// $Id$
//
//    File: DVertex.h
// Created: Tue Apr  6 17:01:54 EDT 2010
// Creator: davidl (on Darwin Amelia.local 9.8.0 i386)
//

#ifndef _DVertex_
#define _DVertex_

#include <JANA/JObject.h>
#include <JANA/JFactory.h>

#include <TRACKING/DTrackTimeBased.h>

class DVertex:public jana::JObject{
	public:
		JOBJECT_PUBLIC(DVertex);
		
		DVector3 x;		// vertex position in cm
		DMatrix cov;	// covariance matrix
		bool beamline_used;
		
		// Objects used to calculate this added as Associated Objects
		void toStrings(vector<pair<string,string> > &items)const{
			vector<const DTrackTimeBased*> trks;
			Get(trks);
		
			AddString(items, "x", "%3.2f", x.X());
			AddString(items, "y", "%3.2f", x.Y());
			AddString(items, "z", "%3.2f", x.Z());
			AddString(items, "beamline_used", "%d", beamline_used);
			AddString(items, "Ntracks", "%d", trks.size());
		}
};

#endif // _DVertex_