{"version":"1.0","type":"rich","title":"Blank Canvas","description":"A blank SVG canvas fills the browser viewport. The visualization draws a single rounded rectangle that covers the entire display area, using the body’s client dimensions for sizing. The code imports `select` from the D3 library (version 5.9.2) and applies `.attr` and `.append` methods to create the SVG rectangle, with no data or additional marks rendered.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/dd217f3f0fb54bb1b63acd6440455f1a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}