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
  25 #include <TGeometry.h>
  26 #include <TGeoManager.h>
  27 #include <TNode.h>
  28 #include <TBRIK.h>
  29 #include <TLorentzVector.h>
  30 #include <TVirtualMC.h>
  31 #include <TGeoMatrix.h>
  32
  33 #include "AliMC.h"
  34 #include "AliRun.h"
  35 #include "AliMagF.h"
  36 #include "AliTrackReference.h"
  37 #include "AliITShit.h"
  38 #include "AliITSgeom.h"
  39 #include "AliITSgeomSDD.h"
  40 #include "AliITSgeomSSD.h"
  41 #include "AliITSDetTypeSim.h"
  42 #include "AliITSCalibrationSPD.h"
  43 #include "AliITSCalibrationSDD.h"
  44 #include "AliITSCalibrationSSD.h"
  45 #include "AliITSsegmentationSPD.h"
  46 #include "AliITSsegmentationSDD.h"
  47 #include "AliITSsegmentationSSD.h"
  48 #include "AliITSsimulationSPD.h"
  49 #include "AliITSsimulationSDD.h"
  50 #include "AliITSsimulationSSD.h"
  51
  52 #include "AliITSvSDD03.h"
  53
  54 ClassImp(AliITSvSDD03)
  55
  56 //______________________________________________________________________
  57 AliITSvSDD03::AliITSvSDD03() :
  58 AliITS(),
  59 fGeomDetOut(kFALSE),
  60 fGeomDetIn(kFALSE),
  61 fMajorVersion(IsVersion()),
  62 fMinorVersion(2),
  63 fEuclidGeomDet(),
  64 fRead(),
  65 fWrite(),
  66 fIDMother(0),
  67 fYear(2003),
  68 fTarg(kNoTarg),
  69 fTargThick(0.0),
  70 fIgm(kvSDD03){
  71     ////////////////////////////////////////////////////////////////////////
  72     // Standard default constructor for the ITS SDD test beam 2002 version 1.
  73     // Inputs:
  74     //    none.
  75     // Outputs:
  76     //    none.
  77     // Return:
  78     //    A default created class.
  79     ////////////////////////////////////////////////////////////////////////
  80     Int_t i;
  81
  82     fIdN          = 0;
  83     fIdName       = 0;
  84     fIdSens       = 0;
  85     fEuclidOut    = kFALSE; // Don't write Euclide file
  86     for(i=0;i<60;i++) fRead[i] = '\0';
  87     for(i=0;i<60;i++) fWrite[i] = '\0';
  88     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  89 }
  90 //______________________________________________________________________
  91 AliITSvSDD03::AliITSvSDD03(const char *title,Int_t year):
  92 AliITS("ITS", title),
  93 fGeomDetOut(kFALSE),
  94 fGeomDetIn(kFALSE),
  95 fMajorVersion(IsVersion()),
  96 fMinorVersion(2),
  97 fEuclidGeomDet(),
  98 fRead(),
  99 fWrite(),
 100 fIDMother(0),
 101 fYear(year),
 102 fTarg(kNoTarg),
 103 fTargThick(0.0),
 104 fIgm(kvSDD03){
 105     ////////////////////////////////////////////////////////////////////////
 106     //    Standard constructor for the ITS SDD testbeam 2002 version 1.
 107     // Inputs:
 108     //    const char *title    title for this ITS geometry.
 109     // Outputs:
 110     //    none.
 111     // Return:
 112     //    A standard created class.
 113     ////////////////////////////////////////////////////////////////////////
 114     Int_t i;
 115
 116     fIdN = 3;
 117     fIdName = new TString[fIdN];
 118     fIdName[0] = "IMBS";
 119     fIdName[1] = "ITST";
 120     fIdName[2] = "ISNT";
 121     fIdSens    = new Int_t[fIdN];
 122     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 123     fEuclidOut    = kFALSE; // Don't write Euclide file
 124
 125     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSDD032.euc";
 126     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSDD032.det",60);
 127     strncpy(fRead,fEuclidGeomDet,60);
 128     strncpy(fWrite,fEuclidGeomDet,60);
 129 }
 130 //______________________________________________________________________
 131 AliITSvSDD03::~AliITSvSDD03() {
 132     ////////////////////////////////////////////////////////////////////////
 133     //    Standard destructor for the ITS SDD test beam 2002 version 1.
 134     // Inputs:
 135     //    none.
 136     // Outputs:
 137     //    none.
 138     // Return:
 139     //    none.
 140     ////////////////////////////////////////////////////////////////////////
 141 }
 142 //______________________________________________________________________
 143 void AliITSvSDD03::BuildGeometry(){
 144     ////////////////////////////////////////////////////////////////////////
 145     //    Geometry builder for the ITS SDD test beam 2002 version 1.
 146     //    ALIC    ALICE Mother Volume
 147     //     |- ITSV     ITS Mother Volume
 148     //         |- IDET       Detector under Test
 149     //         |   |- ITS0       SDD Si Chip
 150     //         |   |  |- ITST      SDD Sensitivve Volume
 151     //         |   |- IPC0 *5    Readout chip
 152     //         |- ITEL *4    SDD Telescope
 153     //             |- IMB0       SDD Si Chip
 154     //             |   |- IMBS     SDD Sensitive volume
 155     //             |- ICMB       Chip MiniBus.
 156     // Inputs:
 157     //    none.
 158     // Outputs:
 159     //    none.
 160     // Return:
 161     //    none.
 162     ////////////////////////////////////////////////////////////////////////
 163     // Get the top alice volume.
 164     TNode *nALIC = gAlice->GetGeometry()->GetNode("alice");
 165     nALIC->cd();
 166
 167     // Define ITS Mother Volume
 168     Float_t data[3];
 169     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 170     //Float_t yposition= 0.0;
 171     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
 172                                     90.0,0,0.0,0,90.0,270.0);
 173     data[0] = 10.0;
 174     data[1] = 10.0;
 175     data[2] = 100.0;
 176     TBRIK *sITSVshape =new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
 177                                  data[0],data[1],data[2]);
 178     TNode *sITSV = new TNode("ITSV","ITS Mother Volume",sITSVshape,
 179                             0.0,0.0,0.0,0,0);
 180     sITSV->cd(); // set ourselve into ITSV subvolume of ALIC
 181
 182     // SSD part of telescope (MiniBuS)
 183     data[0] = 1.06;
 184     data[1] = 0.5*ddettelescope;
 185     data[2] = 1.1;
 186     TBRIK *sIMB0shape = new TBRIK("IMB0shape","SDD wafer","Si",
 187                                  data[0],data[1],data[2]);
 188     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 189     data[0] = detMiniBusX = 0.5*384*50.0E-4;
 190     data[1] = detMiniBusY = 0.5*ddettelescope;
 191     data[2] = detMiniBusZ = 1.0;
 192     TBRIK *sIMBSshape = new TBRIK("IMBSshape","SDD Sensitive volume","Si",
 193                                  data[0],data[1],data[2]);
 194
 195     data[0] = 1.36;
 196     data[1] = 0.47;
 197     data[2] = 1.36;
 198     TBRIK *sITELshape = new TBRIK("ITELshape","ITELshape","Air",
 199                                  data[0],data[1],data[2]);
 200
 201
 202     // SDD under test
 203     Float_t spdX,spdY,spdZ;
 204     data[0] = 3.62500;
 205     data[1] = 0.5*ddettest;
 206     data[2] = 4.37940;
 207     TBRIK *sITS0shape = new TBRIK("ITS0shape","SDD wafer","Si",
 208                                  data[0],data[1],data[2]); // contains detector
 209     data[0] = spdX = 3.50860;
 210     data[1] = spdY = 0.5*ddettest;
 211     data[2] = spdZ = 3.76320;
 212     TBRIK *sITSTshape = new TBRIK("ITSTshape","SDD sensitive volume","Si",
 213                                  data[0],data[1],data[2]);
 214
 215     data[0] = 4.2;
 216     data[1] = 0.52;
 217     data[2] = 5.2;
 218     TBRIK *sIDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
 219                                  data[0],data[1],data[2]);
 220
 221
 222     // Place volumes in geometry
 223     char name[20],title[50];
 224
 225     //place SDD under test
 226     Double_t px=0.0,py=0.0;
 227     Double_t pz[2]={0.0,5.2};
 228     TNode *nIDET[2],*nITS0[2],*nITST[2];
 229     for(Int_t i=0;i<2;i++){
 230         sITSV->cd();
 231         sprintf(name,"IDET%d",i);
 232         sprintf(title,"SDD #%d under test",i+1);
 233         nIDET[i] = new TNode(name,title,sIDETshape,px,py,pz[i],r0,0);
 234         nIDET[i]->cd();
 235         nITS0[i] = new TNode("ITS0","SDD wafer",sITS0shape,0.0,0.0,0.0,0,0);
 236         nITS0[i]->cd();
 237         nITST[i] = new TNode("ITST","SDD sensitive volume",sITSTshape,
 238                             0.0,0.0,0.0,0,0);
 239         nITST[i]->SetLineColor(kYellow);
 240         fNodes->Add(nITST[i]);
 241     } // end for i
 242
 243     //place SSD telescope planes
 244     Double_t qx=0.0,qy=0.0;
 245     Double_t qz[10]={-58.4,-57.4,-50.4,-49.4,60.1,61.1,68.4,69.4,87.7,88.7};
 246     TNode *nITEL[10],*nIMB0[10],*nIMBS[10];
 247     for(Int_t i=0;i<10;i++){
 248         sITSV->cd();
 249         sprintf(name,"ITEL%d",i);
 250         sprintf(title,"Test beam telescope element #%d",i+1);
 251         nITEL[i] = new TNode(name,title,sITELshape,qx,qy,qz[i],r0,0);
 252         nITEL[i]->cd();
 253         nIMB0[i] = new TNode("IMB0","Chip MiniBus",sIMB0shape,
 254                             0.0, 0.0,0.0,0,0);
 255         nIMB0[i]->cd();
 256         nIMBS[i] = new TNode("IMBS","IMBS",sIMBSshape,0.0,0.0,0.0,0,0);
 257         nIMBS[i]->SetLineColor(kGreen);
 258         fNodes->Add(nIMBS[i]);
 259     } // end for i
 260     nALIC->cd();
 261     sITSV->Draw();
 262 }
 263 /*
 264 //______________________________________________________________________
 265 Int_t AliITSvSDD03::DecodeDetector(Int_t id,Int_t cpy,Int_t &lay,
 266                                    Int_t &det,Int_t &lad) const{
 267     // Given the Geant id and copy volume number, returns the layer, ladder,
 268     // and detector number, allong with the module number of the detector
 269     // involved. Returns -1 and lay=0, lad=0, and det=0 if not a sensitive
 270     // volume.
 271     // Inputs:
 272     //    Int_t id    Geometry volume id number
 273     //    Int_t cpy   Geometry copy number
 274     // Outputs:
 275     //    Int_t lay   ITS layer number
 276     //    Int_t lad   ITS ladder number
 277     //    Int_t det   ITS detector number
 278     // Return:
 279     //    Int_t module number.
 280     Int_t mod;
 281
 282     lay = 0; lad = 0; det = 0; mod = -1;
 283     if(id==fIdSens[0]){ // Volume name is IMBS (ITEL)
 284         lad = 1; det = 1;
 285         lay = cpy;
 286         if(cpy>4) lay+=2;
 287         mod = lay-1;
 288         return mod;
 289     }// end if
 290     if(id==fIdSens[1]){ // Volume name is ITST (IDet)
 291         lad = 1; det = 1;lay = cpy+4;
 292         mod = lay-1;
 293         return mod;
 294     }// end if
 295     return mod;
 296 }
 297 */
 298 //______________________________________________________________________
 299 void AliITSvSDD03::CreateGeometry(){
 300     ////////////////////////////////////////////////////////////////////////
 301     //  This routine defines and Creates the geometry for version 1 of the ITS.
 302     //    ALIC    ALICE Mother Volume
 303     //     |- ITSV     ITS Mother Volume
 304     //         |- IDET *2    Detector under Test (boxcontaining SDD)
 305     //         |   |-IDAI        Air inside box
 306     //         |       |- ITS0       SDD Si Chip
 307     //         |          |- ITST      SDD Sensitivve Volume
 308     //         |- ITEL *10   SSD Telescope (plastic box containting SSD's)
 309     //         |   |- ITAI       Air inside box
 310     //         |       |- IMB0       SDD Si Chip
 311     //         |           |- IMBS     SDD Sensitive volume
 312     //         |-ISNT*4    Sintilator triggers
 313     //
 314     //      ITEL ITEL ITEL ITEL IDET IDET ITEL ITEL ITEL ITEL ITEL ITEL
 315     // Z->  -584 -574 -504 -494  000 +052 +601 +610 +684 +694 +877 +887
 316     //        |    |    |    |    |    |    |    |    |    |    |    |
 317     // cpn1   1    2    3    4    1    2    5    6    7    8    9   10
 318     //
 319     // Inputs:
 320     //    none.
 321     // Outputs:
 322     //    none.
 323     // Return:
 324     //    none.
 325     ////////////////////////////////////////////////////////////////////////
 326     Float_t data[49];
 327     // Define media off-set
 328     Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
 329     Int_t idrotm[4]; // Array of rotation matrix indexes
 330     //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 331     //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 332     //Float_t yposition= 0.0;
 333     const Float_t kmm=0.1,kcm=1.0,kmicm=kmm/1000.;
 334     // These constant character strings are set by cvs during commit
 335     // do not change them unless you know what you are doing!
 336     const Char_t *cvsDate="$Date$";
 337     const Char_t *cvsRevision="$Revision$";
 338     // Define Rotation-reflextion Matrixes needed
 339     // 0 is the unit matrix
 340     AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X
 341     AliMatrix(idrotm[1], 90.0,90.0, 0.0,180.0, 90.0,270.0); // SSD Y
 342     AliMatrix(idrotm[2],90.0,90.0,90.0,180.0,0.0,0.0);  //Rotate about Z 90 degree
 343     /*
 344     data[0] = 150.0*kmm;
 345     data[1] = 150.0*kmm;
 346     data[2] = 1100.0*kmm;
 347     gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
 348     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
 349     */
 350     TGeoVolumeAssembly *itsV = gGeoManager->MakeVolumeAssembly("ITSV");
 351     const Int_t kLength=100;
 352     Char_t vstrng[kLength];
 353     if(fIgm.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
 354                                fMinorVersion,cvsDate,cvsRevision))
 355         itsV->SetTitle(vstrng);
 356     else Error("CreateGeometry","Error writing/setting version string");
 357     //printf("Title set to %s\n",vstrng);
 358     TGeoVolume *alic = gGeoManager->GetVolume("ALIC");
 359     if(alic==0) {
 360         Error("CreateGeometry","alic=0");
 361         return;
 362     } // end if
 363     alic->AddNode(itsV,1,0);
 364
 365     // Crossed sintilator triggers (2 in front 2 in back)
 366     data[0] = 10.0*kcm;
 367     data[1] = 2.0*kcm;
 368     data[2] = 2.0*kmm;
 369     gMC->Gsvolu("ISNT","BOX ",idtmed[2],data,3);
 370     gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,-950.0*kmm,0,"ONLY");
 371     gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,-950.0*kmm-data[2],idrotm[2],"ONLY");
 372     gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,950.0*kmm+data[2],0,"ONLY");
 373     gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,950.0*kmm,idrotm[2],"ONLY");
 374
 375
 376 ////Create Volumes
 377
 378     // SSD part of telescope (MiniBuS)
 379     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 380     data[0] = detMiniBusX = 10600.0*kmicm;
 381     data[1] = detMiniBusY = 0.150*kmm;
 382     data[2] = detMiniBusZ = 1.1*kcm;
 383     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
 384     data[0] = 0.5*384*50*kmicm;
 385     data[1] = 0.1499*kmm;
 386     data[2] = 1.0*kcm;
 387     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detector volume
 388     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
 389     // Box containing SSD's
 390     data[0] = 11600.0*kmicm;
 391     data[1] = 0.450*kcm;
 392     data[2] = 1.16*kcm;
 393     gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
 394     // Plastic box size = insize + thickness.
 395     data[0] = data[0] + 2.0*kmm;
 396     data[1] = data[1] + 200.0*kmicm;
 397     data[2] = data[2] + 2.0*kmm;
 398     gMC->Gsvolu("ITEL","BOX ",idtmed[3],data,3);
 399     gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
 400     gMC->Gspos("IMB0",1,"ITAI",0.0,0.0,0.0,0,"ONLY");
 401
 402     // SDD under test
 403     Float_t sddX,sddY,sddZ;
 404     data[0] = sddX = 3.62500*kcm;
 405     data[1] = sddY = 0.1500*kmm;
 406     data[2] = sddZ = 4.37940*kcm;
 407     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
 408     data[0] = 3.50860*kcm;
 409     data[1] = 0.1499*kmm;
 410     data[2] = 3.76320*kcm;
 411     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
 412     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
 413     // Box containing SDD under test
 414     data[0] = 4.0*kcm;
 415     data[1] = 0.5*kcm;
 416     data[2] = 5.0*kcm;
 417     gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
 418     data[0] = data[0] + 2.0*kmm;
 419     data[1] = data[1] + 200.0*kmicm;
 420     data[2] = data[2] + 2.0*kmm;
 421     gMC->Gsvolu("IDET","BOX ",idtmed[3],data,3);
 422     gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
 423     gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
 424
 425
 426 //// Position detectors, Beam Axis Z, X to the right, Y up to the sky.
 427     // Upsteram planes of the telescope
 428     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
 429     p00X = 0.0*kcm;
 430     p00Y = 0.0*kcm;
 431     p00Z = -584*kmm;
 432     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
 433     p01X = 0.0*kcm;
 434     p01Y = 0.0*kcm;
 435     p01Z = -574*kmm;
 436     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 437     p01X = 0.0*kcm;
 438     p01Y = 0.0*kcm;
 439     p01Z = -504*kmm;
 440     gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
 441     p01X = 0.0*kcm;
 442     p01Y = 0.0*kcm;
 443     p01Z = -494*kmm;
 444     gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 445
 446     // Downstream planes of the telescope
 447     p10X = 0.0*kcm;
 448     p10Y = 0.0*kcm;
 449     p10Z = +601.0*kmm;
 450     gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
 451     p11X = 0.0*kcm;
 452     p11Y = 0.0*kcm;
 453     p11Z = +610.0*kmm; //611.0
 454     gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 455     p11X = 0.0*kcm;
 456     p11Y = 0.0*kcm;
 457     p11Z = +684.0*kmm;
 458     gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 459     p11X = 0.0*kcm;
 460     p11Y = 0.0*kcm;
 461     p11Z = +694.0*kmm;
 462     gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 463     p11X = 0.0*kcm;
 464     p11Y = 0.0*kcm;
 465     p11Z = +877.0*kmm;
 466     gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 467     p11X = 0.0*kcm;
 468     p11Y = 0.0*kcm;
 469     p11Z = +887.0*kmm;
 470     gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 471
 472     // SDDs
 473     Float_t pdet1X,pdet1Y,pdet1Z;
 474     Float_t pdet2X,pdet2Y,pdet2Z;
 475     pdet1X = 0.0*kcm;
 476     pdet1Y = 0.0*kcm;
 477     pdet1Z = 0.0*kcm;
 478     gMC->Gspos("IDET",1,"ITSV",pdet1X,pdet1Y,pdet1Z,idrotm[0],"ONLY");// Detector1
 479     pdet2X = 0.0*kcm;
 480     pdet2Y = 0.0*kcm;
 481     pdet2Z = 52*kmm; //52
 482     gMC->Gspos("IDET",2,"ITSV",pdet2X,pdet2Y,pdet2Z,idrotm[0],"ONLY");// Detector2
 483
 484 // Target definition and placement
 485     if(fTarg){
 486       data[0] = 30*kmm;
 487       data[1] = fTargThick*kmm;  // Target thickness
 488       data[2] = 30*kmm;
 489       gMC->Gsvolu("ITGT","BOX ",idtmed[fTarg],data,3);
 490
 491       Float_t a,z,dens,radl,absl;
 492       Float_t* ubuf=0; Int_t nbuf;
 493       char* ssss="";
 494       gMC->Gfmate(idtmed[fTarg],ssss,a,z,dens,radl,absl,ubuf,nbuf);
 495
 496       Info("CreateGeometry","Target A=%f,  Z=%f,  dens=%f",a,z,dens);
 497       Info("Creategeometry","Target thickness=%f mm",fTargThick);
 498
 499       Float_t ptgtX,ptgtY,ptgtZ;
 500       ptgtX = 0.0*kcm;
 501       ptgtY = 0.0*kcm;
 502       ptgtZ = -50*kmm;
 503       gMC->Gspos("ITGT",1,"ITSV",ptgtX,ptgtY,ptgtZ,idrotm[0],"ONLY");// Target
 504     }else{
 505       Info("CreateGeometry","No target defined");
 506     }
 507 }
 508 //______________________________________________________________________
 509 void AliITSvSDD03::CreateMaterials(){
 510     ////////////////////////////////////////////////////////////////////////
 511     //
 512     // Create ITS SDD test beam materials
 513     //     This function defines the default materials used in the Geant
 514     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 515     // AliITSvSDD03.
 516     // In general it is automatically replaced by
 517     // the CreateMaterials routine defined in AliITSv?. Should the function
 518     // CreateMaterials not exist for the geometry version you are using this
 519     // one is used. See the definition found in AliITSv5 or the other routine
 520     // for a complete definition.
 521     //
 522     // Inputs:
 523     //    none.
 524     // Outputs:
 525     //    none.
 526     // Return:
 527     //    none.
 528     /////////////////////////////////////////////////////////////////////////
 529     Float_t tmaxfdSi = 0.1; // Degree
 530     Float_t stemaxSi = 0.0075; // cm //0.0075
 531     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
 532     Float_t epsilSi  = 1.0E-4;//
 533     Float_t stminSi  = 0.0; // cm "Default value used"
 534
 535     Float_t tmaxfdAir = 0.1; // Degree
 536     Float_t stemaxAir = .10000E+01; // 1 cm  //cm
 537     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
 538     Float_t epsilAir  = 1.0E-4;//
 539     Float_t stminAir  = 0.0; // cm "Default value used"
 540     Int_t   ifield = gAlice->Field()->Integ();
 541     Float_t fieldm = gAlice->Field()->Max();
 542     //
 543
 544     // AIR
 545     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 546     Float_t zAir[4]={6.,7.,8.,18.};
 547     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 548     Float_t dAir = 1.20479E-3;
 549     // Lucite/Plexiglass
 550     Float_t aLuc[3] = {1.,12.,16.};
 551     Float_t zLuc[3] = {1.,6.,8.};
 552     Float_t wLuc[3] = {8.,5.,2.};
 553     Float_t dLuc = 1.19;
 554     // stainless steel
 555     Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
 556     Float_t zsteel[4] = { 26.,24.,28.,14. };
 557     Float_t wsteel[4] = { .715,.18,.1,.005 };
 558     Float_t dsteel = 7.88;
 559
 560     AliMixture(1, "AIR$",aAir,zAir,dAir,4,wAir);
 561     AliMaterial(2,"SI$",28.086,14.0,2.3300,9.3600,999.00);
 562     AliMixture(3,"Sintilator$",aLuc,zLuc,dLuc,-3,wLuc);
 563     AliMixture(4,"PlasticBox$",aLuc,zLuc,dLuc,-3,wLuc);
 564     AliMaterial(5, "IRON$", 55.85, 26., 7.87, 1.76, 999.00);
 565     AliMaterial(6, "LEAD$", 207.19, 82., 11.35, .56, 999.00);
 566     AliMixture(7, "STAINLESS STEEL$", asteel, zsteel,dsteel, 4, wsteel);
 567     AliMaterial(9, "C$", 12.011, 6., 2.265, 18.8, 999.00);
 568     AliMaterial(10, "Al$", 26.98, 13., 2.70, 8.9, 999.00);
 569     AliMaterial(11, "Be$", 9.012, 4., 1.848, 35.3, 999.00);
 570     AliMaterial(12, "Ti$", 47.88, 22., 4.54, 3.56, 999.00);
 571     AliMaterial(13, "Sn$", 118.69, 50., 7.31, 1.21, 999.00);
 572     AliMaterial(14, "Cu$", 63.55, 29., 8.96, 1.43, 999.00);
 573     AliMaterial(15, "Ge$", 72.59, 32., 5.323, 2.30, 999.00);
 574     AliMaterial(20, "W$", 183.85, 74., 19.3, 0.35, 999.00);
 575
 576     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
 577               epsilAir,stminAir);
 578     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 579               epsilSi,stminSi);
 580     AliMedium(3,"Scintillator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 581               epsilSi,stminSi);
 582     AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 583               epsilSi,stminSi);
 584     AliMedium(5,"IRON$",5,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 585               epsilSi,stminSi);
 586     AliMedium(6,"LEAD$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 587               epsilSi,stminSi);
 588     AliMedium(7,"StainlessSteel$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 589               epsilSi,stminSi);
 590
 591     AliMedium(9,"C$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 592     AliMedium(10,"Al$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 593     AliMedium(11,"Be$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 594     AliMedium(12,"Ti$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 595     AliMedium(13,"Sn$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 596     AliMedium(14,"Cu$",14,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 597     AliMedium(15,"Ge$",15,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 598     AliMedium(20,"W$",20,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 599     //dummy materials to avoid warning during simulation (galice.cuts)
 600
 601    AliMedium(21,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 602               epsilSi,stminSi);
 603    AliMedium(25,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 604               epsilSi,stminSi);
 605    AliMedium(26,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 606               epsilSi,stminSi);
 607    AliMedium(27,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 608               epsilSi,stminSi);
 609    AliMedium(51,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 610               epsilSi,stminSi);
 611    AliMedium(52,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 612               epsilSi,stminSi);
 613    AliMedium(53,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 614               epsilSi,stminSi);
 615    AliMedium(54,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 616               epsilSi,stminSi);
 617    AliMedium(55,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 618               epsilSi,stminSi);
 619    AliMedium(56,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 620               epsilSi,stminSi);
 621    AliMedium(61,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 622               epsilSi,stminSi);
 623    AliMedium(62,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 624               epsilSi,stminSi);
 625    AliMedium(63,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 626               epsilSi,stminSi);
 627    AliMedium(64,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 628               epsilSi,stminSi);
 629    AliMedium(65,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 630               epsilSi,stminSi);
 631    AliMedium(68,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 632               epsilSi,stminSi);
 633    AliMedium(69,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 634               epsilSi,stminSi);
 635    AliMedium(70,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 636               epsilSi,stminSi);
 637    AliMedium(71,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 638               epsilSi,stminSi);
 639    AliMedium(72,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 640               epsilSi,stminSi);
 641    AliMedium(73,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 642               epsilSi,stminSi);
 643    AliMedium(74,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 644               epsilSi,stminSi);
 645    AliMedium(75,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 646               epsilSi,stminSi);
 647    AliMedium(76,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 648               epsilSi,stminSi);
 649    AliMedium(77,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 650               epsilSi,stminSi);
 651    AliMedium(78,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 652               epsilSi,stminSi);
 653    AliMedium(79,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 654               epsilSi,stminSi);
 655    AliMedium(80,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 656               epsilSi,stminSi);
 657    AliMedium(81,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 658               epsilSi,stminSi);
 659    AliMedium(82,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 660               epsilSi,stminSi);
 661    AliMedium(83,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 662               epsilSi,stminSi);
 663    AliMedium(84,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 664               epsilSi,stminSi);
 665    AliMedium(85,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 666               epsilSi,stminSi);
 667    AliMedium(90,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 668               epsilSi,stminSi);
 669    AliMedium(91,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 670               epsilSi,stminSi);
 671    AliMedium(92,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 672               epsilSi,stminSi);
 673    AliMedium(93,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 674               epsilSi,stminSi);
 675    AliMedium(94,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 676               epsilSi,stminSi);
 677    AliMedium(95,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 678               epsilSi,stminSi);
 679    AliMedium(96,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 680               epsilSi,stminSi);
 681
 682 }/*
 683 //______________________________________________________________________
 684 void AliITSvSDD03::InitAliITSgeom(){
 685     //     Based on the geometry tree defined in Geant 3.21, this
 686     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
 687     // sturture.
 688     // Inputs:
 689     //    none.
 690     // Outputs:
 691     //    none.
 692     // Return:
 693     //    none.
 694     const Int_t knlayers=12;
 695     //   const Int_t kndeep=6;
 696     const Int_t kltypess=2;
 697     const AliITSDetector kidet[knlayers]={kSSD,kSDD};
 698     const TString knames[kltypess]={
 699         "/ALIC_1/ITSV_1/ITEL_%d/ITAI_1/IMB0_1/IMBS_1",
 700         "/ALIC_1/ITSV_1/IDET_%d/IDAI_1/ITS0_1/ITST_1"};
 701     const Int_t kitsGeomTreeCopys[kltypess]={10,2};
 702     const Int_t knp=384;
 703     const Float_t kpitch=50.E-4;//cm
 704     Float_t box[3]={0.5*kpitch*(Float_t)knp,150.E-4,1.0},p[knp+1],n[knp+1];
 705     Int_t nlad[knlayers]={knlayers*1};
 706     Int_t ndet[knlayers]={knlayers*1};
 707     Int_t mod=knlayers,lay=0,lad=0,det=0,i,j,cp0;
 708     TString path,shapeName;
 709     TGeoHMatrix matrix;
 710     Double_t trans[3]={3*0.0},rot[10]={10*0.0};
 711     TArrayD shapePar;
 712     TArrayF shapeParF;
 713     Bool_t isShapeDefined[kltypess]={kltypess*kFALSE};
 714     AliITSgeom *geom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
 715     if(GetITSgeom()!=0) SetITSgeom(0x0);// delet existing if there.
 716     SetITSgeom(geom);
 717
 718     p[0]=-box[0];
 719     n[0]=box[0];
 720     // Fill in anode and cathode strip locations (lower edge)
 721     for(i=1;i<knp;i++){
 722         p[i] =p[i-1]+kpitch;
 723         n[i] =n[i-1]-kpitch;
 724     } // end for i
 725     p[knp]=box[0];
 726     n[knp]=-box[0];
 727     for(i=0;i<kltypess;i++)for(cp0=1;cp0<=kitsGeomTreeCopys[i];cp0++){
 728         mod = DecodeDetector(fIdSens[i],cp0,lay,lad,det);
 729         path.Form(knames[i].Data(),cp0);
 730         gMC->GetTransformation(path.Data(),matrix);
 731         gMC->GetShape(path.Data(),shapeName,shapePar);
 732         shapeParF.Set(shapePar.GetSize());
 733         for(j=0;j<shapePar.GetSize();j++)shapeParF[j]=shapePar[j];
 734         geom->CreateMatrix(mod,lay,lad,det,kidet[i],trans,rot);
 735         geom->SetTrans(mod,matrix.GetTranslation());
 736         geom->SetRotMatrix(mod,matrix.GetRotationMatrix());
 737         geom->GetGeomMatrix(mod)->SetPath(path.Data());
 738         switch (kidet[i]){
 739         case kSDD: if(!(GetITSgeom()->IsShapeDefined((Int_t)kSDD))){
 740             geom->ReSetShape(kSDD,new AliITSgeomSDD256(shapeParF.GetSize(),
 741                                                        shapeParF.GetArray()));
 742             isShapeDefined[i]=kTRUE;
 743         } break;
 744         case kSSD:if(!(GetITSgeom()->IsShapeDefined((Int_t)kSSD))){
 745             geom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
 746                                                     knp+1,p,knp+1,n));
 747             isShapeDefined[i]=kTRUE;
 748         } break;
 749         default:{} break;
 750         } // end switch
 751     } // end for i,cp0
 752     return;
 753 }*/
 754 //______________________________________________________________________
 755 void AliITSvSDD03::Init(){
 756     ////////////////////////////////////////////////////////////////////////
 757     //     Initialise the ITS after it has been created.
 758     // Inputs:
 759     //    none.
 760     // Outputs:
 761     //    none.
 762     // Return:
 763     //    none.
 764     ////////////////////////////////////////////////////////////////////////
 765
 766
 767     Info("Init","**********AliITSvSDD03 %d _Init *************",fMinorVersion);
 768
 769     AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
 770                  fMinorVersion));
 771     //
 772     UpdateInternalGeometry();
 773     AliITS::Init();
 774     if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
 775
 776     //
 777     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
 778
 779 }/*
 780 //______________________________________________________________________
 781 void AliITSvSDD03::SetDefaults(){
 782     // sets the default segmentation, response, digit and raw cluster classes
 783     // Inputs:
 784     //    none.
 785     // Outputs:
 786     //    none.
 787     // Return:
 788     //    none.
 789
 790   //    const Float_t kconv = 1.0e+04; // convert cm to microns
 791
 792     if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 793     fDetTypeSim->SetITSgeom(GetITSgeom());
 794     fDetTypeSim->ResetCalibrationArray();
 795     fDetTypeSim->ResetSegmentation();
 796
 797     AliITSgeomSDD *s1;
 798     AliITSgeomSSD *s2;
 799     SetCalibrationModel(GetITSgeom()->GetStartSPD(),new AliITSCalibrationSPD());
 800     SetSegmentationModel(kSPD,(AliITSsegmentationSPD*)
 801                          (GetITSgeom()->GetShape(kSPD)));
 802     fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
 803
 804     // SDD
 805     s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info. Do it this way for now.
 806     AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
 807     SetCalibrationModel(GetITSgeom()->GetStartSDD(),resp1);
 808
 809     AliITSsegmentationSDD *seg1 = (AliITSsegmentationSDD*)
 810                          (GetITSgeom()->GetShape(kSDD));
 811     seg1->SetDriftSpeed(AliITSresponseSDD::DefaultDriftSpeed());
 812     seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
 813     SetSegmentationModel(kSDD,seg1);
 814     const char *kData1=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()))->DataType();
 815     const char *kopt=resp1->GetZeroSuppOption();
 816     if((!strstr(kopt,"ZS"))  || strstr(kData1,"real") ){
 817         fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigit");
 818     } else fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigitSDD");
 819
 820     // SSD  Layer 5
 821
 822     s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
 823
 824     AliITSCalibration *resp2= new AliITSCalibrationSSD("simulated");
 825     SetCalibrationModel(GetITSgeom()->GetStartSSD(),resp2);
 826
 827     AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)
 828                          (GetITSgeom()->GetShape(kSSD));
 829     seg2->SetPadSize(50.,0.); // strip x pitch in microns
 830     seg2->SetNPads(384,0); // number of strips on each side.
 831     seg2->SetLayer(5);
 832     seg2->SetAngles(0.,0.); // strip angles rad P and N side.
 833     seg2->SetAnglesLay5(0.,0.); // strip angles rad P and N side.
 834     seg2->SetAnglesLay6(0.,0.); // strip angles rad P and N side.
 835
 836     SetSegmentationModel(kSSD,seg2);
 837     const char *kData2=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()))->DataType();
 838     if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
 839     else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
 840
 841     if(fgkNTYPES>3){
 842         Warning("SetDefaults",
 843                 "Only the four basic detector types are initialised!");
 844     }// end if
 845     return;
 846 }
 847 //______________________________________________________________________
 848 void AliITSvSDD03::SetDefaultSimulation(){
 849     // sets the default simulation.
 850     // Inputs:
 851     //      none.
 852     // Outputs:
 853     //      none.
 854     // Return:
 855     //      none.
 856
 857   if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 858   AliITSsimulation *sim;
 859   //AliITSsegmentation *seg;
 860   //AliITSCalibration *res;
 861   //SPD
 862   if(fDetTypeSim){
 863     sim = fDetTypeSim->GetSimulationModel(kSPD);
 864     if (!sim) {
 865       //seg =(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD);
 866       //if(seg==0) seg = new AliITSsegmentationSPD();
 867       //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSPD());
 868       //if(res==0) res = new AliITSCalibrationSPD();
 869       sim = new AliITSsimulationSPD(fDetTypeSim);
 870       SetSimulationModel(kSPD,sim);
 871     }else{ // simulation exists, make sure it is set up properly.
 872       sim->SetSegmentationModel(kSPD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD));
 873       sim->SetCalibrationModel(GetITSgeom()->GetStartSPD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSPD()));
 874       sim->Init();
 875     } // end if
 876   } // end if iDetType
 877   //SDD
 878   if(fDetTypeSim){
 879     sim = fDetTypeSim->GetSimulationModel(kSDD);
 880     if (!sim) {
 881       //      seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD);
 882       //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD());
 883       sim = new AliITSsimulationSDD(fDetTypeSim);
 884       SetSimulationModel(kSDD,sim);
 885     }else{ // simulation exists, make sure it is set up properly.
 886       sim->SetSegmentationModel(kSDD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD));
 887       sim->SetCalibrationModel(GetITSgeom()->GetStartSDD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()));
 888
 889       sim->Init();
 890     } //end if
 891   } // end if iDetType
 892   //SSD
 893   if(fDetTypeSim){
 894     sim = fDetTypeSim->GetSimulationModel(kSSD);
 895     if (!sim) {
 896       //      seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD);
 897       // res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD());
 898       sim = new AliITSsimulationSSD(fDetTypeSim);
 899       SetSimulationModel(kSSD,sim);
 900     }else{ // simulation exists, make sure it is set up properly.
 901       sim->SetSegmentationModel(kSSD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD));
 902       sim->SetCalibrationModel(GetITSgeom()->GetStartSSD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()));
 903       sim->Init();
 904     } // end if
 905   } // end if iDetType
 906   }*/
 907 //______________________________________________________________________
 908 void AliITSvSDD03::DrawModule() const{
 909     ////////////////////////////////////////////////////////////////////////
 910     //     Draw a shaded view of the ITS SDD test beam version 1.
 911     // Inputs:
 912     //    none.
 913     // Outputs:
 914     //    none.
 915     // Return:
 916     //    none.
 917     ////////////////////////////////////////////////////////////////////////
 918     // Set everything unseen
 919     gMC->Gsatt("*", "seen", -1);
 920     // Set ALIC mother visible
 921     gMC->Gsatt("ALIC","SEEN",0);
 922     // Set ALIC ITS visible
 923     gMC->Gsatt("ITSV","SEEN",1);
 924     // Set ALIC Telescopes visible
 925     gMC->Gsatt("ITEL","SEEN",1);
 926     gMC->Gsatt("ITEL","colo",2);
 927     // Set ALIC detetcor visible
 928     gMC->Gsatt("IDET","SEEN",1);
 929     gMC->Gsatt("IDET","colo",4);
 930     // Set ALIC Scintillator visible
 931     gMC->Gsatt("ISNT","SEEN",1);
 932     gMC->Gsatt("ISNT","colo",3);
 933     // Set Detector mother visible and drawn
 934 //    gMC->Gsatt("ITS0","SEEN",1);
 935     // Set minibus mother visible and drawn
 936 //    gMC->Gsatt("IMB0","SEEN",1);
 937
 938     // Draw
 939     gMC->Gdraw("alic", 60, 30, 180, 10,10, .12, .12);
 940 }
 941 //______________________________________________________________________
 942 void AliITSvSDD03::StepManager(){
 943     ////////////////////////////////////////////////////////////////////////
 944     //    Called for every step in the ITS SDD test beam, then calles the
 945     // AliITShit class  creator with the information to be recoreded about
 946     //  that hit.
 947     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 948     // printing of information to a file which can be used to create a .det
 949     // file read in by the routine CreateGeometry(). If set to 0 or any other
 950     // value except 1, the default behavior, then no such file is created nor
 951     // it the extra variables and the like used in the printing allocated.
 952     // Inputs:
 953     //    none.
 954     // Outputs:
 955     //    none.
 956     // Return:
 957     //    none.
 958     ////////////////////////////////////////////////////////////////////////
 959     if(!(this->IsActive())) return;
 960     if(!(gMC->TrackCharge())) return;
 961
 962     Int_t  cpy0,cpy1,ncpys=0,status,id,mod;
 963     TLorentzVector position, momentum;
 964     static AliITShit hit;// Saves on calls to construtors
 965     //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
 966     TClonesArray &lhits = *(Hits());
 967     //
 968     // Track status
 969     // Track status
 970     status = 0;
 971     if(gMC->IsTrackInside())      status +=  1;
 972     if(gMC->IsTrackEntering())    status +=  2;
 973     if(gMC->IsTrackExiting())     status +=  4;
 974     if(gMC->IsTrackOut())         status +=  8;
 975     if(gMC->IsTrackDisappeared()) status += 16;
 976     if(gMC->IsTrackStop())        status += 32;
 977     if(gMC->IsTrackAlive())       status += 64;
 978     //
 979     // Fill hit structure.
 980     gMC->TrackPosition(position);
 981     gMC->TrackMomentum(momentum);
 982     id   = gMC->CurrentVolID(cpy0);
 983     gMC->CurrentVolOffID(3,cpy1);
 984     if(id==fIdSens[0])ncpys=10;
 985     if(id==fIdSens[1])ncpys=2;
 986     fIgm.DecodeDetector(mod,ncpys,cpy0,cpy1,1);
 987     //
 988     // Fill hit structure.
 989     //
 990     hit.SetModule(mod);
 991     hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
 992     gMC->TrackPosition(position);
 993     gMC->TrackMomentum(momentum);
 994     hit.SetPosition(position);
 995     hit.SetTime(gMC->TrackTime());
 996     hit.SetMomentum(momentum);
 997     hit.SetStatus(status);
 998     hit.SetEdep(gMC->Edep());
 999     hit.SetShunt(GetIshunt());
1000     if(gMC->IsTrackEntering()){
1001         hit.SetStartPosition(position);
1002         hit.SetStartTime(gMC->TrackTime());
1003         hit.SetStartStatus(status);
1004         return; // don't save entering hit.
1005     } // end if IsEntering
1006     // Fill hit structure with this new hit.
1007     //Info("StepManager","Calling Copy Constructor");
1008     new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
1009     // Save old position... for next hit.
1010     hit.SetStartPosition(position);
1011     hit.SetStartTime(gMC->TrackTime());
1012     hit.SetStartStatus(status);
1013     return;
1014 }
1015