{"version":"1.0","type":"rich","title":"Fork of GeoVisualization - Choropleth map of the world","description":"This choropleth map of the world visualizes population by country using a threshold color scale, with dark blue representing higher populations. The map renders in SVG and responds to mouse-over and mouse-leave events by adjusting the opacity of all countries and highlighting the hovered one with a black stroke. The code loads GeoJSON boundaries and CSV population data via `Promise.all`, projects the paths using `d3.geoPath` with a Mercator projection, and colors each country through `d3.scaleThreshold` and `d3.schemeBlues`. Interactions are handled with D3 transitions for smooth visual feedback.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/4c5e917e9ccc4b69b8bb058c074c7e69?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}