51 #include <mln/core/image/image2d.hh>
52 #include <mln/core/alias/point2d.hh>
53 #include <mln/core/alias/window2d.hh>
54 #include <mln/core/alias/neighb2d.hh>
56 #include <mln/util/graph.hh>
57 #include <mln/fun/i2v/array.hh>
58 #include <mln/util/site_pair.hh>
59 #include <mln/core/image/edge_image.hh>
61 #include <mln/morpho/line_gradient.hh>
62 #include <mln/morpho/closing/area_on_vertices.hh>
63 #include <mln/morpho/watershed/flooding.hh>
65 #include <mln/value/int_u8.hh>
66 #include <mln/value/int_u16.hh>
67 #include <mln/value/rgb8.hh>
68 #include <mln/literal/black.hh>
69 #include <mln/literal/colors.hh>
71 #include <mln/io/pgm/load.hh>
72 #include <mln/io/ppm/save.hh>
74 #include "tests/data.hh"
88 typedef int_u8 input_val_t;
105 typedef lg_ima_t::nbh_t nbh_t;
118 mln_assertion(nbasins == 46);
129 typedef rgb8 output_val_t;
131 point2d output_pmin = input.domain().pmin();
132 point2d output_pmax(input.domain().pmax()[0] * 2,
133 input.domain().pmax()[1] * 2);
134 output_t output(
box2d(output_pmin, output_pmax));
141 input_val_t v = input(p);
144 output(q) = output_val_t(v, v, v);
147 mln_piter_(output_t) p_out(output.domain());
151 if (p_out[0] % 2 == 0 && p_out[1] % 2 == 1)
152 output(p_out) = (output(p_out +
left) + output(p_out +
right)) / 2;
154 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 0)
155 output(p_out) = (output(p_out +
up) + output(p_out +
down)) / 2;
157 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 1)
162 output(p_out +
dpoint2d(+1, +1))) / 4;
168 mln_piter_(wshed_t) pw(wshed.domain());
173 mln_psite_(lg_ima_t) pp(pw);
175 int row1 = pp.first()[0] * 2;
176 int col1 = pp.first()[1] * 2;
177 int row2 = pp.second()[0] * 2;
178 int col2 = pp.second()[1] * 2;
179 point2d q((row1 + row2) / 2, (col1 + col2) / 2);
181 output(q) = literal::red;
195 if (p_out[0] % 2 == 1 && p_out[1] % 2 == 1)