8 #ifndef cost_map_visualisations_OCCUPANCY_GRID_HPP_     9 #define cost_map_visualisations_OCCUPANCY_GRID_HPP_    15 #include <cost_map_msgs/CostMap.h> 
void _costMapCallback(const cost_map_msgs::CostMap::ConstPtr &msg)
Tunes into a cost map publisher and relays it as an Occupancy Grid. 
std::map< std::string, ros::Publisher > publishers_
ros::Subscriber subscriber_