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Fork of Coronavirus Deaths by Country over Time (with Voronoi Hover)

✓ Published0🌍 Public
MMaciek Sitkowski
Last edited Oct 23, 2021
Created on Oct 23, 2021

This chart tracks cumulative COVID-19 deaths by country over time on a logarithmic scale, using data from the Johns Hopkins Coronavirus Dataset. Each grey line represents a country’s death trajectory, and hovering over a data point via a Voronoi overlay highlights the corresponding country’s full series in black while displaying a tooltip with the exact date and death count. The visualization is built with React and D3 v5, employing `d3.scaleLog`, `d3.line`, and `d3.Delaunay` from the d3-delaunay library to enable smooth hover interactions across the SVG-rendered paths.

AI-generated description

Line chart of Coronavirus cases to date, by country. Data from Johns Hopkins Coronavirus Dataset.

Hover to see details and illuminate lines.

MIT Licensed

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