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d3da6dc4 | 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 | #include "AliHMPIDParam.h" //class header | |
16 | #include "AliHMPIDDigit.h" //ctor | |
17 | #include <TCanvas.h> //TestXXX() | |
18 | #include <TLatex.h> //TestTrans() | |
19 | #include <TView.h> //TestTrans() | |
20 | #include <TPolyMarker3D.h> //TestTrans() | |
21 | #include <TRotation.h> | |
22 | #include <AliRunLoader.h> //Stack() | |
23 | #include <AliStack.h> //Stack() | |
24 | #include <TParticle.h> //Stack() | |
25 | #include "AliHMPIDHelix.h" //TestTrans() | |
26 | ||
27 | ClassImp(AliHMPIDParam) | |
28 | ||
29 | AliHMPIDParam* AliHMPIDParam::fgInstance=0x0; //singleton pointer | |
30 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
31 | AliHMPIDParam::AliHMPIDParam():TNamed("RichParam","default version") | |
32 | { | |
33 | // Here all the intitializition is taken place when AliHMPIDParam::Instance() is invoked for the first time. | |
34 | // In particulare, matrices to be used for LORS<->MARS trasnformations are initialized from TGeo structure. | |
35 | // Note that TGeoManager should be already initialized from geometry.root file | |
36 | fX=0.5*AliHMPIDDigit::SizeAllX(); | |
37 | fY=0.5*AliHMPIDDigit::SizeAllY(); | |
38 | for(Int_t i=0;i<7;i++) fM[i]=(TGeoHMatrix*)gGeoManager->GetVolume("ALIC")->GetNode(Form("HMPID_%i",i))->GetMatrix(); | |
39 | fgInstance=this; | |
40 | }//ctor | |
41 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
42 | void AliHMPIDParam::Print(Option_t* opt) const | |
43 | { | |
44 | // print some usefull (hopefully) info on some internal guts of HMPID parametrisation | |
45 | ||
46 | for(Int_t i=0;i<7;i++) fM[i]->Print(opt); | |
47 | }//Print() | |
48 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
49 | Int_t AliHMPIDParam::Stack(Int_t evt,Int_t tid) | |
50 | { | |
51 | // Prints some usefull info from stack | |
52 | // Arguments: evt - event number. if not -1 print info only for that event | |
53 | // tid - track id. if not -1 then print it and all it's mothers if any | |
54 | // Returns: mother tid of the given tid if any | |
55 | AliRunLoader *pAL=AliRunLoader::Open(); | |
56 | if(pAL->LoadHeader()) return -1; | |
57 | if(pAL->LoadKinematics()) return -1; | |
58 | ||
59 | Int_t mtid=-1; | |
cf7e313e | 60 | Int_t iNevt=pAL->GetNumberOfEvents(); |
d3da6dc4 | 61 | |
62 | for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop | |
63 | if(evt!=-1 && evt!=iEvt) continue; //in case one needs to print the requested event, ignore all others | |
64 | pAL->GetEvent(iEvt); | |
65 | AliStack *pStack=pAL->Stack(); | |
66 | if(tid==-1){ //print all tids for this event | |
67 | for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print(); | |
68 | Printf("totally %i tracks including %i primaries for event %i out of %i event(s)",pStack->GetNtrack(),pStack->GetNprimary(),iEvt,iNevt); | |
69 | }else{ //print only this tid and it;s mothers | |
70 | if(tid<0 || tid>pStack->GetNtrack()) {Printf("Wrong tid, valid tid range for event %i is 0-%i",iEvt,pStack->GetNtrack());break;} | |
71 | TParticle *pTrack=pStack->Particle(tid); mtid=pTrack->GetFirstMother(); | |
72 | TString str=pTrack->GetName(); | |
73 | while((tid=pTrack->GetFirstMother()) >= 0){ | |
74 | pTrack=pStack->Particle(tid); | |
75 | str+=" from ";str+=pTrack->GetName(); | |
76 | } | |
d3da6dc4 | 77 | }//if(tid==-1) |
78 | }//events loop | |
79 | pAL->UnloadHeader(); pAL->UnloadKinematics(); | |
80 | return mtid; | |
81 | } | |
82 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
83 | Int_t AliHMPIDParam::StackCount(Int_t pid,Int_t evt) | |
84 | { | |
85 | // Counts total number of particles of given sort (including secondary) for a given event | |
86 | AliRunLoader *pAL=AliRunLoader::Open(); | |
87 | pAL->GetEvent(evt); | |
88 | if(pAL->LoadHeader()) return 0; | |
89 | if(pAL->LoadKinematics()) return 0; | |
90 | AliStack *pStack=pAL->Stack(); | |
91 | ||
92 | Int_t iCnt=0; | |
93 | for(Int_t i=0;i<pStack->GetNtrack();i++) if(pStack->Particle(i)->GetPdgCode()==pid) iCnt++; | |
94 | ||
95 | pAL->UnloadHeader(); pAL->UnloadKinematics(); | |
96 | return iCnt; | |
97 | } | |
98 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |