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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // This class contains the points for the ALICE event display // | |
21 | // // | |
22 | //Begin_Html | |
23 | /* | |
24 | <img src="picts/AliPointsClass.gif"> | |
25 | */ | |
26 | //End_Html | |
27 | // // | |
28 | // // | |
29 | /////////////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | #include "TPad.h" | |
32 | #include "TParticle.h" | |
33 | #include "TView.h" | |
34 | ||
35 | #include "AliDetector.h" | |
36 | #include "AliMC.h" | |
37 | #include "AliPoints.h" | |
38 | #include "AliRun.h" | |
39 | ||
40 | ClassImp(AliPoints) | |
41 | ||
42 | //_______________________________________________________________________ | |
43 | AliPoints::AliPoints(): | |
44 | fDetector(0), | |
45 | fIndex(0) | |
46 | { | |
47 | // | |
48 | // Default constructor | |
49 | // | |
50 | } | |
51 | ||
52 | //_______________________________________________________________________ | |
53 | AliPoints::AliPoints(const AliPoints &pts): | |
54 | TPolyMarker3D(pts), | |
55 | fDetector(0), | |
56 | fIndex(0) | |
57 | { | |
58 | // | |
59 | // Copy constructor | |
60 | // | |
61 | pts.Copy(*this); | |
62 | } | |
63 | ||
64 | //_______________________________________________________________________ | |
65 | AliPoints::AliPoints(Int_t nhits): | |
66 | TPolyMarker3D(nhits), | |
67 | fDetector(0), | |
68 | fIndex(0) | |
69 | { | |
70 | // | |
71 | // Standard constructor | |
72 | // | |
73 | ResetBit(kCanDelete); | |
74 | } | |
75 | ||
76 | //_______________________________________________________________________ | |
77 | AliPoints::~AliPoints() | |
78 | { | |
79 | // | |
80 | // Default destructor | |
81 | // | |
82 | } | |
83 | ||
84 | //_______________________________________________________________________ | |
85 | void AliPoints::Copy(TObject &pts) const | |
86 | { | |
87 | // | |
88 | // Copy *this onto pts | |
89 | // | |
90 | if((TObject*)this != &pts) { | |
91 | ((TPolyMarker3D*)this)->Copy(dynamic_cast<TPolyMarker3D&>(pts)); | |
92 | (dynamic_cast<AliPoints&>(pts)).fGLList = fGLList; | |
93 | (dynamic_cast<AliPoints&>(pts)).fLastPoint = fLastPoint; | |
94 | (dynamic_cast<AliPoints&>(pts)).fDetector = fDetector; | |
95 | (dynamic_cast<AliPoints&>(pts)).fIndex = fIndex; | |
96 | } | |
97 | } | |
98 | ||
99 | //_______________________________________________________________________ | |
100 | Int_t AliPoints::DistancetoPrimitive(Int_t px, Int_t py) | |
101 | { | |
102 | // | |
103 | //*-*-*-*-*-*-*Compute distance from point px,py to a 3-D polymarker*-*-*-*-* | |
104 | //*-* ===================================================== | |
105 | //*-* | |
106 | //*-* Compute the closest distance of approach from point | |
107 | //*-* px,py to each segment | |
108 | //*-* of the polyline. | |
109 | //*-* Returns when the distance found is below DistanceMaximum. | |
110 | //*-* The distance is computed in pixels units. | |
111 | //*-* | |
112 | //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* | |
113 | ||
114 | //const Int_t inaxis = 7; | |
115 | //Int_t dist = 9999; | |
116 | return TPolyMarker3D::DistancetoPrimitive(px,py); | |
117 | } | |
118 | ||
119 | //_______________________________________________________________________ | |
120 | void AliPoints::DumpParticle() const | |
121 | { | |
122 | // | |
123 | // Dump particle corresponding to this point | |
124 | // | |
125 | TParticle *particle = GetParticle(); | |
126 | if (particle) particle->Dump(); | |
127 | } | |
128 | ||
129 | //_______________________________________________________________________ | |
130 | void AliPoints::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
131 | { | |
132 | // | |
133 | //*-*-*-*-*-*-*-*-*-*Execute action corresponding to one event*-*-*-*-*-*-*-* | |
134 | //*-* ========================================= | |
135 | //*-* | |
136 | //*-* This member function must be implemented to realize the action | |
137 | //*-* corresponding to the mouse click on the object in the window | |
138 | //*-* | |
139 | //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* | |
140 | ||
141 | gPad->SetCursor(kCross); | |
142 | ||
143 | if (gPad->GetView()) | |
144 | gPad->GetView()->ExecuteRotateView(event, px, py); | |
145 | ||
146 | } | |
147 | ||
148 | //_______________________________________________________________________ | |
149 | const Text_t *AliPoints::GetName() const | |
150 | { | |
151 | // | |
152 | // Return name of the Geant3 particle corresponding to this point | |
153 | // | |
154 | TParticle *particle = GetParticle(); | |
155 | if (!particle) return "Particle"; | |
156 | return particle->GetName(); | |
157 | } | |
158 | ||
159 | //_______________________________________________________________________ | |
160 | Text_t *AliPoints::GetObjectInfo(Int_t, Int_t) const | |
161 | { | |
162 | // | |
163 | // Redefines TObject::GetObjectInfo. | |
164 | // Displays the info (particle,etc | |
165 | // corresponding to cursor position px,py | |
166 | // | |
167 | static char info[64]; | |
168 | sprintf(info,"%s %d",GetName(),fIndex); | |
169 | return info; | |
170 | } | |
171 | ||
172 | //_______________________________________________________________________ | |
173 | TParticle *AliPoints::GetParticle() const | |
174 | { | |
175 | // | |
176 | // Returns pointer to particle index in AliRun::fParticles | |
177 | // | |
178 | if (fIndex < 0 || fIndex >= gAlice->GetMCApp()->GetNtrack()) return 0; | |
179 | else return gAlice->GetMCApp()->Particle(fIndex); | |
180 | } | |
181 | ||
182 | //_______________________________________________________________________ | |
183 | void AliPoints::InspectParticle() const | |
184 | { | |
185 | // | |
186 | // Inspect particle corresponding to this point | |
187 | // | |
188 | TParticle *particle = GetParticle(); | |
189 | if (particle) particle->Inspect(); | |
190 | } | |
191 | ||
192 | //_______________________________________________________________________ | |
193 | void AliPoints::Propagate() | |
194 | { | |
195 | // | |
196 | // Set attributes of all detectors to be the attributes of this point | |
197 | // | |
198 | Int_t ntracks,track; | |
199 | TObjArray *points; | |
200 | AliPoints *pm; | |
201 | // | |
202 | TIter next(gAlice->Detectors()); | |
203 | AliDetector *detector; | |
204 | while((detector = (AliDetector*)(next()))) { | |
205 | if (!detector->IsActive()) continue; | |
206 | points = detector->Points(); | |
207 | if (!points) continue; | |
208 | ntracks = points->GetEntriesFast(); | |
209 | for (track=0;track<ntracks;track++) { | |
210 | pm = dynamic_cast<AliPoints*>(points->UncheckedAt(track)); | |
211 | if (!pm) continue; | |
212 | if (fIndex == pm->GetIndex()) { | |
213 | pm->SetMarkerColor(GetMarkerColor()); | |
214 | pm->SetMarkerSize(GetMarkerSize()); | |
215 | pm->SetMarkerStyle(GetMarkerStyle()); | |
216 | } | |
217 | } | |
218 | } | |
219 | } |