World Countries Hierarchy

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World Countries Hierarchy

✓ Published1🌍 Public

Last edited Jul 28, 2021

Created on Jul 28, 2021

This visualization displays the hierarchical relationships between world regions, subregions, and countries using a horizontal tree layout. The data is structured as a nested JSON hierarchy, with nodes representing continents, regions, and individual nations. The code uses D3 v7’s `tree()` layout and `linkHorizontal()` generator to position and draw the connecting paths, while node labels are rendered as SVG text elements with sizes scaled by node depth. A zoom behavior is applied to the SVG container for panning and scaling.

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MIT Licensed

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