ITS/AliITSv11.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /*
  17 $Log$
  18 Revision 1.6  2003/02/10 17:03:52  nilsen
  19 New version and structure of ITS V11 geometry. Work still in progress.
  20
  21 Revision 1.5  2003/02/01 14:02:20  nilsen
  22 Work continues.
  23
  24 Revision 1.4  2003/01/29 16:01:14  nilsen
  25 Update today's work.
  26
  27 Revision 1.3  2003/01/28 17:59:54  nilsen
  28 Work continuing.
  29
  30 Revision 1.2  2003/01/26 14:35:15  nilsen
  31 Some more geometry interface functions added and a start at the SSD support
  32 cone geometry. Committed to allow easy updates of partical work between
  33 authors.
  34
  35 Revision 1.1  2003/01/20 23:32:49  nilsen
  36 New ITS geometry. Only a Skeleton for now.
  37
  38 $Id$
  39 */
  40
  41 //////////////////////////////////////////////////////////////////////////////
  42 //                                                                          //
  43 //  Inner Traking System version 11                                         //
  44 //  This class contains the base procedures for the Inner Tracking System   //
  45 //                                                                          //
  46 // Authors: R. Barbera                                                      //
  47 // version 6.                                                               //
  48 // Created  2000.                                                           //
  49 //                                                                          //
  50 //  NOTE: THIS IS THE  SYMMETRIC PPR geometry of the ITS.                   //
  51 // THIS WILL NOT WORK                                                       //
  52 // with the geometry or module classes or any analysis classes. You are     //
  53 // strongly encouraged to uses AliITSv5.                                    //
  54 //                                                                          //
  55 //////////////////////////////////////////////////////////////////////////////
  56 // See AliITSv11::StepManager().
  57 #include <Riostream.h>
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <TMath.h>
  61 #include <TFile.h>    // only required for Tracking function?
  62 #include <TObjArray.h>
  63 #include <TLorentzVector.h>
  64 #include <TObjString.h>
  65 #include <TClonesArray.h>
  66 #include <TBRIK.h>
  67 #include <TSystem.h>
  68
  69
  70 #include "AliRun.h"
  71 #include "AliMagF.h"
  72 #include "AliConst.h"
  73 #include "AliITSGeant3Geometry.h"
  74 #include "AliITShit.h"
  75 #include "AliITSv11.h"
  76 #include "AliITSgeom.h"
  77 #include "AliITSgeomSPD.h"
  78 #include "AliITSgeomSDD.h"
  79 #include "AliITSgeomSSD.h"
  80 #include "AliITSDetType.h"
  81 #include "AliITSresponseSPD.h"
  82 #include "AliITSresponseSDD.h"
  83 #include "AliITSresponseSSD.h"
  84 #include "AliITSsegmentationSPD.h"
  85 #include "AliITSsegmentationSDD.h"
  86 #include "AliITSsegmentationSSD.h"
  87 #include "AliITSsimulationSPD.h"
  88 #include "AliITSsimulationSDD.h"
  89 #include "AliITSsimulationSSD.h"
  90 #include "AliITSClusterFinderSPD.h"
  91 #include "AliITSClusterFinderSDD.h"
  92 #include "AliITSClusterFinderSSD.h"
  93 //
  94 #include "AliITSGeometryITSV.h"
  95 #include "AliITSGeometrySSDCone.h"
  96 #include "AliITSGeometrySDDCone.h"
  97
  98 ClassImp(AliITSv11)
  99
 100 //______________________________________________________________________
 101 AliITSv11::AliITSv11() : AliITS() {
 102     // Standard default constructor for the ITS version 11.
 103     // Inputs:
 104     //   none.
 105     // Outputs:
 106     //   none.
 107     // Return
 108     //   A default constructed AliITSv11 class.
 109
 110     fITSV = 0;
 111     fcS = 0;
 112 //   fcD = 0;
 113 }
 114 //______________________________________________________________________
 115 AliITSv11::AliITSv11(const char *title) : AliITS("ITS", title){
 116     // Standard constructor for the ITS version 11.
 117     // Inputs:
 118     //   const char *title  The title of for this geometry.
 119     // Outputs:
 120     //   none.
 121     // Return
 122     //   A Standard constructed AliITSv11 class.
 123
 124     fITSV = 0;
 125     fcS = 0;
 126 //    fcD = 0;
 127 }
 128 //______________________________________________________________________
 129 AliITSv11::~AliITSv11() {
 130     // Standard destructor for the ITS version 11.
 131     // Inputs:
 132     //   none.
 133     // Outputs:
 134     //   none.
 135     // Return
 136     //   none.
 137
 138     if(fITSV!=0) delete fITSV;
 139     if(fcS!=0) delete fcS;
 140 //    if(fcD!=0) delete fcD;
 141 }
 142 //______________________________________________________________________
 143 AliITSv11::AliITSv11(const AliITSv11 &source){
 144     //     Copy Constructor for ITS version 11.
 145     // Inputs:
 146     //   AliITSv11 &source  class to be copied from.
 147     // Outputs:
 148     //   none.
 149     // Return
 150     //   none.
 151
 152     if(&source == this) return;
 153     Error("Copy Constructor","Not allowed to copy AliITSv11");
 154     return;
 155 }
 156 //______________________________________________________________________
 157 AliITSv11& AliITSv11::operator=(const AliITSv11 &source){
 158     //    Assignment operator for the ITS version 11.
 159     // Inputs:
 160     //   AliITSv11 &source  class to be copied from.
 161     // Outputs:
 162     //   none.
 163     // Return
 164     //   none.
 165
 166     if(&source == this) return *this;
 167     Error("= operator","Not allowed to copy AliITSv11");
 168     return *this;
 169 }
 170 //______________________________________________________________________
 171 void AliITSv11::BuildGeometry(){
 172     // This routine defines and Creates the geometry for version 11 of
 173     // the ITS for use in the simulation display routines. This is a
 174     // very simplified geometry for speed of viewing.
 175     // Inputs:
 176     //   none.
 177     // Outputs:
 178     //   none.
 179     // Return
 180     //   none.
 181     TVector3 t(0.0,0.0,0.0);
 182
 183     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 184     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 185
 186     fcS->BuildDisplayGeometry();
 187 }
 188 //______________________________________________________________________
 189 void AliITSv11::CreateGeometry(){
 190     // This routine defines and Creates the geometry for version 11 of
 191     // the ITS. The geometry is used by the particle trasport routines,
 192     // and therefore, is very detailed.
 193     // Inputs:
 194     //   none.
 195     // Outputs:
 196     //   none.
 197     // Return
 198     //   none.
 199     TVector3 t(0.0,0.0,0.0);
 200
 201     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 202     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 203     //
 204     fITSV->CreateG3Geometry();
 205     fcS->CreateG3Geometry("TSV",t);
 206     //
 207     fITSV->PositionGeometry("ALIC",1,t,0);
 208     fcS->PositionG3Geometry(fITSV->GetParams(),1,t,0);
 209 }
 210 //______________________________________________________________________
 211 void AliITSv11::CreateMaterials(){
 212     // Create ITS materials
 213     //     This function defines the default materials used in the Geant
 214     // Monte Carlo simulations for the geometries AliITSv11.
 215     // In general it is automatically replaced by
 216     // Inputs:
 217     //   none.
 218     // Outputs:
 219     //   none.
 220     // Return
 221     //   none.
 222 /*
 223     TVector3 t(0.0,0.0,0.0);
 224
 225     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 226     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 227
 228     fITSV->CreateG3Materials();
 229     fcS->CreateG3Materials();
 230 */
 231
 232
 233   Int_t   ifield = gAlice->Field()->Integ();
 234   Float_t fieldm = gAlice->Field()->Max();
 235
 236   Float_t tmaxfd = 0.1; // 1.0; // Degree
 237   Float_t stemax = 1.0; // cm
 238   Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
 239   Float_t epsil  = 1.0E-4; // 1.0; // cm
 240   Float_t stmin  = 0.0; // cm "Default value used"
 241
 242   Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
 243   Float_t stemaxSi = 0.0075; //  .10000E+01; // cm
 244   Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 245   Float_t epsilSi  = 1.0E-4;// .10000E+01;
 246   Float_t stminSi  = 0.0; // cm "Default value used"
 247
 248   Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
 249   Float_t stemaxAir = .10000E+01; // cm
 250   Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 251   Float_t epsilAir  = 1.0E-4;// .10000E+01;
 252   Float_t stminAir  = 0.0; // cm "Default value used"
 253
 254   Float_t tmaxfdServ = 1.0; // 10.0; // Degree
 255   Float_t stemaxServ = 1.0; // 0.01; // cm
 256   Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
 257   Float_t epsilServ  = 1.0E-3; // 0.003; // cm
 258   Float_t stminServ  = 0.0; //0.003; // cm "Default value used"
 259
 260   // Freon
 261   Float_t afre[2]  = { 12.011,18.9984032 };
 262   Float_t zfre[2]  = { 6., 9. };
 263   Float_t wfre[2]  = { 5.,12. };
 264   Float_t densfre  = 1.5;
 265
 266   // --- Define the various materials and media for GEANT ---
 267   // AliMaterial(Int_t imat, const char* name, Float_t a, Float_t z,
 268   //              Float_t dens, Float_t radl, Float_t absl,
 269   //              Float_t *buf=0, Int_t nwbuf=0)
 270   //AliMedium(Int_t numed, const char *name, Int_t nmat,
 271   //          Int_t isvol, Int_t ifield, Float_t fieldm,
 272   //          Float_t tmaxfd, Float_t stemax, Float_t deemax,
 273   //          Float_t epsil, Float_t stmin, Float_t *ubuf=0, Int_t nbuf=0)
 274   AliMaterial(1,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 275   AliMedium(1,"SI$",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 276
 277   AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 278   AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 279
 280   AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 281   AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 282
 283   AliMaterial(4,"C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 284   AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 285
 286   AliMaterial(5,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 287   AliMedium(5,"AIR$",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 288
 289   AliMaterial(6,"GEN AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 290   AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 291
 292   AliMaterial(7,"SDD SI CHIP$",0.374952E+02,0.178184E+02,0.24485E+01,0.76931E+01,0.99900E+03);
 293   AliMedium(7,"SDD SI CHIP$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 294
 295   AliMaterial(9,"SDD C (M55J)$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 296   AliMedium(9,"SDD C (M55J)$",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 297
 298   AliMaterial(10,"SDD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 299   AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 300
 301   AliMaterial(11,"AL$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 302   AliMedium(11,"AL$",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 303
 304   AliMaterial(12,"WATER$",0.14322E+02,0.72167E+01,0.10000E+01,0.35759E+02,0.94951E+02);
 305   AliMedium(12,"WATER$",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 306
 307   AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
 308   AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 309
 310   AliMaterial(14,"COPPER$",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
 311   AliMedium(14,"COPPER$",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 312
 313   AliMaterial(15,"CERAMICS$",0.22314E+02,0.10856E+02,0.36000E+01,0.76200E+01,0.31901E+02);
 314   AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 315
 316   AliMaterial(20,"SSD C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 317   AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 318
 319   AliMaterial(21,"SSD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 320   AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 321
 322   AliMaterial(25,"G10FR4$",0.17749E+02,0.88750E+01,0.18000E+01,0.21822E+02,0.99900E+03);
 323   AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 324
 325   AliMaterial(26,"GEN C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 326   AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 327
 328   AliMaterial(27,"GEN Air$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 329   AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 330
 331   AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 332   AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 333
 334   AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 335   AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 336
 337   AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 338   AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 339
 340   AliMaterial(54,"SPD C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 341   AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 342
 343   AliMaterial(55,"SPD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 344   AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 345
 346   AliMaterial(56,"SPD KAPTON(POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 347   AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 348
 349   AliMaterial(61,"EPOXY$",0.17749E+02,0.88750E+01,0.18000E+01,0.21822E+02,0.99900E+03);
 350   AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 351
 352   AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 353   AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 354
 355   AliMaterial(63,"KAPTONH(POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 356   AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 357
 358   AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 359   AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 360
 361   AliMaterial(65,"INOX$",0.55098E+02,0.2572E+02,0.7900E+01,0.17800E+01,0.99900E+03);
 362   AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 363
 364   AliMaterial(68,"ROHACELL$",0.123974E+02,0.62363E+01,0.500E-01,0.80986E+03,0.99900E+03);
 365   AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 366
 367   AliMaterial(69,"SDD C AL (M55J)$",0.138802E+02,0.71315E+01,0.19837E+01,0.176542E+02,0.99900E+03);
 368   AliMedium(69,"SDD C AL (M55J)$",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 369
 370   AliMaterial(70,"SDDKAPTON (POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 371   AliMedium(70,"SDDKAPTON (POLYCH2)$",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 372
 373   AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
 374   AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 375
 376   AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
 377   AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 378
 379   AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
 380   AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 381
 382   AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 383   AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 384
 385   AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 386   AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 387
 388   AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
 389   AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 390
 391   AliMaterial(77,"SDD X7R capacitors$",0.1157516E+03,0.477056E+02,0.67200E+01,0.14236E+01,0.99900E+03);
 392   AliMedium(77,"SDD X7R capacitors$",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 393
 394   AliMaterial(78,"SDD ruby sph. Al2O3$",0.218101E+02,0.106467E+02,0.39700E+01,0.48539E+01,0.99900E+03);
 395   AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 396
 397   AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 398   AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 399
 400   AliMaterial(80,"SDD HV microcable$",0.159379E+02,0.78598E+01,0.16087E+01,0.217906E+02,0.99900E+03);
 401   AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 402
 403   AliMaterial(81,"SDD LV+signal cable$",0.223689E+02,0.108531+02,0.21035E+01,0.13440E+02,0.99900E+03);
 404   AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 405
 406   AliMaterial(82,"SDD hybrid microcab$",0.218254E+02,0.106001E+02,0.20502E+01,0.137308E+02,0.99900E+03);
 407   AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 408
 409   AliMaterial(83,"SDD anode microcab$",0.186438E+02,0.91193E+01,0.17854E+01,0.176451E+02,0.99900E+03);
 410   AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 411
 412   AliMaterial(84,"SDD/SSD rings$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 413   AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 414
 415   AliMaterial(85,"inox/alum$",0.321502E+02,0.153383E+02,0.30705E+01,0.69197E+01,0.99900E+03);
 416   AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 417
 418
 419   // Special media
 420
 421   AliMaterial(90,"SPD shield$", 12.011, 6., 1.93/10. , 22.1*10., 999);
 422   AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 423
 424   AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
 425   AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 426
 427   AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
 428   AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 429
 430   AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
 431   AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 432
 433   AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
 434   AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 435
 436   AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
 437   AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 438
 439   AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
 440   AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 441 }
 442 //______________________________________________________________________
 443 void AliITSv11::InitAliITSgeom(){
 444     // Based on the geometry tree defined in Geant 3.21, this
 445     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS
 446     // geometry sturture.
 447     // Inputs:
 448     //   none.
 449     // Outputs:
 450     //   none.
 451     // Return
 452     //   none.
 453 }
 454 //______________________________________________________________________
 455 void AliITSv11::Init(){
 456     // Initialise the ITS after it has been created.
 457     // Inputs:
 458     //   none.
 459     // Outputs:
 460     //   none.
 461     // Return
 462     //   none.
 463 }
 464 //______________________________________________________________________
 465 void AliITSv11::SetDefaults(){
 466     // Sets the default segmentation, response, digit and raw cluster
 467     // classes to be used. These defaults can be overwritten in the
 468     // macros that do these later steps. Defaults are give hear for the
 469     // general user.
 470     // Inputs:
 471     //   none.
 472     // Outputs:
 473     //   none.
 474     // Return
 475     //   none.
 476 }
 477 //______________________________________________________________________
 478 void AliITSv11::DrawModule(){
 479     // Draw a standard set of shaded view of the ITS version 11.
 480     // Inputs:
 481     //   none.
 482     // Outputs:
 483     //   none.
 484     // Return
 485     //   none.
 486 }
 487 //______________________________________________________________________
 488 void AliITSv11::StepManager(){
 489     // Called for every step in the ITS, then calles the AliITShit class
 490     // creator with the information to be recoreded about that hit.
 491     //  The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 492     // printing of information to a file which can be used to create a .det
 493     // file read in by the routine CreateGeometry(). If set to 0 or any other
 494     // value except 1, the default behavior, then no such file is created nor
 495     // is the extra variables and the like used in the printing allocated.
 496 }
 497