{"version":"1.0","type":"rich","title":"Assignment2_1","description":"This example shows the population distribution of countries as a pie chart, with each slice labeled by country in a legend beside the chart. The visualization uses D3 v7 to load CSV data from a GitHub gist, compute pie angles with `d3.pie`, and render slices using `d3.arc` into SVG paths. A tooltip, implemented with HTML overlays, displays the country name and population on hover. Colors are assigned via `d3.scaleOrdinal` with `d3.schemeCategory10`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/eff71d944e0e4b99bd79bb14a5848ebe?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}