{"version":"1.0","type":"rich","title":"An interactive D3 map","description":"An interactive D3 map visualizes U.S. airports and their flight routes, with arcs connecting a central hub to various destinations and animated circles marking each airport’s location. The map also displays country boundaries and a Voronoi diagram around airport cells, with hover tooltips revealing flight counts. Using d3.geoPath and geoAlbers projection, it renders SVG shapes from TopoJSON world data and CSV files, with circles animating via transition delays and ease functions.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a31f0eade2f043eab71f018f7415449a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}