{"version":"1.0","type":"rich","title":"Leaflet with D3 popups","description":"A Leaflet map responds to user clicks by opening a D3-generated popup at the clicked location. The popup contains a 10×10 grid of colored rectangles, using a linear color scale from yellow to steelblue. The example integrates D3 4.13 for SVG creation and Leaflet 1.3.1 for map and popup management, setting the popup content via `setContent` with a D3-created DOM node.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-266edd7be65c59cd98c9cfaef9ccaba5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}