{"version":"1.0","type":"rich","title":"23_Choropleth Map with interactive filtering","description":"This choropleth map displays global economies color-coded by income group, with interactive filtering via a legend that dims non-selected regions and highlights the chosen category. The visualization uses d3.geoPath and d3.geoNaturalEarth1 to render GeoJSON country features from the World Atlas TopoJSON dataset, with a d3.zoom-enabled pan and zoom. A d3.scaleOrdinal with schemeSpectral maps economy values to colors, while clickable legend ticks toggle the filter, updating opacity and stroke via the D3 general update pattern.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/970d0a17c5214da8928f7fab62085485?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}