{"version":"1.0","type":"rich","title":"Iris Scatter Plot","description":"This visualization displays monthly出入境 (immigration and emigration) passenger totals across 29 Taiwanese airports and harbors from 2015 onward, using a multi-line chart. Users toggle individual locations via checkboxes to add or remove their corresponding time-series lines, while a shared y-axis scales dynamically to the selected data range. The chart is built with D3 v5, using `d3.scaleTime` and `d3.line` for path generation, `d3.axisBottom` and `d3.axisLeft` for axes, and SVG rendering.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/7d61147da686435cad331b027ca56110?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}