Hadr02/src/DetectorConstruction.cc

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0025 //
0026 /// \file hadronic/Hadr02/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 "DetectorMessenger.hh"
0045 #include "HistoManager.hh"
0046 #include "TargetSD.hh"
0047
0048 #include "G4Colour.hh"
0049 #include "G4GeometryManager.hh"
0050 #include "G4LogicalVolume.hh"
0051 #include "G4LogicalVolumeStore.hh"
0052 #include "G4NistManager.hh"
0053 #include "G4PVPlacement.hh"
0054 #include "G4PhysicalConstants.hh"
0055 #include "G4PhysicalVolumeStore.hh"
0056 #include "G4RunManager.hh"
0057 #include "G4SDManager.hh"
0058 #include "G4SolidStore.hh"
0059 #include "G4SystemOfUnits.hh"
0060 #include "G4Tubs.hh"
0061 #include "G4UnitsTable.hh"
0062 #include "G4VisAttributes.hh"
0063 #include "G4ios.hh"
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 DetectorConstruction::DetectorConstruction()
0068   : G4VUserDetectorConstruction(),
0069     fRadius(10. * cm),
0070     fTargetMaterial(0),
0071     fWorldMaterial(0),
0072     fTargetSD(0),
0073     fLogicTarget(0),
0074     fLogicWorld(0),
0075     fDetectorMessenger(0)
0076
0077 {
0078   fDetectorMessenger = new DetectorMessenger(this);
0079
0080   fTargetMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Al");
0081   fWorldMaterial = G4NistManager::Instance()->FindOrBuildMaterial("G4_Galactic");
0082   HistoManager::GetPointer()->SetTargetMaterial(fTargetMaterial);
0083
0084   // Prepare sensitive detectors
0085   fTargetSD = new TargetSD("targetSD");
0086   G4SDManager::GetSDMpointer()->AddNewDetector(fTargetSD);
0087 }
0088
0089 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0090
0091 DetectorConstruction::~DetectorConstruction()
0092 {
0093   delete fDetectorMessenger;
0094 }
0095
0096 G4VPhysicalVolume* DetectorConstruction::Construct()
0097 {
0098   // Cleanup old geometry
0099   G4GeometryManager::GetInstance()->OpenGeometry();
0100   G4PhysicalVolumeStore::GetInstance()->Clean();
0101   G4LogicalVolumeStore::GetInstance()->Clean();
0102   G4SolidStore::GetInstance()->Clean();
0103
0104   // Sizes
0105   G4double checkR = fRadius + mm;
0106   G4double worldR = fRadius + cm;
0107   G4double targetZ = HistoManager::GetPointer()->Length() * 0.5;
0108   G4double checkZ = targetZ + mm;
0109   G4double worldZ = targetZ + cm;
0110
0111   G4int nSlices = HistoManager::GetPointer()->NumberOfSlices();
0112   G4double sliceZ = targetZ / G4double(nSlices);
0113
0114   //
0115   // World
0116   G4Tubs* solidW = new G4Tubs("World", 0., worldR, worldZ, 0., twopi);
0117   fLogicWorld = new G4LogicalVolume(solidW, fWorldMaterial, "World");
0118   G4VPhysicalVolume* world =
0119     new G4PVPlacement(0, G4ThreeVector(), fLogicWorld, "World", 0, false, 0);
0120   //
0121   // Check volume
0122   //
0123   G4Tubs* solidC = new G4Tubs("Check", 0., checkR, checkZ, 0., twopi);
0124   G4LogicalVolume* logicCheck = new G4LogicalVolume(solidC, fWorldMaterial, "World");
0125   new G4PVPlacement(0, G4ThreeVector(), logicCheck, "World", fLogicWorld, false, 0);
0126
0127   //
0128   // Target volume
0129   //
0130   G4Tubs* solidA = new G4Tubs("Target", 0., fRadius, sliceZ, 0., twopi);
0131   fLogicTarget = new G4LogicalVolume(solidA, fTargetMaterial, "Target");
0132   fLogicTarget->SetSensitiveDetector(fTargetSD);
0133
0134   G4double z = sliceZ - targetZ;
0135
0136   for (G4int i = 0; i < nSlices; i++) {
0137     // physC =
0138     new G4PVPlacement(0, G4ThreeVector(0.0, 0.0, z), fLogicTarget, "Target", logicCheck, false, i);
0139     z += 2.0 * sliceZ;
0140   }
0141   G4cout << "### Target consist of " << nSlices << " of " << fTargetMaterial->GetName()
0142          << " disks with R(mm)= " << fRadius / mm << "  Width(mm)= " << 2.0 * sliceZ / mm
0143          << "  Total Length(mm)= " << 2.0 * targetZ / mm << "  ###" << G4endl;
0144
0145   // colors
0146   G4VisAttributes zero = G4VisAttributes::GetInvisible();
0147   fLogicWorld->SetVisAttributes(zero);
0148
0149   G4VisAttributes regWcolor(G4Colour(0.3, 0.3, 0.3));
0150   logicCheck->SetVisAttributes(regWcolor);
0151
0152   G4VisAttributes regCcolor(G4Colour(0., 0.3, 0.7));
0153   fLogicTarget->SetVisAttributes(regCcolor);
0154
0155   G4cout << *(G4Material::GetMaterialTable()) << G4endl;
0156
0157   return world;
0158 }
0159
0160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0161
0162 void DetectorConstruction::SetTargetMaterial(const G4String& mat)
0163 {
0164   // search the material by its name
0165   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0166
0167   if (material && material != fTargetMaterial) {
0168     HistoManager::GetPointer()->SetTargetMaterial(material);
0169     fTargetMaterial = material;
0170     if (fLogicTarget) {
0171       fLogicTarget->SetMaterial(fTargetMaterial);
0172     }
0173     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0174   }
0175 }
0176
0177 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0178
0179 void DetectorConstruction::SetWorldMaterial(const G4String& mat)
0180 {
0181   // search the material by its name
0182   G4Material* material = G4NistManager::Instance()->FindOrBuildMaterial(mat);
0183
0184   if (material && material != fWorldMaterial) {
0185     fWorldMaterial = material;
0186     if (fLogicWorld) {
0187       fLogicWorld->SetMaterial(fWorldMaterial);
0188     }
0189     G4RunManager::GetRunManager()->PhysicsHasBeenModified();
0190   }
0191 }
0192
0193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0194
0195 void DetectorConstruction::SetTargetRadius(G4double val)
0196 {
0197   if (val > 0.0) {
0198     fRadius = val;
0199     G4RunManager::GetRunManager()->GeometryHasBeenModified();
0200   }
0201 }
0202
0203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......