backwards_compatibility.cpp

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#include <dwb_local_planner/backwards_compatibility.h>
#include <nav_2d_utils/parameters.h>
#include <string>
#include <vector>
 
namespace dwb_local_planner
{
 
using nav_2d_utils::moveParameter;
 
std::string getBackwardsCompatibleDefaultGenerator(const ros::NodeHandle& nh)
{
  bool use_dwa;
  nh.param("use_dwa", use_dwa, true);
  if (use_dwa)
  {
    return "dwb_plugins::LimitedAccelGenerator";
  }
  else
  {
    return "dwb_plugins::StandardTrajectoryGenerator";
  }
}
 
void loadBackwardsCompatibleParameters(const ros::NodeHandle& nh)
{
  std::vector<std::string> critic_names;
  ROS_INFO_NAMED("DWBLocalPlanner", "No critics configured! Using the default set.");
  critic_names.push_back("RotateToGoal");       // discards trajectories that move forward when already at goal
  critic_names.push_back("Oscillation");        // discards oscillating motions (assisgns cost -1)
  critic_names.push_back("ObstacleFootprint");  // discards trajectories that move into obstacles
  critic_names.push_back("GoalAlign");          // prefers trajectories that make the nose go towards (local) nose goal
  critic_names.push_back("PathAlign");          // prefers trajectories that keep the robot nose on nose path
  critic_names.push_back("PathDist");           // prefers trajectories on global path
  critic_names.push_back("GoalDist");           // prefers trajectories that go towards (local) goal,
                                                //         based on wave propagation
  nh.setParam("critics", critic_names);
  moveParameter(nh, "path_distance_bias", "PathAlign/scale", 32.0, false);
  moveParameter(nh, "goal_distance_bias", "GoalAlign/scale", 24.0, false);
  moveParameter(nh, "path_distance_bias", "PathDist/scale", 32.0);
  moveParameter(nh, "goal_distance_bias", "GoalDist/scale", 24.0);
  moveParameter(nh, "occdist_scale",      "ObstacleFootprint/scale", 0.01);
 
  moveParameter(nh, "max_scaling_factor", "ObstacleFootprint/max_scaling_factor", 0.2);
  moveParameter(nh, "scaling_speed",      "ObstacleFootprint/scaling_speed", 0.25);
}
 
}  // namespace dwb_local_planner