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119h61a05c9@cvsr.ac.in
Last edited Nov 10, 2025
Created on Nov 10, 2025
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This tree visualization displays a hierarchical dataset of cities organized by continent and country, with population values shown on hover. It loads city data from a CSV URL with automatic fallback to built-in sample data. The implementation uses D3 v7’s `d3.hierarchy`, `d3.tree`, and `d3.linkVertical` to compute and draw the layout, then appends SVG circles and text labels with color-coding by tree depth.

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