Experiments with Rotating Nested Circles

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Experiments with Rotating Nested Circles

✓ Published0🌍 Public

Last edited Sep 3, 2026

Created on Sep 2, 2026

Forked from Black & White Nested Circles

This visualization renders a hierarchical JSON dataset as 300 rotating, nested circles that are projected onto the screen using a custom 3D-to-2D perspective transform with a tilt angle. The circles, representing packed hierarchy nodes via `d3.hierarchy` and `d3.pack`, are drawn as SVG ellipse paths, with each layer rotated slightly to create a depth illusion. Vivid colors highlight specific depth-2 nodes and their descendants, which are computed by sorting and filtering the pack layout. The rendering uses plain SVG with `createElementNS` and D3's array methods.

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