Alibaba Terminal Technology

Mar 8, 2021 · Frontend Development

How to Solve Subgraph Nesting in Mind‑Map Layouts: From Black‑Room Analogy to Quadrant Reduction

This article explores the technical challenges of implementing subgraph nesting in a mind‑map product, using analogies of small streams and black rooms, analyzes XMind's limitations, defines layout concepts such as type, direction and quadrant, proposes design principles to avoid conflicts, and presents a quadrant‑reduction algorithm with code to ensure consistent, conflict‑free nesting.