Import Geant4 9.6.0 source tree
This commit is contained in:
Gabriele Cosmo
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//
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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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// $Id$
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//
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/// \file DetectorConstruction.cc
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/// \brief Implementation of the DetectorConstruction class
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#include "DetectorConstruction.hh"
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#include "DetectorMessenger.hh"
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#include "G4Material.hh"
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#include "G4NistManager.hh"
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#include "G4Tubs.hh"
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#include "G4Trd.hh"
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#include "G4LogicalVolume.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 "G4ReflectionFactory.hh"
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#include "G4GeometryManager.hh"
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#include "G4PhysicalVolumeStore.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4SolidStore.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::DetectorConstruction()
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: G4VUserDetectorConstruction(),
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fMessenger(0),
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fMethod(kWithDirectMatrix)
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{
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fMessenger = new DetectorMessenger(this);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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DetectorConstruction::~DetectorConstruction()
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{
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delete fMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VPhysicalVolume* DetectorConstruction::Construct()
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{
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// Materials
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G4NistManager* nist = G4NistManager::Instance();
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G4bool fromIsotopes = false;
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G4Material* material = nist->FindOrBuildMaterial("G4_AIR", fromIsotopes);
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// Clean old geometry, if any
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//
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G4GeometryManager::GetInstance()->OpenGeometry();
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G4PhysicalVolumeStore::GetInstance()->Clean();
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G4LogicalVolumeStore::GetInstance()->Clean();
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G4SolidStore::GetInstance()->Clean();
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// World
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//
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G4double rmin = 0.;
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G4double rmax = 5*cm;
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G4double hz = 5*cm;
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G4double phiMin = 0.;
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G4double deltaPhi = 360*degree;
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G4Tubs* solidWorld
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= new G4Tubs("World", //name
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rmin, rmax, hz, phiMin, deltaPhi); //size
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fWorldVolume
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= new G4LogicalVolume(solidWorld, //solid
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material, //material
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"World"); //name
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G4VPhysicalVolume* physiWorld
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= new G4PVPlacement(0, //no rotation
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G4ThreeVector(), //at (0,0,0)
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fWorldVolume, //logical volume
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"World", //name
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0, //mother volume
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false, //no boolean operation
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0); //copy number
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// Trd volume
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//
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G4double dX1 = 1*cm;
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G4double dX2 = 1*cm;
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G4double dY1 = 1*cm;
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G4double dY2 = 2*cm;
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G4double dZ = 3*cm;
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G4Trd* solidTrd
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= new G4Trd("trd", //name
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dX1/2, dX2/2, dY1/2, dY2/2, dZ/2); //size
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fTrdVolume
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= new G4LogicalVolume(solidTrd, //solid
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material, //material
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"trd"); //name
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// Place Volume1 and Volume2 according to selected methods
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//
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switch ( fMethod ) {
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case kWithDirectMatrix: PlaceWithDirectMatrix(); break;
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case kWithInverseMatrix: PlaceWithInverseMatrix(); break;
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case kWithAxialRotations: PlaceWithAxialRotations(); break;
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case kWithEulerAngles: PlaceWithEulerAngles(); break;
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case kWithReflections: PlaceWithReflections(); break;
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default: ;;
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}
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// Return the root volume
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//
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return physiWorld;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PlaceWithDirectMatrix()
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{
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G4double og = 3*cm;
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// 1st position
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//
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G4double phi = 30*deg;
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// u, v, w are the daughter axes, projected on the mother frame
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G4ThreeVector u = G4ThreeVector(0, 0, -1);
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G4ThreeVector v = G4ThreeVector(-std::sin(phi), std::cos(phi),0.);
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G4ThreeVector w = G4ThreeVector( std::cos(phi), std::sin(phi),0.);
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G4RotationMatrix rotm1 = G4RotationMatrix(u, v, w);
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G4cout << "\n --> phi = " << phi/deg << " deg; direct rotation matrix : ";
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rotm1.print(G4cout);
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G4ThreeVector position1 = og*w;
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G4Transform3D transform1 = G4Transform3D(rotm1,position1);
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new G4PVPlacement(transform1, //position, rotation
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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// 2nd position
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//
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phi = phi + 90*deg;
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v = G4ThreeVector(-std::sin(phi), std::cos(phi),0.);
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w = G4ThreeVector( std::cos(phi), std::sin(phi),0.);
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G4RotationMatrix rotm2 = G4RotationMatrix(u, v, w);
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G4ThreeVector position2 = og*w;
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G4Transform3D transform2 = G4Transform3D(rotm2,position2);
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new G4PVPlacement(transform2, //position, rotation
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PlaceWithInverseMatrix()
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{
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G4double og = 3*cm;
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// 1st position
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//
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G4double phi = 30*deg;
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// u, v, w are the daughter axes, projected on the mother frame
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G4ThreeVector u = G4ThreeVector(0, 0, -1);
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G4ThreeVector v = G4ThreeVector(-std::sin(phi), std::cos(phi),0.);
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G4ThreeVector w = G4ThreeVector( std::cos(phi), std::sin(phi),0.);
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G4RotationMatrix rotm1 = G4RotationMatrix(u, v, w);
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G4RotationMatrix* rotm1Inv = new G4RotationMatrix(rotm1.inverse());
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G4cout << "\n --> phi = " << phi/deg << " deg; inverse rotation matrix : ";
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rotm1Inv->print(G4cout);
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G4ThreeVector position1 = og*w;
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new G4PVPlacement(rotm1Inv,
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position1,
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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// 2nd position
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//
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phi = phi + 90*deg;
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v = G4ThreeVector(-std::sin(phi), std::cos(phi),0.);
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w = G4ThreeVector( std::cos(phi), std::sin(phi),0.);
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G4RotationMatrix rotm2 = G4RotationMatrix(u, v, w);
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G4RotationMatrix* rotm2Inv = new G4RotationMatrix(rotm2.inverse());
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G4ThreeVector position2 = og*w;
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new G4PVPlacement(rotm2Inv, //rotation
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position2, //position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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2); //copy number
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PlaceWithAxialRotations()
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{
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G4double og = 3*cm;
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// 1st position (with first G4PVPlacement constructor)
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//
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G4double phi = 30*deg, theta = 90*deg;
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G4RotationMatrix rotm1 = G4RotationMatrix();
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rotm1.rotateY(theta);
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rotm1.rotateZ(phi);
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G4cout << "\n --> phi = " << phi/deg << " deg; direct rotation matrix : ";
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rotm1.print(G4cout);
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G4ThreeVector w = G4ThreeVector(std::cos(phi), std::sin(phi),0.);
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G4ThreeVector position1 = og*w;
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G4Transform3D transform1(rotm1,position1);
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new G4PVPlacement(transform1, //rotation,position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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// 2nd position (with second G4PVPlacement constructor)
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//
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phi = phi + 90*deg;
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//rotm2Inv could be calculated with rotm2.inverse()
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//but also by the following :
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G4RotationMatrix* rotm2Inv = new G4RotationMatrix();
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rotm2Inv->rotateZ(-phi);
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rotm2Inv->rotateY(-theta);
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w = G4ThreeVector(std::cos(phi), std::sin(phi),0.);
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G4ThreeVector position2 = og*w;
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new G4PVPlacement(rotm2Inv, //rotation
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position2, //position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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2); //copy number
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PlaceWithEulerAngles()
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{
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//definitions : mother frame = {x,y,z} ; daughter frame = {u,v,w}
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// n = node line = intercept of xy and uv planes
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// phi_euler = (x,n) : precession
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// theta_euler = (z,w) : nutation
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// psi_euler = (n,u) : proper rotation
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G4double og = 3*cm;
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// 1st position (with first G4PVPlacement constructor)
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//
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G4double phi = 30*deg;
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G4double phi_euler = phi + pi/2;
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G4double theta_euler = 90*deg;
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G4double psi_euler = -90*deg;
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//attention : clhep Euler constructor build inverse matrix !
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G4RotationMatrix rotm1Inv = G4RotationMatrix(phi_euler,theta_euler,psi_euler);
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G4RotationMatrix rotm1 = rotm1Inv.inverse();
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//remark : could be built as rotm1 = G4RotationMatrix(-psi, -theta, -phi)
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G4cout << "\n --> phi = " << phi/deg << " deg; direct rotation matrix : ";
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rotm1.print(G4cout);
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G4ThreeVector w = G4ThreeVector(std::cos(phi), std::sin(phi),0.);
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G4ThreeVector position1 = og*w;
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G4Transform3D transform1 = G4Transform3D(rotm1,position1);
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new G4PVPlacement(transform1, //position, rotation
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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// 2nd position (with second G4PVPlacement constructor)
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//
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phi = phi + 90*deg;
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phi_euler = phi + pi/2;
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G4RotationMatrix* rotm2Inv
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= new G4RotationMatrix(phi_euler,theta_euler,psi_euler);
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w = G4ThreeVector(std::cos(phi), std::sin(phi),0.);
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G4ThreeVector position2 = og*w;
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new G4PVPlacement(rotm2Inv, //rotation
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position2, //position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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2); //copy number
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void DetectorConstruction::PlaceWithReflections()
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{
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/// Placement with reflcetions.
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/// In order to better show the reflection symmetry we do not apply
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/// the rotation along Y axis.
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G4double og = 3*cm;
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// Place first two positionz in z = - 3cm
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//
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// 1st position
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G4double phi = 30*deg;
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G4RotationMatrix rotm1;
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//rotm1.rotateY(90*deg);
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rotm1.rotateZ(phi);
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G4ThreeVector uz = G4ThreeVector(std::cos(phi), std::sin(phi), 0);
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G4ThreeVector position = og*uz;
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G4Transform3D transform1(rotm1,position);
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G4Transform3D translateZ = HepGeom::Translate3D(0, 0, -3.*cm);
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new G4PVPlacement(translateZ * transform1, //rotation,position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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1); //copy number
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// 2nd position
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phi = phi + pi/2 ;
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G4RotationMatrix rotm2;
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//rotm2.rotateY(90*deg);
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rotm2.rotateZ(phi);
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uz = G4ThreeVector(std::cos(phi), std::sin(phi), 0.);
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position = og*uz;
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G4Transform3D transform2 = G4Transform3D(rotm2, position);
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new G4PVPlacement(translateZ * transform2, //rotation, position
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fTrdVolume, //logical volume
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"Trd", //name
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fWorldVolume, //mother volume
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false, //no boolean operation
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2); //copy number
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// Place next two positionz in z = + 3cm with reflection
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//
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// 3rd position
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translateZ = HepGeom::Translate3D(0, 0, +3.*cm);
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G4Transform3D reflect3D = HepGeom::ReflectZ3D();
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G4ReflectionFactory::Instance()
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->Place(translateZ * transform1 * reflect3D, //rotation,position
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"Trd", //name
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fTrdVolume, //logical volume
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fWorldVolume, //mother volume
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false, //no boolean operation
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3); //copy number
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// 4rd position
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G4ReflectionFactory::Instance()
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->Place( translateZ * transform2 * reflect3D,//rotation,position
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"Trd", //name
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fTrdVolume, //logical volume
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fWorldVolume, //mother volume
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false, //no boolean operation
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4); //copy number
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4RunManager.hh"
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void DetectorConstruction::SetMethod(EMethod method) {
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fMethod = method;
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G4RunManager::GetRunManager()->DefineWorldVolume(Construct());
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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