Collapsible Tree Example

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Collapsible Tree Example

✓ Published0🌍 Public

Last edited Oct 19, 2018

Created on Oct 16, 2018

The collapsible tree example displays a mouse pedigree hierarchy as an interactive SVG visualization. Users enter a mouse ID to view its ancestry, with the tree structure showing parent-child relationships through collapsible nodes. The visualization uses D3 v3’s `d3.layout.tree` for the hierarchy layout and `d3.svg.diagonal` for the connecting links. Node circles are styled with steelblue strokes, and internal nodes have text shadows for legibility. The code loads data from a JSON file (`result2_parent_child.json`) and a CSV file (`colony2_updated.csv`), which provide the parent–child pairs and mate information respectively. Family mates are rendered as ellipses beside the tree, and the view clears and rebuilds on each new search.

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