{"version":"1.0","type":"rich","title":"Untitled","description":"This interactive treemap visualization displays hierarchical data using nested rectangles sized by a primary measure, with color encoding based on an optional secondary metric. The chart supports drill-down navigation through clickable parent nodes and shows tooltips on hover. Built with D3 v4, the implementation uses `d3.hierarchy`, `d3.treemap`, and `d3.nest` to transform flat data into a navigable structure, rendering SVG elements with smooth animated transitions between zoom levels.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1dcc19a1b85d43c3b86ca9d95013f0d2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}