95 lines
3.9 KiB
C++
95 lines
3.9 KiB
C++
//
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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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//
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/// \file B2bChamberParameterisation.cc
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/// \brief Implementation of the B2bChamberParameterisation class
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#include "B2bChamberParameterisation.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4ThreeVector.hh"
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#include "G4Tubs.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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B2bChamberParameterisation::B2bChamberParameterisation(
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G4int noChambers,
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G4double startZ, // Z of center of first
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G4double spacingZ, // Z spacing of centers
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G4double widthChamber,
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G4double lengthInitial,
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G4double lengthFinal )
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: G4VPVParameterisation()
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{
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fNoChambers = noChambers;
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fStartZ = startZ;
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fHalfWidth = 0.5*widthChamber;
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fSpacing = spacingZ;
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fRmaxFirst = 0.5 * lengthInitial;
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if( noChambers > 0 ){
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fRmaxIncr = 0.5 * (lengthFinal-lengthInitial)/(noChambers-1);
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if (spacingZ < widthChamber) {
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G4Exception("B2bChamberParameterisation::B2bChamberParameterisation()",
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"InvalidSetup", FatalException,
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"Width>Spacing");
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}
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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B2bChamberParameterisation::~B2bChamberParameterisation()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void B2bChamberParameterisation::ComputeTransformation
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(const G4int copyNo, G4VPhysicalVolume* physVol) const
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{
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// Note: copyNo will start with zero!
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G4double Zposition = fStartZ + copyNo * fSpacing;
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G4ThreeVector origin(0,0,Zposition);
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physVol->SetTranslation(origin);
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physVol->SetRotation(0);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void B2bChamberParameterisation::ComputeDimensions
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(G4Tubs& trackerChamber, const G4int copyNo, const G4VPhysicalVolume*) const
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{
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// Note: copyNo will start with zero!
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G4double rmax = fRmaxFirst + copyNo * fRmaxIncr;
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trackerChamber.SetInnerRadius(0);
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trackerChamber.SetOuterRadius(rmax);
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trackerChamber.SetZHalfLength(fHalfWidth);
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trackerChamber.SetStartPhiAngle(0.*deg);
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trackerChamber.SetDeltaPhiAngle(360.*deg);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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