{"version":"1.0","type":"rich","title":"Choropleth Map","description":"A choropleth map visualizes epidemic risk class by country, using color to indicate risk levels from low to very high. Drawn with d3.geoPath and a natural Earth projection, the map supports pan and zoom, with hover tooltips displaying country, risk class, and rank. Data comes from a CSV file joined with world-atlas TopoJSON. A legend uses d3.scaleOrdinal and the RdPu color scheme to explain the ordinal classes.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3c489e1e670f42fcbba88ea6ccb7e85b?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}