wall-line-extraction

Name: wall-line-extraction
Availability: InStock
Author: wimble

Extract wall lines from LaserScan data into LineSegmentList endpoints.

18|2|Updated Apr 20, 2026

Search Tags:#mapping #ros2 #slam #lines #lidar #wall-line-extraction #line-fitting

Ready to run

npx skills add https://github.com/wimblerobotics/ros2-copilot-skills --skill wall-line-extraction

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: wall-line-extraction
Source: https://github.com/wimblerobotics/ros2-copilot-skills/tree/main/wall-line-extraction
Command: npx skills add https://github.com/wimblerobotics/ros2-copilot-skills --skill wall-line-extraction

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Extracting wall lines from LaserScan data to build clean geometric representations for room boundaries, mapping, and navigation alignment.

Core Features & Use Cases

Recursive Split-and-Merge line fitting for indoor walls.
Hough Transform and RANSAC options for noisy scans.
Outputs LineSegmentList endpoints suitable for map construction and localization.

Quick Start

Pilot with a LaserScan topic to generate wall line segments suitable for building wall maps.

Frequently Asked Questions about wall-line-extraction

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I extract wall lines from LaserScan data for ROS 2 indoor mapping?▼

You can extract wall lines from LaserScan data by applying Split-and-Merge, Hough Transform, or RANSAC line fitting algorithms to generate LineSegmentList endpoints for indoor mapping in ROS 2 environments.

What is the best way to fit lines to noisy lidar scans for room boundary detection?▼

The best way to fit lines to noisy lidar scans is using robust Hough Transform or RANSAC algorithms with tunable thresholds. These methods handle scan noise effectively to produce geometric primitives for room boundary detection.

Does wall line extraction work with ROS 2 for door identification and navigation alignment?▼

Yes, wall line extraction works with ROS 2 for door identification and navigation alignment. It processes LaserScan topics to output LineSegmentList endpoints suitable for constructing maps and localizing boundaries in indoor environments.

How does the Split-and-Merge algorithm work for extracting wall segments?▼

The Split-and-Merge algorithm extracts wall segments by recursively dividing LaserScan point sets until line segments meet specific tunable thresholds. It creates deterministic geometric primitives suitable for building accurate indoor wall maps.

Can I tune the line fitting thresholds for my lidar mapping environment?▼

Yes, you can tune line fitting thresholds for your lidar mapping environment. The Split-and-Merge, Hough Transform, and RANSAC algorithms feature configurable thresholds to adjust geometric primitive extraction based on scan quality.

What are the limitations of using line fitting for indoor SLAM mapping?▼

Limitations of line fitting for indoor SLAM mapping include sensitivity to scan noise and threshold misconfiguration. While Hough Transform and RANSAC offer robustness, highly cluttered environments may produce inaccurate LineSegmentList endpoints for boundary detection.