[831] | 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: G4NormalNavigation.cc,v 1.9 2007/05/11 13:43:59 gcosmo Exp $ |
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[850] | 28 | // GEANT4 tag $Name: HEAD $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // class G4NormalNavigation Implementation |
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| 32 | // |
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| 33 | // Author: P.Kent, 1996 |
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| 34 | // |
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| 35 | // -------------------------------------------------------------------- |
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| 36 | |
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| 37 | #include "G4NormalNavigation.hh" |
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| 38 | #include "G4AffineTransform.hh" |
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| 39 | |
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| 40 | #include <iomanip> |
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| 41 | |
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| 42 | // ******************************************************************** |
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| 43 | // Constructor |
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| 44 | // ******************************************************************** |
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| 45 | // |
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| 46 | G4NormalNavigation::G4NormalNavigation() |
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| 47 | : fCheck(false), fVerbose(0) |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | // ******************************************************************** |
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| 52 | // Destructor |
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| 53 | // ******************************************************************** |
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| 54 | // |
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| 55 | G4NormalNavigation::~G4NormalNavigation() |
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| 56 | {;} |
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| 57 | |
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| 58 | // ******************************************************************** |
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| 59 | // ComputeStep |
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| 60 | // ******************************************************************** |
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| 61 | // |
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| 62 | G4double |
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| 63 | G4NormalNavigation::ComputeStep(const G4ThreeVector &localPoint, |
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| 64 | const G4ThreeVector &localDirection, |
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| 65 | const G4double currentProposedStepLength, |
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| 66 | G4double &newSafety, |
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| 67 | G4NavigationHistory &history, |
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| 68 | G4bool &validExitNormal, |
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| 69 | G4ThreeVector &exitNormal, |
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| 70 | G4bool &exiting, |
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| 71 | G4bool &entering, |
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| 72 | G4VPhysicalVolume *(*pBlockedPhysical), |
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| 73 | G4int &blockedReplicaNo) |
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| 74 | { |
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| 75 | G4VPhysicalVolume *motherPhysical, *samplePhysical, *blockedExitedVol=0; |
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| 76 | G4LogicalVolume *motherLogical; |
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| 77 | G4VSolid *motherSolid; |
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| 78 | G4ThreeVector sampleDirection; |
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| 79 | G4double ourStep=currentProposedStepLength, motherSafety, ourSafety; |
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| 80 | G4int localNoDaughters, sampleNo; |
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| 81 | |
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| 82 | motherPhysical = history.GetTopVolume(); |
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| 83 | motherLogical = motherPhysical->GetLogicalVolume(); |
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| 84 | motherSolid = motherLogical->GetSolid(); |
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| 85 | |
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| 86 | // Compute mother safety |
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| 87 | // |
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| 88 | motherSafety = motherSolid->DistanceToOut(localPoint); |
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| 89 | ourSafety = motherSafety; // Working isotropic safety |
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| 90 | |
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| 91 | #ifdef G4VERBOSE |
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| 92 | static G4int precVerf= 20; // Precision |
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| 93 | if ( fCheck ) |
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| 94 | { |
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| 95 | if( fVerbose == 1 ) |
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| 96 | { |
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| 97 | G4cout << "*** G4NormalNavigation::ComputeStep(): ***" << G4endl |
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| 98 | << " Invoked DistanceToOut(p) for mother solid: " |
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| 99 | << motherSolid->GetName() |
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| 100 | << ". Solid replied: " << motherSafety << G4endl |
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| 101 | << " For local point p: " << localPoint << G4endl |
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| 102 | << " To be considered as 'mother safety'." << G4endl; |
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| 103 | } |
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| 104 | if ( motherSafety < 0.0 ) |
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| 105 | { |
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| 106 | G4cerr << "ERROR - G4NormalNavigation::ComputeStep()" << G4endl |
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| 107 | << " Current solid " << motherSolid->GetName() |
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| 108 | << " gave negative safety: " << motherSafety << G4endl |
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| 109 | << " for the current (local) point " << localPoint |
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| 110 | << G4endl; |
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| 111 | motherSolid->DumpInfo(); |
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| 112 | G4Exception("G4NormalNavigation::ComputeStep()", |
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| 113 | "NegativeSafetyMotherVol", FatalException, |
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| 114 | "Negative Safety In Voxel Navigation !" ); |
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| 115 | } |
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| 116 | if( motherSolid->Inside(localPoint)==kOutside ) |
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| 117 | { |
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| 118 | G4cout << "WARNING - G4NormalNavigation::ComputeStep()" << G4endl |
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| 119 | << " Point " << localPoint |
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| 120 | << " is outside current volume " << motherPhysical->GetName() |
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| 121 | << G4endl; |
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| 122 | G4double estDistToSolid= motherSolid->DistanceToIn(localPoint); |
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| 123 | G4cout << " Estimated isotropic distance to solid (distToIn)= " |
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| 124 | << estDistToSolid << G4endl; |
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| 125 | if( estDistToSolid > 100.0 * motherSolid->GetTolerance() ) |
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| 126 | { |
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| 127 | motherSolid->DumpInfo(); |
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| 128 | G4Exception("G4NormalNavigation::ComputeStep()", |
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| 129 | "FarOutsideCurrentVolume", FatalException, |
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| 130 | "Point is far outside Current Volume !" ); |
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| 131 | } |
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| 132 | else |
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| 133 | G4Exception("G4NormalNavigation::ComputeStep()", "OutsideCurrentVolume", |
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| 134 | JustWarning, "Point is a little outside Current Volume."); |
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| 135 | } |
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| 136 | |
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| 137 | // Verification / verbosity |
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| 138 | // |
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| 139 | if ( fVerbose > 1 ) |
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| 140 | { |
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| 141 | G4int oldprec = G4cout.precision(precVerf); |
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| 142 | G4cout << " G4NormalNavigation::ComputeStep()" |
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| 143 | << " - Information on mother / key daughters ..." << G4endl; |
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| 144 | G4cout << " Type " << std::setw(12) << "Solid-Name" << " " |
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| 145 | << std::setw(3*(6+precVerf)) << " local point" << " " |
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| 146 | << std::setw(4+precVerf) << "solid-Safety" << " " |
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| 147 | << std::setw(4+precVerf) << "solid-Step" << " " |
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| 148 | << std::setw(17) << "distance Method " |
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| 149 | << std::setw(3*(6+precVerf)) << " local direction" << " " |
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| 150 | << G4endl; |
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| 151 | G4cout << " Mother " << std::setw(12) << motherSolid->GetName() << " " |
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| 152 | << std::setw(4+precVerf) << localPoint << " " |
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| 153 | << std::setw(4+precVerf) << motherSafety << " " |
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| 154 | << G4endl; |
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| 155 | G4cout.precision(oldprec); |
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| 156 | } |
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| 157 | |
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| 158 | } |
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| 159 | #endif |
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| 160 | |
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| 161 | // |
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| 162 | // Compute daughter safeties & intersections |
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| 163 | // |
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| 164 | |
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| 165 | // Exiting normal optimisation |
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| 166 | // |
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| 167 | if ( exiting&&validExitNormal ) |
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| 168 | { |
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| 169 | if ( localDirection.dot(exitNormal)>=kMinExitingNormalCosine ) |
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| 170 | { |
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| 171 | // Block exited daughter volume |
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| 172 | // |
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| 173 | blockedExitedVol =* pBlockedPhysical; |
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| 174 | ourSafety = 0; |
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| 175 | } |
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| 176 | } |
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| 177 | exiting = false; |
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| 178 | entering = false; |
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| 179 | |
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| 180 | localNoDaughters = motherLogical->GetNoDaughters(); |
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| 181 | for ( sampleNo=localNoDaughters-1; sampleNo>=0; sampleNo--) |
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| 182 | { |
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| 183 | samplePhysical = motherLogical->GetDaughter(sampleNo); |
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| 184 | if ( samplePhysical!=blockedExitedVol ) |
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| 185 | { |
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| 186 | G4AffineTransform sampleTf(samplePhysical->GetRotation(), |
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| 187 | samplePhysical->GetTranslation()); |
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| 188 | sampleTf.Invert(); |
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| 189 | const G4ThreeVector samplePoint = |
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| 190 | sampleTf.TransformPoint(localPoint); |
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| 191 | const G4VSolid *sampleSolid = |
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| 192 | samplePhysical->GetLogicalVolume()->GetSolid(); |
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| 193 | const G4double sampleSafety = |
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| 194 | sampleSolid->DistanceToIn(samplePoint); |
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| 195 | if ( sampleSafety<ourSafety ) |
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| 196 | { |
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| 197 | ourSafety=sampleSafety; |
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| 198 | } |
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| 199 | if ( sampleSafety<=ourStep ) |
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| 200 | { |
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| 201 | sampleDirection = sampleTf.TransformAxis(localDirection); |
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| 202 | const G4double sampleStep = |
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| 203 | sampleSolid->DistanceToIn(samplePoint,sampleDirection); |
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| 204 | #ifdef G4VERBOSE |
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| 205 | if(( fCheck ) && ( fVerbose == 1 )) |
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| 206 | { |
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| 207 | G4cout << "*** G4NormalNavigation::ComputeStep(): ***" << G4endl |
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| 208 | << " Invoked DistanceToIn(p,v) for daughter solid: " |
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| 209 | << sampleSolid->GetName() |
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| 210 | << ". Solid replied: " << sampleStep << G4endl |
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| 211 | << " For local point p: " << samplePoint << G4endl |
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| 212 | << " Direction v: " << sampleDirection |
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| 213 | << ", to be considered as 'daughter step'." << G4endl; |
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| 214 | } |
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| 215 | #endif |
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| 216 | if ( sampleStep<=ourStep ) |
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| 217 | { |
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| 218 | ourStep = sampleStep; |
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| 219 | entering = true; |
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| 220 | exiting = false; |
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| 221 | *pBlockedPhysical = samplePhysical; |
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| 222 | blockedReplicaNo = -1; |
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| 223 | |
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| 224 | #ifdef G4VERBOSE |
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| 225 | // Check to see that the resulting point is indeed in/on volume. |
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| 226 | // This check could eventually be made only for successful candidate. |
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| 227 | |
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| 228 | if ( ( fCheck ) && ( sampleStep < kInfinity ) ) |
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| 229 | { |
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| 230 | G4ThreeVector intersectionPoint; |
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| 231 | intersectionPoint= samplePoint + sampleStep * sampleDirection; |
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| 232 | EInside insideIntPt= sampleSolid->Inside(intersectionPoint); |
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| 233 | G4String solidResponse = "-kInside-"; |
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| 234 | if (insideIntPt == kOutside) |
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| 235 | solidResponse = "-kOutside-"; |
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| 236 | else if (insideIntPt == kSurface) |
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| 237 | solidResponse = "-kSurface-"; |
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| 238 | if( fVerbose == 1 ) |
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| 239 | { |
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| 240 | G4cout << "*** G4NormalNavigation::ComputeStep(): ***" << G4endl |
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| 241 | << " Invoked Inside() for solid: " |
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| 242 | << sampleSolid->GetName() |
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| 243 | << ". Solid replied: " << solidResponse << G4endl |
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| 244 | << " For point p: " << intersectionPoint |
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| 245 | << ", considered as 'intersection' point." << G4endl; |
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| 246 | } |
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| 247 | if ( insideIntPt != kSurface ) |
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| 248 | { |
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| 249 | G4int oldcoutPrec = G4cout.precision(16); |
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| 250 | G4cout << "WARNING - G4NormalNavigation::ComputeStep()" << G4endl |
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| 251 | << " Inaccurate DistanceToIn for solid " |
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| 252 | << sampleSolid->GetName() << G4endl; |
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| 253 | G4cout << " Solid gave DistanceToIn = " << sampleStep |
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| 254 | << " yet returns " << solidResponse |
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| 255 | << " for this point !" << G4endl; |
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| 256 | G4cout << " Point = " << intersectionPoint << G4endl; |
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| 257 | if ( insideIntPt != kInside ) |
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| 258 | G4cout << " DistanceToIn(p) = " |
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| 259 | << sampleSolid->DistanceToIn(intersectionPoint) |
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| 260 | << G4endl; |
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| 261 | if ( insideIntPt != kOutside ) |
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| 262 | G4cout << " DistanceToOut(p) = " |
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| 263 | << sampleSolid->DistanceToOut(intersectionPoint) |
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| 264 | << G4endl; |
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| 265 | G4Exception("G4NormalNavigation::ComputeStep()", |
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| 266 | "InaccurateDistanceToIn", JustWarning, |
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| 267 | "Navigator gets conflicting response from Solid."); |
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| 268 | G4cout.precision(oldcoutPrec); |
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| 269 | } |
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| 270 | } |
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| 271 | |
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| 272 | // Verification / verbosity |
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| 273 | // |
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| 274 | if ( fVerbose > 1 ) |
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| 275 | { |
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| 276 | G4int oldprec = G4cout.precision(precVerf); |
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| 277 | G4cout << " Daught " |
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| 278 | << std::setw(12) << sampleSolid->GetName() << " " |
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| 279 | << std::setw(4+precVerf) << samplePoint << " " |
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| 280 | << std::setw(4+precVerf) << sampleSafety << " " |
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| 281 | << std::setw(4+precVerf) << sampleStep << " " |
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| 282 | << std::setw(16) << "distanceToIn" << " " |
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| 283 | << std::setw(4+precVerf) << localDirection << " " |
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| 284 | << G4endl; |
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| 285 | G4cout.precision(oldprec); |
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| 286 | } |
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| 287 | #endif |
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| 288 | } |
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| 289 | } |
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| 290 | } |
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| 291 | } |
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| 292 | if ( currentProposedStepLength<ourSafety ) |
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| 293 | { |
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| 294 | // Guaranteed physics limited |
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| 295 | // |
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| 296 | entering = false; |
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| 297 | exiting = false; |
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| 298 | *pBlockedPhysical = 0; |
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| 299 | ourStep = kInfinity; |
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| 300 | } |
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| 301 | else |
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| 302 | { |
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| 303 | // Compute mother intersection if required |
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| 304 | // |
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| 305 | if ( motherSafety<=ourStep ) |
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| 306 | { |
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| 307 | G4double motherStep = motherSolid->DistanceToOut(localPoint, |
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| 308 | localDirection, |
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| 309 | true, |
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| 310 | &validExitNormal, |
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| 311 | &exitNormal); |
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| 312 | #ifdef G4VERBOSE |
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| 313 | if ( fCheck ) |
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| 314 | { |
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| 315 | if( fVerbose == 1 ) |
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| 316 | { |
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| 317 | G4cout << "*** G4NormalNavigation::ComputeStep(): ***" << G4endl |
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| 318 | << " Invoked DistanceToOut(p,v,...) for mother solid: " |
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| 319 | << motherSolid->GetName() |
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| 320 | << ". Solid replied: " << motherStep << G4endl |
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| 321 | << " For local point p: " << localPoint << G4endl |
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| 322 | << " Direction v: " << localDirection |
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| 323 | << ", to be considered as 'mother step'." << G4endl; |
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| 324 | } |
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| 325 | if( ( motherStep < 0.0 ) || ( motherStep >= kInfinity) ) |
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| 326 | { |
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| 327 | G4cerr << "ERROR - G4NormalNavigation::ComputeStep()" << G4endl |
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| 328 | << " Problem in Navigation" << G4endl |
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| 329 | << " Point (local coordinates): " |
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| 330 | << localPoint << G4endl |
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| 331 | << " Local Direction: " << localDirection << G4endl |
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| 332 | << " Solid: " << motherSolid->GetName() << G4endl; |
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| 333 | motherSolid->DumpInfo(); |
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| 334 | G4Exception("G4NormalNavigation::ComputeStep()", |
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| 335 | "PointDistOutInvalid", FatalException, |
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| 336 | "Current point is outside the current solid !"); |
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| 337 | } |
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| 338 | } |
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| 339 | if ( fVerbose > 1 ) |
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| 340 | { |
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| 341 | G4int oldprec = G4cout.precision(precVerf); |
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| 342 | G4cout << " Mother " << std::setw(12) << motherSolid->GetName() << " " |
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| 343 | << std::setw(4+precVerf) << localPoint << " " |
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| 344 | << std::setw(4+precVerf) << motherSafety << " " |
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| 345 | << std::setw(4+precVerf) << motherStep << " " |
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| 346 | << std::setw(16) << "distanceToOut" << " " |
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| 347 | << std::setw(4+precVerf) << localDirection << " " |
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| 348 | << G4endl; |
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| 349 | G4cout.precision(oldprec); |
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| 350 | } |
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| 351 | #endif |
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| 352 | |
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| 353 | if ( motherStep<=ourStep ) |
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| 354 | { |
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| 355 | ourStep = motherStep; |
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| 356 | exiting = true; |
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| 357 | entering = false; |
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| 358 | if ( validExitNormal ) |
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| 359 | { |
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| 360 | const G4RotationMatrix *rot = motherPhysical->GetRotation(); |
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| 361 | if (rot) |
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| 362 | { |
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| 363 | exitNormal *= rot->inverse(); |
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| 364 | } |
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| 365 | } |
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| 366 | } |
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| 367 | else |
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| 368 | { |
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| 369 | validExitNormal = false; |
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| 370 | } |
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| 371 | } |
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| 372 | } |
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| 373 | newSafety = ourSafety; |
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| 374 | return ourStep; |
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| 375 | } |
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| 376 | |
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| 377 | // ******************************************************************** |
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| 378 | // ComputeSafety |
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| 379 | // ******************************************************************** |
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| 380 | // |
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| 381 | G4double G4NormalNavigation::ComputeSafety(const G4ThreeVector &localPoint, |
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| 382 | const G4NavigationHistory &history, |
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| 383 | const G4double) |
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| 384 | { |
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| 385 | G4VPhysicalVolume *motherPhysical, *samplePhysical; |
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| 386 | G4LogicalVolume *motherLogical; |
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| 387 | G4VSolid *motherSolid; |
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| 388 | G4double motherSafety, ourSafety; |
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| 389 | G4int localNoDaughters, sampleNo; |
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| 390 | |
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| 391 | motherPhysical = history.GetTopVolume(); |
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| 392 | motherLogical = motherPhysical->GetLogicalVolume(); |
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| 393 | motherSolid = motherLogical->GetSolid(); |
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| 394 | |
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| 395 | // Compute mother safety |
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| 396 | // |
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| 397 | motherSafety = motherSolid->DistanceToOut(localPoint); |
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| 398 | ourSafety = motherSafety; // Working isotropic safety |
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| 399 | |
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| 400 | #ifdef G4VERBOSE |
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| 401 | if(( fCheck ) && ( fVerbose == 1 )) |
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| 402 | { |
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| 403 | G4cout << "*** G4NormalNavigation::ComputeSafety(): ***" << G4endl |
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| 404 | << " Invoked DistanceToOut(p) for mother solid: " |
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| 405 | << motherSolid->GetName() |
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| 406 | << ". Solid replied: " << motherSafety << G4endl |
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| 407 | << " For local point p: " << localPoint |
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| 408 | << ", to be considered as 'mother safety'." << G4endl; |
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| 409 | } |
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| 410 | #endif |
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| 411 | |
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| 412 | // Compute daughter safeties |
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| 413 | // |
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| 414 | localNoDaughters = motherLogical->GetNoDaughters(); |
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| 415 | for ( sampleNo=localNoDaughters-1; sampleNo>=0; sampleNo-- ) |
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| 416 | { |
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| 417 | samplePhysical = motherLogical->GetDaughter(sampleNo); |
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| 418 | G4AffineTransform sampleTf(samplePhysical->GetRotation(), |
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| 419 | samplePhysical->GetTranslation()); |
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| 420 | sampleTf.Invert(); |
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| 421 | const G4ThreeVector samplePoint = |
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| 422 | sampleTf.TransformPoint(localPoint); |
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| 423 | const G4VSolid *sampleSolid = |
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| 424 | samplePhysical->GetLogicalVolume()->GetSolid(); |
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| 425 | const G4double sampleSafety = |
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| 426 | sampleSolid->DistanceToIn(samplePoint); |
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| 427 | if ( sampleSafety<ourSafety ) |
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| 428 | { |
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| 429 | ourSafety = sampleSafety; |
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| 430 | } |
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| 431 | #ifdef G4VERBOSE |
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| 432 | if(( fCheck ) && ( fVerbose == 1 )) |
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| 433 | { |
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| 434 | G4cout << "*** G4NormalNavigation::ComputeSafety(): ***" << G4endl |
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| 435 | << " Invoked DistanceToIn(p) for daughter solid: " |
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| 436 | << sampleSolid->GetName() |
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| 437 | << ". Solid replied: " << sampleSafety << G4endl |
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| 438 | << " For local point p: " << samplePoint |
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| 439 | << ", to be considered as 'daughter safety'." << G4endl; |
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| 440 | } |
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| 441 | #endif |
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| 442 | } |
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| 443 | return ourSafety; |
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| 444 | } |
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