ossimLeastSquaresPlane.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
//
// Author:  Garrett Potts (gpotts@imagelinks.com
//
// Description: Source code produced by Dave Knopp
//
//*******************************************************************
//  $Id: ossimLeastSquaresPlane.h 23167 2015-02-24 22:07:14Z okramer $
#ifndef    ossimLeastSquaresPlane_INCLUDE
#define    ossimLeastSquaresPlane_INCLUDE
#include <ossim/base/ossimConstants.h>
#include <ossim/matrix/newmat.h>

class OSSIMDLLEXPORT ossimLeastSquaresPlane
{
public:

   ossimLeastSquaresPlane(const ossimLeastSquaresPlane &);
   ossimLeastSquaresPlane();
   
   ossimLeastSquaresPlane & operator = (const ossimLeastSquaresPlane &);
   
   virtual ~ossimLeastSquaresPlane();

   virtual void clear();

   virtual void addSample(double x, double y, double z_mea);
   
   virtual bool getLSParms(double& pa, double& pb, double& pc) const;

   virtual void setLSParams(double pa, double pb, double pc);
                           
   virtual inline double lsFitValue(double xx, double yy) const { return (m_a*xx + m_b*yy + m_c); }
   
   bool solveLS();
   
private:

   double m_a;

   double m_b;

   double m_c;

   NEWMAT::Matrix*  AtA;

   NEWMAT::Matrix*  Atb;

   ossim_uint32 m_numSamples;
};

#endif