{"version":"1.0","type":"rich","title":"World Countries Tree - Incomplete","description":"This visualization displays an empty, rounded SVG canvas that fills the browser viewport. The code sets the SVG dimensions to match the document body’s client width and height, then appends a rectangle with a 40-pixel corner radius as the background. Built with D3 v6, the example uses `select` to target the SVG element and dynamically sizes the scene, but no data or chart elements are rendered yet—only the prepared blank slate.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/088914e973d540c1a462fd57b7614d2a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}