Tracking/TrkEvent/VxVertex/VxVertex/PrimaryVertexSelector.h File Reference

#include "VxVertex/VxContainer.h"
#include "VxVertex/VxCandidate.h"

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Functions
const Trk::VxCandidate *	PrimaryVertexSelector (const VxContainer &vxContainer)
	Simple Global Function to wrap around the VxCandidate container. More...

Function Documentation

PrimaryVertexSelector()

const Trk::VxCandidate* PrimaryVertexSelector ( const VxContainer &  vxContainer )

inline

Simple Global Function to wrap around the VxCandidate container.

Author

Andreas.Salzburger -at- cern.ch

Definition at line 20 of file Tracking/TrkEvent/VxVertex/VxVertex/PrimaryVertexSelector.h.

                                                                                  {
    // the return vertex
    const Trk::VxCandidate* primaryVxCandidate = 0;
    // simple loop through and get the primary vertex
    VxContainer::const_iterator vxIter    = vxContainer.begin();
    VxContainer::const_iterator vxIterEnd = vxContainer.end();
    for ( size_t ivtx = 0; vxIter != vxIterEnd; ++vxIter, ++ivtx ){
       // the first and only primary vertex candidate is picked
       if ( (*vxIter)->vertexType() ==  Trk::PriVtx){
            primaryVxCandidate = (*vxIter);
            break;
        }
    }
    // return what you have - users need to check
    return primaryVxCandidate;
}