00001 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #include <mln/core/image/image2d.hh> 00027 #include <mln/transform/hough.hh> 00028 #include <mln/make/image.hh> 00029 00030 int main() 00031 { 00032 using namespace mln; 00033 00034 bool values[][5] = { { 0, 0, 0, 0, 0 }, 00035 { 1, 0, 0, 0, 0 }, 00036 { 0, 1, 1, 1, 0 }, 00037 { 0, 0, 0, 0, 1 }, 00038 { 0, 0, 0, 0, 0 } }; 00039 00040 image2d<bool> ima = make::image(values); 00041 00042 image2d<float> hough = transform::hough(ima); 00043 00044 point2d max_p(0,0); 00045 mln_piter_(image2d<float>) p(hough.domain()); 00046 for_all(p) 00047 if (hough(max_p) < hough(p)) 00048 max_p = p; 00049 00050 // Checking angle value. 00051 mln_assertion(max_p.row() == 155); 00052 }