World Countries Tree

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World Countries Tree

✓ Published2🌍 Public

Last edited Feb 20, 2019

Created on Feb 20, 2019

This interactive tree diagram visualizes the hierarchical structure of world countries, organized by continent and subregion. Using D3.js v5, the visualization employs a horizontal tree layout with SVG rendering. The code leverages D3's `tree`, `hierarchy`, and `linkHorizontal` APIs to compute the layout and generate connecting paths. User interaction is supported through D3's `zoom` event, which applies pan and zoom transformations to the entire group. Text labels display country names, with font size decreasing by depth level, while the data source is a JSON file containing the geographical hierarchy.

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MIT Licensed

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