A browser app finds routes that trade distance for less climbing in San Francisco

flattensf.com Editor score 6/10

The app computes routes over 160,000 street segments using lidar elevation and OpenStreetMap data, with a slider for trading distance against climbing. It is a useful example of substantial route computation and data working in the browser.

What: Flatten SF is a browser app that finds walking and biking routes trading distance against climbing.
How: It computes routes over 160,000 street segments using USGS 1 m lidar elevation and the Overture / OpenStreetMap street graph.
Why it matters: The trade-off slider exposes routes that are not beaten on both distance and climbing, helping engineers reason about multi-objective routing.

The browser computes routes using elevation and street-graph data. Sketched from the article's own text.

Read on flattensf.com → Hacker News · 61 comments

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