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map exemple

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JJuliette
Last edited Oct 3, 2022
Created on Oct 3, 2022
Forked from map exemple

This map example visualizes global population estimates by country using a dark red color scale. The code loads geographic data from the world-atlas package and joins it with a TSV file containing population statistics. The visualization uses the d3.geoMercator projection and d3.geoPath to render country boundaries as SVG paths, while the topojson library converts the GeoJSON features. Hovering over a country turns it purple, and the map supports zooming through d3.zoom and event handling.

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map

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map exemple

This choropleth map displays global population estimates, with countries shaded from light red to dark red according to their population size. The visualization uses `d3.geoMercator` for projection and `d3.geoPath` to render country boundaries from TopoJSON data loaded via `d3.json`, while population values come from a TSV file loaded with `d3.tsv` and mapped to colors using `d3.scaleLinear`. The map supports pan and zoom interactions through `d3.zoom`, and hover effects are styled with CSS.

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