CMSSW Reference Manual

00001 #include "RecoVertex/VertexTools/interface/VertexDistance.h"
00002 #include "RecoVertex/VertexPrimitives/interface/VertexState.h"
00003 #include "RecoVertex/VertexPrimitives/interface/ConvertError.h"
00004 #include "FWCore/Utilities/interface/Exception.h"
00005 #include <cfloat>
00006 
00007 
00008 using namespace reco;
00009 
00010 Measurement1D VertexDistance::distance(const VertexState & vtx1, 
00011                                          const VertexState & vtx2) const
00012 {
00013   return distance(vtx1.position(), vtx1.error(),
00014                   vtx2.position(), vtx2.error());
00015 }
00016 
00017 Measurement1D VertexDistance::distance(const Vertex & vtx1, 
00018                                          const VertexState & vtx2) const
00019 {
00020   return distance(GlobalPoint(Basic3DVector<float> (vtx1.position())), 
00021                   RecoVertex::convertError(vtx1.covariance()),
00022                   vtx2.position(), vtx2.error());
00023 }
00024 
00025 
00026 Measurement1D VertexDistance::distance(const VertexState & vtx1, 
00027                                          const Vertex & vtx2) const
00028 {
00029   return distance(vtx1.position(), vtx1.error(),
00030                   GlobalPoint(Basic3DVector<float> (vtx2.position())), 
00031                   RecoVertex::convertError(vtx2.covariance()));
00032 }
00033 
00034 
00035 Measurement1D 
00036 VertexDistance::distance(const Vertex & vtx1, const Vertex & vtx2) const
00037 {
00038   return distance(GlobalPoint(Basic3DVector<float> (vtx1.position())), 
00039                   RecoVertex::convertError(vtx1.covariance()),
00040                   GlobalPoint(Basic3DVector<float> (vtx2.position())), 
00041                   RecoVertex::convertError(vtx2.covariance()));
00042 }
00043 
00044 
00045 float VertexDistance::compatibility(const VertexState & vtx1, 
00046                                       const VertexState & vtx2) const
00047 {
00048   return compatibility(vtx1.position(), vtx1.error(),
00049                        vtx2.position(), vtx2.error());
00050 }
00051 
00052 float VertexDistance::compatibility(const Vertex & vtx1, 
00053                                       const VertexState & vtx2) const
00054 {
00055   return compatibility(GlobalPoint(Basic3DVector<float> (vtx1.position())), 
00056                        RecoVertex::convertError(vtx1.covariance()),
00057                        vtx2.position(), vtx2.error());
00058 }
00059 
00060 float VertexDistance::compatibility(const VertexState & vtx1, 
00061                                       const Vertex & vtx2) const
00062 {
00063   return compatibility(vtx1.position(), vtx1.error(),
00064                   GlobalPoint(Basic3DVector<float> (vtx2.position())), 
00065                   RecoVertex::convertError(vtx2.covariance()));
00066 }
00067 
00068 
00069 float VertexDistance::compatibility(const Vertex & vtx1, 
00070                                       const Vertex & vtx2) const
00071 {
00072   return compatibility(GlobalPoint(Basic3DVector<float> (vtx1.position())), 
00073                        RecoVertex::convertError(vtx1.covariance()),
00074                        GlobalPoint(Basic3DVector<float> (vtx2.position())), 
00075                        RecoVertex::convertError(vtx2.covariance()));
00076 }
VertexDistance.cc
