{"version":"1.0","type":"rich","title":"Happiness Choropleth Map","description":"This choropleth map visualizes national happiness scores, with each country colored on a sequential blue scale from light to dark based on its reported score. The visualization uses a Mercator projection with graticules and country boundaries, rendering missing data in light gray. Built with React and D3 v5, the map employs `d3.geoMercator`, `d3.geoPath`, and `d3.geoGraticule` to draw the geographic features, while `d3.scaleSequential` with `d3.interpolatePuBu` maps scores to colors. Country codes are joined to happiness data from a CSV file, and geographic boundaries come from World Atlas TopoJSON.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/5926ab28478140f1bc5c2d0f86591ff3?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}