HadrontherapyDetectorConstruction.hh

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// Hadrontherapy advanced example for Geant4
// See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy

#ifndef HadrontherapyDetectorConstruction_H
#define HadrontherapyDetectorConstruction_H 1

#include "G4Box.hh"
#include "globals.hh"
#include "G4VisAttributes.hh"
#include "G4LogicalVolume.hh"
#include "G4UnitsTable.hh"
#include "HadrontherapyDetectorROGeometry.hh"

class G4VPhysicalVolume;
class G4LogicalVolume;
class G4PVPlacement;
class HadrontherapyDetectorROGeometry;
class HadrontherapyDetectorMessenger;
class HadrontherapyDetectorSD;
class HadrontherapyMatrix;
class HadrontherapyLet;

class HadrontherapyDetectorConstruction
{
public:
    
    HadrontherapyDetectorConstruction(G4VPhysicalVolume*);
    
    ~HadrontherapyDetectorConstruction();
    
public:
    static HadrontherapyDetectorConstruction* GetInstance();
    void InitializeDetectorROGeometry(HadrontherapyDetectorROGeometry*,
                                      G4ThreeVector detectorToWorldPosition);
    G4VPhysicalVolume* motherPhys;
    HadrontherapyDetectorSD*         detectorSD; // Pointer to sensitive detector
    
    void VirtualLayer(G4bool Varbool);
    G4bool NewSource;
    void SetVirtualLayerPosition(G4ThreeVector);
    G4ThreeVector VirtualLayerPosition;
    
private:
    
    void ConstructPhantom();
    void ConstructDetector();
    void ParametersCheck();
    void CheckOverlaps();
    
public:
    // Get detector position relative to WORLD
    inline G4ThreeVector GetDetectorToWorldPosition()
    {
        return phantomPosition + detectorPosition;
    }
    // Get displacement between phantom and detector by detector position (center of), phantom (center of) and detector sizes
    inline G4ThreeVector GetDetectorToPhantomPosition()
    {
        return G4ThreeVector(phantomSizeX/2 - detectorSizeX/2 + detectorPosition.getX(),
                             phantomSizeY/2 - detectorSizeY/2 + detectorPosition.getY(),
                             phantomSizeZ/2 - detectorSizeZ/2 + detectorPosition.getZ()
                             );
    }
    
    // Calculate (and set) detector position by displacement, phantom and detector sizes
    inline void SetDetectorPosition()
    {
        // Adjust detector position
        detectorPosition.setX(detectorToPhantomPosition.getX() - phantomSizeX/2 + detectorSizeX/2);
        detectorPosition.setY(detectorToPhantomPosition.getY() - phantomSizeY/2 + detectorSizeY/2);
        detectorPosition.setZ(detectorToPhantomPosition.getZ() - phantomSizeZ/2 + detectorSizeZ/2);
        
        
    }
    // Check whether detector is inside phantom
    inline bool IsInside(G4double detectorX,
                         G4double detectorY,
                         G4double detectorZ,
                         G4double phantomX,
                         G4double phantomY,
                         G4double phantomZ,
                         G4ThreeVector pos)
    {
        // Dimensions check... X Y and Z
        // Firstly check what dimension we are modifying
        {
            if (detectorX > phantomX)
            {
                G4cout << "Error: Detector X dimension must be smaller or equal to the correspondent of the phantom" << G4endl;
                return false;
            }
            if ( (phantomX - detectorX) < pos.getX())
            {
                G4cout << "Error: X dimension doesn't fit with detector to phantom relative position" << G4endl;
                return false;
            }
        }
        
        {
            if (detectorY > phantomY)
            {
                G4cout << "Error: Detector Y dimension must be smaller or equal to the correspondent of the phantom" << G4endl;
                return false;
            }
            if ( (phantomY - detectorY) < pos.getY())
            {
                G4cout << "Error: Y dimension doesn't fit with detector to phantom relative position" << G4endl;
                return false;
            }
        }
        
        {
            if (detectorZ > phantomZ)
            {
                G4cout << "Error: Detector Z dimension must be smaller or equal to the correspondent of the phantom" << G4endl;
                return false;
            }
            if ( (phantomZ - detectorZ) < pos.getZ())
            {
                G4cout << "Error: Z dimension doesn't fit with detector to phantom relative position" << G4endl;
                return false;
            }
        }
        
        return true;
    }
    
    G4bool  SetPhantomMaterial(G4String material);
    void SetVoxelSize(G4double sizeX, G4double sizeY, G4double sizeZ);
    void SetDetectorSize(G4double sizeX, G4double sizeY, G4double sizeZ);
    void SetPhantomSize(G4double sizeX, G4double sizeY, G4double sizeZ);
    void SetPhantomPosition(G4ThreeVector);
    void SetDetectorToPhantomPosition(G4ThreeVector DetectorToPhantomPosition);
    void UpdateGeometry();
    void PrintParameters();
    G4LogicalVolume* GetDetectorLogicalVolume(){ return detectorLogicalVolume;}
    
private:
    static HadrontherapyDetectorConstruction* instance;
    HadrontherapyDetectorMessenger* detectorMessenger;
    
    G4VisAttributes* skyBlue;
    G4VisAttributes* red;
    
    HadrontherapyDetectorROGeometry* detectorROGeometry; // Pointer to ROGeometry
    HadrontherapyMatrix*             matrix;
    HadrontherapyLet*                let;
    
    G4Box *phantom , *detector;
    G4LogicalVolume *phantomLogicalVolume, *detectorLogicalVolume;
    G4VPhysicalVolume *phantomPhysicalVolume, *detectorPhysicalVolume;
    
    G4Box* solidVirtualLayer;
    G4LogicalVolume* logicVirtualLayer;
    G4VPhysicalVolume*  physVirtualLayer;
    
    G4double phantomSizeX;
    G4double phantomSizeY;
    G4double phantomSizeZ;
    
    G4double detectorSizeX;
    G4double detectorSizeY;
    G4double detectorSizeZ;
    
    G4ThreeVector phantomPosition, detectorPosition, detectorToPhantomPosition; //  phantom center, detector center, detector to phantom relative position
    
    G4double sizeOfVoxelAlongX;
    G4double sizeOfVoxelAlongY;
    G4double sizeOfVoxelAlongZ;
    
    G4int numberOfVoxelsAlongX;
    G4int numberOfVoxelsAlongY;
    G4int numberOfVoxelsAlongZ;
    
    G4double volumeOfVoxel, massOfVoxel;
    
    G4Material *phantomMaterial, *detectorMaterial;
    G4Region* aRegion;
};
#endif