ITS/AliITSv11.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  11  * appear in the supporting documentation. The authors make no claims     *
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  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 //************************************************************************
  17 //                 Inner Traking System geometry v11
  18 //
  19 //  Based on ROOT geometrical modeler
  20 //  Set #define WITHROOT in TGeant3.h
  21 //
  22 // B. Nilsen, L. Gaudichet
  23 //************************************************************************
  24
  25
  26 //#include <Riostream.h>
  27 #include <TClonesArray.h>
  28 #include <TLorentzVector.h>
  29
  30 #include "AliITS.h"
  31 #include "AliITSDetType.h"
  32 #include "AliITSGeant3Geometry.h"
  33 #include "AliITSgeom.h"
  34 #include "AliITSgeomSDD.h"
  35 #include "AliITSgeomSPD.h"
  36 #include "AliITSgeomSSD.h"
  37 #include "AliITShit.h"
  38 #include "AliITSresponseSDD.h"
  39 #include "AliITSresponseSPD.h"
  40 #include "AliITSresponseSSD.h"
  41 #include "AliITSsegmentationSDD.h"
  42 #include "AliITSsegmentationSPD.h"
  43 #include "AliITSsegmentationSSD.h"
  44 #include "AliITSv11.h"
  45 #include "AliMagF.h"
  46 #include "AliRun.h"
  47 #include "AliTrackReference.h"
  48 #include "AliMC.h"
  49
  50 #include <TGeoManager.h>
  51 #include <TGeoVolume.h>
  52 #include <TGeoPcon.h>
  53 //#include "AliITSv11GeometrySPD.h"
  54 #include "AliITSv11GeometrySDD.h"
  55 //#include "AliITSv11GeometrySupport.h"
  56
  57
  58
  59 ClassImp(AliITSv11)
  60
  61 //______________________________________________________________________
  62   AliITSv11::AliITSv11() :
  63     AliITS("ITS","ITS geometry v11"),
  64     fGeomDetOut(kFALSE),
  65     fGeomDetIn(kFALSE),
  66     fMajorVersion(11),
  67     fMinorVersion(0) {
  68   //    Standard default constructor for the ITS version 11.
  69   // Inputs:
  70   //   none.
  71   // Outputs:
  72   //   none.
  73   // Return:
  74   //   none.
  75
  76   Int_t i;
  77   for(i=0;i<60;i++) fRead[i] = '\0';
  78   for(i=0;i<60;i++) fWrite[i] = '\0';
  79   for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  80   strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
  81   SetEUCLID(kFALSE);
  82
  83 //   fSPDgeom = new AliITSv11GeometrySPD();
  84   fSDDgeom = new AliITSv11GeometrySDD();
  85 //   fSupgeom = new AliITSv11GeometrySupport();
  86
  87   fIdN = 1;
  88   fIdName    = new TString[fIdN];
  89   fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
  90   fIdSens    = new Int_t[fIdN];
  91   for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
  92 }
  93
  94 //______________________________________________________________________
  95 AliITSv11::AliITSv11(Int_t debugITS,Int_t debugSPD,Int_t debugSDD,
  96                    Int_t debugSSD,Int_t debugSUP) :
  97   AliITS("ITS","ITS geometry v11"),
  98   fGeomDetOut(kFALSE),
  99   fGeomDetIn(kFALSE),
 100   fMajorVersion(11),
 101   fMinorVersion(0) {
 102   // Standard default constructor for the ITS version 11.
 103   // Inputs:
 104   //   Int_t    debugITS  Debug flag for ITS code (required).
 105   //   Int_t    debugSPD  Debug flag for SPD geometry (default = 0).
 106   //   Int_t    debugSDD  Debug flag for SDD geometry (default = 0).
 107   //   Int_t    debugSSD  Debug flag for SSD geometry (default = 0).
 108   //   Int_t    debugSUP  Debug flag for SUPort geometry (default = 0).
 109   // Outputs:
 110   //   none.
 111   // Return
 112
 113   SetDensityServicesByThickness();
 114
 115   SetEUCLID(kFALSE);
 116   fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.euc";
 117   strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det",60);
 118   strncpy(fRead,fEuclidGeomDet,60);
 119   strncpy(fWrite,fEuclidGeomDet,60);
 120   strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
 121
 122 //   fSPDgeom = new AliITSv11GeometrySPD(debugSPD);
 123   fSDDgeom = new AliITSv11GeometrySDD(debugSDD);
 124 //   fSupgeom = new AliITSv11GeometrySupport(debugSUP);
 125
 126   fIdN = 1;
 127   fIdName    = new TString[fIdN];
 128   fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
 129   fIdSens    = new Int_t[fIdN];
 130   for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
 131
 132   debugITS = (debugSPD && debugSSD && debugSUP); //remove temp. warnings
 133 }
 134
 135
 136 //______________________________________________________________________
 137 AliITSv11::AliITSv11(const AliITSv11 &source) :
 138  AliITS(source){
 139     //     Copy Constructor for ITS version 11. This function is not to be
 140     // used. If any other instance of this function, other than "this" is
 141     // passed, an error message is returned.
 142     // Inputs:
 143     //   const AliITSv11 &source This class
 144
 145     if(&source == this) return;
 146     Warning("Copy Constructor","Not allowed to copy AliITSv11");
 147     return;
 148 }
 149
 150
 151 //______________________________________________________________________
 152 AliITSv11& AliITSv11::operator=(const AliITSv11
 153                                                   &source){
 154     //     Assignment operator for the ITS version 11. This function is not
 155     // to be used. If any other instance of this function, other than "this"
 156     // is passed, an error message is returned.
 157     // Inputs:
 158     //   const AliITSv11 &source This class
 159
 160     if(&source == this) return *this;
 161     Warning("= operator","Not allowed to copy AliITSv11");
 162     return *this;
 163 }
 164
 165
 166 //______________________________________________________________________
 167 AliITSv11::~AliITSv11() {
 168   delete fSDDgeom;
 169 }
 170
 171
 172 //______________________________________________________________________
 173 void AliITSv11::BuildGeometry(){
 174
 175 }
 176
 177
 178 //______________________________________________________________________
 179 void AliITSv11::CreateGeometry(){
 180   //
 181   // Create ROOT geometry
 182   //
 183
 184   TGeoManager *geoManager = gGeoManager;
 185   TGeoVolume *vALIC = geoManager->GetTopVolume();
 186
 187   TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
 188
 189   // DefineSection(section number, Z, Rmin, Rmax).
 190   const Double_t kcm = 1.0;
 191   sITS->DefineSection(0,-300.0*kcm,0.01*kcm,50.0*kcm);
 192   sITS->DefineSection(1,+300.0*kcm,0.01*kcm,50.0*kcm);
 193
 194   TGeoMedium *air = gGeoManager->GetMedium("ITSair");
 195   TGeoVolume *vITS = new TGeoVolume("vITS",sITS,air);
 196   vITS->SetVisibility(kFALSE);
 197   vALIC->AddNode(vITS,1,0);
 198
 199 //   fSPDgeom->CenteralSPD(vITS);
 200   fSDDgeom->Layer3(vITS);
 201   fSDDgeom->Layer4(vITS);
 202 //     fSupgeom->SPDCone(vITS);
 203 //     fSupgeom->SPDThermalSheald(vITS);
 204 //     fSupgeom->SDDCone(vITS);
 205 //     fSupgeom->SSDCone(vITS);
 206 //     fSupgeom->ServicesCableSupport(vITS);
 207
 208 }
 209
 210
 211 //______________________________________________________________________
 212 void AliITSv11::CreateMaterials(){
 213   //
 214   // Create ITS materials
 215   // Defined media here should correspond to the one defined in galice.cuts
 216   // File which is red in (AliMC*) fMCApp::Init() { ReadTransPar(); }
 217   //
 218
 219     Int_t   ifield = gAlice->Field()->Integ();
 220     Float_t fieldm = gAlice->Field()->Max();
 221
 222     Float_t tmaxfd = 0.1; // 1.0; // Degree
 223     Float_t stemax = 1.0; // cm
 224     Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
 225     Float_t epsil  = 1.0E-4; // 1.0; // cm
 226     Float_t stmin  = 0.0; // cm "Default value used"
 227
 228     Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
 229     Float_t stemaxSi = 0.0075; //  .10000E+01; // cm
 230     Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 231     Float_t epsilSi  = 1.0E-4;// .10000E+01;
 232     Float_t stminSi  = 0.0; // cm "Default value used"
 233
 234     Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
 235     Float_t stemaxAir = .10000E+01; // cm
 236     Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 237     Float_t epsilAir  = 1.0E-4;// .10000E+01;
 238     Float_t stminAir  = 0.0; // cm "Default value used"
 239
 240     Float_t tmaxfdServ = 1.0; // 10.0; // Degree
 241     Float_t stemaxServ = 1.0; // 0.01; // cm
 242     Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
 243     Float_t epsilServ  = 1.0E-3; // 0.003; // cm
 244     Float_t stminServ  = 0.0; //0.003; // cm "Default value used"
 245
 246     // Freon PerFluorobuthane C4F10 see
 247     // http://st-support-cooling-electronics.web.cern.ch/
 248     //        st-support-cooling-electronics/default.htm
 249     Float_t afre[2]  = { 12.011,18.9984032 };
 250     Float_t zfre[2]  = { 6., 9. };
 251     Float_t wfre[2]  = { 4.,10. };
 252     Float_t densfre  = 1.52;
 253
 254
 255     //CM55J
 256     Float_t aCM55J[4]={12.0107,14.0067,15.9994,1.00794};
 257     Float_t zCM55J[4]={6.,7.,8.,1.};
 258     Float_t wCM55J[4]={0.908508078,0.010387573,0.055957585,0.025146765};
 259     Float_t dCM55J = 1.63;
 260
 261     //ALCM55J
 262     Float_t aALCM55J[5]={12.0107,14.0067,15.9994,1.00794,26.981538};
 263     Float_t zALCM55J[5]={6.,7.,8.,1.,13.};
 264     Float_t wALCM55J[5]={0.817657902,0.0093488157,0.0503618265,0.0226320885,0.1};
 265     Float_t dALCM55J = 1.9866;
 266
 267     //Si Chips
 268     Float_t aSICHIP[6]={12.0107,14.0067,15.9994,1.00794,28.0855,107.8682};
 269     Float_t zSICHIP[6]={6.,7.,8.,1.,14., 47.};
 270     Float_t wSICHIP[6]={0.039730642,0.001396798,0.01169634,
 271                         0.004367771,0.844665,0.09814344903};
 272     Float_t dSICHIP = 2.36436;
 273
 274     //Inox
 275     Float_t aINOX[9]={12.0107,54.9380, 28.0855,30.9738,32.066,
 276                       58.6928,55.9961,95.94,55.845};
 277     Float_t zINOX[9]={6.,25.,14.,15.,16., 28.,24.,42.,26.};
 278     Float_t wINOX[9]={0.0003,0.02,0.01,0.00045,0.0003,0.12,0.17,0.025,0.654};
 279     Float_t dINOX = 8.03;
 280
 281     //SDD HV microcable
 282     Float_t aHVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 283     Float_t zHVm[5]={6.,1.,7.,8.,13.};
 284     Float_t wHVm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
 285     Float_t dHVm = 1.6087;
 286
 287     //SDD LV+signal cable
 288     Float_t aLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 289     Float_t zLVm[5]={6.,1.,7.,8.,13.};
 290     Float_t wLVm[5]={0.21722436468,0.0082859922,0.023028867,0.06574077612, 0.68572};
 291     Float_t dLVm = 2.1035;
 292
 293     //SDD hybrid microcab
 294     Float_t aHLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 295     Float_t zHLVm[5]={6.,1.,7.,8.,13.};
 296     Float_t wHLVm[5]={0.24281879711,0.00926228815,0.02574224025,0.07348667449, 0.64869};
 297     Float_t dHLVm = 2.0502;
 298
 299     //SDD anode microcab
 300     Float_t aALVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 301     Float_t zALVm[5]={6.,1.,7.,8.,13.};
 302     Float_t wALVm[5]={0.392653705471,0.0128595919215,
 303                       0.041626868025,0.118832707289, 0.431909};
 304     Float_t dALVm = 2.0502;
 305
 306     //X7R capacitors
 307     Float_t aX7R[7]={137.327,47.867,15.9994,58.6928,63.5460,118.710,207.2};
 308     Float_t zX7R[7]={56.,22.,8.,28.,29.,50.,82.};
 309     Float_t wX7R[7]={0.251639432,0.084755042,0.085975822,
 310                      0.038244751,0.009471271,0.321736471,0.2081768};
 311     Float_t dX7R = 7.14567;
 312
 313     // AIR
 314     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 315     Float_t zAir[4]={6.,7.,8.,18.};
 316     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 317     Float_t dAir = 1.20479E-3;
 318
 319     // Water
 320     Float_t aWater[2]={1.00794,15.9994};
 321     Float_t zWater[2]={1.,8.};
 322     Float_t wWater[2]={0.111894,0.888106};
 323     Float_t dWater   = 1.0;
 324
 325     // CERAMICS
 326   //     94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
 327     Float_t acer[5]  = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
 328     Float_t zcer[5]  = {       13.,     8.,    14.,     25.,    24. };
 329     Float_t wcer[5]  = {.4443408,.5213375,.0130872,.0178135,.003421};
 330     Float_t denscer  = 3.6;
 331
 332     //G10FR4
 333     Float_t zG10FR4[14] = {14.00,       20.00,  13.00,  12.00,  5.00,
 334                            22.00,       11.00,  19.00,  26.00,  9.00,
 335                            8.00,        6.00,   7.00,   1.00};
 336     Float_t aG10FR4[14] = {28.0855000,40.0780000,26.9815380,24.3050000,
 337                            10.8110000,47.8670000,22.9897700,39.0983000,
 338                            55.8450000,18.9984000,15.9994000,12.0107000,
 339                            14.0067000,1.0079400};
 340     Float_t wG10FR4[14] = {0.15144894,0.08147477,0.04128158,0.00904554,
 341                            0.01397570,0.00287685,0.00445114,0.00498089,
 342                            0.00209828,0.00420000,0.36043788,0.27529426,
 343                            0.01415852,0.03427566};
 344     Float_t densG10FR4= 1.8;
 345
 346      //--- EPOXY  --- C18 H19 O3
 347       Float_t aEpoxy[3] = {15.9994, 1.00794, 12.0107} ;
 348       Float_t zEpoxy[3] = {     8.,      1.,      6.} ;
 349       Float_t wEpoxy[3] = {     3.,     19.,     18.} ;
 350       Float_t dEpoxy = 1.8 ;
 351
 352       // rohacell: C9 H13 N1 O2
 353     Float_t arohac[4] = {12.01,  1.01, 14.010, 16.};
 354     Float_t zrohac[4] = { 6.,    1.,    7.,     8.};
 355     Float_t wrohac[4] = { 9.,   13.,    1.,     2.};
 356     Float_t drohac    = 0.05;
 357
 358     // If he/she means stainless steel (inox) + Aluminium and Zeff=15.3383 then
 359 //
 360 // %Al=81.6164 %inox=100-%Al
 361
 362     Float_t aInAl[5] = {27., 55.847,51.9961,58.6934,28.0855 };
 363     Float_t zInAl[5] = {13., 26.,24.,28.,14. };
 364     Float_t wInAl[5] = {.816164, .131443,.0330906,.0183836,.000919182};
 365     Float_t dInAl    = 3.075;
 366
 367     // Kapton
 368     Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
 369     Float_t zKapton[4]={1.,6.,7.,8.};
 370     Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
 371     Float_t dKapton   = 1.42;
 372
 373     //SDD ruby sph.
 374     Float_t aAlOxide[2]  = { 26.981539,15.9994};
 375     Float_t zAlOxide[2]  = {       13.,     8.};
 376     Float_t wAlOxide[2]  = {0.4707, 0.5293};
 377     Float_t dAlOxide     = 3.97;
 378
 379     //---------
 380     AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 381     AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 382
 383     AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
 384     AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 385
 386     AliMixture(7,"ITSsddSiChip",aSICHIP,zSICHIP,dSICHIP,6,wSICHIP);
 387     AliMedium(7,"ITSsddSiChip",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 388
 389     AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 390     AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 391
 392     AliMaterial(11,"ITSal",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 393     AliMedium(11,"ITSal",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 394
 395     AliMixture(9,"ITSsddCarbonM55J",aCM55J,zCM55J,dCM55J,4,wCM55J);
 396     AliMedium(9,"ITSsddCarbonM55J",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 397
 398     AliMixture(10,"SDD AIR$",aAir,zAir,dAir,4,wAir);
 399     AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 400
 401     AliMixture(12, "WATER",aWater,zWater,dWater,2,wWater);
 402     AliMedium(12,"WATER",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 403
 404      AliMixture(69,"ITSsddCAlM55J",aALCM55J,zALCM55J,dALCM55J,5,wALCM55J);
 405     AliMedium(69,"ITSsddCAlM55J",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 406
 407     AliMixture(70, "ITSsddKAPTON_POLYCH2", aKapton, zKapton, dKapton, 4, wKapton);
 408     AliMedium(70,"ITSsddKAPTON_POLYCH2",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 409
 410     AliMixture(77,"SDDX7Rcapacitors",aX7R,zX7R,dX7R,7,wX7R);
 411     AliMedium(77,"SDDX7Rcapacitors",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 412
 413     AliMixture(78,"SDD ruby sph. Al2O3$",aAlOxide,zAlOxide,dAlOxide,2,wAlOxide);
 414     AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 415
 416
 417     AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 418     AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 419
 420     AliMaterial(14,"COPPER",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
 421     AliMedium(14,"COPPER",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 422
 423     AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 424     AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 425
 426     AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 427     AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 428
 429     AliMixture(4,"C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 430     AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 431
 432
 433     AliMixture(6,"GEN AIR$",aAir,zAir,dAir,4,wAir);
 434     AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 435
 436     AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
 437     AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 438
 439
 440     AliMixture(15,"CERAMICS$",acer,zcer,denscer,5,wcer);
 441     AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 442
 443     AliMixture(20,"SSD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 444     AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 445
 446     AliMixture(21,"SSD AIR$",aAir,zAir,dAir,4,wAir);
 447     AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 448
 449     AliMixture(25,"G10FR4$",aG10FR4,zG10FR4,densG10FR4,14,wG10FR4);
 450     AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 451
 452      AliMixture(26,"GEN C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 453     AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 454
 455     AliMixture(27,"GEN Air$",aAir,zAir,dAir,4,wAir);
 456     AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 457
 458     AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 459     AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 460
 461     AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 462     AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 463
 464     AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 465     AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 466
 467     AliMixture(54,"SPD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 468     AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 469
 470     AliMixture(55,"SPD AIR$",aAir,zAir,dAir,4,wAir);
 471     AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 472
 473     AliMixture(56, "SPD KAPTON(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
 474     AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 475
 476     AliMixture(61,"EPOXY$",aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
 477     AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 478
 479     AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 480     AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 481
 482     AliMixture(63, "KAPTONH(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
 483     AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 484
 485
 486     AliMixture(65,"INOX$",aINOX,zINOX,dINOX,9,wINOX);
 487     AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 488
 489     AliMixture(68,"ROHACELL$",arohac,zrohac,drohac,-4,wrohac);
 490     AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 491
 492
 493      AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
 494     AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 495
 496     AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
 497     AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 498
 499     AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
 500     AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 501
 502     AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 503     AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 504
 505     AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 506     AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 507
 508     AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
 509     AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 510
 511
 512     AliMixture(80,"SDD HV microcable$",aHVm,zHVm,dHVm,5,wHVm);
 513     AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 514
 515     AliMixture(81,"SDD LV+signal cable$",aLVm,zLVm,dLVm,5,wLVm);
 516     AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 517
 518     AliMixture(82,"SDD hybrid microcab$",aHLVm, zHLVm,dHLVm,5,wHLVm);
 519     AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 520
 521     AliMixture(83,"SDD anode microcab$",aALVm,zALVm,dALVm,5,wALVm);
 522     AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 523
 524     AliMaterial(84,"SDD/SSD rings$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 525     AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 526
 527     AliMixture(85,"inox/alum$",aInAl,zInAl,dInAl,5,wInAl);
 528     AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 529
 530
 531     // special media to take into account services in the SDD and SSD
 532     // cones for the FMD
 533
 534        Float_t aA[13],zZ[13],wW[13],den;
 535     // From Pierluigi Barberis calculations of 2SPD+1SDD October 2 2002.
 536     zZ[0] = 1.0; aA[0] = 1.00794; // Hydrogen
 537     zZ[1] = 6.0; aA[1] = 12.011; // Carbon
 538     zZ[2] = 7.0; aA[2] = 14.00674; // Nitrogen
 539     zZ[3] = 8.0; aA[3] = 15.9994; // Oxigen
 540     zZ[4] = 14.0; aA[4] = 28.0855; // Silicon
 541     zZ[5] = 24.0; aA[5] = 51.9961; //Cromium
 542     zZ[6] = 25.0; aA[6] = 54.938049; // Manganese
 543     zZ[7] = 26.0; aA[7] = 55.845; // Iron
 544     zZ[8] = 28.0; aA[8] = 58.6934; // Nickle
 545     zZ[9] = 29.0; aA[9] = 63.546; // Copper
 546     zZ[10] = 13.0; aA[10] = 26.981539; // Alulminum
 547     zZ[11] = 47.0; aA[11] = 107.8682; // Silver
 548     zZ[12] = 27.0; aA[12] = 58.9332; // Cobolt
 549     wW[0] = 0.019965;
 550     wW[1] = 0.340961;
 551     wW[2] = 0.041225;
 552     wW[3] = 0.200352;
 553     wW[4] = 0.000386;
 554     wW[5] = 0.001467;
 555     wW[6] = 0.000155;
 556     wW[7] = 0.005113;
 557     wW[8] = 0.000993;
 558     wW[9] = 0.381262;
 559     wW[10] = 0.008121;
 560     wW[11] = 0.000000;
 561     wW[12] = 0.000000;
 562     if(fByThick){// New values seeITS_MatBudget_4B.xls
 563         den = 1.5253276; // g/cm^3  Cell O370
 564     }else{
 565         den = 2.58423412; // g/cm^3 Cell L370
 566     } // end if fByThick
 567     //den = 6161.7/(3671.58978);//g/cm^3 Volume does not exclude holes
 568     AliMixture(86,"AIRFMDSDD$",aA,zZ,den,+11,wW);
 569     AliMedium(86,"AIRFMDSDD$",86,0,ifield,fieldm,tmaxfdAir,stemaxAir,
 570               deemaxAir,epsilAir,stminAir);
 571
 572
 573     wW[0] = 0.019777;
 574     wW[1] = 0.325901;
 575     wW[2] = 0.031848;
 576     wW[3] = 0.147668;
 577     wW[4] = 0.030609;
 578     wW[5] = 0.013993;
 579     wW[6] = 0.001479;
 580     wW[7] = 0.048792;
 581     wW[8] = 0.009477;
 582     wW[9] = 0.350697;
 583     wW[10] = 0.014546;
 584     wW[11] = 0.005213;
 585     wW[12] = 0.000000;
 586     if(fByThick){// New values seeITS_MatBudget_4B.xls
 587         den = 1.2464275; // g/cm^3   Cell O403
 588     }else{
 589         den = 1.28134409; // g/cm^3  Cell L403
 590     } // end if fByThick
 591     //den = 7666.3/(9753.553259); // volume does not exclude holes
 592     AliMixture(87,"AIRFMDSSD$",aA,zZ,den,+12,wW);
 593     AliMedium(87,"AIRFMDSSD$",87,0,ifield,fieldm,tmaxfdAir,stemaxAir,
 594               deemaxAir,epsilAir,stminAir);
 595
 596     wW[0] = 0.016302;
 597     wW[1] = 0.461870;
 598     wW[2] = 0.033662;
 599     wW[3] = 0.163595;
 600     wW[4] = 0.000315;
 601     wW[5] = 0.001197;
 602     wW[6] = 0.000127;
 603     wW[7] = 0.004175;
 604     wW[8] = 0.000811;
 605     wW[9] = 0.311315;
 606     wW[10] = 0.006631;
 607     wW[11] = 0.000000;
 608     wW[12] = 0.000000;
 609     if(fByThick){// New values seeITS_MatBudget_4B.xls
 610         den = 1.9353276; // g/cm^3  Cell N370
 611     }else{
 612         den = 3.2788626; // g/cm^3 Cell F370
 613     } // end if fByThick
 614     //den = 7667.1/(3671.58978); // Volume does not excludeholes
 615     AliMixture(88,"ITS SANDW CFMDSDD$",aA,zZ,den,+11,wW);
 616     AliMedium(88,"ITS SANDW CFMDSDD$",88,0,ifield,fieldm,tmaxfd,stemax,
 617               deemax,epsil,stmin);
 618
 619     wW[0] = 0.014065;
 620     wW[1] = 0.520598;
 621     wW[2] = 0.022650;
 622     wW[3] = 0.105018;
 623     wW[4] = 0.021768;
 624     wW[5] = 0.009952;
 625     wW[6] = 0.001051;
 626     wW[7] = 0.034700;
 627     wW[8] = 0.006740;
 628     wW[9] = 0.249406;
 629     wW[10] = 0.010345;
 630     wW[11] = 0.0003707;
 631     wW[12] = 0.000000;
 632     if(fByThick){// New values seeITS_MatBudget_4B.xls
 633         den = 1.6564275; // g/cm^3  Cell N304
 634     }else{
 635         den = 1.7028296; // g/cm^3  Cell F304
 636     } // end if fByThick
 637     //den = 1166.5/(3671.58978); // Volume does not exclude holes
 638     AliMixture(89,"ITS SANDW CFMDSSD$",aA,zZ,den,+12,wW);
 639     AliMedium(89,"ITS SANDW CFMDSSD$",89,0,ifield,fieldm,tmaxfd,stemax,
 640               deemax,epsil,stmin);
 641
 642     wW[0] = 0.005970;
 643     wW[1] = 0.304704;
 644     wW[2] = 0.042510;
 645     wW[3] = 0.121715;
 646     wW[4] = 0.001118;
 647     wW[5] = 0.030948;
 648     wW[6] = 0.003270;
 649     wW[7] = 0.107910;
 650     wW[8] = 0.020960;
 651     wW[9] = 0.360895;
 652     wW[10] = 0.000000;
 653     wW[11] = 0.000000;
 654     wW[12] = 0.000000;
 655     if(fByThick){// New values seeITS_MatBudget_4B.xls
 656         den = 80.31136576; // g/cm^3 Cell H329
 657     }else{
 658         den = 87.13062; // g/cm^3  Cell G329
 659     } // end if fByThick
 660     //den = 1251.3/(0.05*2.0*TMath::Pi()*(7.75*7.75 - 3.7*3.7)); // g/cm^3
 661     AliMixture(97,"SPD SERVICES$",aA,zZ,den,+10,wW);
 662     AliMedium(97,"SPD SERVICES$",97,0,ifield,fieldm,tmaxfd,stemax,
 663               deemax,epsil,stmin);
 664
 665     // Special media
 666
 667     AliMaterial(90,"SPD shield$", 12.011, 6., 1.93/10. , 22.1*10., 999);
 668     AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 669               deemaxServ,epsilServ,stminServ);
 670
 671     AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
 672     AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 673               deemaxServ,epsilServ,stminServ);
 674
 675     AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
 676     AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 677               deemaxServ,epsilServ,stminServ);
 678
 679 //     Material with fractional Z not actually used
 680 //     AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
 681 //     AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 682 //               deemaxServ,epsilServ,stminServ);
 683
 684     AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
 685     AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 686               deemaxServ,epsilServ,stminServ);
 687
 688 //     Material with fractional Z not actually used
 689 //     AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
 690 //     AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 691 //     deemaxServ,epsilServ,stminServ);
 692
 693     AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
 694     AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 695               deemaxServ,epsilServ,stminServ);
 696
 697 }
 698
 699
 700 //______________________________________________________________________
 701 void AliITSv11::InitAliITSgeom(){
 702   //
 703   // Fill fITSgeom with the 3 sub-detector geometries
 704   //
 705
 706   const Int_t knlayers = 2;             // only SDD for the moment
 707   Int_t nlad[knlayers],ndet[knlayers];
 708   nlad[0]=14; nlad[1]=22;
 709   ndet[0]=6;  ndet[1]=8;
 710   Int_t mod = nlad[0]*ndet[0]+nlad[1]*ndet[1];
 711   if (fITSgeom) delete fITSgeom;
 712   fITSgeom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
 713
 714
 715   //***************************************************
 716   //               Set default shapes
 717   // (These default shapes won't exist anymore when all
 718   //  layers are coded)
 719
 720   const Float_t kDxyzSPD[] = {0.6400, 0.015,   3.480};
 721   if(!(fITSgeom->IsShapeDefined(kSPD)))
 722     fITSgeom->ReSetShape(kSPD,
 723                          new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
 724
 725   const Float_t kDxyzSSD[] = {3.6500, 0.0150,  2.000};
 726   if(!(fITSgeom->IsShapeDefined(kSSD)))
 727     fITSgeom->ReSetShape(kSSD,
 728                          new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
 729
 730   //*****************************************
 731   fSDDgeom->ExportSensorGeometry(fITSgeom, +1, 0);  //SDD
 732
 733   return;
 734 }
 735
 736
 737 //______________________________________________________________________
 738 void AliITSv11::Init(){
 739   //
 740   //     Initialise the ITS after it has been created.
 741   //
 742
 743     Int_t i;
 744
 745     for(i=0;i<20;i++) printf("*");
 746     printf( " ITSv%i.%i_Init ", fMajorVersion,fMinorVersion );
 747     for(i=0;i<20;i++) printf("*"); printf("\n");
 748
 749     // Create geometry
 750     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
 751     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
 752     if(fITSgeom!=0) delete fITSgeom;
 753     fITSgeom = new AliITSgeom();
 754     if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
 755     else this->InitAliITSgeom();
 756     if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
 757
 758     // Initialize AliITS
 759     AliITS::Init();
 760
 761     for(i=0;i<40+16;i++) printf("*"); printf("\n");
 762 }
 763
 764
 765 //______________________________________________________________________
 766 void AliITSv11::SetDefaults(){
 767   //
 768   // Set response ans segmentation models for SPD, SDD and SSD
 769   //
 770
 771   printf("AliITSv11::SetDefaults :\n");
 772   const Float_t kconv = 1.0e+04; // convert cm to microns
 773
 774   AliITSDetType *iDetType;
 775   AliITSgeomSPD  *s0;
 776   AliITSgeomSDD  *s1;
 777   AliITSgeomSSD  *s2;
 778   Int_t i;
 779   Float_t bx[256],bz[280];
 780
 781   //================================================ SPD
 782   iDetType=DetType(kSPD);
 783   s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
 784   // If some SPD detectors have been inserted in t
 785   if (s0) {
 786     AliITSresponse *resp0=new AliITSresponseSPD();
 787     SetResponseModel(kSPD,resp0);
 788     AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
 789     seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
 790                      s0->GetDz()*2.*kconv, // for now.
 791                      s0->GetDy()*2.*kconv); // x,z,y full width in microns.
 792     seg0->SetNPads(256,160);// Number of Bins in x and z
 793     for(i=000;i<256;i++) bx[i] =  50.0; // in x all are 50 microns.
 794     for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
 795     for(i=160;i<280;i++) bz[i] =   0.0; // Outside of detector.
 796     bz[ 31] = bz[ 32] = 625.0; // first chip boundry
 797     bz[ 63] = bz[ 64] = 625.0; // first chip boundry
 798     bz[ 95] = bz[ 96] = 625.0; // first chip boundry
 799     bz[127] = bz[128] = 625.0; // first chip boundry
 800     bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
 801     seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
 802     SetSegmentationModel(kSPD,seg0);
 803     // set digit and raw cluster classes to be used
 804     const char *kData0=(iDetType->GetResponseModel())->DataType();
 805     if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
 806                                                     "AliITSRawClusterSPD");
 807     else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
 808   };
 809
 810   //================================================ SDD
 811   iDetType=DetType(kSDD);
 812   s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);// Get shape info. Do it this way for now.
 813   if (s1) {
 814     AliITSresponseSDD *resp1=new AliITSresponseSDD("simulated");
 815     SetResponseModel(kSDD,resp1);
 816     AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
 817     seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
 818                      s1->GetDz()*2.*kconv, // for now.
 819                      s1->GetDy()*2.*kconv); // x,z,y full width in microns.
 820     seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
 821     SetSegmentationModel(kSDD,seg1);
 822     const char *kData1=(iDetType->GetResponseModel())->DataType();
 823     const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
 824     if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
 825       iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
 826     } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
 827   };
 828
 829   //================================================ SSD  Layer 5
 830   iDetType=DetType(kSSD);
 831   s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now.
 832   if (s2) {
 833     AliITSresponse *resp2=new AliITSresponseSSD("simulated");
 834     SetResponseModel(kSSD,resp2);
 835     AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
 836     seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
 837                      s2->GetDz()*2.*kconv, // for now.
 838                      s2->GetDy()*2.*kconv); // x,z,y full width in microns.
 839     seg2->SetPadSize(95.,0.); // strip x pitch in microns
 840     seg2->SetNPads(768,0); // number of strips on each side.
 841     seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
 842     seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
 843     seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
 844     SetSegmentationModel(kSSD,seg2);
 845     const char *kData2=(iDetType->GetResponseModel())->DataType();
 846     if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit",
 847                                                     "AliITSRawClusterSSD");
 848     else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
 849   };
 850
 851   if(kNTYPES>3){
 852     Warning("SetDefaults",
 853             "Only the four basic detector types are initialised!");
 854   }// end if
 855   return;
 856 };
 857
 858
 859
 860
 861 //______________________________________________________________________
 862 void AliITSv11::DrawModule() const{
 863
 864 }
 865
 866 //______________________________________________________________________
 867 void AliITSv11::StepManager(){
 868   //
 869   //    Called for every step in the ITS, then calles the AliITShit class
 870   // creator with the information to be recoreded about that hit.
 871   //
 872
 873   Int_t         copy, id;
 874   TLorentzVector position, momentum;
 875   static TLorentzVector position0;
 876   static Int_t stat0=0;
 877
 878   if(!(this->IsActive())){
 879     return;
 880   } // end if !Active volume.
 881
 882   if(!(gMC->TrackCharge())) return;
 883
 884   id=gMC->CurrentVolID(copy);
 885
 886   Bool_t sensvol = kFALSE;
 887   for(Int_t kk = 0; kk < fIdN; kk++)
 888     if(id == fIdSens[kk]) sensvol = kTRUE;
 889
 890   if (sensvol && (gMC->IsTrackExiting())) {
 891     copy = fTrackReferences->GetEntriesFast();
 892     TClonesArray &lTR = *fTrackReferences;
 893     // Fill TrackReference structure with this new TrackReference.
 894     new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
 895   } // if Outer ITS mother Volume
 896
 897   Int_t   vol[5];
 898   TClonesArray &lhits = *fHits;
 899   //
 900   // Track status
 901   vol[3] = 0;
 902   vol[4] = 0;
 903   // Fill hit structure.
 904   if(gMC->IsTrackInside())      vol[3] +=  1;
 905   if(gMC->IsTrackEntering())    vol[3] +=  2;
 906   if(gMC->IsTrackExiting())     vol[3] +=  4;
 907   if(gMC->IsTrackOut())         vol[3] +=  8;
 908   if(gMC->IsTrackDisappeared()) vol[3] += 16;
 909   if(gMC->IsTrackStop())        vol[3] += 32;
 910   if(gMC->IsTrackAlive())       vol[3] += 64;
 911
 912   // Only entering charged tracks
 913   if(!(gMC->TrackCharge())) return;
 914
 915   if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
 916     fSDDgeom->GetCurrentLayLaddDet(vol[0], vol[2], vol[1]);
 917     // vol[2], vol[1]) : in this order because the ladder
 918     // index and the det. index are exchanged in the constructor
 919     // of AliITShit ...                     ???
 920
 921   } else {
 922     return; // not an ITS volume?
 923   };
 924
 925   gMC->TrackPosition(position);
 926   gMC->TrackMomentum(momentum);
 927   vol[4] = stat0;
 928   if(gMC->IsTrackEntering()){
 929     position0 = position;
 930     stat0 = vol[3];
 931     return;
 932   } // end if IsEntering
 933     // Fill hit structure with this new hit.
 934   new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),
 935                                  vol, gMC->Edep(),gMC->TrackTime(),position,
 936                                  position0,momentum);
 937   //
 938   position0 = position;
 939   stat0 = vol[3];
 940
 941   return;
 942 };