D3.js collapsible tree with boxes

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D3.js collapsible tree with boxes

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Last edited Nov 4, 2020

Created on Nov 4, 2020

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This is a radial collapsible tree visualization built with D3.js v3, displaying a hierarchical dataset of High Conservation Value Areas (HCVAs) in Sikkim. The tree branches outward from a central root node, with circular node markers and text labels arranged in a circular layout. The visualization uses `d3.layout.tree` and `d3.svg.diagonal.radial` to position nodes and draw connecting links, with node positions computed via rotational transforms. The dataset is loaded from a JSON file using `d3.json`, and the layout supports hierarchical nesting up to three levels.

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