gdcmDirectionCosines.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMDIRECTIONCOSINES_H
#define GDCMDIRECTIONCOSINES_H
 
#include "gdcmTypes.h"
 
namespace gdcm
{
 
class GDCM_EXPORT DirectionCosines
{
public:
  DirectionCosines();
  DirectionCosines(const double dircos[6]);
  // Cannot get the following signature to be wrapped with swig...
  //DirectionCosines(const double *dircos = 0 );
  ~DirectionCosines();
 
  void Print(std::ostream &) const;
 
  void Cross(double z[3]) const;
 
  double Dot() const;
 
  static double Dot(const double x[3], const double y[3]);
 
  void Normalize();
 
  static void Normalize(double v[3]);
 
  static double Norm(const double v[3]);
 
  operator const double* () const { return Values; }
 
  bool IsValid() const;
 
  bool SetFromString(const char *str);
 
  double CrossDot(DirectionCosines const &dc) const;
 
  double ComputeDistAlongNormal(const double ipp[3]) const;
 
private:
  double Values[6];
};
 
} // end namespace gdcm
 
#endif //GDCMDIRECTIONCOSINES_H