{"version":"1.0","type":"rich","title":"Map Data Sources - Alternating CSVs - Load on Demand","description":"This interactive map displays two datasets of points—customers and employees—on a world map, with buttons to switch between them. Using a Mercator projection and D3 v4, circles are drawn from longitude/latitude pairs loaded on demand from CSV files. When the user clicks a button, the visualization updates: existing points transition to their new positions, new points fade in, and removed points shrink away, with stroke color changing from steel blue (customers) to red (employees). The map background is a land topology with white country boundaries, rendered as SVG with animated transitions.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-c86709dba0dea04fe6a54739a9e00a23?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}