* apps/graph-morpho/morpho.hh (dilation_e2v(const mln::Image<I>&)) (erosion_v2e(const mln::Image<I>&)) (erosion_e2v(const mln::Image<I>&)) (dilation_v2e(const mln::Image<I>&)): Here. --- milena/ChangeLog | 11 ++++ milena/apps/graph-morpho/morpho.hh | 105 +++++++---------------------------- 2 files changed, 32 insertions(+), 84 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 116f75a..84d0dc2 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,16 @@ 2009-09-21 Roland Levillain <roland@lrde.epita.fr> + Have dilations and erosions delegate to the right implementations. + + * apps/graph-morpho/morpho.hh + (dilation_e2v(const mln::Image<I>&)) + (erosion_v2e(const mln::Image<I>&)) + (erosion_e2v(const mln::Image<I>&)) + (dilation_v2e(const mln::Image<I>&)): + Here. + +2009-09-21 Roland Levillain <roland@lrde.epita.fr> + Add implementations of dilations/erosions on mln::image2d<T>. * apps/graph-morpho/morpho.hh diff --git a/milena/apps/graph-morpho/morpho.hh b/milena/apps/graph-morpho/morpho.hh index 8457c55..d0c1a1d 100644 --- a/milena/apps/graph-morpho/morpho.hh +++ b/milena/apps/graph-morpho/morpho.hh @@ -53,6 +53,10 @@ // and might be changed. # include "apps/graph-morpho/cplx2d.hh" +// FIXME: Instead of providing several implementation, move specific +// parts (neighborhoods, etc.) to a graph_traits class, and write +// generic version of combine, dilation_e2v, erosion_v2e, etc. + /*----------------------------. | Vertices-edges combinator. | @@ -400,119 +404,52 @@ namespace impl } + +// ------------------------------------------ // +// Facades of (core) dilations and erosions. // +// ------------------------------------------ // + /// Dilation from edges to vertices (\f$\delta^\bullet\f$). template <typename I> inline mln_concrete(I) -dilation_e2v(const mln::Image<I>& input_) +dilation_e2v(const mln::Image<I>& input) { - const I& input = mln::exact(input_); - mln_concrete(I) output; - mln::initialize(output, input); - // Iterator on vertices. - mln::p_n_faces_fwd_piter<I::dim, mln_geom(I)> v(input.domain(), 0); - // Vertex-to-edges neighborhood. - typedef mln::complex_higher_neighborhood<I::dim, mln_geom(I)> v2e_t; - const v2e_t v2e; - mln_niter(v2e_t) e(v2e, v); - for_all(v) - { - output(v) = false; - for_all(e) - if (input(e)) - { - output(v) = true; - break; - } - } - return output; + return impl::dilation_e2v(mln::exact(input)); } /// Erosion from vertices to edges (\f$\epsilon^\times\f$). template <typename I> inline mln_concrete(I) -erosion_v2e(const mln::Image<I>& input_) +erosion_v2e(const mln::Image<I>& input) { - const I& input = mln::exact(input_); - mln_concrete(I) output; - mln::initialize(output, input); - // Iterator on edges. - mln::p_n_faces_fwd_piter<I::dim, mln_geom(I)> e(input.domain(), 1); - // Edge-to-vertices neighborhood. - typedef mln::complex_lower_neighborhood<I::dim, mln_geom(I)> e2v_t; - const e2v_t e2v; - mln_niter(e2v_t) v(e2v, e); - for_all(e) - { - output(e) = true; - for_all(v) - if (!input(v)) - { - output(e) = false; - break; - } - } - return output; + return impl::erosion_v2e(mln::exact(input)); } /// Erosion from edges to vertices (\f$\epsilon^\bullet\f$). template <typename I> inline mln_concrete(I) -erosion_e2v(const mln::Image<I>& input_) +erosion_e2v(const mln::Image<I>& input) { - const I& input = mln::exact(input_); - mln_concrete(I) output; - mln::initialize(output, input); - // Iterator on vertices. - mln::p_n_faces_fwd_piter<I::dim, mln_geom(I)> v(input.domain(), 0); - // Vertex-to-edges neighborhood. - typedef mln::complex_higher_neighborhood<I::dim, mln_geom(I)> v2e_t; - const v2e_t v2e; - mln_niter(v2e_t) e(v2e, v); - for_all(v) - { - output(v) = true; - for_all(e) - if (!input(e)) - { - output(v) = false; - break; - } - } - return output; + return impl::erosion_e2v(mln::exact(input)); } /// Dilation from vertices to edges (\f$\delta^\times\f$). template <typename I> inline mln_concrete(I) -dilation_v2e(const mln::Image<I>& input_) +dilation_v2e(const mln::Image<I>& input) { - const I& input = mln::exact(input_); - mln_concrete(I) output; - mln::initialize(output, input); - // Iterator on edges. - mln::p_n_faces_fwd_piter<I::dim, mln_geom(I)> e(input.domain(), 1); - // Edge-to-vertices neighborhood. - typedef mln::complex_lower_neighborhood<I::dim, mln_geom(I)> e2v_t; - const e2v_t e2v; - mln_niter(e2v_t) v(e2v, e); - for_all(e) - { - output(e) = false; - for_all(v) - if (input(v)) - { - output(e) = true; - break; - } - } - return output; + return impl::dilation_v2e(mln::exact(input)); } +// ------------------------------ // +// Other dilations and erosions. // +// ------------------------------ // + /// Vertex dilation (\f$delta\f$). template <typename I> inline -- 1.6.4.2