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Chapter 11: Building ROS 2 Packages

Learning Objectives​

By the end of this section, you will be able to:

  • Understand ROS 2 package structure and organization
  • Create ROS 2 packages using ament build system
  • Configure dependencies and setup files
  • Write executable ROS 2 nodes
  • Test and debug your packages
  • Follow best practices for package development

Status: In Progress​

This section is being created by the technical writing sub-agent. Expected delivery: December 12, 2025.

Research Phase: Input from robotics_researcher - Task 1.3 Details

Coming Soon​

This section will cover:

  • Package Structure: Directories, files, and organization
  • package.xml Configuration: Metadata and dependencies
  • setup.py and setup.cfg: Python package configuration
  • The Ament Build System: How ROS 2 builds and packages code
  • Creating Your First Package: Step-by-step walkthrough
  • Dependencies Management: Declaring and resolving dependencies
  • Building and Testing: Compilation, execution, and verification
  • Best Practices: Organization, naming, and documentation

Code Examples Included:

  • Complete package template
  • Various package.xml configurations
  • setup.py examples
  • Executable node examples
  • Test suite examples

Placeholder: Content Structure​

## Introduction
Why packages matter for large robotics projects

## Package Fundamentals
What makes a valid ROS 2 package

## Directory Structure
Recommended organization patterns

## package.xml Reference
All configuration options explained

## setup.py Configuration
Python package metadata

## The Ament Build System
How colcon and ament work together

## Creating Your First Package
Step-by-step guide with examples

## Testing Your Package
Verification and debugging

## Best Practices
Professional package development

## Key Takeaways
Summary and reflection

Previous: 2.2 Nodes and Communication Patterns
Next: 2.4 Launch Files and Parameters