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d810d0de | 1 | // $Id$ |
2 | // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007 | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
51346b82 | 7 | * full copyright notice. * |
d810d0de | 8 | **************************************************************************/ |
16718cdc | 9 | |
1b337638 | 10 | // Import tracks from kinematics-tree / particle-stack. |
11 | // Preliminary/minimal solution. | |
12 | ||
fc9514f5 | 13 | #include "TParticlePDG.h" |
a7867742 | 14 | |
84aff7a4 | 15 | TEveTrackList* |
ef9d2241 | 16 | kine_tracks(Double_t min_pt = 0.1, Double_t min_p = 0.2, |
9a040a65 | 17 | Bool_t pdg_col = kTRUE, Bool_t recurse = kTRUE, |
18 | Bool_t use_track_refs = kTRUE) | |
1b337638 | 19 | { |
d810d0de | 20 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
1b337638 | 21 | rl->LoadKinematics(); |
22 | AliStack* stack = rl->Stack(); | |
23 | if (!stack) { | |
24 | Error("kine_tracks.C", "can not get kinematics."); | |
25 | return 0; | |
26 | } | |
27 | ||
84aff7a4 | 28 | gEve->DisableRedraw(); |
51346b82 | 29 | |
30 | TEveTrackList* cont = new TEveTrackList("Kine Tracks"); | |
32e219c2 | 31 | cont->SetMainColor(Color_t(3)); |
84aff7a4 | 32 | TEveTrackPropagator* rnrStyle = cont->GetPropagator(); |
1b337638 | 33 | // !!! Watch the '-', apparently different sign convention then for ESD. |
daaa6c4d | 34 | rnrStyle->SetMagField( -0.1*gAlice->Field()->SolenoidField() ); |
1b337638 | 35 | |
84aff7a4 | 36 | gEve->AddElement(cont); |
1b337638 | 37 | Int_t count = 0; |
43d68fc4 | 38 | Int_t N = stack->GetNtrack(); |
51346b82 | 39 | for (Int_t i=0; i<N; ++i) |
43d68fc4 | 40 | { |
51346b82 | 41 | if(stack->IsPhysicalPrimary(i)) |
43d68fc4 | 42 | { |
43 | TParticle* p = stack->Particle(i); | |
ef9d2241 | 44 | if (p->Pt() < min_pt && p->P() < min_p) continue; |
43d68fc4 | 45 | |
46 | ++count; | |
84aff7a4 | 47 | TEveTrack* track = new TEveTrack(p, i, rnrStyle); |
51346b82 | 48 | |
43d68fc4 | 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); | |
fc9514f5 | 56 | track->SetStdTitle(); |
a77bb3bc | 57 | Int_t ml = p->GetMother(0); |
58 | if (ml != -1) | |
59 | { | |
60 | track->SetTitle(Form("%s\nMother label=%d\nMother Pdg=%d", | |
61 | track->GetElementTitle(), | |
62 | ml, stack->Particle(ml)->GetPdgCode())); | |
63 | } | |
fc9514f5 | 64 | set_track_color(track, pdg_col); |
65 | ||
84aff7a4 | 66 | gEve->AddElement(track, cont); |
ef9d2241 | 67 | |
68 | if (recurse) | |
69 | kine_daughters(track, stack, min_pt, min_p, pdg_col, recurse); | |
43d68fc4 | 70 | } |
1b337638 | 71 | } |
ef9d2241 | 72 | |
43d68fc4 | 73 | // set path marks |
51346b82 | 74 | AliEveKineTools kt; |
ef9d2241 | 75 | kt.SetDaughterPathMarks(cont, stack, recurse); |
32e219c2 | 76 | if (use_track_refs && rl->LoadTrackRefs() == 0) |
9a040a65 | 77 | { |
78 | kt.SetTrackReferences(cont, rl->TreeTR(), recurse); | |
32e219c2 | 79 | rnrStyle->SetEditPathMarks(kTRUE); |
9a040a65 | 80 | } |
81 | kt.SortPathMarks(cont, recurse); | |
43d68fc4 | 82 | |
ef9d2241 | 83 | //PH const Text_t* tooltip = Form("min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); |
7be1e8cd | 84 | char tooltip[1000]; |
ef9d2241 | 85 | sprintf(tooltip,"min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count); |
1b337638 | 86 | cont->SetTitle(tooltip); // Not broadcasted automatically ... |
87 | cont->UpdateItems(); | |
88 | ||
ef9d2241 | 89 | cont->MakeTracks(recurse); |
84aff7a4 | 90 | gEve->EnableRedraw(); |
91 | gEve->Redraw3D(); | |
1b337638 | 92 | |
93 | return cont; | |
94 | } | |
a7867742 | 95 | |
84aff7a4 | 96 | void kine_daughters(TEveTrack* parent, AliStack* stack, |
ef9d2241 | 97 | Double_t min_pt, Double_t min_p, |
98 | Bool_t pdg_col, Bool_t recurse) | |
99 | { | |
100 | TParticle *p = stack->Particle(parent->GetLabel()); | |
51346b82 | 101 | if (p->GetNDaughters() > 0) |
ef9d2241 | 102 | { |
84aff7a4 | 103 | TEveTrackPropagator* rs = parent->GetPropagator(); |
51346b82 | 104 | for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d) |
105 | { | |
ef9d2241 | 106 | TParticle* dp = stack->Particle(d); |
107 | if (dp->Pt() < min_pt && dp->P() < min_p) continue; | |
108 | ||
51346b82 | 109 | TEveTrack* dtrack = new TEveTrack(dp, d, rs); |
ef9d2241 | 110 | char form[1000]; |
111 | sprintf(form,"%s [%d]", dp->GetName(), d); | |
112 | dtrack->SetName(form); | |
fc9514f5 | 113 | dtrack->SetStdTitle(); |
114 | set_track_color(dtrack, pdg_col); | |
115 | ||
84aff7a4 | 116 | gEve->AddElement(dtrack, parent); |
ef9d2241 | 117 | |
118 | if (recurse) | |
119 | kine_daughters(dtrack, stack, min_pt, min_p, pdg_col, recurse); | |
120 | } | |
121 | } | |
122 | } | |
a7867742 | 123 | |
84aff7a4 | 124 | Color_t set_track_color(TEveTrack* t, Bool_t pdg_col) |
fc9514f5 | 125 | { |
126 | if (pdg_col) | |
127 | t->SetMainColor(get_pdg_color(t->GetPdg())); | |
128 | else | |
129 | t->SetMainColor((Color_t)30); | |
130 | } | |
131 | ||
539d6798 | 132 | Color_t get_pdg_color(Int_t pdg) |
133 | { | |
fc9514f5 | 134 | // PDG color indices |
135 | static const Color_t DefCol = 30; | |
136 | static const Color_t ECol = 5; | |
137 | static const Color_t MuCol = 6; | |
51346b82 | 138 | static const Color_t GammaCol = 7; |
fc9514f5 | 139 | static const Color_t MesCol1 = 3; |
140 | static const Color_t MesCol2 = 38; | |
141 | static const Color_t BarCol = 10; | |
142 | ||
143 | Int_t pdga = TMath::Abs(pdg); | |
144 | Color_t col = DefCol; | |
a7867742 | 145 | |
146 | // elementary particles | |
147 | if (pdga < 100) { | |
148 | switch (pdga) { | |
51346b82 | 149 | case 11: |
150 | col = ECol; break; | |
a7867742 | 151 | case 12: |
152 | col = MuCol; break; | |
153 | case 22: | |
154 | col = GammaCol; break; | |
155 | } | |
156 | } | |
fc9514f5 | 157 | // mesons and barions |
158 | else if (pdga < 100000) { | |
a7867742 | 159 | Int_t i = pdga; |
160 | Int_t i0 = i%10; i /= 10; | |
51346b82 | 161 | Int_t i1 = i%10; i /= 10; |
162 | Int_t i2 = i%10; i /= 10; | |
163 | Int_t i3 = i%10; i /= 10; | |
a7867742 | 164 | Int_t i4 = i%10; |
165 | //printf("pdg(%d) quark indices (%d,%d,%d,%d,%d) \n",pdg, i4,i3,i2, i1, i0); | |
166 | // meson | |
167 | if ((i3 == 0) && ( i4 < 2)){ | |
168 | col = MesCol1; // quarks: i1,i2 (spin = i0) | |
169 | if(i1 == 3 || i2 == 3) | |
170 | col = MesCol2; | |
171 | } // barion | |
172 | else if ( i2 >= i1 && i3 >= i2 ) { | |
173 | col = BarCol; // quarks: i1,i2, i3 (spin = i0)) | |
174 | } | |
175 | } | |
fc9514f5 | 176 | |
a7867742 | 177 | return col; |
178 | } | |
c7b57c0b | 179 | |
fc9514f5 | 180 | /******************************************************************************/ |
c7b57c0b | 181 | |
84aff7a4 | 182 | TEveElement* |
b65b3044 | 183 | kine_track(Int_t label, |
fc9514f5 | 184 | Bool_t import_mother = kTRUE, Bool_t import_daughters = kTRUE, |
185 | Bool_t pdg_col = kTRUE, Bool_t recurse = kTRUE, | |
84aff7a4 | 186 | TEveElement* cont = 0) |
2caed564 | 187 | |
c7b57c0b | 188 | { |
fc9514f5 | 189 | // Create mother and daughters tracks with given label. |
190 | // mother -> particle with label | |
191 | // daughters -> daughters of label | |
192 | ||
c7b57c0b | 193 | if (label < 0) { |
194 | Warning("kine_track", "label not set."); | |
195 | return 0; | |
196 | } | |
51346b82 | 197 | |
d810d0de | 198 | AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); |
c7b57c0b | 199 | rl->LoadKinematics(); |
200 | AliStack* stack = rl->Stack(); | |
f1b2cd0b | 201 | if (label >= stack->GetNtrack()) |
202 | { | |
203 | Warning("kine_track", "label out of range."); | |
204 | return 0; | |
205 | } | |
206 | ||
c7b57c0b | 207 | TParticle* p = stack->Particle(label); |
208 | ||
b65b3044 | 209 | if (import_mother || (import_daughters && p->GetNDaughters())) |
c7b57c0b | 210 | { |
84aff7a4 | 211 | TEveTrack* toptrack = 0; |
51346b82 | 212 | TEveTrackList* tracklist = 0; |
84aff7a4 | 213 | TEveTrackPropagator* rs = 0; |
2caed564 | 214 | |
b65b3044 | 215 | if (cont == 0) |
216 | { | |
84aff7a4 | 217 | TEveTrackList* tlist = new TEveTrackList |
ef9d2241 | 218 | (Form("Kinematics of %d", label, p->GetNDaughters())); |
219 | cont = tlist; | |
c7b57c0b | 220 | |
84aff7a4 | 221 | TEveTrackPropagator* rnrStyle = tlist->GetPropagator(); |
c7b57c0b | 222 | // !!! Watch the '-', apparently different sign convention then for ESD. |
daaa6c4d | 223 | rnrStyle->SetMagField( -0.1*gAlice->Field()->SolenoidField() ); |
c7b57c0b | 224 | char tooltip[1000]; |
b65b3044 | 225 | sprintf(tooltip,"Ndaughters=%d", p->GetNDaughters()); |
ef9d2241 | 226 | tlist->SetTitle(tooltip); |
fc9514f5 | 227 | rnrStyle->fMaxOrbs = 2; |
32e219c2 | 228 | rnrStyle->SetEditPathMarks(kTRUE); |
fc9514f5 | 229 | |
84aff7a4 | 230 | gEve->AddElement(cont); |
231 | rs = tlist->GetPropagator(); | |
2caed564 | 232 | } |
ef9d2241 | 233 | else |
234 | { | |
84aff7a4 | 235 | // check if container is TEveTrackList or TEveTrack (has rnr-style) |
236 | TEveTrack* t = dynamic_cast<TEveTrack*>(cont); | |
fc9514f5 | 237 | if (t) { |
84aff7a4 | 238 | rs = t->GetPropagator(); |
fc9514f5 | 239 | } else { |
84aff7a4 | 240 | TEveTrackList* l = dynamic_cast<TEveTrackList*>(cont); |
fc9514f5 | 241 | if (l) |
84aff7a4 | 242 | rs = l->GetPropagator(); |
ef9d2241 | 243 | else |
2caed564 | 244 | Error("kine_tracks.C", "TrackRenderStyle not set."); |
2caed564 | 245 | } |
c7b57c0b | 246 | } |
2caed564 | 247 | |
b65b3044 | 248 | if (import_mother) |
249 | { | |
51346b82 | 250 | TEveTrack* track = new TEveTrack(p, label, rs); |
c7b57c0b | 251 | char form[1000]; |
252 | sprintf(form,"%s [%d]", p->GetName(), label); | |
253 | track->SetName(form); | |
fc9514f5 | 254 | track->SetStdTitle(); |
255 | set_track_color(track, pdg_col); | |
2caed564 | 256 | |
fc9514f5 | 257 | track->MakeTrack(); |
84aff7a4 | 258 | gEve->AddElement(track, cont); |
fc9514f5 | 259 | cont = track; |
c7b57c0b | 260 | } |
261 | ||
51346b82 | 262 | if (import_daughters && p->GetNDaughters()) |
c7b57c0b | 263 | { |
51346b82 | 264 | for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d) |
265 | { | |
c7b57c0b | 266 | TParticle* dp = stack->Particle(d); |
51346b82 | 267 | TEveTrack* track = new TEveTrack(dp, d, rs); |
c7b57c0b | 268 | char form[1000]; |
269 | sprintf(form,"%s [%d]", dp->GetName(), d); | |
270 | track->SetName(form); | |
fc9514f5 | 271 | track->SetStdTitle(); |
272 | set_track_color(track, pdg_col); | |
273 | ||
2caed564 | 274 | track->MakeTrack(); |
84aff7a4 | 275 | gEve->AddElement(track, cont); |
fc9514f5 | 276 | |
277 | if (recurse) | |
278 | kine_daughters(track, stack, 0, 0, pdg_col, recurse); | |
c7b57c0b | 279 | } |
280 | } | |
281 | } | |
282 | ||
2caed564 | 283 | cont->UpdateItems(); |
84aff7a4 | 284 | gEve->Redraw3D(); |
c7b57c0b | 285 | return cont; |
286 | } | |
2caed564 | 287 |