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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