/home/cern/BDSIM_new/src/BDSDrift.cc

/* BDSIM code.    Version 1.0
   Author: Grahame A. Blair, Royal Holloway, Univ. of London.
   Last modified 24.7.2002
   Copyright (c) 2002 by G.A.Blair.  ALL RIGHTS RESERVED. 
*/
#include "BDSGlobalConstants.hh" // must be first in include list

#include "BDSDrift.hh"
#include "G4Box.hh"
#include "G4Tubs.hh"
#include "G4VisAttributes.hh"
#include "G4LogicalVolume.hh"
#include "G4VPhysicalVolume.hh"
#include "G4UserLimits.hh"
#include "G4TransportationManager.hh"

#include <map>

const int DEBUG = 0;

//============================================================

typedef std::map<G4String,int> LogVolCountMap;
extern LogVolCountMap* LogVolCount;

typedef std::map<G4String,G4LogicalVolume*> LogVolMap;
extern LogVolMap* LogVol;

extern BDSMaterials* theMaterials;
//============================================================

BDSDrift::BDSDrift (G4String aName, G4double aLength,
                    G4double bpRad):
  BDSMultipole(aName, aLength, bpRad, bpRad, SetVisAttributes())
{
  G4double outerR=bpRad+1*mm;
  SetOuterRadius(outerR);
  itsType="drift";

  if (!(*LogVolCount)[itsName])
    {
      //
      // build external volume
      // 
      BuildDefaultMarkerLogicalVolume();

      //
      // build beampipe (geometry + magnetic field)
      //
      itsBPFieldMgr=NULL;
      BuildBeampipe(itsLength);

      // drift doesn't have an outer volume - but include it for laserwire
      // BuildDefaultOuterLogicalVolume(itsLength,true);

      //
      // define sensitive volumes for hit generation
      //
      SetSensitiveVolume(itsBeampipeLogicalVolume);// for laserwire
      //SetSensitiveVolume(itsOuterLogicalVolume);// for laserwire

      //
      // append marker logical volume to volume map
      //
      (*LogVolCount)[itsName]=1;
      (*LogVol)[itsName]=itsMarkerLogicalVolume;
    }
  else
    {
      (*LogVolCount)[itsName]++;

      //
      // use already defined marker volume
      //
      itsMarkerLogicalVolume=(*LogVol)[itsName];
    }
}

G4VisAttributes* BDSDrift::SetVisAttributes()
{
  itsVisAttributes=new G4VisAttributes(G4Colour(0,1,0)); //useless
  return itsVisAttributes;
}

BDSDrift::~BDSDrift()
{
  if(itsVisAttributes) delete itsVisAttributes;
  if(itsMarkerLogicalVolume) delete itsMarkerLogicalVolume;
  if(itsOuterLogicalVolume) delete itsOuterLogicalVolume;
  if(itsPhysiComp) delete itsPhysiComp;
  //if(itsField) delete itsField;
  //if(itsEqRhs) delete itsEqRhs;
  //if(itsStepper) delete itsStepper;
}

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