D3 Selection Exploration

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D3 Selection Exploration

✓ Published1🌍 Public

Last edited May 18, 2023

Created on May 17, 2023

This animation demonstrates D3’s data-join pattern by continuously updating a series of colored circles and connecting lines. Each frame, `setInterval` regenerates data with changing positions, radii, and counts, while `selection.data().join()` efficiently creates or updates circles and lines. The SVG uses `selectAll` and `enter/update/exit` behavior, with colors assigned cyclically via a helper function. The example highlights D3’s declarative binding of data to visual elements, using the `vizData` function to apply dynamic geometry and stroke styles.

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