| 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.cc,v 1.15 2009/11/06 11:10:35 gcosmo Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03 $
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| 29 | //
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| 30 | //
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| 31 | // class G4TouchableHistory Implementation
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| 32 | //
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| 33 | // ----------------------------------------------------------------------
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| 34 |
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| 35 | #include "G4TouchableHistory.hh"
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| 36 |
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| 37 | G4Allocator<G4TouchableHistory> aTouchableHistoryAllocator;
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| 38 |
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| 39 | G4TouchableHistory::G4TouchableHistory()
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| 40 | : frot(G4RotationMatrix()),
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| 41 | ftlate(G4ThreeVector(0.,0.,0.)),
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| 42 | fhistory()
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| 43 | {
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| 44 | G4VPhysicalVolume* pPhysVol=0;
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| 45 | fhistory.SetFirstEntry(pPhysVol);
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| 46 | }
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| 47 |
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| 48 | G4TouchableHistory::G4TouchableHistory( const G4NavigationHistory &history )
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| 49 | : fhistory(history)
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| 50 | {
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| 51 | G4AffineTransform tf(fhistory.GetTopTransform().Inverse());
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| 52 | ftlate = tf.NetTranslation();
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| 53 | frot = tf.NetRotation();
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| 54 | }
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| 55 |
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| 56 | G4TouchableHistory::~G4TouchableHistory()
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| 57 | {
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| 58 | }
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| 59 |
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| 60 | const G4ThreeVector&
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| 61 | G4TouchableHistory::GetTranslation(G4int depth) const
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| 62 | {
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| 63 | // The value returned will change at the next call
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| 64 | // Copy it if you want to use it!
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| 65 | //
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| 66 | static G4ThreeVector currTranslation;
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| 67 | if(depth==0.0)
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| 68 | {
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| 69 | return ftlate;
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| 70 | }
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| 71 | else
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| 72 | {
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| 73 | currTranslation =
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| 74 | fhistory.GetTransform(CalculateHistoryIndex(depth)).NetTranslation();
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| 75 | return currTranslation;
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| 76 | }
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| 77 | }
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| 78 |
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| 79 | const G4RotationMatrix*
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| 80 | G4TouchableHistory::GetRotation(G4int depth) const
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| 81 | {
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| 82 | // The value returned will change at the next call
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| 83 | // Copy it if you want to use it!
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| 84 | //
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| 85 | static G4RotationMatrix rotM;
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| 86 |
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| 87 | if(depth==0.0)
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| 88 | {
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| 89 | return &frot;
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| 90 | }
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| 91 | else
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| 92 | {
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| 93 | rotM = fhistory.GetTransform(CalculateHistoryIndex(depth)).NetRotation();
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| 94 | return &rotM;
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| 95 | }
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| 96 | }
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