FMI Census Analysis
This example displays a choropleth map of Portugal using the Datamaps library, with a Mercator projection centered on the country. It renders census data as color-coded geography within a fixed 300×600 pixel container, using the `datamaps.prt.js` module for country-specific boundaries. The map loads topojson data from `prt.json` and relies on D3.js v3 for its underlying projection and path generation via `d3.geo.mercator()` and `d3.geo.path()`. The visualization focuses on geographic distribution rather than interactive features, presenting the data as a static regional overview.
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forked from <a href='http://bl.ocks.org/MatteoTomassetti/'>MatteoTomassetti</a>'s block: <a href='http://bl.ocks.org/MatteoTomassetti/ec585852b2e062860ca2'>Portugal map</a>