Tree diagram loading external json with v4

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Tree diagram loading external json with v4

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Last edited Nov 26, 2019

Created on Jul 31, 2016

This tree diagram visualizes hierarchical data loaded from an external JSON file, using d3.v4’s `d3.tree` layout and `d3.hierarchy` to define parent-child relationships. It renders an SVG with curved link paths and circular node markers, with text labels positioned based on whether a node has children. The code demonstrates the v4 syntax for loading external data via `d3.json` and appending nodes and links to a group element, based on a horizontal tree layout example.

AI-generated description

This is a tree diagram that loads the data for the tree from an external JSON file. It was written with d3.js v4 and is based on the simple horizontal version here

This is designed to be used as part of documenting an update to the book D3 Tips and Tricks to version 4 of d3.js.

mit Licensed

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