{"version":"1.0","type":"rich","title":"Making a bar chart","description":"A smiling face built from SVG shapes demonstrates D3’s arc generator and chained transition methods. The code draws a yellow circle for the face, two arc paths for closed, winking eyes, and a lower arc for the mouth, all centered within a 960×500 viewport. Using d3.arc with explicit inner and outer radii and start/end angles, the example shows how to construct curved paths without external data. The React starter wraps D3 v5 selections, while commented-out code hints at possible animated eye transitions via .transition().duration().","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3e5a4a6b6050471996eda56ba54eb9af?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}