fresh block

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Last edited Jun 12, 2018

Created on Jun 12, 2018

This interactive circle-packing visualization displays a hierarchical dataset from flare.json, using nested bubbles to represent categories and their relative sizes. The view begins with a zoomed-out root node and supports click-to-zoom transitions between hierarchy levels, with labels fading in for parent nodes. Built with D3 v4, it uses the `d3.pack` layout, `d3.hierarchy` for tree traversal, and `d3.interpolateZoom` for smooth zoom animations. Circle fills follow a linear color scale applied by depth, while SVG rendering and CSS hover effects highlight nodes. The root background shifts to a warm hue, and clicking anywhere resets the view.

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