GB04DetectorConstruction.cc

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// $Id$
//

#include "GB04DetectorConstruction.hh"
#include "G4SystemOfUnits.hh"

#include "G4Material.hh"
#include "G4NistManager.hh"

#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4LogicalVolumeStore.hh"
#include "G4PVPlacement.hh"
#include "G4UniformMagField.hh"

#include "G4VisAttributes.hh"
#include "G4Colour.hh"

#include "G4NistManager.hh"

#include "GB04BOptrBremSplitting.hh"


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GB04DetectorConstruction::GB04DetectorConstruction()
{}

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GB04DetectorConstruction::~GB04DetectorConstruction()
{}

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G4VPhysicalVolume* GB04DetectorConstruction::Construct()
{
  G4Material*   worldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
  G4Material* defaultMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Al");


  G4VSolid* solidWorld = new G4Box("World", 10*m, 10*m, 10*m );
  
  G4LogicalVolume* logicWorld = new G4LogicalVolume(solidWorld,       //its solid
                                                    worldMaterial,    //its material
                                                    "World");         //its name
  
  G4PVPlacement* physiWorld = new G4PVPlacement(0,                    //no rotation
                                                G4ThreeVector(),      //at (0,0,0)
                                                logicWorld,           //its logical volume
                                                "World",              //its name
                                                0,                    //its mother  volume
                                                false,                //no boolean operation
                                                0);                   //copy number
  
  // -----------------------------------
  // -- volume where biasing is applied:
  // -----------------------------------
  G4double halfZ = 5*mm;
  G4VSolid* solidTest = new G4Box("test.solid", 1*m, 1*m, halfZ );
  
  G4LogicalVolume* logicTest = new G4LogicalVolume(solidTest,         //its solid
                                                   defaultMaterial,   //its material
                                                   "test.logical");   //its name

  new G4PVPlacement(0,                                      // no rotation
                    G4ThreeVector(0,0, halfZ),              // volume entrance at (0,0,0)
                    logicTest,                              // its logical volume
                    "test.phys",                            // its name
                    logicWorld,                             // its mother  volume
                    false,                                  // no boolean operation
                    0);                                     // copy number
  
  
  return physiWorld;
}

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void GB04DetectorConstruction::ConstructSDandField()
{
  // -- Fetch volume for biasing:
  G4LogicalVolume* logicTest =
    G4LogicalVolumeStore::GetInstance()->GetVolume("test.logical");
  
  // ----------------------------------------------
  // -- operator creation and attachment to volume:
  // ----------------------------------------------
  GB04BOptrBremSplitting* bremSplittingOperator =  new GB04BOptrBremSplitting();
  bremSplittingOperator->AttachTo(logicTest);
  G4cout << " Attaching biasing operator " << bremSplittingOperator->GetName()
         << " to logical volume " << logicTest->GetName()
         << G4endl;
}

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