{"version":"1.0","type":"rich","title":"World Map with City Points Sized","description":"A world map with city points sized by population. The visualization uses a natural Earth projection with graticules and land boundaries rendered as SVG paths. City populations are scaled using a square root scale, mapping to circle radii with a maximum of 15 pixels. The chart is built with React, D3 v5's `geoNaturalEarth1`, `geoPath`, and `geoGraticule`, and loads city data as CSV and world atlas topology JSON.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/40248035b2e5420685dadbc9e799b83b?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}