{"version":"1.0","type":"rich","title":"Fork of Opacity Linear Scale-feb2_2021","description":"This visualization maps New York census tracts, using green opacity to show the white population share: tracts with more white residents appear in more opaque green, while those with fewer remain transparent. The code loads TopoJSON tract boundaries and ACS demographic data via `Promise.all`, then renders SVG paths with `d3.geoPath`. A `d3.scaleLinear` maps population values to `rgba` colors with varying opacity, and `d3.zoom` enables interactive panning and zooming. The data comes from Bostock’s New York census tracts and the American Community Survey API.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/67e0204d971548639425ef6993ec4239?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}