Gabriele Cosmo
242 lines
9.9 KiB
C++
242 lines
9.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 - Brachytherapy example
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// --------------------------------------------------------------
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//
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// Code developed by:
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// S. Guatelli, D. Cutajar, J. Poder
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// Centre For Medical Radiation Physics, University of Wollongong
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//
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// ****************************************
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// * *
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// * BrachyDetectorConstructionFlexi.cc*
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// * *
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// ****************************************
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//
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//
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#include "globals.hh"
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#include "G4SystemOfUnits.hh"
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#include "BrachyDetectorConstructionFlexi.hh"
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#include "G4RunManager.hh"
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#include "G4Tubs.hh"
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#include "G4Cons.hh"
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#include "G4LogicalVolume.hh"
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#include "G4ThreeVector.hh"
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#include "G4PVPlacement.hh"
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#include "G4Transform3D.hh"
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#include "G4RotationMatrix.hh"
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#include "G4TransportationManager.hh"
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#include "G4VisAttributes.hh"
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#include "G4Colour.hh"
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#include "G4NistManager.hh"
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BrachyDetectorConstructionFlexi::BrachyDetectorConstructionFlexi()
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: fSteelShell(nullptr), fLogicalSteelShell(nullptr), fAirGap(nullptr), fLogicalAirGap(nullptr), fPhysicalAirGap(nullptr),
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fEnd1SteelShell(nullptr), fLogicalEnd1SteelShell(nullptr), fPhysicalEnd1SteelShell(nullptr),
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fEnd2SteelShell(nullptr), fLogicalEnd2SteelShell(nullptr), fPhysicalEnd2SteelShell(nullptr),
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fCable(nullptr), fLogicalCable(nullptr), fPhysicalCable(nullptr),
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fIridiumCore(nullptr), fLogicalIridiumCore(nullptr), fPhysicalIridiumCore(nullptr),
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fSteelAttributes(nullptr), fEndAttributes(nullptr), fSimpleIridiumVisAtt(nullptr)
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{}
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void BrachyDetectorConstructionFlexi::ConstructFlexi(G4VPhysicalVolume* mother)
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{
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G4NistManager* nist = G4NistManager::Instance();
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G4Material* iridiumMat = nist -> FindOrBuildMaterial("G4_Ir");
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G4Material* airMat = nist -> FindOrBuildMaterial("G4_AIR");
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//Define Stainless-steel-304 - Flexi source
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G4int Z; //atomic number of the element
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G4Element* elC = nist -> FindOrBuildElement(Z=6);
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G4Element* elMn = nist -> FindOrBuildElement(Z=12);
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G4Element* elSi = nist -> FindOrBuildElement(Z=14);
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G4Element* elCr = nist -> FindOrBuildElement(Z=24);
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G4Element* elFe = nist -> FindOrBuildElement(Z=26);
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G4Element* elNi = nist -> FindOrBuildElement(Z=28);
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constexpr G4double d = 7.999*g/cm3;
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auto steelMat = new G4Material("Stainless steel 304",d,6);
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steelMat -> AddElement(elMn, 0.02);
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steelMat -> AddElement(elSi, 0.01);
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steelMat -> AddElement(elCr, 0.19);
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steelMat -> AddElement(elNi, 0.10);
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steelMat -> AddElement(elFe, 0.6792);
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steelMat -> AddElement(elC, 0.0008);
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//Define dimensions of the outer Steel shell around the solid source - not including the ends
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G4double shellr_min = 0.00 * mm;
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G4double shellr_max = 0.85 * mm;
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G4double shell_length = 3.6 * mm;
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fSteelShell = new G4Tubs("steel_shell",shellr_min, shellr_max/2, shell_length/2.,0.*deg,360.*deg);
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fLogicalSteelShell = new G4LogicalVolume(fSteelShell, steelMat, "steel_shell_log", nullptr, nullptr, nullptr);
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fPhysicalSteelShell = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0),"phys_steel_shell", fLogicalSteelShell, mother, false, 0, true);
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//Define dimensions of the air gap between Steel shell and Iridium core
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G4double airr_min = 0.00 * mm;
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G4double airr_max = 0.67 * mm;
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G4double air_length = 3.6 * mm;
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fAirGap = new G4Tubs("air_gap", airr_min, airr_max/2, air_length/2, 0.*deg, 360.*deg);
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fLogicalAirGap = new G4LogicalVolume(fAirGap, airMat, "air_gap_log", nullptr, nullptr, nullptr);
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fPhysicalAirGap = new G4PVPlacement(nullptr, G4ThreeVector(0,0,0), "phys_air_gap", fLogicalAirGap, fPhysicalSteelShell, false, 0, true);
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//Define the non-cable weld end of the Steel shell
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G4double end1r_min = 0.0 * mm;
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G4double end1r_max = 0.85 * mm;
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G4double end1length = 0.65 * mm;
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fEnd1SteelShell = new G4Tubs("End_1_steel_shell", end1r_min, end1r_max/2, end1length/2.,0.*deg,360.*deg);
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fLogicalEnd1SteelShell = new G4LogicalVolume(fEnd1SteelShell, steelMat, "End1_steel_shell_log", nullptr, nullptr, nullptr);
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G4double end1offset_x = 0.0 * mm;
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G4double end1offset_y = 0.0 * mm;
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G4double end1offset_z = 2.125 * mm;
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fPhysicalEnd1SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end1offset_x,end1offset_y,end1offset_z),"phys_End1_steel_shell", fLogicalEnd1SteelShell,mother, false, 0, true);
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//Define the cable weld end of the Steel shell
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G4double end2r_min1 = 0.0 * mm;
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G4double end2r_max1 = 0.85 * mm;
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G4double end2r_min2 = 0.0 * mm;
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G4double end2r_max2 = 0.5 * mm;
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G4double end2length = 0.4 * mm;
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fEnd2SteelShell = new G4Cons("End_2_steel_shell", end2r_min2, end2r_max2/2, end2r_min1, end2r_max1/2, end2length/2.0, 0.0, 360.0*deg);
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fLogicalEnd2SteelShell = new G4LogicalVolume(fEnd2SteelShell, steelMat, "End2_steel_shell_log", nullptr, nullptr, nullptr);
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G4double end2offset_x = 0.0 * mm;
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G4double end2offset_y = 0.0 * mm;
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G4double end2offset_z = -2.0 * mm;
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fPhysicalEnd2SteelShell = new G4PVPlacement(nullptr,G4ThreeVector(end2offset_x,end2offset_y,end2offset_z), "phys_End2_steel_shell", fLogicalEnd2SteelShell, mother, false, 0, true);
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//Define the cable
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G4double cable_min = 0.0 * mm;
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G4double cable_max = 0.5 * mm;
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G4double cablelength = 5.0 * mm;
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fCable = new G4Tubs("cable",cable_min, cable_max/2, cablelength/2.,0.*deg,360.*deg);
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fLogicalCable = new G4LogicalVolume(fCable, steelMat, "cable_log", nullptr, nullptr, nullptr);
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G4double cableoffset_x = 0.0 * mm;
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G4double cableoffset_y = 0.0 * mm;
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G4double cableoffset_z = -4.7 * mm;
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fPhysicalCable = new G4PVPlacement(nullptr,G4ThreeVector(cableoffset_x,cableoffset_y,cableoffset_z),"phys_cable", fLogicalCable, mother, false, 0, true);
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// Define the Iridium core
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G4double corer_min = 0.0 * mm;
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G4double corer_max = 0.6 * mm;
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G4double core_length = 3.5 * mm;
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fIridiumCore = new G4Tubs("iridium_core",corer_min, corer_max/2,core_length/2.,0.*deg,360.*deg);
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fLogicalIridiumCore = new G4LogicalVolume(fIridiumCore, iridiumMat, "iridium_core_log", nullptr, nullptr, nullptr);
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fPhysicalIridiumCore = new G4PVPlacement(nullptr,G4ThreeVector(0,0,0), "phys_iridium_core", fLogicalIridiumCore, fPhysicalAirGap, false, 0, true);
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// Visualisations
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//Shell/cable attributes
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fSteelAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
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fSteelAttributes -> SetVisibility(true);
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fSteelAttributes -> SetForceAuxEdgeVisible(true);
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fEndAttributes = new G4VisAttributes(G4Colour(1.0, 0.0, 0.0)); // red
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fEndAttributes -> SetVisibility(true);
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fEndAttributes -> SetForceAuxEdgeVisible(true);
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fLogicalSteelShell -> SetVisAttributes(fSteelAttributes);
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fLogicalEnd1SteelShell -> SetVisAttributes(fEndAttributes);
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fLogicalEnd2SteelShell -> SetVisAttributes(fEndAttributes);
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fLogicalCable -> SetVisAttributes(fSteelAttributes);
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G4Colour magenta (1.0, 0.0, 1.0) ;
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fSimpleIridiumVisAtt = new G4VisAttributes(magenta);
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fSimpleIridiumVisAtt -> SetVisibility(true);
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fSimpleIridiumVisAtt -> SetForceWireframe(true);
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fLogicalIridiumCore -> SetVisAttributes(fSimpleIridiumVisAtt);
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}
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void BrachyDetectorConstructionFlexi::CleanFlexi()
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{
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delete fSimpleIridiumVisAtt;
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fSimpleIridiumVisAtt = nullptr;
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delete fEndAttributes;
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fEndAttributes = nullptr;
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delete fSteelAttributes;
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fSteelAttributes = nullptr;
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delete fPhysicalIridiumCore;
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fPhysicalIridiumCore = nullptr ;
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delete fLogicalIridiumCore;
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fLogicalIridiumCore = nullptr;
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delete fIridiumCore;
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fIridiumCore = nullptr;
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delete fPhysicalCable;
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fPhysicalCable = nullptr;
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delete fLogicalCable;
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fLogicalCable = nullptr;
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delete fCable;
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fCable = nullptr;
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delete fPhysicalEnd2SteelShell;
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fPhysicalEnd2SteelShell = nullptr;
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delete fLogicalEnd2SteelShell;
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fLogicalEnd2SteelShell = nullptr;
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delete fEnd2SteelShell;
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fEnd2SteelShell = nullptr;
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delete fPhysicalEnd1SteelShell;
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fPhysicalEnd1SteelShell = nullptr;
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delete fLogicalEnd1SteelShell;
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fLogicalEnd1SteelShell = nullptr;
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delete fEnd1SteelShell;
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fEnd1SteelShell = nullptr;
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delete fPhysicalAirGap;
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fPhysicalAirGap = nullptr;
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delete fLogicalAirGap;
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fLogicalAirGap = nullptr;
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delete fAirGap;
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fAirGap = nullptr;
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delete fPhysicalSteelShell;
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fPhysicalSteelShell = nullptr;
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delete fLogicalSteelShell;
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fLogicalSteelShell = nullptr;
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delete fSteelShell;
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fSteelShell = nullptr;
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G4RunManager::GetRunManager() -> GeometryHasBeenModified();
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}
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