#ifndef DRIFTCORRECTION_H_
#define DRIFTCORRECTION_H_
//
//-----------------------------------------------------------------------
/// @copyright
///            (c) Copyright 2008 by GATS, Inc.,
///     11864 Canon Blvd, Suite 101, Newport News VA 23606
///
///  All Rights Reserved. No part of this software or publication may be
///  reproduced, stored in a retrieval system, or transmitted, in any form
///  or by any means, electronic, mechanical, photocopying, recording, or
///  otherwise without the prior written permission of GATS, Inc.
///
//-----------------------------------------------------------------------
///
/// @file	DriftCorrection.h
///
/// @author	John Burton	<j.c.burton@gats-inc.com>
///
/// @date  	Mon Aug 18 16:58:19 2008
///
//-----------------------------------------------------------------------
//
//-----------------------------------------------------------------------
// Include Files:
//-----------------------------------------------------------------------
//


//
//-----------------------------------------------------------------------
// Constants, Defines, Macros and Type Definitions:
//-----------------------------------------------------------------------
//



//
//-----------------------------------------------------------------------
// Global Variables:
//-----------------------------------------------------------------------
//



//
//-----------------------------------------------------------------------
// Class Definition:
//-----------------------------------------------------------------------
//
class DriftCorrection {

//
//-----------------------------------------------------------------------
// Private Members:
//-----------------------------------------------------------------------
//
private:
  double m_;
  double b_;
  double R2_;
  double e_ref_;
  double t_ref_;
  double z_ref_;
  
  EventVar<double> MeasuredExtent_;
  EventVar<double> CorrectedExtent_;
  EventVar<double> Altitude_;
  EventVar<double> Time_;

//
//-----------------------------------------------------------------------
// Protected Members:
//-----------------------------------------------------------------------
//
protected:


//
//-----------------------------------------------------------------------
// Public Members:
//-----------------------------------------------------------------------
//
public:

  DriftCorrection(void);
  void doLinearFit(EventVar<double> &Extent, EventVar<double> &Altitude, EventVar<double> &Time);
  EventVar<double> doDriftCorrection(double &TrueExtent);


}; // end class DriftCorrection
#endif