simcore::DetectorConstruction Class Reference

Implements the Geant4 detector construction. More...

#include <DetectorConstruction.h>

Public Member Functions
	DetectorConstruction (std::shared_ptr< simcore::geo::Parser > parser, framework::config::Parameters &parameters, ConditionsInterface &ci)
	Constructor.
virtual	~DetectorConstruction ()=default
	Class destructor.
G4VPhysicalVolume *	Construct ()
	Construct the detector.
void	ConstructSDandField ()
std::string	getDetectorName ()

Private Attributes
std::shared_ptr< simcore::geo::Parser >	parser_
	The parser used to load the detector into memory.
framework::config::Parameters	parameters_
	The set of parameters used to configure this class.
simcore::ConditionsInterface &	conditions_interface_
	interface to conditions to be passed to SDs

Detailed Description

Implements the Geant4 detector construction.

Note

This class reads in a detector description from a GDML file using the basic G4GDMLParser and instantiates supplemental information using the AuxInfoReader.

See also

AuxInfoReader

Definition at line 33 of file DetectorConstruction.h.

Constructor & Destructor Documentation

DetectorConstruction()

simcore::DetectorConstruction::DetectorConstruction	(	std::shared_ptr< simcore::geo::Parser >	parser,
		framework::config::Parameters &	parameters,
		ConditionsInterface &	ci )

Constructor.

Parameters

parser	Parser used to parse the geometry into memory.
parameters	The parameters used to configure this class.
ci	The conditions needed to build the detector.

Definition at line 26 of file DetectorConstruction.cxx.

    : parser_(parser), parameters_{parameters}, conditions_interface_{ci} {}

Member Function Documentation

Construct()

G4VPhysicalVolume * simcore::DetectorConstruction::Construct

(

)

Construct the detector.

Returns

The top volume of the detector.

Definition at line 31 of file DetectorConstruction.cxx.

                                                   {
  return parser_->getWorldVolume();
}

References parser_.

ConstructSDandField()

void simcore::DetectorConstruction::ConstructSDandField

(

)

Definition at line 35 of file DetectorConstruction.cxx.

                                               {
  auto sens_dets{parameters_.get<std::vector<framework::config::Parameters>>(
      "sensitive_detectors", {})};
  for (auto& det : sens_dets) {
    // create
    auto sd = SensitiveDetector::Factory::get().make(
        det.get<std::string>("class_name"),
        det.get<std::string>("instance_name"), conditions_interface_, det);
    if (not sd) {
      EXCEPTION_RAISE("UnableToCreate",
                      "Unable to create a SensitiveDetector of type " +
                          det.get<std::string>("class_name"));
    }
    // attach to volumes
    for (G4LogicalVolume* volume : *G4LogicalVolumeStore::GetInstance()) {
      if (sd.value()->isSensDet(volume)) {
        ldmx_log(debug) << "Attaching " << sd.value()->GetName() << " to "
                        << volume->GetName();
        volume->SetSensitiveDetector(sd.value());
      }
    }
  }
 
  // Biasing operators were created in RunManager::setupPhysics
  //  which is called before G4RunManager::Initialize
  //  which is where this method ends up being called.
  simcore::XsecBiasingOperator::Factory::get().apply([&](auto bop) {
    logical_volume_tests::Test include_volume_test{nullptr};
    if (bop->getVolumeToBias().compare("ecal") == 0) {
      include_volume_test = &simcore::g4user::volumechecks::isInEcal;
    } else if (bop->getVolumeToBias().compare("old_ecal") == 0) {
      include_volume_test = &simcore::g4user::volumechecks::isInEcalOld;
    } else if (bop->getVolumeToBias().compare("target") == 0) {
      include_volume_test = &simcore::g4user::volumechecks::isInTargetOnly;
    } else if (bop->getVolumeToBias().compare("target_region") == 0) {
      include_volume_test = &simcore::g4user::volumechecks::isInTargetRegion;
    } else if (bop->getVolumeToBias().compare("hcal") == 0) {
      include_volume_test = &simcore::g4user::volumechecks::isInHcal;
    } else {
      std::cerr << "[ DetectorConstruction ] : "
                << "WARN - Requested volume to bias '" << bop->getVolumeToBias()
                << "' is not recognized. Will attach volumes based on if their"
                << " name contains the volume to bias." << std::endl;
      include_volume_test = &simcore::g4user::volumechecks::nameContains;
    }
 
    for (G4LogicalVolume* volume : *G4LogicalVolumeStore::GetInstance()) {
      auto volume_name = volume->GetName();
      if (include_volume_test(volume, bop->getVolumeToBias())) {
        bop->AttachTo(volume);
        ldmx_log(debug) << "Attaching biasing operator " << bop->GetName()
                        << " to volume " << volume->GetName();
      }  // BOP attached to target or ecal
    }  // loop over volumes
  });  // loop over biasing operators
}

getDetectorName()

std::string simcore::DetectorConstruction::getDetectorName ( )

inline

Returns

The name of this detector. This is extracted from the description file used to build this detector.

Definition at line 65 of file DetectorConstruction.h.

{ return parser_->getDetectorName(); }

References parser_.

Referenced by simcore::Simulator::beforeNewRun().

Member Data Documentation

conditions_interface_

simcore::ConditionsInterface& simcore::DetectorConstruction::conditions_interface_

private

interface to conditions to be passed to SDs

Definition at line 75 of file DetectorConstruction.h.

parameters_

framework::config::Parameters simcore::DetectorConstruction::parameters_

private

The set of parameters used to configure this class.

Definition at line 72 of file DetectorConstruction.h.

parser_

std::shared_ptr<simcore::geo::Parser> simcore::DetectorConstruction::parser_

private

The parser used to load the detector into memory.

Definition at line 69 of file DetectorConstruction.h.

Referenced by Construct(), and getDetectorName().

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

• SimCore/include/SimCore/DetectorConstruction.h
• SimCore/src/SimCore/DetectorConstruction.cxx