Add elevation data to a GPX route file
Fill in missing or inaccurate elevation values in a recorded GPX track by looking up each point's real elevation directly, in bulk.
Fill in missing or inaccurate elevation values in a recorded GPX track by looking up each point's real elevation directly, in bulk.
Sum the upward changes between consecutive points along a route to get one elevation gain figure straight from raw latitude and longitude data.
Send a list of points along a route and get the elevation at each one back in a single request, ready to chart without further lookups.