Circles on a Map

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Circles on a Map

✓ Published0🌍 Public

Last edited Aug 11, 2020

Created on Aug 11, 2020

This visualization displays the population of countries as circles on a natural Earth projection map, with the area of each circle proportional to the country's 2018 population. It uses d3.geoPath for geographic boundaries and d3.scaleSqrt for sizing circles, while enabling pan and zoom through a zoom event handler. Hovering reveals tooltips with population details via title elements. The visualization sources data from a CSV file merged with TopoJSON geometries, rendering through d3 and SVG, and includes a custom size legend with tick marks for population values.

AI-generated description

Visualizing population by country using circles on a map! The area of each circle corresponds to the population of the country it represents. You can also pan & zoom, and hover over each country for more information.

MIT Licensed

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