{"version":"1.0","type":"rich","title":"Melting Data for Multiple Lines","description":"This visualization displays population trends over time for global regions, using multiple colored lines to represent each region’s population from 1950 to 2100. The chart leverages d3’s `scaleTime`, `scaleLinear`, `axisBottom`, and `axisLeft` to render axes, while `line` with `curveBasis` draws smooth paths. Data is melted from UN population estimates, combining historical and projected figures. A `colorLegend` highlights region names, with lines sorted by their final population value.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/4a28b906aae44daeb769fc38e7461977?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}