Urban microclimate simulator for Italy: Meeus/SPA solar engine, real shadows cast by OpenStreetMap buildings, live climate data and a star-based Comfort Rate. Vanilla JS, no build step.
astronomy openstreetmap leaflet geospatial vanilla-javascript overpass-api energy-efficiency italy shadows microclimate es-modules no-build open-meteo solar-position
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Updated
Aug 29, 2026 - JavaScript