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✓ Published0🌍 Public
VVinodLouis
Last edited Jul 12, 2018
Created on Jul 12, 2018

A radial bullseye chart displays ten concentric priority levels across four quarterly quadrants, with each arc segment colored by its quadrant using an RGB blue scale. The visualization uses D3 v4’s `d3.arc` generator to compute SVG path geometries from angular and radial ranges. A draggable circle, positioned via `d3.drag`, moves over the arcs and highlights the segment beneath the pointer by changing its fill to red, demonstrating interactive hit-testing through DOM element lookup.

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