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Fork of Fork of V3 Immigrants flow map between countries

✓ Published1🌍 Public
Sserjunfan
Last edited Jun 7, 2021
Created on Jun 2, 2021

This interactive map visualizes immigrant flows between countries in 2020, rendering a natural Earth projection with country boundaries and curved arcs that represent migration volumes using stroke width and color intensity. Users can click any country to filter and highlight its emigration patterns, with selected regions shown in red and corresponding flow paths displayed in blue. The visualization uses React hooks for state management, d3.geoNaturalEarth1 and d3.geoPath for map rendering, d3.forceSimulation with curveBundle for edge bundling of flow paths, and d3.scaleSequential with interpolateBlues to encode migration numbers. Data comes from CSV files containing migration statistics and country coordinates, with zooming enabled via d3.zoom.

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