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Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // This example is provided by the Geant4-DNA collaboration // Any report or published results obtained using the Geant4-DNA software // shall cite the following Geant4-DNA collaboration publication: // Med. Phys. 37 (2010) 4692-4708 // The Geant4-DNA web site is available at http://geant4-dna.org // #include "DetectorConstruction.hh" #include "DetectorMessenger.hh" #include "G4SystemOfUnits.hh" #include "G4UserLimits.hh" #include "G4NistManager.hh" #include "G4RunManager.hh" //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... DetectorConstruction::DetectorConstruction() :fPhysiWorld(NULL), fLogicWorld(NULL), fSolidWorld(NULL) { // create commands for interactive definition of the detector fDetectorMessenger = new DetectorMessenger(this); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... DetectorConstruction::~DetectorConstruction() { delete fDetectorMessenger; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... G4VPhysicalVolume* DetectorConstruction::Construct() { DefineMaterials(); return ConstructDetector(); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... void DetectorConstruction::DefineMaterials() { // Water is defined from NIST material database G4NistManager * man = G4NistManager::Instance(); G4Material * H2O = man->FindOrBuildMaterial("G4_WATER"); // If one wishes to test other density value for water material, one should use instead: // G4Material * H2O = man->BuildMaterialWithNewDensity("G4_WATER_MODIFIED","G4_WATER",1.100*g/cm3); // Note: any string for "G4_WATER_MODIFIED" parameter is accepted // and "G4_WATER" parameter should not be changed // Both materials are created and can be selected from dna.mac fWaterMaterial = H2O; //G4cout << "-> Density of water material (g/cm3)=" << fWaterMaterial->GetDensity()/(g/cm/cm/cm) << G4endl; G4cout << *(G4Material::GetMaterialTable()) << G4endl; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... G4VPhysicalVolume* DetectorConstruction::ConstructDetector() { //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... // WORLD VOLUME fWorldSizeX = 100*micrometer; fWorldSizeY = fWorldSizeX; fWorldSizeZ = fWorldSizeX; fSolidWorld = new G4Box("World", //its name fWorldSizeX/2,fWorldSizeY/2,fWorldSizeZ/2); //its size fLogicWorld = new G4LogicalVolume(fSolidWorld, //its solid fWaterMaterial, //its material "World"); //its name fPhysiWorld = new G4PVPlacement(0, //no rotation G4ThreeVector(), //at (0,0,0) "World", //its name fLogicWorld, //its logical volume 0, //its mother volume false, //no boolean operation 0); //copy number // Visualization attributes G4VisAttributes* worldVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); //White worldVisAtt->SetVisibility(true); fLogicWorld->SetVisAttributes(worldVisAtt); G4VisAttributes* worldVisAtt1 = new G4VisAttributes(G4Colour(1.0,0.0,0.0)); worldVisAtt1->SetVisibility(true); // // Shows how to introduce a 20 eV tracking cut //fLogicWorld->SetUserLimits(new G4UserLimits(DBL_MAX,DBL_MAX,DBL_MAX,20*eV)); return fPhysiWorld; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... void DetectorConstruction::SetMaterial(G4String materialChoice) { // Search the material by its name G4Material* pttoMaterial = G4NistManager::Instance()->FindOrBuildMaterial(materialChoice); if (pttoMaterial) { fWaterMaterial = pttoMaterial; fLogicWorld->SetMaterial(fWaterMaterial); G4RunManager::GetRunManager()->PhysicsHasBeenModified(); } } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void DetectorConstruction::UpdateGeometry() { G4RunManager::GetRunManager()->PhysicsHasBeenModified(); G4RunManager::GetRunManager()->DefineWorldVolume(ConstructDetector()); }