{"version":"1.0","type":"rich","title":"D3.js Step by Step: Step 5 - Adding Tooltips","description":"This donut chart visualizes aggravated assault counts by state using the FBI’s estimated_crimes.csv dataset, with each slice colored by year via `d3.scale.category20b()`. Hovering over a slice triggers a tooltip that displays the state name, assault count, and a calculated percentage, using `d3.svg.arc`, `d3.layout.pie`, and mouseover events. The SVG chart includes a legend and fixed dimensions, with tooltips styled as absolutely positioned HTML divs.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e6650a783bde45a1bc66f79494d91ba8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}