ITS/AliITSvSPD02.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 /* $Id$ */
  17
  18 #include <TGeometry.h>
  19 #include <TGeoManager.h>
  20 #include <TNode.h>
  21 #include <TLorentzVector.h>
  22 #include <TClonesArray.h>
  23 #include <TBRIK.h>
  24 #include <TGeoMatrix.h>
  25 #include <TVirtualMC.h>
  26
  27 #include "AliRun.h"
  28 #include "AliMagF.h"
  29 #include "AliTrackReference.h"
  30
  31 #include "AliITShit.h"
  32 #include "AliITS.h"
  33 #include "AliITSvSPD02.h"
  34 #include "AliITSgeom.h"
  35 #include "AliITSgeomSPD.h"
  36 #include "AliITSDetTypeSim.h"
  37 #include "AliITSCalibrationSPD.h"
  38 #include "AliITSsegmentationSPD.h"
  39 #include "AliITSsimulationSPD.h"
  40 #include "AliMC.h"
  41
  42
  43 ///////////////////////////////////////////////////////////////////////
  44 // Step manager and
  45 // geometry class
  46 // for the ITS
  47 // SPD test beam
  48 // geometry of summer 2002
  49 //
  50 ///////////////////////////////////////////////////////////////////////
  51 ClassImp(AliITSvSPD02)
  52
  53 //______________________________________________________________________
  54 AliITSvSPD02::AliITSvSPD02():
  55 AliITS(),
  56 fGeomDetOut(kFALSE),
  57 fGeomDetIn(kFALSE),
  58 fMajorVersion((Int_t)kvSPD02),
  59 fMinorVersion(2),
  60 fGeomNumber(2002),
  61 fEuclidGeomDet(),
  62 fRead(),
  63 fWrite(),
  64 fDet1(300.0),
  65 fDet2(300.0),
  66 fChip1(300.0),
  67 fChip2(300.0),
  68 fIDMother(0),
  69 fIgm(kvSPD02){
  70     ////////////////////////////////////////////////////////////////////////
  71     // Standard default constructor for the ITS SPD test beam 2002 version 1.
  72     // Inputs:
  73     //    none.
  74     // Outputs:
  75     //    none.
  76     // Return:
  77     //    A default created class.
  78     ////////////////////////////////////////////////////////////////////////
  79     Int_t i;
  80
  81     for(i=0;i<60;i++) fRead[i] = '\0';
  82     for(i=0;i<60;i++) fWrite[i] = '\0';
  83     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  84 }
  85 //______________________________________________________________________
  86 AliITSvSPD02::AliITSvSPD02(const char *title,Int_t gn) : AliITS("ITS", title),
  87 fGeomDetOut(kFALSE),
  88 fGeomDetIn(kFALSE),
  89 fMajorVersion(1),
  90 fMinorVersion(2),
  91 fGeomNumber(2002),
  92 fEuclidGeomDet(),
  93 fRead(),
  94 fWrite(),
  95 fDet1(300.0),
  96 fDet2(300.0),
  97 fChip1(300.0),
  98 fChip2(300.0),
  99 fIDMother(0),
 100 fIgm(kvSPD02){
 101     ////////////////////////////////////////////////////////////////////////
 102     //    Standard constructor for the ITS SPD testbeam 2002 version 1.
 103     // Inputs:
 104     //    const char *title    title for this ITS geometry.
 105     //    Int_t      gn        Geometry version number (year) default 2002.
 106     // Outputs:
 107     //    none.
 108     // Return:
 109     //    A standard created class.
 110     ////////////////////////////////////////////////////////////////////////
 111     Int_t i;
 112
 113     fGeomNumber = gn;
 114     fIdN = 2;
 115     fIdName = new TString[fIdN];
 116     fIdName[0] = "IMBS";
 117     fIdName[1] = "ITST";
 118     fIdSens    = new Int_t[fIdN];
 119     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 120     SetThicknessDet1();
 121     SetThicknessDet2();
 122     SetThicknessChip1();
 123     SetThicknessChip2();
 124
 125     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSPD022.euc";
 126     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSPD022.det",60);
 127     strncpy(fRead,fEuclidGeomDet,60);
 128     strncpy(fWrite,fEuclidGeomDet,60);
 129 }
 130 //______________________________________________________________________
 131 AliITSvSPD02::~AliITSvSPD02() {
 132     ////////////////////////////////////////////////////////////////////////
 133     //    Standard destructor for the ITS SPD test beam 2002 version 1.
 134     // Inputs:
 135     //    none.
 136     // Outputs:
 137     //    none.
 138     // Return:
 139     //    none.
 140     ////////////////////////////////////////////////////////////////////////
 141 }
 142 //______________________________________________________________________
 143 void AliITSvSPD02::BuildGeometry(){
 144     ////////////////////////////////////////////////////////////////////////
 145     //    Geometry builder for the ITS SPD test beam 2002 version 1.
 146     //    ALIC    ALICE Mother Volume
 147     //     |- ITSV     ITS Mother Volume
 148     //         |- IDET       Detector under Test
 149     //         |   |- ITS0       SPD Si Chip
 150     //         |   |  |- ITST      SPD Sensitivve Volume
 151     //         |   |- IPC0 *5    Readout chip
 152     //         |- ITEL *4    SPD Telescope
 153     //             |- IMB0       SPD Si Chip
 154     //             |   |- IMBS     SPD 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
 165     switch (fGeomNumber){
 166     case 2002:
 167         BuildGeometry2002();
 168         break;
 169     default:
 170         BuildGeometry2002();
 171         break;
 172     } // end switch
 173 }
 174 //______________________________________________________________________
 175 void AliITSvSPD02::BuildGeometry2002(){
 176     ////////////////////////////////////////////////////////////////////////
 177     //    Geometry builder for the ITS SPD test beam 2002 version 1.
 178     //    ALIC    ALICE Mother Volume
 179     //     |- ITSV     ITS Mother Volume
 180     //         |- IDET       Detector under Test
 181     //         |   |- ITS0       SPD Si Chip
 182     //         |   |  |- ITST      SPD Sensitivve Volume
 183     //         |   |- IPC0 *5    Readout chip
 184     //         |- ITEL *4    SPD Telescope
 185     //             |- IMB0       SPD Si Chip
 186     //             |   |- IMBS     SPD Sensitive volume
 187     //             |- ICMB       Chip MiniBus.
 188     // Inputs:
 189     //    none.
 190     // Outputs:
 191     //    none.
 192     // Return:
 193     //    none.
 194     ////////////////////////////////////////////////////////////////////////
 195     // Get the top alice volume.
 196     TNode *aALIC = gAlice->GetGeometry()->GetNode("alice");
 197     aALIC->cd();
 198
 199     // Define ITS Mother Volume
 200     Float_t data[3];
 201     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 202     Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 203     //Float_t yposition= 0.0;
 204     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
 205                                     90.0,0,0.0,0,90.0,270.0);
 206     data[0] = 10.0;
 207     data[1] = 50.0;
 208     data[2] = 100.0;
 209     TBRIK *iITSVshape = new TBRIK("ITSVshape",
 210                                   "ITS Logical Mother Volume","Air",
 211                                   data[0],data[1],data[2]);
 212     TNode *iITSV = new TNode("ITSV","ITS Mother Volume",iITSVshape,
 213                              0.0,0.0,0.0,0,0);
 214     iITSV->cd(); // set ourselve into ITSV subvolume of aALIC
 215
 216     // SPD part of telescope (MiniBuS)
 217     data[0] = 0.705;
 218     data[1] = 0.5*ddettelescope;
 219     data[2] = 3.536;
 220     TBRIK *iIMB0shape = new TBRIK("IMB0shape","SPD wafer","Si",
 221                                  data[0],data[1],data[2]);
 222     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 223     data[0] = detMiniBusX = 0.64;
 224     data[1] = detMiniBusY = 0.5*ddettelescope;
 225     data[2] = detMiniBusZ = 3.48;
 226     TBRIK *iIMBSshape = new TBRIK("IMBSshape","SPD Sensitive volume","Si",
 227                                  data[0],data[1],data[2]);
 228     Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
 229     data[0] = chipMiniBusX = 0.793;
 230     data[1] = chipMiniBusY = 0.5*dchipMiniBus;
 231     data[2] = chipMiniBusZ = 0.68;
 232     TBRIK *iICMBshape = new TBRIK("ICMBshape","chip Minibus","Si",
 233                                  data[0],data[1],data[2]);
 234     data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
 235     data[1] = detMiniBusY+chipMiniBusY;
 236     data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
 237     TBRIK *iITELshape = new TBRIK("ITELshape","ITELshape","Air",
 238                                  data[0],data[1],data[2]);
 239
 240     // SPD under test
 241     Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
 242     data[0] = 0.705;
 243     data[1] = ddettest;
 244     data[2] = 3.536;
 245     TBRIK *iITS0shape = new TBRIK("ITS0shape","SPD wafer","Si",
 246                                  data[0],data[1],data[2]); // contains detector
 247     data[0] = spdX = 0.64;
 248     data[1] = spdY = ddettest;
 249     data[2] = spdZ = 3.48;
 250     TBRIK *iITSTshape = new TBRIK("ITSTshape","SPD sensitive volume","Si",
 251                                  data[0],data[1],data[2]);
 252     // ITS0 with no translation and unit rotation matrix.
 253     data[0] = spdchipX = 0.793;
 254     data[1] = spdchipY = dchiptest;
 255     data[2] = spdchipZ = 0.68;
 256     TBRIK *iIPC0shape = new TBRIK("IPC0shape","Readout Chips","Si",
 257                                  data[0],data[1],data[2]); // chip under test
 258     data[0] = TMath::Max(spdchipX,spdX);
 259     data[1] = spdY+spdchipY;
 260     data[2] = TMath::Max(spdchipZ,spdZ);
 261     TBRIK *iIDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
 262                                  data[0],data[1],data[2]);
 263     // Place volumes in geometry
 264     Int_t i,j;
 265     char name[20],title[50];
 266     Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0};
 267     pz[1] = pz[0]+2.0;
 268     pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
 269     pz[3] = pz[2]+2.0;
 270     TNode *iITEL[4],*iICMB[4],*iIMB0[4],*iIMBS[4];
 271     TNode *iIDET = new TNode("IDET","Detector Under Test",iIDETshape,
 272                             0.0,0.0,pz[1]+38.0,r0,0);
 273     iIDET->cd();
 274     TNode *iITS0 = new TNode("ITS0","SPD Chip",iITS0shape,
 275                             0.0,iIDETshape->GetDy()-spdY,0.0,0,0);
 276     TNode *iIPC0[5];
 277     for(i=0;i<5;i++) { //place readout chips on the back of SPD chip under test
 278         sprintf(name,"IPC0%d",i);
 279         sprintf(title,"Readout chip #%d",i+1);
 280         j = i-2;
 281         iIPC0[i] = new TNode(name,title,iIPC0shape,
 282                              0.0,spdchipY-iIDETshape->GetDy(),
 283                              j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0);
 284     } // end for i
 285     iITS0->cd();
 286     TNode *iITST = new TNode("ITST","SPD sensitive volume",iITSTshape,
 287                              0.0,0.0,0.0,0,0);
 288     for(Int_t i=0;i<4;i++){
 289         iITSV->cd();
 290         sprintf(name,"ITEL%d",i);
 291         sprintf(title,"Test beam telescope element #%d",i+1);
 292         iITEL[i] = new TNode(name,title,iITELshape,px,py,pz[i],r0,0);
 293         iITEL[i]->cd();
 294         iICMB[i] = new TNode("ICMB","Chip MiniBus",iICMBshape,
 295                              0.0,-iITELshape->GetDy()+detMiniBusY,0.0,0,0);
 296         iIMB0[i] = new TNode("IMB0","Chip MiniBus",iIMB0shape,
 297                              0.0, iITELshape->GetDy()-detMiniBusY,0.0,0,0);
 298         iIMB0[i]->cd();
 299         iIMBS[i] = new TNode("IMBS","IMBS",iIMBSshape,0.0,0.0,0.0,0,0);
 300         // place IMBS inside IMB0 with no translation and unit rotation matrix.
 301     } // end for i
 302     aALIC->cd();
 303     iITST->SetLineColor(kYellow);
 304     fNodes->Add(iITST);
 305     for(i=0;i<4;i++){
 306         iIMBS[i]->SetLineColor(kGreen);
 307         fNodes->Add(iIMBS[i]);
 308     } // end for i
 309 }
 310 //______________________________________________________________________
 311 void AliITSvSPD02::CreateGeometry(){
 312     ////////////////////////////////////////////////////////////////////////
 313     //  This routine defines and Creates the geometry for version 1 of the ITS.
 314     //    ALIC    ALICE Mother Volume
 315     //     |- ITSV     ITS Mother Volume
 316     //         |- IDET       Detector under Test
 317     //         |   |- ITS0       SPD Si Chip
 318     //         |   |  |- ITST      SPD Sensitivve Volume
 319     //         |   |- IPC0 *5    Readout chip
 320     //         |- ITEL *4    SPD Telescope
 321     //             |- IMB0       SPD Si Chip
 322     //             |   |- IMBS     SPD Sensitive volume
 323     //             |- ICMB       Chip MiniBus.
 324     // Inputs:
 325     //    none.
 326     // Outputs:
 327     //    none.
 328     // Return:
 329     //    none.
 330     ////////////////////////////////////////////////////////////////////////
 331
 332     switch (fGeomNumber){
 333     case 2002:
 334         CreateGeometry2002();
 335         break;
 336     default:
 337         CreateGeometry2002();
 338         break;
 339     } // end switch
 340 }
 341 //______________________________________________________________________
 342 void AliITSvSPD02::CreateGeometry2002(){
 343     ////////////////////////////////////////////////////////////////////////
 344     //  This routine defines and Creates the geometry for version 1 of the ITS.
 345     //    ALIC    ALICE Mother Volume
 346     //     |- ITSV     ITS Mother Volume
 347     //         |- IDET       Detector under Test
 348     //         |   |- ITS0       SPD Si Chip
 349     //         |   |  |- ITST      SPD Sensitivve Volume
 350     //         |   |- IPC0 *5    Readout chip
 351     //         |- ITEL *4    SPD Telescope
 352     //             |- IMB0       SPD Si Chip
 353     //             |   |- IMBS     SPD Sensitive volume
 354     //             |- ICMB       Chip MiniBus.
 355     //
 356     //      ITEL ITEL IDET ITEL ITEL
 357     // Z->  -38  -36   02  36.5 38.5
 358     //       |    |     |    |    |
 359     // cpn1  1    2     1    3    4
 360     // Inputs:
 361     //    none.
 362     // Outputs:
 363     //    none.
 364     // Return:
 365     //    none.
 366     ////////////////////////////////////////////////////////////////////////
 367     Float_t data[49];
 368     // Define media off-set
 369     Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
 370     Int_t idrotm[4]; // Array of rotation matrix indexes
 371     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 372     Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 373     Float_t yposition= 0.0;
 374     // These constant character strings are set by cvs during commit
 375     // do not change them unless you know what you are doing!
 376     const Char_t *cvsDate="$Date$";
 377     const Char_t *cvsRevision="$Revision$";
 378
 379     if(gMC==0) return;
 380     // Define Rotation-reflextion Matrixes needed
 381     // 0 is the unit matrix
 382     AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0);
 383     /*
 384     data[0] = 10.0;
 385     data[1] = 50.0;
 386     data[2] = 100.0;
 387     gMC->Gsvolu("ITSV","BOX",idtmed[0],data,3);
 388     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
 389     */
 390     TGeoVolumeAssembly *itsV = gGeoManager->MakeVolumeAssembly("ITSV");
 391     const Int_t length=100;
 392     Char_t vstrng[length];
 393     if(fIgm.WriteVersionString(vstrng,length,(AliITSVersion_t)IsVersion(),
 394                                fMinorVersion,cvsDate,cvsRevision))
 395         itsV->SetTitle(vstrng);
 396     else Error("CreateGeometry","Error writing/setting version string");
 397     TGeoVolume *alic = gGeoManager->GetVolume("ALIC");
 398     if(alic==0) {
 399         Error("CreateGeometry","alic=0");
 400         return;
 401     } // end if
 402     // See idrotm[199] for angle definitions.
 403     alic->AddNode(itsV,1,0);
 404
 405     //cout << "idtmed[0]=" << idtmed[0]<<endl;
 406     //cout << "idtmed[1]=" << idtmed[1]<<endl;
 407     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 408     // SPD part of telescope (MiniBuS)
 409     data[0] = detMiniBusX = 0.705;
 410     data[1] = detMiniBusY = 0.5*ddettelescope;
 411     data[2] = detMiniBusZ = 3.536;
 412     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
 413     data[0] = 0.64;
 414     data[1] = 0.5*ddettelescope;
 415     data[2] = 3.48;
 416     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme
 417     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
 418     // IMB0 with no translation and unit rotation matrix.
 419     Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
 420     data[0] = chipMiniBusX = 0.793;
 421     data[1] = chipMiniBusY = 0.5*dchipMiniBus;
 422     data[2] = chipMiniBusZ = 0.68;
 423     gMC->Gsvolu("ICMB","BOX ",idtmed[1],data, 3);   // chip Minibus
 424     data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
 425     data[1] = detMiniBusY+chipMiniBusY;
 426     data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
 427     gMC->Gsvolu("ITEL","BOX ",idtmed[0],data,3);
 428     gMC->Gspos("IMB0",1,"ITEL",0.0,data[1]-detMiniBusY,0.0,0,"ONLY");
 429     gMC->Gspos("ICMB",1,"ITEL",0.0,-data[1]+chipMiniBusY,0.0,0,"ONLY");
 430
 431     // SPD under test
 432     Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
 433     data[0] = spdX = 0.705;
 434     data[1] = spdY = 0.5*ddettest;
 435     data[2] = spdZ = 3.536;
 436     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
 437     data[0] = 0.64;
 438     data[1] = 0.5*ddettest;
 439     data[2] = 3.48;
 440     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
 441     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
 442     // ITS0 with no translation and unit rotation matrix.
 443     data[0] = spdchipX = 0.793;
 444     data[1] = spdchipY = 0.5*dchiptest;
 445     data[2] = spdchipZ = 0.68;
 446     gMC->Gsvolu("IPC0", "BOX ", idtmed[1],data,3);   // chip under test
 447     data[0] = TMath::Max(spdchipX,spdX);
 448     data[1] = spdY+spdchipY;
 449     data[2] = TMath::Max(spdchipZ,spdZ);
 450     gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3);
 451     gMC->Gspos("ITS0",1,"IDET",0.0,data[1]-spdY,0.0,0,"ONLY");
 452     for(Int_t i=-2;i<3;i++) gMC->Gspos("IPC0",i+3,"IDET",0.0,-data[1]+spdchipY,
 453               i*2.*spdchipZ+i*0.25*(spdZ-5.*spdchipZ),0,"ONLY");
 454
 455     // Positions detectors, Beam Axis Z, X to the right, Y up to the sky.
 456     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
 457     p00X = 0.0;
 458     p00Y = 0.0;
 459     p00Z = -38.0;
 460     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");
 461     p01X = 0.0;
 462     p01Y = 0.0;
 463     p01Z = p00Z+2.0;
 464     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");
 465     Float_t pdetX,pdetY,pdetZ;
 466     pdetX = 0.0;
 467     pdetY = 0.0+yposition;
 468     pdetZ = p01Z+38.0;
 469     gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");
 470     p10X = 0.0;
 471     p10Y = 0.0;
 472     p10Z = pdetZ + 34.5;
 473     gMC->Gspos("ITEL",3,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");
 474     p11X = 0.0;
 475     p11Y = 0.0;
 476     p11Z = p10Z+2.0;
 477     gMC->Gspos("ITEL",4,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");
 478 }
 479 //______________________________________________________________________
 480 void AliITSvSPD02::CreateMaterials(){
 481     ////////////////////////////////////////////////////////////////////////
 482     //
 483     // Create ITS SPD test beam materials
 484     //     This function defines the default materials used in the Geant
 485     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 486     // AliITSvSPD02.
 487     // In general it is automatically replaced by
 488     // the CreateMaterials routine defined in AliITSv?. Should the function
 489     // CreateMaterials not exist for the geometry version you are using this
 490     // one is used. See the definition found in AliITSv5 or the other routine
 491     // for a complete definition.
 492     //
 493     // Inputs:
 494     //    none.
 495     // Outputs:
 496     //    none.
 497     // Return:
 498     //    none.
 499     /////////////////////////////////////////////////////////////////////////
 500
 501     switch (fGeomNumber){
 502     case 2002:
 503         CreateMaterials2002();
 504         break;
 505     default:
 506         CreateMaterials2002();
 507         break;
 508     } // end switch
 509 }
 510 //______________________________________________________________________
 511 void AliITSvSPD02::CreateMaterials2002(){
 512     ////////////////////////////////////////////////////////////////////////
 513     //
 514     // Create ITS SPD test beam materials
 515     //     This function defines the default materials used in the Geant
 516     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 517     // AliITSvSPD02.
 518     // In general it is automatically replaced by
 519     // the CreateMaterials routine defined in AliITSv?. Should the function
 520     // CreateMaterials not exist for the geometry version you are using this
 521     // one is used. See the definition found in AliITSv5 or the other routine
 522     // for a complete definition.
 523     //
 524     // Inputs:
 525     //    none.
 526     // Outputs:
 527     //    none.
 528     // Return:
 529     //    none.
 530     /////////////////////////////////////////////////////////////////////////
 531     Float_t tmaxfdSi = 0.1; // Degree
 532     Float_t stemaxSi = 0.0075; // cm
 533     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
 534     Float_t epsilSi  = 1.0E-4;//
 535     Float_t stminSi  = 0.0; // cm "Default value used"
 536
 537     Float_t tmaxfdAir = 0.1; // Degree
 538     Float_t stemaxAir = .10000E+01; // cm
 539     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
 540     Float_t epsilAir  = 1.0E-4;//
 541     Float_t stminAir  = 0.0; // cm "Default value used"
 542     Int_t   ifield = gAlice->Field()->Integ();
 543     Float_t fieldm = gAlice->Field()->Max();
 544
 545     AliMaterial(1,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,
 546                 0.30423E+05,0.99900E+03);
 547     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
 548               epsilAir,stminAir);
 549
 550     AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,
 551                 0.93600E+01,0.99900E+03);
 552     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 553               epsilSi,stminSi);
 554 }
 555 //______________________________________________________________________
 556 void AliITSvSPD02::Init(){
 557     //     Initialise the ITS after it has been created.
 558     // Inputs:
 559     //   none.
 560     // Outputs:
 561     //   none.
 562     // Return:
 563     //   none.
 564
 565     AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
 566                  fMinorVersion));
 567     //
 568     UpdateInternalGeometry();
 569     AliITS::Init();
 570     if(fGeomDetOut) GetITSgeom()->WriteNewFile(fWrite);
 571
 572     //
 573     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
 574
 575 }
 576 /*
 577 //______________________________________________________________________
 578 void AliITSvSPD02::SetDefaults(){
 579     // sets the default segmentation, response, digit and raw cluster classes
 580     // Inputs:
 581     //    none.
 582     // Outputs:
 583     //    none.
 584     // Return:
 585     //    none.
 586     const Float_t kconv = 1.0e+04; // convert cm to microns
 587
 588     Info("SetDefaults","Setting up only SPD detector");
 589
 590     if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 591     fDetTypeSim->SetITSgeom(GetITSgeom());
 592     AliITSgeomSPD  *s0;
 593     Int_t i;
 594     Float_t bx[256],bz[280];
 595     fDetTypeSim->ResetCalibrationArray();
 596     fDetTypeSim->ResetSegmentation();
 597
 598     //SPD
 599     // Get shape info. Do it this way for now.
 600     s0 = (AliITSgeomSPD*) GetITSgeom()->GetShape(kSPD);
 601     AliITSCalibration *resp0=new AliITSCalibrationSPD();
 602     resp0->SetTemperature();
 603     resp0->SetDistanceOverVoltage();
 604     SetCalibrationModel(0,resp0);
 605
 606     AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD();
 607     seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
 608                      s0->GetDz()*2.*kconv, // for now.
 609                      s0->GetDy()*2.*kconv); // x,z,y full width in microns.
 610     seg0->SetNPads(256,160);// Number of Bins in x and z
 611     for(i=000;i<256;i++) bx[i] =  50.0; // in x all are 50 microns.
 612     for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
 613     for(i=160;i<280;i++) bz[i] =   0.0; // Outside of detector.
 614     bz[ 31] = bz[ 32] = 625.0; // first chip boundry
 615     bz[ 63] = bz[ 64] = 625.0; // first chip boundry
 616     bz[ 95] = bz[ 96] = 625.0; // first chip boundry
 617     bz[127] = bz[128] = 625.0; // first chip boundry
 618     bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
 619     seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
 620     SetSegmentationModel(kSPD,seg0);
 621     // set digit and raw cluster classes to be used
 622     const char *kData0=(fDetTypeSim->GetCalibrationModel(0))->DataType();
 623     if (strstr(kData0,"real")) fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigit");
 624     else fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
 625 //    SetSimulationModel(kSPD,new AliITSsimulationSPDdubna(seg0,resp0));
 626 //    iDetType->ReconstructionModel(new AliITSClusterFinderSPD());
 627
 628
 629 //    SetResponseModel(kSDD,new AliITSCalibrationSDD());
 630 //    SetSegmentationModel(kSDD,new AliITSsegmentationSDD());
 631 //    DetType(kSDD)->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
 632
 633 //    SetResponseModel(kSSD,new AliITSCalibrationSSD());
 634 //    SetSegmentationModel(kSSD,new AliITSsegmentationSSD());
 635 //    DetType(kSSD)->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
 636
 637     if(fgkNTYPES>3){
 638         Warning("SetDefaults",
 639                 "Only the four basic detector types are initialised!");
 640     }// end if
 641     return;
 642 }
 643 //______________________________________________________________________
 644 void AliITSvSPD02::SetDefaultSimulation(){
 645     // sets the default simulation.
 646     // Inputs:
 647     //      none.
 648     // Outputs:
 649     //      none.
 650     // Return:
 651     //      none.
 652
 653   if(GetITSgeom()==0){
 654     Warning("SetDefaultSimulation","ITS geometry is null!");
 655     return;
 656   }
 657
 658   if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
 659   AliITSsimulation *sim;
 660   //AliITSsegmentation *seg;
 661   //AliITSCalibration *res;
 662   if(fDetTypeSim){
 663     sim = fDetTypeSim->GetSimulationModel(kSPD);
 664     if (!sim) {
 665       //seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD);
 666       //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSPD());
 667       sim = new AliITSsimulationSPD(fDetTypeSim);
 668       SetSimulationModel(kSPD,sim);
 669     }else{ // simulation exists, make sure it is set up properly.
 670       sim->SetCalibrationModel(GetITSgeom()->GetStartSPD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSPD()));
 671       sim->SetSegmentationModel(kSPD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD));
 672       sim->Init();
 673     } // end if
 674   } // end if iDetType
 675
 676 //      if(fDetTypeSim){
 677 //        sim = fDetTypeSim->GetSimulationModel(kSDD);
 678 //        if (!sim) {
 679 //            seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD);
 680 //            res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD());
 681 //            sim = new AliITSsimulationSDD(seg,res);
 682 //           SetSimulationModel(kSDD,sim);
 683 //        }else{ // simulation exists, make sure it is set up properly.
 684 //        sim->SetResponseModel((AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD()));
 685 //        sim->SetSegmentationModel((AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD));
 686 //        sim->Init();
 687 //        } //end if
 688 //    } // end if iDetType
 689 //    if(fDetTypeSim){
 690 //        sim = fDetTypeSim->GetSimulationModel(kSSD);
 691 //        if (!sim) {
 692 //            seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD);
 693 //            res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD());
 694 //            sim = new AliITSsimulationSSD(seg,res);
 695 //            SetSimulationModel(kSSD,sim);
 696 //        }else{ // simulation exists, make sure it is set up properly.
 697 //        sim->SetResponseModel((AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD()));
 698 //        sim->SetSegmentationModel((AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD));
 699 //        sim->Init();
 700 //        } // end if
 701 //    } //
 702 }
 703 */
 704 //______________________________________________________________________
 705 void AliITSvSPD02::DrawModule() const {
 706     ////////////////////////////////////////////////////////////////////////
 707     //     Draw a shaded view of the ITS SPD test beam version 1.
 708     // Inputs:
 709     //    none.
 710     // Outputs:
 711     //    none.
 712     // Return:
 713     //    none.
 714     ////////////////////////////////////////////////////////////////////////
 715     // Set everything unseen
 716     gMC->Gsatt("*", "seen", -1);
 717     // Set ALIC mother visible
 718     gMC->Gsatt("ALIC","SEEN",0);
 719     // Set ALIC ITS visible
 720     gMC->Gsatt("ITSV","SEEN",0);
 721     // Set ALIC Telescopes visible
 722     gMC->Gsatt("ITEL","SEEN",0);
 723     // Set ALIC detetcor visible
 724     gMC->Gsatt("IDET","SEEN",0);
 725     // Set Detector chip mother visible and drawn
 726     gMC->Gsatt("IPC0","SEEN",1);
 727     // Set Detector mother visible and drawn
 728     gMC->Gsatt("ITS0","SEEN",1);
 729     // Set minibus chip mother visible and drawn
 730     gMC->Gsatt("ICMB","SEEN",1);
 731     // Set minibus mother visible and drawn
 732     gMC->Gsatt("IMB0","SEEN",1);
 733 }
 734 //______________________________________________________________________
 735 void AliITSvSPD02::StepManager(){
 736     ////////////////////////////////////////////////////////////////////////
 737     //    Called for every step in the ITS SPD test beam, then calles the
 738     // AliITShit class  creator with the information to be recoreded about
 739     //  that hit.
 740     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 741     // printing of information to a file which can be used to create a .det
 742     // file read in by the routine CreateGeometry(). If set to 0 or any other
 743     // value except 1, the default behavior, then no such file is created nor
 744     // it the extra variables and the like used in the printing allocated.
 745     // Inputs:
 746     //    none.
 747     // Outputs:
 748     //    none.
 749     // Return:
 750     //    none.
 751     ////////////////////////////////////////////////////////////////////////
 752
 753     if(!(this->IsActive())){
 754         return;
 755     } // end if !Active volume.
 756     if(!(gMC->TrackCharge())) return;
 757
 758     Int_t cpy0=0,cpy1=0,id,mod,ncpys,status;
 759     TLorentzVector position, momentum;
 760     static AliITShit hit;// Saves on calls to construtors
 761     //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
 762     TClonesArray &lhits = *(Hits());
 763     //
 764     // Track status
 765     // Track status
 766     status = 0;
 767     if(gMC->IsTrackInside())      status +=  1;
 768     if(gMC->IsTrackEntering())    status +=  2;
 769     if(gMC->IsTrackExiting())     status +=  4;
 770     if(gMC->IsTrackOut())         status +=  8;
 771     if(gMC->IsTrackDisappeared()) status += 16;
 772     if(gMC->IsTrackStop())        status += 32;
 773     if(gMC->IsTrackAlive())       status += 64;
 774     //
 775     // Fill hit structure.
 776     id = gMC->CurrentVolID(cpy0);
 777     if(id==fIdSens[0]){  // Volume name "IMBS". Det=1, ladder=1
 778         ncpys = 4;
 779     } else if(id == fIdSens[1]){ // Volume name "ITST"
 780         ncpys = 1;
 781     } else return; // end if
 782     id = gMC->CurrentVolOffID(2,cpy1);
 783     fIgm.DecodeDetector(mod,ncpys,cpy0,cpy1,0);
 784     //
 785     // Fill hit structure.
 786     //
 787     hit.SetModule(mod);
 788     hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
 789     gMC->TrackPosition(position);
 790     gMC->TrackMomentum(momentum);
 791     hit.SetPosition(position);
 792     hit.SetTime(gMC->TrackTime());
 793     hit.SetMomentum(momentum);
 794     hit.SetStatus(status);
 795     hit.SetEdep(gMC->Edep());
 796     hit.SetShunt(GetIshunt());
 797     if(gMC->IsTrackEntering()){
 798         hit.SetStartPosition(position);
 799         hit.SetStartTime(gMC->TrackTime());
 800         hit.SetStartStatus(status);
 801         return; // don't save entering hit.
 802     } // end if IsEntering
 803     // Fill hit structure with this new hit.
 804     //Info("StepManager","Calling Copy Constructor");
 805     new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
 806     // Save old position... for next hit.
 807     hit.SetStartPosition(position);
 808     hit.SetStartTime(gMC->TrackTime());
 809     hit.SetStartStatus(status);
 810     return;
 811 }
 812