Fork of React & D3 Starter

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Fork of React & D3 Starter

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Last edited Nov 5, 2025

Created on Nov 5, 2025

This example presents a three-generation family tree as a static dendrogram, with each generation distinguished by a unique node shape and color. It uses D3’s hierarchy and tree layout algorithms to position nodes, while SVG paths draw the connecting links. The code leverages D3 v7 APIs such as `d3.select`, `d3.hierarchy`, `d3.tree`, `linkVertical`, and the `join` operator to build the visualization. A legend clarifies the shape-to-generation mapping, and the SVG is rendered directly in an HTML file with hardcoded family data.

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