{"version":"1.0","type":"rich","title":"Choropleth Map Interactivty selection","description":"This example demonstrates interactive filtering on a choropleth map of world economies, where clicking a color legend entry highlights matching countries and dims all others. Built with D3 v5, it renders GeoJSON features via `d3.geoMercator` and `d3.geoPath` in an SVG, with zoom support from `d3.zoom`. The legend uses `d3.scaleOrdinal` with `schemeSpectral`, and the map’s country opacity and stroke change in response to the selected value, sourced from the World Atlas TopoJSON dataset.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/94872648361040428830f5be976ca6b3?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}