[1316] | 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: testG4ParameterisedMaterial.cc,v 1.9 2006/06/29 18:58:40 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-04-beta-cand-01 $ |
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| 29 | // |
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| 30 | // |
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| 31 | // Test the Navigation in geometry with parameterised volumes (which |
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| 32 | // include rotations as well as translations). |
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| 33 | // Locate & Step within simple boxlike geometry, both |
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| 34 | // with and without voxels. Parameterised volumes are included. |
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| 35 | // Started from testG4Parameterised.cc |
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| 36 | |
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| 37 | #include <assert.h> |
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| 38 | #include "G4ios.hh" |
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| 39 | #include "ApproxEqual.hh" |
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| 40 | |
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| 41 | // Global defs |
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| 42 | #include "globals.hh" |
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| 43 | |
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| 44 | #include "G4LogicalVolume.hh" |
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| 45 | #include "G4VPhysicalVolume.hh" |
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| 46 | #include "G4PVPlacement.hh" |
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| 47 | #include "G4PVParameterised.hh" |
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| 48 | #include "G4VPVParameterisation.hh" |
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| 49 | #include "G4Box.hh" |
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| 50 | |
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| 51 | #include "G4GeometryManager.hh" |
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| 52 | |
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| 53 | #include "G4RotationMatrix.hh" |
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| 54 | #include "G4ThreeVector.hh" |
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| 55 | |
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| 56 | #include "G4UnitsTable.hh" |
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| 57 | #include "G4Element.hh" |
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| 58 | #include "G4Material.hh" |
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| 59 | |
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| 60 | G4Material *Air, *Pb, *Xenon; |
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| 61 | |
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| 62 | // Sample Parameterisation with varied materials |
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| 63 | class MoveRot_andMaterial : public G4VPVParameterisation |
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| 64 | { |
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| 65 | public: |
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| 66 | |
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| 67 | MoveRot_andMaterial(G4double twistAngle) |
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| 68 | { |
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| 69 | fTwistAngle= twistAngle; |
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| 70 | fRotationVec= new G4RotationMatrix(); |
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| 71 | } |
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| 72 | |
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| 73 | virtual ~MoveRot_andMaterial() |
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| 74 | { |
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| 75 | delete fRotationVec; |
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| 76 | } |
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| 77 | |
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| 78 | G4double GetTwistAngle() |
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| 79 | { |
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| 80 | return fTwistAngle; |
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| 81 | } |
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| 82 | |
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| 83 | void SetTwistAngle(G4double newAngle ) |
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| 84 | { |
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| 85 | fTwistAngle= newAngle; |
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| 86 | } |
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| 87 | |
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| 88 | private: |
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| 89 | |
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| 90 | virtual void ComputeTransformation(const G4int n, G4VPhysicalVolume* pRep) const |
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| 91 | { |
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| 92 | pRep->SetTranslation(G4ThreeVector(0,n*100,0)); |
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| 93 | *fRotationVec = G4RotationMatrix(); // Unit matrix |
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| 94 | fRotationVec->rotateZ( n * fTwistAngle ); |
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| 95 | pRep->SetRotation( fRotationVec ); |
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| 96 | } |
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| 97 | |
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| 98 | virtual void ComputeDimensions( G4Box &pBox, |
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| 99 | const G4int, |
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| 100 | const G4VPhysicalVolume*) const |
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| 101 | { |
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| 102 | pBox.SetXHalfLength(10); |
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| 103 | pBox.SetYHalfLength(10); |
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| 104 | pBox.SetZHalfLength(10); |
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| 105 | } |
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| 106 | |
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| 107 | virtual void ComputeDimensions(G4Tubs &, |
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| 108 | const G4int , |
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| 109 | const G4VPhysicalVolume*) const {} |
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| 110 | virtual void ComputeDimensions(G4Trd &, |
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| 111 | const G4int, |
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| 112 | const G4VPhysicalVolume*) const {} |
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| 113 | virtual void ComputeDimensions(G4Cons &, |
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| 114 | const G4int , |
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| 115 | const G4VPhysicalVolume*) const {} |
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| 116 | virtual void ComputeDimensions(G4Trap &, |
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| 117 | const G4int , |
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| 118 | const G4VPhysicalVolume*) const {} |
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| 119 | virtual void ComputeDimensions(G4Hype &, |
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| 120 | const G4int , |
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| 121 | const G4VPhysicalVolume*) const {} |
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| 122 | virtual void ComputeDimensions(G4Orb &, |
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| 123 | const G4int , |
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| 124 | const G4VPhysicalVolume*) const {} |
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| 125 | virtual void ComputeDimensions(G4Sphere &, |
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| 126 | const G4int , |
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| 127 | const G4VPhysicalVolume*) const {} |
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| 128 | virtual void ComputeDimensions(G4Torus &, |
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| 129 | const G4int , |
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| 130 | const G4VPhysicalVolume*) const {} |
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| 131 | virtual void ComputeDimensions(G4Para &, |
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| 132 | const G4int , |
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| 133 | const G4VPhysicalVolume*) const {} |
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| 134 | virtual void ComputeDimensions(G4Polycone &, |
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| 135 | const G4int , |
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| 136 | const G4VPhysicalVolume*) const {} |
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| 137 | virtual void ComputeDimensions(G4Polyhedra &, |
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| 138 | const G4int , |
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| 139 | const G4VPhysicalVolume*) const {} |
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| 140 | private: |
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| 141 | G4RotationMatrix *fRotationVec; |
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| 142 | G4double fTwistAngle; |
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| 143 | }; |
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| 144 | |
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| 145 | G4double angle1= 15.0*pi/180.; |
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| 146 | MoveRot_andMaterial myParam(angle1); |
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| 147 | |
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| 148 | // Build simple geometry: |
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| 149 | // 4 small cubes (G4Boxes) are positioned inside a larger cuboid |
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| 150 | G4VPhysicalVolume* BuildGeometry() |
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| 151 | { |
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| 152 | |
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| 153 | //--------- Material definition --------- |
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| 154 | |
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| 155 | G4double a, iz, z, density; |
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| 156 | G4String name, symbol; |
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| 157 | G4double temperature, pressure; |
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| 158 | G4int nel; |
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| 159 | |
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| 160 | //Air |
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| 161 | a = 14.01*g/mole; |
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| 162 | G4Element* elN = new G4Element(name="Nitrogen", symbol="N", iz=7., a); |
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| 163 | a = 16.00*g/mole; |
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| 164 | G4Element* elO = new G4Element(name="Oxigen", symbol="O", iz=8., a); |
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| 165 | density = 1.29*mg/cm3; |
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| 166 | // G4Material* |
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| 167 | Air = new G4Material(name="Air", density, nel=2); |
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| 168 | Air->AddElement(elN, .7); |
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| 169 | Air->AddElement(elO, .3); |
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| 170 | |
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| 171 | //Pb |
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| 172 | a = 207.19*g/mole; |
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| 173 | density = 11.35*g/cm3; |
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| 174 | Pb = new G4Material(name="Pb", z=82., a, density); |
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| 175 | |
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| 176 | //Xenon gas |
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| 177 | density = 5.458*mg/cm3; |
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| 178 | pressure = 1*atmosphere; |
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| 179 | temperature = 293.15*kelvin; |
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| 180 | // G4Material* |
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| 181 | Xenon = new G4Material(name="XenonGas", z=54., a=131.29*g/mole, |
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| 182 | density, kStateGas,temperature,pressure); |
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| 183 | |
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| 184 | // Print all the materials defined. |
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| 185 | // |
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| 186 | G4cout << G4endl << "The materials defined are : " << G4endl << G4endl; |
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| 187 | G4cout << *(G4Material::GetMaterialTable()) << G4endl; |
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| 188 | |
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| 189 | // The world volume |
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| 190 | // |
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| 191 | G4Box *myBigBox= new G4Box ("Big Cube", 500, 500, 500); |
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| 192 | |
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| 193 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
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| 194 | "World",0,0,0); |
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| 195 | // Logical with no material,field, |
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| 196 | // sensitive detector or user limits |
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| 197 | |
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| 198 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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| 199 | "World",worldLog, |
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| 200 | 0,false,0); |
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| 201 | // Note: no mother pointer set |
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| 202 | |
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| 203 | |
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| 204 | // A set of boxes |
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| 205 | G4Box *myBox=new G4Box("cube",10,10,10); |
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| 206 | G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0, |
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| 207 | "Rotating Box",0,0,0); |
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| 208 | |
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| 209 | //G4PVParameterised *paramP= |
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| 210 | new G4PVParameterised("Rotating Blocks", |
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| 211 | boxLog, |
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| 212 | worldPhys, //OR worldLog, |
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| 213 | kYAxis, |
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| 214 | 3, |
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| 215 | &myParam); |
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| 216 | // Copies 0, 1 & 2 will exist |
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| 217 | |
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| 218 | return worldPhys; |
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| 219 | } |
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| 220 | |
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| 221 | // |
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| 222 | // Test LocateGlobalPointAndSetup |
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| 223 | // |
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| 224 | G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode) |
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| 225 | { |
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| 226 | MyNavigator myNav; |
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| 227 | G4VPhysicalVolume *located; |
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| 228 | myNav.SetWorldVolume(pTopNode); |
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| 229 | |
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| 230 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0, false)); |
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| 231 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(100,100,100),0,false); |
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| 232 | assert(located->GetName()=="World"); |
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| 233 | |
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| 234 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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| 235 | |
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| 236 | // |
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| 237 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-5,-5),0,false); |
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| 238 | assert(located->GetName()=="Rotating Blocks"); |
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| 239 | assert(located->GetCopyNo()== 0); |
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| 240 | assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,-5,-5))); |
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| 241 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
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| 242 | |
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| 243 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,100,5)); |
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| 244 | assert(located->GetName()=="Rotating Blocks"); |
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| 245 | assert(located->GetCopyNo()== 1); |
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| 246 | G4cout << " Local coords = " << myNav.CurrentLocalCoordinate() << G4endl; |
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| 247 | // assert(ApproxEqual(myNav.CurrentLocalCoordinate(), |
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| 248 | // G4ThreeVector(0,0,10))); |
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| 249 | |
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| 250 | // Check that outside point causes stack to unwind |
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| 251 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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| 252 | |
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| 253 | // Check parameterised volumes |
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| 254 | |
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| 255 | // Replication 0 |
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| 256 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,5,5)); |
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| 257 | assert(located->GetName()=="Rotating Blocks"); |
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| 258 | assert(located->GetCopyNo()== 0); |
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| 259 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,15,15)); |
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| 260 | assert(located->GetName()=="World"); |
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| 261 | |
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| 262 | // Replication 1 |
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| 263 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,105,5)); |
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| 264 | assert(located->GetName()=="Rotating Blocks"); |
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| 265 | assert(located->GetCopyNo()== 1); |
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| 266 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-17)); |
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| 267 | assert(located->GetName()=="World"); |
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| 268 | |
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| 269 | // Replication 2 |
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| 270 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,205,5)); |
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| 271 | assert(located->GetName()=="Rotating Blocks"); |
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| 272 | assert(located->GetCopyNo()== 2); |
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| 273 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-18)); |
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| 274 | assert(located->GetName()=="World"); |
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| 275 | |
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| 276 | return true; |
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| 277 | } |
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| 278 | |
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| 279 | |
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| 280 | // |
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| 281 | // Test Stepping |
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| 282 | // |
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| 283 | G4bool testG4Navigator2(G4VPhysicalVolume *pTopNode) |
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| 284 | { |
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| 285 | MyNavigator myNav; |
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| 286 | G4VPhysicalVolume *located; |
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| 287 | G4double Step,physStep,safety; |
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| 288 | G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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| 289 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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| 290 | |
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| 291 | myNav.SetWorldVolume(pTopNode); |
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| 292 | |
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| 293 | // |
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| 294 | // Test location & Step computation |
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| 295 | // |
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| 296 | G4ThreeVector StartPoint(-50,0,-5); |
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| 297 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
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| 298 | assert(located->GetName()=="World"); |
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| 299 | physStep=kInfinity; |
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| 300 | Step=myNav.ComputeStep( StartPoint, mxHat,physStep,safety); // -x dir |
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| 301 | assert(ApproxEqual(Step,450)); |
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| 302 | // assert(ApproxEqual(safety,40)); |
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| 303 | // assert(safety>=0); |
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| 304 | |
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| 305 | StartPoint= G4ThreeVector(-15,0,-5); |
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| 306 | located=myNav.LocateGlobalPointAndSetup( StartPoint ); |
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| 307 | assert(located->GetName()=="World"); |
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| 308 | physStep=kInfinity; |
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| 309 | Step=myNav.ComputeStep( StartPoint,xHat,physStep,safety); // +x dir |
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| 310 | assert(ApproxEqual(Step,5)); |
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| 311 | // assert(ApproxEqual(safety,5)); |
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| 312 | assert(safety>=0); |
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| 313 | myNav.SetGeometricallyLimitedStep(); |
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| 314 | G4ThreeVector EndPoint = StartPoint + Step * xHat; |
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| 315 | located=myNav.LocateGlobalPointAndSetup(EndPoint,0,true); |
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| 316 | assert(located->GetName()=="Rotating Blocks"); |
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| 317 | |
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| 318 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-40)); |
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| 319 | assert(located->GetName()=="World"); |
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| 320 | physStep=kInfinity; |
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| 321 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-40),zHat,physStep,safety); |
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| 322 | assert(ApproxEqual(Step,30)); |
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| 323 | // assert(ApproxEqual(safety,5)); |
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| 324 | assert(safety>=0); |
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| 325 | |
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| 326 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0, 40)); |
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| 327 | assert(located->GetName()=="World"); |
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| 328 | physStep=kInfinity; |
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| 329 | Step=myNav.ComputeStep(G4ThreeVector(0,0,40),mzHat,physStep,safety); |
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| 330 | assert(ApproxEqual(Step,30)); |
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| 331 | // assert(ApproxEqual(safety,5)); |
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| 332 | assert(safety>=0); |
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| 333 | |
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| 334 | |
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| 335 | // |
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| 336 | // Test moving through series of volumes |
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| 337 | // |
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| 338 | StartPoint= G4ThreeVector(0,-20,0); |
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| 339 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-20,0)); |
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| 340 | assert(located->GetName()=="World"); |
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| 341 | |
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| 342 | // Replication 0 block |
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| 343 | // |
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| 344 | physStep=kInfinity; |
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| 345 | Step=myNav.ComputeStep(G4ThreeVector(0,-20,0),yHat,physStep,safety); |
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| 346 | assert(ApproxEqual(Step,10)); |
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| 347 | EndPoint= StartPoint + Step * yHat; // Should be 0, -10, 0 |
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| 348 | assert(ApproxEqual( 0, (EndPoint-G4ThreeVector(0,-10,0)).mag()) ); |
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| 349 | // assert(ApproxEqual(safety,0)); |
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| 350 | |
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| 351 | myNav.SetGeometricallyLimitedStep(); |
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| 352 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
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| 353 | assert(located->GetName()=="Rotating Blocks"); |
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| 354 | Step=myNav.ComputeStep(EndPoint,yHat,physStep,safety); |
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| 355 | assert(ApproxEqual(Step,20)); |
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| 356 | assert(ApproxEqual(safety,0)); |
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| 357 | myNav.SetGeometricallyLimitedStep(); |
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| 358 | EndPoint += Step * yHat; // Should be 0, +10, 0 |
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| 359 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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| 360 | assert(located->GetName()=="World"); |
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| 361 | |
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| 362 | // Replication 1 block |
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| 363 | // |
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| 364 | StartPoint= EndPoint; |
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| 365 | physStep=kInfinity; |
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| 366 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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| 367 | assert(ApproxEqual(Step,90.-10./std::cos(angle1))); |
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| 368 | EndPoint= StartPoint + Step * yHat; // Should near 0, 90, 0 |
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| 369 | assert(safety<=Step); |
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| 370 | myNav.SetGeometricallyLimitedStep(); |
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| 371 | located=myNav.LocateGlobalPointAndSetup(EndPoint) ; |
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| 372 | assert(located->GetName()=="Rotating Blocks"); |
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| 373 | |
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| 374 | StartPoint= EndPoint; |
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| 375 | physStep=kInfinity; |
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| 376 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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| 377 | assert(ApproxEqual(Step,20./std::cos(angle1))); |
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| 378 | assert(ApproxEqual(safety,0)); |
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| 379 | myNav.SetGeometricallyLimitedStep(); |
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| 380 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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| 381 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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| 382 | assert(located->GetName()=="World"); |
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| 383 | |
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| 384 | // Replication 2 block |
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| 385 | // |
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| 386 | StartPoint= EndPoint; |
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| 387 | physStep=kInfinity; |
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| 388 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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| 389 | assert(ApproxEqual(Step,100.-10.*(1./std::cos(angle1)+1./std::cos(2.*angle1)))); |
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| 390 | EndPoint= StartPoint + Step * yHat; // Should near 0, 190, 0 |
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| 391 | assert(safety<=Step); |
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| 392 | myNav.SetGeometricallyLimitedStep(); |
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| 393 | located=myNav.LocateGlobalPointAndSetup(EndPoint); |
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| 394 | assert(located->GetName()=="Rotating Blocks"); |
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| 395 | |
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| 396 | StartPoint= EndPoint; |
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| 397 | physStep=kInfinity; |
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| 398 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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| 399 | assert(ApproxEqual(Step,20./std::cos(2.*angle1))); |
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| 400 | assert(ApproxEqual(safety,0)); |
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| 401 | myNav.SetGeometricallyLimitedStep(); |
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| 402 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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| 403 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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| 404 | assert(located->GetName()=="World"); |
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| 405 | |
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| 406 | // Edge of the world |
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| 407 | // |
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| 408 | StartPoint= EndPoint; |
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| 409 | physStep=kInfinity; |
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| 410 | Step=myNav.ComputeStep(StartPoint,yHat,physStep,safety); |
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| 411 | assert(ApproxEqual(Step, 300. - 10./std::cos(2.*angle1) )); |
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| 412 | assert(ApproxEqual(safety,0)); |
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| 413 | myNav.SetGeometricallyLimitedStep(); |
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| 414 | EndPoint += Step * yHat; // Should be near 0, 110, 0 |
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| 415 | located=myNav.LocateGlobalPointAndSetup( EndPoint ); |
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| 416 | assert(!located); |
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| 417 | |
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| 418 | |
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| 419 | return true; |
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| 420 | } |
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| 421 | |
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| 422 | int main() |
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| 423 | { |
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| 424 | //Units table |
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| 425 | G4UnitDefinition::BuildUnitsTable(); |
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| 426 | |
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| 427 | G4VPhysicalVolume *myTopNode; |
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| 428 | myTopNode=BuildGeometry(); // Build the geometry |
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| 429 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
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| 430 | testG4Navigator1(myTopNode); |
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| 431 | testG4Navigator2(myTopNode); |
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| 432 | // Repeat tests but with full voxels |
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| 433 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 434 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
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| 435 | testG4Navigator1(myTopNode); |
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| 436 | testG4Navigator2(myTopNode); |
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| 437 | |
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| 438 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 439 | return 0; |
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| 440 | } |
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| 441 | |
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| 442 | |
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| 443 | |
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| 444 | |
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