speed_filter.hpp

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 * Author: Alexey Merzlyakov
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#ifndef NAV2_COSTMAP_2D__COSTMAP_FILTERS__SPEED_FILTER_HPP_
#define NAV2_COSTMAP_2D__COSTMAP_FILTERS__SPEED_FILTER_HPP_
 
#include <memory>
#include <string>
 
#include "nav2_costmap_2d/costmap_filters/costmap_filter.hpp"
 
#include "nav2_msgs/msg/costmap_filter_info.hpp"
#include "nav2_msgs/msg/speed_limit.hpp"
 
namespace nav2_costmap_2d
{
class SpeedFilter : public CostmapFilter
{
public:
  SpeedFilter();
 
  void initializeFilter(
    const std::string & filter_info_topic);
 
  void process(
    nav2_costmap_2d::Costmap2D & master_grid,
    int min_i, int min_j, int max_i, int max_j,
    const geometry_msgs::msg::Pose2D & pose);
 
  void resetFilter();
 
  bool isActive();
 
private:
  void filterInfoCallback(const nav2_msgs::msg::CostmapFilterInfo::SharedPtr msg);
  void maskCallback(const nav_msgs::msg::OccupancyGrid::SharedPtr msg);
 
  rclcpp::Subscription<nav2_msgs::msg::CostmapFilterInfo>::SharedPtr filter_info_sub_;
  rclcpp::Subscription<nav_msgs::msg::OccupancyGrid>::SharedPtr mask_sub_;
 
  rclcpp_lifecycle::LifecyclePublisher<nav2_msgs::msg::SpeedLimit>::SharedPtr speed_limit_pub_;
 
  nav_msgs::msg::OccupancyGrid::SharedPtr filter_mask_;
 
  std::string mask_frame_;  // Frame where mask located in
  std::string global_frame_;  // Frame of currnet layer (master_grid)
 
  double base_, multiplier_;
  bool percentage_;
  double speed_limit_, speed_limit_prev_;
};
 
}  // namespace nav2_costmap_2d
 
#endif  // NAV2_COSTMAP_2D__COSTMAP_FILTERS__SPEED_FILTER_HPP_