2 // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
4 /**************************************************************************
5 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
6 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
7 * full copyright notice. *
8 **************************************************************************/
9 // #include "EVE/Alieve/EventAlieve.h"
10 // #include "TEveManager.h"
11 // #include "AliEveCascade.h"
13 // #include "AliESD.h"
14 // #include "AliESDtrack.h"
15 // #include "AliESDcascade.h"
16 // #include "AliESDVertex.h"
18 // using namespace TEveUtil;
19 // using namespace Alieve;
23 AliEveCascade* esd_make_cas(TEveTrackPropagator* rnrStyle, AliESDVertex* primVtx,
24 AliESDcascade* cas, AliESDtrack* neg, AliESDtrack* pos,
25 AliESDtrack* bach,Int_t i) {
27 AliEveCascade* myCas = new AliEveCascade(rnrStyle);
28 myCas->SetESDIndex(i);
30 static Double_t vx,vy,vz, px,py,pz;
31 cas->GetBPxPyPz(px,py,pz);
32 myCas->SetBachP(px,py,pz);
33 cas->GetNPxPyPz(px,py,pz);
34 myCas->SetNegP(px,py,pz);
35 cas->GetPPxPyPz(px,py,pz);
36 myCas->SetPosP(px,py,pz);
38 cas->GetXYZ(vx,vy,vz); // v0 decay vertex
39 myCas->SetV0vtx(vx,vy,vz);
40 cas->GetXYZcascade(vx,vy,vz); // cascade decay vertex
41 myCas->SetCascadeVtx(vx,vy,vz);
43 Double_t primx = primVtx->GetXv(),
44 primy = primVtx->GetYv(),
45 primz = primVtx->GetZv();
47 myCas->SetCasCosPointingAngle( cas->GetCascadeCosineOfPointingAngle(primx,primy,primz) );
48 myCas->SetDecayLength(primx, primy, primz);
49 myCas->SetDCA_v0_Bach(cas->GetDcaXiDaughters());
51 Float_t p = neg->GetP(), mc = neg->GetMass();
52 Float_t betaNeg = p/TMath::Sqrt(p*p + mc*mc);
53 p = pos->GetP(); mc = pos->GetMass();
54 Float_t betaPos = p/TMath::Sqrt(p*p + mc*mc);
55 p = bach->GetP(); mc = bach->GetMass();
56 Float_t betaBach = p/TMath::Sqrt(p*p + mc*mc);
57 if (bach->GetSign()<0) betaBach = -betaBach; // sign is stored is this parameter
59 myCas->SetBeta(betaNeg, betaPos, betaBach);
67 CascadeList* esd_AliEveCascade(Double_t min_pt=0.1, Double_t max_pt=100)
69 printf("THIS SCRIPT DOES NOT WORK.\n"
70 "AliEveCascade classes have been temporarily removed.\n"
71 "They need to be cleaned up.\n");
74 AliESDEvent* esd = AliEveEventManager::AssertESD();
75 AliESDVertex* primVertex =(AliESDVertex*) esd->GetVertex();
77 CascadeList* cont = new CascadeList("ESD cascade");
78 cont->SetMainColor(Color_t(3)); // green
79 TEveTrackPropagator* rnrStyle = cont->GetPropagator();
80 rnrStyle->SetMagField( esd->GetMagneticField() );
82 gEve->AddElement(cont);
85 //for (Int_t n=0; count<3; n++) {
86 for (Int_t n=0; n<esd->GetNumberOfCascades(); n++) {
88 AliESDcascade *cas = esd->GetCascade(n);
89 Int_t negInd = cas->GetNindex();
90 Int_t posInd = cas->GetPindex();
91 Int_t bachInd = cas->GetBindex();
92 AliESDtrack* negTr = esd->GetTrack(negInd);
93 AliESDtrack* posTr = esd->GetTrack(posInd);
94 AliESDtrack* bachTr = esd->GetTrack(bachInd);
97 AliEveCascade* myCas = esd_make_cas(rnrStyle, primVertex, cas,
98 negTr, posTr, bachTr, n);
100 gEve->AddElement(myCas, cont);
106 cont->SetTitle("CascadeList");
109 cont->MakeCascades();