Programming_tree

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Programming_tree

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Last edited Nov 10, 2025

Created on Nov 10, 2025

This example shows a hierarchical tree visualization of programming language evolution, organizing languages into paradigm families and tracking their development across four generations. The tree layout uses D3 v7’s tree layout to position nodes and SVG paths to draw links between parent and child nodes. Each node is rendered as a circle with a text label, with node colors mapped to generation metadata through a custom color scale defined in the code. The visualization includes a legend and uses D3’s select, enter, and append methods to construct the SVG elements dynamically.

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