G4MIRDLowerLargeIntestine.cc

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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 "G4MIRDLowerLargeIntestine.hh"

#include "globals.hh"
#include "G4SystemOfUnits.hh"
#include "G4SDManager.hh"
#include "G4VisAttributes.hh"
#include "G4EllipticalTube.hh"
#include "G4UnionSolid.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"
#include "G4VPhysicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4LogicalVolume.hh"
#include "G4Torus.hh"
#include "G4HumanPhantomMaterial.hh"
#include "G4HumanPhantomColour.hh"

G4MIRDLowerLargeIntestine::G4MIRDLowerLargeIntestine()
{
}

G4MIRDLowerLargeIntestine::~G4MIRDLowerLargeIntestine()
{

}

G4VPhysicalVolume* G4MIRDLowerLargeIntestine::Construct(const G4String& volumeName,
                                 G4VPhysicalVolume* mother,
                                 const G4String& colourName, G4bool wireFrame,G4bool sensitivity)
{
  G4cout << "Construct "<< volumeName <<G4endl;
 
 G4HumanPhantomMaterial* material = new G4HumanPhantomMaterial();
 G4Material* soft = material -> GetMaterial("soft_tissue");
 delete material;

 G4double dx = 1.88 * cm; //a
 G4double dy = 2.13 *cm; //b
 G4double dz = 7.64 *cm; //(z1-z2)/2

 G4EllipticalTube* DescendingColonLowerLargeIntestine = new G4EllipticalTube("DiscendingColon",dx, dy, dz);


  G4double rmin= 0.0 *cm;
  G4double rmax = 1.88 * cm;//a
  G4double rtor= 5.72*cm; //R1
  G4double startphi= 0. * degree;
  G4double deltaphi= 90. * degree;

  G4Torus* SigmoidColonUpLowerLargeIntestine = new G4Torus("SigmoidColonUpLowerLargeIntestine",
                                rmin, rmax,rtor,
                                startphi, deltaphi);

  rtor = 3. * cm;//R2
  G4VSolid* SigmoidColonDownLowerLargeIntestine = new G4Torus("SigmoidColonDownLowerLargeIntestine",
                                  rmin, rmax,
                                  rtor,startphi,deltaphi);

  G4RotationMatrix* relative_rm =  new G4RotationMatrix();
  relative_rm -> rotateY(180. * degree);
  relative_rm -> rotateZ(90. * degree);

  G4UnionSolid*  SigmoidColonLowerLargeIntestine = new G4UnionSolid( "SigmoidColonLowerLargeIntestine",
                                      SigmoidColonUpLowerLargeIntestine,
                                      SigmoidColonDownLowerLargeIntestine,
                                      relative_rm,
                                      G4ThreeVector(0.0,8.72*cm,0.0));
  // R1 + R2
 
  G4RotationMatrix* relative_rm_2 =  new G4RotationMatrix();
  relative_rm_2 -> rotateX(90. * degree);

  G4UnionSolid* LowerLargeIntestine = new G4UnionSolid( "LowerLargeIntestine",
                               DescendingColonLowerLargeIntestine,
                            SigmoidColonLowerLargeIntestine,
                            relative_rm_2,
                            G4ThreeVector(-5.72*cm,0.0*cm, -7.64*cm)
                            ); // -rtor,0, -dz


  G4LogicalVolume* logicLowerLargeIntestine = new G4LogicalVolume( LowerLargeIntestine, soft,
                                   "logical" + volumeName,
                                   0, 0, 0);
  
  G4VPhysicalVolume* physLowerLargeIntestine = new G4PVPlacement(0,           // R1+ R2, -2.36 (y0), z0 
                                 G4ThreeVector(8.72*cm, -2.36*cm,-18.64 *cm),
                                 "physicalLowerLargeIntestine",
                                 logicLowerLargeIntestine,
                                 mother,
                                 false,
                                 0, true);
  // Sensitive Body Part
  if (sensitivity==true)
  { 
    G4SDManager* SDman = G4SDManager::GetSDMpointer();
    logicLowerLargeIntestine->SetSensitiveDetector( SDman->FindSensitiveDetector("BodyPartSD") );
  }

  // Visualization Attributes
  //G4VisAttributes* LowerLargeIntestineVisAtt = new G4VisAttributes(G4Colour(1.0,1.0,0.0));
  G4HumanPhantomColour* colourPointer = new G4HumanPhantomColour();
  G4Colour colour = colourPointer -> GetColour(colourName);
  G4VisAttributes* LowerLargeIntestineVisAtt = new G4VisAttributes(colour);
  LowerLargeIntestineVisAtt->SetForceSolid(wireFrame);
  logicLowerLargeIntestine->SetVisAttributes(LowerLargeIntestineVisAtt);

  G4cout << "LowerLargeIntestine created !!!!!!" << G4endl;

  // Testing LowerLargeIntestine Volume
  G4double LowerLargeIntestineVol = logicLowerLargeIntestine->GetSolid()->GetCubicVolume();
  G4cout << "Volume of LowerLargeIntestine = " << LowerLargeIntestineVol/cm3 << " cm^3" << G4endl;
  
  // Testing LowerLargeIntestine Material
  G4String LowerLargeIntestineMat = logicLowerLargeIntestine->GetMaterial()->GetName();
  G4cout << "Material of LowerLargeIntestine = " << LowerLargeIntestineMat << G4endl;
  
  // Testing Density
  G4double LowerLargeIntestineDensity = logicLowerLargeIntestine->GetMaterial()->GetDensity();
  G4cout << "Density of Material = " << LowerLargeIntestineDensity*cm3/g << " g/cm^3" << G4endl;

  // Testing Mass
  G4double LowerLargeIntestineMass = (LowerLargeIntestineVol)*LowerLargeIntestineDensity;
  G4cout << "Mass of LowerLargeIntestine = " << LowerLargeIntestineMass/gram << " g" << G4endl;

  
  return physLowerLargeIntestine;
}