ITS/AliITSgeomSPD425.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 $Log$
  18 Revision 1.4  2000/06/10 20:34:22  nilsen
  19 Fixed compilation warning with HP unix.
  20
  21 Revision 1.3  2000/06/10 10:42:49  nilsen
  22 Fixed bug in copy and operator =.
  23
  24
  25 */
  26
  27 #include <TShape.h>
  28
  29 #include "AliITSgeomSPD425.h"
  30
  31 ClassImp(AliITSgeomSPD425)
  32
  33 AliITSgeomSPD425::AliITSgeomSPD425(){
  34 ////////////////////////////////////////////////////////////////////////
  35 //    default constructor, for ITS post TDR geometry.
  36 ////////////////////////////////////////////////////////////////////////
  37
  38 const Float_t kdx=0.6400,kdy=0.0075,kdz=4.23625;// cm; Standard pixel detector
  39                                                 // size is 2dx wide, 2dz long,
  40                                                 // and 2dy thick. Geant 3.12
  41                                                 // units.
  42 const Float_t kbinx0 = 0.0050; // cm; Standard pixel size in x direction.
  43 const Int_t   knbinx = 256;    // number of pixels along x direction.
  44 const Float_t kbinz0 = 0.0425; // cm; Standard pixel size in z direction.
  45 const Float_t kbinz1 = 0.0625; // cm; Special pixel size in z direction.
  46 const Int_t   knbinz = 197;    // number of pixels along z direction.
  47     Int_t i;
  48
  49     fdx = kdx;  // default value.
  50     fdy = kdy;  // default value.
  51     fdz = kdz;  // default value.
  52     fNbinx = knbinx; // default number of bins in x.
  53     fNbinz = knbinz; // default number of bins in z.
  54
  55     fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
  56     for(i=0;i<fNbinx;i++) fBinSizeX[i] = kbinx0; // default x bin size.
  57     fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
  58     for(i=0;i<fNbinz;i++) fBinSizeZ[i] = kbinz0; // default z bin size.
  59     fBinSizeZ[ 31] = kbinz1;
  60     fBinSizeZ[ 32] = kbinz1;
  61
  62     fBinSizeZ[ 64] = kbinz1;
  63     fBinSizeZ[ 65] = kbinz1;
  64
  65     fBinSizeZ[ 97] = kbinz1;
  66     fBinSizeZ[ 98] = kbinz1;
  67
  68     fBinSizeZ[130] = kbinz1;
  69     fBinSizeZ[131] = kbinz1;
  70
  71     fBinSizeZ[163] = kbinz1;
  72     fBinSizeZ[164] = kbinz1;
  73
  74     // correct detector size for bin size.
  75     fdx = 0.0;
  76     for(i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
  77     fdx *= 0.5;
  78     fdz = 0.0;
  79     for(i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
  80     fdz *= 0.5;
  81
  82     fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
  83                           fdx,fdy,fdz);
  84 }
  85 //______________________________________________________________________
  86 AliITSgeomSPD425::AliITSgeomSPD425(Float_t dy,Int_t nx,Float_t *bx,
  87                                                 Int_t nz,Float_t *bz){
  88 ////////////////////////////////////////////////////////////////////////
  89 //    default constructor, for a User modified TDR based geometry.
  90 ////////////////////////////////////////////////////////////////////////
  91     Int_t i;
  92     fdx = 0.0;
  93     fdy =  dy;
  94     fdz = 0.0;
  95     fNbinx = nx; // new number of bins in x.
  96     fNbinz = nz; // new number of bins in z.
  97
  98     fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
  99     for(i=0;i<fNbinx;i++) fBinSizeX[i] = bx[i]; // new x bin size.
 100     fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
 101     for(i=0;i<fNbinz;i++) fBinSizeZ[i] = bz[i]; // new z bin size.
 102
 103     // correct detector size for bin size.
 104     for(i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
 105     fdx *= 0.5;
 106     for(i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
 107     fdz *= 0.5;
 108
 109     fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
 110                           fdx,fdy,fdz);
 111 }
 112 //______________________________________________________________________
 113 AliITSgeomSPD425::AliITSgeomSPD425(AliITSgeomSPD425 &source){
 114   // copy constructor
 115     Int_t i;
 116     if(&source == this) return;
 117     this->fShapeSPD = new TBRIK(*(source.fShapeSPD));
 118     this->fdx = source.fdx;
 119     this->fdy = source.fdy;
 120     this->fdz = source.fdz;
 121     if(this->fBinSizeX) delete[] this->fBinSizeX;
 122     if(this->fBinSizeX) delete[] this->fBinSizeZ;
 123     this->fNbinx = source.fNbinx;
 124     this->fBinSizeX = new Float_t[this->fNbinx];
 125     this->fNbinz = source.fNbinz;
 126     this->fBinSizeZ = new Float_t[this->fNbinz];
 127     for(i=0;i<fNbinx;i++) this->fBinSizeX[i] = source.fBinSizeX[i];
 128     for(i=0;i<fNbinz;i++) this->fBinSizeZ[i] = source.fBinSizeZ[i];
 129 }
 130 //______________________________________________________________________
 131 AliITSgeomSPD425& AliITSgeomSPD425::operator=(AliITSgeomSPD425 &source){
 132   // = operator
 133     Int_t i;
 134     if(&source == this) return *this;
 135     this->fShapeSPD = new TBRIK(*(source.fShapeSPD));
 136     this->fdx = source.fdx;
 137     this->fdy = source.fdy;
 138     this->fdz = source.fdz;
 139     if(this->fBinSizeX) delete[] this->fBinSizeX;
 140     if(this->fBinSizeX) delete[] this->fBinSizeZ;
 141     this->fNbinx = source.fNbinx;
 142     this->fBinSizeX = new Float_t[this->fNbinx];
 143     this->fNbinz = source.fNbinz;
 144     this->fBinSizeZ = new Float_t[this->fNbinz];
 145     for(i=0;i<fNbinx;i++) this->fBinSizeX[i] = source.fBinSizeX[i];
 146     for(i=0;i<fNbinz;i++) this->fBinSizeZ[i] = source.fBinSizeZ[i];
 147     return *this;
 148 }
 149 //______________________________________________________________________
 150 AliITSgeomSPD425::~AliITSgeomSPD425(){
 151   // destructor
 152     delete[] fBinSizeX;
 153     delete[] fBinSizeZ;
 154     delete   fShapeSPD;
 155 }
 156 //______________________________________________________________________
 157 void AliITSgeomSPD425::ReSetBins(Float_t dy,Int_t nx,Float_t *bx,
 158                                         Int_t nz,Float_t *bz){
 159 ////////////////////////////////////////////////////////////////////////
 160 //    default constructor, for a User modified TDR based geometry.
 161 ////////////////////////////////////////////////////////////////////////
 162     Int_t i;
 163     fdx = 0.0;
 164     fdy =  dy;
 165     fdz = 0.0;
 166     fNbinx = nx; // new number of bins in x.
 167     fNbinz = nz; // new number of bins in z.
 168
 169     if(fBinSizeX!=0) delete[] fBinSizeX;
 170     fBinSizeX = new Float_t[fNbinx]; // array of bin sizes along x.
 171     for(i=0;i<fNbinx;i++) fBinSizeX[i] = bx[i]; // new x bin size.
 172     if(fBinSizeZ!=0) delete[] fBinSizeZ;
 173     fBinSizeZ = new Float_t[fNbinz]; // array of bin sizes along z.
 174     for(i=0;i<fNbinz;i++) fBinSizeZ[i] = bz[i]; // new z bin size.
 175
 176     // correct detector size for bin size.
 177     for(i=0;i<fNbinx;i++) fdx +=fBinSizeX[i];
 178     fdx *= 0.5;
 179     for(i=0;i<fNbinz;i++) fdz +=fBinSizeZ[i];
 180     fdz *= 0.5;
 181
 182     fShapeSPD = new TBRIK("ActiveSPD","Active volume of SPD","SPD SI DET",
 183                           fdx,fdy,fdz);
 184 }
 185 //----------------------------------------------------------------------
 186 void AliITSgeomSPD425::Streamer(TBuffer &R__b){
 187     // Streamer function for the class AliITSgeomSPD425.
 188     Int_t i;
 189     UInt_t R__s, R__c;
 190
 191     if(R__b.IsReading()){
 192         Version_t R__v = R__b.ReadVersion(&R__s, &R__c);
 193         if(R__v==1){
 194             TObject::Streamer(R__b);
 195             fShapeSPD->Streamer(R__b);
 196             R__b >> fdx;
 197             R__b >> fdy;
 198             R__b >> fdz;
 199         }else if (R__v==2){
 200             AliITSgeomSPD::Streamer(R__b);
 201             fShapeSPD->Streamer(R__b);
 202             R__b >> fdx;
 203             R__b >> fdy;
 204             R__b >> fdz;
 205             R__b >> fNbinx;
 206             if(fBinSizeX!=0) delete[] fBinSizeX;
 207             fBinSizeX = new Float_t[fNbinx];
 208             for(i=0;i<fNbinx;i++) R__b >> fBinSizeX[i];
 209             R__b >> fNbinz;
 210             if(fBinSizeZ!=0) delete[] fBinSizeZ;
 211             fBinSizeZ = new Float_t[fNbinz];
 212             for(i=0;i<fNbinz;i++) R__b >> fBinSizeZ[i];
 213             R__b.CheckByteCount(R__s, R__c, AliITSgeomSPD425::IsA());
 214         } // end if R__v==1
 215     } else { // IsWriting.
 216         R__c = R__b.WriteVersion(AliITSgeomSPD425::IsA(), kTRUE);
 217         AliITSgeomSPD::Streamer(R__b);
 218         fShapeSPD->Streamer(R__b);
 219         R__b << fdx;
 220         R__b << fdy;
 221         R__b << fdz;
 222         R__b << fNbinx;
 223         for(i=0;i<fNbinx;i++) R__b << fBinSizeX[i];
 224         R__b << fNbinz;
 225         for(i=0;i<fNbinz;i++) R__b << fBinSizeZ[i];
 226         R__b.SetByteCount(R__c, kTRUE);
 227     } // end if R__b.IsReading()
 228 }
 229 //----------------------------------------------------------------------