00001 /* 00002 * Copyright (c) 2008, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 * 00029 */ 00030 00039 #ifndef EXPLORE_2D_EXPLORATION_H 00040 #define EXPLORE_2D_EXPLORATION_H 00041 00042 #include <nav_msgs/OccupancyGrid.h> 00043 00044 namespace explore_2d 00045 { 00046 00048 struct ExplorerParams 00049 { 00050 ExplorerParams (double radius) : 00051 robot_radius(radius) 00052 {} 00053 00054 double robot_radius; 00055 }; 00056 00057 00059 class Explorer 00060 { 00061 public: 00062 00064 Explorer(const ExplorerParams& params); 00065 00067 void updateOccupancyGrid (const nav_msgs::OccupancyGrid& grid); 00068 00070 geometry_msgs::Pose nextNavGoal (); 00071 00072 00073 private: 00074 00075 const ExplorerParams params_; 00076 00077 nav_msgs::OccupancyGrid::ConstPtr inflated_grid_; 00078 00079 }; 00080 00081 } // namespace 00082 00083 #endif // include guard