G4MIRDHead.cc

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// Authors: S. Guatelli , M. G. Pia, INFN Genova and F. Ambroglini INFN Perugia, 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 "G4MIRDHead.hh"
#include "globals.hh"
#include "G4SystemOfUnits.hh"
#include "G4HumanPhantomMaterial.hh"
#include "G4SDManager.hh"
#include "G4PVPlacement.hh"
#include "G4VisAttributes.hh"
#include "G4UnionSolid.hh"
#include "G4Ellipsoid.hh"
#include "G4ThreeVector.hh"
#include "G4VPhysicalVolume.hh"
#include "G4RotationMatrix.hh"
#include "G4Material.hh"
#include "G4EllipticalTube.hh"
#include "G4HumanPhantomColour.hh"

G4MIRDHead::G4MIRDHead()
{

}

G4MIRDHead::~G4MIRDHead()
{

}


G4VPhysicalVolume* G4MIRDHead::Construct(const G4String& volumeName,G4VPhysicalVolume* mother,
                     const G4String& colourName, G4bool wireFrame, G4bool)
{
  G4cout << "Construct " << volumeName <<" with mother "<<mother->GetName()<<G4endl;
 
  G4HumanPhantomMaterial * material = new G4HumanPhantomMaterial();
  
  G4Material* soft = material -> GetMaterial("soft_tissue");
  
  // MIRD male model
  // Ellipsoid
  G4double ax = 7.0 * cm;
  G4double by = 10.0 * cm;
  G4double cz = 8.50 * cm;
  G4double zcut1 = 0.0 * cm;
  G4double zcut2 = 8.5 * cm;

  G4Ellipsoid* head1 = new G4Ellipsoid("Head1", ax, by, cz, zcut1, zcut2);

  G4double dx = 7.0 * cm;
  G4double dy = 10.0 * cm;
  G4double dz = 7.75 * cm;
 

  G4EllipticalTube* head2 = new G4EllipticalTube("Head2", dx, dy, dz);

  G4UnionSolid* head = new G4UnionSolid("Head",head2,head1,
                    0, // Rotation 
                    G4ThreeVector(0.* cm, 0.*cm, 7.7500 * cm) );

  G4LogicalVolume* logicHead = new G4LogicalVolume(head, soft,"logical" + volumeName,
                           0, 0,0);
  // Define rotation and position here!
  G4RotationMatrix* rm = new G4RotationMatrix();
  rm->rotateX(180.*degree); 
  rm->rotateY(180.*degree); 
  
  G4VPhysicalVolume* physHead = new G4PVPlacement(rm,
                          //G4ThreeVector(0.* cm,0.*cm, 70.75*cm), //FA
                          G4ThreeVector(0.* cm,0.*cm, 77.75*cm),
                          "physicalHead",
                          logicHead,
                          mother,
                          false,
                          0, true);

 
  // Visualization Attributes

  G4HumanPhantomColour* colourPointer = new G4HumanPhantomColour();
  G4Colour colour = colourPointer -> GetColour(colourName);
  G4VisAttributes* HeadVisAtt = new G4VisAttributes(colour);

  HeadVisAtt->SetForceSolid(wireFrame);
  // HeadVisAtt->SetLineWidth(0.7* mm);
  //HeadVisAtt-> SetForceAuxEdgeVisible(true);
  logicHead->SetVisAttributes(HeadVisAtt);

  // Testing Head Volume
  G4double HeadVol = logicHead->GetSolid()->GetCubicVolume();
  G4cout << "Volume of Head = " << HeadVol/cm3 << " cm^3" << G4endl;
  
  // Testing Head Material
  G4String HeadMat = logicHead->GetMaterial()->GetName();
  G4cout << "Material of Head = " << HeadMat << G4endl;
  
  // Testing Density
  G4double HeadDensity = logicHead->GetMaterial()->GetDensity();
  G4cout << "Density of Material = " << HeadDensity*cm3/g << " g/cm^3" << G4endl;

  // Testing Mass
  G4double HeadMass = (HeadVol)*HeadDensity;
  G4cout << "Mass of Head = " << HeadMass/gram << " g" << G4endl;
  
  return physHead;
}