* mln/topo/skeleton/breadth_first_thinning.hh (mln::topo::skeleton::breadth_first_thinning): Disable the default value of the 5th argument, which cannot be used in practice, since it depends on the parameter H. Add a 4-argument overloading to make the `constraint' argument optional. --- milena/ChangeLog | 11 ++++++ milena/mln/topo/skeleton/breadth_first_thinning.hh | 36 ++++++++++++++++++- 2 files changed, 45 insertions(+), 2 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index ebcec24..18e4ada 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,14 @@ +2010-09-09 Roland Levillain <roland@lrde.epita.fr> + + Make the 5th argument of breadth_first_thinning truly optional. + + * mln/topo/skeleton/breadth_first_thinning.hh + (mln::topo::skeleton::breadth_first_thinning): + Disable the default value of the 5th argument, which cannot be + used in practice, since it depends on the parameter H. + Add a 4-argument overloading to make the `constraint' argument + optional. + 2010-09-01 Roland Levillain <roland@lrde.epita.fr> Add more documentation on the detach procedure. diff --git a/milena/mln/topo/skeleton/breadth_first_thinning.hh b/milena/mln/topo/skeleton/breadth_first_thinning.hh index f9356f9..f405166 100644 --- a/milena/mln/topo/skeleton/breadth_first_thinning.hh +++ b/milena/mln/topo/skeleton/breadth_first_thinning.hh @@ -70,8 +70,27 @@ namespace mln const Neighborhood<N>& nbh, Function_v2b<F>& is_simple, G detach, - const Function_v2b<H>& constraint = - fun::p2b::tautology()); + const Function_v2b<H>& constraint); + + + /** \brief Skeleton by Breadth-First Thinning with no constraint. + + A generic implementation of the computation of a skeleton + using a breadth-first thinning on a binary. + + \param input The input image. + \param nbh The adjacency relation between triangles. + \param is_simple The predicate on the simplicity of points + (sites). This functor must provide a method + <tt>void set_image(const Image<I>&)</tt>. + \param detach A function used to detach a cell from + \a input. */ + template <typename I, typename N, typename F, typename G> + mln_concrete(I) + breadth_first_thinning(const Image<I>& input, + const Neighborhood<N>& nbh, + Function_v2b<F>& is_simple, + G detach); # ifndef MLN_INCLUDE_ONLY @@ -149,6 +168,19 @@ namespace mln return output; } + + template <typename I, typename N, typename F, typename G> + inline + mln_concrete(I) + breadth_first_thinning(const Image<I>& input, + const Neighborhood<N>& nbh, + Function_v2b<F>& is_simple, + G detach) + { + return breadth_first_thinning(input, nbh, is_simple, detach, + fun::p2b::tautology()); + } + # endif // MLN_INCLUDE_ONLY } // end of namespace mln::topo::skeleton -- 1.5.6.5