[Olena-patches] 1992: Clean up accumulators related to connected filters.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Roland Levillain &lt;roland(a)lrde.epita.fr&gt; Clean up accumulators related to connected filters. * mln/accu/count.hh, * mln/accu/volume.hh: Add more documentation. Aesthetic changes. (mln::accu::count_<T>::result) (mln::accu::volume_<I>::result): Remove useless typedef. * mln/accu/volume.hh: (mln::accu::volume_<I>::height__): Rename member as... (mln::accu::volume_<I>::ref_level__): ...this. (mln::accu::volume_<I>::take) (mln::accu::volume_<I>::set_value): Adjust. (mln::accu::volume_<I>::init): Likewise. Actually initialize all members. (mln::accu::count_adjacent_vertices_<P, V>::set_value): Reset member ref_level__ and area__. * mln/accu/count_adjacent_vertices.hh (mln::accu::count_adjacent_vertices_<P, V>::set_value): Reset member vertices_. count.hh | 33 +++++++++++---------------- count_adjacent_vertices.hh | 2 + volume.hh | 54 +++++++++++++++++++++++++++++++++------------ 3 files changed, 56 insertions(+), 33 deletions(-) Index: mln/accu/count.hh --- mln/accu/count.hh (revision 1991) +++ mln/accu/count.hh (working copy) @@ -1,4 +1,4 @@ -// Copyright (C) 2007 EPITA Research and Development Laboratory +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) // // This file is part of the Olena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -28,52 +28,47 @@ #ifndef MLN_ACCU_COUNT_HH # define MLN_ACCU_COUNT_HH -/*! \file mln/accu/count.hh - * - * \brief Define an accumulator that counts. - */ +/// \file mln/accu/count.hh +/// \brief Define an accumulator that counts. # include <mln/accu/internal/base.hh> # include <mln/core/concept/meta_accumulator.hh> - namespace mln { namespace accu { - - /*! - * \brief Generic counter accumulator class. - * - * The parameter \a T is the type to be count. - */ + /// \brief Generic counter accumulator class. + /// The parameter \a T is the type to be count. template <typename T> struct count_ : public mln::accu::internal::base_< std::size_t , count_<T> > { typedef T argument; - typedef std::size_t result; // FIXME: Up in Accumulator. count_(); + /// Manipulators. + /// \{ void init(); - // FIXME : should we add a take() without argument? void take(const argument&); void take(const count_<T>& other); - std::size_t to_result() const; + /// Force the value of the counter to \a c. void set_value(std::size_t c); + /// \} - protected: + /// Get the value of the accumulator. + std::size_t to_result() const; + protected: + /// The value of the counter. std::size_t count__; }; - /*! - * \brief Meta accumulator for count. - */ + /// \brief Meta accumulator for count. struct count : public Meta_Accumulator< count > { template <typename T> Index: mln/accu/volume.hh --- mln/accu/volume.hh (revision 1991) +++ mln/accu/volume.hh (working copy) @@ -33,7 +33,7 @@ component through one of its pixels. This accumulator uses an mln::util::pix (pixel) to update the - height, area and volume information of the component. + reference level, area and volume information of the component. The class mln/accu/volume_ is not a general-purpose accumulator; it is used to implement volume-based connected filters. @@ -67,20 +67,30 @@ /// mln::morpho::opening_volume for actual uses of this /// accumulator. typedef util::pix<I> argument; - typedef std::size_t result; // FIXME: Up in Accumulator. + /// The value type associated to the pixel type. + typedef typename argument::value value; volume_(); + /// Manipulators. + /// \{ void init(); - void take(const argument&); + void take(const argument& pixel); void take(const volume_<I>& other); + /// Force the value of the counter to \a v. + void set_value(std::size_t v); + /// \} + + /// Get the value of the accumulator. std::size_t to_result() const; - void set_value(std::size_t c); protected: - typename argument::value height__; + /// The reference level (the level of the component's root). + value ref_level__; + /// The area of the component. std::size_t area__; + /// The volume of the component. std::size_t volume__; }; @@ -110,17 +120,30 @@ void volume_<I>::init() { - height__ = literal::zero; - volume__ = 0; + ref_level__ = literal::zero; volume__ = 0; + area__ = 0; } template <typename I> inline void - volume_<I>::take(const argument& t) + volume_<I>::take(const argument& pixel) { - height__ = t.v(); + /* FIXME: Growing a component using this particular `take' + routine won't work, since the update does not take care of + the reference level to compute the new volume. Maybe we + could distinguish two cases: + + 1. the empty accumulator case (which corresponds to the + following code); + 2. the non-empty accumulator case (which sohuld act as in + `take(const volume_<I>& other)'). + + Currently, the implementation is only valid if the + accumulator was initialy empty before the call to + `take(const argument&)'. */ + ref_level__ = pixel.v(); ++area__; ++volume__; } @@ -135,8 +158,9 @@ the latter, but both the ISMM 2005 paper and Olena 0.11 use the former. */ volume__ += - other.volume__ + other.area__ * math::abs(other.height__ - height__); - // Member height__ is not touched. + other.volume__ + + other.area__ * math::abs(other.ref_level__ - ref_level__); + // Member ref_level__ is not touched. } template <typename I> @@ -150,10 +174,12 @@ template <typename I> inline void - volume_<I>::set_value(std::size_t c) + volume_<I>::set_value(std::size_t v) { - volume__ = c; - // FIXME: What about area__ and height__ ? + volume__ = v; + // Reset the other members. + ref_level__ = literal::zero; + area__ = 0; } # endif // ! MLN_INCLUDE_ONLY Index: mln/accu/count_adjacent_vertices.hh --- mln/accu/count_adjacent_vertices.hh (revision 1991) +++ mln/accu/count_adjacent_vertices.hh (working copy) @@ -149,6 +149,8 @@ count_adjacent_vertices_<P, V>::set_value(std::size_t c) { count__ = c; + /// Reset the other member. + vertices_.clear(); } template <typename P, typename V>