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Commit | Line | Data |
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1b337638 | 1 | // Import tracks from kinematics-tree / particle-stack. |
2 | // Preliminary/minimal solution. | |
a7867742 | 3 | #include "TParticlePDG.h" |
1b337638 | 4 | |
a7867742 | 5 | // PDG color indices |
539d6798 | 6 | static Color_t DefCol = 30; |
7 | static Color_t ECol = 5; | |
8 | static Color_t MuCol = 6; | |
9 | static Color_t GammaCol = 7; | |
10 | static Color_t MesCol1 = 3; | |
11 | static Color_t MesCol2 = 38; | |
12 | static Color_t BarCol = 10; | |
a7867742 | 13 | |
14 | ||
b65b3044 | 15 | Reve::TrackList* |
ef9d2241 | 16 | kine_tracks(Double_t min_pt = 0.1, Double_t min_p = 0.2, |
17 | Bool_t pdg_col = kTRUE, Bool_t recurse = kTRUE) | |
1b337638 | 18 | { |
19 | AliRunLoader* rl = Alieve::Event::AssertRunLoader(); | |
20 | rl->LoadKinematics(); | |
21 | AliStack* stack = rl->Stack(); | |
22 | if (!stack) { | |
23 | Error("kine_tracks.C", "can not get kinematics."); | |
24 | return 0; | |
25 | } | |
26 | ||
af4b8b4b | 27 | gReve->DisableRedraw(); |
28 | ||
1b337638 | 29 | Reve::TrackList* cont = new Reve::TrackList("Kine Tracks"); |
30 | cont->SetMainColor(Color_t(6)); | |
31 | Reve::TrackRnrStyle* rnrStyle = cont->GetRnrStyle(); | |
32 | rnrStyle->fColor = 8; | |
33 | // !!! Watch the '-', apparently different sign convention then for ESD. | |
32aee3cf | 34 | rnrStyle->SetMagField( - gAlice->Field()->SolenoidField() ); |
1b337638 | 35 | |
36 | gReve->AddRenderElement(cont); | |
1b337638 | 37 | Int_t count = 0; |
43d68fc4 | 38 | Int_t N = stack->GetNtrack(); |
39 | for (Int_t i=0; i<N; ++i) | |
40 | { | |
41 | if(stack->IsPhysicalPrimary(i)) | |
42 | { | |
43 | TParticle* p = stack->Particle(i); | |
ef9d2241 | 44 | if (p->Pt() < min_pt && p->P() < min_p) continue; |
43d68fc4 | 45 | |
46 | ++count; | |
47 | Reve::Track* track = new Reve::Track(p, i, rnrStyle); | |
48 | ||
49 | //PH The line below is replaced waiting for a fix in Root | |
50 | //PH which permits to use variable siza arguments in CINT | |
51 | //PH on some platforms (alphalinuxgcc, solariscc5, etc.) | |
52 | //PH track->SetName(Form("%s [%d]", p->GetName(), i)); | |
53 | char form[1000]; | |
54 | sprintf(form,"%s [%d]", p->GetName(), i); | |
55 | track->SetName(form); | |
ef9d2241 | 56 | if (pdg_col && p->GetPDG()) |
57 | track->SetMainColor(get_pdg_color(p->GetPDG()->PdgCode())); | |
43d68fc4 | 58 | gReve->AddRenderElement(cont, track); |
ef9d2241 | 59 | |
60 | if (recurse) | |
61 | kine_daughters(track, stack, min_pt, min_p, pdg_col, recurse); | |
43d68fc4 | 62 | } |
1b337638 | 63 | } |
ef9d2241 | 64 | |
43d68fc4 | 65 | // set path marks |
66 | Alieve::KineTools kt; | |
ef9d2241 | 67 | kt.SetDaughterPathMarks(cont, stack, recurse); |
43d68fc4 | 68 | rl->LoadTrackRefs(); |
ef9d2241 | 69 | kt.SetTrackReferences(cont, rl->TreeTR(), recurse); |
43d68fc4 | 70 | cont->SetEditPathMarks(kTRUE); |
71 | ||
ef9d2241 | 72 | //PH const Text_t* tooltip = Form("min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); |
7be1e8cd | 73 | char tooltip[1000]; |
ef9d2241 | 74 | sprintf(tooltip,"min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); |
1b337638 | 75 | cont->SetTitle(tooltip); // Not broadcasted automatically ... |
76 | cont->UpdateItems(); | |
77 | ||
ef9d2241 | 78 | cont->MakeTracks(recurse); |
1b337638 | 79 | cont->MakeMarkers(); |
af4b8b4b | 80 | |
81 | gReve->EnableRedraw(); | |
1b337638 | 82 | gReve->Redraw3D(); |
83 | ||
84 | return cont; | |
85 | } | |
a7867742 | 86 | |
ef9d2241 | 87 | void kine_daughters(Reve::Track* parent, AliStack* stack, |
88 | Double_t min_pt, Double_t min_p, | |
89 | Bool_t pdg_col, Bool_t recurse) | |
90 | { | |
91 | TParticle *p = stack->Particle(parent->GetLabel()); | |
92 | if (p->GetNDaughters() > 0) | |
93 | { | |
94 | Reve::TrackRnrStyle* rs = parent->GetRnrStyle(); | |
95 | for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d) | |
96 | { | |
97 | TParticle* dp = stack->Particle(d); | |
98 | if (dp->Pt() < min_pt && dp->P() < min_p) continue; | |
99 | ||
100 | Track* dtrack = new Reve::Track(dp, d, rs); | |
101 | char form[1000]; | |
102 | sprintf(form,"%s [%d]", dp->GetName(), d); | |
103 | dtrack->SetName(form); | |
104 | if (pdg_col && dp->GetPDG()) | |
105 | dtrack->SetMainColor(get_pdg_color(dp->GetPDG()->PdgCode())); | |
106 | gReve->AddRenderElement(parent, dtrack); | |
107 | ||
108 | if (recurse) | |
109 | kine_daughters(dtrack, stack, min_pt, min_p, pdg_col, recurse); | |
110 | } | |
111 | } | |
112 | } | |
a7867742 | 113 | |
539d6798 | 114 | Color_t get_pdg_color(Int_t pdg) |
115 | { | |
a7867742 | 116 | Int_t pdga = TMath::Abs(pdg); |
117 | Color_t col = Reve::DefCol; | |
118 | ||
119 | // elementary particles | |
120 | if (pdga < 100) { | |
121 | switch (pdga) { | |
122 | case 11: | |
123 | col = ECol; break; | |
124 | case 12: | |
125 | col = MuCol; break; | |
126 | case 22: | |
127 | col = GammaCol; break; | |
128 | } | |
129 | } | |
130 | else if (pdga < 100000){ | |
131 | Int_t i = pdga; | |
132 | Int_t i0 = i%10; i /= 10; | |
133 | Int_t i1 = i%10; i /= 10; | |
134 | Int_t i2 = i%10; i /= 10; | |
135 | Int_t i3 = i%10; i /= 10; | |
136 | Int_t i4 = i%10; | |
137 | //printf("pdg(%d) quark indices (%d,%d,%d,%d,%d) \n",pdg, i4,i3,i2, i1, i0); | |
138 | // meson | |
139 | if ((i3 == 0) && ( i4 < 2)){ | |
140 | col = MesCol1; // quarks: i1,i2 (spin = i0) | |
141 | if(i1 == 3 || i2 == 3) | |
142 | col = MesCol2; | |
143 | } // barion | |
144 | else if ( i2 >= i1 && i3 >= i2 ) { | |
145 | col = BarCol; // quarks: i1,i2, i3 (spin = i0)) | |
146 | } | |
147 | } | |
148 | return col; | |
149 | } | |
c7b57c0b | 150 | |
151 | ||
152 | // Create mother and daughters tracks with given label. | |
153 | ||
2caed564 | 154 | Reve::RenderElement* |
b65b3044 | 155 | kine_track(Int_t label, |
156 | Bool_t import_mother = kTRUE, | |
2caed564 | 157 | Bool_t import_daughters = kTRUE, |
539d6798 | 158 | Reve::RenderElement* cont = 0) |
2caed564 | 159 | |
c7b57c0b | 160 | { |
c7b57c0b | 161 | if (label < 0) { |
162 | Warning("kine_track", "label not set."); | |
163 | return 0; | |
164 | } | |
165 | ||
166 | AliRunLoader* rl = Alieve::Event::AssertRunLoader(); | |
167 | rl->LoadKinematics(); | |
168 | AliStack* stack = rl->Stack(); | |
169 | TParticle* p = stack->Particle(label); | |
170 | ||
b65b3044 | 171 | if (import_mother || (import_daughters && p->GetNDaughters())) |
c7b57c0b | 172 | { |
2caed564 | 173 | Track* toptrack = 0; |
174 | TrackList* tracklist = 0; | |
175 | TrackRnrStyle* rs = 0; | |
176 | ||
b65b3044 | 177 | if (cont == 0) |
178 | { | |
ef9d2241 | 179 | Reve::TrackList* tlist = new Reve::TrackList |
180 | (Form("Kinematics of %d", label, p->GetNDaughters())); | |
181 | cont = tlist; | |
c7b57c0b | 182 | |
ef9d2241 | 183 | Reve::TrackRnrStyle* rnrStyle = tlist->GetRnrStyle(); |
c7b57c0b | 184 | // !!! Watch the '-', apparently different sign convention then for ESD. |
185 | rnrStyle->SetMagField( - gAlice->Field()->SolenoidField() ); | |
186 | char tooltip[1000]; | |
b65b3044 | 187 | sprintf(tooltip,"Ndaughters=%d", p->GetNDaughters()); |
ef9d2241 | 188 | tlist->SetTitle(tooltip); |
189 | tlist->SelectByPt(0.2, 100); | |
2caed564 | 190 | rnrStyle->fColor = 8; |
191 | rnrStyle->fMaxOrbs = 8; | |
ef9d2241 | 192 | tlist->SetEditPathMarks(kTRUE); |
c7b57c0b | 193 | gReve->AddRenderElement(cont); |
ef9d2241 | 194 | rs = tlist->GetRnrStyle(); |
2caed564 | 195 | } |
ef9d2241 | 196 | else |
197 | { | |
2caed564 | 198 | // check if argument is TrackList |
199 | Reve::Track* t = dynamic_cast<Reve::Track*>(cont); | |
200 | if(t) | |
201 | { | |
202 | rs = t->GetRnrStyle(); | |
203 | } | |
ef9d2241 | 204 | else |
205 | { | |
2caed564 | 206 | Reve::TrackList* l = dynamic_cast<Reve::TrackList*>(cont); |
207 | if(l) | |
208 | { | |
209 | rs = l->GetRnrStyle(); | |
210 | } | |
ef9d2241 | 211 | else |
212 | { | |
2caed564 | 213 | Error("kine_tracks.C", "TrackRenderStyle not set."); |
214 | } | |
215 | } | |
c7b57c0b | 216 | } |
2caed564 | 217 | |
b65b3044 | 218 | if (import_mother) |
219 | { | |
2caed564 | 220 | Track* track = new Reve::Track(p, label, rs); |
c7b57c0b | 221 | char form[1000]; |
222 | sprintf(form,"%s [%d]", p->GetName(), label); | |
223 | track->SetName(form); | |
224 | gReve->AddRenderElement(cont, track); | |
2caed564 | 225 | |
c7b57c0b | 226 | } |
227 | ||
b65b3044 | 228 | if (import_daughters && p->GetNDaughters()) |
c7b57c0b | 229 | { |
230 | for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d) | |
231 | { | |
232 | TParticle* dp = stack->Particle(d); | |
2caed564 | 233 | Track* track = new Reve::Track(dp, d, rs); |
c7b57c0b | 234 | char form[1000]; |
235 | sprintf(form,"%s [%d]", dp->GetName(), d); | |
236 | track->SetName(form); | |
2caed564 | 237 | track->MakeTrack(); |
c7b57c0b | 238 | gReve->AddRenderElement(cont, track); |
239 | } | |
240 | } | |
241 | } | |
242 | ||
2caed564 | 243 | cont->UpdateItems(); |
c7b57c0b | 244 | gReve->Redraw3D(); |
245 | return cont; | |
246 | } | |
2caed564 | 247 |