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Tidy Tree | Vis each* d3-hierarchy methods

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663anp3ca
Last edited Oct 31, 2018
Created on Oct 31, 2018

This example visualizes the Flare class hierarchy as a tidy tree using the d3.tree layout, with nodes colored by value and links drawn as smooth curves. The demo highlights three d3-hierarchy traversal methods—`each`, `eachAfter`, and `eachBefore`—by animating the tree nodes to flash in breadth-first, post-order, and pre-order sequences respectively, controlled via buttons. The layout positions leaf nodes by their distance from the root, and the animation visually distinguishes the order in which nodes are visited by each traversal, making the differences between the methods immediately apparent. Rendered in SVG with smooth transitions, the visualization is a clear, interactive reference for understanding these core d3-hierarchy iteration patterns.

AI-generated description

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/4339184'>Tidy Tree</a>

I forked this simple tree example to demonstrate the very helpful set of each*

traversal methods in d3-hierarchy.

<hr/>

original readme.md

The d3.tree layout implements the Reingold-Tilford algorithm for efficient, tidy arrangement of layered nodes. The depth of nodes is computed by distance from the root, leading to a ragged appearance. Radial orientations are also supported. Implementation based on work by Jeff Heer and Jason Davies using Buchheim et al.’s linear-time variant of the Reingold-Tilford algorithm. Data shows the Flare class hierarchy, also courtesy Jeff Heer.

Compare to this radial layout.

forked from <a href='http://bl.ocks.org/timelyportfolio/'>timelyportfolio</a>'s block: <a href='http://bl.ocks.org/timelyportfolio/65884de225c20d4db6a9539d2771427b'>Tidy Tree | Vis each* d3-hierarchy methods</a>

gpl-3.0 Licensed

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