{"version":"1.0","type":"rich","title":"Danil Selecting a Year on Line Chart","description":"This line chart shows population trends over time for global regions, with a vertical black line marking the currently selected year and circles highlighting data points at that year. Users can hover over the chart to update the selected year, which re-renders the visualization using D3’s scaleTime, scaleLinear, line generator with curveBasis, and an axis with custom tick formatting. Data comes from UN population estimates (1950–2014) combined with medium-variant projections (2015–2100), processed via nest() and loaded through csv(). The SVG includes a color legend and styled grid lines.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0b283dad01a7414ab7a15468c8c2a401?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}