{"version":"1.0","type":"rich","title":"Niharika Piechart","description":"This pie chart visualizes BMW car sales distribution by model, with each slice showing the total sales volume for a specific model. The chart renders as SVG using D3.js, with labels positioned around the outer arc showing each category’s percentage share. Data comes from a CSV file loaded via `d3.csv`, aggregated with `d3.rollup`, and visualized using `d3.pie` and `d3.arc`. A color legend and interactive tooltips are also included.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1509869b6da144048972b001ce50f7f8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}