ExampleInterpolateLuT.cpp

/* 
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
Multimediale Systeme der Informationsverarbeitung
Institut fuer Informatik
Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


/** @example ExampleInterpolateLuT.cpp
    @relates Interpolator
    @ingroup g_examples    
    @brief   Example for Interpolator with look up table (LuT)
    @author MIP
*/

#include <Base/Common/BIASpragma.hh>

#include <MathAlgo/Interpolator.hh>
#include <iostream>
#include <vector>

using namespace BIAS;
using namespace std;

//int main(int argc, char *argv[])
int main()
{
  Interpolator spline;

  vector<double> AngleCorrX,AngleCorrY;

  AngleCorrX.push_back(0); AngleCorrY.push_back(0);
  AngleCorrX.push_back(0.138); AngleCorrY.push_back(0.138);
  AngleCorrX.push_back(0.424); AngleCorrY.push_back(0.421032);
  AngleCorrX.push_back(0.757); AngleCorrY.push_back(0.737318);
  AngleCorrX.push_back(1.045); AngleCorrY.push_back(0.983345);
  AngleCorrX.push_back(1.342); AngleCorrY.push_back(1.20646);
  AngleCorrX.push_back(1.436); AngleCorrY.push_back(1.26512);
  AngleCorrX.push_back(1.652); AngleCorrY.push_back(1.36786);
  

  spline.SetKnotPoints(AngleCorrX);  
  spline.SetControlPoints(AngleCorrY);
  spline.InitSpline(); 
  double MinAngle;
  spline.Spline(MinAngle, AngleCorrX[0],4);  
  double MaxCamAngle = AngleCorrX[AngleCorrX.size()-1];

  cout <<"CamAngle range: ["<<MinAngle<<" , "<<MaxCamAngle*180.0/M_PI<<"]"<<endl;

  spline.PrepareLuTSpline(MinAngle-1, MaxCamAngle, 20);
  double ang;
 int res =  spline.SplineFromLuT(ang, -0.5 );
 if (res <0) cout <<"Out of range"<<endl;

  return 0;
}