{"version":"1.0","type":"rich","title":"Chart 4","description":"A heat map visualizes COVID-19 confirmed cases and agricultural yield across months. Using d3.csv, it loads data from a GitHub gist and renders SVG rectangles with d3.scaleBand for axes and d3.scaleSequential with the interpolateInferno color scheme. The chart includes month and category axes via d3.axisBottom and d3.axisLeft, plus a custom legend showing high, intermediate, and low values.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/853a2f82e4434d57ad81000e70969e50?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}