{"version":"1.0","type":"rich","title":"Line Chart with Multiple Lines","description":"This line chart displays one week of temperature data in degrees Celsius for multiple cities, sourced from Data Canvas - Sense Your City, with each city represented by a colored line over time. The chart uses D3 v5 APIs including `d3.csv`, `d3.scaleTime`, `d3.scaleLinear`, `d3.scaleOrdinal` with `schemeCategory10`, `d3.line` with `curveBasis`, `d3.nest`, and `d3.axisLeft`/`d3.axisBottom` to render axes with gridlines. The SVG rendering includes a title, axis labels, and semi-transparent overlapping lines via `mix-blend-mode: multiply`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/f299f75ac91e4a4bb33c4a9f244f7ba9?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}