Hadr00/src/DetectorConstruction.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 /// \file hadronic/Hadr00/src/DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028 //
0029 //
0030 /////////////////////////////////////////////////////////////////////////
0031 //
0032 // DetectorConstruction
0033 //
0034 // Created: 20.06.2008 V.Ivanchenko
0035 //
0036 // Modified:
0037 //
0038 ////////////////////////////////////////////////////////////////////////
0039 //
0040
0041 #include "DetectorConstruction.hh"
0042
0043 #include "DetectorMessenger.hh"
0044
0045 #include "G4Colour.hh"
0046 #include "G4GeometryManager.hh"
0047 #include "G4LogicalVolume.hh"
0048 #include "G4LogicalVolumeStore.hh"
0049 #include "G4NistManager.hh"
0050 #include "G4PVPlacement.hh"
0051 #include "G4PhysicalConstants.hh"
0052 #include "G4PhysicalVolumeStore.hh"
0053 #include "G4RunManager.hh"
0054 #include "G4SolidStore.hh"
0055 #include "G4SystemOfUnits.hh"
0056 #include "G4Tubs.hh"
0057 #include "G4UnitsTable.hh"
0058 #include "G4VisAttributes.hh"
0059 #include "G4ios.hh"
0060
0061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0062
0063 DetectorConstruction::DetectorConstruction()
0064   : G4VUserDetectorConstruction(),
0065     fTargetMaterial(nullptr),
0066     fWorldMaterial(nullptr),
0067     fSolidW(nullptr),
0068     fSolidA(nullptr),
0069     fLogicTarget(nullptr),
0070     fLogicWorld(nullptr),
0071     fPhysWorld(nullptr),
0072     fPhysList(nullptr)
0073 {
0074   fDetectorMessenger = new DetectorMessenger(this);
0075
0076   fRadius = 5. * cm;
0077   fLength = 10. * cm;
0078
0079   fTargetMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Al");
0080   fWorldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
0081
0082   ComputeGeomParameters();
0083 }
0084
0085 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0086
0087 DetectorConstruction::~DetectorConstruction()
0088 {
0089   delete fDetectorMessenger;
0090 }
0091
0092 void DetectorConstruction::ComputeGeomParameters()
0093 {
0094   // Sizes
0095   fWorldR = fRadius + CLHEP::cm;
0096   fWorldZ = fLength + CLHEP::cm;
0097   if (fPhysWorld) {
0098     fSolidW->SetOuterRadius(fWorldR);
0099     fSolidW->SetZHalfLength(fWorldZ * 0.5);
0100     fSolidA->SetOuterRadius(fRadius);
0101     fSolidA->SetZHalfLength(fLength * 0.5);
0102   }
0103 }
0104
0105 G4VPhysicalVolume* DetectorConstruction::Construct()
0106 {
0107   if (fPhysWorld) {
0108     return fPhysWorld;
0109   }
0110   ComputeGeomParameters();
0111
0112   //
0113   // World
0114   //
0115   fSolidW = new G4Tubs("World", 0., fWorldR, 0.5 * fWorldZ, 0., twopi);
0116   fLogicWorld = new G4LogicalVolume(fSolidW, fWorldMaterial, "World");
0117   fPhysWorld =
0118     new G4PVPlacement(nullptr, G4ThreeVector(0., 0., 0.), fLogicWorld, "World", nullptr, false, 0);
0119
0120   //
0121   // Target volume
0122   //
0123   fSolidA = new G4Tubs("Target", 0., fRadius, 0.5 * fLength, 0., twopi);
0124   fLogicTarget = new G4LogicalVolume(fSolidA, fTargetMaterial, "Target");
0125   new G4PVPlacement(nullptr, G4ThreeVector(), fLogicTarget, "Target", fLogicWorld, false, 0);
0126
0127   G4cout << "### Target consist of " << fTargetMaterial->GetName()
0128          << " disks with R(mm)= " << fRadius / mm << "  fLength(mm)= " << fLength / mm << "  ###"
0129          << G4endl;
0130
0131   // colors
0132   fLogicWorld->SetVisAttributes(G4VisAttributes::GetInvisible());
0133
0134   G4VisAttributes* regCcolor = new G4VisAttributes(G4Colour(0., 0.3, 0.7));
0135   fLogicTarget->SetVisAttributes(regCcolor);
0136
0137   G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0138
0139   return fPhysWorld;
0140 }
0141
0142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0143
0144 void DetectorConstruction::SetTargetMaterial(const G4String& mat)
0145 {
0146   // search the material by its name
0147   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0148
0149   if (material && material != fTargetMaterial) {
0150     fTargetMaterial = material;
0151     if (fLogicTarget) {
0152       fLogicTarget->SetMaterial(fTargetMaterial);
0153     }
0154     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0155   }
0156 }
0157
0158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0159
0160 void DetectorConstruction::SetWorldMaterial(const G4String& mat)
0161 {
0162   // search the material by its name
0163   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0164
0165   if (material && material != fWorldMaterial) {
0166     fWorldMaterial = material;
0167     if (fLogicWorld) {
0168       fLogicWorld->SetMaterial(fWorldMaterial);
0169     }
0170     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0171   }
0172 }
0173
0174 void DetectorConstruction::SetTargetRadius(G4double val)
0175 {
0176   if (val > 0.0 && val != fRadius) {
0177     fRadius = val;
0178     ComputeGeomParameters();
0179   }
0180 }
0181
0182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0183
0184 void DetectorConstruction::SetTargetLength(G4double val)
0185 {
0186   if (val > 0.0 && val != fLength) {
0187     fLength = val;
0188     ComputeGeomParameters();
0189   }
0190 }
0191
0192 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......