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Target Population

✓ Published0🌍 Public
Pporrasgp
Last edited Jun 11, 2021
Created on Jun 4, 2021

This radial tree visualization displays a hierarchical structure of geographic locations, from continents down to cities, with the root node labeled “Target Population.” The layout places the root at the center with descendant nodes radiating outward in concentric rings by depth. Users can pan and zoom the SVG canvas via the d3.zoom interaction, which applies a transformation to the entire graph. The visualization uses D3 v4’s cluster layout algorithm to position nodes, and the data is loaded from a local JSON file with d3.json. Link paths are drawn with cubic Bézier curves between parent and child nodes, and node labels are rotated and anchored based on their angular position.

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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