coord2d.hpp

/* coord2d.hpp */
/* $Id: coord2d.hpp,v 1.3 2008/09/18 10:45:47 vlad Exp $ */

/*
 *  $Log: coord2d.hpp,v $
 *  Revision 1.3  2008/09/18 10:45:47  vlad
 *  + new constructor TransformCoord2D()
 *
 *  Revision 1.2  2007/06/29 13:27:33  vlad
 *  1) Fixed errors in comments
 *  2) +transformBack()
 *
 *  Revision 1.1  2007/06/12 15:04:16  ibadm
 *  + makefiles and coord2d transformation from GeoEast-VSP
 *
 *  Revision 1.1  2007/05/30 13:59:22  vlad
 *  + tested Affine transformations
 *
 */

#ifndef __coord2d_hpp
#define __coord2d_hpp


class TransformCoord2D
{
public:

  TransformCoord2D ();

  TransformCoord2D (double x0, double y0, double angle);

  TransformCoord2D (double x0, double y0, double x1, double y1);

  void      transform (double x, double y, double& x1, double& y1) const;

  double    transformX (double x, double y) const;

  double    transformY (double x, double y) const;

  void      transformBack (double x1, double y1,
                   double& x, double& y) const;


protected:

  double    m_fA[2][2];

  double    m_fX0, m_fY0;

};


#endif /* coord2d.hpp */