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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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | #include <Riostream.h> | |
19 | #include <stdlib.h> | |
20 | ||
21 | #include <TDirectory.h> | |
22 | #include <TVirtualMC.h> | |
23 | ||
24 | #include "AliRun.h" | |
25 | #include "AliSTART.h" | |
26 | #include "AliSTARTdigit.h" | |
27 | #include "AliSTARThit.h" | |
28 | #include "AliSTARTvertex.h" | |
29 | ||
30 | ClassImp(AliSTARTvertex) | |
31 | ||
32 | AliSTARTvertex::AliSTARTvertex( Int_t * Zposit) | |
33 | { | |
34 | // | |
35 | // The creator for the AliSTARTvertex class. This routine fills the | |
36 | // AliSTARTvertex data members from the array vertex. | |
37 | // The order of the elements in the vertex array are | |
38 | // fZposition = vertex[0], | |
39 | // | |
40 | ||
41 | Zposit = &fZposition ; | |
42 | } | |
43 | ||
44 | void AliSTARTvertex::Reconstruct() | |
45 | { | |
46 | /*************************************************** | |
47 | Resonstruct digits to vertex position | |
48 | ****************************************************/ | |
49 | ||
50 | Int_t timediff; | |
51 | Float_t timePs; | |
52 | char nameTD[8],nameTR[8]; | |
53 | char filename[100]; | |
54 | sprintf(filename,"galice.root"); | |
55 | AliRunLoader* rl = AliRunLoader::Open("galice.root",AliConfig::fgkDefaultEventFolderName,"read"); | |
56 | if (rl == 0x0) | |
57 | { | |
58 | cerr<<"Can not open session for file galice.root\n"; | |
59 | return; | |
60 | } | |
61 | ||
62 | rl->LoadgAlice(); | |
63 | gAlice = rl->GetAliRun(); | |
64 | ||
65 | AliSTART* START = (AliSTART *)gAlice->GetDetector("START"); | |
66 | ||
67 | rl->LoadHeader(); | |
68 | rl->LoadKinematics("READ"); | |
69 | Int_t retval; | |
70 | AliLoader* lstart = rl->GetLoader("STARTLoader"); | |
71 | lstart->LoadDigits("READ"); | |
72 | ||
73 | AliSTARTdigit *digits; | |
74 | AliSTARTvertex *fvertex; | |
75 | ||
76 | digits = new AliSTARTdigit(); | |
77 | fvertex = new AliSTARTvertex(); | |
78 | ||
79 | // Event ------------------------- LOOP | |
80 | ||
81 | // gAlice->GetEvent(evNumber); | |
82 | Int_t iNevents=rl->GetNumberOfEvents(); | |
83 | cout<<" nevents "<<iNevents<<endl; | |
84 | ||
85 | for (Int_t evNumber=0; evNumber<iNevents; evNumber++){ | |
86 | rl->GetEvent(evNumber); | |
87 | lstart->LoadDigits("READ"); | |
88 | gDirectory->ls(); | |
89 | ||
90 | sprintf(nameTD,"START_D_%d",evNumber); | |
91 | TObject *td = (TObject*)gDirectory->Get(nameTD); | |
92 | printf("%s\n",nameTD); | |
93 | // td->Dump(); | |
94 | if (!td) { | |
95 | cerr<<"something wrong with input...."<<endl; | |
96 | exit(111); | |
97 | } | |
98 | td->Read(nameTD); | |
99 | digits->Read(nameTD); | |
100 | if(digits->GetTimeDiff()<TMath::Abs(1000)) | |
101 | { | |
102 | timediff=digits->GetTimeDiff(); //time in number of channels | |
103 | timePs=(512-timediff)*2.5; // time in Ps channel_width =10ps | |
104 | cout<<"timediff "<< timediff<<" timePs "<<timePs<<endl; | |
105 | // Float_t c = 299792458/1.e9; //speed of light cm/ps | |
106 | Float_t c = 0.3; //speed of light mm/ps | |
107 | Float_t Zposit=timePs*c;// for 0 vertex | |
108 | cout<<" Zposit "<<Zposit<<endl; | |
109 | fvertex->Set((Int_t) Zposit); | |
110 | } | |
111 | lstart->LoadRecPoints("UPDATE"); | |
112 | sprintf(nameTR,"START_R_%d",evNumber); | |
113 | printf("%s\n",nameTR); | |
114 | fvertex->Write(nameTR); | |
115 | ||
116 | ||
117 | } | |
118 | } | |
119 | ||
120 | ||
121 | ||
122 | ||
123 | ||
124 |