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cadguide.tools

Posted on Originally published at chanzong.space

Digitizing Ancient Zen Wisdom: Building an Interactive D3.js Knowledge Graph with Next.js 14

#webdev #javascript #nextjs #opensource

Digitizing Ancient Zen Wisdom: Building an Interactive D3.js Knowledge Graph with Next.js 14

Preserving and exploring classical philosophy in the modern digital age requires more than static text files. For the global Zen (Chan) Buddhist canon—encompassing over a thousand years of lineage masters, koans, and foundational sutras—navigating these interconnected teachings demands intuitive, multi-dimensional relational architecture.

In this project, we architected chanzong.space (禅宗知识库), an open-access digital knowledge network featuring a real-time D3.js interactive relationship graph, full-text translations, and offline PWA support.

1. Architectural Highlights

  • Framework: Next.js 14 App Router + React 18 + TypeScript + Tailwind CSS.
  • Relational Graph: Rendered via D3.js v7 SVG force-directed simulation, linking Masters (祖师), Classics (典籍), Concepts (概念), and Koans (公案机锋).
  • Curated Classics: Over 40 foundational texts (including Platform Sutra / 六祖坛经, Blue Cliff Record / 碧岩录, and Eight Verses on the Eight Consciousnesses / 八识规矩颂), cleaned of OCR artifacts with bespoke modern vernacular annotations.
  • PWA & Offline First: Service Worker caching strategy ensuring monks, scholars, and practitioners can study classical texts offline anywhere.

2. Graph Force Simulation & Interactive Interlinking

One key challenge was preventing graph jitter while maintaining responsive routing upon node clicks. We solved this by freezing the D3 simulation after 3 seconds of settling:

// Sample force simulation freeze
const simulation = d3.forceSimulation(nodes)
  .force('link', d3.forceLink(links).id((d: any) => d.id).distance(80))
  .force('charge', d3.forceManyBody().strength(-250))
  .force('center', d3.forceCenter(width / 2, height / 2));

setTimeout(() => {
  simulation.stop();
}, 3000);
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Every entity card in the knowledge base is interconnected—navigating from a master like Huineng (惠能) dynamically points to his related concepts, lineage predecessors, and recorded teachings.

3. Open Source & Live Project

The complete canon and codebase is public and freely accessible:

We welcome digital humanities researchers, developers, and practitioners to explore the digital canon!

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