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Simple Tree Diagram - Horizontal

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Aandrew-reid
Last edited Jul 14, 2017
Created on May 17, 2017

A horizontal tree diagram displays a simple hierarchical dataset with a root "Parent" node leading to two children, one of which branches to a grandchild. The visualization uses D3 v4's `d3.hierarchy` and `d3.tree` layouts, rendering nodes as SVG circles and links as horizontal paths via `d3.linkHorizontal`. Node and link styling is set through CSS classes, with text labels positioned above each circle. The data is embedded directly in the code as a JavaScript object.

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