{"version":"1.0","type":"rich","title":"Assignment 2 ","description":"A donut chart displays vehicle registration counts by type, fetched from a CSV via `d3.csv`. Using `d3.pie` and `d3.arc`, it renders SVG slices with proportional labels, a legend with colored swatches, and value formatting via `d3.format`. The chart is positioned with SVG transforms, using ordinal colors for categories.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/7ec86a00f7d9477da2bb0d71dbae1258?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}