Belle II Software  release-08-01-10
DistanceInTime.h
1 /**************************************************************************
2  * basf2 (Belle II Analysis Software Framework) *
3  * Author: The Belle II Collaboration *
4  * *
5  * See git log for contributors and copyright holders. *
6  * This file is licensed under LGPL-3.0, see LICENSE.md. *
7  **************************************************************************/
8 
9 #pragma once
10 
11 #include <tracking/trackFindingVXD/filterMap/filterFramework/SelectionVariable.h>
12 
13 #define DISTANCEINTIME DistanceInTime
14 
15 namespace Belle2 {
22  template <typename PointType>
23  class DISTANCEINTIME : public SelectionVariable< PointType, 3, double > {
24  public:
25 
28 
30  static double value(const PointType&, const PointType& centerHit, const PointType&)
31 
32  {
33  return
34  centerHit.TimeV() - centerHit.TimeU();
35  }
36  };
37 
39 }
This variable returns the difference among the V and U side clusters of th ecenter space point.
PUT_NAME_FUNCTION(DISTANCEINTIME)
is expanded as "static const std:string name(void)" frunction which returns name of the Class
static double value(const PointType &, const PointType &centerHit, const PointType &)
return the time difference (ns) among the V and U side clusters of th ecenter space point
Base class of the selection variable objects used for pair filtering.
Abstract base class for different kinds of events.