{"version":"1.0","type":"rich","title":"3 dec lesson","description":"This example presents a minimal page titled “Spatial data – 3 dec 2021,” introducing spatial data concepts through a single heading and a blue introductory paragraph. It uses D3 v7’s `d3.select` to append text to the page, styled with Google Fonts “Roboto Slab” and “Roboto” via CSS. The code demonstrates basic DOM manipulation with D3 and a static HTML structure, serving as a starting point for spatial data visualization without any maps or interactive elements.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f8fe098a5b304e0b852a25c97cf9c9a7?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}