{"version":"1.0","type":"rich","title":"Line Chart with Multiple Lines","description":"A multi-line chart displays one week of temperature data in Celsius for cities worldwide, sourced from Data Canvas – Sense Your City. Each line represents a city, colored via a categorical scale, with a legend and axes labeled for time and temperature. Built with D3 v5, the code uses `d3.csv`, `scaleTime`, `scaleLinear`, `scaleOrdinal`, `axisBottom`, `axisLeft`, `line` with `curveBasis`, and `nest` to group by city. The SVG rendering includes gridlines, a title, and smooth curved paths.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/7e5d7e2dda48415ca88c9a3820b1d79a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}