Hadr01/src/DetectorConstruction.cc

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0026 /// \file hadronic/Hadr01/src/DetectorConstruction.cc
0027 /// \brief Implementation of the DetectorConstruction class
0028 //
0029 //
0030 /////////////////////////////////////////////////////////////////////////
0031 //
0032 // DetectorConstruction
0033 //
0034 // Created: 31.01.2003 V.Ivanchenko
0035 //
0036 // Modified:
0037 // 04.06.2006 Adoptation of Hadr01 (V.Ivanchenko)
0038 //
0039 ////////////////////////////////////////////////////////////////////////
0040 //
0041
0042 #include "DetectorConstruction.hh"
0043
0044 #include "CheckVolumeSD.hh"
0045 #include "DetectorMessenger.hh"
0046 #include "HistoManager.hh"
0047 #include "TargetSD.hh"
0048
0049 #include "G4Colour.hh"
0050 #include "G4GeometryManager.hh"
0051 #include "G4LogicalVolume.hh"
0052 #include "G4LogicalVolumeStore.hh"
0053 #include "G4NistManager.hh"
0054 #include "G4PVPlacement.hh"
0055 #include "G4PhysicalConstants.hh"
0056 #include "G4PhysicalVolumeStore.hh"
0057 #include "G4RunManager.hh"
0058 #include "G4SDManager.hh"
0059 #include "G4SolidStore.hh"
0060 #include "G4SystemOfUnits.hh"
0061 #include "G4Tubs.hh"
0062 #include "G4UnitsTable.hh"
0063 #include "G4VisAttributes.hh"
0064 #include "G4ios.hh"
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 DetectorConstruction::DetectorConstruction()
0069   : G4VUserDetectorConstruction(),
0070     fTargetMaterial(nullptr),
0071     fWorldMaterial(nullptr),
0072     fSolidW(nullptr),
0073     fSolidA(nullptr),
0074     fSolidC(nullptr),
0075     fLogicTarget(nullptr),
0076     fLogicCheck(nullptr),
0077     fLogicWorld(nullptr),
0078     fPhysWorld(nullptr),
0079     fInitialized(false)
0080 {
0081   fDetectorMessenger = new DetectorMessenger(this);
0082   G4NistManager* nist = G4NistManager::Instance();
0083   fTargetMaterial = nist->FindOrBuildMaterial("G4_Al");
0084   fWorldMaterial = nist->FindOrBuildMaterial("G4_Galactic");
0085   //
0086   // define battery material using Bugzilla 2175 data
0087   //
0088   G4Element* elH = nist->FindOrBuildElement(1);
0089   G4Element* elLi = nist->FindOrBuildElement(3);
0090   G4Element* elC = nist->FindOrBuildElement(6);
0091   G4Element* elO = nist->FindOrBuildElement(8);
0092   G4Element* elAl = nist->FindOrBuildElement(13);
0093   G4Element* elTi = nist->FindOrBuildElement(22);
0094   G4Element* elCo = nist->FindOrBuildElement(27);
0095   G4Element* elCu = nist->FindOrBuildElement(29);
0096   G4Material* bat = new G4Material("Battery", 2.165 * CLHEP::g / CLHEP::cm3, 8);
0097   bat->AddElement(elC, 0.19518445618745);
0098   bat->AddElement(elAl, 0.398);
0099   bat->AddElement(elTi, 0.02);
0100   bat->AddElement(elCu, 0.084);
0101   bat->AddElement(elLi, 0.0170098229419813);
0102   bat->AddElement(elCo, 0.144570016541753);
0103   bat->AddElement(elO, 0.134206611504321);
0104   bat->AddElement(elH, 0.0070290928244947);
0105   bat->GetIonisation()->SetMeanExcitationEnergy(144.88 * eV);
0106
0107   ComputeGeomParameters();
0108 }
0109
0110 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0111
0112 DetectorConstruction::~DetectorConstruction()
0113 {
0114   delete fDetectorMessenger;
0115 }
0116
0117 void DetectorConstruction::ComputeGeomParameters()
0118 {
0119   HistoManager* histo = HistoManager::GetPointer();
0120   // Sizes
0121   fRadius = histo->Radius();
0122   fCheckR = fRadius + CLHEP::mm;
0123   fWorldR = fRadius + CLHEP::cm;
0124   fTargetZ = histo->Length() * 0.5;
0125   fCheckZ = fTargetZ + CLHEP::mm;
0126   fWorldZ = fTargetZ + CLHEP::cm;
0127
0128   fSlices = histo->NumberOfSlices();
0129   fSliceZ = fTargetZ / G4double(fSlices);
0130   if (fPhysWorld) {
0131     fSolidW->SetOuterRadius(fWorldR);
0132     fSolidW->SetZHalfLength(fWorldZ);
0133     fSolidA->SetOuterRadius(fRadius);
0134     fSolidA->SetZHalfLength(fSliceZ);
0135     fSolidC->SetOuterRadius(fCheckR);
0136     fSolidC->SetZHalfLength(fCheckZ);
0137   }
0138 }
0139
0140 G4VPhysicalVolume* DetectorConstruction::Construct()
0141 {
0142   if (nullptr != fPhysWorld) {
0143     return fPhysWorld;
0144   }
0145   ComputeGeomParameters();
0146
0147   //
0148   // World
0149   //
0150   fSolidW = new G4Tubs("World", 0., fWorldR, fWorldZ, 0., twopi);
0151   fLogicWorld = new G4LogicalVolume(fSolidW, fWorldMaterial, "World");
0152   fPhysWorld =
0153     new G4PVPlacement(nullptr, G4ThreeVector(0., 0., 0.), fLogicWorld, "World", nullptr, false, 0);
0154   //
0155   // Check volume
0156   //
0157   fSolidC = new G4Tubs("Check", 0., fCheckR, fCheckZ, 0., twopi);
0158   fLogicCheck = new G4LogicalVolume(fSolidC, fWorldMaterial, "Check");
0159   new G4PVPlacement(nullptr, G4ThreeVector(0., 0., 0.), fLogicCheck, "Check", fLogicWorld, false,
0160                     0);
0161
0162   //
0163   // Target volume
0164   //
0165   fSolidA = new G4Tubs("Target", 0., fRadius, fSliceZ, 0., twopi);
0166   fLogicTarget = new G4LogicalVolume(fSolidA, fTargetMaterial, "Target");
0167
0168   G4double z = fSliceZ - fTargetZ;
0169
0170   for (G4int i = 0; i < fSlices; ++i) {
0171     // physC =
0172     new G4PVPlacement(nullptr, G4ThreeVector(0.0, 0.0, z), fLogicTarget, "Target", fLogicCheck,
0173                       false, i);
0174     z += 2.0 * fSliceZ;
0175   }
0176   G4cout << "### Target consist of " << fSlices << " disks of " << fTargetMaterial->GetName()
0177          << " with R(mm)= " << fRadius / mm << "  Width(mm)= " << 2.0 * fSliceZ / mm
0178          << "  Total Length(mm)= " << 2.0 * fTargetZ / mm << "  ###" << G4endl;
0179
0180   // colors
0181   G4VisAttributes zero = G4VisAttributes::GetInvisible();
0182   fLogicWorld->SetVisAttributes(zero);
0183
0184   G4VisAttributes regWcolor(G4Colour(0.3, 0.3, 0.3));
0185   fLogicCheck->SetVisAttributes(regWcolor);
0186
0187   G4VisAttributes regCcolor(G4Colour(0., 0.3, 0.7));
0188   fLogicTarget->SetVisAttributes(regCcolor);
0189
0190   G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0191
0192   return fPhysWorld;
0193 }
0194
0195 void DetectorConstruction::ConstructSDandField()
0196 {
0197   if (!fInitialized) {
0198     // Prepare sensitive detectors
0199     CheckVolumeSD* fCheckSD = new CheckVolumeSD("checkSD");
0200     (G4SDManager::GetSDMpointer())->AddNewDetector(fCheckSD);
0201     fLogicCheck->SetSensitiveDetector(fCheckSD);
0202
0203     TargetSD* fTargetSD = new TargetSD("targetSD");
0204     (G4SDManager::GetSDMpointer())->AddNewDetector(fTargetSD);
0205     fLogicTarget->SetSensitiveDetector(fTargetSD);
0206     fInitialized = true;
0207   }
0208 }
0209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0210
0211 void DetectorConstruction::SetTargetMaterial(const G4String& mat)
0212 {
0213   // search the material by its name
0214   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0215
0216   if (material && material != fTargetMaterial) {
0217     fTargetMaterial = material;
0218     if (fLogicTarget) {
0219       fLogicTarget->SetMaterial(fTargetMaterial);
0220     }
0221     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0222   }
0223 }
0224
0225 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0226
0227 void DetectorConstruction::SetWorldMaterial(const G4String& mat)
0228 {
0229   // search the material by its name
0230   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0231
0232   if (material && material != fWorldMaterial) {
0233     fWorldMaterial = material;
0234     if (fLogicWorld) {
0235       fLogicWorld->SetMaterial(fWorldMaterial);
0236     }
0237     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0238   }
0239 }
0240
0241 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......