[Olena-patches] 3012: Test watershed over attribute.

https://svn.lrde.epita.fr/svn/oln/trunk/milena/sandbox Index: ChangeLog from Ugo Jardonnet &lt;ugo.jardonnet(a)lrde.epita.fr&gt; Test watershed over attribute. * jardonnet/n_cmpt/test_attribute_watershed.cc: Here. test_attribute_watershed.cc | 79 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) Index: jardonnet/n_cmpt/test_attribute_watershed.cc --- jardonnet/n_cmpt/test_attribute_watershed.cc (revision 0) +++ jardonnet/n_cmpt/test_attribute_watershed.cc (revision 0) @@ -0,0 +1,79 @@ + +#include <iostream> + +//#include <mln/core/site_set/p_array.hh> + +#include <mln/core/image/image2d.hh> +#include <mln/core/alias/neighb2d.hh> +#include <mln/value/int_u8.hh> + +#include <mln/morpho/meyer_wst.hh> + +#include <mln/accu/volume.hh> +#include <mln/morpho/tree/data.hh> +#include <mln/morpho/tree/compute_attribute_image.hh> + +#include <mln/morpho/closing_volume.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/debug/println.hh> + +#include <mln/literal/colors.hh> + +using namespace mln; +using namespace mln::value; + +bool usage(int argc, char ** argv) +{ + if (argc != 2) + { + std::cout << argv[0] << " ima.pgm" << std::endl; + return false; + } + return true; +} + +int main(int argc, char ** argv) +{ + if (not usage(argc,argv)) + return 1; + + typedef image2d<int_u8> I; + I ima; + io::pgm::load(ima, argv[1]); + + // compute volume image + typedef p_array<mln_psite_(I)> S; + typedef mln_ch_value_(I,unsigned) V; + typedef accu::volume<I> A; + + S sp = level::sort_psites_decreasing(ima); + morpho::tree::data<I,S> t(ima, sp, c4()); + V volume = morpho::tree::compute_attribute_image(A(), t); + + std::cout << "/volume/" << std::endl; + //debug::println(volume); + + // volume closing + + image2d<unsigned> volume_ = morpho::closing_volume(volume, c4(), 500); + + // watershed on volume + int_u16 nbasins = 0; + image2d<int_u16> ws = + morpho::meyer_wst(volume_, c4(), nbasins); + + image2d<rgb8> out(ima.domain()); + mln_piter_(image2d<int_u8>) pp(ws.domain()); + for_all(pp) + { + if (ws(pp) == 0u) + out(pp) = literal::red; + else + out(pp) = rgb8(ima(pp),ima(pp),ima(pp)); + } + + io::ppm::save(out, "out.ppm"); +}