{"version":"1.0","type":"rich","title":"A7 - Heatmap","description":"This heatmap visualizes the trend of smoking population percentages across five countries (China, India, Pakistan, Sri Lanka, and the World) over time. Each cell represents a country-year combination, with color intensity mapped from white to red using a linear scale to indicate the percentage of smokers. The visualization includes a color legend titled \"Smoking Population %\" and provides interactive tooltips on hover, displaying the country, year, and exact percentage. The chart uses D3.js with SVG rendering, featuring labeled axes for year and country, and a smooth color gradient to highlight variations in smoking prevalence across the dataset.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/c35bb1467c204a3eb3044cc01cda9703?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}