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World Countries Tree

✓ Published0🌍 Public
MMaciek Sitkowski
Last edited Sep 17, 2020
Created on Sep 17, 2020
Forked from Blank Canvas

This visualization shows the hierarchical structure of world countries organized by continent and subregion, with each country labeled as a leaf node in a tidy tree layout. The tree radiates horizontally from a root node, with font sizes decreasing at deeper levels and country names displayed after their parent regions. Using D3 v5, the implementation applies `d3.tree()` and `d3.hierarchy()` to compute node positions, `d3.linkHorizontal()` to generate curved link paths, and SVG rendering with pan-and-zoom support via `d3.zoom()`. The data comes from a pre-structured JSON file, and text elements include a glow effect via CSS `text-shadow` for readability.

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MIT Licensed

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