{"version":"1.0","type":"rich","title":"A7_HeatMap","description":"This heat map visualizes GDP per capita for eight countries across the years 2017–2021. It uses a sequential color scale with the `d3.interpolateTurbo` interpolator, mapping GDP values to colored cells within a banded grid. The chart is rendered as an SVG using D3 v7, with axes for location and year, a horizontal legend, and tooltips that display the exact GDP value on hover. Data is loaded from a remote CSV file via `d3.csv`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/78d8f6ef8a02474eb1bd692121701b66?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}