| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: PhotInGapParameterisation.cc,v 1.5 2006/06/29 16:25:15 gunter Exp $
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| 28 | // GEANT4 tag $Name: $
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| 29 | //
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| 30 |
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| 31 | //#define debug
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| 32 |
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| 33 | #include "PhotInGapParameterisation.hh"
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| 34 |
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| 35 | PhotInGapParameterisation::PhotInGapParameterisation()
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| 36 | :numberOfSlabs(PhotInNOfSlabs),gapMaterial(0),hyTot(1.),hzLay(1.),sampFract(.5) {}
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| 37 |
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| 38 | PhotInGapParameterisation::~PhotInGapParameterisation() {}
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| 39 |
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| 40 | void PhotInGapParameterisation::ComputeTransformation(const G4int copyNo,
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| 41 | G4VPhysicalVolume* physVol) const
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| 42 | {
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| 43 | G4double halfZ = hzLay*sampFract; // half thichness of a slab of active part of layer
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| 44 | G4double halfY = hyTot/numberOfSlabs; // half width of each slab after the subdivision
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| 45 | G4double Zposition= halfZ - hzLay; // Z-Position of all Active Gaps (rest is absorber)
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| 46 | G4double Yposition= (copyNo+copyNo)*halfY - (hyTot-halfY); // Trans (y) position of slabs
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| 47 | #ifdef debug
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| 48 | G4cout<<"PhotInGapParameterisation::ComputeTransformation: hZ="<<halfZ<<", hY="<<halfY
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| 49 | <<", Z="<<Zposition<<", Y="<<Yposition<<G4endl;
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| 50 | #endif
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| 51 | G4ThreeVector origin(0,Yposition,Zposition); // 3-vector for positioning of the slabs
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| 52 | physVol->SetTranslation(origin); // Positioning of the slab
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| 53 | physVol->SetRotation(0); // without rotation (which is possible!)
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| 54 | physVol->SetName(PhotInSlabName); // Name of the positioned slab
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| 55 | }
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| 56 |
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| 57 | G4Material* PhotInGapParameterisation::
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| 58 | ComputeMaterial(const G4int, G4VPhysicalVolume*, const G4VTouchable*)
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| 59 | {
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| 60 | return gapMaterial; // Material can be different for different slabs
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| 61 | }
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| 62 |
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