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geant4/examples/extended/medical/radiobiology/include/DetectorConstruction.hh
2025-12-05 08:54:02 +01:00

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/// \file DetectorConstruction.hh
/// \brief Definition of the RadioBio::DetectorConstruction class
#ifndef RadiobiologyDetectorConstruction_h
#define RadiobiologyDetectorConstruction_h 1
#include "G4SystemOfUnits.hh"
#include "G4ThreeVector.hh"
#include "G4VUserDetectorConstruction.hh"
#include "globals.hh"
class G4LogicalVolume;
class G4Material;
namespace RadioBio
{
// Forward declariation of other radiobiology classes
class DetectorMessenger;
/**
* @brief Mandatory class for the construction of geometry.
*
* This class is used to create the world volume and keep track of some
* dimensions. World volume is the only one created and saved here,
* whereas voxels and sensitiveness are accounted for by another
* class.
*
* @note Different class will use some information to this class such
* as geometrical constraints on the simulation world volume.
*
*/
class DetectorConstruction : public G4VUserDetectorConstruction
{
public:
DetectorConstruction();
~DetectorConstruction();
public:
/** @brief Method overriding pure virtual
* G4VUserDetectorConstruction one */
G4VPhysicalVolume* Construct() override;
/** @brief Method overriding pure virtual
* G4VUserDetectorConstruction one */
void ConstructSDandField() override;
// Set cubical world size
/** @brief Method to set the world volume
* to be cubical with given side */
void SetSize(G4double);
// Set world size for non-cubic boxes
/** @brief Method to set the world volume
* to be a box with given (potentially different) sides */
void SetSize(G4ThreeVector);
/** @brief Method to set the X width of the world volume
* @param x X width of the box */
void SetSizeX(G4double x);
/** @brief Method to set the Y width of the world volume
* @param y Y width of the box */
void SetSizeY(G4double y);
/** @brief Method to set the Z width of the world volume
* @param z Z width of the box */
void SetSizeZ(G4double z);
/** @brief Method to set the world material
*
* @note there will not be any different material throughout the
* whole simulation
*
* @param mat string containing the name of the material
* according to NIST database */
void SetMaterial(G4String mat);
public:
/** @brief Returns a pointer to the world physical volume */
const G4VPhysicalVolume* GetWorld() { return fPBox; }
G4double GetSizeX() const { return fBoxSizeX; }
G4double GetSizeY() const { return fBoxSizeY; }
G4double GetSizeZ() const { return fBoxSizeZ; }
/** @brief Returns a pointer to the world material */
G4Material* GetMaterial() { return fMaterial; }
/** @brief Prints on screen some parameters for this class */
void PrintParameters();
private:
// World physical and logical
G4VPhysicalVolume* pWorld = nullptr;
G4VPhysicalVolume* fPBox = nullptr;
G4LogicalVolume* fLBox = nullptr;
// World box sizes
G4double fBoxSizeX = 1. * m;
G4double fBoxSizeY = 1. * m;
G4double fBoxSizeZ = 1. * m;
// World box material
G4Material* fMaterial = nullptr;
// Pointer to the messenger
DetectorMessenger* fDetectorMessenger = nullptr;
private:
/** @brief Private method to construct geometry */
G4VPhysicalVolume* ConstructVolumes();
};
} // namespace RadioBio
#endif // DetectorConstruction_h