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 <TNode.h>
  27 #include <TBRIK.h>
  28 #include <TLorentzVector.h>
  29 #include <TVirtualMC.h>
  30 #include <TGeoMatrix.h>
  31
  32 #include "AliMC.h"
  33 #include "AliRun.h"
  34 #include "AliMagF.h"
  35 #include "AliTrackReference.h"
  36 #include "AliITShit.h"
  37 #include "AliITS.h"
  38 #include "AliITSvSDD03.h"
  39 #include "AliITSgeom.h"
  40 #include "AliITSgeomSDD.h"
  41 #include "AliITSgeomSSD.h"
  42 #include "AliITSDetTypeSim.h"
  43 #include "AliITSCalibrationSPD.h"
  44 #include "AliITSCalibrationSDD.h"
  45 #include "AliITSCalibrationSSD.h"
  46 #include "AliITSsegmentationSPD.h"
  47 #include "AliITSsegmentationSDD.h"
  48 #include "AliITSsegmentationSSD.h"
  49 #include "AliITSsimulationSPD.h"
  50 #include "AliITSsimulationSDD.h"
  51 #include "AliITSsimulationSSD.h"
  52
  53
  54 ClassImp(AliITSvSDD03)
  55
  56 //______________________________________________________________________
  57 AliITSvSDD03::AliITSvSDD03() :
  58 AliITS(),
  59 fGeomDetOut(kFALSE),
  60 fGeomDetIn(kFALSE),
  61 fMajorVersion(1),
  62 fMinorVersion(2),
  63 fEuclidGeomDet(),
  64 fRead(),
  65 fWrite(),
  66 fDet1(300.0),
  67 fDet2(300.0),
  68 fChip1(300.0),
  69 fChip2(300.0),
  70 fIDMother(0),
  71 fYear(2003){
  72     ////////////////////////////////////////////////////////////////////////
  73     // Standard default constructor for the ITS SDD test beam 2002 version 1.
  74     // Inputs:
  75     //    none.
  76     // Outputs:
  77     //    none.
  78     // Return:
  79     //    A default created class.
  80     ////////////////////////////////////////////////////////////////////////
  81     Int_t i;
  82
  83     fIdN          = 0;
  84     fIdName       = 0;
  85     fIdSens       = 0;
  86     fEuclidOut    = kFALSE; // Don't write Euclide file
  87     for(i=0;i<60;i++) fRead[i] = '\0';
  88     for(i=0;i<60;i++) fWrite[i] = '\0';
  89     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  90     fTarg=kNoTarg;
  91     fTargThick=0;
  92 }
  93 //______________________________________________________________________
  94 AliITSvSDD03::AliITSvSDD03(const char *title,Int_t year):
  95 AliITS("ITS", title),
  96 fGeomDetOut(kFALSE),
  97 fGeomDetIn(kFALSE),
  98 fMajorVersion(1),
  99 fMinorVersion(2),
 100 fEuclidGeomDet(),
 101 fRead(),
 102 fWrite(),
 103 fDet1(300.0),
 104 fDet2(300.0),
 105 fChip1(300.0),
 106 fChip2(300.0),
 107 fIDMother(0),
 108 fYear(2003){
 109     ////////////////////////////////////////////////////////////////////////
 110     //    Standard constructor for the ITS SDD testbeam 2002 version 1.
 111     // Inputs:
 112     //    const char *title    title for this ITS geometry.
 113     // Outputs:
 114     //    none.
 115     // Return:
 116     //    A standard created class.
 117     ////////////////////////////////////////////////////////////////////////
 118     Int_t i;
 119
 120     fIdN = 3;
 121     fIdName = new TString[fIdN];
 122     fIdName[0] = "IMBS";
 123     fIdName[1] = "ITST";
 124     fIdName[2] = "ISNT";
 125     fIdSens    = new Int_t[fIdN];
 126     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 127     fEuclidOut    = kFALSE; // Don't write Euclide file
 128     fYear         = year;
 129     fTarg=kNoTarg;
 130     fTargThick=0;
 131     SetThicknessDet1();
 132     SetThicknessDet2();
 133     SetThicknessChip1();
 134     SetThicknessChip2();
 135
 136     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSDD032.euc";
 137     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSDD032.det",60);
 138     strncpy(fRead,fEuclidGeomDet,60);
 139     strncpy(fWrite,fEuclidGeomDet,60);
 140 }
 141 //______________________________________________________________________
 142 AliITSvSDD03::~AliITSvSDD03() {
 143     ////////////////////////////////////////////////////////////////////////
 144     //    Standard destructor for the ITS SDD test beam 2002 version 1.
 145     // Inputs:
 146     //    none.
 147     // Outputs:
 148     //    none.
 149     // Return:
 150     //    none.
 151     ////////////////////////////////////////////////////////////////////////
 152 }
 153 //______________________________________________________________________
 154 void AliITSvSDD03::BuildGeometry(){
 155     ////////////////////////////////////////////////////////////////////////
 156     //    Geometry builder for the ITS SDD test beam 2002 version 1.
 157     //    ALIC    ALICE Mother Volume
 158     //     |- ITSV     ITS Mother Volume
 159     //         |- IDET       Detector under Test
 160     //         |   |- ITS0       SDD Si Chip
 161     //         |   |  |- ITST      SDD Sensitivve Volume
 162     //         |   |- IPC0 *5    Readout chip
 163     //         |- ITEL *4    SDD Telescope
 164     //             |- IMB0       SDD Si Chip
 165     //             |   |- IMBS     SDD Sensitive volume
 166     //             |- ICMB       Chip MiniBus.
 167     // Inputs:
 168     //    none.
 169     // Outputs:
 170     //    none.
 171     // Return:
 172     //    none.
 173     ////////////////////////////////////////////////////////////////////////
 174     // Get the top alice volume.
 175     TNode *nALIC = gAlice->GetGeometry()->GetNode("alice");
 176     nALIC->cd();
 177
 178     // Define ITS Mother Volume
 179     Float_t data[3];
 180     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 181     //Float_t yposition= 0.0;
 182     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
 183                                     90.0,0,0.0,0,90.0,270.0);
 184     data[0] = 10.0;
 185     data[1] = 10.0;
 186     data[2] = 100.0;
 187     TBRIK *sITSVshape =new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
 188                                  data[0],data[1],data[2]);
 189     TNode *sITSV = new TNode("ITSV","ITS Mother Volume",sITSVshape,
 190                             0.0,0.0,0.0,0,0);
 191     sITSV->cd(); // set ourselve into ITSV subvolume of ALIC
 192
 193     // SSD part of telescope (MiniBuS)
 194     data[0] = 1.06;
 195     data[1] = 0.5*ddettelescope;
 196     data[2] = 1.1;
 197     TBRIK *sIMB0shape = new TBRIK("IMB0shape","SDD wafer","Si",
 198                                  data[0],data[1],data[2]);
 199     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 200     data[0] = detMiniBusX = 0.5*384*50.0E-4;
 201     data[1] = detMiniBusY = 0.5*ddettelescope;
 202     data[2] = detMiniBusZ = 1.0;
 203     TBRIK *sIMBSshape = new TBRIK("IMBSshape","SDD Sensitive volume","Si",
 204                                  data[0],data[1],data[2]);
 205
 206     data[0] = 1.36;
 207     data[1] = 0.47;
 208     data[2] = 1.36;
 209     TBRIK *sITELshape = new TBRIK("ITELshape","ITELshape","Air",
 210                                  data[0],data[1],data[2]);
 211
 212
 213     // SDD under test
 214     Float_t spdX,spdY,spdZ;
 215     data[0] = 3.62500;
 216     data[1] = 0.5*ddettest;
 217     data[2] = 4.37940;
 218     TBRIK *sITS0shape = new TBRIK("ITS0shape","SDD wafer","Si",
 219                                  data[0],data[1],data[2]); // contains detector
 220     data[0] = spdX = 3.50860;
 221     data[1] = spdY = 0.5*ddettest;
 222     data[2] = spdZ = 3.76320;
 223     TBRIK *sITSTshape = new TBRIK("ITSTshape","SDD sensitive volume","Si",
 224                                  data[0],data[1],data[2]);
 225
 226     data[0] = 4.2;
 227     data[1] = 0.52;
 228     data[2] = 5.2;
 229     TBRIK *sIDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
 230                                  data[0],data[1],data[2]);
 231
 232
 233     // Place volumes in geometry
 234     char name[20],title[50];
 235
 236     //place SDD under test
 237     Double_t px=0.0,py=0.0;
 238     Double_t pz[2]={0.0,5.2};
 239     TNode *nIDET[2],*nITS0[2],*nITST[2];
 240     for(Int_t i=0;i<2;i++){
 241         sITSV->cd();
 242         sprintf(name,"IDET%d",i);
 243         sprintf(title,"SDD #%d under test",i+1);
 244         nIDET[i] = new TNode(name,title,sIDETshape,px,py,pz[i],r0,0);
 245         nIDET[i]->cd();
 246         nITS0[i] = new TNode("ITS0","SDD wafer",sITS0shape,0.0,0.0,0.0,0,0);
 247         nITS0[i]->cd();
 248         nITST[i] = new TNode("ITST","SDD sensitive volume",sITSTshape,
 249                             0.0,0.0,0.0,0,0);
 250         nITST[i]->SetLineColor(kYellow);
 251         fNodes->Add(nITST[i]);
 252     } // end for i
 253
 254     //place SSD telescope planes
 255     Double_t qx=0.0,qy=0.0;
 256     Double_t qz[10]={-58.4,-57.4,-50.4,-49.4,60.1,61.1,68.4,69.4,87.7,88.7};
 257     TNode *nITEL[10],*nIMB0[10],*nIMBS[10];
 258     for(Int_t i=0;i<10;i++){
 259         sITSV->cd();
 260         sprintf(name,"ITEL%d",i);
 261         sprintf(title,"Test beam telescope element #%d",i+1);
 262         nITEL[i] = new TNode(name,title,sITELshape,qx,qy,qz[i],r0,0);
 263         nITEL[i]->cd();
 264         nIMB0[i] = new TNode("IMB0","Chip MiniBus",sIMB0shape,
 265                             0.0, 0.0,0.0,0,0);
 266         nIMB0[i]->cd();
 267         nIMBS[i] = new TNode("IMBS","IMBS",sIMBSshape,0.0,0.0,0.0,0,0);
 268         nIMBS[i]->SetLineColor(kGreen);
 269         fNodes->Add(nIMBS[i]);
 270     } // end for i
 271     nALIC->cd();
 272     sITSV->Draw();
 273 }
 274 //______________________________________________________________________
 275 Int_t AliITSvSDD03::DecodeDetector(Int_t id,Int_t cpy,Int_t &lay,
 276                                    Int_t &det,Int_t &lad) const{
 277     // Given the Geant id and copy volume number, returns the layer, ladder,
 278     // and detector number, allong with the module number of the detector
 279     // involved. Returns -1 and lay=0, lad=0, and det=0 if not a sensitive
 280     // volume.
 281     // Inputs:
 282     //    Int_t id    Geometry volume id number
 283     //    Int_t cpy   Geometry copy number
 284     // Outputs:
 285     //    Int_t lay   ITS layer number
 286     //    Int_t lad   ITS ladder number
 287     //    Int_t det   ITS detector number
 288     // Return:
 289     //    Int_t module number.
 290     Int_t mod;
 291
 292     lay = 0; lad = 0; det = 0; mod = -1;
 293     if(id==fIdSens[0]){ // Volume name is IMBS (ITEL)
 294         lad = 1; det = 1;
 295         lay = cpy;
 296         if(cpy>4) lay+=2;
 297         mod = lay-1;
 298         return mod;
 299     }// end if
 300     if(id==fIdSens[1]){ // Volume name is ITST (IDet)
 301         lad = 1; det = 1;lay = cpy+4;
 302         mod = lay-1;
 303         return mod;
 304     }// end if
 305     return mod;
 306 }
 307 //______________________________________________________________________
 308 void AliITSvSDD03::CreateGeometry(){
 309     ////////////////////////////////////////////////////////////////////////
 310     //  This routine defines and Creates the geometry for version 1 of the ITS.
 311     //    ALIC    ALICE Mother Volume
 312     //     |- ITSV     ITS Mother Volume
 313     //         |- IDET       Detector under Test (boxcontaining SDD)
 314     //         |   |-IDAI        Air inside box
 315     //         |       |- ITS0       SDD Si Chip
 316     //         |          |- ITST      SDD Sensitivve Volume
 317     //         |- ITEL *10   SSD Telescope (plastic box containting SSD's)
 318     //         |   |- ITAI       Air inside box
 319     //         |       |- IMB0       SDD Si Chip
 320     //         |           |- IMBS     SDD Sensitive volume
 321     //         |-ISNT*4    Sintilator triggers
 322     // Inputs:
 323     //    none.
 324     // Outputs:
 325     //    none.
 326     // Return:
 327     //    none.
 328     ////////////////////////////////////////////////////////////////////////
 329     Float_t data[49];
 330     // Define media off-set
 331     Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
 332     Int_t idrotm[4]; // Array of rotation matrix indexes
 333     //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 334     //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 335     //Float_t yposition= 0.0;
 336     const Float_t kmm=0.1,kcm=1.0,kmicm=kmm/1000.;
 337     // Define Rotation-reflextion Matrixes needed
 338     // 0 is the unit matrix
 339     AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X
 340     AliMatrix(idrotm[1], 90.0,90.0, 0.0,180.0, 90.0,270.0); // SSD Y
 341     AliMatrix(idrotm[2],90.0,90.0,90.0,180.0,0.0,0.0);  //Rotate about Z 90 degree
 342
 343     data[0] = 150.0*kmm;
 344     data[1] = 150.0*kmm;
 345     data[2] = 1100.0*kmm;
 346     gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
 347     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
 348
 349
 350     // Crossed sintilator triggers (2 in front 2 in back)
 351     data[0] = 10.0*kcm;
 352     data[1] = 2.0*kcm;
 353     data[2] = 2.0*kmm;
 354     gMC->Gsvolu("ISNT","BOX ",idtmed[2],data,3);
 355     gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,-950.0*kmm,0,"ONLY");
 356     gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,-950.0*kmm-data[2],idrotm[2],"ONLY");
 357     gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,950.0*kmm+data[2],0,"ONLY");
 358     gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,950.0*kmm,idrotm[2],"ONLY");
 359
 360
 361 ////Create Volumes
 362
 363     // SSD part of telescope (MiniBuS)
 364     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 365     data[0] = detMiniBusX = 10600.0*kmicm;
 366     data[1] = detMiniBusY = 0.150*kmm;
 367     data[2] = detMiniBusZ = 1.1*kcm;
 368     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
 369     data[0] = 0.5*384*50*kmicm;
 370     data[1] = 0.1499*kmm;
 371     data[2] = 1.0*kcm;
 372     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detector volume
 373     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
 374     // Box containing SSD's
 375     data[0] = 11600.0*kmicm;
 376     data[1] = 0.450*kcm;
 377     data[2] = 1.16*kcm;
 378     gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
 379     // Plastic box size = insize + thickness.
 380     data[0] = data[0] + 2.0*kmm;
 381     data[1] = data[1] + 200.0*kmicm;
 382     data[2] = data[2] + 2.0*kmm;
 383     gMC->Gsvolu("ITEL","BOX ",idtmed[3],data,3);
 384     gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
 385     gMC->Gspos("IMB0",1,"ITAI",0.0,0.0,0.0,0,"ONLY");
 386
 387     // SDD under test
 388     Float_t sddX,sddY,sddZ;
 389     data[0] = sddX = 3.62500*kcm;
 390     data[1] = sddY = 0.1500*kmm;
 391     data[2] = sddZ = 4.37940*kcm;
 392     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
 393     data[0] = 3.50860*kcm;
 394     data[1] = 0.1499*kmm;
 395     data[2] = 3.76320*kcm;
 396     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
 397     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
 398     // Box containing SDD under test
 399     data[0] = 4.0*kcm;
 400     data[1] = 0.5*kcm;
 401     data[2] = 5.0*kcm;
 402     gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
 403     data[0] = data[0] + 2.0*kmm;
 404     data[1] = data[1] + 200.0*kmicm;
 405     data[2] = data[2] + 2.0*kmm;
 406     gMC->Gsvolu("IDET","BOX ",idtmed[3],data,3);
 407     gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
 408     gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
 409
 410
 411 //// Position detectors, Beam Axis Z, X to the right, Y up to the sky.
 412     // Upsteram planes of the telescope
 413     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
 414     p00X = 0.0*kcm;
 415     p00Y = 0.0*kcm;
 416     p00Z = -584*kmm;
 417     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
 418     p01X = 0.0*kcm;
 419     p01Y = 0.0*kcm;
 420     p01Z = -574*kmm;
 421     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 422     p01X = 0.0*kcm;
 423     p01Y = 0.0*kcm;
 424     p01Z = -504*kmm;
 425     gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
 426     p01X = 0.0*kcm;
 427     p01Y = 0.0*kcm;
 428     p01Z = -494*kmm;
 429     gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 430
 431     // Downstream planes of the telescope
 432     p10X = 0.0*kcm;
 433     p10Y = 0.0*kcm;
 434     p10Z = +601.0*kmm;
 435     gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
 436     p11X = 0.0*kcm;
 437     p11Y = 0.0*kcm;
 438     p11Z = +610.0*kmm; //611.0
 439     gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 440     p11X = 0.0*kcm;
 441     p11Y = 0.0*kcm;
 442     p11Z = +684.0*kmm;
 443     gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 444     p11X = 0.0*kcm;
 445     p11Y = 0.0*kcm;
 446     p11Z = +694.0*kmm;
 447     gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 448     p11X = 0.0*kcm;
 449     p11Y = 0.0*kcm;
 450     p11Z = +877.0*kmm;
 451     gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 452     p11X = 0.0*kcm;
 453     p11Y = 0.0*kcm;
 454     p11Z = +887.0*kmm;
 455     gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 456
 457     // SDDs
 458     Float_t pdet1X,pdet1Y,pdet1Z;
 459     Float_t pdet2X,pdet2Y,pdet2Z;
 460     pdet1X = 0.0*kcm;
 461     pdet1Y = 0.0*kcm;
 462     pdet1Z = 0.0*kcm;
 463     gMC->Gspos("IDET",1,"ITSV",pdet1X,pdet1Y,pdet1Z,idrotm[0],"ONLY");// Detector1
 464     pdet2X = 0.0*kcm;
 465     pdet2Y = 0.0*kcm;
 466     pdet2Z = 52*kmm; //52
 467     gMC->Gspos("IDET",2,"ITSV",pdet2X,pdet2Y,pdet2Z,idrotm[0],"ONLY");// Detector2
 468
 469 // Target definition and placement
 470     if(fTarg){
 471       data[0] = 30*kmm;
 472       data[1] = fTargThick*kmm;  // Target thickness
 473       data[2] = 30*kmm;
 474       gMC->Gsvolu("ITGT","BOX ",idtmed[fTarg],data,3);
 475
 476       Float_t a,z,dens,radl,absl;
 477       Float_t* ubuf=0; Int_t nbuf;
 478       char* ssss="";
 479       gMC->Gfmate(idtmed[fTarg],ssss,a,z,dens,radl,absl,ubuf,nbuf);
 480
 481       Info("CreateGeometry","Target A=%f,  Z=%f,  dens=%f",a,z,dens);
 482       Info("Creategeometry","Target thickness=%f mm",fTargThick);
 483
 484       Float_t ptgtX,ptgtY,ptgtZ;
 485       ptgtX = 0.0*kcm;
 486       ptgtY = 0.0*kcm;
 487       ptgtZ = -50*kmm;
 488       gMC->Gspos("ITGT",1,"ITSV",ptgtX,ptgtY,ptgtZ,idrotm[0],"ONLY");// Target
 489     }else{
 490       Info("CreateGeometry","No target defined");
 491     }
 492 }
 493 //______________________________________________________________________
 494 void AliITSvSDD03::CreateMaterials(){
 495     ////////////////////////////////////////////////////////////////////////
 496     //
 497     // Create ITS SDD test beam materials
 498     //     This function defines the default materials used in the Geant
 499     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 500     // AliITSvSDD03.
 501     // In general it is automatically replaced by
 502     // the CreateMaterials routine defined in AliITSv?. Should the function
 503     // CreateMaterials not exist for the geometry version you are using this
 504     // one is used. See the definition found in AliITSv5 or the other routine
 505     // for a complete definition.
 506     //
 507     // Inputs:
 508     //    none.
 509     // Outputs:
 510     //    none.
 511     // Return:
 512     //    none.
 513     /////////////////////////////////////////////////////////////////////////
 514     Float_t tmaxfdSi = 0.1; // Degree
 515     Float_t stemaxSi = 0.0075; // cm //0.0075
 516     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
 517     Float_t epsilSi  = 1.0E-4;//
 518     Float_t stminSi  = 0.0; // cm "Default value used"
 519
 520     Float_t tmaxfdAir = 0.1; // Degree
 521     Float_t stemaxAir = .10000E+01; // 1 cm  //cm
 522     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
 523     Float_t epsilAir  = 1.0E-4;//
 524     Float_t stminAir  = 0.0; // cm "Default value used"
 525     Int_t   ifield = gAlice->Field()->Integ();
 526     Float_t fieldm = gAlice->Field()->Max();
 527     //
 528
 529     // AIR
 530     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 531     Float_t zAir[4]={6.,7.,8.,18.};
 532     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 533     Float_t dAir = 1.20479E-3;
 534     // Lucite/Plexiglass
 535     Float_t aLuc[3] = {1.,12.,16.};
 536     Float_t zLuc[3] = {1.,6.,8.};
 537     Float_t wLuc[3] = {8.,5.,2.};
 538     Float_t dLuc = 1.19;
 539     // stainless steel
 540     Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
 541     Float_t zsteel[4] = { 26.,24.,28.,14. };
 542     Float_t wsteel[4] = { .715,.18,.1,.005 };
 543     Float_t dsteel = 7.88;
 544
 545     AliMixture(1, "AIR$",aAir,zAir,dAir,4,wAir);
 546     AliMaterial(2,"SI$",28.086,14.0,2.3300,9.3600,999.00);
 547     AliMixture(3,"Sintilator$",aLuc,zLuc,dLuc,-3,wLuc);
 548     AliMixture(4,"PlasticBox$",aLuc,zLuc,dLuc,-3,wLuc);
 549     AliMaterial(5, "IRON$", 55.85, 26., 7.87, 1.76, 999.00);
 550     AliMaterial(6, "LEAD$", 207.19, 82., 11.35, .56, 999.00);
 551     AliMixture(7, "STAINLESS STEEL$", asteel, zsteel,dsteel, 4, wsteel);
 552     AliMaterial(9, "C$", 12.011, 6., 2.265, 18.8, 999.00);
 553     AliMaterial(10, "Al$", 26.98, 13., 2.70, 8.9, 999.00);
 554     AliMaterial(11, "Be$", 9.012, 4., 1.848, 35.3, 999.00);
 555     AliMaterial(12, "Ti$", 47.88, 22., 4.54, 3.56, 999.00);
 556     AliMaterial(13, "Sn$", 118.69, 50., 7.31, 1.21, 999.00);
 557     AliMaterial(14, "Cu$", 63.55, 29., 8.96, 1.43, 999.00);
 558     AliMaterial(15, "Ge$", 72.59, 32., 5.323, 2.30, 999.00);
 559     AliMaterial(20, "W$", 183.85, 74., 19.3, 0.35, 999.00);
 560
 561     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
 562               epsilAir,stminAir);
 563     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 564               epsilSi,stminSi);
 565     AliMedium(3,"Scintillator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 566               epsilSi,stminSi);
 567     AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 568               epsilSi,stminSi);
 569     AliMedium(5,"IRON$",5,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 570               epsilSi,stminSi);
 571     AliMedium(6,"LEAD$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 572               epsilSi,stminSi);
 573     AliMedium(7,"StainlessSteel$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 574               epsilSi,stminSi);
 575
 576     AliMedium(9,"C$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 577     AliMedium(10,"Al$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 578     AliMedium(11,"Be$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 579     AliMedium(12,"Ti$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 580     AliMedium(13,"Sn$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 581     AliMedium(14,"Cu$",14,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 582     AliMedium(15,"Ge$",15,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 583     AliMedium(20,"W$",20,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 584     //dummy materials to avoid warning during simulation (galice.cuts)
 585
 586    AliMedium(21,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 587               epsilSi,stminSi);
 588    AliMedium(25,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 589               epsilSi,stminSi);
 590    AliMedium(26,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 591               epsilSi,stminSi);
 592    AliMedium(27,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 593               epsilSi,stminSi);
 594    AliMedium(51,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 595               epsilSi,stminSi);
 596    AliMedium(52,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 597               epsilSi,stminSi);
 598    AliMedium(53,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 599               epsilSi,stminSi);
 600    AliMedium(54,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 601               epsilSi,stminSi);
 602    AliMedium(55,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 603               epsilSi,stminSi);
 604    AliMedium(56,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 605               epsilSi,stminSi);
 606    AliMedium(61,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 607               epsilSi,stminSi);
 608    AliMedium(62,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 609               epsilSi,stminSi);
 610    AliMedium(63,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 611               epsilSi,stminSi);
 612    AliMedium(64,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 613               epsilSi,stminSi);
 614    AliMedium(65,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 615               epsilSi,stminSi);
 616    AliMedium(68,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 617               epsilSi,stminSi);
 618    AliMedium(69,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 619               epsilSi,stminSi);
 620    AliMedium(70,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 621               epsilSi,stminSi);
 622    AliMedium(71,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 623               epsilSi,stminSi);
 624    AliMedium(72,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 625               epsilSi,stminSi);
 626    AliMedium(73,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 627               epsilSi,stminSi);
 628    AliMedium(74,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 629               epsilSi,stminSi);
 630    AliMedium(75,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 631               epsilSi,stminSi);
 632    AliMedium(76,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 633               epsilSi,stminSi);
 634    AliMedium(77,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 635               epsilSi,stminSi);
 636    AliMedium(78,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 637               epsilSi,stminSi);
 638    AliMedium(79,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 639               epsilSi,stminSi);
 640    AliMedium(80,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 641               epsilSi,stminSi);
 642    AliMedium(81,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 643               epsilSi,stminSi);
 644    AliMedium(82,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 645               epsilSi,stminSi);
 646    AliMedium(83,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 647               epsilSi,stminSi);
 648    AliMedium(84,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 649               epsilSi,stminSi);
 650    AliMedium(85,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 651               epsilSi,stminSi);
 652    AliMedium(90,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 653               epsilSi,stminSi);
 654    AliMedium(91,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 655               epsilSi,stminSi);
 656    AliMedium(92,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 657               epsilSi,stminSi);
 658    AliMedium(93,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 659               epsilSi,stminSi);
 660    AliMedium(94,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 661               epsilSi,stminSi);
 662    AliMedium(95,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 663               epsilSi,stminSi);
 664    AliMedium(96,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 665               epsilSi,stminSi);
 666
 667 }
 668 //______________________________________________________________________
 669 void AliITSvSDD03::InitAliITSgeom(){
 670     //     Based on the geometry tree defined in Geant 3.21, this
 671     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
 672     // sturture.
 673     // Inputs:
 674     //    none.
 675     // Outputs:
 676     //    none.
 677     // Return:
 678     //    none.
 679     const Int_t knlayers=12;
 680     //   const Int_t kndeep=6;
 681     const Int_t kltypess=2;
 682     const AliITSDetector kidet[knlayers]={kSSD,kSDD};
 683     const TString knames[kltypess]={
 684         "/ALIC_1/ITSV_1/ITEL_%d/ITAI_1/IMB0_1/IMBS_1",
 685         "/ALIC_1/ITSV_1/IDET_%d/IDAI_1/ITS0_1/ITST_1"};
 686     const Int_t kitsGeomTreeCopys[kltypess]={10,2};
 687     const Int_t knp=384;
 688     const Float_t kpitch=50.E-4;/*cm*/
 689     Float_t box[3]={0.5*kpitch*(Float_t)knp,150.E-4,1.0},p[knp+1],n[knp+1];
 690     Int_t nlad[knlayers]={knlayers*1};
 691     Int_t ndet[knlayers]={knlayers*1};
 692     Int_t mod=knlayers,lay=0,lad=0,det=0,i,j,cp0;
 693     TString path,shapeName;
 694     TGeoHMatrix matrix;
 695     Double_t trans[3]={3*0.0},rot[10]={10*0.0};
 696     TArrayD shapePar;
 697     TArrayF shapeParF;
 698     Bool_t isShapeDefined[kltypess]={kltypess*kFALSE};
 699     AliITSgeom *geom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
 700     if(GetITSgeom()!=0) SetITSgeom(0x0);// delet existing if there.
 701     SetITSgeom(geom);
 702
 703     p[0]=-box[0];
 704     n[0]=box[0];
 705     // Fill in anode and cathode strip locations (lower edge)
 706     for(i=1;i<knp;i++){
 707         p[i] =p[i-1]+kpitch;
 708         n[i] =n[i-1]-kpitch;
 709     } // end for i
 710     p[knp]=box[0];
 711     n[knp]=-box[0];
 712     for(i=0;i<kltypess;i++)for(cp0=1;cp0<=kitsGeomTreeCopys[i];cp0++){
 713         mod = DecodeDetector(fIdSens[i],cp0,lay,lad,det);
 714         path.Form(knames[i].Data(),cp0);
 715         gMC->GetTransformation(path.Data(),matrix);
 716         gMC->GetShape(path.Data(),shapeName,shapePar);
 717         shapeParF.Set(shapePar.GetSize());
 718         for(j=0;j<shapePar.GetSize();j++)shapeParF[j]=shapePar[j];
 719         geom->CreateMatrix(mod,lay,lad,det,kidet[i],trans,rot);
 720         geom->SetTrans(mod,matrix.GetTranslation());
 721         geom->SetRotMatrix(mod,matrix.GetRotationMatrix());
 722         geom->GetGeomMatrix(mod)->SetPath(path.Data());
 723         switch (kidet[i]){
 724         case kSDD: if(!(GetITSgeom()->IsShapeDefined((Int_t)kSDD))){
 725             geom->ReSetShape(kSDD,new AliITSgeomSDD256(shapeParF.GetSize(),
 726                                                        shapeParF.GetArray()));
 727             isShapeDefined[i]=kTRUE;
 728         } break;
 729         case kSSD:if(!(GetITSgeom()->IsShapeDefined((Int_t)kSSD))){
 730             geom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
 731                                                     knp+1,p,knp+1,n));
 732             isShapeDefined[i]=kTRUE;
 733         } break;
 734         default:{} break;
 735         } // end switch
 736     } // end for i,cp0
 737     return;
 738 }
 739 //______________________________________________________________________
 740 void AliITSvSDD03::Init(){
 741     ////////////////////////////////////////////////////////////////////////
 742     //     Initialise the ITS after it has been created.
 743     // Inputs:
 744     //    none.
 745     // Outputs:
 746     //    none.
 747     // Return:
 748     //    none.
 749     ////////////////////////////////////////////////////////////////////////
 750
 751
 752     Info("Init","**********AliITSvSDD03 %d _Init *************",fMinorVersion);
 753
 754     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
 755     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
 756     if(GetITSgeom()!=0) SetITSgeom(0x0);
 757     AliITSgeom* geom = new AliITSgeom();
 758     SetITSgeom(geom);
 759     if(fGeomDetIn) GetITSgeom()->ReadNewFile(fRead);
 760     if(!fGeomDetIn) this->InitAliITSgeom();
 761     if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
 762     AliITS::Init();
 763     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
 764
 765 }
 766 //______________________________________________________________________
 767 void AliITSvSDD03::SetDefaults(){
 768     // sets the default segmentation, response, digit and raw cluster classes
 769     // Inputs:
 770     //    none.
 771     // Outputs:
 772     //    none.
 773     // Return:
 774     //    none.
 775
 776   //    const Float_t kconv = 1.0e+04; // convert cm to microns
 777
 778     if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 779     fDetTypeSim->SetITSgeom(GetITSgeom());
 780     fDetTypeSim->ResetCalibrationArray();
 781     fDetTypeSim->ResetSegmentation();
 782
 783     AliITSgeomSDD *s1;
 784     AliITSgeomSSD *s2;
 785     SetCalibrationModel(GetITSgeom()->GetStartSPD(),new AliITSCalibrationSPD());
 786     SetSegmentationModel(kSPD,(AliITSsegmentationSPD*)
 787                          (GetITSgeom()->GetShape(kSPD)));
 788     fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
 789
 790     // SDD
 791     s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info. Do it this way for now.
 792     AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
 793     SetCalibrationModel(GetITSgeom()->GetStartSDD(),resp1);
 794
 795     AliITSsegmentationSDD *seg1 = (AliITSsegmentationSDD*)
 796                          (GetITSgeom()->GetShape(kSDD));
 797     seg1->SetDriftSpeed(resp1->GetDriftSpeed());
 798     seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
 799     SetSegmentationModel(kSDD,seg1);
 800     const char *kData1=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()))->DataType();
 801     const char *kopt=resp1->GetZeroSuppOption();
 802     if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
 803         fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigit");
 804     } else fDetTypeSim->SetDigitClassName(kSDD,"AliITSdigitSDD");
 805
 806     // SSD  Layer 5
 807
 808     s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
 809
 810     AliITSCalibration *resp2= new AliITSCalibrationSSD("simulated");
 811     SetCalibrationModel(GetITSgeom()->GetStartSSD(),resp2);
 812
 813     AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)
 814                          (GetITSgeom()->GetShape(kSSD));
 815     seg2->SetPadSize(50.,0.); // strip x pitch in microns
 816     seg2->SetNPads(384,0); // number of strips on each side.
 817     seg2->SetLayer(5);
 818     seg2->SetAngles(0.,0.); // strip angles rad P and N side.
 819     seg2->SetAnglesLay5(0.,0.); // strip angles rad P and N side.
 820     seg2->SetAnglesLay6(0.,0.); // strip angles rad P and N side.
 821
 822     SetSegmentationModel(kSSD,seg2);
 823     const char *kData2=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()))->DataType();
 824     if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
 825     else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
 826
 827     if(fgkNTYPES>3){
 828         Warning("SetDefaults",
 829                 "Only the four basic detector types are initialised!");
 830     }// end if
 831     return;
 832 }
 833 //______________________________________________________________________
 834 void AliITSvSDD03::SetDefaultSimulation(){
 835     // sets the default simulation.
 836     // Inputs:
 837     //      none.
 838     // Outputs:
 839     //      none.
 840     // Return:
 841     //      none.
 842
 843   if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 844   AliITSsimulation *sim;
 845   //AliITSsegmentation *seg;
 846   //AliITSCalibration *res;
 847   //SPD
 848   if(fDetTypeSim){
 849     sim = fDetTypeSim->GetSimulationModel(kSPD);
 850     if (!sim) {
 851       //seg =(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD);
 852       //if(seg==0) seg = new AliITSsegmentationSPD();
 853       //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSPD());
 854       //if(res==0) res = new AliITSCalibrationSPD();
 855       sim = new AliITSsimulationSPD(fDetTypeSim);
 856       SetSimulationModel(kSPD,sim);
 857     }else{ // simulation exists, make sure it is set up properly.
 858       sim->SetSegmentationModel(kSPD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD));
 859       sim->SetCalibrationModel(GetITSgeom()->GetStartSPD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSPD()));
 860       sim->Init();
 861     } // end if
 862   } // end if iDetType
 863   //SDD
 864   if(fDetTypeSim){
 865     sim = fDetTypeSim->GetSimulationModel(kSDD);
 866     if (!sim) {
 867       //      seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD);
 868       //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD());
 869       sim = new AliITSsimulationSDD(fDetTypeSim);
 870       SetSimulationModel(kSDD,sim);
 871     }else{ // simulation exists, make sure it is set up properly.
 872       sim->SetSegmentationModel(kSDD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD));
 873       sim->SetCalibrationModel(GetITSgeom()->GetStartSDD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()));
 874
 875       sim->Init();
 876     } //end if
 877   } // end if iDetType
 878   //SSD
 879   if(fDetTypeSim){
 880     sim = fDetTypeSim->GetSimulationModel(kSSD);
 881     if (!sim) {
 882       //      seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD);
 883       // res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD());
 884       sim = new AliITSsimulationSSD(fDetTypeSim);
 885       SetSimulationModel(kSSD,sim);
 886     }else{ // simulation exists, make sure it is set up properly.
 887       sim->SetSegmentationModel(kSSD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD));
 888       sim->SetCalibrationModel(GetITSgeom()->GetStartSSD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()));
 889       sim->Init();
 890     } // end if
 891   } // end if iDetType
 892 }
 893 //______________________________________________________________________
 894 void AliITSvSDD03::DrawModule() const{
 895     ////////////////////////////////////////////////////////////////////////
 896     //     Draw a shaded view of the ITS SDD test beam version 1.
 897     // Inputs:
 898     //    none.
 899     // Outputs:
 900     //    none.
 901     // Return:
 902     //    none.
 903     ////////////////////////////////////////////////////////////////////////
 904     // Set everything unseen
 905     gMC->Gsatt("*", "seen", -1);
 906     // Set ALIC mother visible
 907     gMC->Gsatt("ALIC","SEEN",0);
 908     // Set ALIC ITS visible
 909     gMC->Gsatt("ITSV","SEEN",1);
 910     // Set ALIC Telescopes visible
 911     gMC->Gsatt("ITEL","SEEN",1);
 912     gMC->Gsatt("ITEL","colo",2);
 913     // Set ALIC detetcor visible
 914     gMC->Gsatt("IDET","SEEN",1);
 915     gMC->Gsatt("IDET","colo",4);
 916     // Set ALIC Scintillator visible
 917     gMC->Gsatt("ISNT","SEEN",1);
 918     gMC->Gsatt("ISNT","colo",3);
 919     // Set Detector mother visible and drawn
 920 //    gMC->Gsatt("ITS0","SEEN",1);
 921     // Set minibus mother visible and drawn
 922 //    gMC->Gsatt("IMB0","SEEN",1);
 923
 924     // Draw
 925     gMC->Gdraw("alic", 60, 30, 180, 10,10, .12, .12);
 926 }
 927 //______________________________________________________________________
 928 void AliITSvSDD03::StepManager(){
 929     ////////////////////////////////////////////////////////////////////////
 930     //    Called for every step in the ITS SDD test beam, then calles the
 931     // AliITShit class  creator with the information to be recoreded about
 932     //  that hit.
 933     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 934     // printing of information to a file which can be used to create a .det
 935     // file read in by the routine CreateGeometry(). If set to 0 or any other
 936     // value except 1, the default behavior, then no such file is created nor
 937     // it the extra variables and the like used in the printing allocated.
 938     // Inputs:
 939     //    none.
 940     // Outputs:
 941     //    none.
 942     // Return:
 943     //    none.
 944     ////////////////////////////////////////////////////////////////////////
 945     Int_t  copy, id;
 946     static TLorentzVector position0;
 947     static Int_t stat0=0;
 948     if((id=gMC->CurrentVolID(copy) == fIDMother)&&
 949        (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
 950         copy = fTrackReferences->GetEntriesFast();
 951         TClonesArray &lTR = *fTrackReferences;
 952         // Fill TrackReference structure with this new TrackReference.
 953         new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->
 954                                          GetCurrentTrackNumber());
 955     } // if Outer ITS mother Volume
 956     //if(!(this->IsActive())) return;
 957     if(!(gMC->TrackCharge())) return;
 958     Int_t   vol[5],copy3;
 959     TLorentzVector position, momentum;
 960     TClonesArray &lhits = *fHits;
 961     //
 962     // Fill hit structure.
 963     gMC->TrackPosition(position);
 964     gMC->TrackMomentum(momentum);
 965     id   = gMC->CurrentVolID(copy);
 966     if(id==fIdSens[0] || id==fIdSens[1]){ // Volumes "ITST" or "IMBS"
 967         copy = gMC->CurrentVolOffID(3,copy3);
 968         copy = DecodeDetector(id,copy3,vol[0],vol[1],vol[2]);
 969         //    cout << "0: mod,lay,lad,det="<<copy<<","<<vol[0]<<","<<vol[1]
 970         //     <<","<<vol[2]<<" name="<<gMC->CurrentVolName()
 971         //     <<","<<fIdSens[0]<<","<<fIdSens[1]<<","<<id<<" z="
 972         //     <<position.Z()<<endl;
 973     }else if(id==fIdSens[2]){ // "ISNT" Sintilator
 974         //cout << "1: id,copy="<<id<<","<<copy
 975         //     <<" name="<<gMC->CurrentVolName()<<" z="
 976         //     <<position.Z()<<endl;
 977         return; // Do nothing for now.
 978     }else{
 979         //cout << "2: id,copy="<<id<<","<<copy
 980         //     <<" name="<<gMC->CurrentVolName()<<" z="
 981         //     <<position.Z()<<endl;
 982         return;
 983     } // end if
 984     //
 985     // Track status
 986     vol[3] = 0;
 987     vol[4] = 0;
 988     if(gMC->IsTrackInside())      vol[3] +=  1;
 989     if(gMC->IsTrackEntering())    vol[3] +=  2;
 990     if(gMC->IsTrackExiting())     vol[3] +=  4;
 991     if(gMC->IsTrackOut())         vol[3] +=  8;
 992     if(gMC->IsTrackDisappeared()) vol[3] += 16;
 993     if(gMC->IsTrackStop())        vol[3] += 32;
 994     if(gMC->IsTrackAlive())       vol[3] += 64;
 995     //
 996     vol[4] = stat0;
 997     if(gMC->IsTrackEntering()){
 998         position0 = position;
 999         stat0 = vol[3];
1000         return;
1001     }else{
1002         new(lhits[fNhits++]) AliITShit(fIshunt,
1003                                    gAlice->GetMCApp()->GetCurrentTrackNumber(),
1004                                        vol,gMC->Edep(),gMC->TrackTime(),
1005                                        position,position0,momentum);
1006     }// end if gMC->IsTrackEntering()
1007     position0 = position;
1008     stat0 = vol[3];
1009
1010     return;
1011 }
1012