{"version":"1.0","type":"rich","title":"Map with Selectable Countries","description":"A choropleth map displays countries color-coded by economy using D3's `geoNaturalEarth1` projection and `geoPath`. Users click countries to select them, which highlights the chosen nation while dimming others; clicking again deselects. A color legend using `scaleOrdinal` with `schemeSpectral` allows filtering by income group. Data loads from world-atlas TSV and TopoJSON files, with SVG rendering supporting zoom interactions via D3's `zoom` event.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/207c66e736e74d69a44975b5f46fd08a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}