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/*******************************************************************************
* *
* PrimeSense NITE 1.3 *
* Copyright (C) 2010 PrimeSense Ltd. *
* *
*******************************************************************************/
#ifndef _XNV_POINT_TRACKER_H_
#define _XNV_POINT_TRACKER_H_
#include "XnVDeviceFilter.h"
#include "XnVMultipleHands.h"
/**
* A XnVPointTracker is a Context Filter, which is a Context Control and a Message Generator.
* It receives Context Messages (as a Context Control), and creates Point Messages to send on
*/
class XNV_NITE_API XnVPointTracker :
public XnVContextFilter
{
public:
/**
* Constructor. Create a new Point Tracker
*
* @param [in] strName A name, for Log use
*/
XnVPointTracker(const XnChar* strName = "XnVPointTracker");
virtual ~XnVPointTracker();
/**
* Start tracking, with the first hand at a certain position
*
* @param [in] ptPosition The initial position of the first hand
*/
virtual XnStatus StartTracking(const XnPoint3D& ptPosition);
/**
* Stop tracking a certain hand
*
* @param [in] nID The ID of the hand that should no longer be tracked
*/
virtual XnStatus StopTracking(const XnUInt32 nID);
/**
* Stop tracking all existing hands
*/
virtual XnStatus StopTracking();
/**
* Clear state
*/
virtual void Clear();
protected:
XnVIntList m_LostPoints;
};
#endif
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