[807] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // |
---|
| 27 | // -------------------------------------------------------------- |
---|
| 28 | // GEANT 4 - ULTRA experiment example |
---|
| 29 | // -------------------------------------------------------------- |
---|
| 30 | // |
---|
| 31 | // Code developed by: |
---|
| 32 | // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues |
---|
| 33 | // |
---|
| 34 | // **************************************************** |
---|
| 35 | // * UltraFresnelLensParameterisation.cc |
---|
| 36 | // **************************************************** |
---|
| 37 | // |
---|
| 38 | // Class derived from G4VPVParameterisation and used to define a Fresnel lens geometry |
---|
| 39 | // through a parameterised replication of G4Cons volumes. These volumes are frustra |
---|
| 40 | // of cones describing the lens grooves. |
---|
| 41 | // An UltraFresnelLensParameterisation object is created in the UltraFresnelLens class |
---|
| 42 | // |
---|
| 43 | #include <cmath> |
---|
| 44 | #include "UltraFresnelLensParameterisation.hh" |
---|
| 45 | #include "UltraFresnelLens.hh" |
---|
| 46 | |
---|
| 47 | #include "G4VPhysicalVolume.hh" |
---|
| 48 | #include "G4ThreeVector.hh" |
---|
| 49 | #include "G4Cons.hh" |
---|
| 50 | |
---|
| 51 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 52 | |
---|
| 53 | UltraFresnelLensParameterisation::UltraFresnelLensParameterisation(UltraFresnelLens* Lens) |
---|
| 54 | { |
---|
| 55 | |
---|
| 56 | FresnelLens = Lens ; |
---|
| 57 | GrooveWidth = Lens->GetGrooveWidth() ; |
---|
| 58 | NumberOfGrooves = Lens->GetNumberOfGrooves() ; |
---|
| 59 | |
---|
| 60 | dZOffset = Lens->GetSagita((NumberOfGrooves-0)*(GrooveWidth)) - |
---|
| 61 | Lens->GetSagita((NumberOfGrooves-1)*(GrooveWidth)) ; |
---|
| 62 | } |
---|
| 63 | |
---|
| 64 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 65 | |
---|
| 66 | UltraFresnelLensParameterisation::~UltraFresnelLensParameterisation() |
---|
| 67 | {;} |
---|
| 68 | |
---|
| 69 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 70 | |
---|
| 71 | void UltraFresnelLensParameterisation::ComputeTransformation |
---|
| 72 | (const G4int GrooveNo, G4VPhysicalVolume* physVol) const |
---|
| 73 | { |
---|
| 74 | |
---|
| 75 | G4double Rmin1 = (GrooveNo+0)*(GrooveWidth) ; |
---|
| 76 | G4double Rmax1 = (GrooveNo+1)*(GrooveWidth) ; |
---|
| 77 | |
---|
| 78 | G4double dZ = FresnelLens->GetSagita(Rmax1) - FresnelLens->GetSagita(Rmin1) ; |
---|
| 79 | |
---|
| 80 | if (dZ <= 0.0){ |
---|
| 81 | G4Exception("UltraFresnelLensParameterisation::ComputeTransformation: Groove depth<0 !"); |
---|
| 82 | } |
---|
| 83 | |
---|
| 84 | G4ThreeVector origin(0,0,(dZ-dZOffset)/2.); |
---|
| 85 | physVol->SetTranslation(origin); |
---|
| 86 | physVol->SetRotation(0); |
---|
| 87 | } |
---|
| 88 | |
---|
| 89 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
| 90 | |
---|
| 91 | void UltraFresnelLensParameterisation::ComputeDimensions |
---|
| 92 | (G4Cons& Groove, const G4int GrooveNo, const G4VPhysicalVolume*) const |
---|
| 93 | { |
---|
| 94 | G4double Rmin1 = (GrooveNo+0)*(GrooveWidth) ; |
---|
| 95 | G4double Rmax1 = (GrooveNo+1)*(GrooveWidth) ; |
---|
| 96 | |
---|
| 97 | G4double Rmin2 = Rmin1 ; |
---|
| 98 | G4double Rmax2 = Rmin2+0.0001*mm ; |
---|
| 99 | |
---|
| 100 | G4double dZ = FresnelLens->GetSagita(Rmax1) - FresnelLens->GetSagita(Rmin1) ; |
---|
| 101 | |
---|
| 102 | if (dZ <= 0.0){ |
---|
| 103 | G4Exception("UltraFresnelLensParameterisation::ComputeDimensions: Groove depth<0 !"); |
---|
| 104 | } |
---|
| 105 | |
---|
| 106 | |
---|
| 107 | Groove.SetInnerRadiusMinusZ(Rmin1) ; |
---|
| 108 | Groove.SetOuterRadiusMinusZ(Rmax1) ; |
---|
| 109 | |
---|
| 110 | Groove.SetInnerRadiusPlusZ(Rmin2) ; |
---|
| 111 | Groove.SetOuterRadiusPlusZ(Rmax2) ; |
---|
| 112 | |
---|
| 113 | Groove.SetZHalfLength(dZ/2.) ; |
---|
| 114 | |
---|
| 115 | #ifdef ULTRA_VERBOSE |
---|
| 116 | |
---|
| 117 | G4cout << "UltraFresnelLensParameterisation: GrooveNo " << GrooveNo+1 << |
---|
| 118 | " Rmin1, Rmax1(mm): " << Rmin1/mm <<" "<< Rmax1/mm << " dZ(mm) " << dZ/mm << G4endl ; |
---|
| 119 | #endif |
---|
| 120 | |
---|
| 121 | |
---|
| 122 | |
---|
| 123 | } |
---|
| 124 | |
---|