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econte |
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#ifndef TrajectoryStateClosestToPointBuilder_H
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#define TrajectoryStateClosestToPointBuilder_H
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#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
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#include "TrackingTools/TrajectoryState/interface/TrajectoryStateClosestToPoint.h"
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/**
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* This class builds a TrajectoryStateClosestToPoint given an original
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* TrajectoryStateOnSurface or FreeTrajectoryState. This new state is then
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* defined at the point of closest approach to the reference point.
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* In case the propagation was not successful, this state can be invalid.
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*/
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class TrajectoryStateClosestToPointBuilder
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{
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public:
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typedef TrajectoryStateOnSurface TSOS;
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typedef FreeTrajectoryState FTS;
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virtual ~TrajectoryStateClosestToPointBuilder(){}
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virtual TrajectoryStateClosestToPoint operator() (const FTS& originalFTS,
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const GlobalPoint& referencePoint) const = 0;
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virtual TrajectoryStateClosestToPoint operator() (const TSOS& originalTSOS,
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const GlobalPoint& referencePoint) const = 0;
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bool positionEqual(const GlobalPoint& ptB, const GlobalPoint& ptA) const
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{
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if ((ptA.x() == ptB.x()) && (ptA.y() == ptB.y()) && (ptA.z() == ptB.z()))
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return true;
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else return false;
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}
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protected:
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TrajectoryStateClosestToPoint constructTSCP(const FTS& originalFTS,
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const GlobalPoint& referencePoint) const
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{return TrajectoryStateClosestToPoint(originalFTS, referencePoint);}
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};
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#endif
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