{"version":"1.0","type":"rich","title":"D3 Selections","description":"A set of circles animates vertically in a sine wave pattern, changing count over time to demonstrate D3 data joins. The code uses `select` and `data` to bind an array of objects with `x`, `y`, and `r` properties to SVG circles, then applies the `join('circle')` pattern to handle entering and exiting elements. Animation runs via `setInterval` at 60 frames per second, with `makeData` generating positions based on `Math.sin` and a time parameter. The visualization highlights the decoupling of data generation from rendering through a reusable `vizData` function.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/ce06cc8b68734dc19808fd13b7e2cccb?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}