[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: testExitNormalNav.cc,v 1.7 2006/06/29 18:58:25 gunter Exp $ |
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[1347] | 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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[1316] | 29 | // |
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| 30 | // Testing the product of Exit Normal of the Navigator for |
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| 31 | // simple hierarchial geometry. |
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| 32 | // ( replicas, parameterised volumes currently not included ) |
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| 33 | // |
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| 34 | // First version: J. Apostolakis, 18th June 2002 |
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| 35 | |
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| 36 | #include <assert.h> |
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| 37 | #include "ApproxEqual.hh" |
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| 38 | |
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| 39 | // Global defs |
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| 40 | #include "globals.hh" |
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| 41 | |
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| 42 | #include "G4LogicalVolume.hh" |
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| 43 | #include "G4VPhysicalVolume.hh" |
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| 44 | #include "G4PVPlacement.hh" |
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| 45 | // #include "G4PVParameterised.hh" |
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| 46 | // #include "G4VPVParameterisation.hh" |
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| 47 | #include "G4Box.hh" |
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| 48 | |
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| 49 | #include "G4GeometryManager.hh" |
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| 50 | |
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| 51 | #include "G4RotationMatrix.hh" |
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| 52 | #include "G4ThreeVector.hh" |
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| 53 | |
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| 54 | // Build simple geometry: |
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| 55 | // 6 small cubes inside a slab (all G4Boxes) |
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| 56 | // 3 slabs are positioned inside the world cuboid |
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| 57 | |
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| 58 | G4VPhysicalVolume* BuildGeometry() |
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| 59 | { |
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| 60 | |
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| 61 | // Rotations in X |
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| 62 | G4RotationMatrix *prot90d_X, *prot180d_X, *prot270d_X; |
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| 63 | prot90d_X = new G4RotationMatrix(); |
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| 64 | prot180d_X = new G4RotationMatrix(); |
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| 65 | prot270d_X = new G4RotationMatrix(); |
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| 66 | prot90d_X->rotateX(pi*0.5); |
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| 67 | prot180d_X->rotateX(pi); |
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| 68 | prot270d_X->rotateX(pi*1.5); |
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| 69 | |
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| 70 | // Rotations in Y |
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| 71 | G4RotationMatrix *prot90d_Y, *prot180d_Y, *prot270d_Y; |
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| 72 | prot90d_Y = new G4RotationMatrix(); |
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| 73 | prot180d_Y = new G4RotationMatrix(); |
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| 74 | prot270d_Y = new G4RotationMatrix(); |
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| 75 | prot90d_Y->rotateY(pi*0.5); |
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| 76 | prot180d_Y->rotateY(pi); |
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| 77 | prot270d_Y->rotateY(pi*1.5); |
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| 78 | |
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| 79 | // Rotations in Z |
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| 80 | G4RotationMatrix *prot90d_Z, *prot180d_Z, *prot270d_Z; |
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| 81 | prot90d_Z = new G4RotationMatrix(); |
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| 82 | prot180d_Z = new G4RotationMatrix(); |
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| 83 | prot270d_Z = new G4RotationMatrix(); |
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| 84 | prot90d_Z->rotateZ(pi*0.5); |
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| 85 | prot180d_Z->rotateZ(pi); |
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| 86 | prot270d_Z->rotateZ(-pi*0.5); |
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| 87 | |
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| 88 | // Solids |
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| 89 | G4Box *myBigBox= new G4Box("BigBox-World",200.*cm,200.*cm,200.*cm); |
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| 90 | G4Box *Slab= new G4Box("slab",17.5*cm,10.*cm,7.5*cm); |
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| 91 | G4Box *inCube10= new G4Box("Cube ten",5.*cm,5.*cm,5.*cm); |
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| 92 | G4Box *smallCube= new G4Box("Small cube", 0.5*cm, 0.5*cm, 0.5*cm); |
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| 93 | |
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| 94 | // World |
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| 95 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
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| 96 | "WorldLV",0,0,0); |
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| 97 | // Logical with no material,field, |
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| 98 | // sensitive detector or user limits |
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| 99 | |
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| 100 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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| 101 | "WorldPV",worldLog, |
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| 102 | 0,false,0); |
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| 103 | // Note: no mother pointer set |
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| 104 | |
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| 105 | // Slab volume |
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| 106 | G4LogicalVolume *slabLog=new G4LogicalVolume(Slab, 0, "Slab-logV"); |
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| 107 | |
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| 108 | // Inner volume |
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| 109 | G4LogicalVolume *boxLog= |
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| 110 | new G4LogicalVolume(inCube10, 0, "Cube10-logV"); |
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| 111 | |
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| 112 | // Smallest cube volume |
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| 113 | G4LogicalVolume *smallLog= |
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| 114 | new G4LogicalVolume(smallCube, 0, "smallCube1-lV"); |
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| 115 | |
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| 116 | // Place small cubes inside Cube ten |
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| 117 | new G4PVPlacement(prot90d_Y, |
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| 118 | G4ThreeVector( -4.5*cm, 0.0, 0.0), |
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| 119 | smallLog, |
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| 120 | "smallBackX", |
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| 121 | boxLog, |
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| 122 | false, |
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| 123 | 0); |
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| 124 | new G4PVPlacement(prot180d_Y, |
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| 125 | G4ThreeVector( 4.5*cm, 0.0, 0.0), |
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| 126 | smallLog, |
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| 127 | "smallFrontX", |
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| 128 | boxLog, |
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| 129 | false, |
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| 130 | 1); |
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| 131 | new G4PVPlacement(prot90d_Z, |
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| 132 | G4ThreeVector( 0.0, -4.5*cm, 0.0), |
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| 133 | smallLog, |
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| 134 | "smallBackY", |
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| 135 | boxLog, |
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| 136 | false, |
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| 137 | 2); |
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| 138 | new G4PVPlacement(prot90d_X, |
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| 139 | G4ThreeVector( 0.0, 4.5*cm, 0.0), |
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| 140 | smallLog, |
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| 141 | "smallFrontY", |
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| 142 | boxLog, |
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| 143 | false, |
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| 144 | 3); |
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| 145 | |
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| 146 | // Fill the slab with inner volumes |
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| 147 | // |
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| 148 | |
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| 149 | G4ThreeVector centerPositionFirst(12.5*cm,-5*cm,0.0); |
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| 150 | new G4PVPlacement(prot90d_Y, |
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| 151 | centerPositionFirst, |
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| 152 | boxLog, |
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| 153 | "Lower Front", |
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| 154 | slabLog, |
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| 155 | false, |
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| 156 | 0); |
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| 157 | |
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| 158 | G4ThreeVector centerPositionSecond(12.5*cm, 5*cm,0.0); |
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| 159 | new G4PVPlacement(prot180d_Z, |
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| 160 | centerPositionSecond, |
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| 161 | boxLog, |
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| 162 | "Upper Front", |
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| 163 | slabLog, |
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| 164 | false, |
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| 165 | 1); |
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| 166 | |
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| 167 | G4ThreeVector centerPositionThird(-12.5*cm, 5*cm,0.0); |
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| 168 | new G4PVPlacement(prot270d_X, |
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| 169 | centerPositionThird, |
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| 170 | boxLog, |
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| 171 | "Upper Back", |
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| 172 | slabLog, |
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| 173 | false, |
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| 174 | 2); |
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| 175 | |
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| 176 | |
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| 177 | G4ThreeVector centerPositionFourth(-12.0*cm, -5*cm,0.0); |
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| 178 | new G4PVPlacement(prot180d_Z, |
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| 179 | centerPositionFourth, |
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| 180 | boxLog, |
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| 181 | "Lower Back", |
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| 182 | slabLog, |
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| 183 | false, |
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| 184 | 3); |
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| 185 | |
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| 186 | |
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| 187 | G4ThreeVector centerPositionFifth(-2.5*cm, 5*cm,0.0); |
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| 188 | new G4PVPlacement(prot90d_Y, |
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| 189 | centerPositionFifth, |
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| 190 | boxLog, |
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| 191 | "Upper Mid-Back", |
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| 192 | slabLog, |
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| 193 | false, |
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| 194 | 4); |
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| 195 | |
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| 196 | |
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| 197 | G4ThreeVector centerPositionSixth( 2.5*cm, -5*cm,0.0); |
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| 198 | new G4PVPlacement(prot90d_X, |
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| 199 | centerPositionSixth, |
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| 200 | boxLog, |
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| 201 | "Lower Mid-Front", |
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| 202 | slabLog, |
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| 203 | false, |
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| 204 | 5); |
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| 205 | |
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| 206 | // Placement of Slabs in World Volume |
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| 207 | // |
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| 208 | G4ThreeVector slabPositionOne( -27.5*cm, 0.0,0.0); |
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| 209 | new G4PVPlacement(prot180d_Y, |
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| 210 | slabPositionOne, |
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| 211 | "Back-Slab1", |
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| 212 | slabLog, |
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| 213 | worldPhys, |
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| 214 | false, |
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| 215 | 1); |
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| 216 | |
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| 217 | G4ThreeVector slabPositionTwo( 0.0, 0.0, 0.0); |
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| 218 | new G4PVPlacement(prot90d_Z, |
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| 219 | slabPositionTwo, |
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| 220 | "Upright-Middle-Slab2", |
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| 221 | slabLog, |
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| 222 | worldPhys, |
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| 223 | false, |
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| 224 | 2); |
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| 225 | |
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| 226 | |
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| 227 | G4ThreeVector slabPositionThree( 27.5*cm, 0.0, 0.0); |
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| 228 | new G4PVPlacement(prot180d_Z, |
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| 229 | slabPositionThree, |
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| 230 | "Front-Slab3", |
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| 231 | slabLog, |
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| 232 | worldPhys, |
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| 233 | false, |
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| 234 | 3); |
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| 235 | |
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| 236 | return worldPhys; |
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| 237 | } |
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| 238 | |
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| 239 | // |
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| 240 | // Test LocateGlobalPointAndSetup |
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| 241 | // |
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| 242 | G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode) |
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| 243 | { |
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| 244 | MyNavigator myNav; |
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| 245 | G4VPhysicalVolume *located; |
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| 246 | myNav.SetWorldVolume(pTopNode); |
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| 247 | |
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| 248 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(1000*cm,0,0),0,false)); |
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| 249 | |
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| 250 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(1800.0*mm,0,0),0,false); |
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| 251 | assert(located->GetName()=="WorldPV"); |
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| 252 | |
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| 253 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(1000.*cm,0,0))); |
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| 254 | |
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| 255 | return true; |
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| 256 | |
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| 257 | // Can add more location checks here, like the old ones below. |
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| 258 | |
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| 259 | // Check relative search that causes backup one level and then search down: |
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| 260 | // Nonrel' finds Target 3, then rel' with point in Target 5 finds Target 5 |
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| 261 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15.*cm,0,-5.*cm),0,false); |
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| 262 | assert(located->GetName()=="Upper Front"); |
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| 263 | |
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| 264 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-15.*cm,20.*cm)); |
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| 265 | assert(located->GetName()=="Target 5"); |
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| 266 | assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,0,10))); |
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| 267 | // Check that outside point causes stack to unwind |
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| 268 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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| 269 | |
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| 270 | return true; |
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| 271 | } |
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| 272 | |
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| 273 | int verbose= 1; |
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| 274 | // |
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| 275 | // Test Stepping |
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| 276 | // |
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| 277 | G4bool testExitNormal(G4VPhysicalVolume *pTopNode, |
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| 278 | G4ThreeVector initialPoint, |
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| 279 | G4ThreeVector direction, |
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| 280 | G4ThreeVector expectedExitNorm) |
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| 281 | { |
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| 282 | MyNavigator myNav; |
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| 283 | G4VPhysicalVolume *located; |
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| 284 | G4double Step,physStep,safety; |
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| 285 | |
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| 286 | myNav.SetWorldVolume(pTopNode); |
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| 287 | // |
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| 288 | // Test location & Step computation |
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| 289 | // |
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| 290 | G4ThreeVector initPoint(initialPoint), newPoint(0,0,0); |
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| 291 | // G4ThreeVector direction= xHat; |
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| 292 | G4bool valid; |
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| 293 | |
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| 294 | if( verbose ){ |
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| 295 | G4cout << "Initial step " << G4endl; |
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| 296 | G4cout << "-Initial Point = " << initPoint << G4endl; |
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| 297 | } |
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| 298 | |
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| 299 | located=myNav.LocateGlobalPointAndSetup(initPoint); |
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| 300 | assert(located->GetName()=="WorldPV"); |
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| 301 | if( verbose ) |
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| 302 | G4cout << "-Located: Location before is " << located->GetName() << G4endl; |
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| 303 | |
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| 304 | physStep=kInfinity; |
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| 305 | Step=myNav.ComputeStep(initPoint, direction, physStep, safety); |
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| 306 | if( verbose ){ |
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| 307 | G4cout << "-Moved: Step was = " << Step << " expected " << 5.0 * cm << G4endl; |
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| 308 | G4cout << " safety= " << safety << G4endl; |
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| 309 | } |
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| 310 | assert(ApproxEqual(Step,5.0*cm)); |
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| 311 | // assert(ApproxEqual(safety,50.0)); |
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| 312 | assert(safety>=0.0); |
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| 313 | assert(safety<=50.0); |
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| 314 | |
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| 315 | newPoint= initPoint + Step * direction; |
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| 316 | G4ThreeVector localNormal = myNav.GetLocalExitNormal(&valid); |
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| 317 | assert(valid); |
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| 318 | G4ThreeVector globalNormal = myNav.GetLocalToGlobalTransform().TransformAxis(localNormal); |
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| 319 | assert( globalNormal == expectedExitNorm ); |
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| 320 | |
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| 321 | myNav.SetGeometricallyLimitedStep(); |
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| 322 | located=myNav.LocateGlobalPointAndSetup(initPoint); |
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| 323 | assert(located->GetName()!="WorldPV"); |
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| 324 | if( verbose ) |
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| 325 | G4cout << "-Located: Location is " << located->GetName() << G4endl; |
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| 326 | |
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| 327 | // Next Steps |
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| 328 | G4int istep; |
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| 329 | for ( istep=0; istep < 15; istep++ ){ |
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| 330 | |
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| 331 | initPoint= newPoint; |
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| 332 | |
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| 333 | if( verbose ){ |
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| 334 | G4cout << "Sub step " << istep << G4endl; |
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| 335 | G4cout << "-Initial Point = " << initPoint << G4endl; |
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| 336 | G4cout << "-Location before is " << located->GetName() << G4endl; |
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| 337 | } |
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| 338 | |
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| 339 | physStep=kInfinity; |
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| 340 | Step=myNav.ComputeStep(initPoint, direction, physStep, safety); |
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| 341 | if( verbose ) |
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| 342 | G4cout << "-Moved: Step was = " << Step << G4endl; |
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| 343 | assert( Step <= 10.0*cm); |
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| 344 | assert(ApproxEqual(safety,0.0)); |
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| 345 | assert(safety>=0); |
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| 346 | |
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| 347 | newPoint= initPoint + Step * direction; |
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| 348 | G4ThreeVector localNormal = myNav.GetLocalExitNormal(&valid); |
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| 349 | assert(valid); |
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| 350 | G4ThreeVector globalNormal = myNav.GetLocalToGlobalTransform().TransformAxis(localNormal); |
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| 351 | |
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| 352 | if( 0 ) { // globalNormal != G4ThreeVector(1.0,0.0,0.0) ){ |
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| 353 | G4cout << " **Problem** with pre-relocation normals: " << G4endl; |
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| 354 | G4cout << " *Point = " << newPoint << G4endl; |
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| 355 | G4cout << " *localNorm = " << localNormal << G4endl; |
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| 356 | G4cout << " *globalNorm = " << globalNormal << G4endl; |
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| 357 | } |
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| 358 | // assert( globalNormal == G4ThreeVector(1.0,0.0,0.0) ); |
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| 359 | |
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| 360 | myNav.SetGeometricallyLimitedStep(); |
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| 361 | located=myNav.LocateGlobalPointAndSetup(newPoint); |
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| 362 | // assert(located->GetName()!="WorldPV"); |
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| 363 | if( verbose ) |
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| 364 | G4cout << "-Located: Location after is " << located->GetName() << G4endl; |
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| 365 | |
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| 366 | localNormal = myNav.GetLocalExitNormal(&valid); |
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| 367 | assert(valid); |
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| 368 | globalNormal = myNav.GetLocalToGlobalTransform().TransformAxis(localNormal); |
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| 369 | if( verbose ) { |
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| 370 | G4cout << "Post-relocation normals: " << G4endl; |
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| 371 | G4cout << " Point = " << newPoint << G4endl; |
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| 372 | G4cout << " Location after is " << located->GetName() << G4endl; |
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| 373 | G4cout << " localNorm = " << localNormal << G4endl; |
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| 374 | G4cout << " globalNorm = " << globalNormal << G4endl; |
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| 375 | G4cout << " expectedExitNorm = " << expectedExitNorm << G4endl; |
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| 376 | } |
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| 377 | // assert( ApproxEqual( globalNormal, expectedExitNorm ) ); |
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| 378 | |
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| 379 | } |
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| 380 | |
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| 381 | return true; |
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| 382 | } |
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| 383 | |
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| 384 | G4bool testExitNormalNav() |
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| 385 | { |
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| 386 | G4VPhysicalVolume *myTopNode; |
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| 387 | const G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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| 388 | const G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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| 389 | |
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| 390 | G4ThreeVector initPointMinusX(-50.0*cm,0.01*cm,0.); |
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| 391 | G4ThreeVector initPointPluxX(50.0*cm, -0.01*cm,0.); |
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| 392 | |
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| 393 | myTopNode=BuildGeometry(); // Build the geometry |
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| 394 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
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| 395 | testG4Navigator1(myTopNode); |
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| 396 | testExitNormal(myTopNode, initPointMinusX, xHat, xHat); |
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| 397 | testExitNormal(myTopNode, initPointPluxX, mxHat, mxHat); |
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| 398 | testExitNormal(myTopNode, G4ThreeVector(-50.0*cm,2.0*cm,0.0), xHat, xHat); |
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| 399 | testExitNormal(myTopNode, G4ThreeVector(-50.0*cm,-2.0*cm,0.0), xHat, xHat); |
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| 400 | |
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| 401 | // Repeat tests but with full voxels |
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| 402 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 403 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
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| 404 | testG4Navigator1(myTopNode); |
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| 405 | testExitNormal(myTopNode, initPointMinusX, xHat, xHat); |
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| 406 | testExitNormal(myTopNode, initPointPluxX, mxHat, mxHat); |
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| 407 | testExitNormal(myTopNode, G4ThreeVector(-50.0*cm,2.0*cm,0.0), xHat, xHat); |
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| 408 | testExitNormal(myTopNode, G4ThreeVector(-50.0*cm,-2.0*cm,0.0), xHat, xHat); |
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| 409 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 410 | return true; |
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| 411 | } |
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| 412 | |
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| 413 | int main() |
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| 414 | { |
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| 415 | assert(testExitNormalNav()); |
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| 416 | return 0; |
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| 417 | } |
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| 418 | |
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