Explain ROS 2 map YAML metadata and occupancy-image encoding rules.
npx skills add https://github.com/wimblerobotics/ros2-copilot-skills --skill map-formats
Please help me install this Agent Skill. Skill: map-formats Source: https://github.com/wimblerobotics/ros2-copilot-skills/tree/main/map-formats Command: npx skills add https://github.com/wimblerobotics/ros2-copilot-skills --skill map-formats
Understand ROS 2 map formats and how to interpret YAML metadata paired with grayscale occupancy images, enabling reliable map usage across navigation stacks.
Explain how to interpret a ROS 2 map YAML alongside its image and determine the proper occupancy encoding.
High-intent search queries and answers about installing and using this skill.
A ROS 2 map YAML file defines occupancy grid metadata using keys like image, resolution, origin, negate, occupied_thresh, and free_thresh, which map pixel values in paired PGM or PNG images to occupancy states.
In a ROS 2 occupancy grid, occupied_thresh and free_thresh are YAML parameters that define the pixel intensity cutoffs determining whether grayscale image pixels represent occupied, free, or unknown space.
The mode parameter in ROS 2 map YAML selects between trinary, scale, and raw interpretation, controlling how grayscale pixel values in PGM or PNG images are converted into occupancy probabilities.
SLAM Toolbox serialized maps can be used with ROS 2 navigation stacks by correctly pairing the YAML metadata with PGM or PNG occupancy images and applying the proper interpretation mode.
PGM and PNG are both supported image formats for ROS 2 occupancy grids, storing grayscale pixel values that the map server interprets based on the YAML configuration's negate and threshold parameters.
Incorrect obstacle representation in ROS 2 navigation maps often stems from misconfigured YAML parameters such as occupied_thresh, free_thresh, or the negate flag, which invert or misinterpret grayscale occupancy pixel values.
wimbleroboticsConfigure SLAM Toolbox online synchronous mode for real-time SLAM tasks.
wimbleroboticsOrchestrate per-floor occupancy grids, map switching, and AMCL re-localization for multi-floor navigation.
wimbleroboticsConfigure Nav2 map_saver to persist occupancy grids to YAML and image files.
wimbleroboticsAbstract hardware interfaces behind ROS 2 for interchangeable driver nodes.
