TP4 suite (TP5)
A choropleth map of France displays the incidence of influenza across metropolitan regions for the 2014 season, using a green sequential color scale to encode the total weekly case counts. A slider allows the user to switch between different aggregated time periods, with a tooltip revealing each region’s name and value on hover. The visualization is built with D3 v3 and TopoJSON, using `d3.geo.conicConformal` for projection, `d3.geo.path` for rendering, and `d3.scale.quantize` for color mapping, while loading regional data from a CSV file and geographic boundaries from a US states JSON.
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forked from <a href='http://bl.ocks.org/aurelient/'>aurelient</a>'s block: <a href='http://bl.ocks.org/aurelient/28e33c4fc0e1944df0ea72fe554b490c'></a>
forked from <a href='http://bl.ocks.org/Rastignac/'>Rastignac</a>'s block: <a href='http://bl.ocks.org/Rastignac/57e78b4de101188630cc2e3f8ec76ecb'>TP4</a>
forked from <a href='http://bl.ocks.org/Rastignac/'>Rastignac</a>'s block: <a href='http://bl.ocks.org/Rastignac/cf714b12a2c8bbee9c407bad6fe229a1'>TP4</a>
forked from <a href='http://bl.ocks.org/Rastignac/'>Rastignac</a>'s block: <a href='http://bl.ocks.org/Rastignac/6051effdf252ce790258cd85627b3c71'>TP4 suite (TP5)</a>