{"version":"1.0","type":"rich","title":"first_step_D3.js_Master","description":"This example shows a world map colored by each country’s economy classification, using a natural Earth projection rendered as SVG. Users can pan and zoom the map via d3.zoom. The visualization loads TopoJSON and TSV data from the world-atlas package, joins them by ISO country codes, and maps economy values to a d3.scaleOrdinal with a d3.schemeSpectral range. Countries display tooltips with their names on hover.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a2f6353ce67d4e1fb77e155e7c349bcd?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}