ITS/AliITSvSDD03.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  $Id$
  18 */
  19 /////////////////////////////////////////////////////////////////
  20 //  Class for the SDD beam test August2004                     //
  21 //                                                             //
  22 //                                                             //
  23 /////////////////////////////////////////////////////////////////
  24 #include <Riostream.h>
  25 #include <TMath.h>
  26 #include <TGeometry.h>
  27 #include <TNode.h>
  28 #include <TBRIK.h>
  29 #include <TLorentzVector.h>
  30 #include <TVirtualMC.h>
  31
  32 #include "AliMC.h"
  33 #include "AliRun.h"
  34 #include "AliMagF.h"
  35 #include "AliITSGeant3Geometry.h"
  36 #include "AliTrackReference.h"
  37 #include "AliITShit.h"
  38 #include "AliITS.h"
  39 #include "AliITSvSDD03.h"
  40 #include "AliITSgeom.h"
  41 #include "AliITSgeomSPD.h"
  42 #include "AliITSgeomSDD.h"
  43 #include "AliITSgeomSSD.h"
  44 #include "AliITSDetType.h"
  45 #include "AliITSresponseSPD.h"
  46 #include "AliITSresponseSDD.h"
  47 #include "AliITSresponseSSD.h"
  48 #include "AliITSsegmentationSPD.h"
  49 #include "AliITSsegmentationSDD.h"
  50 #include "AliITSsegmentationSSD.h"
  51 #include "AliITSsimulationSPDdubna.h"
  52 #include "AliITSsimulationSDD.h"
  53 #include "AliITSsimulationSSD.h"
  54
  55 ClassImp(AliITSvSDD03)
  56
  57 //______________________________________________________________________
  58 AliITSvSDD03::AliITSvSDD03() :
  59 AliITS(),
  60 fGeomDetOut(kFALSE),
  61 fGeomDetIn(kFALSE),
  62 fMajorVersion(1),
  63 fMinorVersion(2),
  64 fEuclidGeomDet(),
  65 fRead(),
  66 fWrite(),
  67 fDet1(300.0),
  68 fDet2(300.0),
  69 fChip1(300.0),
  70 fChip2(300.0),
  71 fIDMother(0),
  72 fYear(2003){
  73     ////////////////////////////////////////////////////////////////////////
  74     // Standard default constructor for the ITS SDD test beam 2002 version 1.
  75     // Inputs:
  76     //    none.
  77     // Outputs:
  78     //    none.
  79     // Return:
  80     //    A default created class.
  81     ////////////////////////////////////////////////////////////////////////
  82     Int_t i;
  83
  84     fIdN          = 0;
  85     fIdName       = 0;
  86     fIdSens       = 0;
  87     fEuclidOut    = kFALSE; // Don't write Euclide file
  88     for(i=0;i<60;i++) fRead[i] = '\0';
  89     for(i=0;i<60;i++) fWrite[i] = '\0';
  90     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  91     fTarg=kNoTarg;
  92     fTargThick=0;
  93 }
  94 //______________________________________________________________________
  95 AliITSvSDD03::AliITSvSDD03(const char *title,Int_t year):
  96 AliITS("ITS", title),
  97 fGeomDetOut(kFALSE),
  98 fGeomDetIn(kFALSE),
  99 fMajorVersion(1),
 100 fMinorVersion(2),
 101 fEuclidGeomDet(),
 102 fRead(),
 103 fWrite(),
 104 fDet1(300.0),
 105 fDet2(300.0),
 106 fChip1(300.0),
 107 fChip2(300.0),
 108 fIDMother(0),
 109 fYear(2003){
 110     ////////////////////////////////////////////////////////////////////////
 111     //    Standard constructor for the ITS SDD testbeam 2002 version 1.
 112     // Inputs:
 113     //    const char *title    title for this ITS geometry.
 114     // Outputs:
 115     //    none.
 116     // Return:
 117     //    A standard created class.
 118     ////////////////////////////////////////////////////////////////////////
 119     Int_t i;
 120
 121     fIdN = 3;
 122     fIdName = new TString[fIdN];
 123     fIdName[0] = "IMBS";
 124     fIdName[1] = "ITST";
 125     fIdName[2] = "ISNT";
 126     fIdSens    = new Int_t[fIdN];
 127     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 128     fEuclidOut    = kFALSE; // Don't write Euclide file
 129     fYear         = year;
 130     fTarg=kNoTarg;
 131     fTargThick=0;
 132     SetThicknessDet1();
 133     SetThicknessDet2();
 134     SetThicknessChip1();
 135     SetThicknessChip2();
 136
 137     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSDD032.euc";
 138     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSDD032.det",60);
 139     strncpy(fRead,fEuclidGeomDet,60);
 140     strncpy(fWrite,fEuclidGeomDet,60);
 141 }
 142 //______________________________________________________________________
 143 AliITSvSDD03::AliITSvSDD03(const AliITSvSDD03 &source) :  AliITS(source){
 144     ////////////////////////////////////////////////////////////////////////
 145     //     Copy Constructor for ITS SDD test beam 2002 version 1.
 146     // This class is not to be copied. Function only dummy.
 147     // Inputs:
 148     //    const AliITSvSDD03 &source   The class to be copied
 149     // Outputs:
 150     //    none.
 151     // Return:
 152     //    A warning message.
 153     ////////////////////////////////////////////////////////////////////////
 154     if(&source == this) return;
 155     Warning("Copy Constructor","Not allowed to copy AliITSvSDD03");
 156     return;
 157 }
 158 //______________________________________________________________________
 159 AliITSvSDD03& AliITSvSDD03::operator=(const AliITSvSDD03 &source){
 160     ////////////////////////////////////////////////////////////////////////
 161     //    Assignment operator for the ITS SDD test beam 2002 version 1.
 162     // This class is not to be copied. Function only dummy.
 163     // Inputs:
 164     //    const AliITSvSDD03 &source   The class to be copied
 165     // Outputs:
 166     //    none.
 167     // Return:
 168     //    A Warning message
 169     ////////////////////////////////////////////////////////////////////////
 170     if(&source == this) return *this;
 171     Warning("= operator","Not allowed to copy AliITSvSDD03");
 172     return *this;
 173 }
 174 //______________________________________________________________________
 175 AliITSvSDD03::~AliITSvSDD03() {
 176     ////////////////////////////////////////////////////////////////////////
 177     //    Standard destructor for the ITS SDD test beam 2002 version 1.
 178     // Inputs:
 179     //    none.
 180     // Outputs:
 181     //    none.
 182     // Return:
 183     //    none.
 184     ////////////////////////////////////////////////////////////////////////
 185 }
 186 //______________________________________________________________________
 187 void AliITSvSDD03::BuildGeometry(){
 188     ////////////////////////////////////////////////////////////////////////
 189     //    Geometry builder for the ITS SDD test beam 2002 version 1.
 190     //    ALIC    ALICE Mother Volume
 191     //     |- ITSV     ITS Mother Volume
 192     //         |- IDET       Detector under Test
 193     //         |   |- ITS0       SDD Si Chip
 194     //         |   |  |- ITST      SDD Sensitivve Volume
 195     //         |   |- IPC0 *5    Readout chip
 196     //         |- ITEL *4    SDD Telescope
 197     //             |- IMB0       SDD Si Chip
 198     //             |   |- IMBS     SDD Sensitive volume
 199     //             |- ICMB       Chip MiniBus.
 200     // Inputs:
 201     //    none.
 202     // Outputs:
 203     //    none.
 204     // Return:
 205     //    none.
 206     ////////////////////////////////////////////////////////////////////////
 207     // Get the top alice volume.
 208     TNode *nALIC = gAlice->GetGeometry()->GetNode("alice");
 209     nALIC->cd();
 210
 211     // Define ITS Mother Volume
 212     Float_t data[3];
 213     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 214     //Float_t yposition= 0.0;
 215     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
 216                                     90.0,0,0.0,0,90.0,270.0);
 217     data[0] = 10.0;
 218     data[1] = 10.0;
 219     data[2] = 100.0;
 220     TBRIK *sITSVshape =new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
 221                                  data[0],data[1],data[2]);
 222     TNode *sITSV = new TNode("ITSV","ITS Mother Volume",sITSVshape,
 223                             0.0,0.0,0.0,0,0);
 224     sITSV->cd(); // set ourselve into ITSV subvolume of ALIC
 225
 226     // SSD part of telescope (MiniBuS)
 227     data[0] = 1.06;
 228     data[1] = 0.5*ddettelescope;
 229     data[2] = 1.1;
 230     TBRIK *sIMB0shape = new TBRIK("IMB0shape","SDD wafer","Si",
 231                                  data[0],data[1],data[2]);
 232     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 233     data[0] = detMiniBusX = 0.5*384*50.0E-4;
 234     data[1] = detMiniBusY = 0.5*ddettelescope;
 235     data[2] = detMiniBusZ = 1.0;
 236     TBRIK *sIMBSshape = new TBRIK("IMBSshape","SDD Sensitive volume","Si",
 237                                  data[0],data[1],data[2]);
 238
 239     data[0] = 1.36;
 240     data[1] = 0.47;
 241     data[2] = 1.36;
 242     TBRIK *sITELshape = new TBRIK("ITELshape","ITELshape","Air",
 243                                  data[0],data[1],data[2]);
 244
 245
 246     // SDD under test
 247     Float_t spdX,spdY,spdZ;
 248     data[0] = 3.62500;
 249     data[1] = 0.5*ddettest;
 250     data[2] = 4.37940;
 251     TBRIK *sITS0shape = new TBRIK("ITS0shape","SDD wafer","Si",
 252                                  data[0],data[1],data[2]); // contains detector
 253     data[0] = spdX = 3.50860;
 254     data[1] = spdY = 0.5*ddettest;
 255     data[2] = spdZ = 3.76320;
 256     TBRIK *sITSTshape = new TBRIK("ITSTshape","SDD sensitive volume","Si",
 257                                  data[0],data[1],data[2]);
 258
 259     data[0] = 4.2;
 260     data[1] = 0.52;
 261     data[2] = 5.2;
 262     TBRIK *sIDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
 263                                  data[0],data[1],data[2]);
 264
 265
 266     // Place volumes in geometry
 267     char name[20],title[50];
 268
 269     //place SDD under test
 270     Double_t px=0.0,py=0.0;
 271     Double_t pz[2]={0.0,5.2};
 272     TNode *nIDET[2],*nITS0[2],*nITST[2];
 273     for(Int_t i=0;i<2;i++){
 274         sITSV->cd();
 275         sprintf(name,"IDET%d",i);
 276         sprintf(title,"SDD #%d under test",i+1);
 277         nIDET[i] = new TNode(name,title,sIDETshape,px,py,pz[i],r0,0);
 278         nIDET[i]->cd();
 279         nITS0[i] = new TNode("ITS0","SDD wafer",sITS0shape,0.0,0.0,0.0,0,0);
 280         nITS0[i]->cd();
 281         nITST[i] = new TNode("ITST","SDD sensitive volume",sITSTshape,
 282                             0.0,0.0,0.0,0,0);
 283         nITST[i]->SetLineColor(kYellow);
 284         fNodes->Add(nITST[i]);
 285     } // end for i
 286
 287     //place SSD telescope planes
 288     Double_t qx=0.0,qy=0.0;
 289     Double_t qz[10]={-58.4,-57.4,-50.4,-49.4,60.1,61.1,68.4,69.4,87.7,88.7};
 290     TNode *nITEL[10],*nIMB0[10],*nIMBS[10];
 291     for(Int_t i=0;i<10;i++){
 292         sITSV->cd();
 293         sprintf(name,"ITEL%d",i);
 294         sprintf(title,"Test beam telescope element #%d",i+1);
 295         nITEL[i] = new TNode(name,title,sITELshape,qx,qy,qz[i],r0,0);
 296         nITEL[i]->cd();
 297         nIMB0[i] = new TNode("IMB0","Chip MiniBus",sIMB0shape,
 298                             0.0, 0.0,0.0,0,0);
 299         nIMB0[i]->cd();
 300         nIMBS[i] = new TNode("IMBS","IMBS",sIMBSshape,0.0,0.0,0.0,0,0);
 301         nIMBS[i]->SetLineColor(kGreen);
 302         fNodes->Add(nIMBS[i]);
 303     } // end for i
 304     nALIC->cd();
 305     sITSV->Draw();
 306 }
 307 //______________________________________________________________________
 308 Int_t AliITSvSDD03::DecodeDetector(Int_t id,Int_t cpy,Int_t &lay,
 309                                    Int_t &det,Int_t &lad) const{
 310     // Given the Geant id and copy volume number, returns the layer, ladder,
 311     // and detector number, allong with the module number of the detector
 312     // involved. Returns -1 and lay=0, lad=0, and det=0 if not a sensitive
 313     // volume.
 314     // Inputs:
 315     //    Int_t id    Geometry volume id number
 316     //    Int_t cpy   Geometry copy number
 317     // Outputs:
 318     //    Int_t lay   ITS layer number
 319     //    Int_t lad   ITS ladder number
 320     //    Int_t det   ITS detector number
 321     // Return:
 322     //    Int_t module number.
 323     Int_t mod;
 324
 325     lay = 0; lad = 0; det = 0; mod = -1;
 326     if(id==fIdSens[0]){ // Volume name is IMBS (ITEL)
 327         lad = 1; det = 1;
 328         lay = cpy;
 329         if(cpy>4) lay+=2;
 330         mod = lay-1;
 331         return mod;
 332     }// end if
 333     if(id==fIdSens[1]){ // Volume name is ITST (IDet)
 334         lad = 1; det = 1;lay = cpy+4;
 335         mod = lay-1;
 336         return mod;
 337     }// end if
 338     return mod;
 339 }
 340 //______________________________________________________________________
 341 void AliITSvSDD03::CreateGeometry(){
 342     ////////////////////////////////////////////////////////////////////////
 343     //  This routine defines and Creates the geometry for version 1 of the ITS.
 344     //    ALIC    ALICE Mother Volume
 345     //     |- ITSV     ITS Mother Volume
 346     //         |- IDET       Detector under Test (boxcontaining SDD)
 347     //         |   |-IDAI        Air inside box
 348     //         |       |- ITS0       SDD Si Chip
 349     //         |          |- ITST      SDD Sensitivve Volume
 350     //         |- ITEL *10   SSD Telescope (plastic box containting SSD's)
 351     //         |   |- ITAI       Air inside box
 352     //         |       |- IMB0       SDD Si Chip
 353     //         |           |- IMBS     SDD Sensitive volume
 354     //         |-ISNT*4    Sintilator triggers
 355     // Inputs:
 356     //    none.
 357     // Outputs:
 358     //    none.
 359     // Return:
 360     //    none.
 361     ////////////////////////////////////////////////////////////////////////
 362     Float_t data[49];
 363     // Define media off-set
 364     Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
 365     Int_t idrotm[4]; // Array of rotation matrix indexes
 366     //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 367     //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 368     //Float_t yposition= 0.0;
 369     const Float_t kmm=0.1,kcm=1.0,kmicm=kmm/1000.;
 370     // Define Rotation-reflextion Matrixes needed
 371     // 0 is the unit matrix
 372     AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X
 373     AliMatrix(idrotm[1], 90.0,90.0, 0.0,180.0, 90.0,270.0); // SSD Y
 374     AliMatrix(idrotm[2],90.0,90.0,90.0,180.0,0.0,0.0);  //Rotate about Z 90 degree
 375
 376     data[0] = 150.0*kmm;
 377     data[1] = 150.0*kmm;
 378     data[2] = 1100.0*kmm;
 379     gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
 380     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
 381
 382
 383     // Crossed sintilator triggers (2 in front 2 in back)
 384     data[0] = 10.0*kcm;
 385     data[1] = 2.0*kcm;
 386     data[2] = 2.0*kmm;
 387     gMC->Gsvolu("ISNT","BOX ",idtmed[2],data,3);
 388     gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,-950.0*kmm,0,"ONLY");
 389     gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,-950.0*kmm-data[2],idrotm[2],"ONLY");
 390     gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,950.0*kmm+data[2],0,"ONLY");
 391     gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,950.0*kmm,idrotm[2],"ONLY");
 392
 393
 394 ////Create Volumes
 395
 396     // SSD part of telescope (MiniBuS)
 397     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 398     data[0] = detMiniBusX = 10600.0*kmicm;
 399     data[1] = detMiniBusY = 0.150*kmm;
 400     data[2] = detMiniBusZ = 1.1*kcm;
 401     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
 402     data[0] = 0.5*384*50*kmicm;
 403     data[1] = 0.1499*kmm;
 404     data[2] = 1.0*kcm;
 405     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detector volume
 406     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
 407     // Box containing SSD's
 408     data[0] = 11600.0*kmicm;
 409     data[1] = 0.450*kcm;
 410     data[2] = 1.16*kcm;
 411     gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
 412     // Plastic box size = insize + thickness.
 413     data[0] = data[0] + 2.0*kmm;
 414     data[1] = data[1] + 200.0*kmicm;
 415     data[2] = data[2] + 2.0*kmm;
 416     gMC->Gsvolu("ITEL","BOX ",idtmed[3],data,3);
 417     gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
 418     gMC->Gspos("IMB0",1,"ITAI",0.0,0.0,0.0,0,"ONLY");
 419
 420     // SDD under test
 421     Float_t sddX,sddY,sddZ;
 422     data[0] = sddX = 3.62500*kcm;
 423     data[1] = sddY = 0.1500*kmm;
 424     data[2] = sddZ = 4.37940*kcm;
 425     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
 426     data[0] = 3.50860*kcm;
 427     data[1] = 0.1499*kmm;
 428     data[2] = 3.76320*kcm;
 429     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
 430     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
 431     // Box containing SDD under test
 432     data[0] = 4.0*kcm;
 433     data[1] = 0.5*kcm;
 434     data[2] = 5.0*kcm;
 435     gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
 436     data[0] = data[0] + 2.0*kmm;
 437     data[1] = data[1] + 200.0*kmicm;
 438     data[2] = data[2] + 2.0*kmm;
 439     gMC->Gsvolu("IDET","BOX ",idtmed[3],data,3);
 440     gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
 441     gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
 442
 443
 444 //// Position detectors, Beam Axis Z, X to the right, Y up to the sky.
 445     // Upsteram planes of the telescope
 446     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
 447     p00X = 0.0*kcm;
 448     p00Y = 0.0*kcm;
 449     p00Z = -584*kmm;
 450     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
 451     p01X = 0.0*kcm;
 452     p01Y = 0.0*kcm;
 453     p01Z = -574*kmm;
 454     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 455     p01X = 0.0*kcm;
 456     p01Y = 0.0*kcm;
 457     p01Z = -504*kmm;
 458     gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
 459     p01X = 0.0*kcm;
 460     p01Y = 0.0*kcm;
 461     p01Z = -494*kmm;
 462     gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 463
 464     // Downstream planes of the telescope
 465     p10X = 0.0*kcm;
 466     p10Y = 0.0*kcm;
 467     p10Z = +601.0*kmm;
 468     gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
 469     p11X = 0.0*kcm;
 470     p11Y = 0.0*kcm;
 471     p11Z = +610.0*kmm; //611.0
 472     gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 473     p11X = 0.0*kcm;
 474     p11Y = 0.0*kcm;
 475     p11Z = +684.0*kmm;
 476     gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 477     p11X = 0.0*kcm;
 478     p11Y = 0.0*kcm;
 479     p11Z = +694.0*kmm;
 480     gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 481     p11X = 0.0*kcm;
 482     p11Y = 0.0*kcm;
 483     p11Z = +877.0*kmm;
 484     gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 485     p11X = 0.0*kcm;
 486     p11Y = 0.0*kcm;
 487     p11Z = +887.0*kmm;
 488     gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 489
 490     // SDDs
 491     Float_t pdet1X,pdet1Y,pdet1Z;
 492     Float_t pdet2X,pdet2Y,pdet2Z;
 493     pdet1X = 0.0*kcm;
 494     pdet1Y = 0.0*kcm;
 495     pdet1Z = 0.0*kcm;
 496     gMC->Gspos("IDET",1,"ITSV",pdet1X,pdet1Y,pdet1Z,idrotm[0],"ONLY");// Detector1
 497     pdet2X = 0.0*kcm;
 498     pdet2Y = 0.0*kcm;
 499     pdet2Z = 52*kmm; //52
 500     gMC->Gspos("IDET",2,"ITSV",pdet2X,pdet2Y,pdet2Z,idrotm[0],"ONLY");// Detector2
 501
 502 // Target definition and placement
 503     if(fTarg){
 504       data[0] = 30*kmm;
 505       data[1] = fTargThick*kmm;  // Target thickness
 506       data[2] = 30*kmm;
 507       gMC->Gsvolu("ITGT","BOX ",idtmed[fTarg],data,3);
 508
 509       Float_t a,z,dens,radl,absl;
 510       Float_t* ubuf=0; Int_t nbuf;
 511       char* ssss="";
 512       gMC->Gfmate(idtmed[fTarg],ssss,a,z,dens,radl,absl,ubuf,nbuf);
 513
 514       Info("CreateGeometry","Target A=%f,  Z=%f,  dens=%f",a,z,dens);
 515       Info("Creategeometry","Target thickness=%f mm",fTargThick);
 516
 517       Float_t ptgtX,ptgtY,ptgtZ;
 518       ptgtX = 0.0*kcm;
 519       ptgtY = 0.0*kcm;
 520       ptgtZ = -50*kmm;
 521       gMC->Gspos("ITGT",1,"ITSV",ptgtX,ptgtY,ptgtZ,idrotm[0],"ONLY");// Target
 522     }else{
 523       Info("CreateGeometry","No target defined");
 524     }
 525 }
 526 //______________________________________________________________________
 527 void AliITSvSDD03::CreateMaterials(){
 528     ////////////////////////////////////////////////////////////////////////
 529     //
 530     // Create ITS SDD test beam materials
 531     //     This function defines the default materials used in the Geant
 532     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 533     // AliITSvSDD03.
 534     // In general it is automatically replaced by
 535     // the CreatMaterials routine defined in AliITSv?. Should the function
 536     // CreateMaterials not exist for the geometry version you are using this
 537     // one is used. See the definition found in AliITSv5 or the other routine
 538     // for a complete definition.
 539     //
 540     // Inputs:
 541     //    none.
 542     // Outputs:
 543     //    none.
 544     // Return:
 545     //    none.
 546     /////////////////////////////////////////////////////////////////////////
 547     Float_t tmaxfdSi = 0.1; // Degree
 548     Float_t stemaxSi = 0.0075; // cm //0.0075
 549     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
 550     Float_t epsilSi  = 1.0E-4;//
 551     Float_t stminSi  = 0.0; // cm "Default value used"
 552
 553     Float_t tmaxfdAir = 0.1; // Degree
 554     Float_t stemaxAir = .10000E+01; // 1 cm  //cm
 555     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
 556     Float_t epsilAir  = 1.0E-4;//
 557     Float_t stminAir  = 0.0; // cm "Default value used"
 558     Int_t   ifield = gAlice->Field()->Integ();
 559     Float_t fieldm = gAlice->Field()->Max();
 560     //
 561
 562     // AIR
 563     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 564     Float_t zAir[4]={6.,7.,8.,18.};
 565     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 566     Float_t dAir = 1.20479E-3;
 567     // Lucite/Plexiglass
 568     Float_t aLuc[3] = {1.,12.,16.};
 569     Float_t zLuc[3] = {1.,6.,8.};
 570     Float_t wLuc[3] = {8.,5.,2.};
 571     Float_t dLuc = 1.19;
 572     // stainless steel
 573     Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
 574     Float_t zsteel[4] = { 26.,24.,28.,14. };
 575     Float_t wsteel[4] = { .715,.18,.1,.005 };
 576     Float_t dsteel = 7.88;
 577
 578     AliMixture(1, "AIR$",aAir,zAir,dAir,4,wAir);
 579     AliMaterial(2,"SI$",28.086,14.0,2.3300,9.3600,999.00);
 580     AliMixture(3,"Sintilator$",aLuc,zLuc,dLuc,-3,wLuc);
 581     AliMixture(4,"PlasticBox$",aLuc,zLuc,dLuc,-3,wLuc);
 582     AliMaterial(5, "IRON$", 55.85, 26., 7.87, 1.76, 999.00);
 583     AliMaterial(6, "LEAD$", 207.19, 82., 11.35, .56, 999.00);
 584     AliMixture(7, "STAINLESS STEEL$", asteel, zsteel,dsteel, 4, wsteel);
 585     AliMaterial(9, "C$", 12.011, 6., 2.265, 18.8, 999.00);
 586     AliMaterial(10, "Al$", 26.98, 13., 2.70, 8.9, 999.00);
 587     AliMaterial(11, "Be$", 9.012, 4., 1.848, 35.3, 999.00);
 588     AliMaterial(12, "Ti$", 47.88, 22., 4.54, 3.56, 999.00);
 589     AliMaterial(13, "Sn$", 118.69, 50., 7.31, 1.21, 999.00);
 590     AliMaterial(14, "Cu$", 63.55, 29., 8.96, 1.43, 999.00);
 591     AliMaterial(15, "Ge$", 72.59, 32., 5.323, 2.30, 999.00);
 592     AliMaterial(20, "W$", 183.85, 74., 19.3, 0.35, 999.00);
 593
 594     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
 595               epsilAir,stminAir);
 596     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 597               epsilSi,stminSi);
 598     AliMedium(3,"Scintillator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 599               epsilSi,stminSi);
 600     AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 601               epsilSi,stminSi);
 602     AliMedium(5,"IRON$",5,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 603               epsilSi,stminSi);
 604     AliMedium(6,"LEAD$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 605               epsilSi,stminSi);
 606     AliMedium(7,"StainlessSteel$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 607               epsilSi,stminSi);
 608
 609     AliMedium(9,"C$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 610     AliMedium(10,"Al$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 611     AliMedium(11,"Be$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 612     AliMedium(12,"Ti$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 613     AliMedium(13,"Sn$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 614     AliMedium(14,"Cu$",14,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 615     AliMedium(15,"Ge$",15,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 616     AliMedium(20,"W$",20,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 617     //dummy materials to avoid warning during simulation (galice.cuts)
 618
 619    AliMedium(21,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 620               epsilSi,stminSi);
 621    AliMedium(25,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 622               epsilSi,stminSi);
 623    AliMedium(26,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 624               epsilSi,stminSi);
 625    AliMedium(27,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 626               epsilSi,stminSi);
 627    AliMedium(51,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 628               epsilSi,stminSi);
 629    AliMedium(52,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 630               epsilSi,stminSi);
 631    AliMedium(53,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 632               epsilSi,stminSi);
 633    AliMedium(54,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 634               epsilSi,stminSi);
 635    AliMedium(55,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 636               epsilSi,stminSi);
 637    AliMedium(56,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 638               epsilSi,stminSi);
 639    AliMedium(61,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 640               epsilSi,stminSi);
 641    AliMedium(62,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 642               epsilSi,stminSi);
 643    AliMedium(63,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 644               epsilSi,stminSi);
 645    AliMedium(64,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 646               epsilSi,stminSi);
 647    AliMedium(65,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 648               epsilSi,stminSi);
 649    AliMedium(68,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 650               epsilSi,stminSi);
 651    AliMedium(69,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 652               epsilSi,stminSi);
 653    AliMedium(70,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 654               epsilSi,stminSi);
 655    AliMedium(71,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 656               epsilSi,stminSi);
 657    AliMedium(72,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 658               epsilSi,stminSi);
 659    AliMedium(73,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 660               epsilSi,stminSi);
 661    AliMedium(74,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 662               epsilSi,stminSi);
 663    AliMedium(75,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 664               epsilSi,stminSi);
 665    AliMedium(76,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 666               epsilSi,stminSi);
 667    AliMedium(77,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 668               epsilSi,stminSi);
 669    AliMedium(78,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 670               epsilSi,stminSi);
 671    AliMedium(79,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 672               epsilSi,stminSi);
 673    AliMedium(80,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 674               epsilSi,stminSi);
 675    AliMedium(81,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 676               epsilSi,stminSi);
 677    AliMedium(82,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 678               epsilSi,stminSi);
 679    AliMedium(83,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 680               epsilSi,stminSi);
 681    AliMedium(84,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 682               epsilSi,stminSi);
 683    AliMedium(85,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 684               epsilSi,stminSi);
 685    AliMedium(90,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 686               epsilSi,stminSi);
 687    AliMedium(91,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 688               epsilSi,stminSi);
 689    AliMedium(92,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 690               epsilSi,stminSi);
 691    AliMedium(93,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 692               epsilSi,stminSi);
 693    AliMedium(94,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 694               epsilSi,stminSi);
 695    AliMedium(95,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 696               epsilSi,stminSi);
 697    AliMedium(96,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 698               epsilSi,stminSi);
 699
 700 }
 701 //______________________________________________________________________
 702 void AliITSvSDD03::InitAliITSgeom(){
 703     //     Based on the geometry tree defined in Geant 3.21, this
 704     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
 705     // sturture.
 706     // Inputs:
 707     //    none.
 708     // Outputs:
 709     //    none.
 710     // Return:
 711     //    none.
 712
 713
 714   if(strcmp(gMC->GetName(),"TGeant3")) {
 715     Error("InitAliITSgeom",
 716           "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
 717     return;
 718   } // end if
 719   Info("InitAliITSgeom","Reading geometry transformation directly from Geant 3");
 720   const Int_t knp=384;
 721   const Float_t kpitch=50.E-4;/*cm*/
 722   Float_t box[3]={0.5*kpitch*(Float_t)knp,150.E-4,1.0},p[knp+2],n[knp+2];
 723   const Int_t kltypess = 2;
 724   const Int_t knlayers = 12;
 725   const Int_t kndeep = 6;
 726   Int_t itsGeomTreeNames[kltypess][kndeep],lnam[20],lnum[20];
 727   Int_t nlad[knlayers],ndet[knlayers];
 728   Double_t t[3],r[10];
 729   Float_t  par[20],att[20];
 730   Int_t    npar,natt,idshape,imat,imed,id;
 731   AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
 732   Int_t mod,typ,lay,lad,det,cpy,i,j,k;
 733   Char_t names[kltypess][kndeep][4];
 734   Int_t itsGeomTreeCopys[kltypess][kndeep];
 735   Char_t *namesA[kltypess][kndeep] = {
 736     {"ALIC","ITSV","ITEL","ITAI","IMB0","IMBS"},
 737     {"ALIC","ITSV","IDET","IDAI","ITS0","ITST"}};
 738   Int_t itsGeomTreeCopysA[kltypess][kndeep]= {{1,1,10,1,1,1},
 739                                             {1,1,2,1,1,1}};
 740   for(i=0;i<kltypess;i++)for(j=0;j<kndeep;j++){
 741     for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
 742     itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
 743   } // end for i,j
 744   p[0]=-box[0];
 745   n[0]=box[0];
 746   for(i=1;i<knp;i++){// Fill in anode and cathode strip locations (lower edge)
 747     p[i] =p[i-1]+kpitch;
 748     n[i] =n[i-1]-kpitch;
 749   } // end for i
 750   p[knp+1]=box[0];
 751   n[knp+1]=-box[0];
 752
 753   for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
 754   for(i=0;i<kltypess;i++)for(j=0;j<kndeep;j++)
 755     strncpy((char*) &itsGeomTreeNames[i][j],names[i][j],4);
 756   //    itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
 757   mod = knlayers;
 758   if(fITSgeom!=0) delete fITSgeom;
 759   for(Int_t iMod=0; iMod<knlayers; iMod++){
 760     nlad[iMod]=1; ndet[iMod]=1;
 761   }
 762   fITSgeom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
 763   fIdSens[0] = 0; fIdSens[1] = 1; // Properly reset in Init later.
 764   for(typ=1;typ<=kltypess;typ++){
 765     for(j=0;j<kndeep;j++) lnam[j] = itsGeomTreeNames[typ-1][j];
 766     for(j=0;j<kndeep;j++) lnum[j] = itsGeomTreeCopys[typ-1][j];
 767     if(typ == 1) id = fIdSens[0];
 768     else id = fIdSens[1];
 769     lad = 1;
 770     det = 1;
 771     for(cpy=1;cpy<=itsGeomTreeCopys[typ-1][2];cpy++){
 772       mod = DecodeDetector(id,cpy,lay,lad,det);
 773       //lunm[2] is the copy number, from 1 to 10 for SSD
 774       // 1,2 for SDD, depending on the module number
 775       if(mod<=3) lnum[2]=mod+1;
 776       if(mod>=6) lnum[2]=mod-1;
 777       if(mod==4) lnum[2]=1;
 778       if(mod==5) lnum[2]=2;
 779       ig->GetGeometry(kndeep,lnam,lnum,t,r,idshape,npar,natt,par,att,
 780                       imat,imed);
 781
 782       switch (typ){
 783       case 2:
 784         fITSgeom->CreatMatrix(mod,lay,lad,det,kSDD,t,r);
 785         if(!(fITSgeom->IsShapeDefined((Int_t)kSDD))){
 786           fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD256(npar,par));
 787         } // end if
 788         break;
 789       case 1:
 790         fITSgeom->CreatMatrix(mod,lay,lad,det,kSSD,t,r);
 791         if(!(fITSgeom->IsShapeDefined((Int_t)kSSD))){
 792           fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
 793                                                       knp+1,p,knp+1,n));
 794         } // end if
 795         break;
 796       } // end switch
 797     } // end for cpy
 798   } // end for typ
 799   return;
 800 }
 801 //______________________________________________________________________
 802 void AliITSvSDD03::Init(){
 803     ////////////////////////////////////////////////////////////////////////
 804     //     Initialise the ITS after it has been created.
 805     // Inputs:
 806     //    none.
 807     // Outputs:
 808     //    none.
 809     // Return:
 810     //    none.
 811     ////////////////////////////////////////////////////////////////////////
 812
 813
 814     Info("Init","**********AliITSvSDD03 %d _Init *************",fMinorVersion);
 815
 816     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
 817     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
 818     if(fITSgeom!=0) delete fITSgeom;
 819     fITSgeom = new AliITSgeom();
 820     if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
 821     if(!fGeomDetIn) this->InitAliITSgeom();
 822     if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
 823     AliITS::Init();
 824     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
 825
 826 }
 827 //______________________________________________________________________
 828 void AliITSvSDD03::SetDefaults(){
 829     // sets the default segmentation, response, digit and raw cluster classes
 830     // Inputs:
 831     //    none.
 832     // Outputs:
 833     //    none.
 834     // Return:
 835     //    none.
 836
 837     const Float_t kconv = 1.0e+04; // convert cm to microns
 838
 839     Info("SetDefaults","Setting up only SDD detector");
 840
 841     AliITSDetType *iDetType;
 842     AliITSgeomSDD *s1;
 843     AliITSgeomSSD *s2;
 844     iDetType=DetType(kSPD);
 845     SetResponseModel(kSPD,new AliITSresponseSPD());
 846     SetSegmentationModel(kSPD,new AliITSsegmentationSPD());
 847     const char *kData0=(iDetType->GetResponseModel())->DataType();
 848     if(strstr(kData0,"real") ) iDetType->ClassNames("AliITSdigit",
 849                                                     "AliITSRawClusterSPD");
 850     else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
 851
 852     // SDD
 853     iDetType=DetType(kSDD);
 854     s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);// Get shape info. Do it this way for now.
 855     AliITSresponseSDD *resp1=new AliITSresponseSDD("simulated");
 856     SetResponseModel(kSDD,resp1);
 857     AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
 858     seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
 859                      s1->GetDz()*2.*kconv, // for now.
 860                      s1->GetDy()*2.*kconv); // x,z,y full width in microns.
 861
 862     seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
 863     SetSegmentationModel(kSDD,seg1);
 864     const char *kData1=(iDetType->GetResponseModel())->DataType();
 865     const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
 866     if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
 867         iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
 868     } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
 869
 870     // SSD  Layer 5
 871     iDetType=DetType(kSSD);
 872     s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now.
 873     AliITSresponse *resp2=new AliITSresponseSSD("simulated");
 874     SetResponseModel(kSSD,resp2);
 875     AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
 876     seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
 877                      s2->GetDz()*2.*kconv, // for now.
 878                      s2->GetDy()*2.*kconv); // x,z,y full width in microns.
 879     seg2->SetPadSize(50.,0.); // strip x pitch in microns
 880     seg2->SetNPads(384,0); // number of strips on each side.
 881     seg2->SetLayer(5);
 882     seg2->SetAngles(0.,0.); // strip angles rad P and N side.
 883     seg2->SetAnglesLay5(0.,0.); // strip angles rad P and N side.
 884     seg2->SetAnglesLay6(0.,0.); // strip angles rad P and N side.
 885
 886     SetSegmentationModel(kSSD,seg2);
 887     const char *kData2=(iDetType->GetResponseModel())->DataType();
 888     if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit",
 889                                                     "AliITSRawClusterSSD");
 890     else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
 891
 892     if(kNTYPES>3){
 893         Warning("SetDefaults",
 894                 "Only the four basic detector types are initialised!");
 895     }// end if
 896     return;
 897 }
 898 //______________________________________________________________________
 899 void AliITSvSDD03::SetDefaultSimulation(){
 900     // sets the default simulation.
 901     // Inputs:
 902     //      none.
 903     // Outputs:
 904     //      none.
 905     // Return:
 906     //      none.
 907
 908     AliITSDetType *iDetType;
 909     AliITSsimulation *sim;
 910     AliITSsegmentation *seg;
 911     AliITSresponse *res;
 912     iDetType = DetType(kSPD);
 913     if(iDetType){
 914         sim = iDetType->GetSimulationModel();
 915         if (!sim) {
 916             seg =(AliITSsegmentation*)iDetType->GetSegmentationModel();
 917             if(seg==0) seg = new AliITSsegmentationSPD();
 918             res = (AliITSresponse*)iDetType->GetResponseModel();
 919             if(res==0) res = new AliITSresponseSPD();
 920             sim = new AliITSsimulationSPDdubna(seg,res,0);
 921             SetSimulationModel(kSPD,sim);
 922         }else{ // simulation exists, make sure it is set up properly.
 923             sim->Init();
 924         } // end if
 925     } // end if iDetType
 926     iDetType = DetType(kSDD);
 927     if(iDetType){
 928         sim = iDetType->GetSimulationModel();
 929         if (!sim) {
 930             seg = (AliITSsegmentation*)iDetType->GetSegmentationModel();
 931             res = (AliITSresponse*)iDetType->GetResponseModel();
 932             sim = new AliITSsimulationSDD(seg,res);
 933             SetSimulationModel(kSDD,sim);
 934         }else{ // simulation exists, make sure it is set up properly.
 935             sim->Init();
 936         } //end if
 937     } // end if iDetType
 938     iDetType = DetType(kSSD);
 939     if(iDetType){
 940         sim = iDetType->GetSimulationModel();
 941         if (!sim) {
 942             seg = (AliITSsegmentation*)iDetType->GetSegmentationModel();
 943             res = (AliITSresponse*)iDetType->GetResponseModel();
 944             sim = new AliITSsimulationSSD(seg,res);
 945             SetSimulationModel(kSSD,sim);
 946         }else{ // simulation exists, make sure it is set up properly.
 947             sim->Init();
 948         } // end if
 949     } // end if iDetType
 950 }
 951 //______________________________________________________________________
 952 void AliITSvSDD03::DrawModule() const{
 953     ////////////////////////////////////////////////////////////////////////
 954     //     Draw a shaded view of the ITS SDD test beam version 1.
 955     // Inputs:
 956     //    none.
 957     // Outputs:
 958     //    none.
 959     // Return:
 960     //    none.
 961     ////////////////////////////////////////////////////////////////////////
 962     // Set everything unseen
 963     gMC->Gsatt("*", "seen", -1);
 964     // Set ALIC mother visible
 965     gMC->Gsatt("ALIC","SEEN",0);
 966     // Set ALIC ITS visible
 967     gMC->Gsatt("ITSV","SEEN",1);
 968     // Set ALIC Telescopes visible
 969     gMC->Gsatt("ITEL","SEEN",1);
 970     gMC->Gsatt("ITEL","colo",2);
 971     // Set ALIC detetcor visible
 972     gMC->Gsatt("IDET","SEEN",1);
 973     gMC->Gsatt("IDET","colo",4);
 974     // Set ALIC Scintillator visible
 975     gMC->Gsatt("ISNT","SEEN",1);
 976     gMC->Gsatt("ISNT","colo",3);
 977     // Set Detector mother visible and drawn
 978 //    gMC->Gsatt("ITS0","SEEN",1);
 979     // Set minibus mother visible and drawn
 980 //    gMC->Gsatt("IMB0","SEEN",1);
 981
 982     // Draw
 983     gMC->Gdraw("alic", 60, 30, 180, 10,10, .12, .12);
 984 }
 985 //______________________________________________________________________
 986 void AliITSvSDD03::StepManager(){
 987     ////////////////////////////////////////////////////////////////////////
 988     //    Called for every step in the ITS SDD test beam, then calles the
 989     // AliITShit class  creator with the information to be recoreded about
 990     //  that hit.
 991     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 992     // printing of information to a file which can be used to create a .det
 993     // file read in by the routine CreateGeometry(). If set to 0 or any other
 994     // value except 1, the default behavior, then no such file is created nor
 995     // it the extra variables and the like used in the printing allocated.
 996     // Inputs:
 997     //    none.
 998     // Outputs:
 999     //    none.
1000     // Return:
1001     //    none.
1002     ////////////////////////////////////////////////////////////////////////
1003     Int_t  copy, id;
1004     static TLorentzVector position0;
1005     static Int_t stat0=0;
1006     if((id=gMC->CurrentVolID(copy) == fIDMother)&&
1007        (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
1008         copy = fTrackReferences->GetEntriesFast();
1009         TClonesArray &lTR = *fTrackReferences;
1010         // Fill TrackReference structure with this new TrackReference.
1011         new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->
1012                                          GetCurrentTrackNumber());
1013     } // if Outer ITS mother Volume
1014     //if(!(this->IsActive())) return;
1015     if(!(gMC->TrackCharge())) return;
1016     Int_t   vol[5],copy3;
1017     TLorentzVector position, momentum;
1018     TClonesArray &lhits = *fHits;
1019     //
1020     // Fill hit structure.
1021     gMC->TrackPosition(position);
1022     gMC->TrackMomentum(momentum);
1023     id   = gMC->CurrentVolID(copy);
1024     if(id==fIdSens[0] || id==fIdSens[1]){ // Volumes "ITST" or "IMBS"
1025         copy = gMC->CurrentVolOffID(3,copy3);
1026         copy = DecodeDetector(id,copy3,vol[0],vol[1],vol[2]);
1027         //    cout << "0: mod,lay,lad,det="<<copy<<","<<vol[0]<<","<<vol[1]
1028         //     <<","<<vol[2]<<" name="<<gMC->CurrentVolName()
1029         //     <<","<<fIdSens[0]<<","<<fIdSens[1]<<","<<id<<" z="
1030         //     <<position.Z()<<endl;
1031     }else if(id==fIdSens[2]){ // "ISNT" Sintilator
1032         //cout << "1: id,copy="<<id<<","<<copy
1033         //     <<" name="<<gMC->CurrentVolName()<<" z="
1034         //     <<position.Z()<<endl;
1035         return; // Do nothing for now.
1036     }else{
1037         //cout << "2: id,copy="<<id<<","<<copy
1038         //     <<" name="<<gMC->CurrentVolName()<<" z="
1039         //     <<position.Z()<<endl;
1040         return;
1041     } // end if
1042     //
1043     // Track status
1044     vol[3] = 0;
1045     vol[4] = 0;
1046     if(gMC->IsTrackInside())      vol[3] +=  1;
1047     if(gMC->IsTrackEntering())    vol[3] +=  2;
1048     if(gMC->IsTrackExiting())     vol[3] +=  4;
1049     if(gMC->IsTrackOut())         vol[3] +=  8;
1050     if(gMC->IsTrackDisappeared()) vol[3] += 16;
1051     if(gMC->IsTrackStop())        vol[3] += 32;
1052     if(gMC->IsTrackAlive())       vol[3] += 64;
1053     //
1054     vol[4] = stat0;
1055     if(gMC->IsTrackEntering()){
1056         position0 = position;
1057         stat0 = vol[3];
1058         return;
1059     }else{
1060         new(lhits[fNhits++]) AliITShit(fIshunt,
1061                                    gAlice->GetMCApp()->GetCurrentTrackNumber(),
1062                                        vol,gMC->Edep(),gMC->TrackTime(),
1063                                        position,position0,momentum);
1064     }// end if gMC->IsTrackEntering()
1065     position0 = position;
1066     stat0 = vol[3];
1067
1068     return;
1069 }
1070