PlantUML + Copilot: Visualize Codebases Seamlessly (48 chars

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Presentation introducing how PlantUML works together with GitHub Copilot to visualize codebases and reduce context switching challenges when onboarding new projects. 4–5 slides. Slide 1: The Problem — Developers face context-switch fatigue when joining new projects; large codebases are hard to understand; documentation is missing or outdated. Slide 2: The Idea — Combine PlantUML and Copilot to automatically generate up-to-date diagrams from code, keeping architecture visualization in sync. Slide 3: How It Works — Copilot suggests PlantUML syntax from code; PlantUML renders diagrams in real time; example of class and dependency diagram. Slide 4: Benefits — Faster code comprehension, fewer context switches, improved onboarding, and self-updating documentation. Slide 5: Future Vision — Integration with IDEs, auto sequence diagrams, natural language explanations via Copilot.

Introduces using PlantUML with GitHub Copilot to auto-generate diagrams from code, solving context-switch fatigue in onboarding. Covers problem, workflow, benefits like faster comprehension, and futur

December 17, 20255 slides
Slide 1 of 5

Slide 1 - The Problem

The slide "The Problem" outlines key challenges in software projects: context-switch fatigue when joining new ones. It also highlights difficulties understanding large codebases and missing or outdated documentation.

The Problem

  • Context-switch fatigue when joining new projects
  • Large codebases hard to understand
  • Documentation often missing or outdated
Slide 1 - The Problem
Slide 2 of 5

Slide 2 - The Idea

The idea integrates PlantUML with GitHub Copilot to auto-generate diagrams directly from source code. This keeps architecture visuals up-to-date, syncs them effortlessly with the codebase, and eliminates manual updates.

The Idea

  • Integrate PlantUML with GitHub Copilot
  • Auto-generate diagrams from source code
  • Maintain up-to-date architecture visuals
  • Sync visualizations effortlessly with codebase
  • Eliminate manual diagram updates

Source: Combine PlantUML and GitHub Copilot to auto-generate up-to-date diagrams from code. Keep architecture visualizations in sync with the codebase effortlessly.

Slide 2 - The Idea
Slide 3 of 5

Slide 3 - How It Works

Copilot analyzes selected code to generate PlantUML syntax, which is pasted into a PlantUML editor or VS Code extension for real-time diagram rendering. Users then review the interactive class or dependency diagrams to quickly understand codebase structure without manual diagramming.

How It Works

{ "headers": [ "Step", "Action", "Output" ], "rows": [ [ "1. Copilot Suggests", "Analyzes selected code and generates PlantUML syntax via prompt like 'Generate PlantUML class diagram for this code'", "PlantUML code snippet ready to render" ], [ "2. PlantUML Renders", "Paste syntax into PlantUML editor or VS Code extension", "Real-time interactive diagram visualization" ], [ "3. Gain Insights", "Review generated class or dependency diagrams", "Quick understanding of codebase structure without manual diagramming" ] ] }

Source: PlantUML + GitHub Copilot

Speaker Notes
This slide illustrates the simple 3-step workflow: Copilot generates PlantUML syntax from your code, PlantUML renders it instantly, providing quick visualizations like class and dependency diagrams to reduce context switching.
Slide 3 - How It Works
Slide 4 of 5

Slide 4 - Benefits

This "Benefits" slide features a grid highlighting four key advantages of visual diagrams: faster code comprehension, fewer context switches to reduce mental fatigue, and improved onboarding for new developers. It also emphasizes self-updating documentation that automatically evolves with code changes.

Benefits

{ "features": [ { "icon": "🧠", "heading": "Faster Code Comprehension", "description": "Visual diagrams accelerate understanding of complex codebases instantly." }, { "icon": "⚡", "heading": "Fewer Context Switches", "description": "Minimize mental fatigue when onboarding to new projects." }, { "icon": "🚀", "heading": "Improved Onboarding", "description": "New developers ramp up quickly with clear visuals." }, { "icon": "🔄", "heading": "Self-Updating Documentation", "description": "Diagrams evolve automatically as code changes over time." } ] }

Slide 4 - Benefits
Slide 5 of 5

Slide 5 - Future Vision

The Future Vision slide envisions enhanced diagram tools with deeper IDE integrations for seamless PlantUML rendering and automatic sequence diagrams from code flows. It also features Copilot-driven natural language explanations and smarter, interactive visualizations to minimize context switches.

Future Vision

  • Deeper IDE integrations for seamless PlantUML rendering
  • Automatic sequence diagrams generated from code flows
  • Copilot-driven natural language explanations for diagrams
  • Smarter, interactive visualizations reducing context switches
Slide 5 - Future Vision

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