITSgeom()!=0) SetITSgeom(0x0);
392 AliITSgeom* geom = new AliITSgeom();
394 if(fGeomDetIn) GetITSgeom()->ReadNewFile(fRead);
395 if(!fGeomDetIn) this->InitAliITSgeom();
396 if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
401 s0 = (AliITSgeomSPD*) GetITSgeom()->GetShape(kSPD);// Get shape info.
403 AliITSCalibration *resp0=new AliITSCalibrationSPD();
404 SetCalibrationModel(kSPD,resp0);
406 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD();
407 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
408 s0->GetDz()*2.*kconv, // for now.
409 s0->GetDy()*2.*kconv);// x,z,y full width in microns.
410 seg0->SetNPads(256,160); // Number of Bins in x and z
411 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
412 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
413 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
414 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
415 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
416 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
417 bz[127] = bz[128] = 625.0; // first chip boundry
418 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
419 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
420 SetSegmentationModel(kSPD,seg0);
421 // set digit and raw cluster classes to be used
422 const char *kData0=(fDetTypeSim->GetCalibrationModel(kSPD))->DataType();
423 if (strstr(kData0,"real"))
424 fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigit");
425 else fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
430 s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info.
432 AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
433 SetCalibrationModel(kSDD,resp1);
434 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD();
435 seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
436 s1->GetDz()*4.*kconv, // for now.
437 s1->GetDy()*4.*kconv); // x,z,y full width in microns.
438 seg1->SetDriftSpeed(resp1->GetDriftSpeed());
439 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
440 SetSegmentationModel(kSDD,seg1);
441 const char *kData1=(fDetTypeSim->GetCalibrationModel(kSDD))->DataType();
442 const char *kopt=resp1->GetZeroSuppOption();
443 if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
444 fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigit");
445 } else fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigitSDD");
450 s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
452 AliITSCalibration *resp2=new AliITSCalibrationSSD("simulated");
453 SetCalibrationModel(kSSD,resp2);
455 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD();
456 seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
457 s2->GetDz()*2.*kconv, // for now.
458 s2->GetDy()*2.*kconv); // x,z,y full width in microns.
459 seg2->SetPadSize(95.,0.); // strip x pitch in microns
460 seg2->SetNPads(768,0); // number of strips on each side.
461 seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
462 seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
463 seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
464 SetSegmentationModel(kSSD,seg2);
465 const char *kData2=(fDetTypeSim->GetCalibrationModel(kSSD))->DataType();
466 if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
467 else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
470 if(fgkNTYPES>3){Warning("SetDefaults","Only the four basic detector types are initialised!");}
474 //______________________________________________________________________
475 void AliITSvBeamTestITS04::AddSPDGeometry(TGeoVolume *moth) const
478 TGeoMedium *siliconSPD = gGeoManager->GetMedium("ITSspdSi");
481 TGeoBBox *waferSPDshape = new TGeoBBox("ITSspdWaferShape",fgkSPDwidth/2,fgkSPDthickness/2,fgkSPDlength/2,0);
482 TGeoVolume *waferSPD = new TGeoVolume("ITSspdWafer",waferSPDshape,siliconSPD);
484 TGeoBBox *sensSPDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSPDwidthSens/2,fgkSPDthickSens/2,fgkSPDlengthSens/2,0);
485 TGeoVolume *sensVolSPD = new TGeoVolume(fgSPDsensitiveVolName,sensSPDbox,siliconSPD);
486 waferSPD->AddNode(sensVolSPD, 1, 0); //added to outer volume
488 //locate them in space (with respect top volume)
489 TGeoTranslation *spd1tr = new TGeoTranslation(0,fgkSPD0y,fgkSPDlength/2);
490 TGeoTranslation *spd2tr = new TGeoTranslation(0,fgkSPD0y,-fgkSPDlength/2);
492 TGeoTranslation *spd3tr = new TGeoTranslation(0,fgkSPD1y,fgkSPDlength/2);
493 TGeoTranslation *spd4tr = new TGeoTranslation(0,fgkSPD1y,-fgkSPDlength/2);
496 moth->AddNode(waferSPD, 1, spd1tr);
497 moth->AddNode(waferSPD, 2, spd2tr);
498 moth->AddNode(waferSPD, 3, spd3tr);
499 moth->AddNode(waferSPD, 4, spd4tr);
502 waferSPD->SetLineColor(4);
503 sensVolSPD->SetLineColor(4);
507 //______________________________________________________________________
508 void AliITSvBeamTestITS04::AddSDDGeometry(TGeoVolume *moth) const
511 TGeoMedium *siliconSDD = gGeoManager->GetMedium("ITSsddSi");
514 TGeoBBox *waferSDDshape = new TGeoBBox("ITSsddWaferShape",fgkSDDwidth/2,fgkSDDthickness/2,fgkSDDlength/2,0);
515 TGeoVolume *waferSDD = new TGeoVolume("ITSsddWafer",waferSDDshape,siliconSDD);
517 TGeoBBox *sensSDDbox = new TGeoBBox("ITSsddSensorSensBox",fgkSDDwidthSens/2,fgkSDDthickSens/2,fgkSDDlengthSens/2,0);
518 TGeoVolume *sensVolSDD = new TGeoVolume(fgSDDsensitiveVolName,sensSDDbox,siliconSDD);
519 waferSDD->AddNode(sensVolSDD, 1, 0); //added to outer volume
521 //locate them in space
522 TGeoTranslation *sdd1tr = new TGeoTranslation(0,fgkSDD0y,0);
523 TGeoTranslation *sdd2tr = new TGeoTranslation(0,fgkSDD1y,0);
526 moth->AddNode(waferSDD, fNspd+1, sdd1tr);
527 moth->AddNode(waferSDD, fNspd+2, sdd2tr);
530 waferSDD->SetLineColor(3);
531 sensVolSDD->SetLineColor(3);
535 //______________________________________________________________________
536 void AliITSvBeamTestITS04::AddSSDGeometry(TGeoVolume *moth) const
539 TGeoMedium *siliconSSD = gGeoManager->GetMedium("ITSspdSi"); // SSD medium still needed!!!
542 TGeoBBox *waferSSDshape = new TGeoBBox("ITSssdWaferShape",fgkSSDwidth/2,fgkSSDthickness/2,fgkSSDlength/2,0);
543 TGeoVolume *waferSSD = new TGeoVolume("ITSssdWafer",waferSSDshape,siliconSSD);
545 TGeoBBox *sensSSDbox = new TGeoBBox("ITSssdSensorSensBox",fgkSSDwidthSens/2,fgkSSDthickSens/2,fgkSSDlengthSens/2,0);
546 TGeoVolume *sensVolSSD = new TGeoVolume(fgSSDsensitiveVolName,sensSSDbox,siliconSSD);
547 waferSSD->AddNode(sensVolSSD, 1, 0);
549 //locate them in space
550 /* In the SSD, there was an overlap of sensitive volumes of 2.9mm = 0.29cm (0.29/2=0.145)
551 in the modules in the same plane, therefore the modules where not in the same plane in
552 the Y direction, there was a "thickness" (0.03cm) difference */
553 TGeoTranslation *ssd1tr = new TGeoTranslation(0,fgkSSD0y,fgkSSDlength/2-0.145);
554 TGeoTranslation *ssd2tr = new TGeoTranslation(0,fgkSSD0y+0.03,-fgkSSDlength/2+0.145);
556 TGeoTranslation *ssd3tr = new TGeoTranslation(0,fgkSSD1y,fgkSSDlength/2-0.145);
557 TGeoTranslation *ssd4tr = new TGeoTranslation(0,fgkSSD1y+0.03,-fgkSSDlength/2+0.145);
560 moth->AddNode(waferSSD, fNspd+fNsdd+1, ssd1tr);
561 moth->AddNode(waferSSD, fNspd+fNsdd+2, ssd2tr);
562 moth->AddNode(waferSSD, fNspd+fNsdd+3, ssd3tr);
563 moth->AddNode(waferSSD, fNspd+fNsdd+4, ssd4tr);
566 waferSSD->SetLineColor(2);
567 sensVolSSD->SetLineColor(2);
570 //______________________________________________________________________
571 void AliITSvBeamTestITS04::StepManager()
573 // Called for every step in the ITS, then calles the AliITShit class
574 // creator with the information to be recoreded about that hit.
576 // "Standard" StepManager. (Similar to AliITSv11) mln
577 Int_t cpy0,mod,status,id,kk;
578 TLorentzVector position, momentum;
579 static AliITShit hit;// Saves on calls to construtors
581 if(!(this->IsActive())) return;
582 if(!(gMC->TrackCharge())) return;
583 //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
584 TClonesArray &lhits = *(Hits());
589 if(gMC->IsTrackInside()) status += 1;
590 if(gMC->IsTrackEntering()) status += 2;
591 if(gMC->IsTrackExiting()) status += 4;
592 if(gMC->IsTrackOut()) status += 8;
593 if(gMC->IsTrackDisappeared()) status += 16;
594 if(gMC->IsTrackStop()) status += 32;
595 if(gMC->IsTrackAlive()) status += 64;
597 id=gMC->CurrentVolID(cpy0);
599 Bool_t sensvol = kFALSE;
600 for(kk=0;kk<fIdN;kk++) if(id == fIdSens[kk]) sensvol = kTRUE;
603 fIgm.DecodeDetector(mod,gGeoManager->GetMother(1)->GetNumber(),1,1,1);
605 // Fill hit structure.
608 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
609 gMC->TrackPosition(position);
610 gMC->TrackMomentum(momentum);
611 hit.SetPosition(position);
612 hit.SetTime(gMC->TrackTime());
613 hit.SetMomentum(momentum);
614 hit.SetStatus(status);
615 hit.SetEdep(gMC->Edep());
616 hit.SetShunt(GetIshunt());
617 if(gMC->IsTrackEntering()){
618 hit.SetStartPosition(position);
619 hit.SetStartTime(gMC->TrackTime());
620 hit.SetStartStatus(status);
621 return; // don't save entering hit.
622 } // end if IsEntering
623 // Fill hit structure with this new hit.
624 //Info("StepManager","Calling Copy Constructor");
625 new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
626 // Save old position... for next hit.
627 hit.SetStartPosition(position);
628 hit.SetStartTime(gMC->TrackTime());
629 hit.SetStartStatus(status);
633 //______________________________________________________________________
634 Int_t AliITSvBeamTestITS04::GetCurrentLayLaddDet(Int_t &lay,Int_t &ladd, Int_t &det) const
636 // Function which gives the layer, ladder and det.
637 // index of the current volume. To be used in
638 // AliITS::StepManager()
642 TGeoNode *node = gGeoManager->GetMother(1);
643 if (!node) return kFALSE;
644 Int_t nodeNum = node->GetNumber();
646 // GetNumber() return the index recorded in the node
648 if (nodeNum==5||nodeNum==6) { // SDD: one layer, one detector
650 } else if (nodeNum==3||nodeNum==4) { // SPD layer 2
652 if (nodeNum==4) det = 2;
653 } else if (nodeNum==1||nodeNum==2){ // SPD layer 1
655 if (nodeNum==2) det = 2;
656 } else if (nodeNum==9||nodeNum==10) { // SSD layer 2
658 if (nodeNum==10) det = 2;
659 } else if (nodeNum==7||nodeNum==8){ // SSD layer 1
661 if (nodeNum==8) det = 2;
667 //_____________________________________________________________
669 Int_t AliITSvBeamTestITS04::GetNumberOfSubDet(const TString& det) const{
671 //Get number of individual detectors
672 if(det.Contains("SPD")) return fNspd;
673 if(det.Contains("SDD")) return fNsdd;
674 if(det.Contains("SSD")) return fNssd;