[1316] | 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 | // FredSensitive.cc |
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| 28 | // |
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| 29 | // Implementation of our sensitive test volume |
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| 30 | // |
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| 31 | |
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| 32 | #include "FredSensitive.hh" |
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| 33 | #include "G4StepStatus.hh" |
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| 34 | |
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| 35 | // |
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| 36 | // Constructor |
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| 37 | // |
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| 38 | FredSensitive::FredSensitive( G4String name ) : G4VSensitiveDetector( name ) |
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| 39 | { |
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| 40 | // |
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| 41 | // Now we play the c++ guessing game: which inherited |
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| 42 | // parameters do we fill? Should be obvious, but, |
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| 43 | // the only clue I got was in the examples. |
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| 44 | // |
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| 45 | // IMHO: it would be |
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| 46 | // better to have an inherited class with more arguments |
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| 47 | // whose constructor is explicitly invoked here. |
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| 48 | // Then there would be no ambiguities. |
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| 49 | // |
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| 50 | collectionName.insert( "fredsStuff" ); |
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| 51 | } |
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| 52 | |
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| 53 | // |
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| 54 | // Destructor |
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| 55 | // |
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| 56 | // Odd we don't bother deleting the hits here... shouldn't we? |
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| 57 | // Perhaps it doesn't matter, since G4 is pretty much static when |
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| 58 | // it comes to detector configuration. But, we're all c++ experts, |
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| 59 | // so we need to go through the moves. |
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| 60 | // |
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| 61 | FredSensitive::~FredSensitive() {;} |
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| 62 | |
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| 63 | // |
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| 64 | // Initialize |
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| 65 | // |
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| 66 | // Despite the misnomer, this is done at the beginning of each event. |
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| 67 | // HCE is a meta-list of hit collections where one is allowed to store |
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| 68 | // stuff. |
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| 69 | // |
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| 70 | void FredSensitive::Initialize( G4HCofThisEvent *HCE ) |
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| 71 | { |
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| 72 | hits = new FredHitCollection( SensitiveDetectorName, collectionName[0] ); |
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| 73 | |
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| 74 | static int HCID = -1; |
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| 75 | if (HCID < 0) HCID = GetCollectionID(0); |
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| 76 | HCE->AddHitsCollection( HCID, hits ); |
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| 77 | } |
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| 78 | |
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| 79 | // |
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| 80 | // ProcessHits |
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| 81 | // |
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| 82 | // Another misnomer: this member function processes one step in the |
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| 83 | // sensitive volume. |
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| 84 | // |
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| 85 | G4bool FredSensitive::ProcessHits( G4Step *step, G4TouchableHistory * ) |
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| 86 | { |
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| 87 | G4bool imHit = false; |
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| 88 | |
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| 89 | // |
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| 90 | // Okay, for test purposes, I want to store hits that intersect |
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| 91 | // the boundary of the detector |
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| 92 | // |
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| 93 | if (step->GetPreStepPoint()->GetStepStatus() == fGeomBoundary) { |
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| 94 | FredHit *hit = new FredHit( step->GetPreStepPoint()->GetPosition(), true, step->GetTrack() ); |
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| 95 | hits->insert( hit ); |
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| 96 | imHit = true; |
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| 97 | } |
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| 98 | if (step->GetPostStepPoint()->GetStepStatus() == fGeomBoundary) { |
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| 99 | FredHit *hit = new FredHit( step->GetPostStepPoint()->GetPosition(), false, step->GetTrack() ); |
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| 100 | hits->insert( hit ); |
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| 101 | imHit = true; |
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| 102 | } |
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| 103 | |
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| 104 | return imHit; |
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| 105 | } |
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| 106 | |
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