1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
17 Revision 1.11 2002/10/22 15:40:19 alibrary
18 Introducing Riostream.h
20 Revision 1.10 2002/10/14 14:57:32 hristov
21 Merging the VirtualMC branch to the main development branch (HEAD)
23 Revision 1.6.6.2 2002/07/24 09:50:10 alibrary
26 Revision 1.9 2002/07/23 11:48:05 alla
29 Revision 1.8 2002/04/16 10:52:41 hristov
30 Wrong usage of exit() corrected (Sun)
32 Revision 1.7 2002/04/15 08:04:01 alla
33 Digits and reconstruction with TObject
35 Revision 1.6 2001/10/19 05:29:38 alla
38 Revision 1.5 2001/07/27 13:03:12 hristov
39 Default Branch split level set to 99
41 Revision 1.4 2000/12/22 16:17:15 hristov
42 Updated START code from Alla
44 Revision 1.3 2000/10/02 21:28:13 fca
45 Removal of useless dependecies via forward declarations
47 Revision 1.2 2000/07/13 16:41:29 fca
48 New START corrected for coding conventions
50 Revision 1.1 2000/03/24 17:46:58 alla
55 #include "AliSTARTvertex.h"
56 #include "AliSTARTdigit.h"
57 #include "AliSTARThit.h"
62 #include "TDirectory.h"
64 #include <Riostream.h>
65 #include <Riostream.h>
67 ClassImp(AliSTARTvertex)
69 AliSTARTvertex::AliSTARTvertex( Int_t * Zposit)
72 // The creator for the AliSTARTvertex class. This routine fills the
73 // AliSTARTvertex data members from the array vertex.
74 // The order of the elements in the vertex array are
75 // fZposition = vertex[0],
78 Zposit = &fZposition ;
81 void AliSTARTvertex::Reconstruct(Int_t evNumber=1)
83 /***************************************************
84 Resonstruct digits to vertex position
85 ****************************************************/
89 char nameTD[8],nameTR[8];
91 AliSTARTdigit *digits;
92 AliSTARTvertex *fvertex;
94 digits = new AliSTARTdigit();
95 fvertex = new AliSTARTvertex();
97 // Event ------------------------- LOOP
99 // gAlice->GetEvent(evNumber);
101 sprintf(nameTD,"START_D_%d",evNumber);
102 TObject *td = (TObject*)gDirectory->Get(nameTD);
103 printf("%s\n",nameTD);
106 cerr<<"something wrong with output...."<<endl;
110 digits->Read(nameTD);
111 if(digits->GetTimeDiff()<TMath::Abs(1000))
113 timediff=digits->GetTimeDiff(); //time in number of channels
114 timePs=(512-timediff)*2.5; // time in Ps channel_width =10ps
115 cout<<"timediff "<< timediff<<" timePs "<<timePs<<endl;
116 // Float_t c = 299792458/1.e9; //speed of light cm/ps
117 Float_t c = 0.3; //speed of light mm/ps
118 Float_t Zposit=timePs*c;// for 0 vertex
119 cout<<" Zposit "<<Zposit<<endl;
120 fvertex->Set((Int_t) Zposit);
123 TTree *outTreeR = gAlice->TreeR();
125 cerr<<"something wrong with output...."<<endl;
129 sprintf(nameTR,"START_R_%d",evNumber);
130 printf("%s\n",nameTR);
131 // TDirectory *wd = gDirectory;
132 // outTreeR->GetDirectory()->cd();
133 fvertex->Write(nameTR);