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8a553be2 | 1 | /************************************************************************** |
2 | * Copyright(c) 2006-2008, 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 | //----------------------------------------------------------------- | |
17 | // Implementation of the base Vertex class | |
18 | // This class contains the Secondary Vertex | |
19 | // of a set of tracks | |
20 | // And it is the base class for primary vertices | |
21 | // Origin: F.Prino, Torino, prino@to.infn.it | |
22 | //----------------------------------------------------------------- | |
23 | ||
24 | #include "AliVertex.h" | |
25 | ||
26 | ||
27 | ClassImp(AliVertex) | |
28 | ||
29 | //-------------------------------------------------------------------------- | |
30 | AliVertex::AliVertex() : TNamed() { | |
31 | // | |
32 | // Default Constructor, set everything to 0 | |
33 | // | |
34 | for(Int_t k=0;k<3;k++) fPosition[k] = 0; | |
35 | fSigma = 0; | |
36 | fNContributors=0; | |
37 | } | |
38 | ||
39 | //-------------------------------------------------------------------------- | |
40 | AliVertex::AliVertex(Double_t position[3],Double_t dispersion, | |
41 | Int_t nContributors): TNamed() { | |
42 | // | |
43 | // Standard Constructor | |
44 | // | |
45 | ||
46 | for(Int_t k=0;k<3;k++) fPosition[k] = position[k]; | |
47 | fSigma = dispersion; | |
48 | fNContributors = nContributors; | |
49 | SetName("BaseVertex"); | |
50 | ||
51 | } | |
52 | ||
2d57349e | 53 | //-------------------------------------------------------------------------- |
54 | AliVertex::AliVertex(const AliVertex &source): TNamed(source) { | |
55 | // | |
56 | // Copy constructor | |
57 | // | |
58 | for(Int_t i=0;i<3;i++)fPosition[i] = source.fPosition[i]; | |
59 | fSigma = source.GetDispersion(); | |
60 | fNContributors = source.GetNContributors(); | |
61 | } | |
62 | ||
63 | //-------------------------------------------------------------------------- | |
64 | AliVertex &AliVertex::operator=(const AliVertex &source){ | |
65 | // | |
66 | // assignment operator | |
67 | // | |
68 | if(&source == this) return *this; | |
69 | this->SetName(source.GetName()); | |
70 | this->SetTitle(source.GetTitle()); | |
71 | for(Int_t i=0;i<3;i++)fPosition[i] = source.fPosition[i]; | |
72 | fSigma = source.GetDispersion(); | |
73 | fNContributors = source.GetNContributors(); | |
74 | return *this; | |
75 | } | |
76 | ||
8a553be2 | 77 | |
78 | //-------------------------------------------------------------------------- | |
79 | AliVertex::~AliVertex() { | |
80 | // | |
81 | // Default Destructor | |
82 | // | |
83 | ||
84 | } | |
85 | //-------------------------------------------------------------------------- | |
86 | void AliVertex::GetXYZ(Double_t position[3]) const { | |
87 | // | |
88 | // Return position of the vertex in global frame | |
89 | // | |
90 | position[0] = fPosition[0]; | |
91 | position[1] = fPosition[1]; | |
92 | position[2] = fPosition[2]; | |
93 | ||
94 | return; | |
95 | } | |
96 | //-------------------------------------------------------------------------- | |
97 | void AliVertex::Print(Option_t* /*option*/) const { | |
98 | // | |
99 | // Print out information on all data members | |
100 | // | |
101 | printf("Vertex position:\n"); | |
102 | printf(" x = %f\n",fPosition[0]); | |
103 | printf(" y = %f\n",fPosition[1]); | |
104 | printf(" z = %f\n",fPosition[2]); | |
105 | printf(" Dispersion = %f\n",fSigma); | |
106 | printf(" # tracks = %d\n",fNContributors); | |
107 | ||
108 | return; | |
109 | } | |
110 | ||
111 | ||
112 | ||
113 |