[Olena-patches] last-svn-commit-245-gb84bea1 Miscellaneous changes in mesh-related operations.

* mln/topo/is_simple_cell.hh: Add static preconditions. Reduce the number of pointer manipulations. Aesthetic changes. * mln/topo/detach_cell.hh: Move a static precondition. Aesthetic changes. * mln/io/vtk/save.hh: Cosmetic changes. --- milena/ChangeLog | 11 +++++++++++ milena/mln/io/vtk/save.hh | 8 ++++++-- milena/mln/topo/detach_cell.hh | 22 ++++++++++++---------- milena/mln/topo/is_simple_cell.hh | 24 ++++++++++++++---------- 4 files changed, 43 insertions(+), 22 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index aa71fb7..63b6054 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,16 @@ 2011-03-14 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + Miscellaneous changes in mesh-related operations. + + * mln/topo/is_simple_cell.hh: Add static preconditions. + Reduce the number of pointer manipulations. + Aesthetic changes. + * mln/topo/detach_cell.hh: Move a static precondition. + Aesthetic changes. + * mln/io/vtk/save.hh: Cosmetic changes. + +2011-03-14 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + New apps: max curvature-based thinnings using 2- and 1-collapses. * apps/mesh-segm-skel/mesh-complex-max-curv-2-collapse.cc, diff --git a/milena/mln/io/vtk/save.hh b/milena/mln/io/vtk/save.hh index fbe5a85..142608a 100644 --- a/milena/mln/io/vtk/save.hh +++ b/milena/mln/io/vtk/save.hh @@ -1,4 +1,4 @@ -// Copyright (C) 2008, 2009, 2010 EPITA Research and Development +// Copyright (C) 2008, 2009, 2010, 2011 EPITA Research and Development // Laboratory (LRDE) // // This file is part of Olena. @@ -269,7 +269,7 @@ namespace mln /* ``1. The first part is the file version and identifier. This part contains the single line: - # vtk DataFile Version x.x. + # vtk DataFile Version x.x. This line must be exactly as shown with the exception of the version number x.x, which will vary @@ -492,6 +492,10 @@ namespace mln ostr << std::endl; } + // -------------------- // + // Dataset attributes. // + // -------------------- // + /* ``5. The final part describes the dataset attributes. This part begins with the keywords POINT_DATA or CELL_DATA,followed by an integer number specifying diff --git a/milena/mln/topo/detach_cell.hh b/milena/mln/topo/detach_cell.hh index 761142e..0bf442c 100644 --- a/milena/mln/topo/detach_cell.hh +++ b/milena/mln/topo/detach_cell.hh @@ -30,10 +30,15 @@ /// \file /// \brief Detaching a cell from a binary (probably complex-based) image. +# include <mln/core/concept/function.hh> +# include <mln/core/concept/image.hh> +# include <mln/core/concept/neighborhood.hh> + # include <mln/core/site_set/p_set.hh> -# include <mln/core/image/complex_image.hh> + # include <mln/make/detachment.hh> + namespace mln { @@ -66,7 +71,7 @@ namespace mln \pre \a ima is an image of Boolean values. \param ima The input image from which the cell is to be - detached. + detached. \param nbh An adjacency relationship between faces (should return the set of (n-1)- and (n+1)-faces adjacent to an n-face). */ @@ -80,14 +85,10 @@ namespace mln \pre \a ima is an image of Boolean values. */ void set_image(mln::Image<I>& ima); - /** Detach the cell corresponding to \a f from \a ima. + /** Detach the cell corresponding to \a f from \a ima_. - \param f The psite corresponding to the cell to detach. - \param nbh An adjacency relationship between faces - (should return the set of (n-1)- and (n+1)-faces - adjacent to an n-face). */ - void - operator()(const mln_psite(I)& f); + \param f The psite corresponding to the cell to detach. */ + void operator()(const mln_psite(I)& f); private: I* ima_; @@ -95,6 +96,7 @@ namespace mln }; + # ifndef MLN_INCLUDE_ONLY template <typename I, typename N> @@ -102,6 +104,7 @@ namespace mln detach_cell<I, N>::detach_cell(const Neighborhood<N>& nbh) : ima_(0), nbh_(exact(nbh)) { + mlc_equal(mln_value(I), bool)::check(); } template <typename I, typename N> @@ -118,7 +121,6 @@ namespace mln void detach_cell<I, N>::set_image(mln::Image<I>& ima) { - mlc_equal(mln_value(I), bool)::check(); ima_ = exact(&ima); } diff --git a/milena/mln/topo/is_simple_cell.hh b/milena/mln/topo/is_simple_cell.hh index 8796c16..9f1491a 100644 --- a/milena/mln/topo/is_simple_cell.hh +++ b/milena/mln/topo/is_simple_cell.hh @@ -34,15 +34,15 @@ # include <mln/core/concept/image.hh> # include <mln/core/site_set/p_set.hh> -# include <mln/core/site_set/complex_psite.hh> -# include <mln/core/site_set/p_complex_piter.hh> -# include <mln/core/image/complex_neighborhoods.hh> -# include <mln/core/image/complex_neighborhood_piter.hh> # include <mln/topo/is_facet.hh> # include <mln/make/attachment.hh> +// FIXME: Have the functor take N, NL and NH neighborhood objects at +// the construction (instead of building them in operator()), as in +// does is_simple_pair. + namespace mln { @@ -69,7 +69,8 @@ namespace mln \tparam NH The neighborhood type returning the set of (n+1)-faces adjacent to a an n-face. */ template <typename I, typename N, typename NL, typename NH> - class is_simple_cell : public mln::Function_v2b< is_simple_cell<I, N, NL, NH> > + class is_simple_cell + : public mln::Function_v2b< is_simple_cell<I, N, NL, NH> > { public: /// Result type of the functor. @@ -108,6 +109,7 @@ namespace mln is_simple_cell<I, N, NL, NH>::is_simple_cell() : ima_(0) { + mlc_equal(mln_value(I), bool)::check(); } template <typename I, typename N, typename NL, typename NH> @@ -115,6 +117,7 @@ namespace mln is_simple_cell<I, N, NL, NH>::is_simple_cell(const mln::Image<I>& ima) : ima_(exact(&ima)) { + mlc_equal(mln_value(I), bool)::check(); } template <typename I, typename N, typename NL, typename NH> @@ -131,23 +134,24 @@ namespace mln is_simple_cell<I, N, NL, NH>::operator()(const mln_psite(I)& p) const { mln_precondition(ima_); - // FIXME: Introduce `const I& ima = *ima_;' and use it instead of - // `ima_'. Or introduce an `ima()' accessor? + // Shortcut. + // FIXME: Introduce an `ima()' accessor instead? + const I& ima = *ima_; // The cell corresponding to P cannot be simple unless P is // facet. { NH higher_adj_nbh; - if (!is_facet(*ima_, p, higher_adj_nbh)) + if (!is_facet(ima, p, higher_adj_nbh)) return false; } typedef p_set<mln_psite(I)> faces_t; // Compute the attachment of the cell corresponding to P to the - // domain of *IMA_. + // domain of IMA. N adj_nbh; - faces_t att = make::attachment(*ima_, p, adj_nbh); + faces_t att = make::attachment(ima, p, adj_nbh); // A cell with an empty attachment is not simple. /* FIXME: Why p_set does not provide an empty() predicate? */ -- 1.5.6.5