| 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: G4TouchableHistory.icc,v 1.10 2006/12/07 14:26:28 japost Exp $ |
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| 28 | // GEANT4 tag $Name: HEAD $ |
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| 29 | // |
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| 30 | // |
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| 31 | // class G4TouchableHistory inline implementation |
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| 32 | // ---------------------------------------------------------------------- |
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| 33 | |
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| 34 | inline |
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| 35 | G4TouchableHistory::G4TouchableHistory() |
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| 36 | : frot(G4RotationMatrix()), |
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| 37 | ftlate(G4ThreeVector(0.,0.,0.)), |
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| 38 | fhistory() |
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| 39 | { |
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| 40 | G4VPhysicalVolume* pPhysVol=0; |
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| 41 | fhistory.SetFirstEntry(pPhysVol); |
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| 42 | } |
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| 43 | |
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| 44 | inline |
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| 45 | G4TouchableHistory::G4TouchableHistory( const G4NavigationHistory &history ) |
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| 46 | : fhistory(history) |
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| 47 | { |
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| 48 | G4AffineTransform tf(fhistory.GetTopTransform().Inverse()); |
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| 49 | ftlate = tf.NetTranslation(); |
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| 50 | frot = tf.NetRotation(); |
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| 51 | } |
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| 52 | |
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| 53 | inline |
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| 54 | void G4TouchableHistory::UpdateYourself( G4VPhysicalVolume* pPhysVol, |
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| 55 | const G4NavigationHistory* pHistory ) |
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| 56 | { |
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| 57 | fhistory = *pHistory; |
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| 58 | G4AffineTransform tf(fhistory.GetTopTransform().Inverse()); |
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| 59 | if( pPhysVol == 0 ) |
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| 60 | { |
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| 61 | // This means that the track has left the World Volume. |
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| 62 | // Since the Navigation History does not already reflect this, |
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| 63 | // we must correct this problem here. |
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| 64 | // |
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| 65 | fhistory.SetFirstEntry(pPhysVol); |
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| 66 | } |
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| 67 | ftlate = tf.NetTranslation(); |
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| 68 | frot = tf.NetRotation(); |
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| 69 | } |
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| 70 | |
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| 71 | inline |
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| 72 | G4int G4TouchableHistory::CalculateHistoryIndex( G4int stackDepth ) const |
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| 73 | { |
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| 74 | return (fhistory.GetDepth()-stackDepth); // was -1 |
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| 75 | } |
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| 76 | |
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| 77 | inline |
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| 78 | G4VPhysicalVolume* G4TouchableHistory::GetVolume( G4int depth ) const |
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| 79 | { |
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| 80 | return fhistory.GetVolume(CalculateHistoryIndex(depth)); |
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| 81 | } |
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| 82 | |
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| 83 | inline |
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| 84 | G4VSolid* G4TouchableHistory::GetSolid( G4int depth ) const |
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| 85 | { |
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| 86 | return fhistory.GetVolume(CalculateHistoryIndex(depth)) |
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| 87 | ->GetLogicalVolume()->GetSolid(); |
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| 88 | } |
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| 89 | |
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| 90 | inline |
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| 91 | G4int G4TouchableHistory::GetReplicaNumber( G4int depth ) const |
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| 92 | { |
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| 93 | return fhistory.GetReplicaNo(CalculateHistoryIndex(depth)); |
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| 94 | } |
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| 95 | |
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| 96 | inline |
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| 97 | G4int G4TouchableHistory::GetHistoryDepth() const |
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| 98 | { |
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| 99 | return fhistory.GetDepth(); |
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| 100 | } |
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| 101 | |
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| 102 | inline |
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| 103 | G4int G4TouchableHistory::MoveUpHistory( G4int num_levels ) |
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| 104 | { |
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| 105 | G4NavigationHistory* nHistory= &fhistory; |
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| 106 | G4int maxLevelsMove = nHistory->GetDepth(); |
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| 107 | G4int minLevelsMove = 0; // Cannot redescend today! |
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| 108 | // Soon it will be possible |
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| 109 | // by adding a data member here |
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| 110 | // fCurrentDepth; |
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| 111 | if( num_levels > maxLevelsMove ) |
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| 112 | { |
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| 113 | num_levels = maxLevelsMove; |
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| 114 | } |
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| 115 | else if( num_levels < minLevelsMove ) |
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| 116 | { |
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| 117 | num_levels = minLevelsMove; |
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| 118 | } |
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| 119 | nHistory->BackLevel( num_levels ); |
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| 120 | |
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| 121 | return num_levels; |
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| 122 | } |
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| 123 | |
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| 124 | inline |
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| 125 | const G4NavigationHistory* G4TouchableHistory::GetHistory() const |
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| 126 | { |
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| 127 | return &fhistory; |
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| 128 | } |
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