{"version":"1.0","type":"rich","title":"Multiline chart with interaction","description":"This multiline chart displays annual changes in forest area for South American countries from 1990 to 2015, with each country represented by a colored line. The visualization uses d3.nest to group data by country and d3.scaleOrdinal with d3.schemeCategory10 for color assignment. Hovering over any line triggers a yellow tooltip via d3.event listeners, showing the entity name. The chart is rendered as SVG using d3.line, d3.scaleTime, and d3.scaleLinear, with data loaded from a CSV via d3.csv.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f7957e70de164d0ea241c7c6a1fba1f9?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}