| 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: geant4-09-02-ref-02 $
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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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