]>
Commit | Line | Data |
---|---|---|
c8735dd3 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2003, 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 <Riostream.h> | |
16 | #include "AliESDVertex.h" | |
17 | #include "AliLog.h" | |
18 | #include <TString.h> | |
19 | #include "AliITSVertexerFixed.h" | |
20 | ||
21 | ///////////////////////////////////////////////////////////////////////// | |
22 | // // | |
23 | // Fixed vertexer - creates a vertex in a defined postion (x,y,z) // | |
24 | // the standard contructor takes a sting to specify the case // | |
25 | // Useful for reconstruction of injection tests with beam on TDI // | |
26 | // // | |
27 | ///////////////////////////////////////////////////////////////////////// | |
28 | ||
fe7d86eb | 29 | using std::endl; |
30 | using std::cout; | |
c8735dd3 | 31 | ClassImp(AliITSVertexerFixed) |
32 | ||
b9e83c62 | 33 | /* $Id$ */ |
c8735dd3 | 34 | |
35 | //______________________________________________________________________ | |
36 | AliITSVertexerFixed::AliITSVertexerFixed():AliITSVertexer() | |
37 | { | |
38 | // Default Constructor | |
39 | AliWarning("This contructor sets the vertex in (0,0,0)"); | |
40 | for(Int_t k=0; k<3;k++){ | |
41 | fVtxPos[k]=0.; | |
42 | fVtxErr[k]=0.5; | |
43 | } | |
44 | } | |
45 | ||
46 | //______________________________________________________________________ | |
47 | AliITSVertexerFixed::AliITSVertexerFixed(TString option):AliITSVertexer() | |
48 | { | |
49 | // Standard constructor | |
50 | if(option.Contains("TDI")){ | |
51 | fVtxPos[0]=0.; | |
52 | fVtxPos[1]=0.; | |
53 | fVtxPos[2]=8000.; // TDI at z=80 m | |
54 | fVtxErr[0]=1.; | |
55 | fVtxErr[1]=1.; | |
56 | fVtxErr[2]=100.; | |
57 | } | |
58 | else if(option.Contains("TED")){ | |
59 | fVtxPos[0]=0.; | |
60 | fVtxPos[1]=0.; | |
61 | fVtxPos[2]=34000.; // TED at z=+340 m | |
62 | fVtxErr[0]=1.; | |
63 | fVtxErr[1]=1.; | |
64 | fVtxErr[2]=100.; | |
65 | }else{ | |
66 | AliError(Form("%s is invalid, sets the vertex in (0,0,0)",option.Data())); | |
67 | for(Int_t k=0; k<3;k++){ | |
68 | fVtxPos[k]=0.; | |
69 | fVtxErr[k]=0.5; | |
70 | } | |
71 | } | |
72 | } | |
73 | ||
74 | ||
75 | //______________________________________________________________________ | |
76 | AliESDVertex* AliITSVertexerFixed::FindVertexForCurrentEvent(TTree * /*itsClusterTree */){ | |
77 | // Defines the AliITSVertex for the current event | |
78 | ||
79 | fCurrentVertex = new AliESDVertex(fVtxPos,fVtxErr,"Fixed Vertex"); | |
80 | return fCurrentVertex; | |
81 | ||
82 | } | |
83 | ||
84 | //________________________________________________________ | |
85 | void AliITSVertexerFixed::PrintStatus() const { | |
86 | // Print current status | |
87 | cout <<"=======================================================\n"; | |
88 | ||
89 | cout<<"Fixed positions: "; | |
90 | for(Int_t k=0;k<3;k++)cout<<" "<<fVtxPos[k]<<"+-"<<fVtxErr[k]; | |
91 | cout<<endl; | |
92 | } | |
93 |