compute_attribute_image.cc

// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
//
// This file is part of Olena.
//
// Olena is free software: you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation, version 2 of the License.
//
// Olena is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Olena.  If not, see <http://www.gnu.org/licenses/>.
//
// As a special exception, you may use this file as part of a free
// software project without restriction.  Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to produce
// an executable, this file does not by itself cause the resulting
// executable to be covered by the GNU General Public License.  This
// exception does not however invalidate any other reasons why the
// executable file might be covered by the GNU General Public License.

#include <mln/core/image/image2d.hh>
#include <mln/core/alias/neighb2d.hh>
#include <mln/core/site_set/p_array.hh>
#include <mln/data/sort_psites.hh>
#include <mln/data/compare.hh>

#include <mln/debug/println.hh>
#include <mln/core/var.hh>

#include <mln/morpho/tree/data.hh>
#include <mln/morpho/tree/compute_attribute_image.hh>

#include <mln/morpho/attribute/card.hh>
#include <mln/morpho/attribute/volume.hh>


int main()
{
  using namespace mln;

  {
    unsigned char vals[] = { 3, 2, 1,
                             3, 2, 3,
                             3, 4, 1 };

    typedef image2d<unsigned char> I;
    I f = make::image2d(vals);
    debug::println(f);

    typedef p_array<point2d> S;
    S s = data::sort_psites_increasing(f);

    morpho::tree::data<I,S> t(f, s, c4());
    debug::println(t.parent_image());

    {
      morpho::attribute::card<I> a;
      image2d<unsigned> area = morpho::tree::compute_attribute_image(a, t);
      image2d<unsigned> area_bis = morpho::tree::compute_attribute_image_from(a, t, f);
      debug::println(area);
      mln_assertion(area == area_bis);
    }

    {
      morpho::attribute::volume<I> v;
      image2d<unsigned> volume = morpho::tree::compute_attribute_image(v, t);
      image2d<unsigned> volume_bis = morpho::tree::compute_attribute_image_from(v, t, f);
      debug::println(volume);
      mln_assertion(volume == volume_bis);
    }
  }

}