00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // 00030 // class G4TouchableHistory Implementation 00031 // 00032 // ---------------------------------------------------------------------- 00033 00034 #include "G4TouchableHistory.hh" 00035 00036 G4Allocator<G4TouchableHistory> aTouchableHistoryAllocator; 00037 00038 G4TouchableHistory::G4TouchableHistory() 00039 : frot(G4RotationMatrix()), 00040 ftlate(G4ThreeVector(0.,0.,0.)), 00041 fhistory() 00042 { 00043 G4VPhysicalVolume* pPhysVol=0; 00044 fhistory.SetFirstEntry(pPhysVol); 00045 } 00046 00047 G4TouchableHistory::G4TouchableHistory( const G4NavigationHistory &history ) 00048 : fhistory(history) 00049 { 00050 G4AffineTransform tf(fhistory.GetTopTransform().Inverse()); 00051 ftlate = tf.NetTranslation(); 00052 frot = tf.NetRotation(); 00053 } 00054 00055 G4TouchableHistory::~G4TouchableHistory() 00056 { 00057 } 00058 00059 const G4ThreeVector& 00060 G4TouchableHistory::GetTranslation(G4int depth) const 00061 { 00062 // The value returned will change at the next call 00063 // Copy it if you want to use it! 00064 // 00065 static G4ThreeVector currTranslation; 00066 if(depth==0.0) 00067 { 00068 return ftlate; 00069 } 00070 else 00071 { 00072 currTranslation = 00073 fhistory.GetTransform(CalculateHistoryIndex(depth)).NetTranslation(); 00074 return currTranslation; 00075 } 00076 } 00077 00078 const G4RotationMatrix* 00079 G4TouchableHistory::GetRotation(G4int depth) const 00080 { 00081 // The value returned will change at the next call 00082 // Copy it if you want to use it! 00083 // 00084 static G4RotationMatrix rotM; 00085 00086 if(depth==0.0) 00087 { 00088 return &frot; 00089 } 00090 else 00091 { 00092 rotM = fhistory.GetTransform(CalculateHistoryIndex(depth)).NetRotation(); 00093 return &rotM; 00094 } 00095 }