{"version":"1.0","type":"rich","title":"Choropleth Map","description":"This choropleth map colors world countries by income group using an ordinal color scale with a spectral scheme. The visualization supports pan and zoom interactions through d3.zoom, while d3.geoPath and a Natural Earth projection render the geographic shapes. A custom color legend component displays the categorical colors with labeled circles. Country names and income groups appear as tooltips via SVG title elements, with data loaded from the world-atlas TopoJSON and TSV files.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/37438f436df64c16af29d0c6c2492392?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}