{"version":"1.0","type":"rich","title":"Face visualization with D3","description":"This example builds a smiling face using D3 v5, rendered as an animated SVG. It constructs the head, eyes, eyebrows, and mouth from primitive shapes, with the eyebrows performing a looping vertical bounce via chained `transition` calls. The code uses D3’s `select` and `arc` APIs directly, setting shape attributes like `r`, `cx`, and `cy` to position elements relative to the SVG’s center. The face’s layout is defined by constants for eye spacing and offsets, demonstrating a simple, reusable composition pattern.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e03b1edc148c4b07b8b06c5ceddef625?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}