[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: testG4Navigator6.cc,v 1.5 2006/06/29 18:37:28 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 | // |
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| 31 | // |
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| 32 | // Create a tubular "calorimeter". Shoot from origin along x & y axes |
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| 33 | // printing location, steps & safeties. Locate 50^3 points within |
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| 34 | // calorimeter to check performance of point location logic. |
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| 35 | // |
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| 36 | // Arguments: Put `1' or `0' to toggle voxel optimisation on/off |
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| 37 | // [Default: ON] |
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| 38 | // |
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| 39 | // Define G4GEOMETRY_VERBOSE for dump of topmost voxels |
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| 40 | |
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| 41 | |
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| 42 | #include <assert.h> |
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| 43 | #include "G4ios.hh" |
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| 44 | #include <stdlib.h> |
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| 45 | |
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| 46 | // Global defs |
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| 47 | #include "globals.hh" |
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| 48 | |
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| 49 | #include "G4Timer.hh" |
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| 50 | #include "ApproxEqual.hh" |
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| 51 | |
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| 52 | #include "G4Navigator.hh" |
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| 53 | |
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| 54 | #include "G4LogicalVolume.hh" |
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| 55 | #include "G4VPhysicalVolume.hh" |
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| 56 | #include "G4PVPlacement.hh" |
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| 57 | #include "G4Box.hh" |
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| 58 | #include "G4Tubs.hh" |
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| 59 | |
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| 60 | #include "G4GeometryManager.hh" |
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| 61 | |
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| 62 | #include "G4RotationMatrix.hh" |
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| 63 | #include "G4ThreeVector.hh" |
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| 64 | |
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| 65 | // Build tubular calorimeter: |
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| 66 | // An array of interlocking complete tubes, inside a box |
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| 67 | // |
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| 68 | // Controlled by: |
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| 69 | const G4double kTubeHalfHeight = 10; |
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| 70 | const G4double kTubeRadius = 5; |
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| 71 | const G4double kTubeNoRow = 10; |
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| 72 | const G4double kTubeNoColumn = 11; // Should be odd for symmetrical array |
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| 73 | |
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| 74 | const G4double kBoxDx=kTubeNoRow*kTubeRadius; |
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| 75 | const G4double yDelta=2.0*kTubeRadius*std::sin(pi/3.0); |
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| 76 | const G4double kBoxDy=(kTubeNoColumn-1)*yDelta*0.5+kTubeRadius; |
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| 77 | const G4double kBoxDz=kTubeHalfHeight; |
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| 78 | |
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| 79 | G4VPhysicalVolume* BuildGeometry() |
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| 80 | { |
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| 81 | G4double bigXStart=-(kTubeNoRow-1)*kTubeRadius; |
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| 82 | G4double smallXStart=bigXStart+kTubeRadius; |
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| 83 | |
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| 84 | G4double bigYStart=-(kTubeNoColumn-1)*yDelta*0.5; |
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| 85 | G4double smallYStart=bigYStart+yDelta; |
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| 86 | |
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| 87 | |
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| 88 | G4int row,column; |
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| 89 | |
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| 90 | G4Box *calBox = new G4Box ("Cal Box",kBoxDx,kBoxDy,kBoxDz); |
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| 91 | G4Tubs *calTube = new G4Tubs("Cal Tube",0,kTubeRadius, |
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| 92 | kTubeHalfHeight,0,360); |
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| 93 | |
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| 94 | |
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| 95 | G4LogicalVolume *myDetectorLog=new G4LogicalVolume(calBox,0, |
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| 96 | "World", |
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| 97 | 0,0,0); |
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| 98 | // Logical with no material,field, |
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| 99 | // sensitive detector or user limits |
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| 100 | |
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| 101 | G4PVPlacement *myDetectorPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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| 102 | "World", |
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| 103 | myDetectorLog,0,false,0); |
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| 104 | // Note: no mother pointer set |
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| 105 | |
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| 106 | G4LogicalVolume *calTubLog=new G4LogicalVolume(calTube,0, |
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| 107 | "Cal Crystal", |
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| 108 | 0,0,0); |
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| 109 | |
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| 110 | G4String tname("Target"); |
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| 111 | G4int copyNo=0; |
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| 112 | for (column=0;column<kTubeNoColumn;column+=2) |
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| 113 | { |
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| 114 | for (row=0;row<kTubeNoRow;row++) |
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| 115 | { |
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| 116 | |
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| 117 | // G4PVPlacement *calPhys= |
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| 118 | new G4PVPlacement( |
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| 119 | 0,G4ThreeVector(bigXStart+row*kTubeRadius*2.0,bigYStart+column*yDelta,0), |
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| 120 | tname,calTubLog, |
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| 121 | myDetectorPhys,false,copyNo++); |
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| 122 | } |
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| 123 | } |
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| 124 | |
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| 125 | |
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| 126 | for (column=0;column<kTubeNoColumn-1;column+=2) |
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| 127 | { |
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| 128 | for (row=0;row<kTubeNoRow-1;row++) |
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| 129 | { |
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| 130 | |
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| 131 | // G4PVPlacement *calPhys= |
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| 132 | new G4PVPlacement( |
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| 133 | 0,G4ThreeVector(smallXStart+row*kTubeRadius*2.0,smallYStart+column*yDelta), |
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| 134 | tname,calTubLog, |
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| 135 | myDetectorPhys,false,copyNo++); |
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| 136 | } |
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| 137 | } |
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| 138 | |
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| 139 | return myDetectorPhys; |
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| 140 | } |
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| 141 | |
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| 142 | |
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| 143 | G4bool printShoot(G4VPhysicalVolume *pTopNode, |
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| 144 | const G4ThreeVector& pLoc, |
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| 145 | const G4ThreeVector& pVec) |
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| 146 | { |
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| 147 | G4double Step=0,safety=0; |
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| 148 | const G4double physStep=kInfinity; |
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| 149 | G4VPhysicalVolume *located=0; |
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| 150 | MyNavigator myNav; |
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| 151 | myNav.SetWorldVolume(pTopNode); |
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| 152 | |
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| 153 | G4ThreeVector partLoc(pLoc); |
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| 154 | G4cout << "Shooting from " << pLoc << " along " << pVec << G4endl; |
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| 155 | located=myNav.LocateGlobalPointAndSetup(partLoc); |
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| 156 | while (located) |
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| 157 | { |
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| 158 | Step=myNav.ComputeStep(partLoc,pVec,physStep,safety); |
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| 159 | G4cout << "Physical Location=" << located->GetName() |
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| 160 | << " #" << located->GetCopyNo() << G4endl |
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| 161 | << " Step=" << Step << " Safety=" << safety |
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| 162 | << " ---->" << G4endl; |
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| 163 | |
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| 164 | partLoc+=Step*pVec; |
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| 165 | myNav.SetGeometricallyLimitedStep(); |
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| 166 | located=myNav.LocateGlobalPointAndSetup(partLoc); |
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| 167 | } |
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| 168 | return true; |
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| 169 | } |
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| 170 | |
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| 171 | G4bool runLocate(G4VPhysicalVolume *pTopNode) |
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| 172 | { |
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| 173 | const G4int numLocPerAxis=50; |
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| 174 | const G4double dxStep=kBoxDx*2.0/numLocPerAxis; |
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| 175 | const G4double dyStep=kBoxDy*2.0/numLocPerAxis; |
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| 176 | const G4double dzStep=kBoxDz*2.0/numLocPerAxis; |
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| 177 | |
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| 178 | MyNavigator myNav; |
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| 179 | G4ThreeVector worldPoint; |
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| 180 | myNav.SetWorldVolume(pTopNode); |
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| 181 | for (G4double x=-kBoxDx;x<kBoxDx;x+=dxStep) |
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| 182 | { |
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| 183 | for (G4double y=-kBoxDy;y<kBoxDy;y+=dyStep) |
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| 184 | { |
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| 185 | for (G4double z=-kBoxDz;z<kBoxDz;z+=dzStep) |
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| 186 | { |
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| 187 | worldPoint=G4ThreeVector(x,y,z); |
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| 188 | myNav.LocateGlobalPointAndSetup(worldPoint,0,false); |
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| 189 | } |
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| 190 | } |
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| 191 | |
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| 192 | } |
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| 193 | return true; |
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| 194 | } |
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| 195 | |
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| 196 | G4bool runAll(G4VPhysicalVolume *pTopNode) |
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| 197 | { |
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| 198 | G4cout << "Locating..." << G4endl; |
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| 199 | runLocate(pTopNode); |
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| 200 | G4cout << "Done" << G4endl; |
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| 201 | return true; |
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| 202 | } |
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| 203 | |
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| 204 | int main(int argc, char* argv[]) |
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| 205 | { |
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| 206 | G4bool optimise; |
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| 207 | G4Timer timer; |
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| 208 | if (argc==1) |
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| 209 | { |
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| 210 | optimise=true; |
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| 211 | } |
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| 212 | else if (argc==2) |
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| 213 | { |
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| 214 | G4String opt(argv[1]); |
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| 215 | |
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| 216 | if (opt=="0") |
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| 217 | { |
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| 218 | optimise=false; |
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| 219 | } |
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| 220 | else if (opt=="1") |
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| 221 | { |
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| 222 | optimise=true; |
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| 223 | } |
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| 224 | else |
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| 225 | { |
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| 226 | G4cout << "Unknown args" << G4endl; |
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| 227 | return EXIT_FAILURE; |
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| 228 | } |
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| 229 | } |
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| 230 | else |
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| 231 | { |
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| 232 | G4cout << "Unknown args" << G4endl; |
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| 233 | return EXIT_FAILURE; |
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| 234 | } |
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| 235 | |
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| 236 | G4VPhysicalVolume *myTopNode; |
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| 237 | myTopNode=BuildGeometry(); // Build the geometry |
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| 238 | |
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| 239 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 240 | |
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| 241 | timer.Start(); |
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| 242 | G4GeometryManager::GetInstance()->CloseGeometry(optimise); |
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| 243 | timer.Stop(); |
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| 244 | |
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| 245 | //#ifdef G4GEOMETRY_VERBOSE |
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| 246 | // G4cout << *(G4LogicalVolumeStore::GetInstance()->at(0)->GetVoxelHeader()); |
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| 247 | //#endif |
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| 248 | if (optimise) |
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| 249 | { |
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| 250 | G4cout << "Built voxels "; |
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| 251 | } |
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| 252 | else |
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| 253 | { |
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| 254 | G4cout << "No voxels "; |
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| 255 | } |
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| 256 | G4cout << timer << G4endl; |
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| 257 | |
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| 258 | printShoot(myTopNode, |
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| 259 | G4ThreeVector(-kBoxDx,0,0), |
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| 260 | G4ThreeVector(1,0,0)); |
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| 261 | printShoot(myTopNode, |
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| 262 | G4ThreeVector(0,0,0), |
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| 263 | G4ThreeVector(1/std::sqrt(2.),1/std::sqrt(2.),0)); |
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| 264 | timer.Start(); |
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| 265 | runAll(myTopNode); |
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| 266 | timer.Stop(); |
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| 267 | G4cout << timer << G4endl; |
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| 268 | |
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| 269 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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| 270 | return EXIT_SUCCESS; |
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| 271 | } |
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