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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 | $Log$ | |
17 | Revision 1.6.6.2 2002/07/24 09:50:10 alibrary | |
18 | Updating VirtualMC | |
19 | ||
20 | Revision 1.9 2002/07/23 11:48:05 alla | |
21 | new Digits structure | |
22 | ||
23 | Revision 1.8 2002/04/16 10:52:41 hristov | |
24 | Wrong usage of exit() corrected (Sun) | |
25 | ||
26 | Revision 1.7 2002/04/15 08:04:01 alla | |
27 | Digits and reconstruction with TObject | |
28 | ||
29 | Revision 1.6 2001/10/19 05:29:38 alla | |
30 | bug in meduim fixed | |
31 | ||
32 | Revision 1.5 2001/07/27 13:03:12 hristov | |
33 | Default Branch split level set to 99 | |
34 | ||
35 | Revision 1.4 2000/12/22 16:17:15 hristov | |
36 | Updated START code from Alla | |
37 | ||
38 | Revision 1.3 2000/10/02 21:28:13 fca | |
39 | Removal of useless dependecies via forward declarations | |
40 | ||
41 | Revision 1.2 2000/07/13 16:41:29 fca | |
42 | New START corrected for coding conventions | |
43 | ||
44 | Revision 1.1 2000/03/24 17:46:58 alla | |
45 | Vertex reconstruction | |
46 | ||
47 | */ | |
48 | #include "TObject.h" | |
49 | #include "AliSTARTvertex.h" | |
50 | #include "AliSTARTdigit.h" | |
51 | #include "AliSTARThit.h" | |
52 | #include "AliSTART.h" | |
53 | #include "AliRun.h" | |
54 | #include "AliMC.h" | |
55 | ||
56 | //#include "TTree.h" | |
57 | #include "TDirectory.h" | |
58 | #include <stdlib.h> | |
59 | #include <iostream.h> | |
60 | #include <fstream.h> | |
61 | ||
62 | ClassImp(AliSTARTvertex) | |
63 | ||
64 | AliSTARTvertex::AliSTARTvertex( Int_t * Zposit) | |
65 | { | |
66 | // | |
67 | // The creator for the AliSTARTvertex class. This routine fills the | |
68 | // AliSTARTvertex data members from the array vertex. | |
69 | // The order of the elements in the vertex array are | |
70 | // fZposition = vertex[0], | |
71 | // | |
72 | ||
73 | Zposit = &fZposition ; | |
74 | } | |
75 | ||
76 | void AliSTARTvertex::Reconstruct(Int_t evNumber=1) | |
77 | { | |
78 | /*************************************************** | |
79 | Resonstruct digits to vertex position | |
80 | ****************************************************/ | |
81 | ||
82 | Int_t timediff; | |
83 | Float_t timePs; | |
84 | char nameTD[8],nameTR[8]; | |
85 | ||
86 | AliSTARTdigit *digits; | |
87 | AliSTARTvertex *fvertex; | |
88 | ||
89 | digits = new AliSTARTdigit(); | |
90 | fvertex = new AliSTARTvertex(); | |
91 | ||
92 | // Event ------------------------- LOOP | |
93 | ||
94 | // gAlice->GetEvent(evNumber); | |
95 | ||
96 | sprintf(nameTD,"START_D_%d",evNumber); | |
97 | TObject *td = (TObject*)gDirectory->Get(nameTD); | |
98 | printf("%s\n",nameTD); | |
99 | ||
100 | if (!td) { | |
101 | cerr<<"something wrong with output...."<<endl; | |
102 | exit(111); | |
103 | } | |
104 | td->Read(nameTD); | |
105 | digits->Read(nameTD); | |
106 | if(digits->GetTimeDiff()<TMath::Abs(1000)) | |
107 | { | |
108 | timediff=digits->GetTimeDiff(); //time in number of channels | |
109 | timePs=(512-timediff)*2.5; // time in Ps channel_width =10ps | |
110 | cout<<"timediff "<< timediff<<" timePs "<<timePs<<endl; | |
111 | // Float_t c = 299792458/1.e9; //speed of light cm/ps | |
112 | Float_t c = 0.3; //speed of light mm/ps | |
113 | Float_t Zposit=timePs*c;// for 0 vertex | |
114 | cout<<" Zposit "<<Zposit<<endl; | |
115 | fvertex->Set((Int_t) Zposit); | |
116 | } | |
117 | /* | |
118 | TTree *outTreeR = gAlice->TreeR(); | |
119 | if (!outTreeR) { | |
120 | cerr<<"something wrong with output...."<<endl; | |
121 | exit(111); | |
122 | } | |
123 | */ | |
124 | sprintf(nameTR,"START_R_%d",evNumber); | |
125 | printf("%s\n",nameTR); | |
126 | // TDirectory *wd = gDirectory; | |
127 | // outTreeR->GetDirectory()->cd(); | |
128 | fvertex->Write(nameTR); | |
129 | // wd->cd(); | |
130 | } | |
131 | ||
132 | ||
133 | ||
134 | ||
135 | ||
136 |