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Radial Tree of Countries Hierarchy

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Aanon19928484
Last edited Oct 23, 2020
Created on Oct 23, 2020

This radial tree visualization displays the hierarchical relationships between world regions, subregions, and individual countries, using D3.js v4's `d3.cluster` layout algorithm to position nodes in concentric circles. The visualization shows the geographic classification of countries, with Asia expanded to reveal its subregions and member states. Rendering as an SVG, the visualization uses `d3.hierarchy` to process the JSON data structure, `d3.zoom` for panning and zooming interactions, and `d3.scaleSqrt` to determine font sizes based on tree depth. Text labels are rotated according to their angular position, with higher-level nodes kept horizontal for readability.

AI-generated description

Radial Tree Visualization of Countries Hierarchy. Has Panning and Zooming interaction.

Adapted from Curran Kelleher’s Block "World Countries Hierarchy".

MIT Licensed

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