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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 // G4StackChecker 27 // 28 // Class description: 29 // 30 // A UserStackingAction for removing unreasonable tracks. 31 32 // Author: Makoto Asai, 2003 33 // -------------------------------------------------------------------- 34 #ifndef G4StackChecker_hh 35 #define G4StackChecker_hh 1 36 37 #include "G4UserStackingAction.hh" 38 #include "G4ClassificationOfNewTrack.hh" 39 #include "G4ThreeVector.hh" 40 41 class G4Track; 42 43 class G4StackChecker : public G4UserStackingAction 44 { 45 public: 46 47 G4StackChecker() = default; 48 ~G4StackChecker() override = default; 49 50 G4ClassificationOfNewTrack ClassifyNewTrack(const G4Track* track) override; 51 52 private: 53 54 G4ThreeVector nullDirection{0.0,0.0,0.0}; 55 }; 56 57 #endif 58