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
    

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 corrispondent 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 corrispondent 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 corrispondent 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;
  
  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