contrib/brl/bbas/bvgl/bvgl_triangle_3d.h

Go to the documentation of this file.

// This is brl/bbas/bvgl/bvgl_triangle_3d.h
#ifndef bvgl_triangle_h_
#define bvgl_triangle_h_
//:
// \file
// \brief simple 3d triangle
// \author Jan 30, 2012 Andrew Miller
//

#include <vgl/vgl_point_3d.h>
#include <vcl_vector.h>
#include <vcl_iosfwd.h>

template <class Type>
class bvgl_triangle_3d
{
 public:

  //: Default constructor (creates empty triangle)
  bvgl_triangle_3d();

  //: Construct using two corner points
  bvgl_triangle_3d( vgl_point_3d<Type> const& corner1,
                    vgl_point_3d<Type> const& corner2,
                    vgl_point_3d<Type> const& corner3);

  //: access points
  vgl_point_3d<Type>        operator[](int index) { return points_[index]; }
  //: access points
  vgl_point_3d<Type> const& operator[](int index) const { return points_[index]; }

  // ----- IO --------

  //: Write "<vgl_box_3d x0,y0,z0 to x1,y1,z1>" to stream
  vcl_ostream& print(vcl_ostream&) const;

  //: Write "x0 y0 z0 x1 y1 z1(endl)" to stream
  vcl_ostream& write(vcl_ostream&) const;

  //: Read x0,y0,z0,x1,y1,z1 from stream
  vcl_istream& read(vcl_istream&);

 private:
  vgl_point_3d<Type> points_[3];
};

template <class Type>
vcl_ostream&  operator<<(vcl_ostream& s, bvgl_triangle_3d<Type> const& p);

//: Read box from stream
template <class Type>
vcl_istream&  operator>>(vcl_istream& is,  bvgl_triangle_3d<Type>& p);

#define BVGL_TRIANGLE_3D(T) extern "please include bbas/bvgl/bvgl_triangle_3d.txx first"

#endif // bvgl_triangle_h_