Interactive web tool for comparing spherical Earth and flat Earth models using distance calculations, flight paths, map projections, and Qibla direction to the Kaaba.
react navigation mapping cartography leaflet geospatial earth cesium geodesy geography qibla spherical-geometry map-projections great-circle interactive-map 3d-earth azimuthal-projection flight-paths flight-route
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Updated
Mar 6, 2026 - TypeScript