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nav2_costmap_2d package from navigation2 repo

nav2_amcl nav2_bringup nav2_bt_navigator nav2_common nav2_costmap_2d costmap_queue dwb_controller dwb_core dwb_critics dwb_msgs dwb_plugins nav2_dwb_controller nav_2d_msgs nav_2d_utils nav2_dynamic_params nav2_map_server nav2_mission_executor nav2_motion_primitives nav2_msgs nav2_navfn_planner nav2_robot nav2_simple_navigator nav2_system_tests nav2_tasks nav2_util nav2_voxel_grid nav2_world_model navigation2

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Package Summary

Tags No category tags.
Version 0.1.7
License BSD
Build type AMENT_CMAKE
Use RECOMMENDED

Repository Summary

Checkout URI https://github.com/ros-planning/navigation2.git
VCS Type git
VCS Version crystal-devel
Last Updated 2019-03-13
Dev Status MAINTAINED
Released RELEASED

Package Description

This package provides an implementation of a 2D costmap that takes in sensor data from the world, builds a 2D or 3D occupancy grid of the data (depending on whether a voxel based implementation is used), and inflates costs in a 2D costmap based on the occupancy grid and a user specified inflation radius. This package also provides support for map_server based initialization of a costmap, rolling window based costmaps, and parameter based subscription to and configuration of sensor topics.

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Maintainers

  • Michael Ferguson
  • Aaron Hoy
  • Steve Macenski

Authors

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nav2_costmap_2d/README.md

Nav2 Costmap_2d

The costmap_2d package is responsible for building a 2D costmap of the environment, consisting of several "layers" of data about the environment. It can be initialized via the map server or a local rolling window and updates the layers by taking observations from sensors A plugin interface allows for the layers to be combined into the costmap and finally inflated via a user specified inflation radius. The nav2 version of the costmap_2d package is mostly a direct ROS2 port of the ROS1 navigation stack version, with minimal noteable changes necessary due to support in ROS2.

Overview of Changes from ROS1 Navigation Costmap_2d

Still needs port

Future Plans

  • Conceptually, the costmap_2d model acts as a world model of what is known from the map, sensor, robot pose, etc. We'd like to broaden this world model concept and use costmap's layer concept as motivation for providing a service-style interface to potential clients needing information about the world (see issue https://github.com/ros-planning/navigation2/issues/18)
CHANGELOG

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