[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: G4VoxelNavigation.icc,v 1.4 2006/06/29 18:36:30 gunter Exp $ |
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[921] | 28 | // GEANT4 tag $Name: geant4-09-02-cand-01 $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // class G4VoxelNavigation Inline implementation |
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| 32 | // |
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| 33 | // -------------------------------------------------------------------- |
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| 34 | |
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| 35 | // ******************************************************************** |
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| 36 | // VoxelLocate |
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| 37 | // ******************************************************************** |
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| 38 | // |
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| 39 | inline |
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| 40 | G4SmartVoxelNode* |
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| 41 | G4VoxelNavigation::VoxelLocate( G4SmartVoxelHeader* pHead, |
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| 42 | const G4ThreeVector& localPoint ) |
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| 43 | { |
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| 44 | G4SmartVoxelHeader *targetVoxelHeader=pHead; |
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| 45 | G4SmartVoxelNode *targetVoxelNode=0; |
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| 46 | G4SmartVoxelProxy *sampleProxy; |
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| 47 | EAxis targetHeaderAxis; |
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| 48 | G4double targetHeaderMin, targetHeaderNodeWidth; |
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| 49 | G4int targetHeaderNoSlices, targetNodeNo; |
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| 50 | |
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| 51 | fVoxelDepth = 0; |
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| 52 | |
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| 53 | while ( !targetVoxelNode ) |
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| 54 | { |
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| 55 | targetHeaderAxis = targetVoxelHeader->GetAxis(); |
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| 56 | targetHeaderNoSlices = targetVoxelHeader->GetNoSlices(); |
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| 57 | targetHeaderMin = targetVoxelHeader->GetMinExtent(); |
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| 58 | targetHeaderNodeWidth = (targetVoxelHeader->GetMaxExtent()-targetHeaderMin) |
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| 59 | / targetHeaderNoSlices; |
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| 60 | targetNodeNo = G4int( (localPoint(targetHeaderAxis)-targetHeaderMin) |
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| 61 | / targetHeaderNodeWidth); |
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| 62 | // Rounding protection |
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| 63 | // |
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| 64 | if ( targetNodeNo<0 ) |
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| 65 | { |
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| 66 | targetNodeNo = 0; |
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| 67 | } |
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| 68 | else if ( targetNodeNo>=targetHeaderNoSlices ) |
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| 69 | { |
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| 70 | targetNodeNo = targetHeaderNoSlices-1; |
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| 71 | } |
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| 72 | // Stack info for stepping |
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| 73 | // |
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| 74 | fVoxelAxisStack[fVoxelDepth] = targetHeaderAxis; |
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| 75 | fVoxelNoSlicesStack[fVoxelDepth] = targetHeaderNoSlices; |
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| 76 | fVoxelSliceWidthStack[fVoxelDepth] = targetHeaderNodeWidth; |
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| 77 | fVoxelNodeNoStack[fVoxelDepth] = targetNodeNo; |
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| 78 | fVoxelHeaderStack[fVoxelDepth] = targetVoxelHeader; |
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| 79 | sampleProxy = targetVoxelHeader->GetSlice(targetNodeNo); |
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| 80 | |
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| 81 | if ( sampleProxy->IsNode() ) |
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| 82 | { |
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| 83 | targetVoxelNode = sampleProxy->GetNode(); |
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| 84 | } |
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| 85 | else |
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| 86 | { |
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| 87 | targetVoxelHeader = sampleProxy->GetHeader(); |
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| 88 | fVoxelDepth++; |
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| 89 | } |
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| 90 | } |
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| 91 | fVoxelNode = targetVoxelNode; |
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| 92 | return targetVoxelNode; |
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| 93 | } |
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| 94 | |
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| 95 | // ******************************************************************** |
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| 96 | // LevelLocate |
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| 97 | // ******************************************************************** |
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| 98 | // |
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| 99 | inline |
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| 100 | G4bool |
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| 101 | G4VoxelNavigation::LevelLocate( G4NavigationHistory& history, |
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| 102 | const G4VPhysicalVolume* blockedVol, |
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| 103 | const G4int, |
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| 104 | const G4ThreeVector& globalPoint, |
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| 105 | const G4ThreeVector* globalDirection, |
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| 106 | const G4bool pLocatedOnEdge, |
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| 107 | G4ThreeVector& localPoint ) |
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| 108 | { |
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| 109 | G4SmartVoxelHeader *targetVoxelHeader; |
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| 110 | G4SmartVoxelNode *targetVoxelNode; |
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| 111 | G4VPhysicalVolume *targetPhysical, *samplePhysical; |
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| 112 | G4LogicalVolume *targetLogical; |
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| 113 | G4VSolid *sampleSolid; |
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| 114 | G4ThreeVector samplePoint; |
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| 115 | G4int targetNoDaughters; |
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| 116 | |
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| 117 | targetPhysical = history.GetTopVolume(); |
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| 118 | targetLogical = targetPhysical->GetLogicalVolume(); |
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| 119 | targetVoxelHeader = targetLogical->GetVoxelHeader(); |
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| 120 | |
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| 121 | // Find the voxel containing the point |
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| 122 | // |
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| 123 | targetVoxelNode = VoxelLocate(targetVoxelHeader,localPoint); |
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| 124 | |
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| 125 | targetNoDaughters=targetVoxelNode->GetNoContained(); |
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| 126 | if ( targetNoDaughters==0 ) return false; |
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| 127 | |
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| 128 | // |
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| 129 | // Search daughters in volume |
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| 130 | // |
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| 131 | |
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| 132 | for ( register int sampleNo=targetNoDaughters-1; sampleNo>=0; sampleNo-- ) |
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| 133 | { |
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| 134 | samplePhysical = targetLogical-> |
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| 135 | GetDaughter(targetVoxelNode->GetVolume(sampleNo)); |
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| 136 | if ( samplePhysical!=blockedVol ) |
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| 137 | { |
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| 138 | // Setup history |
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| 139 | // |
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| 140 | history.NewLevel(samplePhysical, kNormal, samplePhysical->GetCopyNo()); |
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| 141 | sampleSolid = samplePhysical->GetLogicalVolume()->GetSolid(); |
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| 142 | samplePoint = history.GetTopTransform().TransformPoint(globalPoint); |
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| 143 | |
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| 144 | if( G4AuxiliaryNavServices::CheckPointOnSurface(sampleSolid, |
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| 145 | samplePoint, |
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| 146 | globalDirection, |
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| 147 | history.GetTopTransform(), |
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| 148 | pLocatedOnEdge) ) |
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| 149 | { |
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| 150 | // Enter this daughter |
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| 151 | // |
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| 152 | localPoint = samplePoint; |
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| 153 | return true; |
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| 154 | } |
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| 155 | else |
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| 156 | { |
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| 157 | history.BackLevel(); |
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| 158 | } |
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| 159 | } |
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| 160 | } |
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| 161 | return false; |
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| 162 | } |
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| 163 | |
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| 164 | // ******************************************************************** |
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| 165 | // GetVerboseLevel |
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| 166 | // ******************************************************************** |
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| 167 | // |
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| 168 | inline |
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| 169 | G4int G4VoxelNavigation::GetVerboseLevel() const |
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| 170 | { |
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| 171 | return fVerbose; |
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| 172 | } |
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| 173 | |
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| 174 | // ******************************************************************** |
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| 175 | // SetVerboseLevel |
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| 176 | // ******************************************************************** |
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| 177 | // |
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| 178 | inline |
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| 179 | void G4VoxelNavigation::SetVerboseLevel(G4int level) |
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| 180 | { |
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| 181 | fVerbose = level; |
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| 182 | } |
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| 183 | |
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| 184 | // ******************************************************************** |
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| 185 | // CheckMode |
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| 186 | // ******************************************************************** |
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| 187 | // |
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| 188 | inline |
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| 189 | void G4VoxelNavigation::CheckMode(G4bool mode) |
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| 190 | { |
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| 191 | fCheck = mode; |
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| 192 | } |
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