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 | // $Id: SteppingAction.cc,v 1.2 2007/10/31 16:16:20 maire Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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31 | |
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32 | #include "SteppingAction.hh" |
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33 | #include "DetectorConstruction.hh" |
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34 | #include "RunAction.hh" |
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35 | #include "EventAction.hh" |
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36 | #include "TrackingAction.hh" |
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37 | #include "HistoManager.hh" |
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38 | |
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39 | #include "G4SteppingManager.hh" |
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40 | #include "G4Gamma.hh" |
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41 | #include "G4UnitsTable.hh" |
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42 | |
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43 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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44 | |
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45 | SteppingAction::SteppingAction(DetectorConstruction* det, RunAction* RuAct, |
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46 | EventAction* EvAct,TrackingAction* TrAct, |
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47 | HistoManager* histo) |
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48 | :detector(det), runAction(RuAct), eventAction(EvAct), trackAction(TrAct), |
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49 | histoManager(histo), wall(0), cavity(0) |
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50 | { |
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51 | first = true; |
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52 | trackSegm = 0.; |
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53 | directionIn = 0.; |
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54 | } |
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55 | |
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56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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57 | |
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58 | SteppingAction::~SteppingAction() |
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59 | { } |
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60 | |
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61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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62 | |
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63 | void SteppingAction::UserSteppingAction(const G4Step* step) |
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64 | { |
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65 | //get detector pointers |
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66 | if (first) { |
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67 | wall = detector->GetWall(); |
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68 | cavity = detector->GetCavity(); |
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69 | first = false; |
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70 | } |
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71 | |
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72 | //get volume |
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73 | // |
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74 | G4StepPoint* point1 = step->GetPreStepPoint(); |
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75 | G4VPhysicalVolume* volume = point1->GetTouchableHandle()->GetVolume(); |
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76 | |
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77 | // count processes |
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78 | // |
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79 | G4StepPoint* point2 = step->GetPostStepPoint(); |
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80 | const G4VProcess* process = point2->GetProcessDefinedStep(); |
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81 | if (process) runAction->CountProcesses(process->GetProcessName()); |
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82 | |
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83 | //energy deposit in cavity |
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84 | // |
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85 | if (volume == cavity) { |
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86 | G4double edep = step->GetTotalEnergyDeposit(); |
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87 | if (edep > 0.) trackAction->AddEdepCavity(edep); |
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88 | } |
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89 | |
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90 | //keep only charged particles |
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91 | // |
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92 | if (step->GetTrack()->GetDefinition() == G4Gamma::Gamma()) return; |
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93 | |
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94 | //step size of charged particles |
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95 | // |
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96 | G4int id; |
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97 | G4double steplen = step->GetStepLength(); |
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98 | if (volume == wall) {runAction->StepInWall (steplen); id = 9;} |
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99 | else {runAction->StepInCavity(steplen); id = 10;} |
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100 | histoManager->FillHisto(id,steplen); |
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101 | |
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102 | //last step before hitting the cavity |
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103 | // |
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104 | if ((volume == wall) && (point2->GetStepStatus() == fGeomBoundary)) { |
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105 | directionIn = point1->GetMomentumDirection(); |
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106 | } |
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107 | |
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108 | //keep only charged particles within cavity |
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109 | // |
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110 | if (volume == wall) return; |
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111 | |
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112 | G4double ekin1 = point1->GetKineticEnergy(); |
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113 | G4double ekin2 = point2->GetKineticEnergy(); |
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114 | |
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115 | //first step in cavity |
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116 | // |
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117 | if (point1->GetStepStatus() == fGeomBoundary) { |
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118 | trackSegm = 0.; |
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119 | G4ThreeVector vertex = step->GetTrack()->GetVertexPosition(); |
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120 | histoManager->FillHisto(4,vertex.z()); |
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121 | runAction->FlowInCavity(0,ekin1); |
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122 | histoManager->FillHisto(5,ekin1); |
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123 | if (steplen>0.) { |
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124 | G4ThreeVector directionOut = |
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125 | (point2->GetPosition() - point1->GetPosition()).unit(); |
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126 | G4ThreeVector normal = point1->GetTouchableHandle()->GetSolid() |
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127 | ->SurfaceNormal(point1->GetPosition()); |
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128 | histoManager->FillHisto(6,std::acos(-directionIn*normal)); |
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129 | histoManager->FillHisto(7,std::acos(-directionOut*normal)); |
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130 | } |
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131 | } |
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132 | |
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133 | //within cavity |
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134 | // |
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135 | if (step->GetTrack()->GetCurrentStepNumber() == 1) trackSegm = 0.; |
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136 | trackSegm += steplen; |
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137 | if (ekin2 <= 0.) { |
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138 | runAction->AddTrakCavity(trackSegm); |
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139 | histoManager->FillHisto(8,trackSegm); |
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140 | } |
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141 | |
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142 | //exit cavity |
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143 | // |
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144 | if (point2->GetStepStatus() == fGeomBoundary) { |
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145 | runAction->FlowInCavity(1,ekin2); |
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146 | runAction->AddTrakCavity(trackSegm); |
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147 | histoManager->FillHisto(8,trackSegm); |
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148 | } |
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149 | } |
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150 | |
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151 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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152 | |
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153 | |
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