oln::topo::dmap< T, T2 > Class Template Reference

#include <dmap.hh>

Collaboration diagram for oln::topo::dmap< T, T2 >:

[legend]List of all members.

Public Types
typedef image2d< ntg::bin >::point_type	point_type
Public Member Functions
	dmap (const image2d_size &size, const chamfer< T2 > &ch)
template<class V> void	compute (const image2d< V > &input, float infty=0.f)
	Compute the distance map.
template<class V> void	compute (const image2d< V > &input, image2d< point2d > &nearest_point_map, float infty=0.f)
	Compute the distance map.
const image2d< T > &	imap () const
	Return the distance map of type T.
image2d< float >	to_image () const
	Return the distance map divided by the Chamfer coefficient.
const T &	operator[] (const point_type &p) const
	Distance of a point p.
const T &	operator() (coord row, coord col) const
	Distance of a point2d(row, col).

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Detailed Description

template<class T, class T2>
class oln::topo::dmap< T, T2 >

Distance map

Parameters:

T	Type of the distance.
T2	Type of the chamfer distance.

Note:

Do not forget to call compute.

 #include <oln/basics2d.hh>
 #include <oln/topo/dmap.hh>
 #include <oln/convert/stretch.hh>

 int main()
 {
   oln::image2d<ntg::bin> in = oln::load(IMG_IN "face_se.pbm");

   oln::topo::dmap<ntg::int_u<16>, int> m(in.size(), oln::topo::chessboard());
   m.compute(in);
   save(oln::convert::stretch_balance<ntg::int_u8>(m.imap()),
        IMG_OUT "oln_topo_dmap.pgm");
 }

=>

Definition at line 660 of file dmap.hh.

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Constructor & Destructor Documentation

template<class T, class T2> oln::topo::dmap< T, T2 >::dmap (  const image2d_size &  size, const chamfer< T2 > &  ch )

Constructor. size Size of the image on which the dmap will be compute. ch Chamfer distance used. Definition at line 203 of file dmap.hxx. : imap_(size), ch_(ch) { // FIXME: if T is float then precondition(ch.coef == 1.f) }

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The documentation for this class was generated from the following files:

• dmap.hh
• dmap.hxx

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