AliITSOnlineSPDscan and AliITSOnlineSPDscanInfo: Changes in calibration header format...
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDParam.cxx
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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()
97eadc2b 25#include <TGeoPhysicalNode.h> //ctor
d3da6dc4 26
27ClassImp(AliHMPIDParam)
28
29AliHMPIDParam* AliHMPIDParam::fgInstance=0x0; //singleton pointer
30//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2df6b16e 31AliHMPIDParam::AliHMPIDParam():TNamed("HmpidParam","default version")
d3da6dc4 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();
97eadc2b 38 for(Int_t i=AliHMPIDDigit::kMinCh;i<=AliHMPIDDigit::kMaxCh;i++)
39 if(gGeoManager && gGeoManager->IsClosed()) {
40// fM[i]=(TGeoHMatrix*)gGeoManager->GetVolume("ALIC")->GetNode(Form("HMPID_%i",i))->GetMatrix(); // previous style
2df6b16e 41 TGeoPNEntry* pne = gGeoManager->GetAlignableEntry(Form("/HMPID/Chamber%i",i));
97eadc2b 42 if (!pne) {
43 AliErrorClass(Form("The symbolic volume %s does not correspond to any physical entry!",Form("HMPID_%i",i)));
44 fM[i]=new TGeoHMatrix;
45 IdealPosition(i,fM[i]);
46 } else {
47 TGeoPhysicalNode *pnode = pne->GetPhysicalNode();
48 fM[i]=pnode->GetMatrix();
49 }
50 } else{
1d4857c5 51 fM[i]=new TGeoHMatrix;
52 IdealPosition(i,fM[i]);
53 }
d3da6dc4 54 fgInstance=this;
55}//ctor
56//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
57void AliHMPIDParam::Print(Option_t* opt) const
58{
59// print some usefull (hopefully) info on some internal guts of HMPID parametrisation
60
61 for(Int_t i=0;i<7;i++) fM[i]->Print(opt);
62}//Print()
63//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1d4857c5 64void AliHMPIDParam::IdealPosition(Int_t iCh, TGeoHMatrix *pMatrix)
65{
66// Construct ideal position matrix for a given chamber
67// Arguments: iCh- chamber ID; pMatrix- pointer to precreated unity matrix where to store the results
68// Returns: none
69 const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad
70 const Double_t kAngVer=20; // vertical angle between chambers 20 grad
71 const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad
72 const Double_t trans[3]={490,0,0}; //center of the chamber is on window-gap surface
73 pMatrix->RotateY(90); //rotate around y since initial position is in XY plane -> now in YZ plane
74 pMatrix->SetTranslation(trans); //now plane in YZ is shifted along x
75 switch(iCh){
76 case 0: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down
77 case 1: pMatrix->RotateZ(-kAngVer); break; //down
78 case 2: pMatrix->RotateY(kAngHor); break; //right
79 case 3: break; //no rotation
80 case 4: pMatrix->RotateY(-kAngHor); break; //left
81 case 5: pMatrix->RotateZ(kAngVer); break; //up
82 case 6: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up
83 }
84 pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane
85
86}
87//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 88Int_t AliHMPIDParam::Stack(Int_t evt,Int_t tid)
89{
d1bf51e1 90// Prints some useful info from stack
d3da6dc4 91// Arguments: evt - event number. if not -1 print info only for that event
92// tid - track id. if not -1 then print it and all it's mothers if any
93// Returns: mother tid of the given tid if any
94 AliRunLoader *pAL=AliRunLoader::Open();
95 if(pAL->LoadHeader()) return -1;
96 if(pAL->LoadKinematics()) return -1;
97
98 Int_t mtid=-1;
cf7e313e 99 Int_t iNevt=pAL->GetNumberOfEvents();
d3da6dc4 100
101 for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
102 if(evt!=-1 && evt!=iEvt) continue; //in case one needs to print the requested event, ignore all others
103 pAL->GetEvent(iEvt);
104 AliStack *pStack=pAL->Stack();
105 if(tid==-1){ //print all tids for this event
106 for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print();
107 Printf("totally %i tracks including %i primaries for event %i out of %i event(s)",pStack->GetNtrack(),pStack->GetNprimary(),iEvt,iNevt);
108 }else{ //print only this tid and it;s mothers
109 if(tid<0 || tid>pStack->GetNtrack()) {Printf("Wrong tid, valid tid range for event %i is 0-%i",iEvt,pStack->GetNtrack());break;}
110 TParticle *pTrack=pStack->Particle(tid); mtid=pTrack->GetFirstMother();
111 TString str=pTrack->GetName();
112 while((tid=pTrack->GetFirstMother()) >= 0){
113 pTrack=pStack->Particle(tid);
114 str+=" from ";str+=pTrack->GetName();
115 }
d3da6dc4 116 }//if(tid==-1)
117 }//events loop
118 pAL->UnloadHeader(); pAL->UnloadKinematics();
119 return mtid;
120}
121//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
122Int_t AliHMPIDParam::StackCount(Int_t pid,Int_t evt)
123{
124// Counts total number of particles of given sort (including secondary) for a given event
125 AliRunLoader *pAL=AliRunLoader::Open();
126 pAL->GetEvent(evt);
127 if(pAL->LoadHeader()) return 0;
128 if(pAL->LoadKinematics()) return 0;
129 AliStack *pStack=pAL->Stack();
130
131 Int_t iCnt=0;
132 for(Int_t i=0;i<pStack->GetNtrack();i++) if(pStack->Particle(i)->GetPdgCode()==pid) iCnt++;
133
134 pAL->UnloadHeader(); pAL->UnloadKinematics();
135 return iCnt;
136}
137//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++