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// Authors: S. Guatelli and M. G. Pia, INFN Genova, Italy
// 
// Based on code developed by the undergraduate student G. Guerrieri 
// Note: this is a preliminary beta-version of the code; an improved 
// version will be distributed in the next Geant4 public release, compliant
// with the design in a forthcoming publication, and subject to a 
// design and code review.
//
#include "G4MIRDLeftLung.hh"
#include "globals.hh"
#include "G4SDManager.hh"
#include "G4VisAttributes.hh"
#include "G4Ellipsoid.hh"
#include "G4ThreeVector.hh"
#include "G4VPhysicalVolume.hh"
#include "G4RotationMatrix.hh"
#include "G4Material.hh"
#include "G4LogicalVolume.hh"
#include "G4HumanPhantomMaterial.hh"
#include "G4VPhysicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4UnionSolid.hh"
#include "G4SubtractionSolid.hh"
#include "G4Box.hh"
#include "G4HumanPhantomColour.hh"

G4MIRDLeftLung::G4MIRDLeftLung()
{
}

G4MIRDLeftLung::~G4MIRDLeftLung()
{

}

G4VPhysicalVolume* G4MIRDLeftLung::Construct(const G4String& volumeName,G4VPhysicalVolume* mother, 
						  const G4String& colourName, G4bool wireFrame,G4bool sensitivity)
{

  G4cout << "Construct " << volumeName << G4endl;
 
 G4HumanPhantomMaterial* material = new G4HumanPhantomMaterial();
 G4Material* lung_material = material -> GetMaterial("lung_material");
 delete material;

 G4double ax = 5. *cm; //a
 G4double by = 7.5 *cm; //b
 G4double cz = 24.*cm; //c
 G4double zcut1 = 0.0 *cm; 
 G4double zcut2=24. *cm;
 
 G4Ellipsoid* oneLung = new G4Ellipsoid("OneLung",ax, by, cz, zcut1,zcut2);

 ax= 5.*cm; 
 by= 7.5*cm; 
 cz= 24.*cm;


 G4Ellipsoid* subtrLung = new G4Ellipsoid("subtrLung",ax, by, cz);

 // y<0

 G4double dx = 5.5* cm;
 G4double dy = 8.5 * cm;
 G4double dz = 24. * cm;

 G4Box* box = new G4Box("Box", dx, dy, dz);
 

 //G4SubtractionSolid* section = new G4SubtractionSolid("BoxSub", subtrLung, box, 0, G4ThreeVector(0.*cm, 8.5* cm, 0.*cm)); 
G4SubtractionSolid* section2 = new G4SubtractionSolid("BoxSub2", subtrLung, box, 0, G4ThreeVector(0.*cm, 8.5* cm, 0.*cm)); 

//G4SubtractionSolid* lung1 =  new G4SubtractionSolid("Lung1", oneLung,
//				       section,
//				       0, G4ThreeVector(6.*cm,0*cm,0.0*cm));
 
 G4SubtractionSolid* lung2 =  new G4SubtractionSolid("Lung2", oneLung,
					       section2,
					      0, G4ThreeVector(-6.*cm,0*cm,0.0*cm));

 // G4RotationMatrix* matrix = new G4RotationMatrix();  
 // matrix->rotateX(180. * degree);
 //matrix ->rotateZ(180.*degree);
 //matrix -> rotateY(180.* degree);

 //G4UnionSolid* lungs = new G4UnionSolid("Lungs", lung1, lung2, matrix, G4ThreeVector(17*cm, 0., 0.));


 G4LogicalVolume* logicLeftLung = new G4LogicalVolume(lung2,lung_material,
						  "logical" + volumeName, 0, 0, 0); 
  

  G4VPhysicalVolume* physLeftLung = new G4PVPlacement(0,G4ThreeVector(8.50 *cm, 0.0*cm, 8.5*cm),
						  "physicalLeftLung",                    
  			       logicLeftLung,
			       mother,
			       false,
			       0, true);


  // Sensitive Body Part
  if (sensitivity==true)
  { 
    G4SDManager* SDman = G4SDManager::GetSDMpointer();
    logicLeftLung->SetSensitiveDetector( SDman->FindSensitiveDetector("BodyPartSD") );
 }

  // Visualization Attributes
  //G4VisAttributes* LeftLungVisAtt = new G4VisAttributes(G4Colour(0.25,0.41,0.88));
  G4HumanPhantomColour* colourPointer = new G4HumanPhantomColour();
  G4Colour colour = colourPointer -> GetColour(colourName);
  G4VisAttributes* LeftLungVisAtt = new G4VisAttributes(colour);
  LeftLungVisAtt->SetForceSolid(wireFrame);
  logicLeftLung->SetVisAttributes(LeftLungVisAtt); 

  G4cout << "LeftLung created !!!!!!" << G4endl;

  // Testing LeftLung Volume
  G4double LeftLungVol = logicLeftLung->GetSolid()->GetCubicVolume();
 
 G4cout << "Volume of LeftLung = " << (LeftLungVol)/cm3 << " cm^3" << G4endl;
  
  // Testing LeftLung Material
  G4String LeftLungMat = logicLeftLung->GetMaterial()->GetName();
  G4cout << "Material of LeftLung = " << LeftLungMat << G4endl;
  
  // Testing Density
  G4double LeftLungDensity = logicLeftLung->GetMaterial()->GetDensity();
  G4cout << "Density of Material = " << LeftLungDensity*cm3/g << " g/cm^3" << G4endl;

  // Testing Mass
  G4double LeftLungMass = (LeftLungVol)*LeftLungDensity;
  G4cout << "Mass of LeftLung = " << LeftLungMass/gram << " g" << G4endl;
  
  return physLeftLung;
}