{"version":"1.0","type":"rich","title":"Area chart - Activity 7","description":"This example uses D3 v6 to visualize total energy consumption by electric vehicle model. It loads CSV data from a GitHub repository, aggregates energy values per vehicle model with `d3.rollups`, and renders an area chart using `d3.area()`, `d3.scaleBand()`, and `d3.scaleLinear()`. The SVG output includes rotated x-axis labels, a y-axis title, and value labels above each point.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/fb3e2e963aa0461abc3eb9795e17bdba?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}