text: /*******************************************************************************
  Project       : foundation
  Purpose       : compute convex hull using graham scan.
  Creation Date : 16.1.2009
  Author        : Martin Christen
  Copyright     : This source code file is copyright (c) FHNW 2009
  *******************************************************************************/
  
  #ifndef _CONVEXHULL_H
  #define _CONVEXHULL_H
  
  #include "og.h"
  #include <iostream>
  #include <deque>
  #include <vector>
  #include <algorithm>
  #include <math.h>
  #include <math/ElevationPoint.h>
  
  namespace math
  {
     void OPENGLOBE_API graham_scan(std::vector<ElevationPoint>& points, std::vector<ElevationPoint> &chull);
  }
  
  
  #endif
  