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 #include <Riostream.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <TMath.h>
  24 #include <TGeometry.h>
  25 #include <TNode.h>
  26 #include <TTUBE.h>
  27 #include <TTUBS.h>
  28 #include <TPCON.h>
  29 #include <TFile.h>    // only required for Tracking function?
  30 #include <TCanvas.h>
  31 #include <TObjArray.h>
  32 #include <TLorentzVector.h>
  33 #include <TObjString.h>
  34 #include <TClonesArray.h>
  35 #include <TBRIK.h>
  36 #include <TSystem.h>
  37 #include <TVirtualMC.h>
  38
  39 #include "AliMC.h"
  40 #include "AliRun.h"
  41 #include "AliMagF.h"
  42 #include "AliConst.h"
  43 #include "AliITSGeant3Geometry.h"
  44 #include "AliTrackReference.h"
  45 #include "AliITShit.h"
  46 #include "AliITS.h"
  47 #include "AliITSvSDD03.h"
  48 #include "AliITSgeom.h"
  49 #include "AliITSgeomSPD.h"
  50 #include "AliITSgeomSDD.h"
  51 #include "AliITSgeomSSD.h"
  52 #include "AliITSDetType.h"
  53 #include "AliITSresponseSPD.h"
  54 #include "AliITSresponseSDD.h"
  55 #include "AliITSresponseSSD.h"
  56 #include "AliITSsegmentationSPD.h"
  57 #include "AliITSsegmentationSDD.h"
  58 #include "AliITSsegmentationSSD.h"
  59 #include "AliITSsimulationSPD.h"
  60 #include "AliITSsimulationSDD.h"
  61 #include "AliITSsimulationSSD.h"
  62 #include "AliITSClusterFinderSPD.h"
  63 #include "AliITSClusterFinderSDD.h"
  64 #include "AliITSClusterFinderSSD.h"
  65
  66
  67 ClassImp(AliITSvSDD03)
  68
  69 //______________________________________________________________________
  70 AliITSvSDD03::AliITSvSDD03() {
  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     fGeomDetOut   = kFALSE; // Don't write .det file
  87     fGeomDetIn    = kFALSE; // Don't Read .det file
  88     fMajorVersion = IsVersion();
  89     fMinorVersion = -1;
  90     for(i=0;i<60;i++) fRead[i] = '\0';
  91     for(i=0;i<60;i++) fWrite[i] = '\0';
  92     for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  93 }
  94 //______________________________________________________________________
  95 AliITSvSDD03::AliITSvSDD03(const char *title) : AliITS("ITS", title){
  96     ////////////////////////////////////////////////////////////////////////
  97     //    Standard constructor for the ITS SDD testbeam 2002 version 1.
  98     // Inputs:
  99     //    const char *title    title for this ITS geometry.
 100     // Outputs:
 101     //    none.
 102     // Return:
 103     //    A standard created class.
 104     ////////////////////////////////////////////////////////////////////////
 105     Int_t i;
 106
 107     fIdN = 2;
 108     fIdName = new TString[fIdN];
 109     fIdName[0] = "IMBS";
 110     fIdName[1] = "ITST";
 111     fIdSens    = new Int_t[fIdN];
 112     for(i=0;i<fIdN;i++) fIdSens[i] = 0;
 113     fMajorVersion = IsVersion();
 114     fMinorVersion = 2;
 115     fEuclidOut    = kFALSE; // Don't write Euclide file
 116     fGeomDetOut   = kFALSE; // Don't write .det file
 117     fGeomDetIn    = kFALSE; // Don't Read .det file
 118     SetThicknessDet1();
 119     SetThicknessDet2();
 120     SetThicknessChip1();
 121     SetThicknessChip2();
 122
 123     fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSDD032.euc";
 124     strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSDD032.det",60);
 125     strncpy(fRead,fEuclidGeomDet,60);
 126     strncpy(fWrite,fEuclidGeomDet,60);
 127 }
 128 //______________________________________________________________________
 129 AliITSvSDD03::AliITSvSDD03(const AliITSvSDD03 &source) : AliITS(source){
 130     ////////////////////////////////////////////////////////////////////////
 131     //     Copy Constructor for ITS SDD test beam 2002 version 1.
 132     // This class is not to be copied. Function only dummy.
 133     // Inputs:
 134     //    const AliITSvSDD03 &source   The class to be copied
 135     // Outputs:
 136     //    none.
 137     // Return:
 138     //    A warning message.
 139     ////////////////////////////////////////////////////////////////////////
 140     if(&source == this) return;
 141     Warning("Copy Constructor","Not allowed to copy AliITSvSDD03");
 142     return;
 143 }
 144 //______________________________________________________________________
 145 AliITSvSDD03& AliITSvSDD03::operator=(const AliITSvSDD03 &source){
 146     ////////////////////////////////////////////////////////////////////////
 147     //    Assignment operator for the ITS SDD test beam 2002 version 1.
 148     // This class is not to be copied. Function only dummy.
 149     // Inputs:
 150     //    const AliITSvSDD03 &source   The class to be copied
 151     // Outputs:
 152     //    none.
 153     // Return:
 154     //    A Warning message
 155     ////////////////////////////////////////////////////////////////////////
 156     if(&source == this) return *this;
 157     Warning("= operator","Not allowed to copy AliITSvSDD03");
 158     return *this;
 159 }
 160 //______________________________________________________________________
 161 AliITSvSDD03::~AliITSvSDD03() {
 162     ////////////////////////////////////////////////////////////////////////
 163     //    Standard destructor for the ITS SDD test beam 2002 version 1.
 164     // Inputs:
 165     //    none.
 166     // Outputs:
 167     //    none.
 168     // Return:
 169     //    none.
 170     ////////////////////////////////////////////////////////////////////////
 171 }
 172 //______________________________________________________________________
 173 void AliITSvSDD03::BuildGeometry(){
 174     ////////////////////////////////////////////////////////////////////////
 175     //    Geometry builder for the ITS SDD test beam 2002 version 1.
 176     //    ALIC    ALICE Mother Volume
 177     //     |- ITSV     ITS Mother Volume
 178     //         |- IDET       Detector under Test
 179     //         |   |- ITS0       SDD Si Chip
 180     //         |   |  |- ITST      SDD Sensitivve Volume
 181     //         |   |- IPC0 *5    Readout chip
 182     //         |- ITEL *4    SDD Telescope
 183     //             |- IMB0       SDD Si Chip
 184     //             |   |- IMBS     SDD Sensitive volume
 185     //             |- ICMB       Chip MiniBus.
 186     // Inputs:
 187     //    none.
 188     // Outputs:
 189     //    none.
 190     // Return:
 191     //    none.
 192     ////////////////////////////////////////////////////////////////////////
 193     // Get the top alice volume.
 194     TNode *ALIC = gAlice->GetGeometry()->GetNode("alice");
 195     ALIC->cd();
 196
 197     // Define ITS Mother Volume
 198     Float_t data[3];
 199     Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
 200     Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
 201     //Float_t yposition= 0.0;
 202     TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
 203                                     90.0,0,0.0,0,90.0,270.0);
 204     data[0] = 10.0;
 205     data[1] = 50.0;
 206     data[2] = 100.0;
 207     TBRIK *ITSVshape = new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
 208                                  data[0],data[1],data[2]);
 209     TNode *ITSV = new TNode("ITSV","ITS Mother Volume",ITSVshape,
 210                             0.0,0.0,0.0,0,0);
 211     ITSV->cd(); // set ourselve into ITSV subvolume of ALIC
 212
 213     // SDD part of telescope (MiniBuS)
 214     data[0] = 0.705;
 215     data[1] = 0.5*ddettelescope;
 216     data[2] = 3.536;
 217     TBRIK *IMB0shape = new TBRIK("IMB0shape","SDD wafer","Si",
 218                                  data[0],data[1],data[2]);
 219     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 220     data[0] = detMiniBusX = 0.64;
 221     data[1] = detMiniBusY = 0.5*ddettelescope;
 222     data[2] = detMiniBusZ = 3.48;
 223     TBRIK *IMBSshape = new TBRIK("IMBSshape","SDD Sensitive volume","Si",
 224                                  data[0],data[1],data[2]);
 225     Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
 226     data[0] = chipMiniBusX = 0.793;
 227     data[1] = chipMiniBusY = 0.5*dchipMiniBus;
 228     data[2] = chipMiniBusZ = 0.68;
 229     TBRIK *ICMBshape = new TBRIK("ICMBshape","chip Minibus","Si",
 230                                  data[0],data[1],data[2]);
 231     data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
 232     data[1] = detMiniBusY+chipMiniBusY;
 233     data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
 234     TBRIK *ITELshape = new TBRIK("ITELshape","ITELshape","Air",
 235                                  data[0],data[1],data[2]);
 236
 237     // SDD under test
 238     Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
 239     data[0] = 0.705;
 240     data[1] = ddettest;
 241     data[2] = 3.536;
 242     TBRIK *ITS0shape = new TBRIK("ITS0shape","SDD wafer","Si",
 243                                  data[0],data[1],data[2]); // contains detector
 244     data[0] = spdX = 0.64;
 245     data[1] = spdY = ddettest;
 246     data[2] = spdZ = 3.48;
 247     TBRIK *ITSTshape = new TBRIK("ITSTshape","SDD sensitive volume","Si",
 248                                  data[0],data[1],data[2]);
 249     // ITS0 with no translation and unit rotation matrix.
 250     data[0] = spdchipX = 0.793;
 251     data[1] = spdchipY = dchiptest;
 252     data[2] = spdchipZ = 0.68;
 253     TBRIK *IPC0shape = new TBRIK("IPC0shape","Readout Chips","Si",
 254                                  data[0],data[1],data[2]); // chip under test
 255     data[0] = TMath::Max(spdchipX,spdX);
 256     data[1] = spdY+spdchipY;
 257     data[2] = TMath::Max(spdchipZ,spdZ);
 258     TBRIK *IDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
 259                                  data[0],data[1],data[2]);
 260     // Place volumes in geometry
 261     Int_t i,j;
 262     char name[20],title[50];
 263     Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0};
 264     pz[1] = pz[0]+2.0;
 265     pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
 266     pz[3] = pz[2]+2.0;
 267     TNode *ITEL[4],*ICMB[4],*IMB0[4],*IMBS[4];
 268     TNode *IDET = new TNode("IDET","Detector Under Test",IDETshape,
 269                             0.0,0.0,pz[1]+38.0,r0,0);
 270     IDET->cd();
 271     TNode *ITS0 = new TNode("ITS0","SDD Chip",ITS0shape,
 272                             0.0,IDETshape->GetDy()-spdY,0.0,0,0);
 273     TNode *IPC0[5];
 274     for(i=0;i<5;i++) { //place readout chips on the back of SDD chip under test
 275         sprintf(name,"IPC0%d",i);
 276         sprintf(title,"Readout chip #%d",i+1);
 277         j = i-2;
 278         IPC0[i] = new TNode(name,title,IPC0shape,
 279                             0.0,spdchipY-IDETshape->GetDy(),
 280                             j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0);
 281     } // end for i
 282     ITS0->cd();
 283     TNode *ITST = new TNode("ITST","SDD sensitive volume",ITSTshape,
 284                             0.0,0.0,0.0,0,0);
 285     for(Int_t i=0;i<4;i++){
 286         ITSV->cd();
 287         sprintf(name,"ITEL%d",i);
 288         sprintf(title,"Test beam telescope element #%d",i+1);
 289         ITEL[i] = new TNode(name,title,ITELshape,px,py,pz[i],r0,0);
 290         ITEL[i]->cd();
 291         ICMB[i] = new TNode("ICMB","Chip MiniBus",ICMBshape,
 292                             0.0,-ITELshape->GetDy()+detMiniBusY,0.0,0,0);
 293         IMB0[i] = new TNode("IMB0","Chip MiniBus",IMB0shape,
 294                             0.0, ITELshape->GetDy()-detMiniBusY,0.0,0,0);
 295         IMB0[i]->cd();
 296         IMBS[i] = new TNode("IMBS","IMBS",IMBSshape,0.0,0.0,0.0,0,0);
 297         // place IMBS inside IMB0 with no translation and unit rotation matrix.
 298     } // end for i
 299     ALIC->cd();
 300     ITST->SetLineColor(kYellow);
 301     fNodes->Add(ITST);
 302     for(i=0;i<4;i++){
 303         IMBS[i]->SetLineColor(kGreen);
 304         fNodes->Add(IMBS[i]);
 305     } // end for i
 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 (box containing 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=0.001;
 337
 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], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SSD Y
 342     data[0] = 100.0*kmm;
 343     data[1] = 100.0*kmm;
 344     data[2] = 800.0*kmm;
 345     gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
 346     gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
 347
 348     //cout << "idtmed[0]=" << idtmed[0]<<endl;
 349     //cout << "idtmed[1]=" << idtmed[1]<<endl;
 350     // Crossed sintilator triggers (2 in front 2 in back)
 351     AliMatrix(idrotm[2],90.0,0.0,90.0,90.0,90.0,0.0);//Rotate about Z 90 degree
 352     data[0] = 10.0*kcm;
 353     data[1] = 2.0*kcm;
 354     data[2] = 2.0*kmm;
 355     gMC->Gsvolu("ISNT","BOX ",idtmed[3],data,3);
 356     gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,800.0*kmm+data[2],0,"ONLY");
 357     gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,800.0*kmm,idrotm[2],"ONLY");
 358     gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,-800.0*kmm,0,"ONLY");
 359     gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,-800.0*kmm-data[2],idrotm[2],"ONLY");
 360     Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
 361     // SSD part of telescope (MiniBuS)
 362     data[0] = detMiniBusX = 10600.0*kmicm;
 363     data[1] = detMiniBusY = 0.0150*kcm;
 364     data[2] = detMiniBusZ = 1.1*kcm;
 365     gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3);   // contains detector
 366     data[0] = 0.5*384*50*kmicm;
 367     data[1] = 0.1499*kcm;
 368     data[2] = 1.0*kcm;
 369     gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme
 370     gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
 371     // Box containing SSD's
 372     data[0] = 4.0*kcm;
 373     data[1] = 0.500*kcm;
 374     data[2] = 5.0*kcm;
 375     gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
 376     // Plastic box size = insize + thickness.
 377     data[0] = data[0] + 2.0*kmm;
 378     data[1] = data[1] + 200.0*kmicm;
 379     data[2] = data[2] + 2.0*kmm;
 380     gMC->Gsvolu("ITEL","BOX ",idtmed[4],data,3);
 381     gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
 382     gMC->Gspos("IMB0",1,"ITAI",0.0,data[1]-detMiniBusY,0.0,0,"ONLY");
 383
 384     // SDD under test
 385     Float_t sddX,sddY,sddZ;
 386     data[0] = sddX = 3.62500*kcm;
 387     data[1] = sddY = 0.01500*kcm;
 388     data[2] = sddZ = 4.37940*kcm;
 389     gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3);   // contains detector
 390     data[0] = 3.50860*kcm;
 391     data[1] = 0.01499*kcm;
 392     data[2] = 3.76320*kcm;
 393     gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
 394     gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
 395     // Box containing SDD under test
 396     data[0] = 4.0*kcm;
 397     data[1] = 0.5*kcm;
 398     data[2] = 5.0*kcm;
 399     gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
 400     data[0] = data[0] + 2.0*kmm;
 401     data[1] = data[1] + 200.0*kmicm;
 402     data[2] = data[2] = 2.0*kmm;
 403     gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3);
 404     gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
 405     gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
 406
 407     // Positions detectors, Beam Axis Z, X to the right, Y up to the sky.
 408     Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
 409     p00X = 0.0*kcm;
 410     p00Y = 0.0*kcm;
 411     p00Z = -694*kmm;
 412     gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
 413     p01X = 0.0*kcm;
 414     p01Y = 0.0*kcm;
 415     p01Z = -684*kmm;
 416     gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 417     p01X = 0.0*kcm;
 418     p01Y = 0.0*kcm;
 419     p01Z = -612*kmm;
 420     gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
 421     p01X = 0.0*kcm;
 422     p01Y = 0.0*kcm;
 423     p01Z = -602*kmm;
 424     Float_t pdetX,pdetY,pdetZ;
 425     gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
 426     pdetX = 0.0*kcm;
 427     pdetY = 0.0*kcm;
 428     pdetZ = 0.0*kcm;
 429     gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");// Detecor
 430     p10X = 0.0*kcm;
 431     p10Y = 0.0*kcm;
 432     p10Z = +450.0*kmm;
 433     gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
 434     p11X = 0.0*kcm;
 435     p11Y = 0.0*kcm;
 436     p11Z = +460.0*kcm;
 437     gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 438     p11X = 0.0*kcm;
 439     p11Y = 0.0*kcm;
 440     p11Z = +540.0*kcm;
 441     gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 442     p11X = 0.0*kcm;
 443     p11Y = 0.0*kcm;
 444     p11Z = +550.0*kcm;
 445     gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 446     p11X = 0.0*kcm;
 447     p11Y = 0.0*kcm;
 448     p11Z = +737.0*kcm;
 449     gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
 450     p11X = 0.0*kcm;
 451     p11Y = 0.0*kcm;
 452     p11Z = +747.0*kcm;
 453     gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
 454 }
 455 //______________________________________________________________________
 456 void AliITSvSDD03::CreateMaterials(){
 457     ////////////////////////////////////////////////////////////////////////
 458     //
 459     // Create ITS SDD test beam materials
 460     //     This function defines the default materials used in the Geant
 461     // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
 462     // AliITSvSDD03.
 463     // In general it is automatically replaced by
 464     // the CreatMaterials routine defined in AliITSv?. Should the function
 465     // CreateMaterials not exist for the geometry version you are using this
 466     // one is used. See the definition found in AliITSv5 or the other routine
 467     // for a complete definition.
 468     //
 469     // Inputs:
 470     //    none.
 471     // Outputs:
 472     //    none.
 473     // Return:
 474     //    none.
 475     /////////////////////////////////////////////////////////////////////////
 476     Float_t tmaxfdSi = 0.1; // Degree
 477     Float_t stemaxSi = 0.0075; // cm
 478     Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
 479     Float_t epsilSi  = 1.0E-4;//
 480     Float_t stminSi  = 0.0; // cm "Default value used"
 481
 482     Float_t tmaxfdAir = 0.1; // Degree
 483     Float_t stemaxAir = .10000E+01; // cm
 484     Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
 485     Float_t epsilAir  = 1.0E-4;//
 486     Float_t stminAir  = 0.0; // cm "Default value used"
 487     Int_t   ifield = gAlice->Field()->Integ();
 488     Float_t fieldm = gAlice->Field()->Max();
 489     //
 490     const Float_t kgpcm3=1.0,kcm=1.0;
 491     //
 492     Float_t z[10],a[10],w[10];
 493
 494     z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80;
 495     z[1] = 8.0; a[1] = 15.99940; w[1] = 0.20;
 496     AliMixture(1,"AIR$",a,z,0.12050E-02*kgpcm3,2,w);
 497     AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
 498               epsilAir,stminAir);
 499
 500     AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,
 501                 0.93600E+01*kcm,0.99900E+03);
 502     AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 503               epsilSi,stminSi);
 504     // sintilator is basicaly polystyrene
 505     z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80;
 506     AliMixture(3,"Sintilator$",a,z,1.032*kgpcm3,0,w);
 507     AliMedium(3,"Sintilator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 508               epsilSi,stminSi);
 509     // assumed to be Lucite/Plexiglas
 510     z[0] = 7.0; a[0] = 14.00674; w[0] = 0.80;
 511     AliMixture(4,"PlasticBox$",a,z,1.18*kgpcm3,0,w);
 512     AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
 513               epsilSi,stminSi);
 514 }
 515 //______________________________________________________________________
 516 void AliITSvSDD03::InitAliITSgeom(){
 517     //     Based on the geometry tree defined in Geant 3.21, this
 518     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
 519     // sturture.
 520     // Inputs:
 521     //    none.
 522     // Outputs:
 523     //    none.
 524     // Return:
 525     //    none.
 526     if(strcmp(gMC->GetName(),"TGeant3")) {
 527         Error("InitAliITSgeom",
 528                 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
 529         return;
 530     } // end if
 531     cout << "Reading Geometry transformation directly from Geant 3." << endl;
 532     const Int_t np=384;
 533     const Float_t pitch=50.E-4;/*cm*/
 534     Float_t box[3]={0.5*pitch*(Float_t)np,150.E-4,1.0},p[np],n[np];
 535     const Int_t ltypess = 2;
 536     const Int_t nlayers = 6;
 537     const Int_t ndeep = 6;
 538     Int_t itsGeomTreeNames[ltypess][ndeep],lnam[20],lnum[20];
 539     Int_t nlad[nlayers],ndet[nlayers];
 540     Double_t t[3],r[10];
 541     Float_t  par[20],att[20];
 542     Int_t    npar,natt,idshape,imat,imed;
 543     AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
 544     Int_t mod,typ,lay,lad,det,cpy,i,j,k;
 545     Char_t names[ltypess][ndeep][4];
 546     Int_t itsGeomTreeCopys[ltypess][ndeep];
 547     Char_t *namesA[ltypess][ndeep] = {
 548      {"ALIC","ITSV","ITEL","ITIA","IMB0","IMBS"}, // lay=5
 549      {"ALIC","ITSV","IDET","IDAI","ITS0","ITST"}};// Test SDD
 550     Int_t itsGeomTreeCopysA[ltypess][ndeep]= {{1,1,10,1,1,1},// lay=5
 551                                               {1,1,1,1,1,1}};//lay=3 TestSDD
 552     for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++){
 553         for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
 554         itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
 555     } // end for i,j
 556     for(i=0;i<np;i++){// Fill in anode and cathode strip locations (lower edge)
 557         p[i] = 0.5*pitch*(Float_t)np + pitch*(Float_t)i;
 558         n[i] = pitch*(Float_t)np - p[i];
 559     } // end for i
 560     // Sorry, but this is not very pritty code. It should be replaced
 561     // at some point with a version that can search through the geometry
 562     // tree its self.
 563     cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
 564     for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
 565     for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++)
 566         strncpy((char*) &itsGeomTreeNames[i][j],names[i][j],4);
 567     //  itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
 568     mod = 5;
 569     if(fITSgeom!=0) delete fITSgeom;
 570     nlad[0]=1;nlad[1]=1;nlad[2]=1;nlad[3]=1;nlad[4]=1;
 571     ndet[0]=1;ndet[1]=1;ndet[2]=1;ndet[3]=1;ndet[4]=1;
 572     fITSgeom = new AliITSgeom(0,nlayers,nlad,ndet,mod);
 573     for(typ=1;typ<=ltypess;typ++){
 574         for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[typ-1][j];
 575         for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[typ-1][j];
 576         lad = 1;
 577         det = 1;
 578         for(cpy=1;cpy<=itsGeomTreeCopys[typ-1][2];cpy++){
 579             lnum[2] = cpy;
 580             lay = cpy;
 581             if(cpy>2 && typ==1) lay = cpy +1;
 582             if(typ==2) lay = 3;
 583             mod = lay-1;
 584             ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,par,att,
 585                             imat,imed);
 586             if(!(fITSgeom->IsShapeDefined((Int_t)kSDD)))if(typ==1){
 587                 fITSgeom->CreatMatrix(mod,lay,lad,det,kSDD,t,r);
 588                 fITSgeom->ReSetShape(kSDD,new AliITSgeomSDD256(npar,par));
 589             }else{
 590                 fITSgeom->CreatMatrix(mod,lay,lad,det,kSSD,t,r);
 591                 fITSgeom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
 592                                                             np+1,p,np+1,n));
 593             } // end if
 594         } // end for cpy
 595     } // end for typ
 596     return;
 597 }
 598 //______________________________________________________________________
 599 void AliITSvSDD03::Init(){
 600     ////////////////////////////////////////////////////////////////////////
 601     //     Initialise the ITS after it has been created.
 602     // Inputs:
 603     //    none.
 604     // Outputs:
 605     //    none.
 606     // Return:
 607     //    none.
 608     ////////////////////////////////////////////////////////////////////////
 609     Int_t i;
 610
 611     cout << endl;
 612     for(i=0;i<26;i++) cout << "*";
 613     cout << " AliITSvSDD03" << fMinorVersion << "_Init ";
 614     for(i=0;i<25;i++) cout << "*";cout << endl;
 615 //
 616     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
 617     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
 618     if(fITSgeom!=0) delete fITSgeom;
 619     fITSgeom = new AliITSgeom();
 620     if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
 621     if(!fGeomDetIn) this->InitAliITSgeom();
 622     if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
 623     AliITS::Init();
 624 //
 625     for(i=0;i<72;i++) cout << "*";
 626     cout << endl;
 627     fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
 628 }
 629 //______________________________________________________________________
 630 void AliITSvSDD03::SetDefaults(){
 631     // sets the default segmentation, response, digit and raw cluster classes
 632     // Inputs:
 633     //    none.
 634     // Outputs:
 635     //    none.
 636     // Return:
 637     //    none.
 638     const Float_t kconv = 1.0e+04; // convert cm to microns
 639
 640     Info("SetDefaults","Setting up only SDD detector");
 641
 642     AliITSDetType *iDetType;
 643     AliITSgeomSDD *s1;
 644     AliITSgeomSSD *s2;
 645     //Int_t i;
 646     //Float_t bx[256],bz[280];
 647
 648     // SDD
 649     iDetType=DetType(kSDD);
 650     s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);// Get shape info. Do it this way for now.
 651     AliITSresponseSDD *resp1=new AliITSresponseSDD("simulated");
 652     SetResponseModel(kSDD,resp1);
 653     AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
 654     seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
 655                      s1->GetDz()*2.*kconv, // for now.
 656                      s1->GetDy()*2.*kconv); // x,z,y full width in microns.
 657     seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
 658     SetSegmentationModel(kSDD,seg1);
 659     const char *kData1=(iDetType->GetResponseModel())->DataType();
 660     const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
 661     if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
 662         iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
 663     } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
 664 //    SetSimulationModel(kSDD,new AliITSsimulationSDD(seg1,resp1));
 665 //    iDetType->ReconstructionModel(new AliITSClusterFinderSDD());
 666
 667     // SSD  Layer 5
 668     iDetType=DetType(kSSD);
 669     s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now.
 670     AliITSresponse *resp2=new AliITSresponseSSD("simulated");
 671     SetResponseModel(kSSD,resp2);
 672     AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
 673     seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
 674                      s2->GetDz()*2.*kconv, // for now.
 675                      s2->GetDy()*2.*kconv); // x,z,y full width in microns.
 676     seg2->SetPadSize(95.,0.); // strip x pitch in microns
 677     seg2->SetNPads(768,0); // number of strips on each side.
 678     seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
 679     seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
 680     seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
 681     SetSegmentationModel(kSSD,seg2);
 682     const char *kData2=(iDetType->GetResponseModel())->DataType();
 683     if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit",
 684                                                     "AliITSRawClusterSSD");
 685     else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
 686 //    SetSimulationModel(kSSD,new AliITSsimulationSSD(seg2,resp2));
 687 //    iDetType->ReconstructionModel(new AliITSClusterFinderSSD());
 688
 689     if(kNTYPES>3){
 690         Warning("SetDefaults",
 691                 "Only the four basic detector types are initialised!");
 692     }// end if
 693     return;
 694 }
 695 //______________________________________________________________________
 696 void AliITSvSDD03::DrawModule(){
 697     ////////////////////////////////////////////////////////////////////////
 698     //     Draw a shaded view of the ITS SDD test beam version 1.
 699     // Inputs:
 700     //    none.
 701     // Outputs:
 702     //    none.
 703     // Return:
 704     //    none.
 705     ////////////////////////////////////////////////////////////////////////
 706     // Set everything unseen
 707     gMC->Gsatt("*", "seen", -1);
 708     // Set ALIC mother visible
 709     gMC->Gsatt("ALIC","SEEN",0);
 710     // Set ALIC ITS visible
 711     gMC->Gsatt("ITSV","SEEN",0);
 712     // Set ALIC Telescopes visible
 713     gMC->Gsatt("ITEL","SEEN",0);
 714     // Set ALIC detetcor visible
 715     gMC->Gsatt("IDET","SEEN",0);
 716     // Set Detector chip mother visible and drawn
 717     gMC->Gsatt("IPC0","SEEN",1);
 718     // Set Detector mother visible and drawn
 719     gMC->Gsatt("ITS0","SEEN",1);
 720     // Set minibus chip mother visible and drawn
 721     gMC->Gsatt("ICMB","SEEN",1);
 722     // Set minibus mother visible and drawn
 723     gMC->Gsatt("IMB0","SEEN",1);
 724 }
 725 //______________________________________________________________________
 726 void AliITSvSDD03::StepManager(){
 727     ////////////////////////////////////////////////////////////////////////
 728     //    Called for every step in the ITS SDD test beam, then calles the
 729     // AliITShit class  creator with the information to be recoreded about
 730     //  that hit.
 731     //     The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 732     // printing of information to a file which can be used to create a .det
 733     // file read in by the routine CreateGeometry(). If set to 0 or any other
 734     // value except 1, the default behavior, then no such file is created nor
 735     // it the extra variables and the like used in the printing allocated.
 736     // Inputs:
 737     //    none.
 738     // Outputs:
 739     //    none.
 740     // Return:
 741     //    none.
 742     ////////////////////////////////////////////////////////////////////////
 743     Int_t         copy, id;
 744     TLorentzVector position, momentum;
 745     static TLorentzVector position0;
 746     static Int_t stat0=0;
 747     if((id=gMC->CurrentVolID(copy) == fIDMother)&&
 748        (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
 749         copy = fTrackReferences->GetEntriesFast();
 750         TClonesArray &lTR = *fTrackReferences;
 751         // Fill TrackReference structure with this new TrackReference.
 752         new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
 753     } // if Outer ITS mother Volume
 754     if(!(this->IsActive())){
 755         return;
 756     } // end if !Active volume.
 757     Int_t   vol[5];
 758     TClonesArray &lhits = *fHits;
 759     //
 760     // Track status
 761     vol[3] = 0;
 762     vol[4] = 0;
 763     if(gMC->IsTrackInside())      vol[3] +=  1;
 764     if(gMC->IsTrackEntering())    vol[3] +=  2;
 765     if(gMC->IsTrackExiting())     vol[3] +=  4;
 766     if(gMC->IsTrackOut())         vol[3] +=  8;
 767     if(gMC->IsTrackDisappeared()) vol[3] += 16;
 768     if(gMC->IsTrackStop())        vol[3] += 32;
 769     if(gMC->IsTrackAlive())       vol[3] += 64;
 770     //
 771     // Fill hit structure.
 772     if(!(gMC->TrackCharge())) return;
 773     id = gMC->CurrentVolID(copy);
 774     if(id==fIdSens[0]){  // Volume name "IMBS"
 775         vol[2] = 1; // detector
 776         id = gMC->CurrentVolOffID(3,copy);
 777         //detector copy in the ladder = 1<->4  (ITS1 < I101 < I103 < I10A)
 778         vol[1] = copy; // ladder
 779         vol[0] = 5; // Lay
 780         if(copy>4){
 781             vol[0] = 6;
 782             vol[1] = copy - 4;
 783         } // end if
 784         if(copy>2) vol[0]++;
 785     } else if(id == fIdSens[1]){ // Volume name "ITST"
 786         vol[0] = 3; // layer
 787         vol[1] = 1; // ladder
 788         id = gMC->CurrentVolOffID(3,copy);
 789         //detector copy in the ladder = 1<->4  (ITS2 < I1D1 < I1D3 < I20A)
 790         vol[2] = 1;  // detector
 791     } else return; // end if
 792     //
 793     gMC->TrackPosition(position);
 794     gMC->TrackMomentum(momentum);
 795     vol[4] = stat0;
 796     if(gMC->IsTrackEntering()){
 797         position0 = position;
 798         stat0 = vol[3];
 799         return;
 800     } // end if IsEntering
 801     // Fill hit structure with this new hit only for non-entrerance hits.
 802     else new(lhits[fNhits++]) AliITShit(fIshunt,
 803                                         gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,
 804                                         gMC->Edep(),gMC->TrackTime(),position,
 805                                         position0,momentum);
 806     //
 807     position0 = position;
 808     stat0 = vol[3];
 809
 810     return;
 811 }
 812