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fe4da5cc | 1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // This class contains the points for the ALICE event display // | |
4 | // // | |
5 | //Begin_Html | |
6 | /* | |
1439f98e | 7 | <img src="picts/AliPointsClass.gif"> |
fe4da5cc | 8 | */ |
9 | //End_Html | |
10 | // // | |
11 | // // | |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include "AliPoints.h" | |
15 | #include "AliRun.h" | |
16 | #include "AliDetector.h" | |
17 | #include "TPad.h" | |
18 | #include "TView.h" | |
19 | ||
20 | ClassImp(AliPoints) | |
21 | ||
22 | //_____________________________________________________________________________ | |
23 | AliPoints::AliPoints() | |
24 | { | |
25 | // | |
26 | // Default constructor | |
27 | // | |
28 | fDetector = 0; | |
29 | fIndex = 0; | |
30 | } | |
31 | ||
32 | //_____________________________________________________________________________ | |
33 | AliPoints::AliPoints(Int_t nhits) | |
34 | :TPolyMarker3D(nhits) | |
35 | { | |
36 | // | |
37 | // Standard constructor | |
38 | // | |
39 | fDetector = 0; | |
40 | fIndex = 0; | |
41 | ResetBit(kCanDelete); | |
42 | } | |
43 | ||
44 | //_____________________________________________________________________________ | |
45 | AliPoints::~AliPoints() | |
46 | { | |
47 | // | |
48 | // Default constructor | |
49 | // | |
50 | fDetector = 0; | |
51 | fIndex = 0; | |
52 | } | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | Int_t AliPoints::DistancetoPrimitive(Int_t px, Int_t py) | |
56 | { | |
57 | // | |
58 | //*-*-*-*-*-*-*Compute distance from point px,py to a 3-D polymarker*-*-*-*-* | |
59 | //*-* ===================================================== | |
60 | //*-* | |
61 | //*-* Compute the closest distance of approach from point | |
62 | //*-* px,py to each segment | |
63 | //*-* of the polyline. | |
64 | //*-* Returns when the distance found is below DistanceMaximum. | |
65 | //*-* The distance is computed in pixels units. | |
66 | //*-* | |
67 | //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* | |
68 | ||
69 | //const Int_t inaxis = 7; | |
70 | //Int_t dist = 9999; | |
71 | return TPolyMarker3D::DistancetoPrimitive(px,py); | |
72 | } | |
73 | ||
74 | //_____________________________________________________________________________ | |
75 | void AliPoints::DumpParticle() | |
76 | { | |
77 | // | |
78 | // Dump particle corresponding to this point | |
79 | // | |
1578254f | 80 | TParticle *particle = GetParticle(); |
fe4da5cc | 81 | if (particle) particle->Dump(); |
82 | } | |
83 | ||
84 | //_____________________________________________________________________________ | |
85 | void AliPoints::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
86 | { | |
87 | // | |
88 | //*-*-*-*-*-*-*-*-*-*Execute action corresponding to one event*-*-*-*-*-*-*-* | |
89 | //*-* ========================================= | |
90 | //*-* | |
91 | //*-* This member function must be implemented to realize the action | |
92 | //*-* corresponding to the mouse click on the object in the window | |
93 | //*-* | |
94 | //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* | |
95 | ||
96 | gPad->SetCursor(kCross); | |
97 | ||
98 | if (gPad->GetView()) | |
99 | gPad->GetView()->ExecuteRotateView(event, px, py); | |
100 | ||
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
104 | const Text_t *AliPoints::GetName() const | |
105 | { | |
106 | // | |
107 | // Return name of the Geant3 particle corresponding to this point | |
108 | // | |
1578254f | 109 | TParticle *particle = GetParticle(); |
fe4da5cc | 110 | if (!particle) return "Particle"; |
111 | return particle->GetName(); | |
112 | } | |
113 | ||
114 | //_____________________________________________________________________________ | |
115 | Text_t *AliPoints::GetObjectInfo(Int_t, Int_t) | |
116 | { | |
117 | // | |
118 | // Redefines TObject::GetObjectInfo. | |
119 | // Displays the info (particle,etc | |
120 | // corresponding to cursor position px,py | |
121 | // | |
122 | static char info[64]; | |
123 | sprintf(info,"%s %d",GetName(),fIndex); | |
124 | return info; | |
125 | } | |
126 | ||
127 | //_____________________________________________________________________________ | |
1578254f | 128 | TParticle *AliPoints::GetParticle() const |
fe4da5cc | 129 | { |
130 | // | |
131 | // Returns pointer to particle index in AliRun::fParticles | |
132 | // | |
133 | TClonesArray *particles = gAlice->Particles(); | |
134 | Int_t nparticles = particles->GetEntriesFast(); | |
135 | if (fIndex < 0 || fIndex >= nparticles) return 0; | |
1578254f | 136 | return (TParticle*)particles->UncheckedAt(fIndex); |
fe4da5cc | 137 | } |
138 | ||
139 | //_____________________________________________________________________________ | |
140 | void AliPoints::InspectParticle() | |
141 | { | |
142 | // | |
143 | // Inspect particle corresponding to this point | |
144 | // | |
1578254f | 145 | TParticle *particle = GetParticle(); |
fe4da5cc | 146 | if (particle) particle->Inspect(); |
147 | } | |
148 | ||
149 | //_____________________________________________________________________________ | |
150 | void AliPoints::Propagate() | |
151 | { | |
152 | // | |
153 | // Set attributes of all detectors to be the attributes of this point | |
154 | // | |
155 | Int_t ntracks,track; | |
156 | TObjArray *points; | |
157 | AliPoints *pm; | |
158 | // | |
159 | TIter next(gAlice->Detectors()); | |
160 | AliDetector *detector; | |
161 | while((detector = (AliDetector*)next())) { | |
162 | if (!detector->IsActive()) continue; | |
163 | points = detector->Points(); | |
164 | if (!points) continue; | |
165 | ntracks = points->GetEntriesFast(); | |
166 | for (track=0;track<ntracks;track++) { | |
167 | pm = (AliPoints*)points->UncheckedAt(track); | |
168 | if (!pm) continue; | |
169 | if (fIndex == pm->GetIndex()) { | |
170 | pm->SetMarkerColor(GetMarkerColor()); | |
171 | pm->SetMarkerSize(GetMarkerSize()); | |
172 | pm->SetMarkerStyle(GetMarkerStyle()); | |
173 | } | |
174 | } | |
175 | } | |
176 | } |