| 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 | // $Id: G4InteractionCase.cc,v 1.1 2010/05/21 20:43:54 mkelsey Exp $ |
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| 26 | // GEANT4 tag: $Name: geant4-09-04-beta-cand-01 $ |
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| 27 | // |
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| 28 | // 20100518 M. Kelsey -- Move code from Colliders' "bulletTargetSetter()" |
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| 29 | // to setBulletTarget(). |
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| 30 | |
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| 31 | #include "G4InteractionCase.hh" |
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| 32 | #include "G4InuclParticle.hh" |
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| 33 | #include "G4InuclElementaryParticle.hh" |
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| 34 | #include "G4InuclNuclei.hh" |
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| 35 | |
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| 36 | |
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| 37 | // Evaluate concrete types of input particles and assign bullet, target |
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| 38 | |
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| 39 | void G4InteractionCase::set(G4InuclParticle* part1, |
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| 40 | G4InuclParticle* part2) { |
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| 41 | clear(); // Reset everything in case of failure |
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| 42 | |
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| 43 | // See which one of the two (or both) is a nucleus |
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| 44 | G4InuclNuclei* nucl1 = dynamic_cast<G4InuclNuclei*>(part1); |
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| 45 | G4InuclNuclei* nucl2 = dynamic_cast<G4InuclNuclei*>(part2); |
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| 46 | |
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| 47 | G4InuclElementaryParticle* had1 = dynamic_cast<G4InuclElementaryParticle*>(part1); |
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| 48 | G4InuclElementaryParticle* had2 = dynamic_cast<G4InuclElementaryParticle*>(part2); |
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| 49 | |
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| 50 | if (nucl1 && nucl2) { // Nuclear collision, lighter is projectile |
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| 51 | inter_case = -2; |
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| 52 | if (nucl2->getA() >= nucl1->getA()) { |
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| 53 | bullet = part1; |
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| 54 | target = part2; |
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| 55 | } else { |
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| 56 | bullet = part2; |
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| 57 | target = part1; |
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| 58 | } |
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| 59 | } else if (nucl1 || nucl2) { // Hadron on nucleus, hadron projectile |
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| 60 | inter_case = -1; |
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| 61 | if (nucl1 && had2) { |
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| 62 | bullet = part2; |
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| 63 | target = part1; |
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| 64 | } else { |
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| 65 | bullet = part1; |
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| 66 | target = part2; |
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| 67 | } |
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| 68 | } else if (had1 && had2) { // Hadron-hadron interaction, order irrelevant |
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| 69 | inter_case = had1->type() * had2->type(); |
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| 70 | bullet = part1; |
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| 71 | target = part2; |
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| 72 | } |
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| 73 | } |
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