{"version":"1.0","type":"rich","title":"Refactored Bar Chart","description":"A horizontal bar chart displays the top 10 countries by population for 2020, using UN population data loaded via D3's `csv` utility. The React app renders SVG rectangles through the `Marks` component, with scales from `d3.scaleBand` and `d3.scaleLinear` positioning bars and axes. Reusable `AxisBottom` and `AxisLeft` components generate tick marks and labels. The chart is built with React 16.9, D3 v7, and SVG rendering, isolating data-loading logic in a custom `useData` hook.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f6d669ec6da44b69aa04855e0f3ffd45?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}