B2aDetectorConstruction Class Reference

#include <B2aDetectorConstruction.hh>

Inheritance diagram for B2aDetectorConstruction:

Collaboration diagram for B2aDetectorConstruction:

Public Member Functions
	B2aDetectorConstruction ()
virtual	~B2aDetectorConstruction ()
virtual G4VPhysicalVolume *	Construct ()
virtual void	ConstructSDandField ()
void	SetTargetMaterial (G4String)
void	SetChamberMaterial (G4String)
void	SetMaxStep (G4double)
void	SetCheckOverlaps (G4bool)
Public Member Functions inherited from G4VUserDetectorConstruction
	G4VUserDetectorConstruction ()
virtual	~G4VUserDetectorConstruction ()
virtual void	CloneSD ()
virtual void	CloneF ()
void	RegisterParallelWorld (G4VUserParallelWorld *)
G4int	ConstructParallelGeometries ()
void	ConstructParallelSD ()
G4int	GetNumberOfParallelWorld () const
G4VUserParallelWorld *	GetParallelWorld (G4int i) const

Additional Inherited Members
Protected Member Functions inherited from G4VUserDetectorConstruction
void	SetSensitiveDetector (const G4String &logVolName, G4VSensitiveDetector *aSD, G4bool multi=false)
void	SetSensitiveDetector (G4LogicalVolume *logVol, G4VSensitiveDetector *aSD)

Detailed Description

Detector construction class to define materials, geometry and global uniform magnetic field.

Definition at line 49 of file B2aDetectorConstruction.hh.

Constructor & Destructor Documentation

B2aDetectorConstruction::B2aDetectorConstruction

(

)

Definition at line 61 of file B2aDetectorConstruction.cc.

:G4VUserDetectorConstruction(), 
 fNbOfChambers(0),
 fLogicTarget(NULL), fLogicChamber(NULL), 
 fTargetMaterial(NULL), fChamberMaterial(NULL), 
 fStepLimit(NULL),
 fCheckOverlaps(true)
{
  fMessenger = new B2aDetectorMessenger(this);

  fNbOfChambers = 5;
  fLogicChamber = new G4LogicalVolume*[fNbOfChambers];
}

B2aDetectorConstruction::~B2aDetectorConstruction ( )

virtual

Definition at line 77 of file B2aDetectorConstruction.cc.

{
  delete [] fLogicChamber; 
  delete fStepLimit;
  delete fMessenger;
}

Member Function Documentation

G4VPhysicalVolume * B2aDetectorConstruction::Construct ( void  )

virtual

Implements G4VUserDetectorConstruction.

Definition at line 86 of file B2aDetectorConstruction.cc.

{
  // Define materials
  DefineMaterials();

  // Define volumes
  return DefineVolumes();
}

void B2aDetectorConstruction::ConstructSDandField ( )

virtual

Reimplemented from G4VUserDetectorConstruction.

Definition at line 291 of file B2aDetectorConstruction.cc.

{
  // Sensitive detectors

  G4String trackerChamberSDname = "B2/TrackerChamberSD";
  B2TrackerSD* aTrackerSD = new B2TrackerSD(trackerChamberSDname,
                                            "TrackerHitsCollection");
  G4SDManager::GetSDMpointer()->AddNewDetector(aTrackerSD);
  // Setting aTrackerSD to all logical volumes with the same name 
  // of "Chamber_LV".
  SetSensitiveDetector("Chamber_LV", aTrackerSD, true);

  // Create global magnetic field messenger.
  // Uniform magnetic field is then created automatically if
  // the field value is not zero.
  G4ThreeVector fieldValue = G4ThreeVector();
  fMagFieldMessenger = new G4GlobalMagFieldMessenger(fieldValue);
  fMagFieldMessenger->SetVerboseLevel(1);
  
  // Register the field messenger for deleting
  G4AutoDelete::Register(fMagFieldMessenger);
}

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void B2aDetectorConstruction::SetChamberMaterial

(

G4String

materialName

)

Definition at line 341 of file B2aDetectorConstruction.cc.

{
  G4NistManager* nistManager = G4NistManager::Instance();

  G4Material* pttoMaterial =
              nistManager->FindOrBuildMaterial(materialName);

  if (fChamberMaterial != pttoMaterial) {
     if ( pttoMaterial ) {
        fChamberMaterial = pttoMaterial;
        for (G4int copyNo=0; copyNo<fNbOfChambers; copyNo++) {
            if (fLogicChamber[copyNo]) fLogicChamber[copyNo]->
                                               SetMaterial(fChamberMaterial);
        }
        G4cout 
          << G4endl 
          << "----> The chambers are made of " << materialName << G4endl;
     } else {
        G4cout 
          << G4endl 
          << "-->  WARNING from SetChamberMaterial : "
          << materialName << " not found" << G4endl;
     }
  }
}

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void B2aDetectorConstruction::SetCheckOverlaps

(

G4bool

checkOverlaps

)

Definition at line 376 of file B2aDetectorConstruction.cc.

{
  fCheckOverlaps = checkOverlaps;
}  

void B2aDetectorConstruction::SetMaxStep

(

G4double

maxStep

)

Definition at line 369 of file B2aDetectorConstruction.cc.

{
  if ((fStepLimit)&&(maxStep>0.)) fStepLimit->SetMaxAllowedStep(maxStep);
}

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void B2aDetectorConstruction::SetTargetMaterial

(

G4String

materialName

)

Definition at line 316 of file B2aDetectorConstruction.cc.

{
  G4NistManager* nistManager = G4NistManager::Instance();

  G4Material* pttoMaterial = 
              nistManager->FindOrBuildMaterial(materialName);

  if (fTargetMaterial != pttoMaterial) {
     if ( pttoMaterial ) {
        fTargetMaterial = pttoMaterial;
        if (fLogicTarget) fLogicTarget->SetMaterial(fTargetMaterial);
        G4cout 
          << G4endl 
          << "----> The target is made of " << materialName << G4endl;
     } else {
        G4cout 
          << G4endl 
          << "-->  WARNING from SetTargetMaterial : "
          << materialName << " not found" << G4endl;
     }
  }
}

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

• source/geant4.10.03.p03/examples/basic/B2/B2a/include/B2aDetectorConstruction.hh
• source/geant4.10.03.p03/examples/basic/B2/B2a/src/B2aDetectorConstruction.cc