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Flatten SF
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- 1Flatten SF maps walking routes that avoid San Francisco's hills●Flatten SF calcula en el navegador rutas que equilibran distancia y desnivel, combinando lidar de un metro del USGS con
Flatten SF is a new browser tool that calculates routes across San Francisco by balancing distance against elevation gain. It combines one-metre-resolution lidar elevation data from the USGS with the Overture street network graph to suggest paths that spare pedestrians the city's famously steep climbs. The project is drawing attention among developers and urbanists as a practical example of open geodata put to everyday use.