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25 //
26 //
27 // --------------------------------------------------------------
28 // GEANT 4 - Underground Dark Matter Detector Advanced Example
29 //
30 // For information related to this code contact: Alex Howard
31 // e-mail: alexander.howard@cern.ch
32 // --------------------------------------------------------------
33 // Comments
34 //
35 // Underground Advanced
36 // by A. Howard and H. Araujo
37 // (27th November 2001)
38 //
39 // History:
40 // 21 Feb 2002 AH: Added Analysis
41 //
42 // SteppingAction program
43 // --------------------------------------------------------------
44
45 #include "DMXSteppingAction.hh"
46 #include "DMXSteppingActionMessenger.hh"
47
48 #include "DMXEventAction.hh"
49
50 #include "G4AnalysisManager.hh"
51 #include "G4RunManager.hh"
52 #include "G4Track.hh"
53 #include "G4Step.hh"
54 #include "G4StepPoint.hh"
55 #include "G4TrackStatus.hh"
56 #include "G4ParticleDefinition.hh"
57 #include "G4ParticleTypes.hh"
58 #include "G4VVisManager.hh"
59 #include "G4Colour.hh"
60 #include "G4Polyline.hh"
61 #include "G4VisAttributes.hh"
62 #include "globals.hh"
63 #include "G4ios.hh"
64
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
67
68 DMXSteppingAction::DMXSteppingAction()
69 : evtAction(0) {
70
71 steppingMessenger = new DMXSteppingActionMessenger(this);
72
73 // defaults for messenger
74 colourNeutronFlag = "magenta";
75 colourGammaFlag = "cyan";
76 colourOpticalFlag = "white";
77 colourChargedPlusFlag = "red";
78 colourChargedMinusFlag = "blue";
79
80 }
81
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83
84 DMXSteppingAction::~DMXSteppingAction()
85 {
86
87 delete steppingMessenger;
88
89 }
90
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
92
93 void DMXSteppingAction::UserSteppingAction(const G4Step* fStep)
94 {
95 if (!evtAction)
96 evtAction =
97 dynamic_cast<const DMXEventAction*>
98 (G4RunManager::GetRunManager()->GetUserEventAction());
99
100
101 // removed 28/11/01 - unnecessary unless program "freezes"
102 // kill track if too many steps
103 // NB: This is set to DBL_MAX - therefore may cause program to "hang"
104 // G4int MaxNoSteps = DBL_MAX;
105 // G4int StepNo = fStep->GetTrack()->GetCurrentStepNumber();
106 // if(StepNo >= MaxNoSteps) fStep->GetTrack()->SetTrackStatus(fStopAndKill);
107
108 G4int StepNo = fStep->GetTrack()->GetCurrentStepNumber();
109 if(StepNo == 1)
110 {
111 G4double partEnergy = fStep->GetPreStepPoint()->GetKineticEnergy();
112 G4ParticleDefinition* particleType = fStep->GetTrack()->GetDefinition();
113
114 G4AnalysisManager* man = G4AnalysisManager::Instance();
115 if (particleType == G4Gamma::Definition())
116 man->FillH1(8,partEnergy);
117 else if (particleType == G4Neutron::Definition())
118 man->FillH1(9,partEnergy);
119 else if (particleType == G4Electron::Definition())
120 man->FillH1(10,partEnergy);
121 else if (particleType == G4Positron::Definition())
122 man->FillH1(11,partEnergy);
123 else
124 man->FillH1(12,partEnergy);
125 }
126
127
128 // check what is to be drawn from EventAction/EventActionMessenger
129 G4String drawColsFlag = evtAction->GetDrawColsFlag();
130 G4String drawTrksFlag = evtAction->GetDrawTrksFlag();
131
132 // draw by step (here) instead of by event (event action)
133 if (drawColsFlag=="custom" && drawTrksFlag!="none") {
134
135 // check that VisManager exists
136 G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();
137 if(pVVisManager) {
138
139 // particle colour in a string
140 G4String name = fStep->GetTrack()->GetDefinition()->GetParticleName();
141 G4String strColour;
142 if(name=="neutron") {
143 if(drawTrksFlag=="charged") return;
144 strColour = colourNeutronFlag;
145 } else if (name=="gamma") {
146 if(drawTrksFlag=="charged") return;
147 strColour = colourGammaFlag;
148 } else if (name=="opticalphoton") {
149 if(drawTrksFlag!="all") return;
150 strColour = colourOpticalFlag;
151 }
152 else if (name=="alpha" || name=="e+")
153 strColour = colourChargedPlusFlag;
154 else
155 strColour = colourChargedMinusFlag;
156
157 // convert string to G4Colour
158 G4Colour colour;
159 if (strColour=="white") colour=G4Colour(1.0, 1.0, 1.0);
160 else if(strColour=="grey" ) colour=G4Colour(0.5, 0.5, 0.5);
161 else if(strColour=="lgrey") colour=G4Colour(.75, .75, .75);
162 else if(strColour=="black") colour=G4Colour(0.0, 0.0, 0.0);
163 else if(strColour=="red") colour=G4Colour(1.0, 0.0, 0.0);
164 else if(strColour=="green") colour=G4Colour(0.0, 1.0, 0.0);
165 else if(strColour=="blue") colour=G4Colour(0.0, 0.0, 1.0);
166 else if(strColour=="cyan") colour=G4Colour(0.0, 1.0, 1.0);
167 else if(strColour=="magenta") colour=G4Colour(1.0, 0.0, 1.0);
168 else if(strColour=="yellow") colour=G4Colour(1.0, 1.0, 0.0);
169 else if(strColour=="lgreen") colour=G4Colour(0.0, .75, 0.0);
170 else if(strColour=="lblue") colour=G4Colour(0.0, 0.0, .75);
171 else colour=G4Colour(1.0, 1.0, 1.0);
172
173 // create line with colour
174 G4VisAttributes attribs(colour);
175 G4Polyline polyline;
176 polyline.SetVisAttributes(attribs);
177
178 // draw line
179 G4Point3D start(fStep->GetPreStepPoint()->GetPosition());
180 G4Point3D end(fStep->GetPostStepPoint()->GetPosition());
181 polyline.push_back(start);
182 polyline.push_back(end);
183 pVVisManager->Draw(polyline);
184 }
185
186 }
187
188 }
189
190
191