larg4::OpDetLookup Class Reference

#include <OpDetLookup.h>

Public Member Functions
	~OpDetLookup ()
void	AddPhysicalVolume (G4VPhysicalVolume *)
int	GetOpDet (G4VPhysicalVolume *)
int	GetOpDet (std::string)
int	GetN ()
int	FindClosestOpDet (G4VPhysicalVolume *vol, double &Distance)

Static Public Member Functions
static OpDetLookup *	Instance ()

Protected Member Functions
	OpDetLookup ()

Private Attributes
std::map< std::string, int >	fTheOpDetMap
int	fTheTopOpDet

Detailed Description

Definition at line 44 of file OpDetLookup.h.

Constructor & Destructor Documentation

larg4::OpDetLookup::~OpDetLookup ( )

inline

Definition at line 47 of file OpDetLookup.h.

{}

larg4::OpDetLookup::OpDetLookup ( )

protected

Definition at line 27 of file OpDetLookup.cxx.

  {
    fTheTopOpDet=0;
  }

Member Function Documentation

void larg4::OpDetLookup::AddPhysicalVolume

(

G4VPhysicalVolume *

volume

)

Definition at line 96 of file OpDetLookup.cxx.

  {

    // mf::LogInfo("Optical") <<"G4 placing sensitive opdet"<<std::endl;

    std::stringstream VolName("");
    double Distance     = 0;

    int NearestOpDet = FindClosestOpDet(volume, Distance);

    VolName.flush();
    VolName << volume->GetName() << "_" << NearestOpDet;
    volume->SetName(VolName.str().c_str());

    fTheOpDetMap[VolName.str()] = NearestOpDet;

    // mf::LogInfo("Optical") << "Found closest volume: " << VolName.str().c_str() << " OpDet : " << fTheOpDetMap[VolName.str()]<<"  distance : " <<Distance<<std::endl;

  }

int larg4::OpDetLookup::FindClosestOpDet	(	G4VPhysicalVolume *	vol,
		double &	Distance
	)

Definition at line 57 of file OpDetLookup.cxx.

  {
    art::ServiceHandle<geo::Geometry const> geom;
    int    OpDetCount = 0;

    double MinDistance = UINT_MAX;
    int    ClosestOpDet   = -1;

    for(size_t o=0; o!=geom->NOpDets(); o++) {
      double xyz[3];
      geom->OpDetGeoFromOpDet(o).GetCenter(xyz);

      CLHEP::Hep3Vector DetPos(xyz[0],xyz[1],xyz[2]);
      CLHEP::Hep3Vector ThisVolPos = vol->GetTranslation();

      ThisVolPos/=CLHEP::cm;

      //            std::cout<<"Det: " << xyz[0]<< " " <<xyz[1]<< " " << xyz[2]<<std::endl;
      //    std::cout<<"Vol: " << ThisVolPos.x()<< " " <<ThisVolPos.y() << " " <<ThisVolPos.z()<<std::endl;

      double Distance = (DetPos-ThisVolPos).mag();
      if(Distance < MinDistance)
      {
        MinDistance = Distance;
        ClosestOpDet  =  o;
      }
      OpDetCount++;
    }
    if(ClosestOpDet<0)
      {
        throw cet::exception("OpDetLookup Error") << "No nearby OpDet found!\n";
      }

    distance = MinDistance;
    return ClosestOpDet;
  }

int larg4::OpDetLookup::GetN

(

)

Definition at line 118 of file OpDetLookup.cxx.

  {
    return fTheTopOpDet;
  }

int larg4::OpDetLookup::GetOpDet

(

G4VPhysicalVolume *

TheVolume

)

Definition at line 48 of file OpDetLookup.cxx.

  {
    std::string TheName = TheVolume->GetName();
    return GetOpDet(TheName);
  }

int larg4::OpDetLookup::GetOpDet

(

std::string

TheName

)

Definition at line 42 of file OpDetLookup.cxx.

  {
    return fTheOpDetMap[TheName];
  }

OpDetLookup * larg4::OpDetLookup::Instance ( void  )

static

Definition at line 33 of file OpDetLookup.cxx.

  {
    if(!TheOpDetLookup){
      TheOpDetLookup = new OpDetLookup;
    }
    return TheOpDetLookup;
  }

Member Data Documentation

std::map<std::string, int> larg4::OpDetLookup::fTheOpDetMap

private

Definition at line 60 of file OpDetLookup.h.

int larg4::OpDetLookup::fTheTopOpDet

private

Definition at line 61 of file OpDetLookup.h.

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The documentation for this class was generated from the following files:

• larsim/larsim/LegacyLArG4/OpDetLookup.h
• larsim/larsim/LegacyLArG4/OpDetLookup.cxx