D3.js Circle with Dots and Names

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D3.js Circle with Dots and Names

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Last edited May 25, 2023

Created on May 24, 2023

This example visualizes protein contact data by arranging 233 dots in a circular layout around a central point, representing residues from a PDB structure. Each dot is positioned using trigonometric calculations with fixed angle increments, and amino acid names are labeled when the dot index matches the residue number from the JSON input. The visualization uses D3.js v4 with SVG elements, appending circles and text nodes via the `d3.json` callback, `.selectAll()`, and `.enter()` patterns. Data originates from a `data.json` file containing interaction pairs with residue identifiers and symmetry operators.

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