RICH/AliRICHv0.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 #include "AliRICHv0.h"
  17 #include "AliRICHChamber.h"
  18 #include <AliRun.h>
  19 #include <AliMC.h>
  20 #include <TVirtualMC.h>
  21 #include <TPDGCode.h>
  22 #include <TLorentzVector.h>
  23 #include <TMath.h>
  24
  25 #include <TGeoManager.h>
  26
  27 ClassImp(AliRICHv0)
  28
  29 void AliRICHv0::StepManager()
  30 {
  31 //This StepManager is a provision for different test-learn activities on the current MC layer
  32   static Int_t iStepN;
  33   const char *sParticle;
  34   switch(gMC->TrackPid()){
  35     case kProton:      sParticle="proton"    ;break;
  36     case kNeutron:     sParticle="neutron"   ;break;
  37     case kGamma:       sParticle="gamma"     ;break;
  38     case kCerenkov:    sParticle="photon"    ;break;
  39     case kPi0:         sParticle="Pi0"       ;break;
  40     case kPiPlus:      sParticle="Pi+"       ;break;
  41     case kPiMinus:     sParticle="Pi-"       ;break;
  42     case kElectron:    sParticle="electron"  ;break;
  43     default:           sParticle="not known" ;break;
  44   }
  45
  46   Info(Form("Step %i",iStepN),"event=%i hunt=%i tid=%i pid=%i(%s) m=%f q=%3.1f dEdX=%9.3f",
  47                             gMC->CurrentEvent(),
  48                             fIshunt,
  49                             gAlice->GetMCApp()->GetCurrentTrackNumber(),
  50                             gMC->TrackPid(),
  51                             sParticle,
  52                             gMC->TrackMass(),
  53                             gMC->TrackCharge(),
  54                             gMC->Edep()*1e9);
  55   Info("Flags","alive(%i) disap(%i) enter(%i) exit(%i) inside(%i) out(%i) stop(%i) new(%i)",
  56                             gMC->IsTrackAlive(),
  57                             gMC->IsTrackDisappeared(),
  58                             gMC->IsTrackEntering(),
  59                             gMC->IsTrackExiting(),
  60                             gMC->IsTrackInside(),
  61                             gMC->IsTrackOut(),
  62                             gMC->IsTrackStop(),
  63                             gMC->IsNewTrack());
  64   Int_t copy0=0,copy1=0,copy2=0,copy3=0;
  65   Int_t vid0=gMC->CurrentVolID(copy0);
  66   Int_t vid1=gMC->CurrentVolOffID(1,copy1);
  67   Int_t vid2=gMC->CurrentVolOffID(2,copy2);
  68   Int_t vid3=gMC->CurrentVolOffID(3,copy3);
  69   Info("Volumes","vid0=%i(%s)c%i vid1=%i(%s)c%i vid2=%i(%s)c%i vid3=%i(%s)c%i   %s-%s-%s-%s",
  70                       vid0,gMC->VolName(vid0),copy0,
  71                       vid1,gMC->VolName(vid1),copy1,
  72                       vid2,gMC->VolName(vid2),copy2,
  73                       vid3,gMC->VolName(vid3),copy3,
  74                       gMC->CurrentVolName(),
  75                       gMC->CurrentVolOffName(1),
  76                       gMC->CurrentVolOffName(2),
  77                       gMC->CurrentVolOffName(3));
  78
  79   Float_t a,z,den,rad,abs; a=z=den=rad=abs=kBad;
  80   Int_t mid=gMC->CurrentMaterial(a,z,den,rad,abs);
  81   Info("Material","id=%i a=%7.2f z=%7.2f den=%9.4f rad=%9.2f abs=%9.2f",mid,a,z,den,rad,abs);
  82
  83   Int_t iTmedId=gMC->GetMedium();
  84   const char *sTmed;
  85   switch(iTmedId){
  86     case kAir:        sTmed="Air"      ;break;
  87     case kRoha:       sTmed="Rohacell" ;break;
  88     case kSiO2:       sTmed="SiO2"     ;break;
  89     case kC6F14:      sTmed="C6F14"    ;break;
  90     case kGridCu:     sTmed="GridCu"   ;break;
  91     case kOpSiO2:     sTmed="OpSiO2"   ;break;
  92     case kGap:        sTmed="Gap"      ;break;
  93     case kGlass:      sTmed="Glass"    ;break;
  94     case kCu:         sTmed="Cu"       ;break;
  95     case kSteel:      sTmed="Steel"    ;break;
  96     case kPerpex:     sTmed="Perpex"   ;break;
  97     case kCH4:        sTmed="CH4"      ;break;
  98     case kCsI:        sTmed="CsI"      ;break;
  99     case kAl:         sTmed="Al"       ;break;
 100     case kW:          sTmed="W"        ;break;
 101     default:          sTmed="not known";break;
 102   }
 103   Info("Medium","id=%i (%s)",iTmedId,sTmed);
 104
 105   TLorentzVector x4; gMC->TrackPosition(x4);
 106   Float_t glo[3],loc[3];
 107   glo[0]=x4.X();glo[1]=x4.Y();glo[2]=x4.Z();
 108   gMC->Gmtod(glo,loc,1);
 109   Info("X4 glo","(x,y,z)=(%+8.3f,%+8.3f,%+8.3f) (r,theta,phi)=(%8.3f,%8.3f,%8.3f)",
 110                       glo[0],glo[1],glo[2],x4.Rho(),x4.Theta()*TMath::RadToDeg(),x4.Phi()*TMath::RadToDeg());
 111   Info("X4 loc","(x,y,z)=(%+8.3f,%+8.3f,%8.3f) by gMC->Gmtod()",loc[0],loc[1],loc[2]);
 112   static Int_t idGAP = gMC->VolId("GAP ");
 113   if(idGAP==gMC->CurrentVolID(copy0)){
 114     Int_t iChamber;
 115     gMC->CurrentVolOffID(2,iChamber);
 116     TVector2 x2=C(iChamber)->Mrs2Pc(x4);
 117     Info("X4 loc","(%+8.3f,%+8.3f) by Mrs2Pc",      x2.X(),x2.Y());
 118   }
 119   Info(Form("Step %i",iStepN++),"end of current step\n");
 120 }//StepManager()