{"version":"1.0","type":"rich","title":"Choropleth map","description":"A choropleth map colors world countries by income group using an ordinal color scale with a spectral scheme. The visualization renders geographic boundaries via TopoJSON data and the d3.geoPath projection, with a legend displaying color categories. Interactive zooming is enabled through d3.zoom, and hovering highlights individual countries. Data comes from the world-atlas and visionscarto-world-atlas packages.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/049f2ede7f734ddb85a6c53f4b9e933e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}