{"version":"1.0","type":"rich","title":"Melting Data for Multiple Lines with D3.js!","description":"This visualization shows population projections from 1950 to 2100 for multiple world regions, with each region represented as a colored line. The chart uses D3.js 5.16 within a React framework, loading data from UN population estimate CSV files via `d3.csv`. The code demonstrates data “melting” from wide to long format, then uses `d3.line`, `d3.scaleTime`, `d3.scaleLinear`, and `d3.scaleOrdinal` with a category-10 color scheme. Axes, legends, and labels are drawn in SVG, with a custom color legend component and styling via CSS.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/387bd6a4e5d8422187420c63138ce27c?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}