larg4::OpDetLookup Class Reference

#include "OpDetLookup.h"

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

Static Public Member Functions
static OpDetLookup *	Instance ()

Private 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 ( )

private

Definition at line 25 of file OpDetLookup.cxx.

References fTheTopOpDet.

Referenced by Instance().

  {
    fTheTopOpDet = 0;
  }

Member Function Documentation

void larg4::OpDetLookup::AddPhysicalVolume

(

G4VPhysicalVolume *

volume

)

Definition at line 83 of file OpDetLookup.cxx.

References FindClosestOpDet(), and fTheOpDetMap.

Referenced by larg4::OpDetReadoutGeometry::Construct().

  {
    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;
  }

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

Definition at line 51 of file OpDetLookup.cxx.

References geo::OpDetGeo::GetCenter(), geo::GeometryCore::NOpDets(), and geo::GeometryCore::OpDetGeoFromOpDet().

Referenced by AddPhysicalVolume().

  {
    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++) {
      auto const xyz = geom->OpDetGeoFromOpDet(o).GetCenter();

      CLHEP::Hep3Vector DetPos(xyz.X(), xyz.Y(), xyz.Z());
      CLHEP::Hep3Vector ThisVolPos = vol->GetTranslation();

      ThisVolPos /= CLHEP::cm;

      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

(

)

const

Definition at line 98 of file OpDetLookup.cxx.

References fTheTopOpDet.

  {
    return fTheTopOpDet;
  }

int larg4::OpDetLookup::GetOpDet

(

G4VPhysicalVolume const *

TheVolume

)

Definition at line 44 of file OpDetLookup.cxx.

Referenced by larg4::OpDetSensitiveDetector::ProcessHits().

  {
    return GetOpDet(TheVolume->GetName());
  }

int larg4::OpDetLookup::GetOpDet

(

std::string const &

TheName

)

Definition at line 38 of file OpDetLookup.cxx.

References fTheOpDetMap.

  {
    return fTheOpDetMap[TheName];
  }

OpDetLookup * larg4::OpDetLookup::Instance ( )

static

Definition at line 31 of file OpDetLookup.cxx.

References OpDetLookup(), and larg4::TheOpDetLookup.

Referenced by larg4::OpDetReadoutGeometry::Construct(), and larg4::OpDetSensitiveDetector::OpDetSensitiveDetector().

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

Member Data Documentation

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

private

Definition at line 57 of file OpDetLookup.h.

Referenced by AddPhysicalVolume(), and GetOpDet().

int larg4::OpDetLookup::fTheTopOpDet

private

Definition at line 58 of file OpDetLookup.h.

Referenced by GetN(), and OpDetLookup().

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

• larsim/v09_43_00/source/larsim/LegacyLArG4/OpDetLookup.h
• larsim/v09_43_00/source/larsim/LegacyLArG4/OpDetLookup.cxx