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25 //
26 /// \file field/BlineTracer/src/G4BlineEventAction.cc
27 /// \brief Implementation of the G4BlineEventAction class
28 //
29 //
30 //
31 //
32 // --------------------------------------------------------------------
33 //
34 // G4BlineEventAction implementation
35 //
36 // --------------------------------------------------------------------
37 // Author: Laurent Desorgher (desorgher@phim.unibe.ch)
38 // Created - 2003-10-06
39 // --------------------------------------------------------------------
40
41 #include "G4BlineEventAction.hh"
42
43 #include "G4BlineTracer.hh"
44 #include "G4Event.hh"
45 #include "G4EventManager.hh"
46 #include "G4Polyline.hh"
47 #include "G4Polymarker.hh"
48 #include "G4Trajectory.hh"
49 #include "G4UImanager.hh"
50 #include "G4VisManager.hh"
51
52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53
54 G4BlineEventAction::G4BlineEventAction(G4BlineTracer* aBlineTool)
55 {
56 fBlineTool = aBlineTool;
57 }
58
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60
61 G4BlineEventAction::~G4BlineEventAction()
62 {
63 for (size_t i = 0; i < fTrajectoryVisAttributes.size(); i++)
64 delete fTrajectoryVisAttributes[i];
65 }
66
67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
68
69 void G4BlineEventAction::BeginOfEventAction(const G4Event*) {}
70
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
72
73 void G4BlineEventAction::EndOfEventAction(const G4Event* evt)
74 {
75 G4TrajectoryContainer* trajectoryContainer = evt->GetTrajectoryContainer();
76 if (trajectoryContainer) {
77 // visualisation
78 // -------------
79
80 if (fDrawBline || fDrawPoints) {
81 G4int n_point = (*(evt->GetTrajectoryContainer()))[0]->GetPointEntries();
82
83 G4Polyline pPolyline;
84 G4Polymarker stepPoints;
85 fTrajectoryVisAttributes.push_back(new G4VisAttributes(fDrawColour));
86 stepPoints.SetMarkerType(G4Polymarker::circles);
87 stepPoints.SetScreenSize(fPointSize);
88 stepPoints.SetFillStyle(G4VMarker::filled);
89 stepPoints.SetVisAttributes(fTrajectoryVisAttributes.back());
90
91 for (G4int i = 0; i < n_point; i++) {
92 G4ThreeVector pos =
93 ((G4TrajectoryPoint*)((*(evt->GetTrajectoryContainer()))[0]->GetPoint(i)))->GetPosition();
94 if (fDrawBline) pPolyline.push_back(pos);
95 if (fDrawPoints) stepPoints.push_back(pos);
96 }
97
98 pPolyline.SetVisAttributes(fTrajectoryVisAttributes.back());
99
100 fTrajectoryPolyline.push_back(pPolyline);
101 fTrajectoryPoints.push_back(stepPoints);
102 }
103 }
104 }
105
106 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
107
108 void G4BlineEventAction::DrawFieldLines(G4double, G4double, G4double)
109 {
110 size_t nline = fTrajectoryPolyline.size();
111 size_t npoints = fTrajectoryPoints.size();
112
113 G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();
114 if (!pVVisManager) {
115 G4Exception("G4BlineEventAction::DrawFieldLines()", "NullPointer", JustWarning,
116 "Missing visualisation driver for visualising magnetic field lines!");
117 return;
118 }
119
120 if (nline == 0) {
121 G4cout << "WARNING - G4BlineEventAction::DrawFieldLines()" << G4endl
122 << " There is nothing to visualise !" << G4endl;
123 return;
124 }
125 ((G4VisManager*)pVVisManager)->GetCurrentSceneHandler()->ClearStore();
126 G4UImanager::GetUIpointer()->ApplyCommand("/vis/drawVolume");
127
128 for (size_t i = 0; i < nline; i++)
129 pVVisManager->Draw(fTrajectoryPolyline[i]);
130 for (size_t i = 0; i < npoints; i++)
131 pVVisManager->Draw(fTrajectoryPoints[i]);
132
133 // ((G4VisManager*)pVVisManager)->GetCurrentViewer()->DrawView();
134 // ((G4VisManager*)pVVisManager)->GetCurrentViewer()->ShowView();
135 }
136
137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138
139 void G4BlineEventAction::ResetVectorObjectToBeDrawn()
140 {
141 fTrajectoryVisAttributes.clear();
142 fTrajectoryPolyline.clear();
143 fTrajectoryPoints.clear();
144 }
145