https://svn.lrde.epita.fr/svn/oln/trunk/milena/sandbox Index: ChangeLog from Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Add sample code for Etienne and Fabien. * theo/experimental: New directory. * theo/experimental/projected_histo.cc: New. projected_histo.cc | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) Index: theo/experimental/projected_histo.cc --- theo/experimental/projected_histo.cc (revision 0) +++ theo/experimental/projected_histo.cc (revision 0) @@ -0,0 +1,66 @@ +#include <mln/core/var.hh> + +#include <mln/core/image/image1d.hh> +#include <mln/core/image/image2d.hh> +#include <mln/core/image/unproject_image.hh> +#include <mln/fun/v2v/projection.hh> + +#include <mln/core/image/image_if.hh> +#include <mln/pw/value.hh> + +#include <mln/accu/count.hh> +#include <mln/accu/mean.hh> +#include <mln/accu/image/init.hh> +#include <mln/accu/image/take.hh> + +#include <mln/io/pbm/load.hh> +#include <mln/io/pgm/load.hh> +#include <mln/debug/println.hh> + + + +int main() +{ + using namespace mln; + + { + using value::int_u8; + + image2d<int_u8> lena; + io::pgm::load(lena, "../../../img/fly.pgm"); + debug::println(lena); + + typedef accu::mean<int_u8, unsigned, int_u8> A; + + image1d<A> vmean(lena.ncols()); + accu::image::init(vmean); + { + fun::v2v::projection<point2d, 0> vproj; + mln_VAR( vmean_, unproject(vmean, lena.domain(), vproj) ); + accu::image::take(vmean_, lena); + } + debug::println(vmean); + } + + std::cout << std::endl; + + { + + image2d<bool> pic; + io::pbm::load(pic, "../../../img/fly.pbm"); + debug::println(pic); + + typedef accu::count<bool> A; + + image1d<A> h(pic.ncols()); + accu::image::init(h); + { + fun::v2v::projection<point2d, 0> vproj; + mln_VAR( h_, unproject(h, pic.domain(), vproj) ); + accu::image::take(h_, (pic | pw::value(pic))); + } + debug::println(h); + } + + +}